Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Date:
Year between: and
Patentee starting with:
City:
State:
Assigned To starting with:
Description containing:
Category:
Class:    Subclass:
Click Search when complete:
SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type ORDER BY last_name ASC, first_name, date, patent, type

Total of 3161 patents found where:

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S Patent Date Description Patentee Category Assigned To
T No text available 9,720 October 10, 1882 Trademark
Trademark of barrel shaped tobacco jar
HU  
  
T No text available 39,727 February 3, 1903 Trademark
Trademark for ""GLOBE""
 
HI  
T No text available 78,096 May 31, 1910 Trademark
Trademark for ""HEMINGRAY""
 
HI  
T No text available 285,930 May 26, 1931 Trademark
Trademark for HB Trademark (serial 312,912)
 
HI  
T No text available 370,320 August 22, 1939 Trademark
Lowex Trademark
 
OI  
T No text available 384,993 February 11, 1941 Trademark
Duraglass trademark
 
OI  
T No text available 622,885 March 13, 1956 Trademark
OI modern logo trademark
 
OI  
 ABRAMS, Mary I.
U 779,402 January 10, 1905 Glass Base for Furniture
Glass insulator for furniture legs
ABRAMS, Mary I.
Piano  
 ACLY, Harry M.
U 824,055 June 19, 1906 Insulator
Crossover
ACLY, Harry M.
Crossover Stanley Electric Mfg. Co.
 ADAM, Carl F.
U 575,090 January 12, 1897 Cleat
Cleat with ridges to hold wire in grooves
ADAM, Carl F.
Cleat  
 ADAMS, Basil R. S.
U 2,228,804 January 14, 1941 Insulator Pin
Pin made of Bakelite and nailed underneath the crossarm
ADAMS, Basil R. S.
Pin  
 ADAMS, Harry E.
U 1,194,690 August 15, 1916 Telephone and Telegraph Pole Construction
Bracket and pin supports made of metal and attached to crossarm whereby the pins slide on the bracket for adjustment of position
ADAMS, Harry E.
Pin/bracket  
 ADAMS, Lawson
U 193,469 July 24, 1877 Improvement in Lightning Rods
Lightning rod composed of water pipes running from the gutters to a water tank buried in the ground (see reissue 7,939)
ADAMS, Lawson
Lightning Rod  
R 7,939 November 6, 1877 Improvement in Lightning Rods
Lightning rod composed of water pipes running from the gutters to a water tank buried in the ground (see 193,469)
ADAMS, Lawson
Lightning Rod  
U 213,367 March 18, 1879 Improvement in Lightning Rods
Lightning rod that passes through a copper tank filled with water and buried in the ground
ADAMS, Lawson
Lightning Rod  
 ADAMS, Thomas E.
U 390,741 October 9, 1888 Insulator or Bracket Support for Electric Wires
miscellaneous odd pin type with curved pinhole
ADAMS, Thomas E.
Miscellaneous  
 AFFEL, Herman A.
GREEN, Estill I.
U 1,687,535 October 16, 1928 Reduction of Losses in Insulators, Pins, and Cross Arms
Carrier circuit insulator with specific diameter/pin ratio
AFFEL, Herman A.
GREEN, Estill I.
Carrier American Telephone & Telegraph Co.
 ALBANESE, Giuseppe Sacco
U 465,961 December 29, 1891 Insulator
Wireholder (G.S.A.) (see Electrical Engineer 1-20-1892)
ALBANESE, Giuseppe Sacco
Wireholder  
 ALLEN, John S.
U 705,811 July 29, 1902 Insulating Support for Metallic Circuits
Stacked multiple insulators to support wire
ALLEN, John S.
Stack  
 ALLEN, John Scott
U 904,592 November 24, 1908 Electrical Conductor Support
Multipart insulator attached on top to a bracket and has hook pin screwed in pinhole to hang line wire below
ALLEN, John Scott
Multipart  
 ALLEY, Cassius
U 660,140 October 23, 1900 Insulator
Clamp type ribbed cylindrical 2-piece
ALLEY, Cassius
Clamp Type 1/3 to C. Miller & H. Wagner
 ALLMAN, Orin H.
BRUMM, Carl E.
PITHER, Leslie F.
U 3,224,857 December 21, 1965 Apparatus for Homogenzing Molten Glass in a Forehearth
Method of stirring colorants into glass batch
ALLMAN, Orin H.
BRUMM, Carl E.
PITHER, Leslie F.
OI Owens-Illinois Glass Co.
 ALSBERG, Julius
U 1,006,040 October 17, 1911 Insulator
Suspension using multiple parts connected with a cable
ALSBERG, Julius
Suspension  
U 1,006,041 October 17, 1911 Insulator
Suspension using multiple parts connected with a cable
ALSBERG, Julius
Suspension  
U 1,006,042 October 17, 1911 Insulator
Suspension using multiple parts connected with a cable
ALSBERG, Julius
Suspension  
U 1,015,224 January 16, 1912 Insulator
Suspension insulator of insulating rope, hoods, and arcing rods. [This looks very close to the handful of glass suspension insulators found in 2002 in northern CA by Paul Greaves and Mike Spadafora. The glass was most probably made by Hemingray. No markings were found.]
ALSBERG, Julius
Suspension  
U 1,038,473 September 10, 1912 Insulator
Suspension insulator of insulating rope and hoods
ALSBERG, Julius
Suspension  
 ALVERSON, Lewis
U 1,222,255 April 10, 1917 Standard Fence Stay Anchor Rod and Lightning Rod
Lightning rod for barbed wire fence
ALVERSON, Lewis
Lightning Rod Fence  
 AMBRUSTER, Cornelius
U 1,146,298 July 13, 1915 Insulating Support for Storage Batteries
CD 35, CD 36; Battery insulator with a lead cup sitting on an earthenware pedestal cup (see 1,181,362)
AMBRUSTER, Cornelius
Battery  
U 1,181,362 May 2, 1916 Insulating Support for Storage Batteries
Battery insulator support cup made of earthenware (see 1,146,298)
AMBRUSTER, Cornelius
Battery  
 AMIDON, Joseph C.
QUAYLE, Jackson C.
U 3,474,995 October 28, 1969 Utility Pole Insulator Bracket Extension
Metal bracket or extension to support insulators, fuses, etc. when no crossarms are present.
AMIDON, Joseph C.
QUAYLE, Jackson C.
Miscellaneous  
 AMOS, Frank M.
U Specimen known 1,311,483 July 29, 1919 Insulator
nail-knob, cap has radial ridges flush with rim of cap and base has ribbed grooves.
AMOS, Frank M.
Knob Wheeling Tile Co.
U 1,335,634 March 30, 1920 Insulator
Knob
AMOS, Frank M.
Knob Wheeling Tile Co.
U 1,376,307 April 26, 1921 Insulator
Knob
AMOS, Frank M.
Knob Wheeling Tile Co.
 ANDEREGG, Frederick O.
U 2,114,732 April 19, 1938 Building Block
Blocks with corrugated edges
ANDEREGG, Frederick O.
OI Owens-Illinois Glass Co.
 ANDERSEN, Johan M.
U Specimen known 522,175 June 26, 1894 Insulator
Self-tying with metal cap screws down on two metal ears to hold wire
ANDERSEN, Johan M.
Self-tying Miscellaneous 1/2 to Albert Anderson
 ANDERSEN, Johan M.
ANDERSEN, Albert
U 675,615 June 4, 1901 Insulator
Third rail insulator with iron mounting bracket and cap to support the rail
ANDERSEN, Johan M.
ANDERSEN, Albert
Third Rail  
 ANDERSON, Albert
U 595,089 December 7, 1897 Third Rail Insulator
Third rail insulator with metal protective covering.
ANDERSON, Albert
Third Rail 1/2 to Johan M. Anderson
U Specimen known 869,403 October 29, 1907 Strain Insulator
Strain insulator made of a ball with two loop connectors
ANDERSON, Albert
Strain Albert & J M Anderson Mfg. Co
U Specimen known 869,404 October 29, 1907 Strain Insulator
Strain insulator made of a ball with two loop connectors
ANDERSON, Albert
Strain Albert & J M Anderson Mfg. Co
 ANDERSON, John P. A.
U 951,411 March 8, 1910 Lightning Protector for Buildings
Lightning rod system using a hollow metal crest with multiple points and connected to gutters
ANDERSON, John P. A.
Lightning Rod Crest  
 ANDERSON, Lee
U 600,397 March 8, 1898 Arm for Telegraph Poles
Crossarm for multiple pins
ANDERSON, Lee
Crossarm 1/2 to Wallace B. Howard and Alex Staggs
 ANDERSON, Milton E.
U 992,397 May 16, 1911 Insulator
Self-tying screw top
ANDERSON, Milton E.
Self-tying Screw Top  
 ANDREWS, William S.
U 466,391 January 5, 1892 Insulator
Cylinder of wood used for trolley wire hanger
ANDREWS, William S.
Wood The Edison General Electric Co.
 ANDREWS, William S.
BALL, Henry Price
U 470,417 March 8, 1892 Insulator for Trolley Wires
Cylinder of wood used for trolley wire hanger
ANDREWS, William S.
BALL, Henry Price
Wood The Edison General Electric Co.
 ANHOLT, Harry M.
U 2,352,756 July 4, 1944 Ash Tray
Ash tray
ANHOLT, Harry M.
"HU, OU"  
 ANSINGH, Herman K.
U 1,602,873 October 12, 1926 Support for Electrical Fixtures
Bus bar support for top of insulator
ANSINGH, Herman K.
Bus Bar Westinghouse Electric & Mfg. Co.
 ARNDT, John P.
U 1,586,642 June 1, 1926 Insulator Pin
Steel pin and bracket combination stamped out of sheet metal and bolted around the crossarm
ARNDT, John P.
Pin  
 ARNDT, John Philip
U 1,670,429 May 22, 1928 Pin for Insulators
Steel pin and bracket combination stamped out of sheet metal and bolted around the crossarm
ARNDT, John Philip
Pin  
 ARNOLD, Andrew H.
U 308,818 December 2, 1884 Brace for Telegraph and Telephone Lines
Brace to keep multiple lines separated during high wind.
ARNOLD, Andrew H.
Support  
 ARNOLD, Edwin E.
U 1,958,880 May 15, 1934 Suspension Insulator
Suspension insulator cap and pin design to reduce stress (see 1,822,485)
ARNOLD, Edwin E.
Suspension Westinghouse Electric & Mfg. Co.
 ARTHUR, Walter A.
U 865,473 September 10, 1907 Break Arm for Electric Wiring
Adjustable steel bracket for pintype insulators for crossarms, buildings, etc.
ARTHUR, Walter A.
Bracket  
 ASHBY, George
U 588,048 August 10, 1897 Insulator for Wires
Knob with grooves and bracket
ASHBY, George
Knob  
 ASHEN, Peter
U 396,847 January 29, 1889 Wire Hook
Insulated hook with four prongs to wrap line wire around
ASHEN, Peter
Hook Sylvester Y. L'Hommedieu & Co.
 ASHLEY, John B.
U Specimen known 964,737 July 19, 1910 Insulated Distributor for Electric Service Wires
Wireholder for multiple drop wires suspended under the crossarm
ASHLEY, John B.
Wireholder  
 ASHWORTH, Daniel
D 6,385 February 11, 1873 Design for a Lamp
Design for corn pattern oil lamp
ASHWORTH, Daniel
HU  
 ASP, Knoch
U 1,858,873 May 17, 1932 Wire Support for Insulators
Tie wire using complicate preformed tie wire
ASP, Knoch
Tie Wire  
 AUER, Betty
U 2,699,628 January 18, 1955 Caster Cup
Molded top supporting plate supported by resilent material
AUER, Betty
Piano  
 AUSTIN, Arthur O.
U Specimen known 947,274 January 25, 1910 Suspension Device for Insulators
Suspension with ball and socket coupling
AUSTIN, Arthur O.
Suspension The Akron Hi-Potential Porcelain Co.
U 951,298 March 8, 1910 Suspension Clamp
Clamp to secure cable to suspenion insulators
AUSTIN, Arthur O.
Suspension Akron Hi-Potential Porcelain Co.
U 1,010,011 November 28, 1911 Sectional Insulator
Multipart insulator to support high tension conductors in substation
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
D Specimen known 46,014 June 30, 1914 Design for an Insulator
Strain
AUSTIN, Arthur O.
Strain  
D 47,208 April 13, 1915 Design for an Insulator
Suspension insulator
AUSTIN, Arthur O.
Suspension  
U Specimen known 1,233,296 July 17, 1917 High Tension Insulator
Suspension disk with petticoats and metal cap with projecting flange
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,242,907 October 16, 1917 Insulator
Suspension cap and pin to improve strength of connection
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,281,268 October 15, 1918 Insulator
Suspension cap and pin to improve strength of connection
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U Specimen known 1,284,974 November 19, 1918 Strain Insulator
Strain, guy insulator attachment
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U Specimen known 1,284,975 November 19, 1918 Sanded Insulator and Method of Making Same
Multipart and suspension sanded joints (see 1,536,749)
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U Specimen known 1,284,976 November 19, 1918 Insulator
Multipart and suspension cemented metal part designs
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U 1,291,713 January 21, 1919 Separable Part Insulator
Multipart (& suspension) with cemented, threaded metal shells screwed together
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
D Specimen known 56,262 September 14, 1920 Design for an Insulator
Strain
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U Specimen known 1,360,352 November 30, 1920 Insulator
Suspension sanded under cap and pin to improve cement adhesion
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
D Specimen known 59,947 December 13, 1921 Design for an Insulator
Strain
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U Specimen known 1,431,137 October 3, 1922 Joint for Articles of Ceramic and Similar Materials and Method of Producing Same
Multipart joined by sand, glaze-welding and/or differential shrinkage
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U 1,456,960 May 29, 1923 Joint for Articles of Ceramic and Similar Materials and Method of Producing Same
Multipart joined by sand, glaze-welding and/or differential shrinkage
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U 1,477,800 December 18, 1923 Connecting Joint
Cementing procedure using elastic and sanded cement joint
AUSTIN, Arthur O.
Cement The Ohio Brass Co.
U 1,481,080 January 15, 1924 Insulator
Antenna or guy strain insulator consisting of a bar of porcelain with longitudinal ribs and metal caps on the ends
AUSTIN, Arthur O.
Antenna The Ohio Brass Co.
U 1,484,051 February 19, 1924 Insulator
Cylindrical H-T ins, inner section to receive strain if outer is broken
AUSTIN, Arthur O.
Cylinder The Ohio Brass Co.
U 1,489,689 April 8, 1924 Insulator
Suspension with ribbed pin and cap for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,489,690 April 8, 1924 Insulator and Method of Assembling the Same
Suspension with sanded joints & soft coating for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,489,809 April 8, 1924 Insulator
Suspension with ribbed sheet metal in pin and cap for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,490,080 April 15, 1924 Insulator
Suspension with ribbed pin and cap & notched cap for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,497,318 June 10, 1924 Cover for Strain Insulators
Cover for a guy strain insulator to keep it dry
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U 1,497,319 June 10, 1924 Insulator
Improved construction of a high tension strain insulator for long spans
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U 1,509,279 September 23, 1924 Strain Insulator
Strain for guy wires using special connecting hardware
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U 1,516,585 November 25, 1924 Insulator
Cylindrical strain insulator with ribs and metal caps on the ends
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
U 1,521,743 January 6, 1925 Insulator
Suspension arcing horn system and insulator (see 1,552,664 and 1,783,271)
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,536,749 May 5, 1925 Insulator
Multipart (RFI) with sanded, metal coated groove & cement (see 1,284,975)
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
U 1,543,313 June 23, 1925 Insulator
Suspension metal pin and cementing technique
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,552,663 September 8, 1925 Insulator Cap
Metal cap for suspension insulator disks
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U Specimen known 1,552,664 September 8, 1925 Insulator
Suspension arcing horn insulator (see 1,521,743 and 1,783,271)
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,569,251 January 12, 1926 Method of Preparing Clay or Body Composition for Ceramic Articles
Method of preparing plastic clay without the use of filter presses by mixing dry ingredients with water, filtering, and evaporation of water with heat and vacuum before sending to the pug mill
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,589,617 June 22, 1926 Process for Preparing Material for Ceramic Articles
Vacuum pugging after mixing dry ingredients with exact percent water needed
AUSTIN, Arthur O.
Vacuum The Ohio Brass Co.
U 1,609,598 December 7, 1926 Process of Assembling Insulator Parts
Cementing method in that the cement is cured in a bath of heated water
AUSTIN, Arthur O.
Cement The Ohio Brass Co.
U 1,611,871 December 28, 1926 High Tension Installation
Use of flux control insulators and arcing horns on transmission lines
AUSTIN, Arthur O.
Transmission The Ohio Brass Co.
 AUSTIN, Arthur O.
MACLEOD, Donald Keith
U 1,625,514 April 19, 1927 Apparatus for Forming Plastic Materials
Improved press to form insulator shape from wet process clay and cut in threaded pinhole
AUSTIN, Arthur O.
MACLEOD, Donald Keith
Press The Ohio Brass co.
 AUSTIN, Arthur O.
U 1,657,340 January 24, 1928 Insulator Pin
Steel pin with base support on crossarm
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,657,341 January 24, 1928 Insulator Pin
Steel pin with base support on crossarm
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,659,183 February 14, 1928 Insulator
Suspension with metal flanges to balance electrical field
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,663,329 March 20, 1928 Forming and Tapping Machine
Machine to form threads in plastic clay bodies
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,679,345 August 7, 1928 Method and Apparatus for Casting Ceramic Pieces
Manufacturing method of casting bushings with a hollow core
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,682,590 August 28, 1928 Insulator Pin and Process of Manufacturing the Same
Method of making a pin with a threaded lead head
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,685,663 September 25, 1928 Insulated Perch for Preventing Bird Trouble in Connection with Electrical Transmission Lines
Arrangement of a pintype insulator and specially designed conductor above a suspension string to discourage birds from sitting above suspension string
AUSTIN, Arthur O.
Miscellaneous The Ohio Brass Co.
U 1,685,833 October 2, 1928 Process of Manufacturing Insulator Pins
Manufacturing method to make steel pins for wooden crossarms
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,685,834 October 2, 1928 Process of Manufacturing Insulator Pins
Manufacturing method to make steel pins for wooden crossarms
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,690,392 November 6, 1928 Insulator Pin
Steel insulator pin
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,691,330 November 13, 1928 Insulator
Suspension string with flange attachment to balance electric field
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,693,429 November 27, 1928 Method of Casting
Manufacturing method to cast bushings with a hollow core
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,702,236 February 12, 1929 High Tension Insulator Construction
Suspension disk with ""capacity gland"" to prevent electrical streamers and provide a balanced electrical field
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,702,237 February 12, 1929 Process of Manufacturing Insulator Pins
Easily manufactured steel pin
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,735,560 November 12, 1929 Insulator for Withstanding Fog Conditions
Multipart porcelain insulator with heating elements embedded in the surface to keep surface of insulator dry during fog
AUSTIN, Arthur O.
Fog Type The Ohio Brass Co.
U 1,735,829 November 12, 1929 Means and Method for Controlling Surface Resistance of Insulators
RFI coating on suspension insulators with graded or reduced thickness away from the center of the disk
AUSTIN, Arthur O.
RFI The Ohio Brass Co.
U 1,737,749 December 3, 1929 Insulator
Suspension with reinforcing band around cap and ribbed pin
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,740,641 December 24, 1929 Pole Top Pin for Multiple Construction
Steel bracket for pole top that supports insulator pin on side of pole when conductor is under stress
AUSTIN, Arthur O.
Bracket The Ohio Brass Co.
U 1,750,699 March 18, 1930 Process and Apparatus for Testing Insulators
Apparatus to run a high voltage test on insulators (see 1,796,427)
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,750,769 March 18, 1930 Insulator Pin
Steel pin with rolled threads and support on top of crossarm
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,750,770 March 18, 1930 Insulator Pin
Steel pin with supporting base that fits over top and edge of wooden crossarm
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,783,271 December 2, 1930 High Potential Installation
Use of flux control arcing horns (see 1,552,664) to control flashover on towers using strings of suspension disks (see 1,783,272)
AUSTIN, Arthur O.
Transmission The Ohio Brass Co.
U 1,783,272 December 2, 1930 Support for Transmission Lines
Orientation of tower supporting transmission line using flux control arcing harms (see 1,783,271)
AUSTIN, Arthur O.
Transmission The Ohio Brass Co.
U 1,796,427 March 17, 1931 Process and Apparatus for Testing Insulators
Apparatus to run a high voltage test on insulators (see 1,750,699 and 1,796,427)
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,796,429 March 17, 1931 Apparatus for Testing Insulators
Apparatus to run a high voltage test on insulators (see 1,796,427)
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,823,676 September 15, 1931 Insulator with Nested Parts
Multipart insulators with metal cap in cement joint of the outer two joints to add strength to the insulator
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,868,479 July 26, 1932 Compensating Strut Type Insulator
Suspension insulator cap and pin with special rings to aid strength of cement joint
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,876,579 September 13, 1932 Insulator
Iron bus bar support cap cemented to top of an insulator
AUSTIN, Arthur O.
Cap The Ohio Brass Co.
U 1,894,340 January 17, 1933 Insulator Pin
Pin with soft metal threads
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,937,184 November 28, 1933 Jigger
Jiggering machine using centrifugal force to cut out the interior of bushings
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,937,620 December 5, 1933 Insulator
Suspension cap and pin designed to improve and strengthen the cement joint
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,950,646 March 13, 1934 Insulator
Iron cap cemented on the top of an insulator for switch connection
AUSTIN, Arthur O.
Cap The Ohio Brass Co.
U 1,967,654 July 24, 1934 Insulator
Fog type multipart & suspension insulator with porous coating, wire screen for RFI
AUSTIN, Arthur O.
Fog Type The Ohio Brass Co.
U 1,972,614 September 4, 1934 Insulator
Cementing and design technique to improve cement joint in cap and pin suspension and equipment support insulators
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,979,092 October 30, 1934 Insulator
Suspension cap and pin designed with slipping cement joints to improve strength
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,981,717 November 20, 1934 Insulator
Suspension cap and pin designed to improve strength of cement joint
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,983,334 December 4, 1934 Method of Forming Insulator Caps
Manufacturing method to stamp out suspension caps from tubular steel
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 1,994,265 March 12, 1935 Insulator
Suspension cap design to allow for expansion of the cap without breaking off the insulator head
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,994,266 March 12, 1935 Insulator
Suspension cap design to allow for expansion of the cap without breaking off the insulator head
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 2,011,136 August 13, 1935 Protective Apparatus
Arcing gap using flux control insulators
AUSTIN, Arthur O.
Arc Gap The Ohio Brass Co.
U 2,011,137 August 13, 1935 Insulator
Suspension cap with spring rollers to allow slippage of the cap and cement to improve strength
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 2,173,292 September 19, 1939 Insulator
Suspension cap design to allow for expansion of the cap without breaking off the insulator head
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 2,224,853 December 17, 1940 Method of Manufacturing Ceramic of Vitreous Ware
Manufacturing method to improve quality of porcelain during firing
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
U 2,264,428 December 2, 1941 Article of Ceramic of Vitreous Material
Manufacturing method to improve quality of porcelain during firing
AUSTIN, Arthur O.
Manufacturing The Ohio Brass Co.
 AYRE, William G.
SHAW, Frederick L.
U 1,200,294 October 3, 1916 Insulator
Self-tying slot top
AYRE, William G.
SHAW, Frederick L.
Self-tying Slot Top  
 BABCOCK, Clarence L.
U 2,866,298 December 30, 1958 Method of Joining Glass Parts
Sealing halves of TV tubes together with special glass
BABCOCK, Clarence L.
OI Owens-Illinois Glass Co.
 BABINEAU, Oliver D.
U 1,675,589 July 3, 1928 Insulator
Self-tying slot top via separate piece (similar to Ransom patent)
BABINEAU, Oliver D.
Self-tying Slot Top  
 BACON, Elmore C.
U 214,545 April 22, 1879 Improvement in Lightning Rod Couplings
Lightning rod coupling with one tapered end to fit snugly in the other end (see reissue 9,145)
BACON, Elmore C.
Lightning Rod Coupling  
R 9,145 April 13, 1880 Lightning Rod Coupling
Lightning rod coupling with one tapered end to fit snugly in the other end (see 214,545)
BACON, Elmore C.
Lightning Rod Coupling  
 BAEUMLE, John
U 743,672 November 10, 1903 Elastic Piano Support
Piano leg support composed of a metal spring
BAEUMLE, John
Piano  
 BAILEY, Charles De Roy
U 303,483 August 12, 1884 Insulator
Slotted spherical insulator supported by box & screw to hold wire
BAILEY, Charles De Roy
Slotted  
 BAILEY, Elbert T.
U 701,246 May 27, 1902 Insulator Pin and Bracket
Pin and bracket for crossarm
BAILEY, Elbert T.
Pin  
 BAILEY, Thomas
U 1,652,693 December 13, 1927 Cut-Out Insulator
Fuse holder
BAILEY, Thomas
Fuse Holder  
 BAIN, Foree
U Specimen known 443,187 December 23, 1890 Electric Insulator
CD 144, ridges around outside of skirt to break water film
BAIN, Foree
Insulator  
 BAJOHR, Carl
U 693,213 February 11, 1902 Anchor Fastener for Lightning Conductors
Metal clips fitted between bricks in order to secure lightning rod conductor to wall
BAJOHR, Carl
Lightning Rod Clip  
U 799,433 September 12, 1905 Support Fastener for Lightning Conductors
Metal clips fitted in molded concrete or stone in order to secure lightning rod conductor to wall
BAJOHR, Carl
Lightning Rod Clip  
U 963,496 July 5, 1910 Lightning Conductor Point and Point Rod Protector
Means of protection lightning rods and points from oxidation when used on stacks
BAJOHR, Carl
Lightning Rod  
 BAKER, George
U Specimen known 1,014,934 January 16, 1912 Insulator Knob
Knob
BAKER, George
Knob  
 BAKER, Jason
U 1,176,333 March 21, 1916 Insulator Pin
Pin formed of sheet metal fitting around crossarm
BAKER, Jason
Pin  
 BAKER, Melvin F.
U 825,795 July 10, 1906 Insulator
miscellaneous
BAKER, Melvin F.
Miscellaneous  
 BAKER, Robert B.
U 103,122 May 17, 1870 Improvement in Insulators for Telegraphic Wire
Hook with metallic oxide cement to hold hook or pin
BAKER, Robert B.
Hook  
 BALDWIN, Joseph A.
U 298,543 May 13, 1884 Machine for Turning Insulator Pins
Machine to turn wooden insulator pins
BALDWIN, Joseph A.
Pin  
 BALDWIN, L. S.
PARKS, Lucius
U 25,077 August 9, 1859 Improved Construction of Lightning Rods
Lightning rod made of sheet metal formed with spiral-fluted sides
BALDWIN, L. S.
PARKS, Lucius
Lightning Rod L. S. Baldwin
 BALDWIN, Luther C.
THURSTON, John C.
U 297,101 April 22, 1884 Insulator for Telegraph Wires
Pin hole shaped to receive a keyed pin (advertisement eBay 4-2001)
BALDWIN, Luther C.
THURSTON, John C.
Pin  
 BALDWIN, William W.
U 105,625 July 26, 1870 Improvement in Telegraph Insulators
Gutta-percha, paraffin or other insulation separating two metal shells
BALDWIN, William W.
Gutta  
 BALL, Charles E.
U 266,075 October 17, 1882 Lightning Rod Joint or Coupling
Internal coupling for hollow lightning rods that can be pinned to the rod
BALL, Charles E.
Lightning Rod Coupling  
 BALL, Esar-Haddon
U 911,864 February 9, 1909 Porcelain Cleat
Cleat
BALL, Esar-Haddon
Cleat  
 BALL, Henry Price
U Specimen known 458,964 September 1, 1891 Cleat for Electric Wires
Cleat (apparently licensed to General Electric)
BALL, Henry Price
Cleat  
U 461,109 October 13, 1891 Device for Stretching Heavy Wires on Poles
Mechanical device mounted on the crossarm with a roller to aid in stretching wires before they are attached to insulators.
BALL, Henry Price
Wire Stretcher Edison General Electric Co.
U 518,214 April 17, 1894 Ceiling Cleat
Cleat for ceiling - 2 piece
BALL, Henry Price
Cleat  
U 530,498 December 11, 1894 Insulator for Electric Overhead Construction
Strain type ball shaped
BALL, Henry Price
Strain General Electric Co.
U 698,097 April 22, 1902 Electrical Insulator
Bushing and bracket to support conductor cable
BALL, Henry Price
Bushing General Incandescent Light Co.
 BALLIET, Ray
U 1,149,017 August 3, 1915 Insulator
Self-tying via side slot
BALLIET, Ray
Self-tying Miscellaneous  
 BANDFIELD, William E.
U 966,882 August 9, 1910 Attachment of Telegraph and similar Line Wires to Insulators
Tie wire clip
BANDFIELD, William E.
Tie Wire  
 BANKS, William C.
U Specimen known 1,984,245 December 11, 1934 Insulator Support for Power Rails
Third rail insulator with interlocking pin and pinhole and side grooves to secure the rail on top
BANKS, William C.
Third Rail  
U 1,992,284 February 26, 1935 Bracket Insulator
Bracket for split insulator wireholder
BANKS, William C.
Wireholder  
 BARARD, Walter Hubbard
U 775,592 November 22, 1904 Insulating Support for Electric Third Rails
Third rail with two bolts to secure it to the support and a metal cap to secure the rail.
BARARD, Walter Hubbard
Third Rail  
 BARBER, Joseph S.
U 1,096 March 5, 1839 Improvement in the Lightning Rods for Protecting Buildings, Etc. from the Effects of Lightning
Circular metal hat or point with projecting tips around the edge
BARBER, Joseph S.
Lightning Rod Point  
 BARBOUR, Wellington
U 592,505 October 26, 1897 Electrical Insulator
Protective coating of elastic material and wire groove protector
BARBOUR, Wellington
Protective Coat  
 BARCLAY, John C.
U Specimen known 867,901 October 8, 1907 Insulator
CD 110, CD 147 & CD 150 spiral extension above wire groove to facilitate removing or installing the insulator without the need to remove the tie-wire.
BARCLAY, John C.
Insulator  
 BARFOED, Svend
U 1,173,994 February 29, 1916 High Tension Insulator
Suspension with ribbed tubes and interlocking links
BARFOED, Svend
Suspension 2/5 to Otis Gibson
U 1,742,628 January 7, 1930 High Tension Insulator
Fog type suspension & pin-type insulator with external petticoats (see 1,858,611) Patent was owned by Lapp Insulator Co.
BARFOED, Svend
Fog Type  
U 1,858,611 May 17, 1932 High Tension Insulator
Fog type suspension by Lapp (see 1,742,628) Patent was owned by Lapp Insulator Co.
BARFOED, Svend
Fog Type  
 BARNARD, Thomas A.
U 1,520,218 December 23, 1924 Insulator Bracket
Bracket made of stamped metal
BARNARD, Thomas A.
Bracket  
 BARNARD, Thomas H.
TAYLOR, Herbert M.
U 1,523,164 January 13, 1925 Insulator Supporting Bracket
Bracket made of stamped metal
BARNARD, Thomas H.
TAYLOR, Herbert M.
Bracket  
 BARNES, Robert I.
U 2,816,155 December 10, 1957 Insulator Clamp
Tie wire replacement using a preformed adjustable sheet metal loop
BARNES, Robert I.
Tie Wire  
 BARNITZ, Richard W.
U 2,323,967 July 13, 1943 Thimble Equipped Insulator
Malleable metal thimble cemented in the pinhole with a flange to cover the cement
BARNITZ, Richard W.
Thimble Porcelain Products, Inc.
 BARR, Carl A.
KOREN, Jerome H.
U 1,056,392 March 18, 1913 Insulator
Bushing
BARR, Carl A.
KOREN, Jerome H.
Bushing  
 BARRATT, John A.
U 392,775 November 13, 1888 Electric Circuit
Criss-crossing of overhead telephone wire to prevent crosstalk between parallel lines
BARRATT, John A.
Telephone The American Telephone & Telegraph Co.
 BARRINGER, Lawrence E.
U 1,009,630 November 21, 1911 Insulating Compound
Insulator composition made of asbestos, flint, and calcium hydrate.
BARRINGER, Lawrence E.
  General Electric Co.
 BARROW, George M.
U 1,824,766 September 29, 1931 Insulator
Thread insert of dry process porcelain, split & secured by glazewelding
BARROW, George M.
Thread Westinghouse Electric & Mfg. Co.
U 1,824,767 September 29, 1931 Insulator Connector
Metal linkage for link-type suspension insulators similar to Hewlett or pork liver
BARROW, George M.
Suspension Westinghouse Electric & Mfg. Co.
U 1,872,557 August 16, 1932 Article of Manufacture
RFI metal coating around the crown of an insulator so the tie-wire and conductor can be soldered to the coating
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
 BARRY, Charles E.
U 717,322 December 30, 1902 Insulator for High Potential Lines
Metal clad suspenion insulator.
BARRY, Charles E.
Suspension General Electric Co.
 BARTELS, William H.
U 189,682 April 17, 1877 Improvement in Oil Cans
Glass lined oil can (see reissue 8,600 on 2-25-1879)
BARTELS, William H.
HU 1/2 to George T. Hunsaker
U 193,212 July 17, 1877 Improvement in Oil Cans
Glass lined oil can
BARTELS, William H.
HU 1/2 to Waldo R. Eaton
R 8,600 February 25, 1879 Improvement in Oil cans
Glass lined oil can (reissue of 189,682)
BARTELS, William H.
HI Hemingray Glass Co.
 BARTLETT, Harry
MACCALLUM, Alexander P.
U 937,140 October 19, 1909 Non-detachable Insulator
Pin permanently fixed to the insulator via slotted pinhole
BARTLETT, Harry
MACCALLUM, Alexander P.
Pin  
 BARTLETT, Jonathan B. L.
U 494,286 March 28, 1893 Apparatus for Protecting Buildings from Lightning
System replaces lightning rods by using batteries to put a charge on wires run along the edges of the roof to prevent a lightning strike
BARTLETT, Jonathan B. L.
Lightning Rod  
 BARTLEY, Samuel
BARTLEY, William O.
U 826,916 July 24, 1906 Insulator
Clamp type
BARTLEY, Samuel
BARTLEY, William O.
Clamp Type  
U 915,406 March 16, 1909 Insulator
Clamp type
BARTLEY, Samuel
BARTLEY, William O.
Clamp Type  
 BASS, Duncan M.
U 869,873 November 5, 1907 Insulator
Odd cylindrical insulator mounted vertically in a slitted bracket
BASS, Duncan M.
Miscellaneous  
 BATCHELDER, John M.
U Specimen known 8,418 October 14, 1851 Improvement in Insulators for Telegraph Wires
Metal or cast iron insulator with cupped dry area at bottom. Glass poured in with a conductor supporting iron rod embedded in the glass, and the cupped is coated or lined with glass, porcelain, or enamel. The bottom skirt is slanted inward 45 degrees to prevent water from splashing up inside wetting the interior surface. This feature was utilized in U-983 and U-984 made by the U. S. Pottery Co. in Bennington, VT.
BATCHELDER, John M.
Metal  
 BAUER, John E.
U 2,115,513 April 26, 1938 Wall Construction
Blocks with sanded edges
BAUER, John E.
OI Owens-Illinois Glass Co.
U 2,170,602 August 22, 1939 Method of Producing Glass Building Blocks
Bonding agent applied to mortar bearing block sides
BAUER, John E.
OI Owens-Illinois Glass Co.
 BAUM, Frank G.
U Specimen known 838,163 December 11, 1906 High Tension Insulator
Multipart with multiple petticoats under skirts (M-4325C, M-4415, M-4600) (see ID 5166)
BAUM, Frank G.
Insulator  
U 1,728,522 September 17, 1929 Insulator for High Voltage Systems
Suspension disk with strips of high resistance conductive material embedded in the upper surface to produce a uniform distribution of voltage across each disk in a string
BAUM, Frank G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,768,948 July 1, 1930 High Voltage Insulator
Suspension insulator
BAUM, Frank G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,811,530 June 23, 1931 Insulating Device
Ribbed suspension insulator with deep hollow interior to receive linkage hardware to connect the next insulator
BAUM, Frank G.
Suspension Westinghouse Electric & Mfg. Co.
 BAUM, Frank George
U 875,978 January 7, 1908 Electric Switch
High-tension switch supported on several multipart insulators.
BAUM, Frank George
Switch  
 BEACH, William W.
U 294,563 March 4, 1884 Insulator for Electric Wires
Block with grooves
BEACH, William W.
Block  
 BEAL, Carroll N.
U Specimen known 634,568 October 10, 1899 Insulating Support for Electric Wires
CD 309, U-416, under-crossarm type for better protection from rain
BEAL, Carroll N.
Insulator  
 BEARDSLEY, Lauren S.
U 524,100 August 7, 1894 Supporting Insulator for Electric Wires
Pin
BEARDSLEY, Lauren S.
Pin  
D 24,189 April 9, 1895 Design for an Insulator Holder
Bracket with lag screw for insulator
BEARDSLEY, Lauren S.
Bracket  
D 24,190 April 9, 1895 Design for an Insulator Holder
Pin with lag screw for insulator
BEARDSLEY, Lauren S.
Pin  
D 24,191 April 9, 1895 Design for an Insulator Holder
Bracket with lag screw for insulator
BEARDSLEY, Lauren S.
Bracket  
D 24,249 April 23, 1895 Design for an Insulator Holder
Pin
BEARDSLEY, Lauren S.
Pin  
D 25,177 February 18, 1896 Design for an Insulator Bracket
Bracket for two insulators
BEARDSLEY, Lauren S.
Bracket  
D 25,178 February 18, 1896 Design for an Insulator Bracket
Bracket for three insulators
BEARDSLEY, Lauren S.
Bracket  
U 558,758 April 21, 1896 Fastening Insulator Brackets
Bracket for two insulators, top of pole or crossarm
BEARDSLEY, Lauren S.
Bracket  
 BEARDSLEY, Willard P.
U 671,876 April 9, 1901 Self-Locking Insulator
Self-tying screw top
BEARDSLEY, Willard P.
Self-tying Screw Top  
 BEARSE, Aaron
U 761,814 June 7, 1904 Combined Insulator and Fuse Box
Combined insulator and fuse box (see CJ & Brown's Unique p. 67)
BEARSE, Aaron
Combined Ins  
 BEATTY, Thomas W.
U Specimen known 1,139,748 May 18, 1915 Insulator
Knob
BEATTY, Thomas W.
Knob  
U 1,273,313 July 23, 1918 Insulator
Knob with metal clip
BEATTY, Thomas W.
Knob  
U 1,381,695 June 14, 1921 Porcelain Tube Heading Machine
Machine for making wall tubes
BEATTY, Thomas W.
Wall Tube  
 BECK, Harold M.
U 1,179,395 April 18, 1916 Insulating Support for Storage Battery Tanks
Battery support insulator with lead cup underneath
BECK, Harold M.
Battery  
 BECK, Washington
U 178,504 June 13, 1876 Improvement in the Manufacture of Glassware
Mold for glass wall pocket
BECK, Washington
HU  
U 301,329 July 1, 1884 Plunger for Pressing Glass
Insulator press with a plunger made of plaster of Paris
BECK, Washington
Press  
 BECKER, Raymond A.
MADDEX, Thomas E.
U 1,268,315 June 4, 1918 Insulator Thimble
Thimble (threaded) for cementing in pin hole
BECKER, Raymond A.
MADDEX, Thomas E.
Thimble  
 BECKETT, James W.
BECKETT, William R.
U 864,599 August 27, 1907 Insulator Tie for Electric Wires
Tie wire clamp
BECKETT, James W.
BECKETT, William R.
Tie Wire  
 BEESON, William
U 258,005 May 16, 1882 Balloon Support for Telegraph Wires, &c.
Gas balloon as a substitute for poles to support telegraph wires, light towers, and flags
BEESON, William
Balloon  
 BEINE, Charles H.
U 1,348,534 August 3, 1920 Insulator Bracket
Bracket to attach to a cable to lead a telephone wire down to a building
BEINE, Charles H.
Bracket 1/2 to George C. Brown
 BELCHER, Warren J.
U 535,660 March 12, 1895 Insulator
Strain in the shape of a ball
BELCHER, Warren J.
Strain The Billings & Spencer Co.
 BELL, Jasper N.
U 806,769 December 12, 1905 Adjustable Support for Telegraph Line Wires
Split cylinder of wood insulator for spacing line wires with external spiral grooves for receiving spiral of wire to hold the halves together and attach to insulator on adjacent wires
BELL, Jasper N.
Wood  
 BELL, Joseph R.
U Specimen known 726,846 May 5, 1903 Insulator for Electric Wires
U-181 & CD 207 (sim) self-tying screw top (see 664,432)
BELL, Joseph R.
Insulator  
 BELLEZZA, Russell G.
SKIPPER, Edward M.
U 2,297,646 September 29, 1942 Pug Mill
Pug mill design to prevent stresses and strains in the clay as it is extruded
BELLEZZA, Russell G.
SKIPPER, Edward M.
Pug Mill Locke Insulator Corp.
 BELLOWS, Lewis F. R.
U Specimen known 2,173,510 September 19, 1939 Conducting Holder for Luminous Tube Terminals
Neon terminal holder
BELLOWS, Lewis F. R.
Neon  
 BEMIS, George M.
U 803,973 November 7, 1905 Insulator
Clamp type
BEMIS, George M.
Clamp Type  
 BENARD, Arthur G.
U 1,866,792 July 12, 1932 Multiple Insulator Trimming Machine
Machine to trim several insulators at the same time
BENARD, Arthur G.
Manufacturing Locke Insulator Corp.
U 2,034,707 March 24, 1936 Apparatus for Making One-Piece Insulators
Machine to press out the form and trim the profile in large unipart insulators
BENARD, Arthur G.
Manufacturing Locke Insulator Corp.
 BENBOW, William C.
U Specimen known 696,665 April 1, 1902 Wire Insulator
Mine insulator
BENBOW, William C.
Mine The Benbow Co.
 BENEDICT, Fred
U 600,607 March 15, 1898 Insulator Support for Electrical Conductors
Bracket with supporting strap for crossarm
BENEDICT, Fred
Bracket  
 BENEDICT, Paul M.
U 1,286,207 December 3, 1918 Insulator Bracket
Bracket with special threaded thimble that will resist turning
BENEDICT, Paul M.
Bracket Barnes & Kobert Mfg. Co.
 BENJAMIN, Edward O.
U 1,494,766 May 20, 1924 Insulating Support
Battery rest insulator sitting on a foot to allow movement
BENJAMIN, Edward O.
Battery International Oxygen Co.
 BENNETT, Cornelius Van Dyke
U 1,157,612 October 19, 1915 Die for Insulators
Plunger to form suspension petticoats and threaded pinhole
BENNETT, Cornelius Van Dyke
Plunger Locke Insulator Mfg. Co.
U 1,553,356 September 15, 1925 Machine for Producing Threads or Grooves in Plastic Articles
Threading method whereby mandrel rotates (similar to Lapp wobbler method)
BENNETT, Cornelius Van Dyke
Thread The Porcelain Insulator Corp.
U 1,567,027 December 29, 1925 Insulator Threading Machine
Machine to form threads in plastic clay
BENNETT, Cornelius Van Dyke
Press The Porcelain Insulator Corp.
 BENNETT, George H.
U 489,861 January 10, 1893 Bracket for Electric Light Wires
Bracket for supporting insulators.
BENNETT, George H.
Bracket  
 BENNETT, George R.
U 1,797,219 March 24, 1931 Insulator Supporting Fixture
Bracket for secondary rack spools using inexpensive, strong construction
BENNETT, George R.
Bracket Line Material Co.
 BERNDT, Arthur A.
U 2,082,566 June 1, 1937 Connector
Steel connector for strain, suspensions, and other insulators
BERNDT, Arthur A.
Connector Electroline Corp.
 BERON, Frank G.
U 550,673 December 3, 1895 Crossover Insulator
Crossover knob
BERON, Frank G.
Crossover 1/2 to James Gaffney
 BERRANG, Jacob C.
U 403,727 May 21, 1889 Insulator
Knob - self-tying
BERRANG, Jacob C.
Knob  
 BERTOLETTE, Daniel A.
U 450,384 April 14, 1891 Electric Wire Insulator
Knob with two grooves and side petticoat
BERTOLETTE, Daniel A.
Knob  
 BETTINI, David
U 1,904,608 April 18, 1933 Insulator Finishing Brushing Machine
Machine to grind down interlinking passages in a semi-dry insulator body for metal fittings
BETTINI, David
Manufacturing Locke Insulator Corp.
 BETTINI, David Joseph
U 2,341,309 February 8, 1944 Cutting Tool
Cutting tool to remove clay from inside a bushing
BETTINI, David Joseph
Cutting Tool Locke Insulator Corp.
 BETTMANN, Charles Frederick
ZAPP, John
U 770,999 September 27, 1904 Wire Support
Metal support shaped such that the conductor is pinched in the V-groove. The metal support fits inside a tubular insulator made of glass, porcelain or rubber that fits in a hole drilled in the crossarm.
BETTMANN, Charles Frederick
ZAPP, John
Wire Support  
 BEYER, David S.
U 887,578 May 12, 1908 Hanger for Electric Wires
Tree type - swinging
BEYER, David S.
Tree  
 BICKNELL, John E.
U 1,060,886 May 6, 1913 Insulator
Interchangeable nail-knob parts
BICKNELL, John E.
Knob Findlay Electric Porcelain Co.
 BIELE, August
U 823,912 June 19, 1906 Insulator
Cylindrical insulator with hole for line wire and hole for tie wire mounted in hole in crossarm and secured with cover over top of crossarm
BIELE, August
Insulator  
 BIGEON, Charles
U 234,523 November 16, 1880 Telegraph Insulator
Slotted circular insulator held by split metal screw bracket
BIGEON, Charles
Slotted  
 BIGHAM, Neal Jay
U Specimen known 977,262 November 29, 1910 Insulating Hanger
Knob - self-tying
BIGHAM, Neal Jay
Knob Harry A. Robertson
 BILBY, Ernest E.
D 85,082 September 15, 1931 Design for a Bottle or Similar Article
Waterfall refrigerator bottle
BILBY, Ernest E.
HI Hemingray Glass Co.
D 86,659 April 5, 1932 Design for a Bottle or Similar Article
Wishing well refrigerator bottle
BILBY, Ernest E.
HI Hemingray Glass Co.
 BILLINGS, Harry E.
U 576,392 February 2, 1897 Insulator
Trolley hanger
BILLINGS, Harry E.
Trolley Hanger The Billings & Spencer Co.
 BINKLEY, William J.
U 2,099,098 November 16, 1937 Bracket for Electrical Wires
Wireholder with lag screw
BINKLEY, William J.
Wireholder James R. Kearney Corp.
 BINNS, Jack N.
DUGLE, Thomas E.
ALT, Alvin F.
U Specimen known 2,609,418 September 2, 1952 Adjustably Mounted Insulator Assembly
Electric fence insulator with hexagon head used with metal mounting bracket (see patent 2,756,958)
BINNS, Jack N.
DUGLE, Thomas E.
ALT, Alvin F.
Electric Fence  
U Specimen known 2,756,958 July 31, 1956 Insulator Mounting Clip
Mounting clip for an electric fence insulator (see patent 2,609,418)
BINNS, Jack N.
DUGLE, Thomas E.
ALT, Alvin F.
Electric Fence Planet Products Corp.
 BIRDSALL, Edward T.
SERRELL, Lemuel William
U 463,824 November 24, 1891 Trolley Wire Hanger
Trolley wire hanger with insulator with threads on inside and outside to screw into bell
BIRDSALL, Edward T.
SERRELL, Lemuel William
Hanger  
 BLACK, Harold R.
GAGIN, Lawrence V.
U 2,562,292 July 31, 1951 Glass composition for electrical bulbs (TV tubes?)
Glass Composition
BLACK, Harold R.
GAGIN, Lawrence V.
OI Owens-Illinois Glass Co.
 BLACKBURN, George W.
U Specimen known 504,059 August 29, 1893 Insulator
CD 141.6, bail type clamping lever to hold line wire
BLACKBURN, George W.
Insulator  
 BLACKBURN, Jasper
U 915,330 March 16, 1909 Insulator and Wire Clamp
Self-tying twist lock type
BLACKBURN, Jasper
Self-tying Twist  
U 945,212 January 4, 1910 Insulator Clamp
Bracket for pin that clamps around crossarm
BLACKBURN, Jasper
Bracket  
U 945,213 January 4, 1910 Insulator Clamp
Bracket for pin that clamps around crossarm
BLACKBURN, Jasper
Bracket  
U 964,376 July 12, 1910 Insulator Support
Bracket for pin that clamps around crossarm
BLACKBURN, Jasper
Bracket  
 BLACKBURN, Jasper
ALBRECHT, Arthur A.
PEELE, Hereward J.
U 1,709,555 April 16, 1929 Insulator Support
Wireholder with bracket designed to be cemented between bricks
BLACKBURN, Jasper
ALBRECHT, Arthur A.
PEELE, Hereward J.
Wireholder Jasper Blackburn
 BLACKMORE, Charles C.
U 1,362,221 December 14, 1920 Compensating Wire Support
Metal bracket composed of two curved angle supports for three insulators to yield and absorb the strain and weight of telephone and telegraph lines
BLACKMORE, Charles C.
Bracket  
 BLACKWELL, Francis O.
BUCK, Harold W.
U 1,362,388 December 14, 1920 High Tension Insulator
Suspension or strain of resin rod covered with ceramic to keep rod dry
BLACKWELL, Francis O.
BUCK, Harold W.
Suspension General Electric Co.
 BLAKE, Charles C.
U 825,954 July 17, 1906 Cleat for Electric Wires
Knob - split made from wood or composition
BLAKE, Charles C.
Knob  
 BLAKE, Edwin C.
TRIMNELL, Ernest C.
U 342,320 May 25, 1886 Electric Circuit Wire Insulator
Self-tying
BLAKE, Edwin C.
TRIMNELL, Ernest C.
Self-tying Miscellaneous Blake & Trimnell and George Hunt
 BLANKINSOP, Thomas
BROWN, Joseph W.
U 562,166 June 16, 1896 Insulator
Glass insulator with side conductor groove, threaded mounting pin, and hexagonal head to turn the insulator with a wrench for mounting in a wooden crossarm. A metal reinforcing pin is molded in the threaded end. (see patent gb1896-0019650)
BLANKINSOP, Thomas
BROWN, Joseph W.
Insulator  
 BLEININGER, Albert V.
U 1,528,908 March 10, 1925 Process of Forming Ceramic Products
Process of adding reagents to accelerate hardening of the clay to reduce the time body is in mold
BLEININGER, Albert V.
Manufacturing 1/2 to Frank H. Riddle
 BLOOM, David
U 1,159,825 November 9, 1915 Receptacle Closure
Fruit jar closure (the Bloom Jar Co. took over the California Glass Insulator Co.)
BLOOM, David
Jar  
 BLOOMFIELD, John H.
U 216,138 June 3, 1879 Improvement in Telegraph Insulators
Insulator suspended under crossarm by screw to hold wireholder
BLOOMFIELD, John H.
Insulator  
 BLOOMHALL, George L.
U 310,931 January 20, 1885 Device for Securing Electric Wires to Poles
Pin with plate flange to wrap around pole without drilling a hole
BLOOMHALL, George L.
Pin  
 BLYNT, Herbert S.
U 815,506 March 20, 1906 Insulator
Cleat - self-tying
BLYNT, Herbert S.
Cleat  
 BOALS, Harry R.
U 1,449,808 March 27, 1923 Mold
Machine press to form the glass lid to a dish and the handle knob on top
BOALS, Harry R.
Manufacturing Corning Glass Works
 BOCH, John W.
U Specimen known 600,475 March 8, 1898 Electrical Insulator and Method of Making Same
Multiple thin porcelain shells fused together with glaze, ""glaze-filling"" method, U-928 & U-928A. (see patent 601,195) (see patent gb1898-0006235) Patent was owned by the R. Thomas & Sons Co.
BOCH, John W.
Insulator  
U Specimen known 601,195 March 22, 1898 High Potential Insulator
Inner skirt extending down to the crossarm or through the crossarm to prevent arcing from the petticoat edges to the pin, U-944. (see patent 600,475) (see patent gb1898-0006235)
BOCH, John W.
Insulator The R. Thomas & Sons Co.
U 648,341 April 24, 1900 Die for Pottery Ware
Die for pressing out door knobs
BOCH, John W.
Die  
 BOCH, Oscar A.
U Specimen known 2,228,196 January 7, 1941 Insulator
Wireholder with lag screw
BOCH, Oscar A.
Wireholder  
 BOCK, Peter
U 4,332,913 June 1, 1982 Flux Combination of Barium Oxide and Potassium Feldspar for High Strength Alumina Porcelain Electric Insulators
Porcelain composition with low shrinkage during firing
BOCK, Peter
Porcelain Rosenthal Technik AG
 BOCKING, Frederick William
U 1,345,987 July 6, 1920 Cushion Support
Square of layered rubber with depression in the center to hold caster wheel from movement
BOCKING, Frederick William
Piano  
 BODLEY, Homer D.
U 872,216 November 26, 1907 Insulator
Self-tying with cam lever
BODLEY, Homer D.
Self-tying Miscellaneous  
 BOEGLEN, Durwood L.
LOCKART, Edward P.
U 2,318,362 May 4, 1943 Wall Construction
Glass Block wall construction without mortar
BOEGLEN, Durwood L.
LOCKART, Edward P.
OI Owens-Illinois Glass Co.
 BOEHM, Wilhelm
U 1,128,747 February 16, 1915 Method of Manufacturing Porcelain Insulators
Manufacturing process for porcelain insulator firing unglazed, then filling porous porcelain with oxidizable oil and rendering the oil stable with ozone to form a coating to replace expense of firing on a glaze
BOEHM, Wilhelm
Manufacturing  
 BOGUE, Lawrence L.
U Specimen known 905,141 December 1, 1908 Insulator
Strain similar to CD 1130, CD 1131, CD 1138, CD 1140, CD 1142 but with intersecting grooves
BOGUE, Lawrence L.
Insulator  
 BOLTON, Daniel G.
U 880,121 February 25, 1908 Electrical Insulator
Knob wiring insulator composed of two or more discs to secure individual wires from each other and the supporting nail or screw.
BOLTON, Daniel G.
Knob  
U 1,020,122 March 12, 1912 Electrical Insulator
miscellaneous complicated design of multiple parts and cemented bushing
BOLTON, Daniel G.
Miscellaneous Frank S. Diener
 BOND, John T.
U 927,321 July 6, 1909 Insulator
Wire grooves undercut to hold wire
BOND, John T.
Wire  
 BONNESEN, Elmer J.
U Specimen known 2,734,098 February 7, 1956 Transposition Insulators
CD 203.2 transposition - rainshed of elastic material between conductors
BONNESEN, Elmer J.
Insulator American Telephone & Telegraph Co.
 BOOKER, Charles
U 778,005 December 20, 1904 Electric Insulator
Pin hole with groove inside of pin hole & on pin
BOOKER, Charles
Pin  
 BOORMAN, David
U 641,493 January 16, 1900 Support for Musical Instruments
Hollow glass insulator for piano legs with adjustable height
BOORMAN, David
Piano  
 BOOZER, Ralph C.
U 1,167,041 January 4, 1916 Insulator Support
Pin, split metal bolted together below threads
BOOZER, Ralph C.
Pin Joslyn Mfg. & Supply Co.
U 1,167,042 January 4, 1916 Insulator Support
Bracket for large multipart porcelain insulators
BOOZER, Ralph C.
Bracket Joslyn Mfg. & Supply Co.
 BOTT, Perry J.
U 2,135,558 November 8, 1938 Insulator Shield
Protective shield
BOTT, Perry J.
Protective Shield  
 BOTTJER, Herman
U 739,147 September 15, 1903 Insulator for Electric Wires
Self-tying screw top
BOTTJER, Herman
Self-tying Screw Top  
 BOURDIL, Francois Fernand
U 930,141 August 3, 1909 Automatic Safety Device
A rotating metal member that catches a broken wire and shorts out the line effectively turning off the power before the line drops to the ground where it could have harmed someone coming in contact with the broken wire.
BOURDIL, Francois Fernand
Miscellaneous  
 BOURKE, Alexander M.
U 1,020,880 March 19, 1912 Insulator
Self-tying screw top
BOURKE, Alexander M.
Self-tying Screw Top  
 BOVARD, Floyd G.
U 1,988,155 January 15, 1935 Insulator
Suspension pin
BOVARD, Floyd G.
Suspension The Ohio Brass Co.
U 2,068,941 January 26, 1937 Process and Apparatus for Manufacturing Insulators
Plunger to first form the pinhole in a porcelain insulator by first plunging a pinhole without threads then form the threads
BOVARD, Floyd G.
Press The Ohio Brass Co.
 BOWDLE, Frank A.
U 1,139,950 May 18, 1915 Insulator Bracket
Bracket, metal to fit around pole to hold one insulator
BOWDLE, Frank A.
Bracket  
 BOWEN, William J.
U 286,681 October 16, 1883 Acoustic and Electric Insulator
Hook with devices for suspending and insulating conductors (see 481,132)
BOWEN, William J.
Hook 1/2 to T. T. Keckeler and Z. C. Thiving
U 481,132 August 16, 1892 Insulator
Device and insulator for suspending wires using one or more insulators encased in a metal sphere with wire suspended by means of a bolt or hook set in the center of the two halves of the spherical insulator (see 286,681)
BOWEN, William J.
Insulator William Hubbard
 BOWER, Fred B.
U 995,838 June 20, 1911 Knob for Electric Wiring
Crossover knob
BOWER, Fred B.
Crossover 1/2 to Edia Ramsey
 BOWER, George W.
U 1,508,158 September 9, 1924 Coupling for Insulators
Links to connect Hewlett suspension disks
BOWER, George W.
Suspension General Electric Co.
 BOWER, Sigmund
U Specimen known 745,999 December 8, 1903 Insulator
nail-knob with conical projection on the bottom part that fits in a conical recess in the top part and projections in the wire groove and cap to secure the wire.
BOWER, Sigmund
Knob 1/2 to Joseph Levy
 BOYD, Robert A.
U 2,768,556 October 30, 1956 Control of Daylighting
Window design uitilizing glass blocks
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,812,690 November 12, 1957 Skylights
Skylight utilizing glass block
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,812,691 November 12, 1957 Skylights
Skylight utilizing glass block
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,812,692 November 12, 1957 Control of Daylighting
Window design uitilizing glass blocks
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,858,734 November 4, 1958 Skylight
Glass Block Skylight
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,993,409 July 25, 1961 Skylights
Glass Block Skylight
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 3,012,378 December 12, 1961 Light Transmitting Blocks
Glass Block
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 3,113,728 December 10, 1963 Artificial Light and Daylighting Structure
Artificical Light that looks like a glass block
BOYD, Robert A.
OI Owens-Illinois Glass Co.
 BOYLAND, Clarence Joseph
U 1,022,121 April 2, 1912 Insulator Pin
Pin, metal with barbs to hold it in hole in crossarm
BOYLAND, Clarence Joseph
Pin  
 BOYNTON, John F.
U 61,390 January 22, 1867 Improved Compound for Telegraph Insulators, and for Other Purposes
Heating earthenware insulators to 400-500 degrees and dipping into asphaltic compound that has been mixed with sulfur, silicic acid, and silicate of alumina to provide a hard, weather-resistant coating
BOYNTON, John F.
Coating  
U 66,453 July 9, 1867 Improvement in Insulators for Telegraphs
Earthenware pin and insulator saturated with tar
BOYNTON, John F.
Earthenware  
U 96,194 October 26, 1869 Improvement in Lightning Rod Points
Lightning rod point struck from a sheet of metal and having multiple corrugations
BOYNTON, John F.
Lightning Rod Point  
 BOYTER, Robert L.
U 1,215,245 February 6, 1917 Tie Wire for Insulators
Tie wire clip
BOYTER, Robert L.
Tie Wire  
 BRACH, Leon S.
D Specimen known 69,381 February 9, 1926 Design for an Insulator
Radio strain
BRACH, Leon S.
Strain L. S. Brach Manufacturing Co.
 BRADLEY, Leonard W.
U 525,001 August 28, 1894 Insulator
Knob - 2 piece
BRADLEY, Leonard W.
Knob  
 BRADLEY, Lucien
U 189,298 April 10, 1877 Improvement in Couplings for Lightning Rods
Coupling for corrugated or fluted lightning rods of same shape fitted over the ends of the rods and riveted
BRADLEY, Lucien
Lightning Rod Coupling  
 BRADLEY, Sylvester
U 176,769 May 2, 1876 Improvement in Lightning Rod Couplings
Lightning rod connector made of solid metal fitting snugly inside each end of the tubular rod and secured with pins
BRADLEY, Sylvester
Lightning Rod Coupling  
U 303,488 August 12, 1884 Coupling for Tubular Lightning Rods
Coupling for tubular lightning rods
BRADLEY, Sylvester
Lightning Rod Coupling  
U 305,140 September 16, 1884 Lightning Rod Coupling
Coupling for tubular lightning rods
BRADLEY, Sylvester
Lightning Rod Coupling  
U 323,105 July 28, 1885 Machine for Making Lightning Rod Connections
Machine for making lightning rod connectors
BRADLEY, Sylvester
Lightning Rod Machine  
 BRADY, Charles C.
U 1,028,534 June 4, 1912 Insulator
Miscellaneous
BRADY, Charles C.
Miscellaneous  
 BRADY, Edmund W.
U 1,729,702 October 1, 1929 Insulator Supporting Means
Metal threaded thimble that can be attached to a steel pin
BRADY, Edmund W.
Pin The Brady Electric & Mfg. Co.
 BRADY, Thomas H.
U 476,604 June 7, 1892 Insulator Bracket
Bracket with pin and hollow threaded head
BRADY, Thomas H.
Bracket  
U 497,515 May 16, 1893 Insulator
Cleat with metal clip to hold wire
BRADY, Thomas H.
Cleat  
 BRADY, William P.
U 1,504,859 August 12, 1924 Adjustable Secondary Rack
An adjustable wireholder rack bracket whick allows the spool insulators to be adjusted up or down.
BRADY, William P.
Bracket  
U 1,527,346 February 24, 1925 Flexible Insulator
Wireholder with lag screw and metal bracket
BRADY, William P.
Wireholder Brady Electric & Mfg. Co.
 BRANCH, James R.
U 445,969 February 10, 1891 Electric Insulator
Round insulator mounted on top of crossarm with two screws and surrounded with a rubber tube. Conductor is supported on top and secured with a metal clip.
BRANCH, James R.
Insulator  
 BRANDON, John H.
U 270,379 January 9, 1883 Lightning Rod
Lightning rod made of hollow copper filled with non-metallic material and special connectors on each end
BRANDON, John H.
Lightning Rod  
 BRENNAN, James W.
ROUSSEAU, Necter
U 287,092 October 23, 1883 Mechanism for Preventing Induced Currents in Telephone Lines
Pre-transposition technique to eliminate induced current on telephone and telegraph wires
BRENNAN, James W.
ROUSSEAU, Necter
Transposition  
 BRENNEN, John S.
U 1,343,343 June 15, 1920 Fuel Reservoir
Kerosene jar
BRENNEN, John S.
HU  
 BRENNER, Ralph F.
U 1,623,301 April 5, 1927 Heat Resisting Glass
Glass of nearly opaque nature, probably that used for Fry insulators
BRENNER, Ralph F.
Glass H. C. Fry Glass Co.
 BREWSTER, Truman P.
MCKAHAN, Alexander C.
U Specimen known 2,299,960 October 27, 1942 Bracket and Method of Transposing Wires
Transposition bracket
BREWSTER, Truman P.
MCKAHAN, Alexander C.
Transposition  
 BRIDGES, Donald A.
U 2,259,728 October 21, 1941 Apparatus for Making Hollow Glass Building Blocks
Machine for making glass block
BRIDGES, Donald A.
OI Owens-Illinois Glass Co.
U 2,290,138 July 14, 1942 Mechanism for Handling Wire Mesh
Machine for handling wire mesh for glass blocks
BRIDGES, Donald A.
OI Owens-Illinois Glass Co.
U 2,532,478 December 5, 1950 Building Block
Multiple celled glass block
BRIDGES, Donald A.
OI Owens-Illinois Glass Co.
 BRINEY, Perry G.
U 1,896,937 February 7, 1933 Insulator
Fog type suspension like a Hewlett but with the edges curved sharply upward
BRINEY, Perry G.
Fog  
 BRITTAN, N.
U 30,560 November 6, 1860 Improvement in Lightning Rods
Lightning rod made up of continuous strips or tubes of metal
BRITTAN, N.
Lightning Rod  
U 43,565 July 19, 1864 Improvement in Lightning Conductors
Lightning rod tips formed by spiralling flat metal strips (see reissue 2,601)
BRITTAN, N.
Lightning Rod Point  
R 2,601 May 14, 1867 Improvement in Lightning Rods
Lightning rod made of flat metal made tubular for the rods and points (see 43,565)
BRITTAN, N.
Lightning Rod  
 BROAD, William
U 1,755,587 April 22, 1930 Insulating Device
Crossover
BROAD, William
Crossover 3/4 to Harry McLain
 BRONSON, Frank A.
U 639,016 December 12, 1899 Acoustic Supporting Base for Pianos
Hollow glass insulator for piano legs
BRONSON, Frank A.
Piano  
 BROOKE, Aries P.
U 116,926 July 11, 1871 Improvement in Glass Presses
Press for forming threads in insulators whereby the threaded mandrel remains in the insulator and removed after glass has set up
BROOKE, Aries P.
Press  
U 128,280 June 25, 1872 Improvement in Glass Presses
Press for making insulators
BROOKE, Aries P.
Press William Brookfield
U 129,095 July 16, 1872 Improvement in Glass Presses
Press for making insulators
BROOKE, Aries P.
Press  
U 162,894 May 4, 1875 Improvement in Machines for Pressing and Molding Glass
Press for making glass insulators
BROOKE, Aries P.
Press James M. Brookfield
U 164,517 June 15, 1875 Improvement in Molds for Glass, Etc.
Mold for making glass insulators
BROOKE, Aries P.
Mold James M. Brookfield
U 174,773 March 14, 1876 Improvement in Fruit Jars
Improved seal on fruit jar
BROOKE, Aries P.
Fruit Jar  
U 275,984 April 17, 1883 Press and Mold for Molding Glass
Press for making insulators
BROOKE, Aries P.
Press William Brookfield
 BROOKE, Homer
U 85,637 January 5, 1869 Improved Glass Mould
Mold for making glass bottles
BROOKE, Homer
Mold  
U 92,256 July 6, 1869 Improvement in Lamp Chimneys
Lamp chimney to support a shade
BROOKE, Homer
Lamp Chimney  
U 93,591 August 10, 1869 Improved Glass Mould
Mold for making glass bottles with separable bottom part to form depression in bottom of bottle
BROOKE, Homer
Mold  
U Specimen known 99,145 January 25, 1870 Improvement in the Manufacture of Insulators for Telegraph Poles
Press for making insulators, first making hole, then threads
BROOKE, Homer
Press  
U 151,352 May 26, 1874 Improvement in Machines for Molding Plastic Materials
Press and plunger to form threadless pinhole in glass
BROOKE, Homer
Press  
U Specimen known 154,451 August 25, 1874 Improvement in Telegraph Insulators
CD 109.5 self-tying with three projections on top (similar to Harloe)
BROOKE, Homer
Insulator  
U 154,638 September 1, 1874 Improvement in Casting Stench Traps
Method of casting lead S-traps
BROOKE, Homer
Misc  
U 191,102 May 22, 1877 Improvement for Glass Molds for Shade-Holders and Shades
Mold for lamp shades
BROOKE, Homer
Mold Bennett B. Schneider
U 191,103 May 22, 1877 Improvement in Molds for Glass Shades, &c.
Mold for lamp shades
BROOKE, Homer
Mold Bennett B. Schneider
U 191,224 May 29, 1877 Improvement in Processes for the Manufacture of Glass Shades
Mold for lamp shades
BROOKE, Homer
Mold Bennett B. Schneider
U 241,921 May 24, 1881 Means for Attaching Caps to Bottles
Internal groove in the neck of a bottle to secure the cap by means of a chain
BROOKE, Homer
Bottle  
U 255,487 March 28, 1882 Means for Attaching Caps to Bottles
Metal cap with holes for distributing the contents of condiment bottles
BROOKE, Homer
Bottle  
U 283,321 August 14, 1883 Molding Screw Forms in Plastic Material
Press for forming threads (referenced in one of the Brookfield/Elmer Glass lawsuits)
BROOKE, Homer
Press  
U 364,211 June 7, 1887 Glass Mold
Glass mold for bottles with an end-tapper.
BROOKE, Homer
Mold  
U 369,429 September 6, 1887 Bridge Brow for Ferry Boats & c.
Method of moving bridge bows or gang planks on boats
BROOKE, Homer
Misc 1/2 to John Hurtin King
U 588,318 August 17, 1897 Apparatus for Manufacturing Articles of Glass
Method of keeping glass molten and delivering it to the press
BROOKE, Homer
Manufacturer 3/8 to John C. Grout
U 588,319 August 17, 1897 Molding Glass
Manual manipulation of molded glass object after removal from the mold
BROOKE, Homer
Manufacturer 3/8 to John C. Grout
U 596,319 December 28, 1897 Manufacture of Necks of Glass Bottles
Method of forming necks on glass bottles.
BROOKE, Homer
Mold  
U 693,367 February 18, 1902 Pipe Joint
Pipe joint
BROOKE, Homer
Misc  
U 723,982 March 31, 1903 Receptacle for Containing Molten Material
Design of a glass furnace with conduit to feed molten glass to the press
BROOKE, Homer
Glass  
U 723,983 March 31, 1903 Device for Cutting Molten Material and Distributing Same
Machine for continuously cutting off desired sized globs of molten glass for each mold
BROOKE, Homer
Glass  
U 925,864 June 22, 1909 Glass Furnace
Glass furnace designed to be tilted in order to pour out molten glass
BROOKE, Homer
Glass  
U 1,712,327 May 7, 1929 Glass-Serving Apparatus
Method of delivering molten slugs of glass
BROOKE, Homer
Manufacturing  
U 1,776,538 September 23, 1930 Apparatus for Serving Glass
Method of delivering molten slugs of glass
BROOKE, Homer
Manufacturing  
 BROOKE, William
U 11,515 August 15, 1854 Glass Mold
Mold and press to manufacture Lefferts ramshorn insulator
BROOKE, William
Hook  
 BROOKFIELD, Henry M.
U 596,651 January 4, 1898 Press for Making Insulators
Press for making insulators
BROOKFIELD, Henry M.
Press William Brookfield
 BROOKFIELD, Henry M.
KRIBS, Seraphin
U 596,652 January 4, 1898 Press for Making Insulators
Press for making insulators
BROOKFIELD, Henry M.
KRIBS, Seraphin
Press William Brookfield
U 646,948 April 10, 1900 Press for Molding Insulators
Automatic press for making insulators
BROOKFIELD, Henry M.
KRIBS, Seraphin
Press Brookfield Glass Co.
 BROOKFIELD, Henry M.
U 646,949 April 10, 1900 Press for Molding Insulators or Similar Articles
Automatic press for making insulators
BROOKFIELD, Henry M.
Press  
U 790,715 May 23, 1905 Machinery for the Manufacture of Glass Insulators or Other Glass Articles
Hand operated press and mold for making glass bushings, etc. compensates for quantity of glass
BROOKFIELD, Henry M.
Press  
U 790,716 May 23, 1905 Machinery for the Manufacturing of Glassware
Annealing conveyor for glassware (leer and endless conveyor)
BROOKFIELD, Henry M.
Annealing  
U 808,810 January 2, 1906 Glass Furnace
Furnace for discharging glass to make insulators
BROOKFIELD, Henry M.
Furnace  
U 810,031 January 16, 1906 Press for Making Glass Articles
Press for making insulators and bottles
BROOKFIELD, Henry M.
Press  
U 826,139 July 17, 1906 Device for Mixing Ingredients for Making Glass and for Feeding them to Furnaces
Mixer for mixing ingredients for glass insulators
BROOKFIELD, Henry M.
Mixer  
 BROOKFIELD, Henry M.
STIVERS, William D.
U 835,235 November 6, 1906 Press for Making Glass Insulators or Similar Articles
Press for making insulators
BROOKFIELD, Henry M.
STIVERS, William D.
Press Henry M. Brookfield
 BROOKFIELD, Henry M.
U 835,236 November 6, 1906 Press for Making Insulators or Similar Articles
Press for making insulators
BROOKFIELD, Henry M.
Press  
U 835,393 November 6, 1906 Process for Molding Glass
Press using steam to cool threading mandrel to prevent deformation of threads
BROOKFIELD, Henry M.
Press  
U 836,297 November 20, 1906 Apparatus for Making Glass Insulators or Other Similar Glass Articles
Press, fully automatic operation: glass flow apparatus for measuring molten glass
BROOKFIELD, Henry M.
Press  
U 836,298 November 20, 1906 Process of Making Glass Insulators or Other Glass Articles
Process covering patent 836,297: press, fully automatic operation, measuring molten glass to annealing
BROOKFIELD, Henry M.
Press  
U 841,112 January 15, 1907 Glass Furnace
Glass furnace for discharging glass to make insulators
BROOKFIELD, Henry M.
Furnace  
U 883,779 April 7, 1908 Glass Furnace and Appurtenances Thereof
Furnace for making glass insulators. Covers elements of patents 836,297 and 836,298.
BROOKFIELD, Henry M.
Furnace Brookfield Glass Co.
U 889,354 June 2, 1908 Process for Feeding Molten Glass for Making Glass Insulators or Similar Articles
Process for feeding molten glass to the press
BROOKFIELD, Henry M.
Process Brookfield Glass Co.
U 1,011,023 December 5, 1911 Machine for Making Glass Articles
Press for making glass insulators
BROOKFIELD, Henry M.
Press Brookfield Glass Co.
U 1,136,504 April 20, 1915 Glass and Art of Making the Same
Glass made from cullet with lime and clay added
BROOKFIELD, Henry M.
Glass  
 BROOKFIELD, Henry M.
OLSEN, Sigward
U 1,137,000 April 27, 1915 Fluid Molding Press
Press for making glass insulators
BROOKFIELD, Henry M.
OLSEN, Sigward
Press Brookfield Glass Co.
 BROOKFIELD, Henry M.
U 1,143,885 June 22, 1915 Process for Making a Compound of Glass
Glass made from cullet with large amount of lime added for toughness
BROOKFIELD, Henry M.
Glass  
 BROOKFIELD, Henry M.
OLSEN, Sigward
U 1,144,527 June 29, 1915 Mold
Press for making glass insulators
BROOKFIELD, Henry M.
OLSEN, Sigward
Press Brookfield Glass Co.
 BROOKFIELD, Henry M.
U 1,505,537 August 19, 1924 Machine for Forming Glass Articles
Severing and delivering glass from a continuous flow. Press for making glass insulators
BROOKFIELD, Henry M.
Press Brookfield Glass Co.
 BROOKFIELD, James M.
WHITE, Ephraim V.
U 9,789 June 14, 1853 Manufacturing Glass
Glass furnace for burning coal
BROOKFIELD, James M.
WHITE, Ephraim V.
Furnace  
 BROOKFIELD, James M.
U Specimen known 103,555 May 31, 1870 Improved Mode of Forming Glass Insulators
Press for making insulators using 2-piece mold & one forming operation (see reissue 9,392 on 9-28-1880)
BROOKFIELD, James M.
Press  
U 170,339 November 23, 1875 Improvement in Processes of Annealing Glass
Process of annealing glass
BROOKFIELD, James M.
Glass  
D Specimen known 9,858 March 20, 1877 Design for Telegraph Insulator
Telegraph insulator
BROOKFIELD, James M.
Pin-type  
D 9,956 May 8, 1877 Design for Telegraph Insulators
Telegraph insulator
BROOKFIELD, James M.
Pin-type  
U 200,973 March 5, 1878 Improvement in Glass Furnaces
Glass furnace
BROOKFIELD, James M.
Furnace  
D Specimen known 10,981 January 14, 1879 Design for Telegraph Insulator
CD 102 ""pony"" telegraph insulator
BROOKFIELD, James M.
Pin-type  
R Specimen known 9,392 September 28, 1880 Mode of Forming Insulators
Press for forming insulator and threaded pinhole (reissue of 103,555)
BROOKFIELD, James M.
Press  
 BROOKFIELD, William
U Specimen known 113,393 April 4, 1871 Improvement in the Mode of Making Telegraph Insulators
Press for making insulators leaving plunger in insulator
BROOKFIELD, William
Press  
 BROOKMAN, Horace D.
U Specimen known 1,640,815 August 30, 1927 Insulator
Knob - self-tying with side projections to crimp wire and hold it. It was made by the Trenle Porcelain Co. of East Liverpool and called the ""Quickon"" knob.
BROOKMAN, Horace D.
Knob  
 BROOKS, David
U Specimen known 45,221 November 29, 1864 Improvement in Insulators for Telegraph Wires
Hook cemented in glass with metal covering (see reissue 2,717 on 8-6-1867)
BROOKS, David
Hook  
U Specimen known 63,206 March 26, 1867 Improvement in Insulators for Telegraph Wires
Hook encased in metal or wood allows arcing to ground
BROOKS, David
Hook  
R Specimen known 2,717 August 6, 1867 Improvement in Insulators for Telegraph Wires
Hook cemented in glass & metal case with sulfur (reissue of 45,221)
BROOKS, David
Hook  
U Specimen known 69,622 October 8, 1867 Improvement in Insulators for Telegraphs
Hook in blown glass cemented with sulfur in metal case
BROOKS, David
Hook  
U 114,911 May 16, 1871 Improvement in Galvanic Batteries
Use of paraffin or paraffinic oil to coat surface of battery acid to prevent evaporation
BROOKS, David
Battery  
U 165,535 July 13, 1875 Improvement in Underground Telegraph Lines
Underground cable insulated by wrapping with cotton, hemp, or jute and saturating it with paraffin.
BROOKS, David
Cable  
U 199,506 January 22, 1878 Improvement in Insulating Underground Telegraph Wires
Underground cable insulated by wrapping with cotton, hemp, or jute and saturating it with paraffin and inserting the wires in heated metal pipes flushed with air to remove moisture.
BROOKS, David
Cable  
U Specimen known 200,124 February 12, 1878 Improvement in Telegraph Insulators
Hook in glass held in crossarm by pin (Brooks & La Bastie)
BROOKS, David
Hook  
 BROOKS, Herbert H.
U 482,913 September 20, 1892 Insulator
Tree insulator
BROOKS, Herbert H.
Tree 1/2 to Augustus T. Clark
 BROOKS, JR., David
U 383,097 May 22, 1888 Support for Electric Wires
Hanger for electric cable
BROOKS, JR., David
Hanger The Electric Cable Const. & Maint. Co.
 BROOMHALL, George L.
U 303,261 August 12, 1884 Cap for Telegraph and Telephone Poles
Pin designed to cover top of pole to protect the pole from weather
BROOMHALL, George L.
Pin  
U 304,699 September 9, 1884 Insulating Device
Bracket of cast metal for pole tops with three pins
BROOMHALL, George L.
Bracket  
U 319,447 June 9, 1885 Insulator
Wire groove projections through metal cover to contact wire
BROOMHALL, George L.
Wire  
 BROWN, Abner L.
U 747,043 December 15, 1903 Automatic Lathe
Machine for making threaded wooden pins
BROWN, Abner L.
Pin/machine 2/3 to John C. Greenwood and K. M. Thompson
 BROWN, Alvin E.
U 2,199,356 April 30, 1940 Glassware Forming Apparatus
Glass block press
BROWN, Alvin E.
OI Owens-Illinois Glass Co.
 BROWN, Donald M.
U 1,668,581 May 8, 1928 Electrical Insulating Knob
Knob (Canada)
BROWN, Donald M.
Knob  
 BROWN, Edward V.
U 937,984 October 26, 1909 Insulator Bracket
Bracket to mount insulator in mortar between bricks
BROWN, Edward V.
Bracket 1/2 to Adolph Day
 BROWN, Fred
U 1,048,390 December 24, 1912 Insulator
Self-tying screw top with slotted top
BROWN, Fred
Self-tying Screw Top  
 BROWN, George W.
U 175,022 March 21, 1876 Improvement in Lamp Collars
Oil lamp collar
BROWN, George W.
HU The Bristol Brass and Clock Co.
 BROWN, Gouverneur M.
U 268,075 November 28, 1882 Noise Deadening Insulator
Rubber plug or thimble inserted in pinhole
BROWN, Gouverneur M.
Rubber  
 BROWN, Harold H.
U Specimen known 1,988,369 January 15, 1935 Radio Interferenceproof Insulator
Metal cap cemented into recessed formed in top of pin type insulator
BROWN, Harold H.
Metal Locke Insulator Corp.
 BROWN, James M.
U 1,236,668 August 14, 1917 Insulator Clamping Device
Clamp for crown of large insulator
BROWN, James M.
Clamp Westinghouse Electric & Mfg. Co.
U 1,612,358 December 28, 1926 Insulator
Pin with cup below the threads to cover the inner skirt of the insulator and help secure the insulator to the pin
BROWN, James M.
Pin Westinghouse Electric & Mfg. Co.
 BROWN, Leonard
MIGLIORINI, Vincent T.
LENZ, Carl
SMITLEY, Wayne C.
U 2,821,158 January 28, 1958 Machine for Coating Bell-Shaped Electrical Suspension Insulators
Machine for automatically glazing suspension insulators and applying a sanded band for cementing the metal cap.
BROWN, Leonard
MIGLIORINI, Vincent T.
LENZ, Carl
SMITLEY, Wayne C.
Manufacturing General Electric Co.
 BROWN, Robert G.
U Specimen known 353,120 November 23, 1886 Insulator
CD 187, U-81 & U-82, duplex insulator for underside of crossarm
BROWN, Robert G.
Insulator E. S. Greeley & Co.
 BROWN, Robert L.
BROWN, Gus
U 1,035,415 August 13, 1912 Insulator
Self-tying miscellaneous
BROWN, Robert L.
BROWN, Gus
Self-tying Miscellaneous  
 BROWN, Warren C.
U 398,025 February 19, 1889 Insulator
Knob
BROWN, Warren C.
Knob  
 BROWN, William
U 196,518 October 30, 1877 Improvement in Lightning Conductors
Lightning rod with forked point dropping down to a funnel and pipe similar to gutter and set in the ground
BROWN, William
Lightning Rod Point  
U 271,029 January 23, 1883 Lightning Conductor
Lightning rod of tubular copper fitted with a funnel shaped point to collect water during the storm to more readily conduct electricity to ground
BROWN, William
Lightning Rod  
 BRUCHSALER, Karl
U 1,080,257 December 2, 1913 Insulator
Wall tube with metal clip
BRUCHSALER, Karl
Wall Tube  
 BRYAN, James
ETHERIDGE, Harry
BALSINGER, Edgar McCormack
U 899,859 September 29, 1908 Aerial Trolley Support
Metal pole arm to support trolley hanger insulators
BRYAN, James
ETHERIDGE, Harry
BALSINGER, Edgar McCormack
Hanger  
 BRYAN, James Chapman
U 160,151 February 23, 1875 Improvement in Lightning Rods
Lightning rod with horseshoe steel magnets for points and wrapped with zinc wire
BRYAN, James Chapman
Lightning Rod  
U 160,154 February 23, 1875 Improvement in Lightning Rods
Lightning rod with nickel steel magnets pointed north and south and batteries
BRYAN, James Chapman
Lightning Rod  
 BRYANT, Edison L.
RUSSELL, William F.
U 218,426 August 12, 1879 Improvement in Reflectors
Removable reflector hanging wall oil lamp (meteor)
BRYANT, Edison L.
RUSSELL, William F.
HU Wallace & Sons
 BUCHANAN, Sutton R.
U 1,283,651 November 5, 1918 Lightning Arrester
Lightning arrester with hole through top of insulator similar to U-70.
BUCHANAN, Sutton R.
Lightning Arrester/U-70  
 BUCK, Harold W.
U 876,939 January 21, 1908 Insulator
Cylinder, solid ribbed, to support wire
BUCK, Harold W.
Cylinder  
 BUCK, Harold W.
HEWLETT, Edward M.
U Specimen known 925,561 June 22, 1909 Suspension of High Tension Lines
Suspension system for high tension transmission
BUCK, Harold W.
HEWLETT, Edward M.
Suspension General Electric Co.
 BUCKBEE, Charles E.
U 873,700 December 10, 1907 Rotating Bracket for the Suspension of Electric Wires
Steel pin that will swing horizontally when line wire is brushed by movement of tree limbs
BUCKBEE, Charles E.
Pin  
 BUCKLEY, Lorenzo C.
U 1,465,157 August 14, 1923 Apparatus for Shaping Insulators
Machine to shape to crown of a small pin-type insulator
BUCKLEY, Lorenzo C.
Machine The R. Thomas & Sons Co.
U 1,566,070 December 15, 1925 Sagger
Sagger to provide uniform distribution in the kiln
BUCKLEY, Lorenzo C.
Sagger The R. Thomas & Sons Co.
 BUFFINTON, Elisha W.
U Specimen known 505,215 September 19, 1893 Cleat for Holding a Plurality of Insulated Electric Wires
Cleat (3-wire) - 2 piece known as the B & D cleat for Buffinton and Dow
BUFFINTON, Elisha W.
Cleat 1/2 to Albert F. Dow
U Specimen known 505,912 October 3, 1893 Cleat for Holding Insulated Electric Wires
Cleat (2-wire) - 2 piece
BUFFINTON, Elisha W.
Cleat 1/2 to Albert F. Dow
U Specimen known 544,501 August 13, 1895 Cleat for Holding Electric Wires
Cleat - 2 piece
BUFFINTON, Elisha W.
Cleat 1/2 to Albert F. Dow
U Specimen known 864,947 September 3, 1907 Clamp for Electric Wires
Knob
BUFFINTON, Elisha W.
Knob 1/2 to Marietta Huggett
 BUGG, Kenly C.
U 2,283,663 May 19, 1942 Connector
Metal connector to replace the tie wire to hold the conductor on the insulator
BUGG, Kenly C.
Tie Wire  
 BULLARD, James H.
U 751,831 February 9, 1904 Insulator Pin
Pin (metal) with webs and circular member to support inside surface of skirt
BULLARD, James H.
Pin  
U 754,123 March 8, 1904 Insulator Pin
Pin (metal) with webs made to reduce weight
BULLARD, James H.
Pin  
U 772,553 October 18, 1904 Insulator Pin
Pin (metal) composed of bars or rods attached to a metal plate
BULLARD, James H.
Pin  
U 823,461 June 12, 1906 Insulator Pin
Pin (metal) made of wire loops and sliding grooved, ribbed bar for threads
BULLARD, James H.
Pin  
 BULLER, Henry W.
U 1,371,855 March 15, 1921 Insulator
Self-tying slot top
BULLER, Henry W.
Self-tying Slot Top  
 BULLOCK, Edward J.
U 527,317 October 9, 1894 Insulator
Protective shield for wire groove
BULLOCK, Edward J.
Protective Shield  
U 527,318 October 9, 1894 Insulator Pin
Pin, wooden with internal reinforcing metal bar
BULLOCK, Edward J.
Pin 1/2 to Merwin Tuttle
 BUNDY, Clifton L.
D 46,243 August 11, 1914 Design for an Insulator
Strain
BUNDY, Clifton L.
Strain  
 BURGE, Charles S.
U 930,527 August 10, 1909 Automatically Adjustable Strain Insulator House Fixture
Wireholder for strain service and attached to a house for a drop wire
BURGE, Charles S.
Wireholder  
 BURGE, James M.
U 887,996 May 19, 1908 Combined Insulator and Lamp Hanger
Hanger for lamp
BURGE, James M.
Hanger  
 BURKE, Alfred Woodard
U 1,099,421 June 9, 1914 High Voltage Switch
High voltage switch mounted on multipart insulators composed of triangle shaped metal rods and insulators that rotate to open or close the switch.
BURKE, Alfred Woodard
Switch  
 BURKE, Edmund
U 1,799,580 April 7, 1931 Insulator
Suspension insulator composed of wood fibers impregnated with tar
BURKE, Edmund
Suspension Brown Co.
U 1,880,766 October 4, 1932 Support for Insulators
Steel pin with waterproof fiber threads and cone cover
BURKE, Edmund
Pin Brown Company
 BURKE, Edward J.
U 728,442 May 19, 1903 Electric Insulator
Self-tying slot top with wedge keeper plug
BURKE, Edward J.
Self-tying Slot Top 1/2 to Cummings & Anderson
 BURKETT, Byron C.
U 1,626,180 April 26, 1927 Lightning Rod Connecter
Lightning rod coupling composed of a Y-shaped tube which allows one end of the conductor to slip inside the tube and Y end attached to other conductor by bending over the metal tabs
BURKETT, Byron C.
Lightning Rod Coupling The Burkett Lightning Rod Co.
 BURLESON, Wade H.
U 2,239,809 April 29, 1941 Insulator
Suspension insulator and method of applying RFI coating
BURLESON, Wade H.
RFI The Ohio Brass Co.
 BURNAP, William H.
BRASSINGTON, John D.
U 58,594 October 9, 1866 Improvement in Telegraph Insulators
Hook with metal shell fastened at right angle to pole
BURNAP, William H.
BRASSINGTON, John D.
Hook  
 BURNETT, Adelbert C.
U 1,235,106 July 31, 1917 Insulator Attachment
Metal clip mounted in top of insulator to secure the conductor
BURNETT, Adelbert C.
Tie Wire  
 BURNHAM, John
U 93,410 August 10, 1869 Improvement in Insulators for Lightning Rods
Lightning rod insulator clamp type and rain shield
BURNHAM, John
Lightning Rod Insulator  
 BURNS, James A.
U 1,488,474 April 1, 1924 Machine for Molding Insulators
Press and molding machine for porcelain insulators
BURNS, James A.
Press Westinghouse Electric & Mfg. Co.
 BURTON, Edward
U 947,094 January 18, 1910 Insulator
Clamp type
BURTON, Edward
Clamp Type  
 BUSCHETTI, Claudis
U 1,205,971 November 28, 1916 Electric Insulator
Threads (metallic) or sleeve attached electrolytically
BUSCHETTI, Claudis
Thread  
 BUSH, Charles A.
U Specimen known 96,198 October 26, 1869 Improvement in Insulator for Telegraph Wires
Rubber sleeve over pin for threadless insulator
BUSH, Charles A.
Rubber 2/3 to Henry Ostrum, Clifford Bush
 BUSSMANN, Aloysius B.
U 2,434,391 January 13, 1948 Fence Knob
Bracket for electric fence insulator that is strong and easily attached to wooden post without damaging the post. Bracket has two spikes that secure it to the post.
BUSSMANN, Aloysius B.
Fence  
U Specimen known 2,540,608 February 6, 1951 Strain Insulator
U-shaped strain used to support the conductor from a fence post.
BUSSMANN, Aloysius B.
Strain  
 BUSSMANN, JR., Aloysius B.
U Specimen known 2,688,654 September 7, 1954 Insulator for Fence Posts
Knob for electric fence.
BUSSMANN, JR., Aloysius B.
Knob  
 BUXTON, Paul W.
U 1,939,760 December 19, 1933 Means for Suspending Porcelain Insulators
Means of connection suspension disks with internal threaded rings to receive external threaded connector from underneath disk
BUXTON, Paul W.
Suspension Wheeler Reflector Co.
 BUZBY, Joseph F.
U Specimen known 427,296 May 6, 1890 Insulator
CD 141.8 and CD 1037, self-tying with tapered pin hole & clamping flange
BUZBY, Joseph F.
Insulator  
U 782,000 February 7, 1905 Glass Mold
Mold specially designed to make the Buzby insulator CD 141.8
BUZBY, Joseph F.
Insulator  
 CAIN, George W.
U 218,708 August 19, 1879 Improvement in Lightning Conductors
Lightning rod supported by four twisted metal legs
CAIN, George W.
Lightning Rod  
 CALDWELL, John
U 879,033 February 11, 1908 Insulators for Electric Wires
Knob
CALDWELL, John
Knob  
 CALLAND, Otho G.
U 2,135,326 November 1, 1938 Method of Assembling Electric Insulators
Method of cementing metal cap on a suspension insulator to prevent excess cement at the joint and thus preventing electrical discharge from the excess cement
CALLAND, Otho G.
Suspension The Ohio Brass Co.
 CALLANE, Waldo E.
U 882,095 March 17, 1908 Wire Tie for Insulators
Tie wire clip
CALLANE, Waldo E.
Tie Wire  
 CALLENDER, Edwin F.
U 1,158,105 October 26, 1915 Insulating Tube
Wall tube with wedge projections (made by Illinois Electric Porcelain Co.)
CALLENDER, Edwin F.
Wall Tube 1/2 to Belle Callender
 CALROW, Richard
U 66,215 July 2, 1867 Improvement in Insulator Holders
Lightning rod insulator holder for glass insulator
CALROW, Richard
Lightning Rod Insulator  
 CALTRIDER, Samuel P.
U 2,712,567 July 5, 1955 Electric Fence Insulator
Electric fence insulator with bottom groove to fit around the iron post, bolt to secure to the iron post, and side groove to clip and secure the conductor wire.
CALTRIDER, Samuel P.
Electric Fence  
 CALVIN, James E.
U 704,172 July 8, 1902 Insulator
Self-tying screw top
CALVIN, James E.
Self-tying Screw Top 1/2 to Enos Cochran
 CAMPBELL, John H.
U 972,994 October 18, 1910 Insulator
Insulator base curve to fit flush with matching curved top of crossarm
CAMPBELL, John H.
Insulator  
 CAPEWELL, William H.
U 254,610 March 7, 1882 Insulator for Telegraph Wires
Cleat - self-tying by means of two insulating blocks
CAPEWELL, William H.
Cleat  
 CARD, Charles S.
U 2,111,505 March 15, 1938 Method of Making a Forged Clamp
Method of making the curved dead-end clamp described in patent 1,901,345.
CARD, Charles S.
Suspension The Brewer-Titchener Corp.
 CARL, Nelson
U 128,534 July 2, 1872 Improvement in Combined Fire Extinguishers and Lightning Rods
Perforated water pipes running the crest of the building with lightning rods attached for the purpose of extinguishing a fire
CARL, Nelson
Lightning Rod Extinquisher 1/2 to Martin Baxter
 CAROLUS, Max
U 1,398,937 November 29, 1921 Suspension Insulator
A suspension insulator with pressed on metal cap and special pin that does not require cement.
CAROLUS, Max
Suspension  
 CARPENTER, Alexander
U 1,538,238 May 19, 1925 Machine for Assembling Insulator Knobs
Machine for assembling nail-knobs, inserting the nail and crimping it so the nail cannot be removed, thus holding the parts together.
CARPENTER, Alexander
Manufacturing C. A. C. Automatic Machine Co.
 CARPENTER, John
TONN, Charles
U 626,592 June 6, 1899 Insulator
Self-tying screw top
CARPENTER, John
TONN, Charles
Self-tying Screw Top  
 CARR, James A.
U Specimen known 2,553,747 May 22, 1951 Method and Means for Transposing Open-Wire Lines
Method of transposing wires
CARR, James A.
Transposition Bell Telephone Laboratories, Inc.
 CARROLL, Charles F.
U 547,660 October 8, 1895 Insulator Pin and Insulator
Pin through crossarm for insulator top & bottom of crossarm
CARROLL, Charles F.
Pin 1/2 to Thomas Scott
 CARROLL, Harry L.
U 1,042,199 October 22, 1912 Wire Clamp
Tie wire loop and lever
CARROLL, Harry L.
Tie Wire  
 CARTER, Edwin
U 997,269 July 11, 1911 Insulator Pin or Bracket Machine
Machine for making wooden insulator pins
CARTER, Edwin
Pin/machine James E. Owen and Homer L. McNaughton
 CARTER, George W.
U 880,971 March 3, 1908 Insulator
Tie wire over top seat & through pin
CARTER, George W.
Tie Wire  
 CARTER, Taylor
U 746,671 December 15, 1903 Insulator
Self-tying via pivoted locking dogs
CARTER, Taylor
Self-tying Miscellaneous  
U 821,401 May 22, 1906 Insulator
Self-tying slot top
CARTER, Taylor
Self-tying Slot Top  
 CASE, Charles F.
U 542,924 July 16, 1895 House Wiring Fixture
Porcelain device to allow passage of electrical wires through plaster walls or ceiling
CASE, Charles F.
Miscellaneous  
 CASE, Francis M.
U 1,469,584 October 2, 1923 Tube Forming Machine
Machine for making porcelain wall tubes
CASE, Francis M.
Wall Tube Federal Porcelain Co.
U 1,589,939 June 22, 1926 Nail Knob Assembly
Machine to manufacture nail-knobs
CASE, Francis M.
Knob Federal Porcelain Co.
U 1,589,940 June 22, 1926 Nail Knob Assembling and Securing Machine
Machine to manufacture nail-knobs
CASE, Francis M.
Knob Federal Porcelain Co.
 CASE, Rogers
U 2,356,750 August 29, 1944 Wire Transposing Device
Transposition bracket using spools for carrier telephone circuits
CASE, Rogers
Transposition  
U 2,406,663 August 27, 1946 Wire Transposing Device
Transposition bracket using spools for carrier telephone circuits
CASE, Rogers
Transposition  
U 2,436,789 March 2, 1948 Wire Transposing Device
Transposition bracket using spools for carrier telephone circuits
CASE, Rogers
Transposition  
U Specimen known 2,437,593 March 9, 1948 Reinforced Wire-Contacting Insulator Assembly
Transposition bracket using spool insulators
CASE, Rogers
Transposition  
U 2,455,227 November 30, 1948 Wire Transposing Device
Transposition midspan bracket, 2 rotatable CD 1049 spools
CASE, Rogers
Transposition Transadean Associates, Inc.
U Specimen known 2,455,228 November 30, 1948 Transposition Bracket
Transposition 4-spool bracket (see 2,455,229 and 2,655,553)
CASE, Rogers
Transposition Transadean Associates, Inc.
U Specimen known 2,455,229 November 30, 1948 Transposition Bracket
Transposition bracket for fixed mounting on support
CASE, Rogers
Transposition Transadean Associates, Inc.
U 2,500,927 March 21, 1950 Insulator Pin
Pin that is light-weight composed of magnesium and aluminum
CASE, Rogers
Pin Transadean Associates, Inc.
U 2,500,928 March 21, 1950 Insulator Support
Pin that is light-weight composed of magnesium and aluminum with split end
CASE, Rogers
Pin Transadean Associates, Inc.
U Specimen known 2,655,553 October 13, 1953 Line Transposition Bracket with Reinforcing Gussets
Transposition bracket (see 2,455,228)
CASE, Rogers
Transposition  
U 2,717,274 September 6, 1955 Transposition Bracket
Transposition bracket
CASE, Rogers
Transposition Transadean Associates, Inc.
 CASE, JR., Rogers
U 2,862,990 December 2, 1958 Combination Point and Span Transposition Bracket
Transposition and span bracket for carrier circuits
CASE, JR., Rogers
Transposition  
 CASLOW, William H.
U 1,178,383 April 4, 1916 Insulator
Self-tying cylindrical insulator with slot for line wire and bracket that fits around the insulator to hold the wire in place
CASLOW, William H.
Self-tying Miscellaneous  
 CASTLE, A. H.
U 79,951 July 14, 1868 Improvement in Insulators
Hook, improvement on 75,365
CASTLE, A. H.
Hook  
 CASTLE, Alfred H.
U 75,365 March 10, 1868 Improvement in Insulators
Hook and block inserted in a bracket
CASTLE, Alfred H.
Hook  
 CATLIN, Abel D.
U Specimen known 449,773 April 7, 1891 Insulator Pin Machine
Machine to make wooden pins (see 701,739)
CATLIN, Abel D.
Pin/machine K. L. Catlin and Lane Lyle
 CATLIN, Abel Delancy
U Specimen known 701,539 June 3, 1902 Insulator Pin Machine
Machine for making wooden pins (see 449,773)
CATLIN, Abel Delancy
Pin/machine  
 CAUVET, Louis A.
U Specimen known 48,906 July 25, 1865 Improvement in Insulators for Telegraph Wires
Threads formed internally for screw pin (see reissue 3,847 on 2-22-1870)
CAUVET, Louis A.
Thread  
R Specimen known 3,847 February 22, 1870 Improvement in Insulators
Threads formed internally for screw pin (reissue of 48,906)
CAUVET, Louis A.
Thread  
 CHADWICK, Lee S.
U 1,246,879 November 20, 1917 Valve
Kerosene jar valve
CHADWICK, Lee S.
HU The Cleveland Metal Products Co.
U 1,299,914 April 8, 1919 Dispensing Receptacle
Kerosene jar
CHADWICK, Lee S.
HU The Cleveland Metal Products Co.
 CHAFFIN, George W.
U 998,073 July 18, 1911 Electric Insulator
Pin, metal split, hollow threads and cushion material in the split
CHAFFIN, George W.
Pin  
 CHAMBERLAIN, Wilbur L.
U 989,231 April 11, 1911 Insulator Support
Knob bracket
CHAMBERLAIN, Wilbur L.
Knob  
 CHAMBERS, Josephus C.
U Specimen known 194,220 August 14, 1877 Improvement in Lightning Rods and Insulators
CD 317 lightning rod insulator and spiral lightning rod
CHAMBERS, Josephus C.
Insulator  
U Specimen known 224,504 February 10, 1880 Insulated Cresting
Lightning rod insulators (CD 317) used in roof cresting system
CHAMBERS, Josephus C.
Lightning Rod Insulator Chambers National Lightning Protection Co.
U 234,173 November 9, 1880 Mode of Protecting Oil Tanks from Lightning or Fire
Method of protecting oil tanks with lightning rods using CD 317 (see 194,220 and 224,504)
CHAMBERS, Josephus C.
Lightning Rod Chambers National Lightning Protection Co.
U Specimen known 289,890 December 11, 1883 Telegraph and Telephone Conductor
Lightning rod insulator system to protect telephone lines from cross talk
CHAMBERS, Josephus C.
Lightning Rod Insulator Vine, Jackson, Gridley
U 289,891 December 11, 1883 Telegraph and Telephone Cable
Lightning rod insulator system to protect telephone lines from cross talk
CHAMBERS, Josephus C.
Lightning Rod Insulator Vine, Jackson, Gridley
 CHAMBLESS, Young J.
LEE, Ammie L.
U 1,530,298 March 17, 1925 Knob
Knob with side grooves
CHAMBLESS, Young J.
LEE, Ammie L.
Knob  
 CHAPMAN, Thomas L.
U 281,452 July 17, 1883 Telegraph Insulator
Insulator with side bracket (see OBX March 1973, p. 43)
CHAPMAN, Thomas L.
Insulator  
 CHARLTON, Robert W.
U Specimen known 1,521,433 December 30, 1924 Indicating Insulator
Knob
CHARLTON, Robert W.
Knob  
 CHERRY, George L.
VEALE, Charles C.
U 2,415,462 February 11, 1947 Ceramic Molding Press
Vacuum molding of clay articles such as insulators. This may be the patent used by Locke to make their ""vacuum dry pressing"" porcelain insulators.
CHERRY, George L.
VEALE, Charles C.
Press Western Electric Co.
 CHERTKOF, Jack O.
U 2,198,450 April 23, 1940 Light Transmitting Structure
Skylight construction using glass blocks
CHERTKOF, Jack O.
OU  
 CHESNEY, Cummings C.
U 751,459 February 9, 1904 Line Insulator
Odd arrangement of two ribbed spools supporting a third ribbed spool to support the line wire
CHESNEY, Cummings C.
Miscellaneous  
U Specimen known 761,760 June 7, 1904 Insulator
Multipart lily shell design (M-3740)
CHESNEY, Cummings C.
Insulator Stanley Electric Mfg. Co.
U 771,297 October 4, 1904 Insulator
Oil reservoir for transformer insulator
CHESNEY, Cummings C.
Oil Stanley Electric Mfg. Co.
 CHESTER, Stephen
U Specimen known 114,924 May 16, 1871 Improvement in Telegraph Insulators
CD 158.1 with metal ring with fingers to hold wire
CHESTER, Stephen
Insulator  
 CHEYNEY, Waldron J.
U Specimen known 64,196 April 30, 1867 Improvement in the Manufacture of Porcelain
Mixing cryolite, chiolite, and fluellite with sand and other common compounds for making glass in order to make a substance that looks similar to porcelain, but is actually glass that can be cast and formed like glass.
CHEYNEY, Waldron J.
Haley Insulator  
 CHILCOTE, Ray A.
U 2,005,494 June 18, 1935 Glass Feeder
Glass feeder
CHILCOTE, Ray A.
McLaughlin 1/2 to McLaughlin Glass Co.
 CHILDRESS, Thornten D.
U 996,312 June 27, 1911 Insulator
Cleat - clamp type
CHILDRESS, Thornten D.
Cleat  
 CHINNOCK, Charles E.
U 224,580 February 17, 1880 Induced Current Guard for Electrical Conductors
Pre-transposition technique to eliminate induced current on telephone and telegraph wires
CHINNOCK, Charles E.
Transposition  
 CHRISTENSEN, John
U 1,000,493 August 15, 1911 Insulator for Electric Railway Cars
Spool type insulator to suspend electrical equipment from electric train cars
CHRISTENSEN, John
Miscellaneous  
 CHUBBUCK, H. Eugene
U Specimen known 436,120 September 9, 1890 Insulator Bracket
Bracket of metal with split threads
CHUBBUCK, H. Eugene
Bracket  
 CIPRIANI, Chester C.
STARK, Charles H.
U 2,996,845 August 22, 1961 Structural Panel and Building Wall Construction Utilizing Same
Panellized glass block wall construction
CIPRIANI, Chester C.
STARK, Charles H.
KI Kimble Glass Co.
U 3,084,483 April 9, 1963 Method of Sealing Panelized Curtain Wall Assembly
Method of sealing prefabricated glass block walls
CIPRIANI, Chester C.
STARK, Charles H.
OI Owens-Illinois Glass Co.
 CLABBURN, Robin
LOOMS, John
U 4,845,318 July 4, 1989 Composite Electrical Insulator and Method of Forming Same
Polymer suspension with porcelain core
CLABBURN, Robin
LOOMS, John
Polymer Raychem Limited
 CLAPPER, Ralph A.
D 46,862 January 19, 1915 Design for an Insulator
Miscellaneous insulator
CLAPPER, Ralph A.
Misc  
 CLARK, Colin H. W.
U 3,243,505 March 29, 1966 Insulator Having Semi-Conductive Layers to Increase the Capacitance Thereof
Fog type suspension with conductive layers on top and bottom of disk
CLARK, Colin H. W.
Fog Steatite and Porcelain Products, LTD.
 CLARK, Eduard
U 306,718 October 21, 1884 Insulator
Wooden block with wire projections for holding wire
CLARK, Eduard
Wood  
U 306,719 October 21, 1884 Insulator
Wooden block with wire projections for holding wire
CLARK, Eduard
Wood  
 CLARK, Robert L.
U 1,358,521 November 9, 1920 Device for Attaching Wires to Insulators
Tie wire using a double loop of wire
CLARK, Robert L.
Tie Wire  
 CLARK, Walter G.
U 810,618 January 23, 1906 Insulator Clamp
Clamp for crown of multipart insulator
CLARK, Walter G.
Clamp  
U 842,941 February 5, 1907 Insulator
Multipart insulator with groove on one side and bracing pin to hold against the strain of the line wire
CLARK, Walter G.
Multipart  
U 843,258 February 5, 1907 Insulator Clamp
Clamp type metal cable holder
CLARK, Walter G.
Clamp Type The Clark Electric & Mfg. Co.
U 843,259 February 5, 1907 Insulator
Clamp type metal cable holder
CLARK, Walter G.
Clamp Type The Clark Electric & Mfg. Co.
U 851,222 April 23, 1907 Insulator Clamp
Clamping device to hold conductor cable in crown groove (used on M-3740)
CLARK, Walter G.
Insulator The Clark Electric & Mfg. Co.
U 884,641 April 14, 1908 Hanging Insulator
Suspension with multipart shells and cable clamp
CLARK, Walter G.
Suspension  
U 918,127 April 13, 1909 Insulator
miscellaneous - specially shaped crown slot to hold wire
CLARK, Walter G.
Miscellaneous  
U 946,722 January 18, 1910 Insulator Clamp
Replacement for a tie wire consisting of a curved or looped bolt and metal strap to bolt on the insulator and clamp the line wire securely
CLARK, Walter G.
Tie Wire  
U 1,040,620 October 8, 1912 Insulator Clamp
Clamp, metal to secure conductor to insulator
CLARK, Walter G.
Clamp  
 CLARK, William H.
U 482,297 September 6, 1892 Electric Insulator
Threaded externally with saddle groove and square hole
CLARK, William H.
Thread  
 CLARKE, Edward H.
U 502,614 August 1, 1893 Cleat for Insulated Wires
Cleat - 2 piece
CLARKE, Edward H.
Cleat 1/2 to Solomon Eaton
 CLAYDON, Charles
U Specimen known 725,044 April 14, 1903 Insulator
Tree insulator composed of a ball of glass with embedded wire loops
CLAYDON, Charles
Tree  
 CLEVELAND, John S.
KENT, George F.
U 307,916 November 11, 1884 Insulator
Blocks held by mortised metal tube to hold wire
CLEVELAND, John S.
KENT, George F.
Block  
 CLEVELAND, William B.
U 391,512 October 23, 1888 Electric Switch
Wooden switch (Brown p. 21)
CLEVELAND, William B.
Wood  
 CLIGNET, Georges
U 2,843,973 July 22, 1958 Apparatus Used in Compression Molding of Objects of Glass and Like Material
Insulator press
CLIGNET, Georges
Press Verreries Charbonneaux
 CLINE, Jerome G.
D 49,204 June 20, 1916 Design for an Insulator Body
Square insulator with larger square flange on top and threaded opening in top for bolt
CLINE, Jerome G.
Misc  
 COCHRAN, Paul B.
U 1,764,434 June 17, 1930 Insulator
Wood strain insulator with coating such as rubber over the metal ends and extending only a short distance to prevent burning the insulator from corona
COCHRAN, Paul B.
Strain Westinghouse Electric & Mfg. Co.
 COCHRANE, Harry H.
U Specimen known 1,194,957 August 15, 1916 Insulator
Cochrane Bell suspension.
COCHRANE, Harry H.
Suspension  
 COCHRANE, Samuel S.
KADOW, August
U 1,949,898 March 6, 1934 Building Block
Various forms of glass window block
COCHRANE, Samuel S.
KADOW, August
OI Owens-Illinois Glass Co.
 CODINGTON, Ayres
U 119,323 September 26, 1871 Improvement in Lightning Rod Connections
Lightning rod coupling using a round metal disk with radial threaded holes
CODINGTON, Ayres
Lightning Rod Coupling  
 COE, Henry L.
U 173,905 February 22, 1876 Improvement in Lightning Rods
Lightning rod made of sealed tubular metal with indentions running around the outside as the threads of a screw adding strength and allowing easy joining of sections
COE, Henry L.
Lightning Rod The Manhattan Brass Co.
 COLE, James W.
KNUDSEN, Henry
U 332,383 December 15, 1885 Lightning Rod Stand
Tripod stand for lightning rod with brackets to hold the rod
COLE, James W.
KNUDSEN, Henry
Lightning Rod James W. Cole
 COLE, James W.
U 362,062 May 3, 1887 Multiple Subsidiary Ground Terminal for Lightning Rods
Lightning rod ground with multiple ground wire to spread current into ground
COLE, James W.
Lightning Rod Ground  
 COLE, John A.
U 684,909 October 22, 1901 Insulating Bushing
Bushing
COLE, John A.
Bushing  
 COLE, John J.
U 185,430 December 19, 1876 Improvement in Lightning Rods
Lightning rod with flat face to fit flush against a building and ribbed on the opposite side
COLE, John J.
Lightning Rod  
U 229,382 June 29, 1880 Lightning Rod
Lightning rod supported by three twisted metal legs tha attached to the roof
COLE, John J.
Lightning Rod  
U 510,837 December 12, 1893 Lightning Rod Ornament
Lightning rod ornamental ball with bushing to secure the ball around the rod
COLE, John J.
Lightning Rod Ornament  
 COLE, Robert S.
U 175,933 April 11, 1876 Improvement in Lightning Rods
Lightning rod made of sheet iron folded over wires with sections joined with slip joints
COLE, Robert S.
Lightning Rod  
U 183,370 October 17, 1876 Improvement in Lightning Rods
Lighning rod connecting sleeve to ground point to allow rainwater to wet the ground around the point and flanges to dissipate the charge
COLE, Robert S.
Lightning Rod  
 COLE, William H.
U 1,882,486 October 11, 1932 Insulator
Tree hanger grips the wire like a hand
COLE, William H.
Tree  
 COLLINS, George
PIPER, Enoch
U 34,105 January 7, 1862 Improvement in Pumps
Glass Pump Cylinder
COLLINS, George
PIPER, Enoch
HU  
 COLLINS, Howard W.
RUIZ, Eloy
U 1,989,634 January 29, 1935 Glass Tile and Building Block
Blocks and tiles made with colored surfaces
COLLINS, Howard W.
RUIZ, Eloy
OI Owens-Illinois Glass Co.
 COLLINS, Joseph
U 549,443 November 5, 1895 Electric Supporting Insulator
Knob
COLLINS, Joseph
Knob  
 COLLINS, Reuben G.
FOLEY, Frank W.
U 544,959 August 20, 1895 Insulator
Wire sheath fit in insulator groove
COLLINS, Reuben G.
FOLEY, Frank W.
Wire  
 CONE, William S.
U 947,885 February 1, 1910 Insulator
Suspension insulator and clamp support system
CONE, William S.
Suspension  
 CONKLIN, JR., Joseph I.
U 126,027 April 23, 1872 Improvement in Insulators for Telegraph Wires
Rubber coated flattened pin coated with mica for porcelain insulator with a cap
CONKLIN, JR., Joseph I.
Rubber  
 CONNELL, James R.
U 1,125,064 January 19, 1915 Lightning Rod Fastener
Flat spring metal clip easily fastened to walls with screws and lightning rod snaps into the clip for easy installation
CONNELL, James R.
Lightning Rod Wisconsin Iron and Wire Works
 CONNOR, Paul D.
U 243,513 June 28, 1881 Device for Deadening Sound Vibrations of Telegraph Wires
Sound deadening device to prevent humming of telegraph wires
CONNOR, Paul D.
Miscellaneous  
 CONOVER, Chauncey E.
U Specimen known 479,134 July 19, 1892 Insulator
Self-typing nail-knob with arm that secures the wire
CONOVER, Chauncey E.
Knob  
 CONOVER, Chauncy E.
U 520,412 May 29, 1894 Insulator
Self-tying cylindrical cleat
CONOVER, Chauncy E.
Self-tying Miscellaneous  
 CONRAD, Stonewall Jackson
U 912,364 February 16, 1909 Insulator for Electrically Charges Wires
Tube for routing wires through wood with spring clip attached to the outside of the tube to prevent the tube from slipping out.
CONRAD, Stonewall Jackson
Wall Tube  
 CONVERSE, Vernon G.
D Specimen known 30,637 April 25, 1899 Design for an Insulator
CD 249, CD 282, CD 283, CD 303.5 ""Provo"" insulator
CONVERSE, Vernon G.
Pin-type Hemingray Glass Co.
U Specimen known 701,847 June 10, 1902 Insulator
CD 317.8, CD 313 & CD 313.1 stacking glass sections
CONVERSE, Vernon G.
Insulator Hemingray ????
U Specimen known 701,848 June 10, 1902 Insulator
Stacking glass sections with sections fused or cemented together
CONVERSE, Vernon G.
Stack Hemingray ????
U Specimen known 735,212 August 4, 1903 Insulator
CD 317.7, insulator with glass sleeve (CD 314)
CONVERSE, Vernon G.
Insulator  
 CONWAY, Thomas J.
U 849,461 April 9, 1907 Glass Press
Glass press
CONWAY, Thomas J.
Press  
 COOK, Harry A.
U 1,169,011 January 18, 1916 Insulator
Glass insulator with internal reinforcement for strength
COOK, Harry A.
Glass  
 COOK, William A.
U 1,090,686 March 17, 1914 Insulator Clamp
Self-tying via clamp
COOK, William A.
Self-tying Miscellaneous  
 COOK, William S.
U 1,672,059 June 5, 1928 Insulator
Multipart cement joint with alternating elastic bands & coated surfaces
COOK, William S.
Multipart  
U Specimen known 1,688,411 October 23, 1928 Electrical Insulator
Crown cable & tie wire groove arced to reduce stress from wire/cable
COOK, William S.
Crown  
 COOLIDGE, Joseph R.
U 1,556,570 October 6, 1925 Impregnated Wood and Process of Treating Wood
Treating wood pins and the like under high temperature with Montan wax and a solvent that penetrates the grain and protects it from weather and decay
COOLIDGE, Joseph R.
Pin Montan, Inc.
 COON, James H.
U 274,564 March 27, 1883 Lightning Conductor
Lightning rod system using funnels with points and gutter type downcomers to ground
COON, James H.
Lightning Rod  
 COOPER, John A.
U 868,530 October 15, 1907 Telegraph and Telephone Insulator
Hanger type with slots for two wires
COOPER, John A.
Hanger  
 COPELAND, Herschel P.
D 31,861 November 21, 1899 Design for a Ring Insulator
Ring wire holder (see ID 5165)
COPELAND, Herschel P.
Misc  
 CORNELIUS, Samuel S.
U 1,011,164 December 12, 1911 Insulator
Clamp type
CORNELIUS, Samuel S.
Clamp Type  
 CORNOG, Isaac P.
U 419,642 January 21, 1890 Insulator for Electric Wires
Split ring with split ring holder and lag screw
CORNOG, Isaac P.
Split  
 COTTON, Charles S.
U 1,525,229 February 3, 1925 Means for Mounting Insulator Pins
Steel pin and bracket for mounting on a crossarm with a clamping system not dependent on the size of the crossarm
COTTON, Charles S.
Pin  
 COTTRELL, Herbert
U 297,677 April 29, 1884 Device for Attaching Telegraph Wires to Posts and Insulating Them Therefrom
Steel pin with lag screw and holder for insulator
COTTRELL, Herbert
Pin  
 COTY, John T.
U 176,739 May 2, 1876 Improvement in Lubricators
Improvement in lubricators
COTY, John T.
HU  
U 199,264 January 15, 1878 Improvement in Metallic Necks for Glass Vessels
Metallic neck for glass vessel
COTY, John T.
HU  
 COUGHLIN, John J.
U 362,477 May 3, 1887 Electric Police Call Alarm Box
Police call alarm box with a key
COUGHLIN, John J.
Alarm Box 3/4 to Hern, Prendergast, Oakman
 COUNSELLOR, JR., Edward D.
U 2,552,522 May 15, 1951 Device for Inspecting Transparent Threaded Glass Articles Such as Insulators
Insulator inspection device for dark amber insulators
COUNSELLOR, JR., Edward D.
Manufacturing Armstrong Cork Co.
 COURTENAY, George L.
U 796,501 August 8, 1905 Conductor Rail Holder for Electric Railways
Third rail insulator and metal clips and rail holder
COURTENAY, George L.
Third Rail  
 COURTENAY, William
U Specimen known 664,470 December 25, 1900 Construction for Third Rail Electric Railways
Third rail insulator, support, and fastening device. Insulator was made by the Reconstructed Granite Co. as shown in their advertisement in EWE dated April 15, 1905.
COURTENAY, William
Third Rail  
U 802,498 October 24, 1905 Retaining Clip for Third Rail Insulators
Retaining clip for third rail insulators to secure the rail.
COURTENAY, William
Third Rail  
 COUSENS, Alfred C.
U 506,002 October 3, 1893 Insulating Support for Metallic Circuits
Oil cup insulator to support short crossarm for two insulators
COUSENS, Alfred C.
Oil Charles Stone
 CRABBE, Edward
U 973,409 October 18, 1910 Insulated Hanger
Tree hanger comprised of cylinder with center groove
CRABBE, Edward
Tree  
 CRABTREE, Lawrence L.
RIPLEY, T. Charley
U 1,047,176 December 17, 1912 Cross Arm
Crossarm stamped out of sheet metal and easy to install
CRABTREE, Lawrence L.
RIPLEY, T. Charley
Crossarm  
 CRAMER, Walter
U 1,894,292 January 17, 1933 Strain Insulator
Helical strain insulator
CRAMER, Walter
Helical Locke Insulator Corp.
 CRAWFORD, JR., George W.
U 980,495 January 3, 1911 Wire Retainer and Insulator Guard
Self-tying via wire retainer & insulator guard
CRAWFORD, JR., George W.
Self-tying Miscellaneous  
 CREAGER, Frank O.
U 536,684 April 2, 1895 Self-Locking Cleat for Electric Wiring
Cleat - self-tying
CREAGER, Frank O.
Cleat  
 CREAGHEAD, Thomas J.
U 878,870 February 11, 1908 Insulator Support
Pin with metal shank and bolt
CREAGHEAD, Thomas J.
Pin  
 CREAMER, William H.
U 1,263,746 April 23, 1918 Insulator
Self-tying screw top with slotted pin for holding wire
CREAMER, William H.
Self-tying Screw Top  
 CREIGHTON, Elmer
U 1,360,896 November 30, 1920 Cemented Insulator
Multipart cementing procedure evacuate air from cement, coat with tar
CREIGHTON, Elmer
Multipart General Electric Co.
 CREIGHTON, Melvin
U 1,467,922 September 11, 1923 Lightning Rod
Lightning rod for roof peaks with Y-shaped connector bolted below the conductor and nailed to the roof
CREIGHTON, Melvin
Lightning Rod  
 CREIGHTON, Theodore
U Specimen known 450,708 April 21, 1891 Insulator
Lightning rod insulator
CREIGHTON, Theodore
Lightning Rod Insulator  
 CREMER, August C.
MOLANDER, Gustaf F.
U 1,097,392 May 19, 1914 Battery Box Support and Insulator
Battery rest insulator with screw to hold under foot of table
CREMER, August C.
MOLANDER, Gustaf F.
Battery  
 CRIPE, Earnest C.
U 1,808,595 June 2, 1931 Lightning Rod Coupler
Lightning rod coupling with either male or female threads that is square and fits over and crimped to end of rods
CRIPE, Earnest C.
Lightning Rod Coupling  
 CRONIN, Jeremiah
U 1,061,823 May 13, 1913 Tie Wire for High Voltage Circuits
Tie wire for high voltage multipart insulators that can be changed safely with power still on
CRONIN, Jeremiah
Tie Wire The Cronin Electrical Appliances Co.
 CROSBY, Noble Wellington
U Specimen known 2,466,083 April 5, 1949 Wire Holding Device
Metal strip with alternating slots or ribs to allow the insulated wire to be wrapped in and out of the slots or ribs to securely hold the wire without damaging the insulation covering. One end of the metal strip is fixed to allow it to hang at various angles needed to drop the wire to a building. Lou Hall has a pair of them that are stamped: VINE GRIP followed by PAT. CAN 1949/U.S.A. #2466083
CROSBY, Noble Wellington
Wire Holder Crosby Brothers Manufacturing Co.
 CROSKEY, Carl D.
ROWLAND, Davidge H.
U 2,250,044 July 22, 1941 Insulator
Multipart insulator with glazed sanded surfaces to improve strength of cap
CROSKEY, Carl D.
ROWLAND, Davidge H.
Multipart Locke Insulator Corp.
U Specimen known 2,287,976 June 30, 1942 Insulator
Glaze - compression glaze & sand joint
CROSKEY, Carl D.
ROWLAND, Davidge H.
Glaze Locke Insulator Corp.
 CROSKEY, John H.
U 742,601 October 27, 1903 Glass Finishing Apparatus
Press for making glassware
CROSKEY, John H.
Press  
U 742,602 October 27, 1903 Method of Finishing Glassware
Press for making glassware
CROSKEY, John H.
Press  
U 817,835 April 17, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 817,836 April 17, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 820,477 May 15, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 820,478 May 15, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 820,479 May 15, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 840,994 January 8, 1907 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 852,932 May 7, 1907 Charging Mechanism for Glass Molds
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 881,096 March 3, 1908 Glass Gathering Apparatus
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
 CROSSLEY, Joseph
U 473,497 April 26, 1892 Pug Mill
Pug mill for extruding clay
CROSSLEY, Joseph
Pug Mill  
U 474,496 May 10, 1892 Apparatus for Molding Earthenware, &c.
Press to form lateral indentions or wire grooves around the side of the insulator to such as for standard porcelain knobs
CROSSLEY, Joseph
Press  
U 533,212 January 29, 1895 Combined Jigger and Pulldown
Press or jigger gearing and mechanism for forming earthen ware articles such as dishes and pottery
CROSSLEY, Joseph
Press  
U 772,132 October 11, 1904 Filter Cloth
Design of filter cloth for filter press that reduces the water content of clay
CROSSLEY, Joseph
Filter Press  
 CROUNSE, Albert B.
RUTLEDGE, Charles A.
U 519,446 May 8, 1894 Trolley Wire Hanger
Glass oil insulator used in trolley wire hanger
CROUNSE, Albert B.
RUTLEDGE, Charles A.
Oil  
 CROWELL, Ezra
DAWSON, Elisha C.
U 269,018 December 12, 1882 Protecting Apparatus for Buildings
Lightning rod system with adjustable supports at ground level
CROWELL, Ezra
DAWSON, Elisha C.
Lightning Rod  
 CROWLEY, Henry L.
HOSSENLOPP, Arthur M.
U 2,582,922 January 15, 1952 Apparatus for Molding Articles
Press that can be adapted for insulator manufacture
CROWLEY, Henry L.
HOSSENLOPP, Arthur M.
Press Henry L. Crowley & Co., Inc.
 CULLEN, Beauregard
U 726,651 April 28, 1903 Electric Wire Support
Glass insert in crossarm to insulate a steel pin that supports the conductor
CULLEN, Beauregard
Pin  
U 746,469 December 8, 1903 Electrical Wire Support
Wire support of cylindrical shape & metal support bolt to underhang wire
CULLEN, Beauregard
Wire  
 CULLIGAN, Charles A.
U 1,280,172 October 1, 1918 Insulator Protector
Protective shield surrounding the insulator to protect it from damage.
CULLIGAN, Charles A.
Protective Shield  
 CUNNINGHAM, Edward Robert
U 1,193,521 August 8, 1916 Wire Hanger
Wire hanger for catenary suspension of trolley wires
CUNNINGHAM, Edward Robert
Wire Hanger  
 CUNNINGHAM, Robert A.
CROWELL, David F.
U 184,509 November 21, 1876 Improvement in Telegraph Insulators
Self-tying head with threaded end to screw into pole
CUNNINGHAM, Robert A.
CROWELL, David F.
Self-tying Miscellaneous  
 CURNUTT, John Z.
LLOYD, Eldon E.
U 1,061,824 May 13, 1913 Lightning Rod
Lightning rod point made of sheet metal formed in two halves, bend around the conductor, and clipped together to form a hole rod
CURNUTT, John Z.
LLOYD, Eldon E.
Lightning Rod Point  
 CURRIE, Stanley C. C.
U Specimen known 438,532 October 14, 1890 Insulating Appliance for Electric Batteries
Battery jar and large battery rest insulator with upturned cup to hold insulating fluid. Some think the rods (a2) that hold the plates apart are the glass U-shaped ""rods"" known in the hobby, but there is no evidence of this in the patent.
CURRIE, Stanley C. C.
Battery The United Gas Improvement Co.
 CURRY, William J.
ANDREWS, William A.
U 1,177,996 April 4, 1916 Insulator
Knob with two nail holes
CURRY, William J.
ANDREWS, William A.
Knob  
 CURTI, John E.
U 1,214,652 February 6, 1917 Lightning Rod Structure
Tubular lightning rod points with Y-shaped attachment to conductor by means of a sheet metal connector folded at various points during installation to secure the rod to the conductor
CURTI, John E.
Lightning Rod  
 CUSHMAN, S. D.
U 52,541 February 13, 1866 Improvement in Lightning Rods
Lightning rod with four ribs where halves with two ribs slide together to make any desired length
CUSHMAN, S. D.
Lightning Rod  
 CUSHMAN, Sylvanus D.
U 112,426 March 7, 1871 Improvement in Lightning Rods
Lightning rod made of three or more galvanized iron wires with copper wire laid over and in the grooves between the iron wires to form a metal rope
CUSHMAN, Sylvanus D.
Lightning Rod  
 CUTLER, Henry H.
U 386,111 July 17, 1888 Electric Wire Insulator
Knobs paired to hold wire in trees
CUTLER, Henry H.
Knob  
 CUTTER, Scott C.
U Specimen known 758,175 April 26, 1904 Insulator
CD 1038 tree hanger
CUTTER, Scott C.
Insulator  
U 830,572 September 11, 1906 Clamp for Electrical Conductors
Clamp to connect the ends of conductors (also Canadian patent 104766, April 16, 1907)
CUTTER, Scott C.
Clamp  
U Specimen known 1,620,804 March 15, 1927 Insulator
Tree insulator bracket for CD 1038 (see 1,721,657)
CUTTER, Scott C.
Insulator  
U Specimen known 1,721,657 July 23, 1929 Insulator
Tree insulator (porcelain) improved with ribs - strengthening (see 1,620,804)
CUTTER, Scott C.
Tree  
 DADE, William A.
MORGAN, Richard E.
U 1,241,929 October 2, 1917 Insulator
Self-tying slot top and clip
DADE, William A.
MORGAN, Richard E.
Self-tying Slot Top  
 DAFT, Leo
U 320,631 June 23, 1885 Insulator for Tracks
Third rail insulator with rubber under the rail and below the insulator. The rail is bolted to the insulator.
DAFT, Leo
Third Rail  
U 320,632 June 23, 1885 Electric Conductor
Third rail insulator with rubber under the rail and below the insulator. The rail is bolted to the insulator.
DAFT, Leo
Third Rail  
U 320,633 June 23, 1885 Electric Conductor
Third rail insulator flared down away from the pin.
DAFT, Leo
Third Rail  
 DAHL-JENSEN, Jens Peter
U 1,204,745 November 14, 1916 Pressure Die for Insulator Pressing Molds
Insulator threading press
DAHL-JENSEN, Jens Peter
Press  
 DAILY, Floyd H.
U 2,222,810 November 26, 1940 Clamp for Connecting an Insulator to a Post
Electric fence with bracket to attach an easily adjustable insulator to a T-post
DAILY, Floyd H.
Fence  
 DALLAS, Charles D.
U 1,666,326 April 17, 1928 Lightning Rod
Lightning rod made of locked seam copper tubing that can be easily formed, wrapped around other rods and conductors, and with ends that slip together and readily riveted
DALLAS, Charles D.
Lightning Rod  
 DALTON, Rolland E.
D Specimen known 108,489 February 15, 1938 Design for an Electric Insulator
Standard Porcelain No. 57
DALTON, Rolland E.
Knob Porcelain Products, Inc.
 DANIELS, Eugene O.
U 377,742 February 14, 1888 Lightning Rod Attachment for Windmills
Lightning rod attached to windmills by means of a standard fixed rod and one that travels around with the windmill to keep the point in continuous contact with the rod conductor to ground
DANIELS, Eugene O.
Windmill  
 DANIELS, Eugene Ora
U 362,064 May 3, 1887 Lightning Rod
Lightning rod with holes in the upper end and lower end to allow air to to draft through
DANIELS, Eugene Ora
Lightning Rod  
 DANN, John E.
LAPP, John
U 343,014 June 1, 1886 Means for Preventing Disturbances on Telephone Lines
Pre-transposition technique to eliminate induced current on telephone and telegraph wires
DANN, John E.
LAPP, John
Transposition  
 DAVENPORT, Ransom W.
U 1,451,815 April 17, 1923 Rapid Decorating Firing Furnace or Kiln
Kiln for firing porcelain spark plug insulators
DAVENPORT, Ransom W.
Manufacturing Jeffery-Dewitt Co.
 DAVIS, Augustus G.
U 129,465 July 16, 1872 Improvement in Battery Insulators
Battery insulator shaped to fit hole in table & flat to support battery
DAVIS, Augustus G.
Battery  
 DAVIS, William M.
U 410,637 September 10, 1889 Insulator
Tie wire bridle for wire in insulator groove
DAVIS, William M.
Tie Wire  
 DAVY, John W.
U 421,819 February 18, 1890 Insulator
Blocks (2) to hold wire and pole system
DAVY, John W.
Block  
 DAY, Alfred B.
U 65,886 June 18, 1867 Improvement in Insulators for Telegraph Wires
Hook with wooden block, insulator with dead air space and wooden disk, glass lugs
DAY, Alfred B.
Hook  
 DE LONG, Harry A.
U 1,055,322 March 11, 1913 Insulator
Holes (2) through insulator to pin allows lightning to pass to pin & ground
DE LONG, Harry A.
Hole  
 DE MONTUFAR, Manuel
U 109,879 December 6, 1870 Improvement in Insulators for Telegraph Wires
Split insulator protected by metal cage
DE MONTUFAR, Manuel
Split  
 DE VAUGHN, Clyde T.
U 1,257,983 March 5, 1918 Insulator
Self-tying
DE VAUGHN, Clyde T.
Self-tying Miscellaneous  
 DEBLIEUX, Benjamin Noel
U 332,061 December 8, 1885 Telegraph Insulator
Self-tying two piece combination insulator and pin
DEBLIEUX, Benjamin Noel
Self-tying Miscellaneous  
 DECHANT, William H.
U Specimen known 105,656 July 26, 1870 Improvement in Cramp Hook for Telegraphic Wire Insulators
Hook with one prong opposite other (assigned to Brooks)
DECHANT, William H.
Hook David Brooks
 DECKER, John G.
U 1,382,483 June 21, 1921 Electric Line Wire Insulator
Self-tying slot top with circular slot
DECKER, John G.
Self-tying Slot Top  
 DEEM, Arthur S.
U 872,993 December 3, 1907 Insulator
Cleat
DEEM, Arthur S.
Cleat 1/2 to Issac Bear
 DEEMER, Henry C.
EUFINGER, Joseph W.
U 131,153 September 10, 1872 Improvement in Presses for Making Glass Insulators
Press for making insulator and threads
DEEMER, Henry C.
EUFINGER, Joseph W.
Press  
 DEHMEL, Richard C.
U 2,138,571 November 29, 1938 Insulator
Transposition for telephone line
DEHMEL, Richard C.
Transposition Bell Telephone Laboratories, Inc.
U 2,248,044 July 8, 1941 Transposition Insulator
Transposition insulator with channels for two line wires to cross over within the insulator
DEHMEL, Richard C.
Transposition Bell Telephone Laboratories, Inc.
 DELERY, Robert
U 585,026 June 22, 1897 Tieless Insulator
Self-tying screw top
DELERY, Robert
Self-tying Screw Top  
 DELLOYE, Lucien Henri
U 888,318 May 19, 1908 Third Rail Insulator
Third rail insulator with metal cap to secure the rail.
DELLOYE, Lucien Henri
Third Rail Societe Anonyme des Manufactures Des Glaces et Produits Chimiques de Saint-Gobain
 DEMOREST, David W.
U 120,251 October 24, 1871 Improvement in Lightning Rod Couplings
Lightning rods with interconnecting couplings
DEMOREST, David W.
Lightning Rod Coupling  
 DENNEEN, Francis S.
MEAD, George A.
U 1,034,888 August 6, 1912 Section-Insulator for Overhead Structures
Catenary arrangement using deadend spools
DENNEEN, Francis S.
MEAD, George A.
Catenary The Ohio Brass Co.
 DENNLER, August G.
U 944,259 December 28, 1909 Insulator
Self-tying miscellaneous
DENNLER, August G.
Self-tying Miscellaneous 1/3 to William Quigg
 DENVER, William J.
U 402,810 May 7, 1889 Supporting and Cross-Connecting Electric Wires
Transposition method using double crossarms with long and short pins
DENVER, William J.
Transposition  
 DESISLES, Leonard H.
U 539,040 May 14, 1895 Insulator
Cleat (ceiling) with metal clip (Electrical Engineer 1-30-1895 and 8-14-1895) It was referred to as the ""Simplest"" cleat and the Ideal cleat.
DESISLES, Leonard H.
Cleat 1/2 to Frederick Palmer
 DEVINE, William J.
U 869,163 October 22, 1907 Insulator
Cleat for corners
DEVINE, William J.
Cleat  
 DEWEY, Benjamin F.
U 2,481,729 September 13, 1949 Porcelain Insulator Body
Porcelain clay body with an increased firing range
DEWEY, Benjamin F.
Porcelain Lapp Insulator Co., Inc.
 DEWEY, Mark W.
U 414,943 November 12, 1889 Method of Utilizing Natural Electric Energy
Method of capturing electric energy from lightning rods and storing in a battery
DEWEY, Mark W.
Lightning Energy The Dewey Corp.
 DEWING, James
BENNETT, Delbert F.
U 373,393 November 15, 1887 Tool for Cutting Seats for Insulator Attachments for Musical Instruments
Tool for cutting circular slot in piano legs in order to insert the piano insulator.
DEWING, James
BENNETT, Delbert F.
Piano Insulator  
 DIBB, William
VICKERS, Albert
U 546,585 September 17, 1895 Insulator
Self-tying insulator (NOTI Insulator Co.)
DIBB, William
VICKERS, Albert
Self-tying Miscellaneous  
 DIBBLE, Clarence H.
U 2,072,201 March 2, 1937 Insulator and Method of Making It
Suspension, glass, coat crown with graphite prevents cement adhesion
DIBBLE, Clarence H.
Suspension Corning Glass Works
 DICKEY, Adam
U 187,827 February 27, 1877 Improvement in Fruit Jars
Fruit jar (Blackglass Royal)
DICKEY, Adam
HU  
 DICKEY, Ray S.
CARNAHAN, Paul A.
U 1,691,964 November 20, 1928 Insulator Locking Device
Pin with locking device to fit in threads to secure insulator
DICKEY, Ray S.
CARNAHAN, Paul A.
Pin  
 DIENNER, John A.
U 1,854,459 April 19, 1932 Insulator
Skirts upturned with drain holes
DIENNER, John A.
Skirt  
 DION, Francois Emile
U 2,684,228 July 20, 1954 Electric Line Stringing Device
Metal shaped like an open circle mounted temporarily on a corner pin to allow easy stringing of the line without possible injury to linemen.
DION, Francois Emile
Miscellaneous  
 DISBENNET, Charles
U 1,260,160 March 19, 1918 Insulator
Self-tying
DISBENNET, Charles
Self-tying Miscellaneous  
 DOBSON, Grant
U 900,917 October 13, 1908 Insulator
Self-tying miscellaneous
DOBSON, Grant
Self-tying Miscellaneous 1/2 to Richard Ohloff
 DODD, Thomas W.
U 1,070,948 August 19, 1913 Cable and Tube Coupling
Lightning rod coupling formed from sheet metal with flaps that fold over the conductor
DODD, Thomas W.
Lightning Rod Coupling  
U 1,140,582 May 25, 1915 Bracket for Lightning Rod Points
Support or bracket for lightning rod point made of flat copper that can be easily bent for installation
DODD, Thomas W.
Lightning Rod Dodd & Struthers
 DODD, West
U 630,334 August 8, 1899 Machine for Making Lightning Rods
Machine for making lightning rods that are easily bent to aid in installation
DODD, West
Lightning Rod Machine  
 DODGE, Thomas D.
U 282,449 July 31, 1883 Lightning Rod
Lightning rod made of twisted copper or iron rods with points along the length exactly like barbed wire
DODGE, Thomas D.
Lightning Rod  
U 289,076 November 27, 1883 Lightning Conductor
Lightning rod made of twisted copper or iron rods with points along the length similar to barbed wire
DODGE, Thomas D.
Lightning Rod  
 DODGE, Thomas H.
U 298,357 May 13, 1884 Lightning Conductor
Lightning rod system using barbed wire
DODGE, Thomas H.
Lightning Rod  
 DOELTER, Otto
U 1,707,054 March 26, 1929 Insulator
Strain type (impractical)
DOELTER, Otto
Strain  
 DOMONT, Ben
D 86,155 February 9, 1932 Design for a Bottle or the Like
Design for a Bottle (Sun Punch)
DOMONT, Ben
HU  
 DONALDSON, Robert S.
U 400,552 April 2, 1889 Telegraph Wire Carrier
Two spools mounted together to secure telegraph wire between them and mounted on a crossarm
DONALDSON, Robert S.
Spool  
 DONELLI, Benedetto Luigi
U 2,815,395 December 3, 1957 Radioactive Lightning Protector
Lightning rod with a porcelain insulator just below the point with bands of radioactive material on its surface and a much larger hollow metal spoked ring below with bands of radioative material on the surface
DONELLI, Benedetto Luigi
Lightning Rod  
 DOOLITTLE, Fred B.
U 2,947,801 August 2, 1960 Contamination and Moisture Resistant Insulator
A conductive coating used to generate heat to keep surface of the insulator dry
DOOLITTLE, Fred B.
Fog  
 DOOLITTLE, Thomas B.
U 297,683 April 29, 1884 Telephone Line
Insulator and pin coated with waterproof compound
DOOLITTLE, Thomas B.
Miscellaneous  
 DOREN, Dennis
U 126,038 April 23, 1872 Improvement in Fastening Telegraph Wires to Insulators
Tie wire with insulated sheath or saddle to insulate it from conductor
DOREN, Dennis
Tie Wire  
U 472,529 April 12, 1892 Insulator Support
Pin (metal) with wooden cob for glass insulators
DOREN, Dennis
Pin  
 DORFF, Conrad J.
U 890,891 June 16, 1908 Insulator Pin
Bracket to hold two insulators vertically
DORFF, Conrad J.
Bracket Fredric Greer
U 937,515 October 19, 1909 Insulator Pin
Pin (metal) with hollow threaded end
DORFF, Conrad J.
Pin Fredric Greer
 DOWNES, Louis W.
U Specimen known 650,602 May 29, 1900 Electric Fuse or Cut-Out
Screw type fuse holder
DOWNES, Louis W.
Fuse Holder  
 DOWNEY, George W.
U 446,130 February 10, 1891 Lightning Rod
Lightning rod made of sheet copper angularly bent and twisted into a spiral with corrugations between the angles
DOWNEY, George W.
Lightning Rod  
 DRAKE, William E.
U 883,303 March 31, 1908 Security Lightning Arrester
Lightning rod with multiple separate points arranged along the conductor on the edges of the roof
DRAKE, William E.
Lightning Rod Point  
 DRAPER, Oscar Mann
U 307,025 October 21, 1884 Electric Wire Supporter
Circular configuration of knobs to hold multiple conductors
DRAPER, Oscar Mann
Knob Himself, Albert Scranton Weaver, and Oscar N Bender
 DREW, Harry A.
U 886,774 May 5, 1908 Wire Tie
Tie wire consisting of a J-shaped wire looped on each end to secure it to the line wire
DREW, Harry A.
Tie Wire  
 DREW, Joseph
U 145,851 December 23, 1873 Improvement in Lightning Rods
Lightning rod made of tubular metal with annular corregations on each end that fitted together to connect two rod sections
DREW, Joseph
Lightning Rod  
 DRIGGS, Lorenzo J.
U 1,911,558 May 30, 1933 Insulator Pin
Steel pin with threads made of a spring coil
DRIGGS, Lorenzo J.
Pin Frank F. Winters
 DU BOIS, David Irvin
U 2,052,343 August 25, 1936 Plastic Forming Apparatus
Insulator press
DU BOIS, David Irvin
Press Whitall Tatum Co.
 DUFFIELD, Thomas C.
U 723,589 March 24, 1903 Machine for Producing Glass Insulators
Press for making insulators (Elmer Glass Co., transferred to Brookfield 1907)
DUFFIELD, Thomas C.
Press  
U 736,708 August 18, 1903 Machine for Producing Glass Bottles
Press for pressing glass bottles
DUFFIELD, Thomas C.
Press  
U 820,403 May 15, 1906 Bottle Mold
Bottle mold
DUFFIELD, Thomas C.
Mold  
U 820,404 May 15, 1906 Bottle Mold
Bottle mold
DUFFIELD, Thomas C.
Mold  
 DUFFY, John F.
HERSHEY, Henry B.
U 689,171 December 17, 1901 Insulator
Insulators (2) with one pinhole
DUFFY, John F.
HERSHEY, Henry B.
Insulator  
 DUFFY, Ralph E.
U 1,738,875 December 10, 1929 Insulator Pin
Wooden pin strengthened with a metal collar
DUFFY, Ralph E.
Pin  
 DUGGAN, Frederic A.
U 498,539 May 30, 1893 Junction-Block for Electric Fixtures
Cut-out or junction block made in a horseshoe shape
DUGGAN, Frederic A.
Fuse Holder  
U Specimen known 508,687 November 14, 1893 Cleat for Electric Wiring
Cleat (2-wire) - 2 piece
DUGGAN, Frederic A.
Cleat  
 DUMBOLTON, Perry S.
FRANZ, Frank
U 937,736 October 19, 1909 Insulator
Pin with spring to fit into threads
DUMBOLTON, Perry S.
FRANZ, Frank
Pin  
 DUMORA, Denis
PARANT, Jean-Paul
PARGAMIN, Laurent
U 4,757,162 July 12, 1988 Rigid Electrical Insulator Including a Lightly Tempered Soda-Lime Glass Dielectric
Glass insulator with controlled stress and compression
DUMORA, Denis
PARANT, Jean-Paul
PARGAMIN, Laurent
Glass Ceraver
 DUNBAR, John K.
U 434,144 August 12, 1890 Electric Insulator
Tie wire clip
DUNBAR, John K.
Tie Wire  
 DUNBAR, Robert V.
U 770,960 September 27, 1904 Third Rail Insulator
Third rail insulator with metal cap to hold the rail and a metal clip to secure the insulator to the metal support.
DUNBAR, Robert V.
Third Rail  
 DUNCAN, John D. E.
U 871,490 November 19, 1907 Insulator Pin Mounting
Mounting for hollow steel pin on a steel tower
DUNCAN, John D. E.
Pin  
U Specimen known 880,203 February 25, 1908 Insulator
Suspension insulator with petticoat
DUNCAN, John D. E.
Suspension  
U 895,171 August 4, 1908 Cable Hanger
Cable hanger for two part Duncan suspension
DUNCAN, John D. E.
Suspension  
U 1,128,424 February 16, 1915 Insulator
Suspension multipart insulator fitted with arcing horns
DUNCAN, John D. E.
Suspension  
 DUNCAN, Robert
U 573,966 December 29, 1896 Insulator Hanger
Bracket for knobs
DUNCAN, Robert
Bracket  
 DUNSMORE, William W.
U 797,050 August 15, 1905 Insulator
Insulator, split and threaded to screw into hole in crossarm to hold wire
DUNSMORE, William W.
Insulator  
 DUNTON, Charles W.
U 802,096 October 17, 1905 Tree Insulator
Tree hanger
DUNTON, Charles W.
Tree 1/2 to Frank Field
 DUPONT, Henry H.
U 981,074 January 10, 1911 Split-knob Insulator
Knob triangular shaped
DUPONT, Henry H.
Knob  
 DWYER, Robert D.
U Specimen known 13,162 July 3, 1855 Improvement in Attachments for Lighting Rods
Lightning rod insulator holder for glass insulator (Salamander)
DWYER, Robert D.
Lightning Rod Insulator  
 DYER, Arthur H. S.
U 483,646 October 4, 1892 Process of Making Artificial Mica Sheets for Electrical Insulation
Molding process to make artificial sheets of mica
DYER, Arthur H. S.
Mica Eugene Munsell & Co.
 DYKSTRA, Laurence J.
MEYER, Edwin M.
U 2,274,955 March 3, 1942 High Tension Electric Insulator and Method of Coating Same
RFI: antimony coated top
DYKSTRA, Laurence J.
MEYER, Edwin M.
RFI Victor Insulators, Inc.
 DYKSTRA, Laurence J.
GRILLS, Lee J.
U Specimen known 2,921,112 January 12, 1960 Electric Conductor Strand Separator Insulator
Spacer for conductors
DYKSTRA, Laurence J.
GRILLS, Lee J.
Spacer The Porcelain Insulator Corp.
 EAGLES, Edwin
U 39,613 August 18, 1863 Improvement in Insulators for Lightning Conductors
Lightning rod insulator (glass) to hold conductors with bracket
EAGLES, Edwin
Lightning Rod Insulator 1/2 to J. H. Guion
 EARHART, Albert C.
U 1,810,950 June 23, 1931 Insulator
Rubber self-tying insulator
EARHART, Albert C.
Rubber  
 EASTUS, Harold L.
D 99,075 March 24, 1936 Design for a Glass Building Block
Rectangular block design with diamond lines and fine mesh
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
D 99,076 March 24, 1936 Design for a Glass Building Block
Square block design with diamond lines and fine mesh
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U 2,156,623 May 2, 1939 Glass Building Block
Block with dovetail masonry anchor receiver strips in glass
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U 2,196,109 April 2, 1940 Hollow Glass Building Block
Blocks with wire glass
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U 2,207,342 July 9, 1940 Glass Building Block Manufacture
Tool to align glass block halves
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U 2,244,291 June 3, 1941 Machine for Aligning Glass Block Sections and Pressing Them Together
Machine for aligning glass block halves
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U 2,257,675 September 30, 1941 Plunger Screw-Out Chuck
Insulator threading mandrel removal machine
EASTUS, Harold L.
Press; OI Owens-Illinois Glass Co.
U 2,925,183 February 16, 1960 Pneumatic Take-Out Apparatus for Glassware
Machine for removing insulators from molds
EASTUS, Harold L.
Manufacturing Kimble Glass Co.
 EASTUS, Harold L.
HIATT, Earl
U 2,978,839 April 11, 1961 Apparatus for Finishing Apertured Glass Articles
Fire polishing of holes for thru hole insulators CD 1049
EASTUS, Harold L.
HIATT, Earl
Manufacturing Kimble Glass Co.
 EASTUS, Harold L.
U 3,497,339 February 24, 1970 Stud Insertion Apparatus for Color TV Bulbs and Method of Insertion
Metal stud insertion process for color TV tubes
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
 EBY, Peter
FENNINGER, Michael B.
U 138,489 May 6, 1873 Improvement in Insulators for Telegraph lines
Cylinder split insulator to hold wire in hole in crossarm
EBY, Peter
FENNINGER, Michael B.
Cylinder  
 EBY, Peter
U 146,996 February 3, 1874 Improvement in Telegraph Insulators
Cylinder split insulator with groove for wire and held by bracket
EBY, Peter
Cylinder  
 ECKERT, Grandon E.
U 1,378,667 May 17, 1921 Cable Clamp
Cable clamp to hold the conductor under the insulator.
ECKERT, Grandon E.
Clamp The R. Thomas & Sons Co.
U 1,458,811 June 12, 1923 Insulator Connector
Link for Hewlett suspension disk (see 1,633,399)
ECKERT, Grandon E.
Suspension The R. Thomas & Sons Co.
U 1,633,399 June 21, 1927 Insulator Fitting
Link for Hewlett suspension disk (see 1,458,811)
ECKERT, Grandon E.
Suspension The R. Thomas & Sons Co.
U 1,708,876 April 9, 1929 Insulator
Suspension Hewlett links made of formed sheet metal
ECKERT, Grandon E.
Suspension The R. Thomas & Sons Co.
 ECKERT, Thomas T.
U 539,123 May 14, 1895 Cross Arm for Carrying Electrical Wires
Angle iron crossarm with wood support for insulator pins
ECKERT, Thomas T.
Crossarm  
U 554,664 February 18, 1896 Means for Supporting and Insulating Electric Conductors
Pin coated with water repelling material
ECKERT, Thomas T.
Pin  
 ECKERT, William
ECKERT, Edward
SEELY, John
U 262,210 August 8, 1882 Combined Insulator, Lightning arrester, and Connector
Combined insulator, lightning arrestor and connector
ECKERT, William
ECKERT, Edward
SEELY, John
Lightning Arrestor  
 EDISON, Thomas A.
U 304,084 August 26, 1884 Device for Protection Electric Light Systems from Lightning
Method of protecting electric generators from lightning by allowing the charge to discharge to the earth ground
EDISON, Thomas A.
Lightning Arrestor  
 EDMISTON, Samuel J.
U 910,799 January 26, 1909 Insulator Pin
Pin (metal) split & bent on each end to hold thimble on pin & pin in crossarm
EDMISTON, Samuel J.
Pin  
 EDMUNDS, William H.
U 491,208 February 7, 1893 Insulator Clip
Tie wire clip
EDMUNDS, William H.
Tie Wire  
 EDWARDS, Derrik R.
U 3,141,063 July 14, 1964 Toughened Glass, Pin Type Insulator
Glass tempering method
EDWARDS, Derrik R.
Glass Pilkington Brothers Limited
 EFFRIG, Anthony F.
U 1,234,313 July 24, 1917 Insulator
Self-tying
EFFRIG, Anthony F.
Self-tying Miscellaneous  
 EGNER, Carl Emil
U 875,902 January 7, 1908 Means for Insulating the Supports of Electric Conduits
Use of multiple caps made of paper, felt, etc. over the threads of a pin in order to make the insulator fit tight on the pin and provide additional insulation
EGNER, Carl Emil
Pin  
 EICHBERG, William N.
U 492,394 February 28, 1893 Insulator Bracket
Bracket, adjustable angle with spring end for threads
EICHBERG, William N.
Bracket  
 EISENHART, Charles A.
U 505,309 September 19, 1893 Insulator Pin and Bracket Machine
Pin - machine for making wooden pins
EISENHART, Charles A.
Pin  
 ELDRED, John W.
U 2,811,815 November 5, 1957 Continuous Glass Molding Machine
Insulator press
ELDRED, John W.
Press  
 ELKINS, Charles
U 444,879 January 20, 1891 Insulator
Tree hanger
ELKINS, Charles
Tree  
 ELLIOTT, Chester J.
U 887,930 May 19, 1908 Means for Attaching Line Wires to Insulators
Tie wire clip
ELLIOTT, Chester J.
Tie Wire  
 ELLIOTT, J. B.
U 18,963 December 29, 1857 Improved Device for Attaching Lightning Rods
Lightning rod made of corrugated copper sheets and attached with iron spikes
ELLIOTT, J. B.
Lightning Rod  
 ELLIS, John
U 1,029,980 June 18, 1912 Insulator
Knob - self-tying (see reissue 13,748 on 6-16-1914)
ELLIS, John
Knob  
R 13,748 June 16, 1914 Insulator
Knob - self-tying (reissue of 1,029,980)
ELLIS, John
Knob  
 ELLMANN, John I.
U 1,956,526 April 24, 1934 Insulated Support for Electric Cables
Clamp type with wire hanger
ELLMANN, John I.
Clamp Type Ellmann, Inc.
 ELMER, William B.
AVILA, Charles F.
U Specimen known 1,892,798 January 3, 1933 Cable Rider
Cable support tray (specimens are not uncommon to find)
ELMER, William B.
AVILA, Charles F.
Miscellaneous Charles B. Elmer
 ELY, Alfred B.
U 51,934 January 9, 1866 Improvement in Telegraph Insulators
Hook with improved rubber cap and flared top
ELY, Alfred B.
Hook  
U 51,935 January 9, 1866 Improvement in Insulating Telegraph Wires
Paraffin and rubber insulated wire
ELY, Alfred B.
Paraffin  
U 53,426 March 27, 1866 Improvement in Telegraph Insulators
Hook covered with rubber attached to rubber hollow ball chamber
ELY, Alfred B.
Hook  
U 53,427 March 27, 1866 Improvement in Telegraph Insulators
Hook fitted with a disk of rubber
ELY, Alfred B.
Hook  
U 56,542 July 24, 1866 Improvement in Insulators for Telegraphs
Hook to be inserted directly into pole or crossarm
ELY, Alfred B.
Hook  
 EMERY, Edward C.
U 375,276 December 20, 1887 Insulator
Self-tying with J slot and cap
EMERY, Edward C.
Self-tying Miscellaneous  
 EMGE, Paul W.
U 2,305,069 December 15, 1942 Means of Attaching Service Wires
Circular bracket that fits under an insulator or rack spool with holes to allow easy dropping of wires connected to the line
EMGE, Paul W.
Bracket  
 EMMET, William Le Roy
U 443,174 December 23, 1890 Insulator
Wooden insulator used in a trolley wire hanger
EMMET, William Le Roy
Wood  
 EMMINGER, David R. P.
U Specimen known 123,878 February 20, 1872 Improvement in Telegraph Insulators
CD 141.9, four projections to reduce surface contact
EMMINGER, David R. P.
Insulator  
 EMMONS, Albert F.
U 1,538,428 May 19, 1925 Pole Line Insulator
Self-tying odd insulator screwed into cut-out in top of crossarm
EMMONS, Albert F.
Self-tying Miscellaneous  
 ENGELHARDT, August J.
U 1,172,963 February 22, 1916 Insulator
Self-tying miscellaneous using odd projections on top and wire clamping device
ENGELHARDT, August J.
Self-tying Miscellaneous  
 ENGGREN, John A.
U Specimen known 24,110 May 24, 1859 Improved Device for Securing Lightning Rods
Lightning rod insulator (glass) with spring clip to hold rod
ENGGREN, John A.
Lightning Rod Insulator  
 ENGLER, Louis
KRAUSS, Ernest F.
U 28,263 May 15, 1860 Improved Insulator for Electrodes
Slotted enameled iron ring for holding electrodes
ENGLER, Louis
KRAUSS, Ernest F.
Slotted  
 ENGLISH, Roy W.
U 1,266,435 May 14, 1918 Telephone Insulator
Self-tying screw top
ENGLISH, Roy W.
Self-tying Screw Top  
 ENNIS, William F.
U 1,603,003 October 12, 1926 Fixing Means for Bolts
Steel pin designed with flanges on top and bottom of hole bored in crossarm to keep out water
ENNIS, William F.
Pin  
 ENSIGN, George A.
U 751,841 February 9, 1904 Thread Cutting Machine
Insulator pin threading device
ENSIGN, George A.
Pin Defiance Machine Works
 ESSICK, William B.
U 503,039 August 8, 1893 Conductor Support and Insulator
miscellaneous wire support for underground trolley wire & insulator with hole in crown
ESSICK, William B.
Miscellaneous  
 ETHERIDGE, Harry
U Specimen known 676,881 June 25, 1901 Self-Locking Insulator and Pin
U-376, U-376A, U-376B, U-376C, U-376D
ETHERIDGE, Harry
Insulator  
 ETTE, Charles G.
U 905,414 December 1, 1908 Metallic Insulator Pin
Pin, split metal
ETTE, Charles G.
Pin Ette Investment Co.
U 906,003 December 8, 1908 Insulator Pin
Pin (metal) with split threads for cushion material and wedge end in crossarm
ETTE, Charles G.
Pin Ette Investment Co.
U 906,787 December 15, 1908 Insulator Pin
Pin, metal with wood cob and flange to nail to crossarm
ETTE, Charles G.
Pin Ette Investment Co.
U 995,123 June 13, 1911 Insulator Pin
Pin, metal with threaded bushing
ETTE, Charles G.
Pin Ette Investment Co.
U 1,000,389 August 15, 1911 Insulator Bracket
Steel bracket that fits around the crossarm
ETTE, Charles G.
Bracket Ette Investment Co.
U 1,027,708 May 28, 1912 Metallic Crossarm for Poles
Metal crossarm with metal pins
ETTE, Charles G.
Pin Ette Investment Co.
U 1,027,709 May 28, 1912 Pole Cross Arm
Metal crossarm with metal pins
ETTE, Charles G.
Pin Ette Investment Co.
U 1,027,710 May 28, 1912 Pole Cross Arm
Metal crossarm with metal pins
ETTE, Charles G.
Pin Ette Investment Co.
U 1,027,711 May 28, 1912 Pole Cross Arm
Metal crossarm with metal pins
ETTE, Charles G.
Pin Ette Investment Co.
U 1,027,712 May 28, 1912 Insulator Supporting Device
Metal pin to clamp around metal crossarm with hinged side part
ETTE, Charles G.
Pin Ette Investment Co.
U 1,030,574 June 25, 1912 Insulator Supporting Device
Bracket (metal) that slides along crossarm for insulator above and below crossarm
ETTE, Charles G.
Bracket Ette Investment Co.
U 1,045,536 November 26, 1912 Insulator Pin
Pin (metal) with elastic washer under threads to firmly hold insulator, prevent breakage
ETTE, Charles G.
Pin Ette Investment Co.
U 1,163,132 December 7, 1915 Insulator Pin
Insulator pin with two shanks that are driven into the mine ceiling or wall at right angles to each other in order to more securely hold the insulator.
ETTE, Charles G.
Pin/mine St. Louis Malleable Casting Co.
U 1,173,418 February 29, 1916 Pole Cross-Arm
Metal pole crossarm with curved bracket that can be bolted to the pole
ETTE, Charles G.
Crossarm St. Louis Malleable Casting Co.
U 1,176,137 March 21, 1916 Insulator Bracket
Bracket, metal with detachable pins
ETTE, Charles G.
Bracket St. Louis Malleable Casting Co.
U 1,199,972 October 3, 1916 Pole-Arm
A metal crossarm that can be bolted to a wooden pole
ETTE, Charles G.
Crossarm St. Louis Malleable Casting Co.
 ETTINGER, Victor P.
U 1,174,002 February 29, 1916 Insulator
Self-tying ""T"" top
ETTINGER, Victor P.
Self-tying Miscellaneous  
 EVANS, Fredric B.
U 558,165 April 14, 1896 Electric Wire Cleat
Cleat - 2 piece
EVANS, Fredric B.
Cleat 1/2 to Theodore Gould, Jr.
 EVELETH, Charles E.
U Specimen known 917,031 April 6, 1909 Insulator for High Tension transmission lines
Insulator with weakening grooves in top skirt
EVELETH, Charles E.
Insulator General Electric Co.
 FACCILOI, Giuseppe
U 1,491,385 April 22, 1924 Insulator
Wall or roof bushing to bring conductor into the building
FACCILOI, Giuseppe
Miscellaneous General Electric Co.
 FAIRBANKS, Ernest Hayward
U 775,812 November 22, 1904 Insulator Support
Pin design made from sheet metal with partial threads on one side
FAIRBANKS, Ernest Hayward
Pin  
 FAIRCLOUGH, Harry
U 1,290,147 January 7, 1919 Dead End for Electric and Telephone Wires
Dead-ending method using two strain insulators
FAIRCLOUGH, Harry
Dead-end  
 FAIRMAN, James
U 189,441 April 10, 1877 Improvement in Hollow Supports for Pianos
Hollow block to support piano legs (see reissue 7,750)
FAIRMAN, James
Piano  
R 7,750 June 19, 1877 Improvement in Piano Attachments
Hollow block to support piano legs (see 189,441)
FAIRMAN, James
Piano  
 FALKENBERG, Richard A.
SIMON, Solomon S.
U 834,567 October 30, 1906 Insulator
Self-tying twist lock type
FALKENBERG, Richard A.
SIMON, Solomon S.
Self-tying Twist  
 FARGO, Arthur H.
U Specimen known 1,329,656 February 3, 1920 Insulator
Nail knob made by Triangle M (Illinois Electric Porcelain Co.) with captivated nail. (DIXIE NAILIT)
FARGO, Arthur H.
Knob Charles Tremain
 FARIS, Winn D.
U 876,160 January 7, 1908 Clamp
Bracket to hold insulator spool near end of crossarm
FARIS, Winn D.
Bracket 1/2 to Frank B. CHAPIN
 FARLEY, Henry W.
U 91,530 June 22, 1869 Improvement in Lightning Rods
Lightning rod made of iron with strips of copper attached longitudinally and twisted (see reissue 8,459)
FARLEY, Henry W.
Lightning Rod  
R 8,459 October 22, 1878 Improvement in Lightning Rods
Lightning rod made of iron with strips of copper attached longitudinally and twisted (see 91,530)
FARLEY, Henry W.
Lightning Rod Charles H. Smith and John Hewitt
R 8,635 March 25, 1879 Improvement in Lightning Rods
Lightning rod made of iron with strips of copper attached longitudinally and twisted (see 91,530)
FARLEY, Henry W.
Lightning Rod Charles H. Smith and John Hewitt
 FARMER, Moses G.
BATCHELDER, John M.
U Specimen known 21,492 September 14, 1858 Improvement in Telegraph Insulators
Hook covered with rubber to insert into crossarm or pole (see 124,199)
FARMER, Moses G.
BATCHELDER, John M.
Hook  
 FARMER, Moses G.
U Specimen known 124,199 March 5, 1872 Improvement in Telegraph Insulators
Hook in vulcanite with deep recess saturated with paraffin (see 21,492)
FARMER, Moses G.
Hook  
U 124,200 March 5, 1872 Improvement in Telegraph Insulators
Earthenware insulator soaked in mix of wax and rosin then in petroleum
FARMER, Moses G.
Earthenware  
U 124,201 March 5, 1872 Improvement in Compounds for Insulating Telegraph Wires, etc.
Coating mixture for his patented insulators
FARMER, Moses G.
Coating  
U 129,724 July 23, 1872 Improvement in Insulators for Telegraphic Uses
Roughened lower surface of insulator to retain patented coating mixture
FARMER, Moses G.
Rough  
 FARNHAM, Wilson
U 790,957 May 30, 1905 Insulating Support for Third Rails
Support for third rail with insulating material between the support and the rail.
FARNHAM, Wilson
Third Rail  
 FARWELL, Frank M.
U 1,043,916 November 12, 1912 Insulator
Self-tying screw top with slotted top
FARWELL, Frank M.
Self-tying Screw Top  
 FASSINGER, Charles
U 1,897,385 February 14, 1933 Insulator Bracket and Method of Making the Same
Secondary rack for spool insulators and method of manufacture
FASSINGER, Charles
Bracket Oliver Iron & Steel Corp.
U 1,983,935 December 11, 1934 Mechanism for Forming Insulator Brackets and the Like
Machine for making brackets for rack spool wireholders
FASSINGER, Charles
Machine Oliver Iron & Steel Corp.
 FAWCETT, William N.
HUNTLEY, George F.
U 328,929 October 27, 1885 Electric Wire Insulator and Supporter
Wooden self-tying cleat
FAWCETT, William N.
HUNTLEY, George F.
Wood  
 FAY, John L.
U Specimen known 894,616 July 28, 1908 Insulator and Wire Clamp
U-401 and U-401A, insulator & wire clamp
FAY, John L.
Insulator  
 FAY, John L.
WAY, Sylvester B.
U 1,106,797 August 11, 1914 Electric Insulator
Suspension insulators
FAY, John L.
WAY, Sylvester B.
Suspension  
 FAY, John L.
U 1,184,336 May 23, 1916 Combination Wire Support for Electric Distribution
Pin bracket for poles
FAY, John L.
Bracket W. N. Matthews & Brother Inc.
 FEIGERT, Frederick A.
U 843,739 February 12, 1907 Electric Insulator
Insulator used on trolley arms to support carrier wire that fits inside a metal case in the support crossarm
FEIGERT, Frederick A.
Insulator  
 FENTON, Christopher W.
U 393 September 22, 1837 Improvement in the Composition of Matter for Fire-Bricks
Flint composition material for the Elliott flint insulators
FENTON, Christopher W.
Flint  
U 6,907 November 27, 1849 Improvement in Glazing Pottery-Ware
Transparent and colored glaze for pottery and stone ware
FENTON, Christopher W.
Flint  
 FERGUSON, John E.
MCCREERY, Cecil W.
U 2,362,433 November 7, 1944 Nozzle
Nozzle for glass block dehydrating mechanism
FERGUSON, John E.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,402,387 June 18, 1946 Glass Block Dehydrating Mechanism
Machine for dehydrating glass block halves
FERGUSON, John E.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
 FERRELL, Isaac M.
U 433,459 August 5, 1890 Lightning Rod Tower
Lightning rod tower used to protect a group of houses or buildings
FERRELL, Isaac M.
Lightning Rod  
 FEUERSTEIN, Siegmund
U 849,731 April 9, 1907 Insulator
Metal crown cap
FEUERSTEIN, Siegmund
Metal  
 FIELD, John E.
U 983,039 January 31, 1911 Insulator Protector
Protective shield
FIELD, John E.
Protective Shield  
 FIERO, Carl D.
COREY, Charles E.
U 2,986,595 May 30, 1961 Post Type Insulator and Method of Making the Same
Method of sealing the internal part of the insulator to protect its electrical resistance
FIERO, Carl D.
COREY, Charles E.
Post Type Lapp Insulator Co., Inc.
 FINCKEL, George M.
U Specimen known 903,692 November 10, 1908 Feeder Wire Insulator
Mine insulator (Sackett type, similar to 667,882)
FINCKEL, George M.
Mine The Sackett Mine Supply Co.
 FINLEY, Stephen L.
U 99,873 February 15, 1870 Improvement in Insulator for Telegraphs
Self-tying via cam devise to hold wire with cap covering
FINLEY, Stephen L.
Self-tying Miscellaneous 1/2 to Marshall Lefferts
 FINN, J. L.
U 75,889 March 24, 1868 Improvement in Telegraph Insulators
Hook with metal case secured to crossarm (see reissue 75,889)
FINN, J. L.
Hook  
 FINN, John L.
R 9,484 November 30, 1880 Telegraph Insulator
Hook with metal case secured to crossarm (see 75,889)
FINN, John L.
Hook Amzi S. Dodd and Chinnock Electric Co.
 FIRESTONE, Truman L.
U 759,429 May 10, 1904 Machine for Heading Insulators
Machine for forming the heads on pottery or porcelain wall tubes
FIRESTONE, Truman L.
Wall Tube  
 FISCHER, Eugene H.
U 1,929,737 October 10, 1933 Apparatus for Molding Insulators
Die to hot press to form an insulator for street lights with one part of the mold rotating and a stationary part to form petticoats with integral lugs (see 2,007,567)
FISCHER, Eugene H.
Manufacturing The Harford Faience Co.
U 2,007,567 July 9, 1935 Apparatus for Molding Insulators
Machine for hot pressing porcelain box for street lights in one operation the interior surface with a rotating die and the exterior irregular surface with lugs with a stationary die (see 1,929,737)
FISCHER, Eugene H.
Manufacturing Westinghouse Electric & Mfg. Co.
U 2,008,414 July 16, 1935 Insulator
Suspension cementing procedure
FISCHER, Eugene H.
Suspension  
U 2,301,939 November 17, 1942 Production of Ceramic Bodies
Press to make a very dense porcelain body. It is neither wet process nor dry process porcelain. The product was called ""Prestite"" porcelain.
FISCHER, Eugene H.
Press Westinghouse Electric & Mfg. Co.
U 2,329,114 September 7, 1943 Coating Ceramic Articles
Glazing a porcelain insulator by spraying a uniform coating on the surface
FISCHER, Eugene H.
Manufacturing Westinghouse Electric & Mfg. Co.
U 2,333,557 November 2, 1943 Coating of Insulators
Machine for applying a RFI coating on insulators (see 1,973,076) (see 1,997,686) (see 1,997,688) (see 2,422,537)
FISCHER, Eugene H.
RFI Westinghouse Electric & Mfg. Co.
U 2,422,537 June 17, 1947 Machine for Coating Insulators
Machine for applying RFI coating to insulators (see 2,333,557)
FISCHER, Eugene H.
Manufacturing Westinghouse Electric Corp.
 FISCHER, Eugene H.
HARNISH, John D.
RUSSELL, JR., Ralston
U 2,434,555 January 13, 1948 Electrical Insulator
Method of soldering metal fittings on porcelain bushings made of ""Prestite"".
FISCHER, Eugene H.
HARNISH, John D.
RUSSELL, JR., Ralston
Manufacturing Westhinghouse Electric Corp.
 FISCHER, John J.
PAYNE, Warren R.
U 1,684,312 September 11, 1928 Electrical Insulator
Self-tying slot top
FISCHER, John J.
PAYNE, Warren R.
Self-tying Slot Top  
 FISHER, Frank E.
U 360,215 March 29, 1887 Automatic Lathe
Insulator pin threading device
FISHER, Frank E.
Pin  
 FISKE, Bradley
MOTT, Samuel
U Specimen known 286,801 October 16, 1883 Insulator
CD 109, CD 135, diamond shaped wire groove
FISKE, Bradley
MOTT, Samuel
Insulator  
 FISKE, Henry G.
U 271,825 February 6, 1883 Fastening for Electric Circuit Wires
Miscellaneous grooved round insulator to hold wire & secured with a staple
FISKE, Henry G.
Miscellaneous  
 FITCH, Nathan T.
U 349,788 September 28, 1886 Insulator
Knob
FITCH, Nathan T.
Knob  
 FITZPATRICK, Paul G.
U Specimen known 1,621,530 March 22, 1927 Dead-Ending Clamp
Dead ending clamp for long span crossings
FITZPATRICK, Paul G.
Hardware American Telegraph & Telephone Co.
 FITZPATRICK, Ray
U 1,837,259 December 22, 1931 Hanger for Cables and the Like
2-part spool cable hanger held together with a metal bracket
FITZPATRICK, Ray
Hanger  
 FLEENER, Charles M.
U 2,235,102 March 18, 1941 Insulator
Electric fence with bracket to attach an easily adjustable insulator to a T-post
FLEENER, Charles M.
Fence  
 FLETCHER, John R.
U 368,284 August 16, 1887 Electric Wire Clamp Insulator
Cleat - clamp type
FLETCHER, John R.
Cleat  
U 411,801 October 1, 1889 Wire Holder and Insulator
Cleat
FLETCHER, John R.
Cleat  
U 602,576 April 19, 1898 Bracket for Insulators, etc.
Bracket to be driven into wooden pole
FLETCHER, John R.
Bracket  
U 770,278 September 20, 1904 Insulation Rack
Cleat - rack type
FLETCHER, John R.
Cleat  
 FLETCHER, Olive L.
U 1,028,104 June 4, 1912 Strain Insulator
Strain type
FLETCHER, Olive L.
Strain The Peru Electric Mfg. Co.
 FLOY, Edward A.
U 344,096 June 22, 1886 Coupling for Lightning Rods
Coupling for four-pointed twisted lightning rods
FLOY, Edward A.
Lightning Rod Coupling  
 FLOYD, George
U Specimen known 64,654 May 14, 1867 Improvement in Insulators
CD 732.2, threadless insulator with enlarged chamber for slotted pin (CJ 6-93-12)
FLOYD, George
Insulator  
U 127,041 May 21, 1872 Improvement in Fire Alarm Signal Boxes
Design for a fire alarm signal box
FLOYD, George
Fire Alarm  
 FLYNT, Samuel B.
MAIDEN, Leaman A.
U 787,442 April 18, 1905 Insulator for Electric Wires
Protective shield
FLYNT, Samuel B.
MAIDEN, Leaman A.
Protective Shield  
 FOLSTAD, Almer J.
U Specimen known 1,169,246 January 25, 1916 Insulator
Wire hanger [only 5 known]
FOLSTAD, Almer J.
Wire  
 FOOT, David A.
CHADWICK, Avery
U 93,609 August 10, 1869 Improvement in Lightning Rods
Method of making star shaped lightning rods with silver plated points
FOOT, David A.
CHADWICK, Avery
Lightning Rod  
 FOOT, David A.
KNAPP, George S.
U 113,154 March 28, 1871 Improvement in Lightning Rods
Lightning rod made of hollow copper star rod with iron wire filling the inside and annealed wire in the star points
FOOT, David A.
KNAPP, George S.
Lightning Rod  
 FORBES, Robert B.
U 11,217 July 4, 1854 Improvement in Lightning Rods for Vessels
Lightning rod system tied to the ship's masts and grounded to the copper sheathing on the hull
FORBES, Robert B.
Lightning Rod  
 FOREMAN, Ernest Jay
U 799,726 September 19, 1905 Insulator
Insulator, split and threaded to screw into hole in crossarm to hold wire
FOREMAN, Ernest Jay
Insulator  
U 884,142 April 7, 1908 Insulator
Cylindrical insulator with spiraling ribs to screw insulator into crossarm, center groove to hold line wire, external grooves to carry water away and drip points or serrations to allow water to drip down
FOREMAN, Ernest Jay
Crossarm  
 FORREST, Elbert E.
U 1,864,300 June 21, 1932 Anchor Device
Metal attachment device for wireholders
FORREST, Elbert E.
Wireholder Line Material Co
 FORT, Louis
U 1,097,414 May 19, 1914 Adjustable Insulator Support
Bracket, metal to fit around crossarm for two insulators
FORT, Louis
Bracket  
U Specimen known 1,240,330 September 18, 1917 Insulator and Support Therefor
Clamp type
FORT, Louis
Clamp Type  
U 1,292,451 January 28, 1919 Line Wire Insulator
miscellaneous
FORT, Louis
Miscellaneous  
U 1,625,645 April 19, 1927 Insulator
Clamp type
FORT, Louis
Clamp Type  
U 1,883,671 October 18, 1932 Insulator Bracket and Support
Bracket for rack spools with a plurality of spools for mounting on a building
FORT, Louis
Bracket  
U 1,920,978 August 8, 1933 Insulator
Clamp type with lag screw
FORT, Louis
Clamp Type  
 FORTESCUE, Charles Le G.
U 1,259,385 March 12, 1918 Suspension Insulator
Suspension insulator (see 1,129,520)
FORTESCUE, Charles Le G.
Suspension Westinghouse Electric & Mfg. Co.
 FORTESCUE, Charles Le G.
GILCHREST, George I.
U Specimen known 1,374,998 April 19, 1921 Insulator
Multipart porcelain insulator of Faradoid design (spelling for other patents: GILCHREST, George Irving)
FORTESCUE, Charles Le G.
GILCHREST, George I.
Multipart Westinghouse Electric & Mfg. Co.
 FORTESCUE, Charles Le G.
U 1,637,374 August 2, 1927 Insulator
Suspension, tubular with ribs and cap on both ends
FORTESCUE, Charles Le G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,695,892 December 18, 1928 Transmission Line Device
Arcing ring or electrostatic field control structure for suspension string
FORTESCUE, Charles Le G.
Arcing Ring Westinghouse Electric & Mfg. Co.
U 1,799,977 April 7, 1931 Distributor Ring
Arcing ring or electrostatic field control structure for suspension string
FORTESCUE, Charles Le G.
Arcing Ring Westinghouse Electric & Mfg. Co.
U 1,873,750 August 23, 1932 Insulator Structure
Strain insulator with parts coated and metal fitting soldered to the coating
FORTESCUE, Charles Le G.
Strain Westinghouse Electric & Mfg. Co.
 FOSS, Marvin J.
U 1,509,645 September 23, 1924 Insulator
Self-tying
FOSS, Marvin J.
Self-tying Miscellaneous  
 FOSTER, Samuel L.
U 805,788 November 28, 1905 Electric Strain Insulator
Porcelain or glass strain insulator in compression
FOSTER, Samuel L.
Strain  
 FOUTZ, Jeremiah N.
U 1,042,902 October 29, 1912 Insulator
Miscellaneous using Mason jar lid base attached to support
FOUTZ, Jeremiah N.
Miscellaneous  
 FOWLE, Frank F.
U 1,219,450 March 20, 1917 Insulator
Suspension with interlocking linkage similar to Hewlett and hog liver
FOWLE, Frank F.
Suspension  
 FOWLER, George
U 415,504 November 19, 1889 Insulator
Insulator with internal spring to hold tension on the wire
FOWLER, George
Spring  
 FOX, Alexander Lee
D 48,174 November 23, 1915 Design for an Insulator Body for Trolley Wire Hangers
Knob with mounting hole and square opening at top
FOX, Alexander Lee
Knob  
 FOX, Arthur L.
U 2,301,266 November 10, 1942 Method and Means for Transposing Electrical Conductors
Tensioning device before and after transposition brackets for carrier circuits
FOX, Arthur L.
Transposition Bell Telephone Laboratories, Inc.
 FOX, Christian
HESTON, Elisha G.
U Specimen known 145,997 December 30, 1873 Improvement in Telegraph Insulators
Self-tying insulator with nut-like cap to secure wire in grooved base (CJ 7-2000)
FOX, Christian
HESTON, Elisha G.
Self-tying Miscellaneous  
 FOX, Myron
U 27,977 April 24, 1860 Improved Method of Insulating and Supporting Lightning Rods
Lightning rod insulator (two-piece) with split support
FOX, Myron
Lightning Rod Insulator  
 FRANCEL, Josef
HAGEDORN, Erwin C.
U 3,127,278 March 31, 1964 Low-Melting Glass Sealant and Article Made Therefrom
Welding of glass block and TV Tube parts
FRANCEL, Josef
HAGEDORN, Erwin C.
OI Owens-Illinois Glass Co.
 FRANCEL, Josef
SPANOUDIS, Louis
U 3,218,140 November 16, 1965 Method for Cleaning Glass-Working Tools
Cleaning presses for glass block & TV faceplate production
FRANCEL, Josef
SPANOUDIS, Louis
OI Owens-Illinois Glass Co.
 FRANTZ, Isaac B.
U 619,555 February 14, 1899 Telegraph Insulator
Self-tying screw top
FRANTZ, Isaac B.
Self-tying Screw Top  
 FRASER, James William
U 892,822 July 7, 1908 Pole Top Cap
Metal pole top cap with insulator support and lateral extension to support protector wire
FRASER, James William
Bracket  
 FREDERICK, Harry A.
U 1,470,322 October 9, 1923 Wireless Tie Insulator
Self-tying via fingers
FREDERICK, Harry A.
Self-tying Miscellaneous  
U 1,516,884 November 25, 1924 Wireless Tie Insulator
Self-tying via side fingers
FREDERICK, Harry A.
Self-tying Miscellaneous  
 FREEMAN, Edgar H.
U Specimen known 1,147,498 July 20, 1915 Divided Insulator
Reversible nail-knob
FREEMAN, Edgar H.
Knob Trenton Porcelain Co.
 FRENCH, Clarkson S.
U 1,168,796 January 18, 1916 Wire Holder and Insulator
Self-tying
FRENCH, Clarkson S.
Self-tying Miscellaneous  
 FREY, Howard Albert
MCCOY, Robert Leslie
U 2,475,230 July 5, 1949 Conductor Support
Clamp-top design to secure conductor on top of the insulator
FREY, Howard Albert
MCCOY, Robert Leslie
Clamp-top Locke, Inc.
 FRICKE, Joseph R.
U 111,052 January 17, 1871 Improvement in Lightning Rods
Lightning rod made of stiffened copper wire and threaded joint on the ends to attach a point
FRICKE, Joseph R.
Lightning Rod  
U 112,137 February 28, 1871 Improvement in Lightning Rods
Lightning rod made from wrapping multiple layers to build up desired diameter cable
FRICKE, Joseph R.
Lightning Rod  
U 311,115 January 20, 1885 Lightning Conductor
Lightning rod system using flexible braided wire rod and ridgid tips
FRICKE, Joseph R.
Lightning Rod  
 FRIDRICHSEN, Peter Christian Carl
U 1,390,118 September 6, 1921 Insulator
Knob
FRIDRICHSEN, Peter Christian Carl
Knob  
 FRIEDLAENDER, Eugene
U 1,111,570 September 22, 1914 Insulator
Third rail insulator with bolt holes on top and bottom side and flange projecting out in the center of the side designed to carry the rail on top
FRIEDLAENDER, Eugene
Third Rail  
 FRIEND, David H.
U 986,702 March 14, 1911 Insulator
Self-tying slot top
FRIEND, David H.
Self-tying Slot Top  
 FRIEND, Howard
U 888,154 May 19, 1908 Insulator
Clamp type
FRIEND, Howard
Clamp Type 1/2 to Walter Stevens
 FRITSCH, Joseph W.
U 145,641 December 16, 1873 Improvement in Couplings for Tubular Lightning Rods
Means of coupling tubular lightning rods
FRITSCH, Joseph W.
Lightning Rod  
U 214,558 April 22, 1879 Improvement in Lightning Rod Couplings
Lightning rod coupling made by inserting a tenon on the ends of rod sections, driving a non-corrosive male threaded thimble on the tenon, and screwing the ends of adjoing rods into a collar coupling
FRITSCH, Joseph W.
Lightning Rod Coupling  
 FRITZ, Osville J.
U 1,109,058 September 1, 1914 Insulator
Self-tying slot top
FRITZ, Osville J.
Self-tying Slot Top  
 FRITZE, Henry L.
U 762,297 June 14, 1904 Third Rail Insulator
Third rail insulator with enameled top and bottom plate
FRITZE, Henry L.
Third Rail  
 FROST, Lewis D.
U 326,268 May 3, 1887 Machine for Turning Insulator Pins
Machine for cutting the screw thread on wooden pins (missing the 4th page)
FROST, Lewis D.
Pin  
 FRY, John W.
U 92,299 July 6, 1869 Improvement in Telegraph Insulators
Clamp type insulator and bracket
FRY, John W.
Clamp Type  
 FULCHER, Gordon S.
U 1,960,147 May 22, 1934 Insulator and Method of Treating It
Suspension, glass under cap is etched & treated with graphite
FULCHER, Gordon S.
Suspension Corning Glass Works
 FULLER, Albert W.
U 513,564 January 30, 1894 Electric Wire Cleat or Holder
Cleat to hold two wires that may be stacked on each other to hold additional pairs of wires
FULLER, Albert W.
Cleat  
 FURLONG, Lawrence
U 433,561 August 5, 1890 Cleat for Electric Wires
Cleat
FURLONG, Lawrence
Cleat Frederick Rockwell
 GAERTNER, Rudolf
U 696,958 April 8, 1902 Insulator for High Potential Currents
Glazeweld technique using thin layer at joint with air space between shells
GAERTNER, Rudolf
Glazeweld Karlsbader Kaolin-Industrie-Gesellschaft
 GALLAGHER, Constantine
U 861,275 July 30, 1907 Insulator for Electric Wires
Cleat - self-tying
GALLAGHER, Constantine
Cleat  
 GALLOWAY, Howard L.
U 1,891,708 December 20, 1932 Insulator Cotter and Mode of Use
Suspension insulator cap and cotter pin permanent assembled that cannot be removed except with a special device
GALLOWAY, Howard L.
Suspension Locke Insulator Corp.
 GAMMON, Thomas E.
AVERILL, Henry D.
U Specimen known 1,595,653 August 10, 1926 Tree Insulator
Tree hanger - self-tying twist lock with lag screw
GAMMON, Thomas E.
AVERILL, Henry D.
Tree 1/2 to Line Material Co.
 GARBUTT, Harry L.
U 1,578,508 March 30, 1926 Insulator
Suspension, multipart with top/bottom grooves to attach support rings
GARBUTT, Harry L.
Suspension Westinghouse Electric & Mfg. Co.
 GARDANIER, George W.
U Specimen known 611,243 September 27, 1898 Safety Fuse for Electric Circuits
Fuse holder for electric circuits
GARDANIER, George W.
Fuse Holder 3/4 to D. Black and T. Smith
 GARDNER, George Stafford
U 1,189,088 June 27, 1916 Bracket for Electrical Wire Construction
Bracket that bolts through the crossarm with pin above and below the crossarm
GARDNER, George Stafford
Bracket John Randolph Fletcher
 GARITY, John
U Specimen known 110,645 January 3, 1871 Improvement in Glass Telegraph Insulators
CD 1040 threaded, tapered glass insulator to screw into crossarm or pole
GARITY, John
Insulator  
 GARLICK, Theodotus
U 97,496 December 7, 1869 Improvement in Lightning Rods and Conductors
Grounding tip for lightning rod that retains water to improve conduction to ground
GARLICK, Theodotus
Lightning Rod Ground  
 GATI, Bila
U 1,277,304 August 27, 1918 Metal Protected High Voltage Insulator
Protective shield of metal to protect insulator
GATI, Bila
Protective Shield  
 GAYLORD, Albert A.
U 113,869 April 18, 1871 Improvement in Lightning Rods
Coupling for tubular lightning rods made of a lap or scarf joint
GAYLORD, Albert A.
Lightning Rod Coupling  
 GAYNOR, Thomas F.
U 437,685 October 7, 1890 Insulator
Coating on exterior of insulator to color code line
GAYNOR, Thomas F.
Coating The Gaynor Electric Co.
 GEBHARD, Carl
U 1,670,853 May 22, 1928 Piano Insulator
Glass base with metal and rubber cup to support the piano leg
GEBHARD, Carl
Piano  
 GEE, Warn George
U 1,177,315 March 28, 1916 Insulator
Self-tying via side fingers
GEE, Warn George
Self-tying Miscellaneous 1/2 to W. A. Snapp
 GEISENHONER, Henry
U 679,308 July 30, 1901 Insulator
Slack wire knob, bracket and suspension clip
GEISENHONER, Henry
Slack Wire General Electric Co.
U 894,623 July 28, 1908 Apparatus for Molding Porcelain Ware
Press for molding small dry process insulators such as nail-knobs, etc.
GEISENHONER, Henry
Press General Electric Co.
 GELIN, Felix
GELIN, Charles
U 24,294 June 7, 1859 Leg for Pianos
Glass insert in a piano leg with hole for mounting a caster wheel
GELIN, Felix
GELIN, Charles
Piano  
 GERDON, Lewis W.
U 878,520 February 11, 1908 Means for Tying Wires to Insulators, etc.
Tie wire method
GERDON, Lewis W.
Tie Wire 1/2 to Edwin P. Barnes
 GERHARDT, Roy C.
U 1,759,253 May 20, 1930 Insulator
Suspension insulator assembly with porcelain insulator in compression without the need for cement.
GERHARDT, Roy C.
Suspension  
 GEROW, Kenneth Norris
U 2,442,165 May 25, 1948 Insulator
Odd under crossarm insulator with diagonal slot to insert wire into center slot and means to nail the insulator to the crossarm
GEROW, Kenneth Norris
Miscellaneous  
 GERRARD, Clarence L.
U 459,686 September 15, 1891 Insulator
Strain type
GERRARD, Clarence L.
Strain  
 GERSTENLAUER, Daniel M.
U 546,383 September 17, 1895 Insulator
Self-tying with crown hole, slot & spacer
GERSTENLAUER, Daniel M.
Self-tying Miscellaneous  
 GETTS, Frank E.
U Specimen known 1,574,964 March 2, 1926 Insulation Equipment
Special insulator design for bus bar and equipment support (see 1,274,555 and 1,663,007)
GETTS, Frank E.
Insulator Electrical Engineers Equipment Co.
 GIBBONEY, William K.
U 827,361 July 31, 1906 Insulating Support for Electrical Conductors
Means to support high voltage conductors using small pintype insulators
GIBBONEY, William K.
Miscellaneous  
 GIBSON, Frank H.
U 739,666 September 22, 1903 Glass Molding Machine
Insulator Press
GIBSON, Frank H.
Press  
U 743,268 November 3, 1903 Glass Molding Machine
Insulator Press
GIBSON, Frank H.
Press 1/2 to Ellison Elmer
 GIBSON, James C.
U 908,089 December 29, 1908 Insulator
Miscellaneous
GIBSON, James C.
Miscellaneous 1/2 to A. H. Smith
 GILCHREST, George Irving
U 1,435,225 November 14, 1922 Insulator
Pin, wooded covered with metal for strength and to keep wood dry
GILCHREST, George Irving
Pin Westinghouse Electric & Mfg. Co.
U 1,664,208 March 27, 1928 Insulator
Suspension fog-type with ceramic covered wood/fiber connecting tube
GILCHREST, George Irving
Suspension Westinghouse Electric & Mfg. Co.
 GILDEMEYER, Charles A.
U 401,343 April 16, 1889 Electric Wire Nail
U-shaped wire nail that is round at the top to protect the wooden covering over the wire. (see article 12125)
GILDEMEYER, Charles A.
Nail 1/2 to Madison Rush
 GILL, Jacob F.
U 770,962 September 27, 1904 Insulator
Self-tying groove top and screw wire clamp
GILL, Jacob F.
Self-tying Miscellaneous  
 GILL, James C.
U 167,608 September 14, 1875 Improvement in the Manufacture of Glassware
Lamp foot made by pushing up bottom
GILL, James C.
Lamp John Adams & Co.
D 8,663 September 28, 1875 Design for Glassware
Design for Liberty Bell (Signers Platter) design
GILL, James C.
Platter  
D 17,148 March 1, 1887 Design for a Paper Weight, Match Safe, & C.
K of L glass anvil shaped match safe
GILL, James C.
HI Hemingray Glass Co.
U 406,041 July 2, 1889 Insulator for Electric Wires
Tie wire cast into insulator
GILL, James C.
Tie Wire Hemingray Glass Co.
 GILL, James G.
U 215,516 May 20, 1879 Improvement in Devices for Attaching Plungers to Glass Presses
Means of attaching a plunger to a glass press using a chuck. (This is known as the ""Gill Chuck"" and may have been used in insulator production, it is not known if Gill was employed by Hemingray at the time of this patent.)
GILL, James G.
Plunger  
 GILLETTE, John C.
U 1,019,451 March 5, 1912 Sectional Insulator
The GE breakaway insulator, M-2202 or M-2505, is shown in the catenary design
GILLETTE, John C.
Sectional Insulator General Electric Co.
 GILLILAND, James F.
U 296,330 April 8, 1884 Insulator for Line Wires of Mechanical Telephones
Non-electrical (!!) insulator to suspend wires of mechanical telephones!!!
GILLILAND, James F.
Non-electrical John Bennet and August Meyer
U Specimen known 740,005 September 29, 1903 Insulator Bracket
Pin, wood pin bracket side with V-groove fits rounded pole to keep it vertical
GILLILAND, James F.
Pin Albert B. Dick
 GILSON, Samuel H.
U 361,759 April 26, 1887 Composition for Pipes, Artificial Stone, etc.
Composition formula of Gilsonite
GILSON, Samuel H.
Composition 1/2 to George Goss, Sr.
U 362,076 May 3, 1887 Composition for Insulating and Other Purposes
Composition formula of Gilsonite
GILSON, Samuel H.
Composition 1/2 to George Goss, Sr.
U 396,334 January 15, 1889 Overhead Insulator
Composition ""Gilsonite"" insulator & metal/wood covering (Brown p. 60)
GILSON, Samuel H.
Composition  
U 415,864 November 26, 1889 Composition for Overhead Insulators
Composition insulator from ""Gilsonite""
GILSON, Samuel H.
Composition  
 GIOVANNONI, Charles
U 1,118,545 November 24, 1914 Wire Clamp for Insulators
Complicated tie wire replacement with U-bolt and metal strap to secure and clamp to the line wire
GIOVANNONI, Charles
Tie Wire  
 GLICK, Monroe J.
U 831,338 September 18, 1906 Insulator
Self-tying slot top
GLICK, Monroe J.
Self-tying Slot Top J. Rardin & T. Rardin
 GLOCKER, Gustave
U Specimen known 1,290,540 January 7, 1919 Knob Insulator
Knob with 6-prong star under cap (DIXIE NAIL-IT and DIXIE SCREW-IT)
GLOCKER, Gustave
Knob  
 GODDARD, DeWitt Rugg
U Specimen known 2,195,986 April 2, 1940 Transmission Line Transposition
Transposition block (flat) for short wave radio antenna made of Faradite
GODDARD, DeWitt Rugg
Transposition Radio Corporation of America
U Specimen known 2,305,688 December 22, 1942 Transposition Block
Transposition block (flat) for short wave radio antenna
GODDARD, DeWitt Rugg
Transposition Radio Corporation of America
 GODDARD, Walter T.
U 806,887 December 12, 1905 Insulator Pin
Pin (metal) with ribbed cast iron base
GODDARD, Walter T.
Pin Locke Insulator Mfg. Co.
U 829,646 August 28, 1906 Insulator
Self-tying with crown clamp on multipart
GODDARD, Walter T.
Self-tying Miscellaneous Locke Insulator Mfg. Co.
 GODDARD, Walter T.
LAPP, John S.
U 883,397 March 31, 1908 Insulator
Suspension insulator made of a rod of porcelain
GODDARD, Walter T.
LAPP, John S.
Suspension The Locke Insulator Mfg. Co.
 GODDARD, Walter T.
U 911,973 February 9, 1909 Insulating High-Voltage Transmission-Lines
Use of steel coil attached to insulator (instead of the conductor) to offer resistance to control lightning surge and protect the insulator
GODDARD, Walter T.
Lightning The Locke Insulator Mfg. Co.
U 947,516 January 25, 1910 Insulator
miscellaneous horizontal insulator with conductor supported on periphery of crown
GODDARD, Walter T.
Miscellaneous Locke Insulator Mfg. Co.
U 959,929 May 31, 1910 High Voltage Switch
High voltage switch utilizing a string of suspension insulators
GODDARD, Walter T.
Switch Locke Insulator Mfg. Co.
U 979,840 December 27, 1910 Insulator Base
Insulator base to support a high voltage insulator on a building roof to allow the conductor to enter the roof
GODDARD, Walter T.
Insulator Base Locke Insulator Mfg. Co.
U 1,001,137 August 22, 1911 Insulator Protector
Arcing device attached to top and bottom of insulator
GODDARD, Walter T.
Arcing Locke Insulator Mfg. Co.
D 49,538 August 22, 1916 Design for an Insulator
Multipart insulator style (Canadian Porcelain Co. president)
GODDARD, Walter T.
Pin-type  
U 1,232,278 July 3, 1917 Insulator
Suspension disk cementing method & split, eye-ring pin design
GODDARD, Walter T.
Suspension  
U 1,239,902 September 11, 1917 Insulator
Radio strain insulator
GODDARD, Walter T.
Radio  
U 1,251,013 December 25, 1917 Insulator Joint
Multipart without cement held by adjoining metal bands
GODDARD, Walter T.
Multipart  
U 1,258,211 March 5, 1918 Insulator Support
Multipart supporting pin
GODDARD, Walter T.
Multipart Locke Insulator Mfg. Co.
U 1,305,712 June 3, 1919 Insulator Cap
Suspension cap to receive hook with pin to fin in cap
GODDARD, Walter T.
Suspension  
U Specimen known 1,311,067 July 22, 1919 Insulator
Multipart similar to Faradoid patent 1,374,998 (see reissue 14,888 on 6-22-1920)
GODDARD, Walter T.
Multipart  
R Specimen known 14,888 June 22, 1920 Insulator
Multipart design similar to Faradoid 1,374,998 (reissue of 1,311,067)
GODDARD, Walter T.
Multipart Locke Insulator Mfg. Co.
U 1,406,953 February 14, 1922 Strain Insulator
Suspension with special slotted cap and pin to improve cement joint
GODDARD, Walter T.
Suspension Locke Insulator Corp.
U 1,409,091 March 7, 1922 Cement
Cement composition
GODDARD, Walter T.
Cement Locke Insulator Corp.
U 1,426,981 August 22, 1922 Insulator
High tension strain made up of one or more ribbed insulators
GODDARD, Walter T.
Strain Locke Insulator Corp.
U 1,454,634 May 8, 1923 Insulator
Suspension or multipart attachment using wire lacing
GODDARD, Walter T.
Suspension Locke Insulator Corp.
U Specimen known 1,458,754 June 12, 1923 Insulator
Multipart with outer angular, flush, mating surfaces and cemented
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,458,755 June 12, 1923 Insulator
Improved method of connection sections of strain insulators
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,458,756 June 12, 1923 Strain Insulator
Strain insulator with improved method of connecting the metal caps
GODDARD, Walter T.
Strain Locke Insulator Corp.
U 1,474,256 November 13, 1923 Insulator
Special columnar insulators to support structure for a radio transmitter
GODDARD, Walter T.
Radio Locke Insulator Corp.
U 1,498,622 June 24, 1924 Strain Insulator
Strain insulator for high tension lines that is strong and lightweight
GODDARD, Walter T.
Strain Locke Insulator Corp.
U 1,610,085 December 7, 1926 Insulator
Multipart, alternating elastic bands & roughened surface aids cementing
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,621,246 March 15, 1927 Insulator
High tension insulator made of parts with metal plates bolted to upper and lower surface or suspension disks bolted together
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,625,601 April 19, 1927 Insulator
Suspension insulator made of multiple sections that are clamped together in the field
GODDARD, Walter T.
Suspension Locke Insulator Corp.
U 1,628,241 May 10, 1927 Insulator
Post type insulator composed of multiple parts
GODDARD, Walter T.
Post Type Locke Insulator Corp.
U 1,657,922 January 31, 1928 Method of Assembling Insulators
Sprayed coating of metal or asphalt with heat treatment to improve cement joint
GODDARD, Walter T.
Cement Locke Insulator Corp.
U 1,695,458 December 18, 1928 Insulator
Multipart (& suspension disk) with spacing cap and molten metal as cement
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,716,123 June 4, 1929 Insulator
Multipart with external cement joints covered with tar for RFI
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,717,210 June 11, 1929 High Voltage Circuit Interrupter
High voltage air break switch
GODDARD, Walter T.
Transmission General Electric Co.
U 1,737,999 December 3, 1929 Insulator
Thimble that screws into the pinhole and screws onto a special steel pin
GODDARD, Walter T.
Thimble Locke Insulator Corp.
 GOEHST, John H.
U 830,501 September 11, 1906 Protecting Bushing for Electric Circuit Wires
Bushing with screw threads
GOEHST, John H.
Bushing Federal Electric Co.
 GOETZ, Julius F.
U 938,137 October 26, 1909 Lightning Rod
Lightning rod coupling not made of copper but maintaining a copper contact
GOETZ, Julius F.
Lightning Rod Coupling  
U 1,153,617 September 14, 1915 Lightning Rod
Lightning rod made of flat metal coiled helically to form a hollow tube and then wires spiralled around the outside
GOETZ, Julius F.
Lightning Rod  
U 1,162,855 December 7, 1915 Lightning Rod
Coupling for lightning rods and conductors whether hollow or cable design
GOETZ, Julius F.
Lightning Rod Coupling  
 GOLDSTEIN, Albion
U 849,606 April 9, 1907 Insulator
Self-tying screw top
GOLDSTEIN, Albion
Self-tying Screw Top  
 GONZENBACH, Ernest
U 717,389 December 30, 1902 Third Rail Insulator
Third rail insulator mounted on pedestal with metal cap to secure the rail.
GONZENBACH, Ernest
Third Rail  
 GOOD, JR., Robert
U 674,378 May 21, 1901 Glass Pressing Apparatus
Mechanically actuated plunger or former for a glass press
GOOD, JR., Robert
Press  
 GOODHOLM, George H.
TRAIN, Jacob A.
U Specimen known 870,951 November 12, 1907 Tool
Cutting tool to shorten porcelain tubes
GOODHOLM, George H.
TRAIN, Jacob A.
Tool  
 GOODRICH, Charles F.
U 474,319 May 3, 1892 Insulator
Strain type
GOODRICH, Charles F.
Strain 1/2 to John G. Thompson
 GOODRIDGE, Gilbert W.
U Specimen known 785,306 March 21, 1905 Electrical Fuse Box
Fuse holder or cut-out with knife insert
GOODRIDGE, Gilbert W.
Fuse Holder The Bryant Electric Co.
U 804,115 November 7, 1905 Electrical Insulator
Knob - self-tying
GOODRIDGE, Gilbert W.
Knob  
 GOODWIN, Frederick O.
U 124,264 March 5, 1872 Improvement in Lightning Rods
Lightning rod made by fastening two metal strips together by indentation, opening to form a star shape, and twising
GOODWIN, Frederick O.
Lightning Rod 1/2 to Frank Goodwin
 GOODYEAR, Nelson
U Specimen known 8,075 May 6, 1851 Improvement in the Manufacture of India Rubber
Rubber - vulcanizing process for hard rubber for insulator
GOODYEAR, Nelson
Rubber  
 GOOLD, Frederick D'A
U 477,753 June 28, 1892 Insulator
Clamp type
GOOLD, Frederick D'A
Clamp Type The Edison General Electric Co.
 GORDON, Chester S.
LOWE, James T.
U Specimen known 1,687,495 October 16, 1928 Insulator
Transposition (1-piece) for telephone line shaped like CD 194.5, CD 195.5
GORDON, Chester S.
LOWE, James T.
Insulator American Telephone & Telegraph Co.
U 1,687,556 October 16, 1928 Reduction of Attenuation Due to the Conductance Losses in Cross Arms and Insulator Pins
CD 122.4; Metal thread thimble for wooden pins carrier circuits connected electrically to other pins or brackets on the same crossarm to reduce leakage losses
GORDON, Chester S.
LOWE, James T.
Pin American Telephone & Telegraph Co.
 GORDON, Chester S.
U 1,694,415 December 11, 1928 Insulator
Under crossarm type (see 955,661)
GORDON, Chester S.
Under American Telephone & Telegraph Co.
U 1,701,561 February 12, 1929 Insulator
CD 118; Carrier circuit insulator with metal cover screwed outside (internal threads)
GORDON, Chester S.
Carrier American Telephone & Telegraph Co.
U Specimen known 1,701,562 February 12, 1929 Insulator
CD 122.4, CD 128, CD 142, CD 194.5, CD 195.5 with threads inside skirt
GORDON, Chester S.
Insulator American Telephone & Telegraph Co.
 GORDON, Chester S.
LOWE, James T.
U Specimen known 1,760,983 June 3, 1930 Insulator
CD 194.5, CD 195.5 transposition
GORDON, Chester S.
LOWE, James T.
Insulator American Telephone & Telegraph Co.
 GORDON, Chester S.
KLEINFELDER, Walter C.
U 2,263,728 November 25, 1941 Combined Line Wire Tie and Reinforcement
Combination tie-wire and line tie
GORDON, Chester S.
KLEINFELDER, Walter C.
Tie Wire Bell Telephone Laboratories, Inc.
 GORDON, Waldo C.
U 845,544 February 26, 1907 Wiring Knob
Knob
GORDON, Waldo C.
Knob The Electric Good Mfg Co.
 GORE, Charles L.
U 252,857 January 24, 1882 Insulator for Telegraph Wires
Insulators strung on wires to separate groups of wires in a tube
GORE, Charles L.
Insulator 1/4 to John Townsend
 GOSS, Alonzo
U 196,350 October 23, 1877 Improvement in Conductors for Lightning Rods
Lightning rod conductor shaped like a trough which is galvanized on outside and lined with Russia iron on the inside and running down from rod to just below the eave with lightning rod resting in the trough
GOSS, Alonzo
Lightning Rod Conductor  
 GOULD, Rufus
U Specimen known 1,703,853 February 26, 1929 Dry-Spot Insulator
CD 182, U-173, U-174 & U-175 dry-spot
GOULD, Rufus
Insulator 1/2 to Postal Telegraph Cable Co.
 GOULD, William P.
U 433,284 July 29, 1890 Non-Conductive and Ornamental Handle for Vessels, $c.
Composition handle for tea pots, knives, door knobs, and electrical switches
GOULD, William P.
Composition  
 GOUVERNEUR, Minor F. H.
U 1,413,023 April 18, 1922 Method and Means for Forming Passages in Plastic Material
Suspension Hewlett design, method of cutting ring hole
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,501,107 July 15, 1924 Method of Connecting Insulator Parts
Method of making a cement impervious to water
GOUVERNEUR, Minor F. H.
Cement Locke Insulator Corp.
U 1,544,148 June 30, 1925 Method of Connecting Insulators
Multipart, method of cementing sections with solder
GOUVERNEUR, Minor F. H.
Multipart Locke Insulator Corp.
U 1,579,174 March 30, 1926 Insulator
Suspension with metal eye-bolt pin
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,617,154 February 8, 1927 Insulator
Suspension with metal eye-bolt pin and cap with special securing clips
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U Specimen known 1,651,201 November 29, 1927 Insulator
Suspension Hewlett type
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
 GOUVERNEUR, Minor F. H.
GOUVERNEUR, Fairfax H.
U 1,657,924 January 31, 1928 Chain Link for Insulators
Link for Hewlett suspension insulator
GOUVERNEUR, Minor F. H.
GOUVERNEUR, Fairfax H.
Suspension Locke Insulator Corp.
 GOUVERNEUR, Minor F. H.
U 1,684,441 September 18, 1928 High Tension Insulator
Suspension with special ribbed cap and pin
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,687,759 October 16, 1928 Insulator Knurling Device
Manufacturing method of cutting inside of multipart joints to aid cement adhesion
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
U 1,688,011 October 16, 1928 Insulator
Strain for guy wires with special wire connecting links
GOUVERNEUR, Minor F. H.
Strain Locke Insulator Corp.
U 1,688,015 October 16, 1928 Insulator
Strain for guy wires with special wire connecting links
GOUVERNEUR, Minor F. H.
Strain Locke Insulator Corp.
U Specimen known 1,690,291 November 6, 1928 Insulator
Suspension flying saucer type with special link design
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,697,422 January 1, 1929 Device for Cutting Holes in Insulators
Device for cutting holes in Hewlett type suspension disks for links
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
U 1,697,423 January 1, 1929 Method and Device for Cutting Holes in Insulators
Manufacturing method of cutting holes in Hewlett type suspension disks for links
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
U 1,712,556 May 14, 1929 Insulator Suspension Link
Suspension links for Hewlett disks that are ductile and pliable
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,712,557 May 14, 1929 Link Liner
Ductile and pliable liner for the holes in Hewletts to cushion link contact
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
 GOUVERNEUR, Minor F. H.
STEVENS, Frank J.
U 1,733,729 October 29, 1929 Method of Casting Link-Type Insulators
Manufacturing method to cast Hewlett type suspension disks
GOUVERNEUR, Minor F. H.
STEVENS, Frank J.
Manufacturing Locke Insulator Corp.
 GOUVERNEUR, Minor F. H.
U 1,808,105 June 2, 1931 Insulator Cutter and Method of Treating Insulators
Manufacturing method to cut out the top and bottom recess of a Hewlett suspension disk and ready for cutting the holes for link passages
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
U 1,831,765 November 10, 1931 Insulator Link Connector
Link for Hewlett suspension disk
GOUVERNEUR, Minor F. H.
Link Locke Insulator Corp.
U 1,848,622 March 8, 1932 Insulator
Suspension rod with metallic shields to keep upper and lower parts dry to prevent electrical leakage
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 1,913,305 June 6, 1933 Suspension Means for Guy Strain Insulators
Guy strain insulators connected by means of special metal hardware
GOUVERNEUR, Minor F. H.
Strain Locke Insulator Corp.
U 1,978,627 October 30, 1934 Vibrating Plunging Machine
Manufacturing method using a vibrating plunger tool to form the underside shape of the insulator without causing stresses in the finished porcelain
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
U 1,998,406 April 16, 1935 Insulator Suspension Hardware
Links for Hewlett type suspension disks
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.
U 2,026,782 January 7, 1936 Clay Homogenizing Method and Apparatus
Manufacturing method using vibration as the clay is extruded from the pug mill to ensure homogeneity.
GOUVERNEUR, Minor F. H.
Manufacturing Locke Insulator Corp.
 GRACE, Sergius P.
U Specimen known 948,321 February 8, 1910 Knob Insulator
Knob or spool to support a pair of insulation covered wires
GRACE, Sergius P.
Knob Western Electric Co.
 GRAHAM, Carroll G.
U 408,383 August 6, 1889 Line Wire Insulator
Self-tying with bail wire and slot top
GRAHAM, Carroll G.
Self-tying Miscellaneous  
 GRAHAM, Charles M.
U 930,750 August 10, 1909 Insulator
Protective shield & splash preventor on pin under insulator
GRAHAM, Charles M.
Protective Shield  
U 930,751 August 10, 1909 Reinforced Wooden Support for Insulators
Splash preventor horizontal on pin under insulator
GRAHAM, Charles M.
Splash  
 GRAHAM, George H.
GANNANE, Thomas
U 448,956 March 24, 1891 Electric Insulator
Self-tying via metal band screwed on top
GRAHAM, George H.
GANNANE, Thomas
Self-tying Miscellaneous  
 GRAHAM, Sarah A.
D 27,756 October 19, 1897 Design for a Line Wire Insulator
Self-tying pin type
GRAHAM, Sarah A.
Pin-type  
 GRAMSS, Ernst
U 1,927,639 September 19, 1933 Electric Insulator
Suspension insulator with hole in top to insert pin, plug to cement in the hole, and cap cemented over the top
GRAMSS, Ernst
Suspension  
 GRANT, Francis Jones
U 760,620 May 24, 1904 Insulator Bracket
Bracket with lag screw to mount a glass insulator
GRANT, Francis Jones
Bracket  
U 833,877 October 23, 1906 Insulator
miscellaneous bolted insulator
GRANT, Francis Jones
Miscellaneous  
 GRAVES, Salathiel V.
MCDANIEL, Samuel H.
U 830,585 September 11, 1906 Insulator for Telegraph and Telephone Wires
miscellaneous - block held by metal casing
GRAVES, Salathiel V.
MCDANIEL, Samuel H.
Miscellaneous  
 GRAY, John
CASE, Charles H.
U 589,256 August 31, 1897 Process of Making Insulating Material
Composition insulator made of paper pulp saturated with sulfur
GRAY, John
CASE, Charles H.
Composition  
 GRAY, Lawrence B.
D 13,996 June 19, 1883 Design for an Inkstand
Inkstand
GRAY, Lawrence B.
Ink  
U Specimen known 306,146 October 7, 1884 Press for Molding Glass Insulators
Press for making threads with removable thread forming mandrel
GRAY, Lawrence B.
Press  
 GRAY, Lawrence B.
HAM, Joseph
U Specimen known 306,147 October 7, 1884 Press for Molding Glass Insulators
Press for making threads with removable thread forming mandrel
GRAY, Lawrence B.
HAM, Joseph
Press  
 GRAY, Lawrence B.
U 462,862 November 10, 1891 Press for Molding Glass Insulators
Press for making insulators
GRAY, Lawrence B.
Press  
D Specimen known 22,684 August 8, 1893 Design for an Insulator
CD 268.5 top-groove pin type (Dec. 1974 Cross Arm p. 34)
GRAY, Lawrence B.
Pin-type  
U 514,221 February 6, 1894 Insulator
Pin sleeve
GRAY, Lawrence B.
Pin  
 GRAY, Ralph
HEMINGRAY, Robert
U 38,820 June 9, 1863 Improvement in Caps for Fruit Jars
Wrench lug sheetmetal fruit jar cap
GRAY, Ralph
HEMINGRAY, Robert
HI  
 GRAY, Thomas J.
U 999,714 August 1, 1911 Machine for Picking Cotto
Machine for picking cotton
GRAY, Thomas J.
Cotton 3/4 to Charles A. Bookwalter, Thomas Taggart, and Crawford Fairbanks and 1/4 to Ralph G. Hemingray
 GREEN, Estill I.
U 1,659,731 February 21, 1928 Insulator
Protective shield
GREEN, Estill I.
Protective Shield American Telephone & Telegraph Co.
 GREEN, John Jay
BROWN, George C.
U Specimen known 464,770 December 8, 1891 Clamp for Electric Wires
Nail-knob with matching caming grooves. Rotating cap tightens it against the insulated covered wire and the screw or nail secures the cap in that position.
GREEN, John Jay
BROWN, George C.
Knob  
 GREEN, John Jay
U 480,011 August 2, 1892 Insulator
Knob - self-tying
GREEN, John Jay
Knob The Security Insulator Co.
U 484,911 October 25, 1892 Ceiling Block
Ceiling rosette that contains a fuse
GREEN, John Jay
Ceiling Rosette The Security Insulator Co.
 GREEN, Thomas D.
U 2,468,663 April 26, 1949 Article Illuminating Inspection Device For Amber Glass Insulators and Other Hollow Dense Walled Articles of Low Transparency
Insulator inspection device for dark amber insulators
GREEN, Thomas D.
Manufacturing Hartford-Empire Co.
 GREENE, Leon W.
U 773,733 November 1, 1904 Insulator
Wall tube with ribs and metal clip
GREENE, Leon W.
Wall Tube  
 GREENFIELD, Edwin T.
U 369,447 September 6, 1887 Insulator
Cleat - clamp type with slotted cylinder and screw eye
GREENFIELD, Edwin T.
Cleat Greenfield & Co.
 GREGORY, Ferdinand W.
U Specimen known 724,848 April 7, 1903 Insulator
CD 159, wire groove with flat surface for line wire
GREGORY, Ferdinand W.
Insulator  
 GRENIER, Joseph Pierre
LESCIEUX, Pierre Edouard Eugene
U 2,644,026 June 30, 1953 Radioactive Lightning Protector with Accelerating Elements
Lightning rod with porcelain disk coated with radioactive material
GRENIER, Joseph Pierre
LESCIEUX, Pierre Edouard Eugene
Lightning Rod Ste. Helita
 GRESSETT, Lawrence F.
U 1,027,601 May 28, 1912 Insulator and Support
Clamp type mounted in spike
GRESSETT, Lawrence F.
Clamp Type  
 GRIFFEN, John F.
R 1,593 December 22, 1863 Improvement in Sealing Fruit Can
Metal can with rubber gasket (see 11,332)
GRIFFEN, John F.
Can James Spratt
 GRIFFIN, George B.
U Specimen known 1,070,452 August 19, 1913 Fusible Cut-Out
Conical shaped fuse holder or cut-out with knife insert to hold the fuse.
GRIFFIN, George B.
Fuse Holder Westinghouse Electric & Mfg. Co.
 GRIFFITH, Charles
U 849,896 April 9, 1907 Insulator
Knob with cam device to hold wire
GRIFFITH, Charles
Knob  
 GRIMES, Cornelius H.
U 356,531 January 25, 1887 Lightning Rod
Lightning rod of two or more tubes
GRIMES, Cornelius H.
Lightning Rod  
 GRIMM, Fred B.
NESSLER, John H.
U 590,832 September 28, 1897 Insulator
Self-tying slot top
GRIMM, Fred B.
NESSLER, John H.
Self-tying Slot Top  
 GUSEMAN, W. D.
BRIGHT, E. C.
U 97,392 November 30, 1869 Improvement in Insulator for Telegraph Wires
Self-tying slot top
GUSEMAN, W. D.
BRIGHT, E. C.
Self-tying Slot Top  
 GUTHRIE, Joseph A.
U 1,022,026 April 2, 1912 Insulator
Block in crossarm
GUTHRIE, Joseph A.
Block Guthrie-Mitchell Co.
 HADDOCX, Edward J.
U 2,830,648 April 15, 1958 Process and Apparatus for Producing a Glass Fiber Mat
Glass marbles are used to feed the machine to produce a glass fiber mat.
HADDOCX, Edward J.
Glass Marble L. O. F. Glass Fibers Co.
 HADEN, Robert B.
U 1,102,656 July 7, 1914 Insulator
Insulator with hole in center and method to clamp conductor securely and the metal bracket with two bolts to secure the insulator
HADEN, Robert B.
Insulator  
 HAGERMAN, Alva Lloyd
U 1,712,432 May 7, 1929 Electrical Insulator Assembly
Suspension using Hewletts for novel electric switch
HAGERMAN, Alva Lloyd
Suspension  
 HAIGH, William Francis
MCMAHON, Chester
MCMAHON, Eugene Joseph
U Specimen known 3,268,655 August 23, 1966 High Voltage Cable Spacer Insulator Device
Aerial spacer to hold three high voltage conductors and keep them spaced apart.
HAIGH, William Francis
MCMAHON, Chester
MCMAHON, Eugene Joseph
Spacer Fargo Manufacturing Co.
 HAINES, David
LAKE, Stephen
U 296,688 April 8, 1884 Insulating Support for Electric Conductors
Knob for holding wires
HAINES, David
LAKE, Stephen
Knob  
 HAKANSSON, Louis M.
U 562,528 June 23, 1896 Wire Holder
Odd wireholder with two fins or ears that hold the wire
HAKANSSON, Louis M.
Wireholder  
 HALE, Albert W.
U 293,242 February 12, 1884 Insulator for Electric Wires
Hook with different shape and glazed to screw into pole or crossarm
HALE, Albert W.
Hook  
U 294,384 March 4, 1884 Insulator for Electric Conductors
Hook with metal glazed coated surface (improvement of 293,242)
HALE, Albert W.
Hook  
U 301,446 July 1, 1884 Insulator for Electric Wires
Hook with glazed covering (see 293,242 and 294,384)
HALE, Albert W.
Hook  
 HALEY, Patrick
U 563,482 July 7, 1896 Insulating Support for Rails or Electric Railways
Third rail pin type insulator
HALEY, Patrick
Third Rail  
 HALL, Alphonso R.
U 907,788 December 29, 1908 Insulator Clip
Tie wire clip
HALL, Alphonso R.
Tie Wire 1/2 to Lynn Maxson
 HALL, Gaddis G.
U 4,529,838 July 16, 1985 Support Bracket for Electrical Insulator
Bracket for mounting on side of pole made of a rod of insulating material with pin bracket on one end.
HALL, Gaddis G.
Bracket  
 HALL, William
U 25,823 October 18, 1859 Improved Lightning Rod
Lightning rod made by wrapping thin copper sheet metal around a steel rod
HALL, William
Lightning Rod  
R 2,888 March 3, 1868 Improvement in Lightning Rods
Lightning rod made by wrapping thin copper sheet metal around a steel rod (see 25,823)
HALL, William
Lightning Rod  
U 77,729 May 12, 1868 Improvement in Lightning Rods
Lightning rod made of wire or iron with a sheet of copper wrapped several times around it
HALL, William
Lightning Rod  
 HALLETT, Thomas E.
U 687,230 November 26, 1901 Insulator Support
Pin with split threads
HALLETT, Thomas E.
Pin  
U 894,201 July 28, 1908 Insulator
Pin with a threaded wooden block making up one-half of the thimble and metal projection on the other side contacting the threads to keep the wooden half pressed against the pinhole
HALLETT, Thomas E.
Pin  
 HALTON, Geoffrey H.
U 1,942,284 January 2, 1934 Electric Insulator
Helical grooves on top surface of suspension insulator
HALTON, Geoffrey H.
Helical Steatite & Porc. Prod. Ltd.
 HAMILTON, Evlyn S.
U 838,537 December 18, 1906 Cross Arm for Electrical Construction
Steel crossarm with threaded pins on top and threaded holes underneath for hooks
HAMILTON, Evlyn S.
Crossarm  
 HAMILTON, G. B.
STEVENES, J. S.
U 86,151 January 26, 1869 Improved Mode of Constructing Lightning Rods
Method of welding galvanized and copper wires to form a lightning rod
HAMILTON, G. B.
STEVENES, J. S.
Lightning Rod  
 HAMMEL, Victor F.
U Specimen known 2,089,791 August 10, 1937 Method of Making Electrical Insulators
CD 240.2, method of making insulator described in 2,191,152
HAMMEL, Victor F.
Insulator  
U Specimen known 2,191,152 February 20, 1940 Electrical Insulator
CD 240.2 with metal saddle embedded in crown for RFI (see 2,089,791)
HAMMEL, Victor F.
Insulator  
 HAMMOND, Charles N.
U 469,940 March 1, 1892 Insulator
Knob - self-tying
HAMMOND, Charles N.
Knob  
U 511,611 December 26, 1893 Insulator
Cleat - self-tying
HAMMOND, Charles N.
Cleat The Hammond Cleat & Insulator Co.
U Specimen known 511,612 December 26, 1893 Insulator
Cleat - self-tying
HAMMOND, Charles N.
Cleat The Hammond Cleat & Insulator Co.
U 524,850 August 21, 1894 Insulator
Strain and hanger block
HAMMOND, Charles N.
Strain  
 HANES, Mack
U 355,165 December 28, 1886 Pin Holder for Electric Wire Insulator
Bracket to suspend insulator below crossarm
HANES, Mack
Bracket  
 HANKENSON, James W.
BAKER, Winslow
U 108,354 October 18, 1870 Improvement in Combined Eaves Troughs and Lightning Rods
Eave trough and water pipe used as conductor for lightning rods
HANKENSON, James W.
BAKER, Winslow
Lightning Rod Conductor  
 HANKENSON, James W.
U 128,617 July 2, 1872 Improvement in Lightning Rods
Lightning rod made of two stips of zinc curved and joined to form a hollow oval then covered with two strips of copper curved to form a hollow tube around the zinc oval
HANKENSON, James W.
Lightning Rod 1/2 to Mohola Brawley
 HANKERSON, James W.
U 99,184 January 25, 1870 Improvement in Lightning Rods and Conductors
Lightning rod stamped out of sheet metal into a flat rod with raised edges
HANKERSON, James W.
Lightning Rod 1/2 to Winslow Baker
 HANLEY, Timothy Henry
U 1,583,458 May 4, 1926 Nail Knob Assembling Machine
Machine for making nail-knobs
HANLEY, Timothy Henry
Knob Federal Porcelain Co.
 HANSON, Augustus
CHAPMAN, James R.
U 556,971 March 24, 1896 Insulated Support for Contact Rails
Third rail insulator with top and side brackets (see reissue 11,613 on 6-22-1897)
HANSON, Augustus
CHAPMAN, James R.
Third Rail  
R 11,613 June 22, 1897 Insulator Support for Contact Rails
Third rail insulator with top and side brackets (reissue of 556,971)
HANSON, Augustus
CHAPMAN, James R.
Third Rail General Electric Co.
 HANSON, Ebbe J.
U 667,366 February 5, 1901 Lightning Rod
Lightning rod with spring metal core wrapped with braided rope conductor
HANSON, Ebbe J.
Lightning Rod  
 HANSON, John A.
LAMBERT, Albert F.
U 756,627 April 5, 1904 Insulator
Clamp type 2-piece with horseshoe nail holder
HANSON, John A.
LAMBERT, Albert F.
Clamp Type  
 HANSON, John H.
U 878,949 February 11, 1908 Electric Wire Insulator
Crossover
HANSON, John H.
Crossover  
 HAQUIN, Henri Louis Joseph
U 1,754,101 April 8, 1930 Insulator and Mold for Casting the Same
Hewlett style insulator made by casting
HAQUIN, Henri Louis Joseph
Suspension  
 HARDIN, Cornelious C.
U 955,065 April 12, 1910 Insulator
miscellaneous oddball
HARDIN, Cornelious C.
Miscellaneous  
 HARDING, Donald D.
U 2,592,030 April 8, 1952 Electric Wire Insulator Support
Pin and bracket to fit over the top and sides of the crossarm
HARDING, Donald D.
Bracket/pin  
U 2,592,031 April 8, 1952 Supporting Structure for Insulators
Pin and bracket made in one piece for easy attachment to crossarm
HARDING, Donald D.
Bracket/pin  
 HARLAN, Earle
U 1,190,286 July 11, 1916 Insulator
Self-tying non-pintype
HARLAN, Earle
Self-tying Miscellaneous  
 HARLOE, Morton
BLOES, Wilton S.
U Specimen known 621,661 March 21, 1899 Insulator
Cleat - self-tying (pivot-mounted) (found on U-184)
HARLOE, Morton
BLOES, Wilton S.
Cleat  
 HARLOE, Morton
U Specimen known 669,691 March 12, 1901 Insulator for Electric Wires
Two-piece self-tying insulator (found on U-184)
HARLOE, Morton
Self-tying Miscellaneous 1/2 to Wilton S. Bloes
U Specimen known 715,375 December 9, 1902 Insulator
CD 109.7, CD 206.5 & U-184 self-tying via three alternate projections
HARLOE, Morton
Self-tying Miscellaneous  
U 807,459 December 19, 1905 Process of Forming Glass Articles
Threading process using fusible metal to form threads in glass before it melts
HARLOE, Morton
Threads 1/3 to Harry P. Decker
 HARMS, Rhinehart W.
U 1,328,732 January 20, 1920 Insulator Pin
Improvement of the Lee pin (see 855,253) to allow adjustment of the insulator
HARMS, Rhinehart W.
Pin The R. Thomas & Sons Co.
 HARRIS, Edwin D.
U 1,151,179 August 24, 1915 Insulator
Self-tying slot top
HARRIS, Edwin D.
Self-tying Slot Top 1/2 to Arthur Mueller
 HARRIS, John R.
U 1,042,372 October 22, 1912 Split Insulator
Knob
HARRIS, John R.
Knob  
U Specimen known 1,079,239 November 18, 1913 Insulator
Knob with tube of metal surrounding the nail to aid in keeping parts together.
HARRIS, John R.
Knob  
U 1,302,158 April 29, 1919 Insulator
Knob
HARRIS, John R.
Knob  
 HARRISON, Arthur W.
U 1,427,953 September 5, 1922 Attaching Device
Knob
HARRISON, Arthur W.
Knob Porcelain Appliance Corp.
 HARRY, William R.
U 2,898,658 August 11, 1959 Manufacture and Apparatus for the Manufacture of Ceramic Ware
Method of removing water through conduits in the mold when plastic clay is pressed in a mold.
HARRY, William R.
Mold McGraw-Edison Co.
U 2,915,801 December 8, 1959 Apparatus for Forming Plastic Clay Bodies
Mold and pressing operation to eliminate the need to plunge and trim a suspension disk
HARRY, William R.
Mold McGraw-Edison Co.
 HARVEY, Leo B.
FRENCH, Lucius L.
U 2,033,827 March 10, 1936 Insulator Forming Machine
Machine to form the underside and recesses between skirts and the petticoats by using a trimming device that can be adjusted to any angle and extend inward as needed
HARVEY, Leo B.
FRENCH, Lucius L.
Manufacturing Porcelain Insulator Corp.
 HARVEY, William F.
U 1,574,883 March 2, 1926 Method and Apparatus for Cementing Insulators
Machine to vibrate insulator to improve cementing of the parts
HARVEY, William F.
Manufacturing  
U 1,689,073 October 23, 1928 Indenting Tool
Tool used to roll across the surface of a clay insulatot to form indentions or a rough surface to produce a better griping surface for cement.
HARVEY, William F.
Tool  
U 1,731,099 October 8, 1929 Method of Forming a Cement-Receiving Surface on an Insulator Section
Improve cement adhesion by using a special roller tool to form a rough surface similar to that obtained by sanding.
HARVEY, William F.
Cement  
U 1,779,811 October 28, 1930 Method of Manufacturing Insulators
Press for making skirts/petticoats in one-piece porcelain (replaces casting)
HARVEY, William F.
Press  
 HATCH, Edwin G.
U 1,190,763 July 11, 1916 Insulator Clamp
Insulator clamp to secure the conductor in the top groove of a multipart insulator.
HATCH, Edwin G.
Clamp Clark Electric and Mfg. Co.
U 1,220,333 March 27, 1917 Insulator Clamp
Clamp, metal to secure conductor to insulator
HATCH, Edwin G.
Clamp  
 HATCHETT, Andrew
U 844,796 February 19, 1907 Insulating Wire Holder
Self-tying via spiral slot
HATCHETT, Andrew
Self-tying Miscellaneous 1/3 to Battiste, 1/3 to Porter
 HAUTY, Auguste J.
U Specimen known 490,560 January 24, 1893 Insulator
Self-tying screw top
HAUTY, Auguste J.
Insulator 1/3 to John Burke
 HAVEN, John V. D.
U 643,842 February 20, 1900 Non-Refillable Bottle
Bottle that cannot be refilled
HAVEN, John V. D.
Bottle 2/3 to Roderick R. Andrus and James M. Rude
 HAVILAND, Andrew J.
U 258,061 May 16, 1882 Screw for Fastening Telegraph Wires
Metal screw with self-tying end for holding a telegraph wire.
HAVILAND, Andrew J.
Screw  
 HAWK, Charles E.
D 110,894 August 16, 1938 Design for a Hollow Glass Building Block
Block with pointed end
HAWK, Charles E.
OI Owens-Illinois Glass Co.
D 110,895 August 16, 1938 Design for a Hollow Glass Building Block
Block with angled end
HAWK, Charles E.
OI Owens-Illinois Glass Co.
U 2,181,810 November 28, 1939 Glass Block Trimmer
Trimmer to remove excess bonding agent from glass blocks
HAWK, Charles E.
OI Owens-Illinois Glass Co.
 HAWKEN, Thomas
U 346,475 August 3, 1886 Insulator Block for Electric Conductors
Wooden insulator mounted on wire to prevent wire touching other
HAWKEN, Thomas
Wood  
 HAWLEY, Kent A.
U 1,661,823 March 6, 1928 Insulator
Suspension string with insulators having conducting surface to balance electrical field
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,699,063 January 15, 1929 Method of Making Insulators
Suspension insulator, method to attach skirts to a central shank
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,706,488 March 26, 1929 Insulator
Fogbowl via metal pan under skirt
HAWLEY, Kent A.
Fog Type Locke Insulator Corp.
U 1,739,637 December 17, 1929 Insulator
Multipart porcelain pedestal insulator with threaded holes in the metal cap to bolt another insulator on top
HAWLEY, Kent A.
Pedestal Locke Insulator Corp.
U 1,776,557 September 23, 1930 Pedestal Insulator
Pedestal insulator similar to suspension disk with metal cap and pin to bolt other units to
HAWLEY, Kent A.
Pedestal Locke Insulator Corp.
U 1,778,152 October 14, 1930 Multiple Skirt Suspension Insulator
Odd two-disk suspension made in one piece with metal caps on each end
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,778,153 October 14, 1930 Insulator Pin Centering Means
Suspension disk with large opening for additional cement around the pin and a means to keep the pin centered
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,778,154 October 14, 1930 Cushion for Insulator Pins and Method of Applying
Suspension disk or pin-type pin with asphalt disk at top of pin to cushion strain of pin
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,784,792 December 9, 1930 Apparatus for Making Insulators
Manufacturing method that replace casting large unipart insulators with a means to press out the entire form of the insulator
HAWLEY, Kent A.
Manufacturing Locke Insulator Corp.
U 1,794,111 February 24, 1931 Multiple Skirt Insulator
Suspension insulator with multiple skirts and pins or hooks embedded in the ends
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,810,424 June 16, 1931 Means for Sealing Insulators
Suspension insulator with metal connectors cemented in the insulator with molten metal under a vacuum to remove entrapped air in the joint
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
 HAWLEY, Kent A.
OSBORNE, David H.
U 1,819,748 August 18, 1931 Insulator
Suspension of the cap and pin design specially designed to make a strong joint for the cap and pin
HAWLEY, Kent A.
OSBORNE, David H.
Suspension Locke Insulator Corp.
 HAWLEY, Kent A.
U 1,822,485 September 8, 1931 Insulator
Method of attached metal cap and pin to suspension insulators
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,829,926 November 3, 1931 Insulator Pin
Steel pin with saddle that fits over a curved-top crossarm
HAWLEY, Kent A.
Pin Locke Insulator Corp.
U 1,841,949 January 19, 1932 Insulator With Caps
Steel cap cemented to top of insulator with bolts for stacking insulators
HAWLEY, Kent A.
Miscellaneous Locke Insulator Corp.
U 1,863,539 June 14, 1932 Pole Top Pin
Steel pin with strap to attach to top of pole
HAWLEY, Kent A.
Pin Locke Insulator Corp.
U 1,866,804 July 12, 1932 Means for Utilizing Wood Poles to Aid Insulators
On wood poles, connect the steel pins with a conductor and fuse to aid grounding an insulator struck by lightning and reduce the chance of burning the crossarm or pole
HAWLEY, Kent A.
Transmission Locke Insulator Corp.
U 1,889,244 November 29, 1932 Noninterferring Insulator
RFI treatment for new or existing insulators by attaching a metal crown
HAWLEY, Kent A.
RFI Locke Insulator Corp.
U 1,892,888 January 3, 1933 Strain Insulator
Elaborate strain insulator with metal rings and rods attached around the insulator
HAWLEY, Kent A.
Strain Locke Insulator Corp.
U 1,910,333 May 23, 1933 Insulator Connection
Suspension with special cotter pin to prevent cap and pin from coming disconnected
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 1,940,591 December 19, 1933 Protecting Apparatus for Insulators
Arcing ring for string of suspension insulators
HAWLEY, Kent A.
Arcing Ring Locke Insulator Corp.
U 1,975,576 October 2, 1934 Method of Applying a Conducting Coating on Insulators
RFI coating of carbon fused to the surface
HAWLEY, Kent A.
RFI Locke Insulator Corp.
U 1,983,903 December 11, 1934 Protective Apparatus for Double String Installations
Arcing rings for a double string of suspension insulators
HAWLEY, Kent A.
Arcing Ring Locke Insulator Corp.
U 2,023,808 December 10, 1935 Shielded Cemented Type Insulator
Suspension cementing procedure using metal cap (disc, J-D type & bus)
HAWLEY, Kent A.
Suspension Locke Insulator Corp.
U 2,048,504 July 21, 1936 Tower Supporting Insulator
Insulator to support radio antenna tower
HAWLEY, Kent A.
Radio Locke Insulator Corp.
 HAWLEY, Kent Allen
U 1,647,695 November 1, 1927 Method of Assembling Insulators
Manufacturing method of using adhesive to hold shells together before injecting cement and sealing edges of the cured cement joint
HAWLEY, Kent Allen
Manufacturing Locke Insulator Corp.
U 1,772,513 August 12, 1930 Insulator
Design to allow the lowermost Hewlett disk to have its underside wetted with rain equally with disks above
HAWLEY, Kent Allen
Suspension Locke Insulator Corp.
U 1,958,435 May 15, 1934 High Tension Insulator
Post or pedestal insulator with hollow interior filled with dry sand
HAWLEY, Kent Allen
Post Type Locke Insulator Corp.
 HAWLEY, Louis J.
U 52,411 February 6, 1866 Improvement in Lightning Rods
Lightning rod made with a center copper core and outer layer of iron
HAWLEY, Louis J.
Lightning Rod  
 HAY, Andrew K.
U 11,893 November 7, 1854 Glass Furnace
Improved circular glass furnace using anthracite coal
HAY, Andrew K.
Furnace  
 HAYDEN, Albert P.
MASON, Alden O.
U 3,069,491 December 18, 1962 Helical Spring Wire Tie
Preformed tie wire and line wire reinforcement using a simple single length of spring wire with no clips
HAYDEN, Albert P.
MASON, Alden O.
Tie Wire United States Steel Corp.
 HAYS, Frederick W.
U 1,264,396 April 30, 1918 Lightning Arrester
Lightning arrester attached to M-3021
HAYS, Frederick W.
Lightning Arrester/M-3021  
 HAZELTON, Benjamin F.
U 2,107,994 February 8, 1938 Hollow Glass Building Block
Blocks with colored sheets placed inside
HAZELTON, Benjamin F.
OI Owens-Illinois Glass Co.
U 2,145,351 January 31, 1939 Hollow Glass Building Block
Blocks with recess for molten glass to bond two halves together
HAZELTON, Benjamin F.
OI Owens-Illinois Glass Co.
 HAZELTON, Benjamin F.
ZIMMERMAN, Willard P.
HOLMES, Minot K.
U 2,198,578 April 30, 1940 Double Glazing
Double pane window glass with aluminum seal
HAZELTON, Benjamin F.
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
 HEAD, Vernon
U 1,247,531 November 20, 1917 Support for Line Wires
Tie wire clip
HEAD, Vernon
Tie Wire  
 HEADLEY, Benjamin T.
DU BOIS, David Irvin
KOOB, Bernard H.
LOBB, Frank H.
U 1,844,549 February 9, 1932 Glass Working Machine
Press for making glass insulators
HEADLEY, Benjamin T.
DU BOIS, David Irvin
KOOB, Bernard H.
LOBB, Frank H.
Press Whitall Tatum Co.
 HEADLEY, Harry
U 455,400 July 7, 1891 Manufacture of Knob Molds
Method of forming mold boxes for the manufacture of knobs.
HEADLEY, Harry
Knob H. Brunt & Son
 HEARD, Thomas J.
U 1,302,796 May 6, 1919 Insulator
Self-tying
HEARD, Thomas J.
Self-tying Miscellaneous  
 HEAVISIDE, Arthur W.
U 402,592 May 7, 1889 Electric Wire Insulator
Self-tying screw top
HEAVISIDE, Arthur W.
Self-tying Screw Top  
 HECHT, Julius L.
GAPEN, Jotham C.
U Specimen known 1,094,852 April 28, 1914 Insulator Pin
Pin, metal flanged to fit crossarm and interior bolt for attachment to thimble
HECHT, Julius L.
GAPEN, Jotham C.
Pin 1/2 to Electric Service Supplies Co.
 HEFFNER, Herman C.
U 1,095,860 May 5, 1914 Insulator Holder
Pin composed of metal wire
HEFFNER, Herman C.
Pin  
 HEIM, Warren M.
U 1,866,104 July 5, 1932 Insulator Bracket
Wireholder bracket for rack spools
HEIM, Warren M.
Bracket Oliver Iron & Steel Corp.
 HEINRICH, Walter A.
U 2,155,189 April 18, 1939 Electrical Wire Bracket
Wireholder with lag screw
HEINRICH, Walter A.
Wireholder James R. Kearney Corp.
 HEMINGRAY, Ralph G.
U 196,092 October 16, 1877 Improvement in Cleaning Glass From the Ends of Blow-Pipes
Apparatus to remove leftover glass from blow pipes
HEMINGRAY, Ralph G.
HI  
U 290,771 December 25, 1883 Glass Batch Mixer
Glass batch mixer
HEMINGRAY, Ralph G.
HI  
 HEMINGRAY, Ralph G.
GILL, James C.
U Specimen known 496,652 May 2, 1893 Insulator for Telegraph Wires
Drip points Patent was owned by Hemingray Glass Co.
HEMINGRAY, Ralph G.
GILL, James C.
Drip  
 HEMINGRAY, Ralph G.
U 588,795 August 24, 1897 Glass Press
Press for making insulators
HEMINGRAY, Ralph G.
Press  
U 614,303 November 15, 1898 Glass Press
Press for making insulators
HEMINGRAY, Ralph G.
Press  
U Specimen known 686,609 November 12, 1901 Insulating Support for Electric Wires
CD 309.5, Telluride ""Type B"" under-hung combined insulators
HEMINGRAY, Ralph G.
Insulator  
 HEMINGRAY, Ralph G.
JENSEN, John O.
U 866,787 September 24, 1907 Furnace
Producer gas furnace combined with boiler
HEMINGRAY, Ralph G.
JENSEN, John O.
HI  
 HEMINGRAY, Ralph G.
HAWK, Charles
U 909,595 January 12, 1909 Screw Press to Form Insulators
Press for making insulators (see reissue 13,661 on 12-23-1913)
HEMINGRAY, Ralph G.
HAWK, Charles
Press Hemingray Glass Co.
R 13,661 December 23, 1913 Screw Press to Form Insulators
Screw press for insulators (reissue of 909,595)
HEMINGRAY, Ralph G.
HAWK, Charles
Press Hemingray Glass Co.
 HEMINGRAY, Robert
U 30,063 September 18, 1860 Mold for Glass Jars
Mold to form annular groove around opening of fruit jar to receive cap and sealing wax
HEMINGRAY, Robert
Jar  
U 48,399 June 27, 1865 Improved Fruit Jar
Clamp top jar with projections on jar neck
HEMINGRAY, Robert
HI  
D 3,436 March 30, 1869 Design for a Lamp Chimney
Lamp chimney
HEMINGRAY, Robert
Lamp  
U Specimen known 122,015 December 19, 1871 Improvement in Molding Telegraph Insulators
CD 127.4; Press for making insulators first forming interior then threaded pinhole
HEMINGRAY, Robert
Press  
U 160,016 February 23, 1875 Improvement in Paper Perforating Machines
Machine for perforating paper glass etching patterns
HEMINGRAY, Robert
HI  
D 10,678 May 14, 1878 Design for Lamp Shades
Head shaped gas lamp shade
HEMINGRAY, Robert
HI Hemingray Glass Co.
U 212,850 March 4, 1879 Improvements in Machines for Flaring and Crimping Lamp Chimneys and Other Glass Articles
Machine for flaring the ends of lamp chimneys
HEMINGRAY, Robert
HI  
U Specimen known 242,825 June 14, 1881 Glass Press for the Manufacture of Insulators
Press for making glass insulators
HEMINGRAY, Robert
Press  
U 342,602 May 25, 1886 Fastener for Jar Tops
Globe Fruit Jar
HEMINGRAY, Robert
HI  
 HEMPHILL, James R.
U 551,032 December 10, 1895 Cleat for Electric Wiring
Cleat - self-tying
HEMPHILL, James R.
Cleat  
U 2,261,583 November 4, 1941 Method of Making Hollow Forms
Method of casting hollow forms
HEMPHILL, James R.
Manufacturing The Colonial Insulator Co.
 HENDEE, Lem E.
U 1,201,295 October 17, 1916 Insulator Support
Pin, cast metal with lag screw
HENDEE, Lem E.
Pin  
U 1,268,972 June 11, 1918 Insulator Support
Bracket support for spool insulator
HENDEE, Lem E.
Bracket  
U 1,339,391 May 11, 1920 Support for Line Conductors
Bracket with insulator attached to eye formed in the bracket allowing the insulator to swing freely.
HENDEE, Lem E.
   
U 1,583,462 May 4, 1926 Supporting Pin for Insulators
Pin bracket that fits around and bolts to crossarm
HENDEE, Lem E.
Pin Line Material Co.
U 1,651,704 December 6, 1927 Line Insulator
Wireholder with lag screw
HENDEE, Lem E.
Wireholder Line Material Co.
U 1,858,045 May 10, 1932 Wire Support
Wireholder for duplex street lighting conductor running down poles
HENDEE, Lem E.
Wireholder Line Material Co
 HENDERSON, Robert E.
KING, John N.
U 865,697 September 10, 1907 Insulator
Self-tying via side slot
HENDERSON, Robert E.
KING, John N.
Self-tying Miscellaneous 1/4 to Williams, 1/4 to James King
 HENDERSON, Robert H.
HENDERSON, John G.
U 660,271 October 23, 1900 Insulating Knob for Electric Light Wiring
Knob - self-tying
HENDERSON, Robert H.
HENDERSON, John G.
Knob  
 HENDRICKS, Nathan
U 135,334 January 28, 1873 Improvement in Telegraph Insulators
Blocks (2) (glass) inside a metal box with suspended bolt to hold wire
HENDRICKS, Nathan
Block  
 HENDRICKSON, Stephen C.
U 64,315 April 30, 1867 Improvement in Telegraph Insulator
Gutta-percha and bell covering to keep section of wire dry
HENDRICKSON, Stephen C.
Gutta  
 HENRY, Kenneth M.
U 2,210,583 August 6, 1940 Mold
Glass block mold
HENRY, Kenneth M.
OI Owens-Illinois Glass Co.
U 2,988,852 June 20, 1961 Method of Thermally Sealing Hollow Glass Articles at Minimal Temperatures
Glass to glass seal for glass blocks
HENRY, Kenneth M.
OI Owens-Illinois Glass Co.
 HENRY, Robert
U 922,477 May 25, 1909 Electric Line Insulator
Self-tying with side grooves
HENRY, Robert
Self-tying Miscellaneous  
 HERBERT, Joseph T.
U 1,528,056 March 3, 1925 Golf Tee Marker
Porcelain golf tee marker
HERBERT, Joseph T.
Golf Tee The Brunt Porcelain Co.
 HERRICK, Albert B.
U 525,708 September 11, 1894 Bus-Bar Insulating Support
Bracket support for one-wire cleats
HERRICK, Albert B.
Bracket General Electric Co.
 HERZ, Alfred
U 1,222,952 April 17, 1917 Fuse Device
Fuse holder with plug insert to hold the fuse. (see reissue 14,844)
HERZ, Alfred
Fuse Holder 1/2 to Edmund O. Schweitzer
R 14,844 April 20, 1920 Fuse Device
Reissue of patent 1,222,952 for fuse holder with plug insert to hold the fuse. (see patent 1,222,952)
HERZ, Alfred
Fuse Holder 1/2 to Edmund O. Schweitzer
 HETHERINGTON, Bert
U 1,071,419 August 26, 1913 Insulator
Self-tying miscellaneous slotted cube
HETHERINGTON, Bert
Self-tying Miscellaneous  
 HEWETT, Robert J.
U 461,631 October 20, 1891 Insulating Support for Electric Conductors
Oil insulator
HEWETT, Robert J.
Oil  
 HEWITT, John
U 193,654 July 31, 1877 Improvement in Lightning Rods
Lightning rod made by wrapping a corrugated strip of metal spirally around a metal tube
HEWITT, John
Lightning Rod  
U 211,847 February 4, 1879 Improvement in Lightning Rods
Coupling for lightning rods that is larger diameter than rod and supplied with male and female threads
HEWITT, John
Lightning Rod Coupling  
 HEWITT, William
U 287,286 October 23, 1883 Lightning Rod Joint
Coupling for spiraling lightning rods that is an internally threaded collar so each end of the rod can be screwed into the coupling
HEWITT, William
Lightning Rod Coupling  
U 287,929 November 6, 1883 Lightning Rod Coupling
Coupling for spiraling lightning rods such that each end of the rod is screwed into the other
HEWITT, William
Lightning Rod Coupling  
 HEWLETT, Edward M.
D 29,741 November 29, 1898 Design for a Third Rail Insulator
Third rail insulator
HEWLETT, Edward M.
Third Rail General Electric Co.
U 1,109,586 September 1, 1914 Line Disconnecting Switch
Switch to disconnect line for repairs. Composed of several multipart insulators, knife switch, and handles near the ground to operate the switch.
HEWLETT, Edward M.
Switch General Electric Co.
U Specimen known 1,110,934 September 15, 1914 Insulator
Suspension disk
HEWLETT, Edward M.
Suspension General Electric Co.
U 1,191,595 July 18, 1916 Machine for Forming Porcelain Ware
Machine to cut out and shape the Hewlett suspension disk
HEWLETT, Edward M.
Suspension General Electric Co.
U Specimen known 1,500,814 July 8, 1924 Link Insulator
Suspension link strain
HEWLETT, Edward M.
Suspension General Electric Co.
 HIATT, Earl
MACKEN, John J.
U 2,191,143 February 20, 1940 Glass Handling Apparatus
Machine to pick up block halves while in plastic state
HIATT, Earl
MACKEN, John J.
OI Owens-Illinois Glass Co.
 HIATT, SR., Earl
U 2,976,034 March 21, 1961 Chuck for Glass Block Machine
Chuck for Glass Block Machine
HIATT, SR., Earl
OU  
 HIBBARD, Robert L.
U 1,556,440 October 6, 1925 Press for Making Insulators and the Like
Press for forming threads in porcelain insulators and to prevent damaging the threaded pinhole once formed
HIBBARD, Robert L.
Press  
 HICKOK, Russel
U Specimen known 23,373 March 29, 1859 Improved Insulator for Lightning Rods
Lightning rod insulator (glass) and bracket to hold rod
HICKOK, Russel
Lightning Rod Insulator  
 HICKS, Henry A.
U 1,054,690 March 4, 1913 Electric Wire Supporting Device
U-shaped block insulator fitted into slots in the crossarm to hold telegraph and telephone lines.
HICKS, Henry A.
Block  
 HIGGS, Paget
COURTENAY, William
U 269,933 January 2, 1883 Insulator for the Suspension of Electrical Wire Conductors
Hook insulator of ""gelatinized or vulcanized fiber""
HIGGS, Paget
COURTENAY, William
Hook  
 HILL, Charles F.
U 361,520 April 19, 1887 Lightning Rod
Lightning rod with openings for water near the point to allow water to travel down the inside of the rod and a ground point with holes to allow the water to enter the ground
HILL, Charles F.
Lightning Rod  
U 407,660 July 23, 1889 System of Protection from Lightning
Method of protecting oil tanks from lightning
HILL, Charles F.
Lightning Rod  
 HILL, George W.
U 324,692 August 18, 1885 Insulator for Securing Telegraph and other Wires
Cleat
HILL, George W.
Cleat  
 HILL, Gregory C.
U 1,238,768 September 4, 1917 Insulator
Suspension cap and pin to improve strength of connection
HILL, Gregory C.
Suspension  
U 1,977,129 October 16, 1934 Hardware for Guy Strain Insulators
Metal hardware for guy strain insulators
HILL, Gregory C.
Strain Locke Insulator Corp.
U 2,096,613 October 19, 1937 Multithread Pin Insulator Assembly
Pin with threaded malleable thimble that screws onto the steel pin allowing each adjustment of insulator with conductor
HILL, Gregory C.
Pin Locke Insulator Corp.
 HILLEBRAND, William A.
U 1,941,749 January 2, 1934 Insulator
Suspension insulator with upwardly projecting wings on the cap to serve as flux control
HILLEBRAND, William A.
Suspension The Ohio Brass Co.
U 1,967,616 July 24, 1934 Insulator
Tie wire for high voltage multipart pintype insulators using a conductive sleeve between conductor and insulator with tie wire wrapped around the sleeve
HILLEBRAND, William A.
Tie Wire The Ohio Brass Co.
 HILLIARD, John D.
U 914,837 March 9, 1909 Line Support
Tie wires wrapped around the neck of the insulator and clamped to the conductor on each end.
HILLIARD, John D.
Tie Wire  
 HILLIARD, John D.
PARSONS, Charles E.
U 1,015,229 January 16, 1912 Insulator
Suspension using multiple parts cemented together on tubular core. The patent is similar to the commonly referred ""Micarta Core"" insulators, but experts believe the patent was not used for those insulators. The glass insulators may have been made by Hemingray.
HILLIARD, John D.
PARSONS, Charles E.
Suspension J. E. Way
 HILLIARD, John D.
U 1,069,782 August 12, 1913 Electric Insulator
Multipart cable clamp using metal crown cap
HILLIARD, John D.
Multipart  
 HILLIARD, JR., John D.
U 758,179 April 26, 1904 Supporting Pin for Line Insulators
Steel pin with porcelain base and metal cap
HILLIARD, JR., John D.
Pin  
 HILLS, Louis
U 495,552 April 18, 1893 Insulator
Clamp type called the ""Security"" insulator. It was sold by the McLeod, Ward & Co.
HILLS, Louis
Clamp Type  
 HILTY, Robert D.
U Specimen known 1,032,545 July 16, 1912 Insulator
Knob
HILTY, Robert D.
Knob 1/2 to Ira Zeis
U 1,042,677 October 29, 1912 Insulating Cleat
Cleat
HILTY, Robert D.
Cleat 1/2 to Ira Zeis
 HINSDALE, Charles C.
U 287,830 November 6, 1883 Telegraph Insulator
Composition insulator (paper covered wooden insulator) (Brown p. 59)
HINSDALE, Charles C.
Composition  
U 298,753 May 20, 1884 Insulated Telegraph Tie Wire
Tie wire insulated with strips of fabric coated with gutta percha
HINSDALE, Charles C.
Tie Wire  
 HIRES, John Edgar
U 1,486,664 March 11, 1924 Assembling Machine for Insulator Knobs
Machine to assemble nail-knobs
HIRES, John Edgar
Knob Automatic Machinery and Equipment Co., Inc.
 HOBBS, Charles M.
U 693,603 February 18, 1902 Third Rail Insulator for Electric Railways
Square third rail insulator with metal foot and metal cap that fit in a square hole in top and bottom of the insulator.
HOBBS, Charles M.
Third Rail 1/2 to Harold P. Brown
 HOBERT, Clayton
U 711,629 October 21, 1902 Insulator
Self-tying slot top with wedge keeper
HOBERT, Clayton
Self-tying Slot Top 7/10 to S. Miller & E. Kerper
U 759,276 May 10, 1904 Insulator for Telegraph Wires
Self-tying screw top
HOBERT, Clayton
Self-tying Screw Top  
 HOCHER, Andrew A.
LASHER, Marshall
U 2,032,017 February 25, 1936 Sheet Metal Insulator Support Pin and Method of Making the Same
Steel sheet metal pin easily manufactured
HOCHER, Andrew A.
LASHER, Marshall
Pin Hubbard and Co.
 HOCHER, Andrew A.
U Specimen known 2,174,723 October 3, 1939 Insulator
Wireholder with metal loop, base & lag screw
HOCHER, Andrew A.
Wireholder Hubbard & Co.
 HODGES, Nathaniel D. C.
U 443,048 December 16, 1890 Method of Protecting Building from Lightning
Lightning rod with non-conducting box filled with soot to break the electric current forcing it to disperse
HODGES, Nathaniel D. C.
Lightning Rod  
U 505,106 September 19, 1893 Lightning Rod
Lightning rod designed with varying resistance to current flow and gaps between the rod sections to resist the flow of electric current
HODGES, Nathaniel D. C.
Lightning Rod  
 HOENIG, Harry E.
U Specimen known 1,354,396 September 28, 1920 Fastening Device
Knob with ribs on nail to prevent separation
HOENIG, Harry E.
Knob 1/2 to Josiat Smith
U 1,575,484 March 2, 1926 Insulator Bracket
Bracket with lag screw for wireholder knob
HOENIG, Harry E.
Bracket  
 HOFFMAN, Gottfried
U 1,772,947 August 12, 1930 Electric Insulator
Protective metal shield to cover linkage or connectors for suspension disks to prevent moisture damage to threaded connectors
HOFFMAN, Gottfried
Suspension Motor-Columbus Aktiengesellschaft Fur Elektrische Unternehmungen
 HOGE, John R.
D 101,633 October 20, 1936 Design for a Glass Building Block
Block design with large bars on outside & small ridges at angle inside
HOGE, John R.
OI Owens-Illinois Glass Co.
 HOGE, John R.
SOUBIER, Leonard D.
MANKIN, Lawrence O.
U 2,182,986 December 12, 1939 Method and Automatic Device for Sealing Glass Block Halves Together
Machine to seal glass block halves together
HOGE, John R.
SOUBIER, Leonard D.
MANKIN, Lawrence O.
OI Owens-Illinois Glass Co.
 HOIT, Julian D.
U 1,934,308 November 7, 1933 Insulator Support
Bracket mounted horizontally to hold a spool insulator
HOIT, Julian D.
Bracket National Electric Products Corp.
 HOLLAND, James
U 41,157 January 5, 1864 Improvement in Insulators for Telegraph Wires
Earthenware (terra-cotta) insulator to hold 3 to 7 wires
HOLLAND, James
Earthenware  
 HOLLER, John R.
U 1,664,172 March 27, 1928 Insulator
Knob with metal hook to hold wire
HOLLER, John R.
Knob  
 HOLLEY, Minard Y.
U 121,368 November 28, 1871 Improvement in Telegraph Insulators
Triangular insulator to reduce surface contact of tie wire
HOLLEY, Minard Y.
Triangular  
 HOLMES, Henry R.
U 1,734,167 November 5, 1929 Suspension Insulator Fitting
Link design for Hewlett suspension disks to reduce movement
HOLMES, Henry R.
Suspension The R. Thomas & Sons Co.
 HOLMES, Minot K.
U 1,088,278 February 24, 1914 Rain Guard for Insulators
Protective metal rain guard for bottom of skirt
HOLMES, Minot K.
Protective Shield Hemingray Glass Co.
U 1,133,244 March 23, 1915 Glass Working
Machine for making bottles
HOLMES, Minot K.
HI Hemingray Glass Co.
U 1,193,787 August 8, 1916 Glass Working Machine
Press for making insulators
HOLMES, Minot K.
Press Hemingray Glass Co.
U 1,193,788 August 8, 1916 Glass Furnace
Glass furnace design with large doghouse
HOLMES, Minot K.
HI Hemingray Glass Co.
U 1,501,602 July 15, 1924 Leer Feeder
Automatic leer feeder
HOLMES, Minot K.
Manufacturing Hemingray Glass Co.
U 1,642,658 September 13, 1927 Glass Working Machine
Press for making insulators
HOLMES, Minot K.
Press Hemingray Glass Co.
U 1,678,942 July 31, 1928 Mechanical Movement
Gear for automatic insulator press
HOLMES, Minot K.
Press Hemingray Glass Co.
D 82,326 October 21, 1930 Design For a Bottle
Graf's Zep soda bottle
HOLMES, Minot K.
HI Hemingray Glass Co.
D 101,360 September 29, 1936 Design for a Hollow Glass Building Block
Block design with fine bars & medium flutes on opposing sides
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
D 106,977 November 16, 1937 Design for a Hollow Glass Building Block
Block design with internal double ridged bars
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
 HOLMES, Minot K.
JONES, David
U 2,143,696 January 10, 1939 Apparatus for Assembling Hollow Building Blocks
Semi automatic method for assembling glass blocks
HOLMES, Minot K.
JONES, David
OI Owens-Illinois Glass Co.
 HOLMES, Minot K.
MCMAHON, George F.
RAMSEY, Allan
U 2,267,202 December 23, 1941 Fuse Box Construction
Improved design of fuse holder box made of glass
HOLMES, Minot K.
MCMAHON, George F.
RAMSEY, Allan
Fuse Holder Schweitzer & Conrad, Inc.
 HOLMES, Minot K.
U Specimen known 2,336,864 December 14, 1943 Apparatus For Forming Insulators
CD 1030: Wireholder made of glass, press for making the design
HOLMES, Minot K.
Insulator Owens-Illinois Glass Co.
U 2,352,151 June 20, 1944 Insulator
CD 1030; Wireholder made of glass with detachable, interchangeable mounting pins
HOLMES, Minot K.
Wireholder Owens-Illinois Glass Co.
 HOLMES, Minot K.
PLUMMER, Jesse H.
U 2,418,713 April 8, 1947 Thermally Toughened Insulator
CD 228.5: tempering the surface of glass insulators for added strength
HOLMES, Minot K.
PLUMMER, Jesse H.
Insulator Owens-Illinois Glass Co.
 HOLMES, Welles E.
U Specimen known 626,065 May 30, 1899 Insulator
Tree hanger
HOLMES, Welles E.
Tree  
 HOMAN, Herman H.
U 9,260 September 14, 1852 Improvement in Lightning Rods
Lightning rod point made of sections of different metal each melting at a lower temperature out to the tip
HOMAN, Herman H.
Lightning Rod Point  
 HOMER, John W.
U Specimen known 1,218,181 March 6, 1917 Insulator Knob
nail-knob made by Cook Pottery Co. known as the ""Wedge"".
HOMER, John W.
Knob  
 HOOVENS, Amasa G.
U 1,170,260 February 1, 1916 Lightning Rod
Tubular lightning rod points with Y-shaped attachment to conductor
HOOVENS, Amasa G.
Lightning Rod  
U 1,649,697 November 15, 1927 Lightning Rod Support
Lightning rod with supporting feet for tiled roof peaks that fit over ridge tiles and under the tile edges
HOOVENS, Amasa G.
Lightning Rod  
 HOOVER, Frank
U 575,952 January 26, 1897 Insulator
Ball insulator fit in hole in bottom of crossarm
HOOVER, Frank
Ball 2/3 to W. Bennett & D. Murrell
 HOPKINS, Guy
U 1,084,147 January 13, 1914 Support for Electric Service Wires
Bulbous insulator mounted on a crossarm pin to allow tie-off and running multiple service wires from the main power conductor
HOPKINS, Guy
Service Drop  
 HOPKINS, Roy S.
U 1,206,846 December 5, 1916 Insulator
Hole in crown with mercury receiving ends of line wires & clamp
HOPKINS, Roy S.
Hole  
 HORD, Guy
U Specimen known 2,450,730 October 5, 1948 Post and Insulator for Electric Fences
Electric fence composed of a rod and adjustable insulator to hold the conductor
HORD, Guy
Electric Fence  
 HORROCKS, Raymond G.
MILLER, Carroll de V.
BRENNER, Theodore J.
U 2,912,482 November 10, 1959 Aerial Cable Support and Spacer
Support and spacer for multiple electrical power lines
HORROCKS, Raymond G.
MILLER, Carroll de V.
BRENNER, Theodore J.
Spacer PLM Products, Inc.
 HORTON, John T.
D 52,991 February 11, 1919 Design for an Insulator
Miscellaneous knob
HORTON, John T.
Knob  
 HOSFIELD, Glenn E.
U 2,215,152 September 17, 1940 Insulator
Rubber insert
HOSFIELD, Glenn E.
Rubber  
 HOSTETTER, John C.
LITTLETON, Jesse T.
U Specimen known 2,133,768 October 18, 1938 Insulator
RFI: non-conducting iron iridized coating over tin iridized coating (see 2,118,795)
HOSTETTER, John C.
LITTLETON, Jesse T.
RFI Corning Glass Works
 HOUDE, Victor Frederick
U 1,829,354 October 27, 1931 Insulator
Self-tying clamp-top
HOUDE, Victor Frederick
Self-tying Miscellaneous 1/2 to Ferdinand La Fleche
 HOUSEL, Benjamin F.
THAYER, Simeon O.
U 107,051 September 6, 1870 Improvement in Machines for Making Tubular Lightning Conductors
Machine for making corrugated lightning rods out of sheet metal
HOUSEL, Benjamin F.
THAYER, Simeon O.
Lightning Rod Machine  
 HOYBROOK, Henry L.
U 1,047,059 December 10, 1912 Insulator Support for Line Wires
Clamp type
HOYBROOK, Henry L.
Clamp Type  
 HUBBARD, Albert S.
U 1,106,095 August 4, 1914 Electrical Battery
Battery insulators with oil inside
HUBBARD, Albert S.
Battery Gould Storage Battery Co.
U Specimen known 1,190,766 July 11, 1916 Insulating Support
Battery support insulator
HUBBARD, Albert S.
Battery Gould Storage Battery Co.
 HUBBARD, David C.
U 2,592,698 April 15, 1952 Insulator Supporting Pin and Cob
Steel pin with threaded cob made of cellulose acetate butyrate molded into threads (see reissue 23,885 on 10-5-1954)
HUBBARD, David C.
Pin A. B. Chance Co.
R 23,885 October 5, 1954 Insulator Supporting Pin and Cob
Steel pin with threaded cob made of cellulose acetate butyrate molded into threads (reissue of 2,592,698)
HUBBARD, David C.
Pin A. B. Chance Co.
 HUBBARD, John H.
U 1,067,246 July 15, 1913 Wire Clamp for Insulators
Tie wire camming lever
HUBBARD, John H.
Tie Wire 1/2 to H. A. Dusky
 HUDSON, Christopher C.
U 1,233,475 July 17, 1917 Insulator
Clamp type with lag screw
HUDSON, Christopher C.
Clamp Type  
 HUFF, George E.
U 418,369 December 31, 1889 Screw Cleat for Electric Wires
Cleat (screw) to hold wire
HUFF, George E.
Cleat  
 HUGHES, Chauncey W. B.
D 85,044 September 8, 1931 Design for a Bottle
Design for a Bottle (Blatz)
HUGHES, Chauncey W. B.
HU  
 HUM, Edward K.
U 492,512 February 28, 1893 Lightning Rod Ball
Hollow glass ball with metal tube inserted that is flanged on each end to secure it in the ball
HUM, Edward K.
Lightning Rod Ornament  
U 556,984 March 24, 1896 Lightning Rod Ball
Method of silvering the interior of the ball and protecting the silver with a coating
HUM, Edward K.
Lightning Rod Ornament  
 HUMPHREY, Clarence A.
U 802,397 October 24, 1905 Insulator for Electric Wires
Self-tying screw top
HUMPHREY, Clarence A.
Self-tying Screw Top  
 HUNT, Emory C.
U 753,398 March 1, 1904 Cleat for Electric Wiring
Knob - 2-piece with base cut at an angle
HUNT, Emory C.
Knob 1/2 to Charles Snyder
U Specimen known 753,399 March 1, 1904 Combination Bracket and Knob for Electric Conductors
nail-knob with hole in the top and two side groove for tie-wire (see Western Electrician 4-29-1905)
HUNT, Emory C.
Knob 1/2 to Charles Snyder
U 776,514 December 6, 1904 Cleat for Electric Wiring
Knob - split
HUNT, Emory C.
Knob 1/2 to C. W. E. Snyder
 HUNT, Marsden H.
U 1,973,076 September 11, 1934 Insulator
RFI: coat crown with gold, platinum, bismuth & semi-conductive area
HUNT, Marsden H.
RFI Westinghouse Electric & Mfg. Co.
 HUNT, Marsden H.
BARROW, George M.
U 1,987,683 January 15, 1935 Insulator
RFI: coat crown with copper glaze to prevent AM radio interference
HUNT, Marsden H.
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
U 1,997,688 April 16, 1935 Insulator
RFI: coat crown with copper glaze to prevent radio interference
HUNT, Marsden H.
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
 HUNTER, Ira
U 1,099,374 June 9, 1914 Insulator
Block in crossarm
HUNTER, Ira
Block 2/3 to Rafferty, 1/3 to Wells
 HUNTER, Russell N.
STOVER, Herbert F.
U Specimen known 1,840,362 January 12, 1932 Transposition Bracket for Insulators
Bracket for transposition
HUNTER, Russell N.
STOVER, Herbert F.
Bracket American Telephone & Telegraph Co.
 HUSTED, Norris C.
U 1,761,671 June 3, 1930 Secondary Rack
Secondary rack or wireholder with rounded edges to more easily allow wire to be pulled through it during installation.
HUSTED, Norris C.
Bracket  
U 1,770,138 July 8, 1930 Insulator Rack
Metal bracket for wire holders or secondary racks.
HUSTED, Norris C.
Bracket  
 HUTCHISON, Miller Reese
NORTON, Charles W.
U 1,313,384 August 19, 1919 Battery Supporting Device
CD 40; Battery for submarines using a special battery rest insulator
HUTCHISON, Miller Reese
NORTON, Charles W.
Battery Edison Storage Battery Co.
 IDEN, Charles H.
U 3,122,861 March 3, 1964 Field Replacement Block in Masonry Walls and Panels
Field Replacement of Glass Blocks
IDEN, Charles H.
OI Owens-Illinois Glass Co.
 ILES, Charley S.
U 1,333,420 March 9, 1920 Insulator Bracket
Bracket that fits around crossarm to support egg-shaped insulators
ILES, Charley S.
Bracket  
 ILIOHAN, Anthony H.
U 816,981 April 3, 1906 Cross Arm for Electric or Signal Wires
Pin mounted under the crossarm and curving upward to hold the insulator
ILIOHAN, Anthony H.
Pin  
 IRONS, William H.
U 876,059 January 7, 1908 Split Knob
Knob
IRONS, William H.
Knob  
 IRWIN, George M.
U Specimen known 120,748 November 7, 1871 Improvement in Tops for Molasses Pitchers
Syrup jug top
IRWIN, George M.
HU  
 IRWIN, John H.
U 47,551 May 2, 1865 Improvement in Lanterns
Railroad Lantern
IRWIN, John H.
HU  
U 50,591 October 24, 1865 Improvement in Lanterns
Railroad Lantern
IRWIN, John H.
HU  
 IRWIN, John J.
U Specimen known 1,229,272 June 12, 1917 Insulator
CD 210 with top saddle groove (see 954,350)
IRWIN, John J.
Insulator  
 ISKE, Albert
U 531,635 January 1, 1895 Electric Wire Holder or Insulator
Knob - 2 piece
ISKE, Albert
Knob  
 JACKSON, Berry B.
U 1,381,838 June 14, 1921 Insulator Support
Steel pins for crossarm made from one metal rod integral to the wooden crossarm and acts a braces for the crossarm.
JACKSON, Berry B.
Pin  
 JACKSON, Ray P.
U 1,191,186 July 18, 1916 Insulator
Multipart insulator composed of easily assembled identical shells
JACKSON, Ray P.
Multipart Westinghouse Electric & Mfg. Co.
U 1,198,131 September 12, 1916 Insulator
Method of cementing and attaching nested porcelain shells
JACKSON, Ray P.
  Westinghouse Electric & Mfg. Co.
 JACKSON, Ray P.
SCHAAKE, William
U 1,248,498 December 4, 1917 Suspension Device for Insulators
Suspension pin to link disks
JACKSON, Ray P.
SCHAAKE, William
Suspension Westinghouse Electric & Mfg. Co.
 JACKSON, Ray P.
U 1,286,010 November 26, 1918 Suspension Device
Suspension pin to link disks
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,303,324 May 13, 1919 Electric Insulator
Suspension tubular insulator with flanged top metal cap and bottom metal cap
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,555,289 September 29, 1925 Insulator
Strain insulator connecting hardware
JACKSON, Ray P.
Strain Westinghouse Electric & Mfg. Co.
U 1,578,526 March 30, 1926 Insulator
Suspension string composed of multiple porcelain disks with a hook-like link on top and bottom to allow them to be quickly strung together
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,621,016 March 15, 1927 Method of and Means for Coating Inner Surfaces of Hollow Bodies
Manufacturing method of spraying gummy coating to the inside of the cement joint of an insulator
JACKSON, Ray P.
Manufacturing Westinghouse Electric & Mfg. Co.
U 1,622,648 March 29, 1927 Insulator
Suspension similar to Hewlett with uniform thickness of porcelain
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,677,346 July 17, 1928 Insulator
Fogbowl suspension
JACKSON, Ray P.
Fog Type Westinghouse Electric & Mfg. Co.
 JACOBS, Charles A.
U 463,756 November 24, 1891 Wire Hanger
Wire hanger using two spool insulators in a bracket to secure the line wire
JACOBS, Charles A.
Hanger  
 JACOBS, Ernest H.
U 1,274,555 August 6, 1918 Choke Coil Mounting
Secure mounting of a choke coil on top of two multipart insulators fitted with metal brackets clamped to the crown (see 1,574,964 and 1,663,007)
JACOBS, Ernest H.
Choke Coil Electrical Engineers Equipment Co.
U Specimen known 1,663,007 March 20, 1928 Electric Conductor Support
Insulator attachments to support equipment (see 1,274,555 and 1,574,964)
JACOBS, Ernest H.
Equipment Electrical Engineers Equipment Co.
 JAMES, Hamilton L.
U 310,059 December 30, 1884 Insulator
Metal plate to hold wire on side of insulator
JAMES, Hamilton L.
Metal  
 JAMIESON, Bertrand G.
KELLER, Carl A.
U 1,056,998 March 25, 1913 Insulator
Means of insulating and supporting a bussbar.
JAMIESON, Bertrand G.
KELLER, Carl A.
Bussbar  
 JEFFERY, Joseph A.
JEFFERY, Benjamin A.
U 1,186,203 June 6, 1916 Apparatus for Use in Manufacturing Articles of Ceramic Material
Method of manufacturing spark plugs
JEFFERY, Joseph A.
JEFFERY, Benjamin A.
Manufacturing  
U 1,223,792 April 24, 1917 Apparatus for Use in Manufacturing Articles of Ceramic Material
Machine for manufacturing spark plugs
JEFFERY, Joseph A.
JEFFERY, Benjamin A.
Manufacturing  
 JEFFERY, Joseph A.
U 1,240,575 September 18, 1917 Method of Preparing Ceramic Articles for Handling
Method of manufacturing clay bodies for porcelain insulators
JEFFERY, Joseph A.
Manufacturing  
U 1,409,953 March 21, 1922 Ceramic Insulating Material
Porcelain composition using Sillimanite for high electrical and mechanical strength and low coefficient of expansion, which is particularly suitable for spark plugs
JEFFERY, Joseph A.
Porcelain Jeffery-Dewitt Co.
U 1,468,947 September 25, 1923 Furnace for Decorating Ceramic Ware
Kiln for firing porcelain spark plug insulators
JEFFERY, Joseph A.
Manufacturing Jeffery-Dewitt Co.
 JEFFERY, Joseph A.
MONTGOMERY, Earle T.
U 1,631,729 June 7, 1927 Ceramic Insulating Material
Porcelain composition for spark plugs and insulators consisting of Sillimanite and a glassy matrix
JEFFERY, Joseph A.
MONTGOMERY, Earle T.
Porcelain Champion Porcelain Co.
U 1,631,730 June 7, 1927 Ceramic Material
Porcelain composition for spark plugs and insulators consisting of Sillimanite
JEFFERY, Joseph A.
MONTGOMERY, Earle T.
Porcelain Champion Porcelain Co.
 JEFFERY, Joseph A.
RIDDLE, Frank H.
U 1,723,174 August 6, 1929 Use of Dumortierite
Porcelain composition use the mineral dumortierite which allows firing at a lower temperature
JEFFERY, Joseph A.
RIDDLE, Frank H.
Porcelain Champion Porcelain Co.
 JEFFERY, Joseph Arthur
JEFFERY, Benjamin Alfred
U 1,171,205 February 8, 1916 Process of Manufacturing Porcelain Articles
Method of forming the shape of a spark plug insulator from a dry blank
JEFFERY, Joseph Arthur
JEFFERY, Benjamin Alfred
Manufacturing  
 JELLYMAN, Philip E.
U 2,870,244 January 20, 1959 Glass Insulator Assembly Units
Glass toughened by stream of air after forming
JELLYMAN, Philip E.
Glass Pilkington Brothers Limited
 JELLYMAN, Philip E.
DICKINSON, George A.
MACINTOSH, Hamish F.
U 2,895,260 July 21, 1959 Method of Treating a Glass Insulator
Method of making a toughened glass insulator
JELLYMAN, Philip E.
DICKINSON, George A.
MACINTOSH, Hamish F.
Glass Pilkington Brothers Ltd.
 JELLYMAN, Philip E.
MACINTOSH, Hamish Fraser
WILCOCK, John E.
U 2,972,211 February 21, 1961 Method of Manufacturing a Glass Insulator
Method of tempering glass insulators where the head is toughened more than the rest of the insulator
JELLYMAN, Philip E.
MACINTOSH, Hamish Fraser
WILCOCK, John E.
Glass Pilkington Brothers Ltd.
 JENKINS, Wilton F.
U Specimen known 682,709 September 17, 1901 Insulator
Knob to support underground conduit electric railways
JENKINS, Wilton F.
Knob  
 JENNER, Ralph L.
U 1,937,964 December 5, 1933 Insulator Support for Tower or Mast Type Antenna
Insulator for supporting radio tower or mast antenna
JENNER, Ralph L.
Antenna Lapp Insulator Co., Inc.
U 2,144,537 January 17, 1939 Insulator Construction
Metal end cap for post insulator
JENNER, Ralph L.
Post Type Lapp Insulator Co., Inc.
 JENNER, Ralph L.
FIERO, Carl D.
U 2,625,581 January 13, 1953 Guy Insulator
Heavy duty guy strain insulator
JENNER, Ralph L.
FIERO, Carl D.
Strain Lapp Insulator Co., Inc.
 JENNINGS, Byron
U 402,836 May 7, 1889 Insulator and Holder for Electric Railways
Third rail insulator clamps the rail upsidedown.
JENNINGS, Byron
Third Rail  
U 452,523 May 19, 1891 Electric Insulator
Cone of wood with metal shield for trolley wire hanger
JENNINGS, Byron
Wood 1/2 to James Brusie
 JERVEY, William T.
U 2,092,515 September 7, 1937 Insulator
Circular line spacer for telephone wires composed of a disk with holes for each wire
JERVEY, William T.
Spacer Bell Telephone Laboratories, Inc.
 JEWETT, Frank B.
U 1,033,019 July 16, 1912 Insulator
Cover for bridle wire drop
JEWETT, Frank B.
Miscellaneous American Telephone & Telegraph Co.
 JILLSON, Clark
U 61,741 February 5, 1867 Improvement in Lightning Rods
Lightning rod made from an iron rod with grooves and strips of copper slid into the grooves to make ribs
JILLSON, Clark
Lightning Rod  
 JOBBINS, William F.
U 228,077 May 25, 1880 Telegraphic and Telephonic Insulator
Wooden insulator with paper thimble and covering
JOBBINS, William F.
Wood  
 JOHNS, George McDonald
RICHARD, Thomas T.
U 2,300,674 November 3, 1942 Secondary Rack
Bracket for wireholders or rack spools. Each insulator bracket is easily connected or attached to the supporting bracket.
JOHNS, George McDonald
RICHARD, Thomas T.
Bracket/wireholder Smith-Johns Inc.
 JOHNSON, Alfred
U 840,336 December 25, 1906 Insulator
Knob
JOHNSON, Alfred
Knob  
 JOHNSON, August
U 1,177,867 April 4, 1916 Insulator Protector
Protective shield of metal to protect glass insulator
JOHNSON, August
Protective Shield  
 JOHNSON, Benjamin
U 1,700,166 January 29, 1929 Insulator for Bridle Wires
Dry-spot using coke bottle top & cap
JOHNSON, Benjamin
Dry-spot American Telephone & Telegraph Co.
 JOHNSON, Chauncey C.
U Specimen known 888,616 May 26, 1908 Insulator
CD 109.7 self-tying with fingers
JOHNSON, Chauncey C.
Insulator 45/100 to John Watson
U Specimen known 913,212 February 23, 1909 Insulator Mold
Plunger for press formed segmented threads in pinhole
JOHNSON, Chauncey C.
Plunger 9/20 to John Watson
 JOHNSON, Edgar F.
U 2,043,754 June 9, 1936 Transposition Insulator
Transposition for radio line
JOHNSON, Edgar F.
Transposition  
 JOHNSON, Ewald E.
U 1,284,110 November 5, 1918 Insulator and Bracket
Bracket for spool type insulator
JOHNSON, Ewald E.
Bracket  
 JOHNSON, Harry C.
U 2,409,491 October 15, 1946 Adjustable Fastener for Electric Fence Insulators
Electric fence and post with easily adjustable insulator to hold the conductor
JOHNSON, Harry C.
Fence  
 JOHNSON, Isaac
U 47,310 April 18, 1865 Improvement in Lightning Conductors
Lightning rod made up of an iron core and covered with triangular twisted metal
JOHNSON, Isaac
Lightning Rod  
U 170,377 November 23, 1875 Improvement in Lightning Rods
Coupling for hollow lightning rods composed of a hollow indented plug that fits into indentions in the rod ends
JOHNSON, Isaac
Lightning Rod Coupling  
U 173,962 February 22, 1876 Improvement in Couplings for Tubing and Lightning Rods
Coupling made of a short hollow piece placed inside both ends of the rod and crimped down through the rod ends to secure the sections
JOHNSON, Isaac
Lightning Rod Coupling Reyburn, Hunter & Co.
 JOHNSON, Isaac
PRICE, David A.
U 173,963 February 22, 1876 Improvement in Lightning Rods
Lightning rod with solid supporting rod fitted inside and screwed into the rod coupling on each end
JOHNSON, Isaac
PRICE, David A.
Lightning Rod Reyburn, Hunter & Co.
 JOHNSON, Lawrence
U 2,585,249 February 12, 1952 Clip for Holding Electrical Conducting Wires to Insulating Supports
Tie wire replacement made from preformed spring metal clip
JOHNSON, Lawrence
Tie Wire  
 JOHNSON, Lewis E.
U Specimen known 2,286,488 June 16, 1942 Spool Insulator
Spool insulator with deep side groove
JOHNSON, Lewis E.
Spool Porcelain Products, Inc.
 JOHNSON, Mathew
U Specimen known 282,989 August 14, 1883 Apparatus for Making Glass Insulators
Press for making insulators
JOHNSON, Mathew
Press  
 JOHNSON, Walter C.
PHILLIPS, Samuel E.
U Specimen known 201,615 March 26, 1878 Improvement in Insulators for Telegraph Wires
Oil cup insulator
JOHNSON, Walter C.
PHILLIPS, Samuel E.
Oil  
 JOHNSTON, Chauncey C.
U 697,628 April 15, 1902 Insulator and Attachment for Electric Wires
Self-tying screw top
JOHNSTON, Chauncey C.
Self-tying Screw Top  
 JOHNSTON, Fred E.
U 2,135,344 November 1, 1938 Transposed Lead-In
Transposition for radio line
JOHNSTON, Fred E.
Transposition Crosley Radio Corp.
 JOHNSTON, Robert M.
U 974,672 November 1, 1910 Insulator
Suspension insulator
JOHNSTON, Robert M.
Suspension The Ohio Brass Co.
U Specimen known 1,329,770 February 3, 1920 Insulator
Suspension type for J-D
JOHNSTON, Robert M.
Suspension Jeffery-Dewitt Co.
U Specimen known 1,716,963 June 11, 1929 Insulator
Suspension coupling device (see 1,329,770)
JOHNSTON, Robert M.
Suspension Jeffery-Dewitt Co.
 JOHNSTON, Robert M.
MCLACHLAN, Alexander
U 1,851,671 March 29, 1932 High Tension Insulator
Suspension insulator with metal attachments fixed with zinc, lead/antimony alloys
JOHNSTON, Robert M.
MCLACHLAN, Alexander
Suspension  
 JONES, David
D 99,087 March 24, 1936 Design for a Glass Building Block
Block design with small square prisms
JONES, David
OI Owens-Illinois Glass Co.
D 106,980 November 16, 1937 Design for a Glass Building Block
Block design with fine lines on exterior and fine ribbed on interior
JONES, David
OI Owens-Illinois Glass Co.
 JONES, William B.
BLUE, Charles E.
U 837,409 December 4, 1906 Machine for Making Glass Insulators
Insulator press
JONES, William B.
BLUE, Charles E.
Press  
 JOSLIN, William E.
U 386,986 July 31, 1888 Electric Insulator Peg
Pin (wooden) tapered below threads & to have metal rod inserted, too
JOSLIN, William E.
Pin  
 JOYCE, Bryan P.
U 1,596,931 August 24, 1926 Insulator
Slack wire cylindrical insulator and mounting clip
JOYCE, Bryan P.
Slack Wire  
 JUEL, Peter J.
U 1,135,940 April 13, 1915 Lightning Rod Cable
Flexible lightning rod conductor made of twisted and spiralled wire cable
JUEL, Peter J.
Lightning Rod H. S. Rottenborg and H. C. Hansen
 JUKES, Wesley L.
U 38,492 May 12, 1863 Improvement in Lamp Chimneys
Fluted lamp chimney
JUKES, Wesley L.
HU  
 KATZENBERGER, Bernard
JANSEN, Theodor
U 1,704,005 March 5, 1929 Insulator Mounting
Suspension pin with lugs that fits in slot and turned to lock it inside the insulator
KATZENBERGER, Bernard
JANSEN, Theodor
Suspension Aktiengesellschaft Brown Boveri & Cie.
 KEARNEY, Samuel G.
U Specimen known 1,365,411 January 11, 1921 Guy Clamp
A strong and durable guy strain clamp.
KEARNEY, Samuel G.
Clamp  
 KEENAN, James Condon
KEENAN, Michael Henry
U 1,276,228 August 20, 1918 Line Wire Connector
Tie wire replacement using a preformed sheet metal loop with curved ends that fit over the line wire
KEENAN, James Condon
KEENAN, Michael Henry
Tie Wire  
 KEGG, Robert R.
U 2,596,694 May 13, 1952 Glass Welding Method
Method of welding glass block and TV Tube halves together
KEGG, Robert R.
OI Owens-Illinois Glass Co.
 KEGG, Robert R.
LA BRECQUE, Raymond E.
WARNKE, Richard C.
U 3,096,684 July 9, 1963 Fenestration Structure for Control of Daylighting
Glass block wall construction
KEGG, Robert R.
LA BRECQUE, Raymond E.
WARNKE, Richard C.
OI Owens-Illinois Glass Co.
 KEITHLEY, Herbert R.
U 433,409 July 29, 1890 Electric Railway
Electric railway with third rail insulated with glass insulators.
KEITHLEY, Herbert R.
Third Rail  
 KEITHLY, Willie C.
U 579,725 March 30, 1897 Insulator and Holder for Electric Railways
Trolley hanger insulator suspended from a cable. It is composed of an inverted insulator cup and a metal cover.
KEITHLY, Willie C.
Trolley Hanger  
 KELLS, Herbert R.
U 1,194,747 August 15, 1916 Insulator
Knob
KELLS, Herbert R.
Knob  
 KELLY, Alexander W.
SAMUEL, John B.
U 98,270 December 28, 1869 Improvement in Machine for Grinding Glass Jars
Use of adjustable arms to grind the mouth of glass jars
KELLY, Alexander W.
SAMUEL, John B.
Jar  
 KEMPTON, Willard H.
R 13,526 February 11, 1913 Insulator
Reissue of patent 904,069. Strain insulator to electrically disconnect the circuit.
KEMPTON, Willard H.
Strain The Johns-Pratt Co.
 KEMPTON, Williard H.
U 904,069 November 17, 1908 Insulator
Strain insulator to electrically disconnect the circuit. (see reissue 13,526)
KEMPTON, Williard H.
Strain The Johns-Pratt Co.
 KENDALL, Earl H.
U 2,292,948 August 11, 1942 Insulator and the Like
Wireholder with slot for attaching lag screw
KENDALL, Earl H.
Wireholder  
 KENDALL, Roy C.
D 122,269 September 3, 1940 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
D 126,906 April 29, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
D 130,518 November 25, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
D 130,519 November 25, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
D 130,520 November 25, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
D 130,521 November 25, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
 KENDIG, Julian H.
U 1,217,315 February 27, 1917 Insulator
Knob
KENDIG, Julian H.
Knob  
D Specimen known 52,139 July 2, 1918 Design for a Strain Insulator
Strain
KENDIG, Julian H.
Strain  
 KENNEALLY, Martin M.
U 2,361,109 October 24, 1944 Insulating Protector for Conducting Wires
Tree insulator to protect the wire
KENNEALLY, Martin M.
Tree The Porcelain Insulator Corp.
 KENNEDY, Matthew G.
U 1,101,802 June 30, 1914 Conductor Clamp
Clamp attached to insulator wire groove to hold a vertivcal duplex conductor to street lamp (see 1,140,050)
KENNEDY, Matthew G.
Clamp The States Co.
U 1,184,963 May 30, 1916 Insulator Pin
Pin, metal with circular groove to receive threaded wooden pin
KENNEDY, Matthew G.
Pin  
 KENNEY, Benjamin D.
U 899,871 September 29, 1908 Mantle Ring Mold
A mold for making mantle rings.
KENNEY, Benjamin D.
Mold The R. Thomas & Sons Co.
U Specimen known 1,010,920 December 5, 1911 High Tension Insulator
Suspension cap and pin design using simple locking pin
KENNEY, Benjamin D.
Suspension The R. Thomas & Sons Co.
 KEPHART, John A.
U 1,105,521 July 28, 1914 Insulator Attachment
Tie wire clamp
KEPHART, John A.
Tie Wire  
 KEPPLER, Lewis F.
U 1,219,746 March 20, 1917 Insulator Bracket
Pin, side pin type made of sheet metal
KEPPLER, Lewis F.
Pin  
 KERR, Benjamin W.
U 1,590,381 June 29, 1926 Insulator Cap
Iron insulator cap cemented to top of insulator to support electrical equipment
KERR, Benjamin W.
Cap Railway and Industrial Engineering Co.
 KERSCHNER, Richard M.
U 1,743,552 January 14, 1930 Pin Type Insulator
Pin with sharp pointed threads that engage the insulator only at the tips of the threads and insulator with shallow depressions in the pinhole rather than threads
KERSCHNER, Richard M.
Pin Hubbard & Co.
U 1,794,520 March 3, 1931 Insulator Rack
Bracket for rack spool wireholder (see 1,822,037)
KERSCHNER, Richard M.
Bracket Hubbard & Co.
U 1,822,037 September 8, 1931 Method of Making Insulator Racks
Method of making rack spool brackets (see 1,794,520)
KERSCHNER, Richard M.
Manufacturing Hubbard & Co.
 KESSLER, William
U 440,042 November 4, 1890 Insulator for Electric Conductors
Knob - 2 piece
KESSLER, William
Knob  
 KETTRON, Charles W.
U Specimen known 1,127,776 February 9, 1915 Insulator
Reversible nail-knob
KETTRON, Charles W.
Knob Illinois Electric Porcelain Co.
U 1,429,079 September 12, 1922 Split Insulator
Knob
KETTRON, Charles W.
Knob Illinois Electric Porcelain Co.
 KEYES, Frank E.
U 383,734 May 29, 1888 Insulator for Electrical Wires
Self-tying slot top & metal keeper
KEYES, Frank E.
Self-tying Slot Top  
 KEYS, Charles F.
U 529,866 November 27, 1894 Ornament for Lightning Rods
Inexpensive lightning rod ornament in the method of construction of a weathervane
KEYS, Charles F.
Weathervane  
 KIDWELL, George W.
U Specimen known 120,884 November 14, 1871 Improvement in Telegraph Insulators
Cylinder (split and circular) mounted in crossarm to hold wire
KIDWELL, George W.
Cylinder  
 KILLIAN, Stanley C.
DEWEY, Benjamin F.
U 3,582,538 June 1, 1971 Prestressed Insulator
Prestressing post type insulators by making porcelain in compression in order to increase cantilever load
KILLIAN, Stanley C.
DEWEY, Benjamin F.
Post Type Interpace Corp.
 KING, Charles K.
MEAD, George A.
U Specimen known 628,667 July 11, 1899 Insulated Rail Support
Third rail type (see stoneware specimen in 1989 CJ)
KING, Charles K.
MEAD, George A.
Third Rail  
 KING, Charles K.
U Specimen known 667,882 February 12, 1901 Feeder Wire Insulator
Mine insulator (similar to Sackett see 903,692) [CD 1025?]
KING, Charles K.
Mine  
 KING, L.
U 49,633 August 29, 1865 Joints of Lightning Rods
Joint or coupling for tubular lightning rod that slips over the rod and secured with a screw
KING, L.
Lightning Rod Coupling  
 KING, Lewis
U 113,530 April 11, 1871 Improvement in Lightning Rods
Lightning rods connected with a tubular metal dowel
KING, Lewis
Lightning Rod Coupling  
 KING, Theodore F.
D Specimen known 35,462 December 17, 1901 Design for an Insulator for Electric Wires
Self-tying pin type (see patent 707,429; 952,279)
KING, Theodore F.
Pin-type  
U Specimen known 707,429 August 19, 1902 Insulator for Electric Wires
CD 207.5; Self-tying twist lock type (see 952,279) (see design 35,462)
KING, Theodore F.
Self-tying Twist  
 KINSEY, Theodore T.
U 90,949 June 8, 1869 Improvement in Lightning Rods
Lightning rod made of two long strips of metal rivited together and twisted
KINSEY, Theodore T.
Lightning Rod  
 KINSLEY, William S.
BELL, Stewart S.
U 756,026 March 29, 1904 Insulator
Tree hanger
KINSLEY, William S.
BELL, Stewart S.
Tree  
 KINSMAN, Frank E.
U 781,661 February 7, 1905 Stringer Support for Electric Third Rails
Method of mounting stringers for third rails made of a beam of wood on standard telegraph and telephone glass insulators
KINSMAN, Frank E.
Third Rail  
 KIRK, Charles J.
BRAIN, GEORGE
U 1,304,571 May 27, 1919 Mold for Forming Insulators or Other Porcelain Objects
Mold for bushing with undercut petticoats formed by the casting process by pouring in clay slip
KIRK, Charles J.
BRAIN, GEORGE
Mold  
 KIRTLAND, George
U 78,459 June 2, 1868 Improvement in Lightning Rods
Means of connecting tubular lightning rods and supporting with rubber brackets
KIRTLAND, George
Lightning Rod Coupling S. Smith
 KISSELL, Jacob A.
BLICKENSDERFER, Nathan
U 66,854 July 16, 1867 Improvement in Corrugated Lightning Rods
Lightning rod made of a continuous flat strip of copper corrugated longitudinally
KISSELL, Jacob A.
BLICKENSDERFER, Nathan
Lightning Rod  
 KITO, Kuniji
WATANABE, Akihiro
U 4,559,414 December 17, 1985 Electrolytic Corrosion Resistant Insulator
Suspension insulator that is corrosion resistant
KITO, Kuniji
WATANABE, Akihiro
Suspension NGK Insulators, Ltd.
 KITSELMAN, Harry L.
HOLMES, Alvin W.
U 2,897,256 July 28, 1959 Line Wire Support
Tie wire and line reinforcement using a preformed hard drawn wire helix designed to allow adjustment of line wire after installation
KITSELMAN, Harry L.
HOLMES, Alvin W.
Tie Wire Indiana Steel & Wire Co.
 KITTS, David Roscoe
U 1,748,884 February 25, 1930 Leakproof Insulator
Bell shaped radio antenna insulator to protect wire from getting wet from rain or snow.
KITTS, David Roscoe
Antenna  
 KLAUBER, Laurence M.
CAVELL, Ray C.
U 1,213,211 January 23, 1917 Current Distributing Apparatus
Bracket attached below the insulator to allow tie-off and running of multiple service wires from the same main power conductor
KLAUBER, Laurence M.
CAVELL, Ray C.
Service Drop San Diego Consolidated Gas and Electric Co.
 KLECKNER, John A.
U 162,828 May 4, 1875 Improvement in Lightning Rods
Lightning rod made of corrugated or ribbed hollow metal braced on the inside with pitchfork like multiple tines for the point
KLECKNER, John A.
Lightning Rod 1/2 to Henry F. Sholty
 KLEIN, Charles H.
U Specimen known 1,563,377 December 1, 1925 Pulling and Transposing Mechanism for Line Wires
Mechanism for pulling multiple wires in order to string them for transposing.
KLEIN, Charles H.
Equipment American Telephone & Telegraph Co.
U 1,912,456 June 6, 1933 Transposition Bracket
Bracket for transposition
KLEIN, Charles H.
Bracket Bell Telephone Laboratories, Inc.
U 2,112,370 March 29, 1938 Wire Spacing Bracket
Bracket attached to crossarms to provide proper space between carrier conductors
KLEIN, Charles H.
Bracket Bell Telephone Laboratories, Inc.
 KLEIN, John M.
U 297,699 April 29, 1884 Pin for Electric Insulators
Pin with thimble of soft metal mounted on end of metal pin
KLEIN, John M.
Pin  
 KLEINHESSELINK, Arie
U 1,048,706 December 31, 1912 Bracket for Current Conducting Wires
Side pin with notch cut out to allow a splice to pull through before mounting wire on the glass insulators
KLEINHESSELINK, Arie
Pin  
 KLINE, Alexander
U Specimen known 749,867 January 19, 1904 Method of Securing Electric Wires
Tie wire made from flat ribbon
KLINE, Alexander
Tie Wire  
 KLINGEL, Edward L.
U 1,954,592 April 10, 1934 Wire Support
Wireholder
KLINGEL, Edward L.
Wireholder  
U Specimen known 2,307,277 January 5, 1943 Wire Support
Knob - self-tying
KLINGEL, Edward L.
Knob  
U 2,510,182 June 6, 1950 Wire Support
Guy strain with preformed attachment and line wire is brought in through the center and secured by wrapping around the external grooved ribs.
KLINGEL, Edward L.
Strain  
 KLUGH, John T.
U 971,619 October 4, 1910 Insulator
Clamp type
KLUGH, John T.
Clamp Type  
 KNAPP, George S.
U 116,453 June 27, 1871 Improvement in Machines for Joining Tubular Lightning Rods
Machine or dies for opening one end of a tubular lightning rod and compressing the end of another rod section so the two ends fit together and secured by soldering
KNAPP, George S.
Lightning Rod Coupling  
U 119,987 October 17, 1871 Improvement in Machines for Making Lightning Rods
Machine for making lightning rods (see 113,154) by wrapping wires around a central core, covering with a sheath of sheet copper, and coiling up the rod as it is produced
KNAPP, George S.
Lightning Rod Machine  
U 196,235 October 16, 1877 Improvement in Lightning Rods
Lightning rod made with a spirally fluted tubular core with one or more smaller tubular wires wrapped around in the fluted depressions with coupling having a male thread on each end to screw into end of rod which has female threads
KNAPP, George S.
Lightning Rod  
U 212,608 February 25, 1879 Improvement in Lightning Rods
Lightning rod composed of two metal strips twisted around a rod in the middle and encased in a copper tube
KNAPP, George S.
Lightning Rod  
 KNIGHT, Robert D.
MELVILLE, Thomas
U 2,911,695 November 10, 1959 Tie for Fastening a Line Wire to an Insulator
Tie wire using a preformed helical wire with tie wire loop crimped several times to make points of contact with the insulator and secured in place with an interlocking clip
KNIGHT, Robert D.
MELVILLE, Thomas
Tie Wire United States Steel Corp.
 KNUDSON, Adolphus A.
U 234,484 November 16, 1880 Lightning Guard for Oil Tanks
System of lightning rods to protect oil tanks with the protection wires brought up high above the center of the tank
KNUDSON, Adolphus A.
Lightning Rod  
 KNUTZ, Ernest H.
U 1,043,321 November 5, 1912 Combined Insulator and Current Distributor
Miscellaneous style with attachment for multiple current distributors (see 1,085,813)
KNUTZ, Ernest H.
Miscellaneous  
U 1,085,813 February 3, 1914 Insulator and Current Distributor
Miscellaneous style with attachment for multiple current distributors (see 1,043,321)
KNUTZ, Ernest H.
Miscellaneous  
 KOBERT, Frank P.
U 1,110,495 September 15, 1914 Insulator Support
Pin, pressed metal to form bin and support
KOBERT, Frank P.
Pin Barnes & Kobert Mfg. Co.
U 1,110,496 September 15, 1914 Insulator Support for Electric Wires
Pin and metal bracket to fit around crossarm
KOBERT, Frank P.
Pin Barnes & Kobert Mfg. Co.
U 1,169,545 January 25, 1916 Insulator Bracket
Bracket attached to pole or wall
KOBERT, Frank P.
Bracket  
 KOOKOGEY, William P.
U 425,513 April 15, 1890 Insulator
Rainshed (hood) over wire
KOOKOGEY, William P.
Rainshed The Kookogey Electric Co.
 KOONTZ, JR., John A.
U 1,215,549 February 13, 1917 Electric Conductor Insulating Support
Suspension with method of balancing the electrical load across the string
KOONTZ, JR., John A.
Suspension 1/2 to Beardsley/1/4 to Shoemaker
 KOZAK, John
U 2,867,551 January 6, 1959 Apparatus and Method for Applying Conductive Coatings to Insulators
Radio treatment process for CD 239
KOZAK, John
RFI Owens-Illinois Glass Co.
 KREBS, Frederick H.
U 1,346,128 July 13, 1920 Device for Attachment of Electric Conductors to Insulators
Tie wire clip
KREBS, Frederick H.
Tie Wire  
 KRELL, Emil F.
U 303,936 August 19, 1884 Machine for Making Glass Insulators
Press for making insulators
KRELL, Emil F.
Press 3/5 to Orville W. Owen
 KRESS, Edward J.
U 974,396 November 1, 1910 Lightning Rod
Lightning conductor composed of a water-retaining fibrous cored covered by a helical winding with a braided wire covering
KRESS, Edward J.
Lightning Rod William M. Leatherman
 KRESS, George R.
U 373,407 November 15, 1887 Interlocking Coupling for Lightning Rods
Coupling for lightning rods the interlocks with slots and projections on each end of the rod sections
KRESS, George R.
Lightning Rod Coupling  
U 452,796 May 26, 1891 Hollow Braided Lightning Rod
Flexible lightning rod made of hollow plaited cable
KRESS, George R.
Lightning Rod  
U 595,543 December 14, 1897 Tubular Tripod Brace for Lightning Rods
Lightning rod tripod support with tubular legs and male connection for conductor between the legs
KRESS, George R.
Lightning Rod D. W. Dearing
U 904,969 November 24, 1908 Lightning Rod
Lightning rod with Y-shaped tubular support from the point down to the conductor with slip collar attaching the Y support to the conductor
KRESS, George R.
Lightning Rod  
 KRETZER, Henry F.
U Specimen known 699,761 May 13, 1902 Insulator
Lightning rod insulator tie wire knob
KRETZER, Henry F.
Lightning Rod Insulator  
 KRETZER, Sidney D.
D 42,173 February 13, 1912 Design for Lightning Rod Terminal
Lightning rod stand with twists and curls supporting glass ball, weather vane arron, and point
KRETZER, Sidney D.
Lightning Rod St. Louis Lightning Rod Co.
U 1,098,738 June 2, 1914 Lightning Rod
Lightning rod system with multiple points along the crest and eaves and conductor with multiple ground connections
KRETZER, Sidney D.
Lightning Rod  
U 1,313,391 August 19, 1919 Lightning Rod Coupling
Lightning rod coupling for spiralled ""star"" shaped lightning rods to allow the ends to be screwed together
KRETZER, Sidney D.
Lightning Rod Coupling  
U 1,682,288 August 28, 1928 Lightning Rod Construction
Lightning rod with ornamental support stand and method of attaching to roof peaks or sloped roof
KRETZER, Sidney D.
Lightning Rod  
 KRIBS, Anthony
U 274,790 March 27, 1883 Glass Mold
Mold for making glass articles whereby the mold halves are easily locked together
KRIBS, Anthony
Press  
U 564,825 July 28, 1896 Manufacture of Glass Jars
Mold for making glass jars. Seraphin Kribs was associated with Brookfield.
KRIBS, Anthony
Mold 1/2 to Frank H. Palmer
U 801,461 October 10, 1905 Mold for Forming Insulators
Mold with hinge for forming ""Combination Safety"" CD 139 (attorney H. P. Denison)
KRIBS, Anthony
Mold R. V. Lamberson
 KRIBS, Seraphin
U 532,973 January 22, 1895 Screw Press for Forming Insulators
Press for making insulators
KRIBS, Seraphin
Press William Brookfield
U 542,565 July 9, 1895 Press for Making Screw Insulators
Press for making insulators
KRIBS, Seraphin
Press William Brookfield
U 596,682 January 4, 1898 Press for Making Insulators
Press for making insulators
KRIBS, Seraphin
Press William Brookfield
U 660,444 October 23, 1900 Device for Fixing Shanks or Screw-Stems in Handle-Knobs or Picture Hangers
Method to hold a screw so glass can be molded around it for handles or picture hangers. Seraphin Kribs worked for Brookfield.
KRIBS, Seraphin
Miscellaneous  
U 730,665 June 9, 1903 Glass Molding Machine
Insulator Press
KRIBS, Seraphin
Press  
U 835,245 November 6, 1906 Press for Making Glass Insulators or Similar Glass Articles
Press for making insulators
KRIBS, Seraphin
Press Henry M. Brookfield
 KURTZ, Jacob S.
U 267,434 November 14, 1882 Lathe for Turning Insulator Pins
Lathe for turning out wooden insulator pins.
KURTZ, Jacob S.
Pin  
 KYLE, William D.
U 1,282,876 October 29, 1918 Line Conductor Support
Tree hanger with spool and lag screw
KYLE, William D.
Tree  
U 1,311,977 August 5, 1919 Insulator Bracket
Bracket with lag screw fixed with nails for small spool insulator
KYLE, William D.
Bracket  
U 1,500,626 July 8, 1924 Supporting Insulator
Bracket for wireholder knobs and knob with lag screw
KYLE, William D.
Bracket  
U 1,524,141 January 27, 1925 Rack
Secondary rack bracket made by stamping sheet metal.
KYLE, William D.
Bracket/secondary Rack  
U 1,546,591 July 21, 1925 Cushion Head Insulator Pin
Threads on a pin made of soft metal wire such as lead
KYLE, William D.
Pin Line Material Co.
U 1,562,836 November 24, 1925 Pin for Insulators
Pin with 3 or 4 soft-metal ribs that form threads to screw into the insulator
KYLE, William D.
Pin Line Material Co.
U 1,594,207 July 27, 1926 Insulator
Wireholder with lag screw and ring
KYLE, William D.
Wireholder Line Material Co.
U 1,613,464 January 4, 1927 Reinforced Insulator
Wireholder with lag screw and or U-shaped metal bracket
KYLE, William D.
Wireholder Line Material Co.
U 1,663,011 March 20, 1928 Line Conductor Insulator
Wireholder with lag screw and bolt attachment
KYLE, William D.
Wireholder Line Material Co.
 KYLE, William D.
HENDEE, Lem E.
U 1,674,905 June 26, 1928 Insulator
Wireholder with lag screw embedded in eye-shaped insulator
KYLE, William D.
HENDEE, Lem E.
Wireholder Line Material Co.
 KYLE, William D.
U 1,696,491 December 25, 1928 Insulator Rack
Simply constructed secondary rack without the base and other parts. Just composed of rods to hold the spool insulators and fastening bracket.
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,706,237 March 19, 1929 Secondary Rack
Wireholder with hole near the bottom for attaching to a metal rack and hole near the top for securing the drop wire.
KYLE, William D.
Wireholder Line Material Co.
U Specimen known 1,709,477 April 16, 1929 Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,715,507 June 4, 1929 Insulator Mounting
Steel pin with malleable threaded thimble and coil spring for threads to contact the insulator pinhole
KYLE, William D.
Pin Line Material Co.
U 1,720,181 July 9, 1929 Insulator
Wireholder
KYLE, William D.
Wireholder Line Material Co.
U 1,736,043 November 19, 1929 Insulator
Knob
KYLE, William D.
Knob Line Material Co.
U 1,736,044 November 19, 1929 Screw Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,749,915 March 11, 1930 Insulator Rack
Wireholder mounted on a rack
KYLE, William D.
Wireholder Line Material Co.
U 1,799,470 April 7, 1931 Secondary Rack
Simply constructed secondary rack without the base and other parts. Just composed of rods to hold the spool insulators and fastening bracket.
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,821,221 September 1, 1931 Insulator and Terminal
Metal terminal mounted on outside of a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connection (see 1,821,222; 1,877,903; 1,914,436)
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,821,222 September 1, 1931 Insulator
Metal terminal mounted on outside of a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connection (see 1,821,221; 1,877,903; 1,914,436)
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,877,903 September 20, 1932 Electric Insulator
Metal terminal attached to the outside of a secondary rack or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connection (see 1,821,221; 1,821,222; 1,914,436)
KYLE, William D.
Bracket/secondary Rack Line Material Co
U 1,914,436 June 20, 1933 Insulator
Metal terminal built into a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connection (see 1,821,221; 1,821,222; 1,877,903)
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,914,437 June 20, 1933 Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,937,764 December 5, 1933 Insulator
Self-tying tree insulator with mounting lag screw and convoluted metal wire clip cemented in the porcelain insulator designed such that the insulator is turned to allow the conductor to be dropped in the slot between the ends of the wire clip and then the insulator is turned 90 degrees to secure the condutor in the wire clip.
KYLE, William D.
Tree Insulator Line Material Co.
 L'ANGLAIS, Rene
U 4,807 October 7, 1846 Improvement in Lightning Conductors
Lighting rod and insulator
L'ANGLAIS, Rene
Lightning Rod Insulator  
 LA BASTIE, Francois B. A. Royer de
U 157,717 December 15, 1874 Improvement in Tempering Glass, and Furnaces Therefor
Tempering glass by dropping into oil (see patent 169,783)
LA BASTIE, Francois B. A. Royer de
Glass  
U 169,783 November 9, 1875 Improvement in Tempering Glass, and Furnaces Therefor
Method of transferring glass to be tempered (see patent 157,717)
LA BASTIE, Francois B. A. Royer de
Glass  
 LA FRANCE, Richard
U 1,185,687 June 6, 1916 Glass Gathering and Shaping Machine
Improvement in Owens bottle-blowing machine (see patent 1,764,268)
LA FRANCE, Richard
Manufacturing The Toledo Glass Co.
U 1,764,268 June 17, 1930 Glass Forming Machine
Machine to form threads in glass articles such as insulators. (see patent 1,185,687)
LA FRANCE, Richard
Manufacturing Owens-Illinois Glass Co.
 LANE, Augustus R.
U 491,362 February 7, 1893 Insulator
Clamp type using two blocks
LANE, Augustus R.
Clamp Type  
 LANG, George P.
LAUSTER, Peter
U 292,660 January 29, 1884 Jug Top
Syrup jug top
LANG, George P.
LAUSTER, Peter
HU  
 LANG, George Ph.
LAUSTER, Peter
U Specimen known 120,387 October 31, 1871 Improvement in Tops for Sirup Pitchers
Syrup jug top
LANG, George Ph.
LAUSTER, Peter
HU  
 LANG, Matthew
U 485,282 November 1, 1892 Machine for Molding Marbles or Other Articles from Clay &c.
Machine for molding marbles from clay or plastic material
LANG, Matthew
Machine  
 LANYON, Samuel H.
U 1,306,670 June 10, 1919 Insulating Support
Suspension cap and pin to improve strength of connection
LANYON, Samuel H.
Suspension  
U 1,324,559 December 9, 1919 Insulating Support
Suspension cap and pin to improve strength of connection
LANYON, Samuel H.
Suspension  
 LANYON, Samuel Herbert
U 1,738,188 December 3, 1929 Insulating Support
Suspension cap, pin and connector
LANYON, Samuel Herbert
Suspension Lapp Insulator Co.
 LAPP, Grover W.
U Specimen known 1,424,924 August 8, 1922 Method of Producing Clay Bodies
Vacuum process for removing air from the clay. Patent was owned by Lapp Insulator Co.
LAPP, Grover W.
Vacuum  
U 1,515,864 November 18, 1924 Method of Testing Insulators
Testing method by extending the flashover distance
LAPP, Grover W.
Testing  
U 1,561,002 November 10, 1925 Method of Producing Clay Bodies and Apparatus Used
Vacuum process for removing air from the clay
LAPP, Grover W.
Vacuum Lapp Insulator Co., Inc.
 LAPP, Grover W.
JENNER, Ralph L.
U 1,998,549 April 23, 1935 Insulator Construction
Insulator that will withstand high compression and support the weight of a radio antenna
LAPP, Grover W.
JENNER, Ralph L.
Antenna Lapp Insulator Co., Inc.
 LAPP, Grover W.
U 2,582,442 January 15, 1952 Power Wrench Mechanism for Ceramic Filter Presses
A motorized wrench to tighten the screw on the leaves of a clay filter press that can be moved from one press to the other.
LAPP, Grover W.
Filter Press Lapp Insulator Co., Inc.
U 2,975,499 March 21, 1961 Ceramic Tunnel Kiln
More fuel efficient tunnel kiln for burning ceramic ware and produces a more uniform quality of porcelain.
LAPP, Grover W.
Tunnel Kiln  
 LAPP, John
U Specimen known 1,407,550 February 21, 1922 Method and Machine for Forming Impressions in Plastic Articles
Threading porcelain by gyrating the thread mandrel (""wobbler"" method)
LAPP, John
Thread  
 LAPP, John S.
WATTS, Arthur S.
GODDARD, Walter T.
U 795,520 July 25, 1905 Strain Insulator
Deadend composed of multiple parts
LAPP, John S.
WATTS, Arthur S.
GODDARD, Walter T.
Deadend Locke Insulator Mfg. Co.
 LAPP, John S.
U Specimen known 795,521 July 25, 1905 Insulator
Deadend composed of multiple parts
LAPP, John S.
Deadend Locke Insulator Mfg. Co.
U 1,170,287 February 1, 1916 Method of Making Insulators
Suspension cementing method (high temp and humidity)
LAPP, John S.
Suspension Locke Insulator Mfg. Co.
U 1,268,981 June 11, 1918 Strain Clamp for Aerial Cables
Clamp to securely fasten high tension conductors to suspension insulators.
LAPP, John S.
Suspension Clamp Locke Insulator Mfg. Co.
U 1,427,213 August 29, 1922 Lathe
Lathe to cut insulator profile using a profile template
LAPP, John S.
Lathe Lapp Insulator Co.
U 1,654,047 December 27, 1927 Strain Insulator
Strain insulator with steel covering whereby the porcelain insulator is in compression
LAPP, John S.
Strain Lapp Insulator Co.
U 1,710,880 April 30, 1929 Insulator Stack
Pedestal type stackable insulators with metal flanges that can be easily adjusted
LAPP, John S.
Pedestal Lapp Insulator Co., Inc.
U 1,901,349 March 14, 1933 270 Degree Clamp
Bracket or clamp for high tension suspension insulator used to redirect the conductor 270 degrees in another direction. Clamps also found with patent 2,111,505.
LAPP, John S.
Suspension Lapp Insulator Co., Inc.
 LAPP, Rudolph S.
U 3,347,003 October 17, 1967 Protective Mounting Structure for Retractable Antenna
Retractable antenna for a bomb shelter
LAPP, Rudolph S.
Antenna Lapp Insulator Co., Inc.
 LATIMER, John M.
U 785,561 March 21, 1905 Wiring Cleat
Cleat - self-tying
LATIMER, John M.
Cleat Consolidated Fire Alarm Co.
 LAVARACK, William H. B.
PATTERSON, Ray
U Specimen known 1,772,184 August 5, 1930 Dead End Wire Connection
Deadend insulator with insulator that fit in steel loop bracket (RACO deadend bracket)
LAVARACK, William H. B.
PATTERSON, Ray
Deadend  
 LAW, Stanley W.
U 1,806,170 May 19, 1931 Bracket and Dead-End Insulator
Double deadend bracket with two spool insulators.
LAW, Stanley W.
Bracket/wireholder  
 LAWRENCE, Harry W.
U Specimen known 907,251 December 22, 1908 Electrical Wiring Knob
nail-knob with side projection on each part to secure the wire.
LAWRENCE, Harry W.
Knob  
 LAWRENCE, Joseph B.
U 587,216 July 27, 1897 Wire Holder
Glass insulator to hold line wire with a threaded bottom to fit in a metal bracket
LAWRENCE, Joseph B.
Miscellaneous  
 LAWSHE, Spencer R.
U 314,385 March 24, 1885 Holder for Lightning Rods
Split holder for lightning rods
LAWSHE, Spencer R.
Lightning Rod Theodore H. Patee
U 375,756 January 3, 1888 Lightning Rod
Coupling for lightning rods that allows each section to be screwed together
LAWSHE, Spencer R.
Lightning Rod Coupling  
U 400,464 April 2, 1889 Lightning Rod and Coupling
Coupling burr with serrated ends that interlock with the rod sections
LAWSHE, Spencer R.
Lightning Rod Coupling  
 LAYMAN, Robert E.
U 2,703,820 March 8, 1955 Insulator Assembly
Odd pintype insulator with teepee top that screws down to hold a pair of wires
LAYMAN, Robert E.
Miscellaneous  
 LE BARON, Charles L.
U 149,762 April 14, 1874 Improvement in Telegraph Insulators
Cylindrical grooved insulator held horizontally by pin
LE BARON, Charles L.
Cylinder  
U 149,763 April 14, 1874 Improvement in Telegraph Insulators
Slotted block to hold wire held to pole with unique pin
LE BARON, Charles L.
Slotted  
U 154,258 August 18, 1874 Improvement in Telegraph Insulators
Slotted insulator to hold wire
LE BARON, Charles L.
Slotted  
 LEADON, JR., John M.
U 940,034 November 16, 1909 Wire-supporting Device
Tie wire clip
LEADON, JR., John M.
Tie Wire  
 LEE, Charles T.
U 467,941 February 2, 1892 Insulator
Strain type
LEE, Charles T.
Strain 1/2 to The Gould & Watson Co.
U 467,942 February 2, 1892 Insulator
Suspension type using mica sheets with metal case
LEE, Charles T.
Suspension 1/2 to The Gould & Watson Co.
U 482,872 September 20, 1892 Insulator
Strain type
LEE, Charles T.
Strain The Johns-Pratt Co.
U 485,106 October 25, 1892 Insulator
Knob of mica with side groove to hold wire
LEE, Charles T.
Knob The Johns-Pratt Co.
 LEE, Charles Tennant
U 308,778 December 2, 1884 Composition for Making Non-Conducting Handles for Sad-Irons, &c.
Mixture of mica and glue to make solid non-conducting composition handles
LEE, Charles Tennant
Composition  
 LEE, Charles Tennant
WAITE, Charles N.
U 386,925 July 31, 1888 Electrical Non-Conductor
Non-conducting composition material composed of mica and glue used to coat cheese cloth and made in thin sheets, which are then coated with shellac to repel moisture
LEE, Charles Tennant
WAITE, Charles N.
Composition 1/2 to The Gould & Watson Co.
 LEE, Charles Tennant
U Specimen known 389,519 September 11, 1888 Composition of Matter
Composition material composed of mica and shellac that can be molded (Rick Soller's threaded pin-type specimen)
LEE, Charles Tennant
Composition  
U 409,985 August 27, 1889 Composition of Matter
Composition material composed of mica and water glass
LEE, Charles Tennant
Composition 1/2 to The Gould & Watson Co.
U 409,986 August 27, 1889 Process of Attaching Composition of Matter to Metal
Method of molding the composition material under pressure in metal parts and allowing it to cool to prevent expansion and create a secure attachment to the metal
LEE, Charles Tennant
Composition 1/2 to The Gould & Watson Co.
U 411,384 September 17, 1889 Packing for Steam Pipes
Composition material used to coat the outside of pipes to act as an insulator against heat
LEE, Charles Tennant
Composition 1/2 to The Gould & Watson Co.
 LEE, Leffman H.
U 1,790,273 January 27, 1931 Insulator
Wireholder with internal threaded metal core to receive a threaded shank that can be fixed to a wall
LEE, Leffman H.
Wireholder  
 LEE, Leffman H.
GUTHRIE, James M.
U 2,191,171 February 20, 1940 Insulator
Wireholder with lag screw
LEE, Leffman H.
GUTHRIE, James M.
Wireholder Line Material Co.
 LEE, Thomas B.
U 848,473 March 26, 1907 Insulating Clamp
Clamp type for cable top of multi
LEE, Thomas B.
Clamp Type  
 LEE, William S.
U 1,140,603 May 25, 1915 Insulator Clamp
Tie wire clamp for multipart insulator that clamps around the crown and hold the cable in the top groove
LEE, William S.
Tie Wire  
 LEE, JR., William States
U Specimen known 855,253 May 28, 1907 Insulator Pin
Pin with hollow cast iron cone and thimble
LEE, JR., William States
Pin  
 LEFEVER, Edwin
U 710,282 September 30, 1902 Insulator
Block with metal tabs bent to hold wire
LEFEVER, Edwin
Block  
 LEIPERT, August H.
U 1,717,885 June 18, 1929 Mounting for Electric Conductors
Hanger insulator made of rubber for trolley conductor
LEIPERT, August H.
Hanger The Rubber Shock Insulator Corp.
 LELONG, Achille
U 693,555 February 18, 1902 Lightning Conductor
Lightning rod point comprised of multiple points connected to a coil of conductor in the ground
LELONG, Achille
Lightning Rod Point  
 LEMBECK, Arthur J. L.
U 831,168 September 18, 1906 Insulator
Knob on side of pony insulator similar to British terminal insulator
LEMBECK, Arthur J. L.
Knob 1/2 to John Wall
 LEMONT, Clarence J.
U 1,611,464 December 21, 1926 Insulator Support Fixture
Bracket for rack spool wireholders
LEMONT, Clarence J.
Bracket Line Material Co.
U 1,797,238 March 24, 1931 Insulator Mounting Pin
Pin with threaded lead head for screwing into an insulator
LEMONT, Clarence J.
Pin Line Material Co.
U 1,873,434 August 23, 1932 Supporting Fixture
Simply constructed secondary rack with detachable spool insulators.
LEMONT, Clarence J.
Bracket/secondary Rack Line Material Co
U 2,218,004 October 15, 1940 Porcelain Insulator Screw Bracket
Wireholder with lag screw
LEMONT, Clarence J.
Wireholder Line Material Co.
U 2,259,526 October 21, 1941 Insulator
Wireholder with lag screw (see reissue 22,269 on 4-11-1944)
LEMONT, Clarence J.
Wireholder Line Material Co.
R 22,469 April 11, 1944 Insulator
Wireholder with lag screw (reissue of 2,259,526)
LEMONT, Clarence J.
Wireholder Line Material Co.
 LEMSTROM, Karl Selim
U 732,088 June 30, 1903 Insulator for High Tension Currents
Bracket clamped around pole for insulator pin
LEMSTROM, Karl Selim
Bracket  
 LEONARD, Sylvester S.
U 609,888 August 30, 1898 Clamp for Electric Wires
Tie wire clamp with wing nut
LEONARD, Sylvester S.
Tie Wire  
 LEONARDSON, John M.
U 347,943 August 24, 1886 Insulator for Electric Wires
Self-tying with metal cam lever
LEONARDSON, John M.
Self-tying Miscellaneous  
 LESTER, Ronald H.
U Specimen known 3,097,101 July 9, 1963 Ceramic Product and Method of Making the Same
Increases the mechanical and electrical strength of porcelain insulators by controlling the grain size of the flint used in the porcelain body and the glaze.
LESTER, Ronald H.
Porcelain General Electric Co.
 LEVANDOFSKY, John
U 1,510,789 October 7, 1924 Electric Wire Cleat
Cleat with separate top part so one wire can be removed without disturbing the other
LEVANDOFSKY, John
Cleat  
 LEWIS, Albert C.
U 255,800 April 4, 1882 Insulator for Electrical Conductors
Pin hole with spiral slot to receive pin with side knob
LEWIS, Albert C.
Pin  
 LEWIS, Edwin
U Specimen known 1,527,318 February 24, 1925 Insulator
Knob with multiple side grooves
LEWIS, Edwin
Knob American Telephone & Telegraph Co.
 LEWIS, Evan J.
U 2,254,227 September 2, 1941 Glass Tempering Method and Apparatus
Glass tempering of suspension insulators in a controlled manner
LEWIS, Evan J.
Glass Corning Glass Works
 LEWIS, Joseph Slater
U Specimen known 276,839 May 1, 1883 Insulator for Telegraph Wires
CD 110.5 & CD 110.6 spiral groove crown & clamp for line wire
LEWIS, Joseph Slater
Insulator  
U 298,593 May 13, 1884 Insulator
Washer around pin in pinhole
LEWIS, Joseph Slater
Washer 1/2 to William P. Thompson
U 298,594 May 13, 1884 Terminal Insulator
Spool (skirted) with bracket to act as terminal wire support
LEWIS, Joseph Slater
Spool 1/2 to William P. Thompson
 LIBBY, Sam H.
U 584,476 June 15, 1897 Insulator
Third rail insulator with a metal base to prevent movement of the insulator and rail.
LIBBY, Sam H.
Third Rail General Electric Co.
U 584,477 June 15, 1897 Insulator
Pair of third rail insulators set on both sides of the rail fitting in the contour of the sides of the rail.
LIBBY, Sam H.
Third Rail General Electric Co.
 LIEB, Charles A.
LAVENS, Erwin
U 450,294 April 14, 1891 Insulator
Hanger - bell type for trolley
LIEB, Charles A.
LAVENS, Erwin
Hanger Charles A. Lieb
 LIEB, Charles A.
U Specimen known 520,855 June 5, 1894 Feed Wire Insulator
Composition insulator with ears bent over to secure cable
LIEB, Charles A.
Composition General Electric Co.
 LILLY, Charles H.
U 230,290 July 20, 1880 Lightning Rod Insulator
Lightning rod insulator of tubular glass with flat side & metal bracket
LILLY, Charles H.
Lightning Rod Insulator  
U 230,293 July 20, 1880 Connection for Lightning Rods
Connection for two lightning rods that cross on the roof and point attached to the connection
LILLY, Charles H.
Lightning Rod Coupling  
 LINCOLN, Paul M.
U 1,198,137 September 12, 1916 Insulator
Suspension insulator with an outer covering of spun steel or iron.
LINCOLN, Paul M.
Suspension Westinghouse Electric & Mfg. Co.
U 1,241,528 October 2, 1917 Insulator
Suspension with shells nested together by means of external threads
LINCOLN, Paul M.
Suspension Westinghouse Electric & Mfg. Co.
 LINDAL, Peter S.
U 751,739 February 9, 1904 Insulator
Clamp type
LINDAL, Peter S.
Clamp Type  
 LINDHOLM, John G. S.
LINDHOLM, Anders P.
U 1,171,126 February 8, 1916 Insulator Pin
Pin, sheet metal formed cone and threads
LINDHOLM, John G. S.
LINDHOLM, Anders P.
Pin Anders P. Lindholm
 LINDHOLM, John G. S.
U 1,171,127 February 8, 1916 Metallic Cross Arm Pin
Pin, sheet metal formed ribs and threads
LINDHOLM, John G. S.
Pin Anders P. Lindholm
 LINDSAY, Edward F.
U 942,086 December 7, 1909 Support and Insulator
Complicated insulator made of two plates of glass secured in a wooden box
LINDSAY, Edward F.
Insulator  
 LINDSEY, L. E.
SAMMONS, Herbert F.
U Specimen known 3,329,767 July 4, 1967 Insulator Mounting Bracket
A cantilever mounting bracket for supporting line post insulators horizontally
LINDSEY, L. E.
SAMMONS, Herbert F.
Bracket L. E. Lindsey
 LINKE, Charles
U 967,649 August 16, 1910 Means of Visibly Indicating Faulty Insulators
Colored flammable cap that fits over the top of an insulator that will burn away during an arc indicating that the insulator may be damaged
LINKE, Charles
Miscellaneous  
 LITTLETON, Jesse T.
FULCHER, Gordon S.
U 1,543,779 June 30, 1925 Manufacture of Insulators
Suspension glass insulator with pin molded in the glass
LITTLETON, Jesse T.
FULCHER, Gordon S.
Suspension Corning Glass Works
 LITTLETON, Jesse T.
U Specimen known 2,118,795 May 24, 1938 Insulator
RFI: tin iridized coating to reduce water adherence, radio interference, and reflect sun
LITTLETON, Jesse T.
RFI Corning Glass Works
U 2,198,734 April 30, 1940 Insulator
Suspension disk with crown more tempered than skirt for strength
LITTLETON, Jesse T.
Suspension Corning Glass Works
 LIVINGSTON, L. R.
ROGGEN, J. J.
ADAMS, Calvin
KENDALL, Amos
VAIL, Alfred
U 6,779 October 9, 1849 Supporter for Telegraph Wires
Hook encased in metal shell (also House-top insulator?)
LIVINGSTON, L. R.
ROGGEN, J. J.
ADAMS, Calvin
KENDALL, Amos
VAIL, Alfred
Hook  
 LIVINGSTON, Laureston R.
ROGGEN, John J.
ADAMS, Calvin
U 5,889 October 31, 1848 Insulating Support for Telegraph Wires
Block (glass) with zigzag slit held by hooded bracket
LIVINGSTON, Laureston R.
ROGGEN, John J.
ADAMS, Calvin
Block  
 LLOYD, Edwin L.
U 394,380 December 11, 1888 Wire Holder for Insulators
Tie wire standard method
LLOYD, Edwin L.
Tie Wire  
U 475,781 May 31, 1892 Electric Wire Holder
Tie wire made of a loop of wire with pre-formed loops on the ends to connect together and curved to interlock with the line wire
LLOYD, Edwin L.
Tie Wire  
 LOBDELL, Augustus C.
U 278,028 May 22, 1883 Lightning Rod
Method of connecting flanged or ribbed lightning rods
LOBDELL, Augustus C.
Lightning Rod Coupling  
 LOCKART, Edward P.
D 114,085 April 4, 1939 Design for a Hollow Glass Building Block
Curved corner glass block with wide bars on exterior
LOCKART, Edward P.
OI Owens-Illinois Glass Co.
D 114,086 April 4, 1939 Design for a Hollow Glass Building Block
Curved corner glass block with wide bars on interior
LOCKART, Edward P.
OI Owens-Illinois Glass Co.
 LOCKART, JR., Edward P.
D 101,372 September 29, 1936 Design for a Glass Building Block
Block design with alternating large and narrow concave ridges
LOCKART, JR., Edward P.
OI Owens-Illinois Glass Co.
 LOCKE, Fred M.
LAPP, John
U Specimen known 402,752 May 7, 1889 Insulator
CD 289.9 (CD 1182), under crossarm type with triple petticoat
LOCKE, Fred M.
LAPP, John
Insulator  
U 441,849 December 2, 1890 Electric Line Hook
Hook made of iron to secure line wire with threaded end to screw in crossarm
LOCKE, Fred M.
LAPP, John
Hook 1/3 to Theodore Norton
 LOCKE, Fred M.
COBB, Frank E.
U 454,655 June 23, 1891 Suspension Device for Pails
Device to swing a tobacco pail under a store counter
LOCKE, Fred M.
COBB, Frank E.
Pail  
 LOCKE, Fred M.
U 476,207 May 31, 1892 Insulator Pin
Pin
LOCKE, Fred M.
Pin  
U Specimen known 484,209 October 11, 1892 Insulator
CD 285 ""Edison"" - rainshed type for under crossarm
LOCKE, Fred M.
Insulator  
U Specimen known 493,434 March 14, 1893 Insulator Pin
Pin base - hollow cast iron with wood threaded cob (dates metal base)
LOCKE, Fred M.
Pin 1/2 to G. Paddock & W. Page
U 510,809 December 12, 1893 Insulator Pin
Pin
LOCKE, Fred M.
Pin 1/2 to G. Paddock & W. Page
U 512,656 January 9, 1894 Relay
Method of making a telegraph relay more responsive
LOCKE, Fred M.
Relay  
U Specimen known 520,367 May 22, 1894 Insulator
Transposition insulator CD 204 & U-192A
LOCKE, Fred M.
Insulator 1/2 to G. Paddock & W. Page
D 26,323 November 24, 1896 Design for an Insulator
High tension insulator
LOCKE, Fred M.
Pin-type  
U Specimen known 573,092 December 15, 1896 Insulator
Insulator of two materials combined
LOCKE, Fred M.
Insulator  
U Specimen known 590,806 September 28, 1897 Insulator
U-937, eave trough above crossarm
LOCKE, Fred M.
Insulator  
U Specimen known 605,109 June 7, 1898 Insulator
Insulator with sleeve to protect pin
LOCKE, Fred M.
Insulator  
D Specimen known 32,741 May 29, 1900 Design for an Insulator
Eave drain & spout
LOCKE, Fred M.
Pin-type  
D 34,450 April 30, 1901 Design for an Insulator
Top skirt for U-675
LOCKE, Fred M.
Pin-type  
U 685,776 November 5, 1901 Insulator Support
Pin sleeve plug with bolt to draw down & expanding sleeve in pin hole
LOCKE, Fred M.
Pin  
U Specimen known 698,976 April 29, 1902 Sleeve for Protecting Insulator Pins
Pin sleeve to protect pin
LOCKE, Fred M.
Pin  
U 701,063 May 27, 1902 Insulator Pin
Pin
LOCKE, Fred M.
Pin  
U Specimen known 702,660 June 17, 1902 Process of Making Insulators
Glazewelding (Boch variation) with extra glaze to leave air space, biscuit fired, then glaze
LOCKE, Fred M.
Glazeweld  
U Specimen known 702,661 June 17, 1902 Insulator and Process of Manufacturing Same
Glazewelding (Boch variation) vitrified shells, pour molten glaze, then cool
LOCKE, Fred M.
Glazeweld  
U 707,245 August 19, 1902 Filter Press
Filter press
LOCKE, Fred M.
Filter Press  
U 716,343 December 16, 1902 Machine for Forming the Interiors of Plastic Materials
Press for making porcelain insulators
LOCKE, Fred M.
Press  
U Specimen known 728,805 May 19, 1903 Insulator
M-2335, M-2785, M-2795 & M-2796 with eave drain & spout (see 664,301)
LOCKE, Fred M.
Insulator  
U Specimen known 745,284 November 24, 1903 Insulator
Glazewelding (Boch variation) shells fused together to leave air space, U-926A
LOCKE, Fred M.
Insulator  
U 758,986 May 3, 1904 Tubular Insulator
Cylindrical insulator
LOCKE, Fred M.
Cylinder  
U Specimen known 767,948 August 16, 1904 Insulator
Deadend insulator
LOCKE, Fred M.
Deadend  
U 771,557 October 4, 1904 Apparatus for Screening Liquid Clay
miscellaneous apparatus for screening liquid clay
LOCKE, Fred M.
Miscellaneous  
U 774,765 November 15, 1904 Art and Method of Manufacturing Earthenware Insulators
Earthenware, manufacture of
LOCKE, Fred M.
Earthenware  
U 776,789 December 6, 1904 Insulator
Skirts are horizontal
LOCKE, Fred M.
Skirt  
U 778,420 December 27, 1904 Device for Attaching Insulators to Crossarms
miscellaneous device for attaching insulator to crossarm
LOCKE, Fred M.
Miscellaneous  
U 779,659 January 10, 1905 Insulator
Suspension type
LOCKE, Fred M.
Suspension  
U 790,214 May 16, 1905 Method of Manufacturing High Potential Earthenware Insulators
Earthenware, manufacture of hi-potential insulators
LOCKE, Fred M.
Earthenware  
U 796,977 August 8, 1905 Insulator Pin
Pin
LOCKE, Fred M.
Pin  
U 822,211 May 29, 1906 Insulator
Skirt (bottom) upper end nearly flat with porcelain cap resting on same
LOCKE, Fred M.
Skirt  
U 836,122 November 20, 1906 High Potential Insulator
Pin of bolt (tapered) in tapered hole (see 685,776)
LOCKE, Fred M.
Pin  
U 838,727 December 18, 1906 Die for Forming Insulators
Press to form petticoats - improvement on 716,343 (see reissue 12,934 on 6-4-1909)
LOCKE, Fred M.
Press  
U Specimen known 852,730 May 7, 1907 Insulator
U-957, broad skirt extending to crossarm with small threaded porcelain thimble
LOCKE, Fred M.
Insulator  
U 870,187 November 5, 1907 Wall Insulator
Wall tube with skirts
LOCKE, Fred M.
Wall Tube  
U 872,569 December 3, 1907 System of Insulation for High Voltage Electric Conductors
Insulator system for high voltage conductors
LOCKE, Fred M.
Insulator  
U 878,646 February 11, 1908 High Potential Insulator
Wall through bushing with multitude of petticoats
LOCKE, Fred M.
Wall Tube  
U 887,107 May 12, 1908 Wire Fastener for Insulators
Wire fastener for crown wire groove of insulator
LOCKE, Fred M.
Wire  
U 897,636 September 1, 1908 Process for Making Feldspar Flux
Feldspar flux, method of preparing
LOCKE, Fred M.
Feldspar  
U 903,875 November 17, 1908 System of Electrical Insulation
System of multipart insulator arranged in sequence to support high tension lines
LOCKE, Fred M.
Suspension  
U 907,155 December 22, 1908 Manufacture of Spar Insulators
Feldspar insulator material (see reissue 12,992 on 7-13-1909)
LOCKE, Fred M.
Feldspar  
R 12,934 April 6, 1909 Die for Forming Insulators
Press die for forming insulators (reissue of patent 838,727)
LOCKE, Fred M.
Press  
U 918,339 April 13, 1909 System for Insulation for High voltage Electric Conductors
Insulator multiples
LOCKE, Fred M.
Insulator  
R 12,992 July 13, 1909 Manufacture of Spar Insulators
Feldspar insulator material (reissue of 907,155)
LOCKE, Fred M.
Feldspar  
U 973,204 October 18, 1910 Insulating System for High Potential Electric Conductors
Suspension insulator multiples
LOCKE, Fred M.
Suspension Locke Insulator Mfg. Co.
U 998,359 July 18, 1911 High Voltage Insulator
Suspension type
LOCKE, Fred M.
Suspension Locke Insulator Mfg. Co.
U Specimen known 1,091,678 March 31, 1914 Insulating Composition
Boro-silicate glass
LOCKE, Fred M.
Boron  
U Specimen known 1,091,679 March 31, 1914 Insulator
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,116,303 November 3, 1914 Arc Extinguisher
Use of explosive to break the arcing around a multipart insulator (see 1,127,043)
LOCKE, Fred M.
Transmission  
U Specimen known 1,120,951 December 15, 1914 Manufacture of Insulators for High Potential Electric Conductors
Boron used in porcelain insulators
LOCKE, Fred M.
Boron  
U Specimen known 1,127,042 February 2, 1915 Manufacture of High Potential Porcelain and Glass Insulators
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,127,043 February 2, 1915 Electric Arc Extinguisher
Use of explosive to break the arcing around a multipart insulator (see 1,116,303)
LOCKE, Fred M.
Transmission  
U Specimen known 1,127,044 February 2, 1915 Insulator
Boro-silicate glass
LOCKE, Fred M.
Boron  
U Specimen known 1,156,163 October 12, 1915 Manufacture of High Potential Electric Conductors
Boro-silicate glass & porcelain
LOCKE, Fred M.
Boron  
U 1,225,147 May 8, 1917 Insulator
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,226,088 May 15, 1917 Insulator and Composition Material for Insulating and Other Purposes
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,233,486 July 17, 1917 Electrical Insulator
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,431,166 October 10, 1922 Glass
Boro-silicate glass
LOCKE, Fred M.
Boron  
U 1,510,521 October 7, 1924 Glass
Boro-silicate glass
LOCKE, Fred M.
Boron  
 LOCKE, Fred M.
LOCKE, Fred J.
U 1,529,259 March 10, 1925 Glass
Alumino-silicate glass (Corning's Flameware)
LOCKE, Fred M.
LOCKE, Fred J.
Alumino  
U 1,572,730 February 9, 1926 Batch for Making Ceramic Material and to a Ceramic Material Made Therefrom
Porcelain composition for insulator using manganese
LOCKE, Fred M.
LOCKE, Fred J.
Porcelain  
 LOCKE, Fred M.
U 1,608,029 November 23, 1926 Insulator
Suspension insulator
LOCKE, Fred M.
Suspension  
U 1,626,042 April 26, 1927 Glass
Boro-silicate glass
LOCKE, Fred M.
Boron  
 LOCKE, Fred M.
LOCKE, Fred J.
U 1,886,280 November 1, 1932 Ultra Violet Ray Transmitting Glass and to a Batch and Method for Making the Same
Boro-silicate glass, method to make glass to transmit UV light
LOCKE, Fred M.
LOCKE, Fred J.
Boron Corning Glass Works
U 1,923,221 August 22, 1933 Process of Melting Glass
Boro-silicate glass, method to make colorless by using graphite pot
LOCKE, Fred M.
LOCKE, Fred J.
Boron Corning Glass Works
 LOCKE, Joseph
BOWKER, William
U 316,469 April 28, 1885 Electric Wire Insulator
Insulators and supporting rail
LOCKE, Joseph
BOWKER, William
Insulator Themselves and Robert Williams
 LOCKE, Louis P.
U 979,015 December 20, 1910 Rail Joint
Joint to connect rails to improve signal communication
LOCKE, Louis P.
Rail  
U 1,003,143 September 12, 1911 Electric Signaling Apparatus
Improved signaling of railways
LOCKE, Louis P.
Signal  
U 2,610,390 September 16, 1952 Method of Making Electrical Terminals
Method of making terminals for manufacture of televisions
LOCKE, Louis P.
Television  
U 2,646,788 July 28, 1953 Rotary Gas Burner
Burner for gas stove that rotates to improve heat generation
LOCKE, Louis P.
Burner  
 LOCKE, Louis Peer
U 1,198,732 September 19, 1916 Plunger for Forming Insulators
Plunger with holes to release pressure (see 838,727 and reissue 12,934)
LOCKE, Louis Peer
Plunger Locke Insulator Mfg. Co.
U 2,659,406 November 17, 1953 Apparatus for Forming and Assembling Electrical Terminals
Machine to form terminals for televisions
LOCKE, Louis Peer
Television  
 LOCKE, Willie F.
U 360,354 March 29, 1887 Insulator
Acoustic insulator to reduce vibration of telephone wires in acoustic or mechanical telephones
LOCKE, Willie F.
Acoustic 1/2 to John E. Robertson
 LOCKHART, Edward P.
MCWHORTER, William E.
D 198,626 July 14, 1964 Glass Block
Design for glass block
LOCKHART, Edward P.
MCWHORTER, William E.
OI Owens-Illinois Glass Co.
 LOCKHART, Thomas J.
LOCKE, Josiah
U Specimen known 70,727 November 12, 1867 Improvement in Insulators for Lightning Rods
Lightning rod insulator (glass) with sheet metal strip under shingles
LOCKHART, Thomas J.
LOCKE, Josiah
Lightning Rod Insulator  
 LOGUE, James A.
ROBERTS, Theron W.
SWANSON, Frank O.
U 2,843,925 July 22, 1958 Methods of Separating Glass Articles
Method of Separating TV Tubes & Glass Blocks
LOGUE, James A.
ROBERTS, Theron W.
SWANSON, Frank O.
OI Owens-Illinois Glass Co.
 LOOK, Carrol A.
U 1,574,495 February 23, 1926 Beverage Dispenser
Syrup dispenser for beverages
LOOK, Carrol A.
McLaughlin  
 LOUDEN, Harry M.
MCCREERY, Cecil W.
U 2,304,736 December 8, 1942 Mold Lock
Mold lock for glass block molds
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,336,874 December 14, 1943 Method of and Apparatus for Producing Hollow Glass Blocks
Machine for dehydrating glass block halves
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,349,739 May 23, 1944 Pressure Sustaining Apparatus
Machine for pressing glass block halves together
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,383,556 August 28, 1945 Mold Lock
Mold lock for glass block molds
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
 LOUX, Raymond A.
U Specimen known 2,517,221 August 1, 1950 Secondary and Service Rack Insulator
Knob - specimens exist called ""pencil holder""
LOUX, Raymond A.
Knob  
 LOY, John G.
U 1,512,430 October 21, 1924 Machine for Assembling Nail Knobs
Machine for assembling nail-knobs
LOY, John G.
Knob Federal Porcelain Co.
U 1,532,110 March 31, 1925 Apparatus for Assembling Nail Knobs
Machine for assembling nail-knobs
LOY, John G.
Knob Federal Porcelain Co.
U 1,532,111 March 31, 1925 Machine for Assembling Nail Knobs
Machine for assembling nail-knobs
LOY, John G.
Knob Federal Porcelain Co.
 LUCAS, John A.
U Specimen known 2,163,954 June 27, 1939 Electric Fence
Electric fence insulator with bail wire to hold the wire in place.
LUCAS, John A.
Electric Fence Prime Manufacturing Co.
 LUCOCK, John S.
U 859,306 July 9, 1907 Glass Molding Machine
Glass press that can be adapted for insulator manufacture
LUCOCK, John S.
Press  
 LUNDELL, Elmer W.
U 1,722,672 July 30, 1929 Insulator Supporting Bracket
Secondary rack of simple but strong design eliminating rivets.
LUNDELL, Elmer W.
Bracket/secondary Rack Seyler Mfg. Co.
 LUSCOMB, Henry H.
U 515,779 March 6, 1894 Strain Insulator
Strain type
LUSCOMB, Henry H.
Strain The Johns Pratt Co.
U Specimen known 520,602 May 29, 1894 Insulator
Composition insulator with ears bent over to secure cable
LUSCOMB, Henry H.
Composition  
 LUSCOMB, Henry H.
CRANE, William F. D.
U Specimen known 578,825 March 16, 1897 Insulator
Composition insulator with top cable clamp
LUSCOMB, Henry H.
CRANE, William F. D.
Composition The Johns-Pratt Co.
 LUSHER, Kenneth G.
MCDAVITT, Murray
VINCENT, Harvard B.
U 3,026,575 March 27, 1962 Skylight Structure and Method of Fabrication
Sklight made of glass blocks
LUSHER, Kenneth G.
MCDAVITT, Murray
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
 LUSIGNAN, JR., Joseph T.
U Specimen known 1,994,281 March 12, 1935 Insulator
Fog type multipart & suspension insulator similar to oil types with inverted mating cup
LUSIGNAN, JR., Joseph T.
Fog Type The Ohio Brass Co.
U Specimen known 1,994,282 March 12, 1935 Fog Type Insulator
Fog type suspension similar to oil reservoir types with inverted mating cup
LUSIGNAN, JR., Joseph T.
Fog Type The Ohio Brass Co.
U 2,022,863 December 3, 1935 Arcing Guard
Metal arcing guard for suspension string
LUSIGNAN, JR., Joseph T.
Arcing Ring The Ohio Brass Co.
U 2,036,225 April 7, 1936 Lightning Guard for Transmission Lines
Lightning guard strung above transmission towers with supporting tower between transmission towers
LUSIGNAN, JR., Joseph T.
Transmission The Ohio Brass Co.
U 2,048,016 July 21, 1936 Fog Type Insulator
Fog-type suspension disk with metal dish underneath to keep bottom pin area dry
LUSIGNAN, JR., Joseph T.
Fog Type The Ohio Brass Co.
 LYMAN, Thomas T.
U 751,664 February 9, 1904 Electric Insulator
Composition insulator of asbestos (Brown p. 57 & 71)
LYMAN, Thomas T.
Composition H. W. Johns-Manville Co.
 LYON, Amos
U 11,261 July 11, 1854 Improvement in Lightning Rods
Lightning rod made of sheets of copper to form ribbed or vanes along its length and attached to buildings with lignum vitea wood insulators
LYON, Amos
Lightning Rod  
 LYON, Cody
U 1,217,032 February 20, 1917 Insulator for Electric Wires
Self-tying twist lock type
LYON, Cody
Self-tying Twist  
 MAACK, Walter Henry
U 2,386,129 October 2, 1945 Self-Attaching Wire Holder
Self-tying wireholder mounted on metal bracket
MAACK, Walter Henry
Wireholder/self-typing  
 MACE, Romaine
U 522,428 July 3, 1894 Insulator
Wall tube secured with a clip
MACE, Romaine
Wall Tube The Interior Conduit & Insulation Co.
 MACE, Theodore
U 272,069 February 13, 1883 Insulator for Electric Conductors
Knob made of two parts to hold wire (see Dario's 1886 catalog of The Electrical Supply Co.)
MACE, Theodore
Knob  
 MACEK, Johann
U 782,676 February 14, 1905 Arrangement for Securing Wires on Insulators
Tie wire clip
MACEK, Johann
Tie Wire  
U 877,101 January 21, 1908 Clip for Fixing Conducting Wires to Insulators
Tie wire consisting of long links that fits around the insulator with a plate to secure the line wire against the insulator
MACEK, Johann
Tie Wire  
 MACK, Edward A.
U 2,241,212 May 6, 1941 Insulator Pin Reinforcing Bracket
Bracket attached to pin offers lateral support to prevent the bending of the pin
MACK, Edward A.
Bracket/pin Line Material Co.
U 2,296,679 September 22, 1942 Service Drop Insulator
Service drop bracket and insulator to tie-off multiple service lines from one main conductor
MACK, Edward A.
Service Drop Line Material Co.
U 2,345,404 March 28, 1944 Reinforced Insulator Pin
Steel pin with sheet metal reinforcing down to crossarm to provide bracing against horizontal strain
MACK, Edward A.
Pin Oliver Iron & Steel Corp.
 MACKEAN, Frank
U 814,613 March 6, 1906 Insulator Pin
Pin (metal) bracket using split sheet metal threads
MACKEAN, Frank
Pin  
 MACKINNON, Russell H.
U 2,287,895 June 30, 1942 Secondary Rack Construction
Secondary wireholder for rack spools to be mounted on the end of a crossarm
MACKINNON, Russell H.
Wireholder 1/2 to Eugene C. Black
 MAGERS, Bonneventure T.
U 750,209 January 19, 1904 Automatic Turning Machine
Insulator pin threading device
MAGERS, Bonneventure T.
Pin The Indianapolis Arm, Bracket and Pin Co.
 MAHER, Jeremiah J.
U 950,181 February 22, 1910 Lightning Rod Support
Lightning rod tripod support
MAHER, Jeremiah J.
Lightning Rod  
 MAIR, John E.
U Specimen known 1,232,354 July 3, 1917 Insulator
nail-knob
MAIR, John E.
Knob Brunt Tile & Porcelain Co.
 MALLORY, Charles M.
SLAUGHTER, James Monroe
U 868,575 October 15, 1907 Insulator Pin Making Machine
Machine for making wooden pins
MALLORY, Charles M.
SLAUGHTER, James Monroe
Pin/machine 1/2 to The Nixon Mining Drill Co., Inc.
 MALLOY, John W.
GILMAN, John
U 1,182,191 May 9, 1916 Support for Insulators
Bracket, metal with spring to relieve horizontal strain
MALLOY, John W.
GILMAN, John
Bracket  
 MALTHANER, John F.
U Specimen known 965,723 July 26, 1910 Insulator
nail-knob with ball holder. Known as the Paragon knob, which was sold by the Paragon Electric Co.
MALTHANER, John F.
Knob  
 MANSON, Ralph H.
U 1,707,668 April 2, 1929 Insulator Support
Secondary rack stamped out of one piece of sheet metal.
MANSON, Ralph H.
Bracket/secondary Rack Hubbard and Co.
U Specimen known 1,788,245 January 6, 1931 Insulator Support
Clamp type
MANSON, Ralph H.
Clamp Type Hubbard & Co.
 MANWARING, Robert A.
HESSEL, James T.
U Specimen known 1,140,050 May 18, 1915 Insulator
U-189 & U-189A, CD 175.5 The insulator was designed to support the power line to street lights. Only pieces of a specimen have been found. (see 1,101,802)
MANWARING, Robert A.
HESSEL, James T.
Insulator  
 MARDOCK, Guy
U 1,127,474 February 9, 1915 Insulator Support
Glass insulator with tapered pin base that fits inside the insulator to secure the wire which passes through a vertical slot in the sides of insulator and wedged between the base and insulator held together by a bolt that runs through the insulator and angle-iron crossarm
MARDOCK, Guy
Insulator  
 MARKEL, Harley R.
U Specimen known 878,302 February 4, 1908 Insulator
nail-knob, square shaped with reversible matching halves
MARKEL, Harley R.
Knob  
U Specimen known 971,683 October 4, 1910 Insulator
Knob
MARKEL, Harley R.
Knob  
U Specimen known 992,570 May 16, 1911 Insulator
Knob with reversible L-shaped halves to better grip the wire and without projections that might get damaged during shipment.
MARKEL, Harley R.
Knob  
U 1,061,620 May 13, 1913 Insulator
Cleat
MARKEL, Harley R.
Cleat  
U Specimen known 1,179,127 April 11, 1916 Insulator
Knob, split with metal clip to hold the parts together
MARKEL, Harley R.
Knob  
U 1,201,325 October 17, 1916 Insulator
Knob
MARKEL, Harley R.
Knob  
 MARKLEY, William F.
U 2,623,094 December 23, 1952 Resiliently Mounted Spool Type Insulator
Rubber bushing for mounting Case type & rack type spool insulators
MARKLEY, William F.
Rubber Western Union Telegraph Co.
 MARKLEY, William F.
SLATER, James L.
U Specimen known 3,061,667 October 30, 1962 Telegraph Pole Line Insulator
Rubber pin type insulator (Brown p. 91)
MARKLEY, William F.
SLATER, James L.
Rubber Western Union Telegraph Co.
 MARKLEY, Willis R.
U Specimen known 1,021,059 March 26, 1912 Insulator
Knob
MARKLEY, Willis R.
Knob  
 MARSHALL, Albert E.
U Specimen known 1,700,066 January 22, 1929 Insulator for Radio Frequency Currents
Radio strain insulator made from Pyrex glass for antennas
MARSHALL, Albert E.
Radio Corning Glass Works
 MARSHALL, Elbridge
U 589,566 September 7, 1897 Lightning Rod
Lightning rod with two crowns or points and endless cables attaching them together to equalize the current
MARSHALL, Elbridge
Lightning Rod 9/10 to Ed Stein, J. H. Cannon, D. M. Moore, E. A. Dupree, J. H. McEwen, C. A. McEwen, and W. L. McEwen
 MARSHALL, George B.
U 907,834 December 29, 1908 Insulator
Slack wire holder with nail spike
MARSHALL, George B.
Slack Wire  
 MARTIN, Charles B.
HEWLETT, Edward M.
U 570,034 October 27, 1896 Insulator
Third rail insulator
MARTIN, Charles B.
HEWLETT, Edward M.
Third Rail General Electric Co.
 MARTIN, Charles B.
U 574,101 December 29, 1896 Insulator
Third rail insulator
MARTIN, Charles B.
Third Rail General Electric Co.
U 619,974 February 21, 1899 Rail Insulator
Third rail insulator with metal cap that secures the rail to the insulator.
MARTIN, Charles B.
Third Rail  
 MARTIN, William H.
U 1,070,151 August 12, 1913 Insulator
Clamp type
MARTIN, William H.
Clamp Type 1/2 to Newman, 1/2 to Knupp
 MARTIN, JR., Albert D.
U Specimen known 2,444,938 July 13, 1948 Insulator
Radio antennae insulator with center hole for nail and side slits to hold the antennae wire
MARTIN, JR., Albert D.
Radio  
 MARTINEZ, Woodward J.
U 1,602,918 October 12, 1926 Insulator
Knob
MARTINEZ, Woodward J.
Knob  
 MARVIN, Richard H.
U 1,245,940 November 6, 1917 Insulator
Suspension string of various size disks to balance electrical capacitance
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 1,441,990 January 9, 1923 Insulator Connector
Connector for the U-bolt links for Hewlett suspension disk
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U Specimen known 1,526,168 February 10, 1925 Insulator Link
Suspension links for Hewlett disks
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 1,690,989 November 6, 1928 Multiple String Insulator Suspension
Suspensions made up of several strings of disks
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 1,733,067 October 22, 1929 Insulator
Multipart with metal cap to prevent damage due to temp changes
MARVIN, Richard H.
Multipart The R. Thomas & Sons Co.
 MASON, Albert G.
BUCKLEY, Lorenzo C.
U 1,471,907 October 23, 1923 Machine for Heading Porcelain Tubes and the Like
Machine to make porcelain wall tubes
MASON, Albert G.
BUCKLEY, Lorenzo C.
Wall Tube The R. Thomas & Sons Co.
 MASON, John L.
U 22,186 November 30, 1858 Glass Jar
Screw cap shoulder seal fruit jar
MASON, John L.
HU  
 MAST, Charles O.
U 1,625,266 April 19, 1927 Rod Coupling
Lightning rod made solid with parallel fins and connected by coupling with matching male and female threads crimped over the ends of the rod sections
MAST, Charles O.
Lightning Rod Coupling Mast Lightning Rod Co.
 MAST, L. Lavake
U 367,348 July 26, 1887 Lightning Rod Brace
Lightning rod tripod stand by twisting metal rods and forming two eyes to hold insulators with lightning rod passing through
MAST, L. Lavake
Lightning Rod Stand 1/2 to Wesley J. Mast
 MAST, Lavake L.
U 877,442 January 21, 1908 Lightning Rod
Lightning rod made of sheet metal with bent or curved under edges
MAST, Lavake L.
Lightning Rod  
 MAST, Louis L.
U 395,399 January 1, 1889 Lightning Rod
Coupling for four-pointed lightning rods
MAST, Louis L.
Lightning Rod Coupling  
U 965,207 July 26, 1910 Electric Cable Lightning Rod
Conductor cable made from straight wires
MAST, Louis L.
Lightning Rod  
U 1,112,634 October 6, 1914 Lightning Conductor
Improvement of a previous application (see 1,119,973) by inserting a metallic disc in the coupling to aid in conduction through the coupling
MAST, Louis L.
Lightning Rod Delbert H. Mast
U 1,119,973 December 8, 1914 Lightning Conductor
Conductor composed of a strong metal core covered with a sheath of copper to form a ""star"" shaped lightning rod
MAST, Louis L.
Lightning Rod Delbert H. Mast
U 1,140,052 May 18, 1915 Coupling for Sectional Rods
Lightning rod coupling the fits over spiralled rods and crimps tight against the end and screws to other couplings (see 1,558,268)
MAST, Louis L.
Lightning Rod Coupling  
U 1,558,268 October 20, 1925 Coupling for Sectional Rods
Lightning rod coupling the fits over spiralled rods and crimps tight against the end and screws to other couplings (see 1,140,052)
MAST, Louis L.
Lightning Rod Coupling  
 MATHER, Thomas T.
U 951,505 March 8, 1910 Insulating Tube
Tree hanger comprised of split tube
MATHER, Thomas T.
Tree  
 MATHEWS, Martin D.
U 2,381,676 August 7, 1945 Insulator
Dry-spot with screw top
MATHEWS, Martin D.
Dry-spot  
U 2,406,095 August 20, 1946 Insulator
Dry-spot
MATHEWS, Martin D.
Dry-spot  
 MATHIAS, Charles L.
U 801,196 October 3, 1905 Self-Locking Insulator
Self-tying slot top
MATHIAS, Charles L.
Self-tying Slot Top 1/2 to Frank Kennedy
 MATHIAS, SR., Russell L.
U 2,992,515 July 18, 1961 Apparatus for Forming Perforated Glass Bodies
Machine to place holes in glass blocks
MATHIAS, SR., Russell L.
KI Kimble Glass Co.
 MATTHEWMAN, Joseph
U 201,544 March 19, 1878 Improvement in Insulators for Telegraph Wires
Threads of segmented internal threads to match segmented pin
MATTHEWMAN, Joseph
Thread  
 MAXWELL, Marshall P.
U 1,075,217 October 7, 1913 High Voltage Insulator
Suspension, cap design to allow easy connection using a spring-loaded clip
MAXWELL, Marshall P.
Suspension  
 MAYALL, Thomas J.
U 243,782 July 5, 1881 Compound Substance for Electric Insulators
Composition for hard rubber for insulators
MAYALL, Thomas J.
Composition  
 MAYER, Walter S.
U 1,271,596 July 9, 1918 Insulator Support
Bracket for knobs
MAYER, Walter S.
Bracket Electric Service Supplies Co.
 MCABEE, Philip W.
D 69,185 January 5, 1926 Design for a Bottle
Design for bottle shaped like head of cabbage or lettuce
MCABEE, Philip W.
Bottle  
D Specimen known 71,289 October 19, 1926 Design for a Bottle
Design for Blatz soda bottle
MCABEE, Philip W.
Bottle  
 MCCANN, Thomas T.
U 934,930 September 21, 1909 Insulator Pressing Machine
Press for making porcelain insulators
MCCANN, Thomas T.
Press  
 MCCARTHY, James B.
U 1,225,460 May 8, 1917 Insulator Wall Bracket
Bracket for rack knobs
MCCARTHY, James B.
Bracket National Metal Molding Co.
 MCCARTHY, Louis
U 411,749 September 24, 1889 Electric Insulator
Support for overhead wires for electric railways made of a block coated inside with composition material
MCCARTHY, Louis
Composition The Gould & Watson Co. and Charles Tennant Lee
U 413,146 October 15, 1889 Insulator
Tree insulator bracket holding wire with two spool type insulator
MCCARTHY, Louis
Tree Charles Lee & The Gould & Watson Co.
U 489,658 January 10, 1893 Strain Insulator
Strain type
MCCARTHY, Louis
Strain  
U Specimen known 530,706 December 11, 1894 Insulator
Composition insulator with clip ears
MCCARTHY, Louis
Composition  
D 28,355 March 8, 1898 Design for an Insulator
Insulator (composition?) with round end on pin
MCCARTHY, Louis
Misc  
D 28,356 March 8, 1898 Design for an Insulator
Insulator (composition?) similar to lightning rod ball
MCCARTHY, Louis
Misc  
U 605,741 June 14, 1898 Strain Insulator
Strain, adjustable insulator of composition & iron (Brown p. 30)
MCCARTHY, Louis
Strain  
U 706,194 August 5, 1902 Insulator
Strain composed of a ball of composition material with metal members embedded in the ball
MCCARTHY, Louis
Strain  
U 941,032 November 23, 1909 Process of Manufacturing Insulators
Press to mold and produce composition strain insulator
MCCARTHY, Louis
Press The Macallen Co.
U 1,000,535 August 15, 1911 Insulator
Strain, ball with eye-loops on each end
MCCARTHY, Louis
Strain  
 MCCHESNEY, JR., Samuel Waldrop
U 2,269,409 January 6, 1942 Wire Holder
Wireholder with lag screw
MCCHESNEY, JR., Samuel Waldrop
Wireholder Porcelain Products, Inc.
 MCCLUSKEY, Francis J.
GOLDNER, George W.
U Specimen known 2,246,807 June 24, 1941 Fuse Switch
Fuse holder and switch
MCCLUSKEY, Francis J.
GOLDNER, George W.
Fuse Holder James R. Kearney Corp.
 MCCOY, Robert L.
U 2,093,872 September 21, 1937 Radio Antenna Insulator for Airplanes
Antenna insulator for airplanes
MCCOY, Robert L.
Antenna Locke Insulator Corp.
 MCCREERY, Cecil W.
HATFIELD, Milton W.
U 2,596,341 May 13, 1952 Burner Block and Burner
Glass furnace burner and refractory burner block
MCCREERY, Cecil W.
HATFIELD, Milton W.
OI Owens-Illinois Glass Co.
 MCCREERY, Cecil Wayne
U 2,393,549 January 22, 1946 Press Molding Machine
Press for glass land mine production
MCCREERY, Cecil Wayne
OI Owens-Illinois Glass Co.
 MCCREERY, George L.
CAMPBELL, Van E.
HIGGINS, Ray
U 2,155,835 April 25, 1939 Ceramic Insulating Material
Improved ceramic composition using titanium oxide that will fire at typical kiln temperatures
MCCREERY, George L.
CAMPBELL, Van E.
HIGGINS, Ray
Ceramic Composition The Ohio Brass Co.
 MCCREERY, George L.
CAMPBELL, Van E.
U 2,283,685 May 19, 1942 High Resistance Conducting Coating for Electric Insulators
RFI coating to prevent radio interference
MCCREERY, George L.
CAMPBELL, Van E.
RFI The Ohio Brass Co.
 MCCULLOUGH, William H.
U 852,572 May 7, 1907 Lightning Conductor
Lightning rod conductor made of braided wire with ends of the wire pushed through the braiding of the other to make a good connection
MCCULLOUGH, William H.
Lightning Rod  
U 1,181,399 May 2, 1916 Lightning Rod Connecting Clamp
Coupling for connecting lightning rods to conductor which clamps around both ends
MCCULLOUGH, William H.
Lightning Rod Coupling J. W. Moorehead, Rayburn Hunter & Co.
 MCDANIEL, Esek
BARR, Michael
U 802,015 October 17, 1905 Device for Attaching Telephone and Other Wires to Insulators
Tie wire with loop and clip to hold line wire
MCDANIEL, Esek
BARR, Michael
Tie Wire  
 MCDANIEL, Robert J.
GRAVES, Salathiel V.
U 787,107 April 11, 1905 Telegraph or Telephone Wire Insulator
Clamp type
MCDANIEL, Robert J.
GRAVES, Salathiel V.
Clamp Type Samuel Hudson
 MCDAVITT, Murray
VINCENT, Harvard B.
U 2,941,393 June 21, 1960 Banded Hollow Glass Structural Unit
Glass block for skylights etc.
MCDAVITT, Murray
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
 MCDONALD, William B.
D 28,743 May 31, 1898 Design for an Insulator Plate
Truncated triangular glass plate with three wiring knobs for arc lights
MCDONALD, William B.
Misc  
 MCFEATERS, George H.
U Specimen known 746,362 December 8, 1903 Insulator Hanger or Bracket
Bracket for knobs
MCFEATERS, George H.
Bracket  
U 1,315,633 September 9, 1919 Insulator Support
Bracket for knobs
MCFEATERS, George H.
Bracket  
 MCGILL, John J.
U 829,416 August 28, 1906 Third Rail Insulator
Third rail insulator with 2-part metal cap to secure the rail.
MCGILL, John J.
Third Rail 1/2 to Frank J. Guernsey
 MCGRATH, Sylvester S.
LAWLOR, John J.
U 674,792 May 21, 1901 Revolving Truck for Flag Poles
Lightning rod in combination with a revolving rope guide
MCGRATH, Sylvester S.
LAWLOR, John J.
Lightning Rod  
 MCGRORY, Thomas
U 293,901 February 19, 1884 Lock Wire Insulator
Self-tying with slotted crown (Electrical World 10-18-1884)
MCGRORY, Thomas
Self-tying Miscellaneous  
U 323,055 July 28, 1885 Insulator
Self-tying slot top with projections to bend wire
MCGRORY, Thomas
Self-tying Slot Top  
 MCKEE, Frederick
BALLINGER, Charles
U 42,143 March 29, 1864 Glass Pressing Machine
Glass press using steam piston to apply pressure
MCKEE, Frederick
BALLINGER, Charles
Press McKee and Brothers
 MCKEE, Samuel
U 107,075 September 6, 1870 Improvement in Telegraph Insulators
Threaded screw top (external) for mounting in hole in crossarm or pole
MCKEE, Samuel
Thread  
 MCKNIGHT, Oscar W.
U 1,314,682 September 2, 1919 Spur Forming Machine
Machine for making nail-knobs (see 1,517,084)
MCKNIGHT, Oscar W.
Knob Brunt Tile & Porcelain Co.
U 1,342,053 June 1, 1920 Bushing Forming Machine
Machine to manufacture wall tubes and bushings
MCKNIGHT, Oscar W.
Wall Tube Brunt Tile & Porcelain Co.
U 1,517,084 November 25, 1924 Spur Forming Machine
Machine for making nail-knobs (see 1,314,682)
MCKNIGHT, Oscar W.
Knob Brunt Tile & Porcelain Co.
 MCLACHLAN, Alexander
U 2,139,415 December 6, 1938 Strain or Suspension Clamp
A combined strain and suspension clamp
MCLACHLAN, Alexander
Suspension Jeffery Dewitt Insulator Co.
 MCLARN, Ernest S.
U Specimen known 2,309,971 February 2, 1943 Drop Wire Support
Drop wire supporting clip
MCLARN, Ernest S.
Drop Wire Support International Standard Electric Corp.
 MCLAUGHLIN, William
U 1,432,706 October 17, 1922 Recuperator for Glass Furnaces and the Like
Glass furnace design
MCLAUGHLIN, William
McLaughlin 1/2 to Charles E. Norton
U 1,572,242 February 9, 1926 Beverage Cooler and Dispenser
Beverage cooler
MCLAUGHLIN, William
McLaughlin  
U 1,594,015 July 27, 1926 Beverage Cooler and Dispenser
Beverage cooler and dispenser for orange and other fruit juices that have sediment
MCLAUGHLIN, William
McLaughlin  
U 2,319,621 May 18, 1943 Cover for Glass Fixture Holders
Cover for electric light fixtures
MCLAUGHLIN, William
McLaughlin  
U 2,693,667 November 9, 1954 Method of Blowing Glass Bottles
Method to blow 5 gallon and larger glass bottles
MCLAUGHLIN, William
McLaughlin  
 MCLENNAN, Roderick
U 911,429 February 2, 1909 Cleat for Electric Wires
Cleat - L shaped for curves
MCLENNAN, Roderick
Cleat  
 MCLEOD, N. N.
U 22,188 November 30, 1858 Improved Supporting Insulator for Lightning Rods
Lightning rod insulator (glass) and bracket to support rod
MCLEOD, N. N.
Lightning Rod Insulator  
 MCNUTT, Ross C.
U 876,828 January 14, 1908 Insulator
Composition design of reinforced concrete
MCNUTT, Ross C.
Composition  
 MEAD, George A.
U 945,972 January 11, 1910 Catenary Suspension for Trolley Wires and the Like
Catenary arrangement using deadend spools
MEAD, George A.
Catenary  
U Specimen known 1,048,992 December 31, 1912 Insulator
Strain, interlocking type (OB hog liver)
MEAD, George A.
Strain The Ohio Brass Co.
 MEAD, George Warren
U 584,823 June 22, 1897 Combined Bracket and Insulator
Combined bracket and insulator with bracket made of non-conducting material such as glass or porcelain
MEAD, George Warren
Bracket  
 MEGAHAN, Oliver P.
U 1,029,207 June 11, 1912 Insulator Support
Crossarm composed of reinforced concrete
MEGAHAN, Oliver P.
Crossarm  
 MEISSE, Louis A.
U 2,146,344 February 7, 1939 Electric Insulator
Suspension cementing technique to reduce damage from expansion
MEISSE, Louis A.
Suspension The Ohio Brass Co.
 MENAGER, Henry A.
U 1,036,136 August 20, 1912 Tool for Stringing Line Wires
Special bracket that fits around the insulator and crossarm to loosely hold the line wire during stringing and before the line is tied to the insulator
MENAGER, Henry A.
Bracket 91/100 to John A. Menager
 MENZEL, Werner
U 628,343 July 4, 1899 Fixing of Insulators for Carrying Electric Line Wires
Metal pin with a threaded end for mounting an insulator and below that angular grooves to aid mounting and mortaring in brick, concrete or stone (see gb1899-0002396)
MENZEL, Werner
Pin  
 MERRELL, Edward A.
U 138,512 May 6, 1873 Improvement in Insulators for Telegraph lines
Self-tying insulator with cap
MERRELL, Edward A.
Self-tying Miscellaneous  
 MERRICK, JR., John M.
U Specimen known 87,187 February 23, 1869 Improved Composition Insulator for Telegraph and other Electric Conductors
Composition material of silica, gum shellac etc. molded
MERRICK, JR., John M.
Composition  
 MERSHIMER, Lawrence M.
U 1,818,494 August 11, 1931 Lightning Rod Point Connection
Lightning rod with swiveling support that can be screwed to the roof
MERSHIMER, Lawrence M.
Lightning Rod  
 MERSHON, Ralph D.
U Specimen known 605,256 June 7, 1898 Insulator
CD 288, U-938 & U-945
MERSHON, Ralph D.
Insulator  
U 917,785 April 13, 1909 Insulating Support for High Tension Conductors
Suspension support system
MERSHON, Ralph D.
Suspension  
U 1,164,739 December 21, 1915 Method of Making Insulating Devices
Manufacturing technique to make long bushings with petticoats by stacking them on a fired core and fusing the petticoats to the core
MERSHON, Ralph D.
Manufacturing  
 MEURLING, John A.
U 970,078 September 13, 1910 Insulator
Self-tying via side mounted device
MEURLING, John A.
Self-tying Miscellaneous  
 MEYER, Edwin M.
U 2,024,831 December 17, 1935 Insulator
Spool type wireholder and lag screw bracket
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
U 2,278,330 March 31, 1942 Multipost Line Insulator
Two post insulators joined together with elongated metal bottom cap
MEYER, Edwin M.
Insulator Porcelain Products, Inc.
U 2,286,496 June 16, 1942 Wire Holder
Wireholder with lag screw
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
 MEYER, George
U 1,373,519 April 5, 1921 Lightning Rod Connector
Lightning rod coupling composed of a Y-shaped channel to hold the conductor and provide two connections
MEYER, George
Lightning Rod Coupling  
 MIDDLETON, George
U 558,509 April 21, 1896 Wire Clamp for Telegraph or Similar Wires
Tie wire clamp with cam lever
MIDDLETON, George
Tie Wire  
 MIETH, Herman
U 887,336 May 12, 1908 Electric Insulator
Radio antenna strain insulator made weatherproof with a metal cover.
MIETH, Herman
Radio Antenna  
 MILLER, Charles E.
U 1,143,983 June 22, 1915 Insulator Support
Pin with metal spring coil of varying diameter for threads
MILLER, Charles E.
Pin  
U 1,385,638 July 26, 1921 Supporting Bracket
Steel pin with lag screw and spring for threads
MILLER, Charles E.
Pin  
U 1,838,319 December 29, 1931 Insulator
Wireholder with lag screw
MILLER, Charles E.
Wireholder  
U 1,911,031 May 23, 1933 Insulator Support
Steel pin, support base, and threads made of a spring coil
MILLER, Charles E.
Pin Hubbard & Co.
 MILLER, Frederic H.
JACKSON, Ray P.
U 1,782,790 November 25, 1930 Insulator
Strain insulator composed of a wooden strain sealed inside porcelain tubular shell that is filled with non-conducting oil
MILLER, Frederic H.
JACKSON, Ray P.
Strain Westinghouse Electric & Mfg. Co.
 MILLER, Frederick H.
U 1,599,580 September 14, 1926 Insulator
Multipart insulator with bowl underneath to balance electrical field
MILLER, Frederick H.
Multipart Westinghouse Electric & Mfg. Co.
U 1,669,529 May 15, 1928 Insulator
Suspension fog-type with wood strain insulator for connecting to another insulator
MILLER, Frederick H.
Suspension Westinghouse Electric & Mfg. Co.
 MILLER, George A.
U 873,154 December 10, 1907 Two Male T
Lightning rod ""T"" coupling
MILLER, George A.
Lightning Rod Coupling St. Louis Lightning Rod Co.
U 1,003,285 September 12, 1911 Lightning Rod Brace
Lightning rod tripod to support rod with Y-clips to hold conductor insulator or conductor
MILLER, George A.
Lightning Rod  
 MILLER, William R.
U 153,101 July 14, 1874 Improvement in Piano Sound Insulating Attachments
Glass insert in a piano leg with hole for mounting a caster wheel
MILLER, William R.
Piano  
U 155,099 September 15, 1874 Improvement in Insulators for Musical Instruments
Insulator mounted between the top of the piano leg and the piano
MILLER, William R.
Piano  
U 159,342 February 2, 1875 Improvement in Piano Insulators
Insulator mounted between the top of the piano leg and the piano
MILLER, William R.
Piano  
 MILNE, Winford G.
RIDGERS, Frederick G.
U 2,747,010 May 22, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
U 2,757,224 July 31, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
 MINARIK, Rudolph A.
U 2,426,466 August 26, 1947 Insulator for Electrical Wire Conductors
Cleat with V-groove to hold line wire between the two halves
MINARIK, Rudolph A.
Cleat 1/2 to Ralph E. Meech
 MINER, Stephen H.
U 121,884 December 12, 1871 Improvement in Lightning Rods
Lightning rod made of two metal plate with one ribbed in the center each edge curved into a circle
MINER, Stephen H.
Lightning Rod  
 MINER, Thomas H.
U 813,660 February 27, 1906 Lightning Conductor
Lightning rod and point made of a system of wires across the roof
MINER, Thomas H.
Lightning Rod  
 MINOR, Douglas F.
U 1,684,066 September 11, 1928 Insulator
Suspension with metal and porcelain shaped to conform with electric field
MINOR, Douglas F.
Suspension Westinghouse Electric & Mfg. Co.
 MITCHELL, Loron
U 609,288 August 16, 1898 Means for Fastening Insulator Pins to Crossarms
Pin, wooden with friction device to hold it in the crossarm
MITCHELL, Loron
Pin  
 MITCHELL, Melvin G.
U 1,017,308 February 13, 1912 Lightning Conductor
Lightning rod tip with clip fastener to attach to conductor
MITCHELL, Melvin G.
Lightning Rod Point National Cable & Mfg. Co.
U 1,129,358 February 23, 1915 Lightning Rod Conductor
Lightning rod attached to conductor with flat sheet metal end
MITCHELL, Melvin G.
Lightning Rod National-Standard Co.
 MITCHELL, S. J.
U 47,846 May 23, 1865 Improvement in Lightning Rods
Lightning rod point made up of a multitude of tips and main shaft separate in branches
MITCHELL, S. J.
Lightning Rod Point  
 MIX, Chauncey C.
U 2,843,653 July 15, 1958 Conductor Insulator Clamp
Tie wire replacement using a preformed bail wire design
MIX, Chauncey C.
Tie Wire  
 MOCK, John H.
U 1,176,590 March 21, 1916 Protected Insulator
Two part round or ball-shaped insulator secured with a metal cover. The line wire is clamped between the two insulator parts and the metal protective cover holds the parts securely against the wire.
MOCK, John H.
Protective Shield  
 MOFFAT, John Miles
U 572,438 December 1, 1896 Cell or Box for Electric Batteries
(Gould battery rests: CD 20, CD 25, CD 50, CD 51) also patents England: 10,463 (5-30-1894); Germany: 85,828 (3-26-1895)
MOFFAT, John Miles
Insulator  
 MOHRMANN, Paul
D 52,339 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with a winged wheel attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
D 52,340 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with a stork bird attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
D 52,341 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with an ear of corn attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
D 52,361 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with a witch and crescent moon attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
 MONTANDON, Arthur
U 1,861,316 May 31, 1932 Insulator
Suspension (Hewlett type) with oil reservoir
MONTANDON, Arthur
Suspension 1/2 to Societe Gen. D'Entr.
 MOODY, Walter S.
U 1,132,281 March 16, 1915 Reactive Coil
Odd arrangement for a choke coil around Hewlett fish-tail strain insulators.
MOODY, Walter S.
Coil General Electric Co.
 MOORE, George J.
U 950,454 February 22, 1910 Lightning Rod
Conductor cable made by spiralling one wire around a straight wire and making a cable using multiple pairs
MOORE, George J.
Lightning Rod Moore Brothers Lightning Rod Co.
U 964,297 July 12, 1910 Lightning Rod Upright
Lightning attached to conductor with bracket formed out of sheet metal and bolted to rod
MOORE, George J.
Lightning Rod  
 MOORE, Ira M.
U 1,538,946 May 26, 1925 Lightning Rod Connector
Lightning rod with Y-shaped connector pressed out of sheet metal, folded in half around the conductor, and halves secured together by bending over the metal tabs
MOORE, Ira M.
Lightning Rod  
 MOORE, John W.
U Specimen known 1,048,850 December 31, 1912 Insulator
Findlay reversible ""Buckeye"" split-knob for crossovers
MOORE, John W.
Knob  
 MOORE, Roy W.
U 2,201,049 May 14, 1940 Glass Fabrication Process and Mold
Glass bushing making process
MOORE, Roy W.
Manufacturing General Electric Co.
 MOORE, Stewart L.
U 2,048,558 July 21, 1936 Insulator Plunging Machine
Plunging machine to form the shape of bushings and other insulators without the need for turning
MOORE, Stewart L.
Manufacturing Locke Insulator Corp.
 MOORE, William Enoch
U 955,661 April 19, 1910 Insulator
Under crossarm type (see 1,694,415)
MOORE, William Enoch
Under Crossarm  
 MOORE, William S.
U 996,782 July 4, 1911 Insulator
Crossover
MOORE, William S.
Crossover  
 MOORE, JR., George F.
U 742,890 November 3, 1903 Telephone Tie Wire
Tie wire consisting of loop of wire with preformed ends to wrap around the line wire
MOORE, JR., George F.
Tie Wire  
 MOORE, JR., Stewart L.
U 1,697,434 January 1, 1929 Hole Cutting Machine
Machine for cutting holes in Hewlett type suspension disks for links
MOORE, JR., Stewart L.
Manufacturing Locke Insulator Corp.
U 1,697,435 January 1, 1929 Hole Cutting Machine
Machine for cutting holes in Hewlett type suspension disks for links
MOORE, JR., Stewart L.
Manufacturing Locke Insulator Corp.
U 1,717,996 June 18, 1929 Means for and Method of Making Insulators
Press method of molding porcelain insulator with vibration improves quality (Hewlett)
MOORE, JR., Stewart L.
Press Locke Insulator Corp.
U 1,719,989 July 9, 1929 Method of and Apparatus for Assembling Insulators
Method of assembling the shells, holding downward pressure, and vibrating to settle cement around the shells to eliminate air
MOORE, JR., Stewart L.
Manufacturing Locke Insulator Corp.
 MORENE, Carl T.
U 1,206,882 December 5, 1916 Insulating Tube
Wall tube with wedge projections
MORENE, Carl T.
Wall Tube  
 MORGAN, Andrew J.
U Specimen known 1,258,802 March 12, 1918 Insulator Support
Tree type - swinging type with bracket and roller on pin type insulator
MORGAN, Andrew J.
Tree  
 MORGAN, Arthur M.
U 1,061,311 May 13, 1913 Line Wire Fastener
Tie wire replacement consisting of a metal U that clips the wire and lever to tighten around the insulator
MORGAN, Arthur M.
Tie Wire  
 MORGAN, Jacque L.
D 29,782 December 6, 1898 Design for an Insulator
Miscellaneous insulator
MORGAN, Jacque L.
Misc  
D 30,564 April 18, 1899 Design for an Insulator
Miscellaneous insulator
MORGAN, Jacque L.
Misc  
 MORGENSTERN, Joseph
BRASTY, Joseph
U 2,081,832 May 25, 1937 Insulator
Wireholder with hole and lag screw
MORGENSTERN, Joseph
BRASTY, Joseph
Wireholder  
 MORIYA, Tsutomu
SHINOKUBO, Hiroyuki
U 4,782,198 November 1, 1988 Suspension Insulators
Suspension (porcelain) with glazed head for cementing metal cap
MORIYA, Tsutomu
SHINOKUBO, Hiroyuki
Suspension NGK Insulators, Ltd.
 MORRIS, Elmer P.
U 803,010 October 31, 1905 Insulator
Pin with grooved insulator on top of crossarm to catch wire if it falls off of insulator
MORRIS, Elmer P.
Pin  
 MORRIS, George H.
U 1,034,394 July 30, 1912 Insulating Support for Storage Battery Tanks
CD 35, CD 36; Battery insulator with soft metal cap
MORRIS, George H.
Battery The Electric Storage Battery Co.
 MORTON, William A.
U 866,596 September 17, 1907 Insulator
Self-tying via cylindrical slot with screw threads
MORTON, William A.
Self-tying Miscellaneous  
 MORTON, William Arthur
U 319,300 June 2, 1885 Lightning Arrester for Wire Fence
Lightning protection for wire fence
MORTON, William Arthur
Lightning Rod Fence  
 MOSS, Benton C.
U 1,185,700 June 6, 1916 Insulator for Trolley Wires
Trolley hanger insulator
MOSS, Benton C.
Trolley 1/2 to Charles Fritts
 MOSS, Bertie B.
U 793,313 June 27, 1905 Insulator
Split insulator to hold wire in the center hole and split bracket to hold insulator above crossarm to prevent line wire from dropping if insulator breaks
MOSS, Bertie B.
Miscellaneous Leander G. Davis and Milton Hottel
 MOTT, Everett V.
ROVERE, Lewis H.
ROWLAND, Davidge H.
U 1,744,566 January 21, 1930 Ground Resistance Test Set
Portable instrument to measure electrical ground resistance
MOTT, Everett V.
ROVERE, Lewis H.
ROWLAND, Davidge H.
Testing Western Union Telegraph Co.
 MOTT, John M.
U 127,094 May 21, 1872 Improvement in Lightning Rods
Lightning rod made of a flat strip of copper with two galvanized wires fixed to the center on each side and then twisting to form a helical shaped rod
MOTT, John M.
Lightning Rod  
U 152,153 June 16, 1874 Improvement in Lightning Rods
Lightning rod made of sheet metal rolled to form four tubular sections with two of the tubes fitted with dowell pins to connect the rod sections
MOTT, John M.
Lightning Rod  
U 152,242 June 23, 1874 Improvement in Lightning Rods
Coupling to make T-connections for lightning rods
MOTT, John M.
Lightning Rod Coupling  
 MUELLER, Auguste Robert
U 1,228,349 May 29, 1917 Electric Insulator
Self-tying screw top
MUELLER, Auguste Robert
Self-tying Screw Top  
 MUELLER, Ferdinand C. H.
U 1,640,514 August 30, 1927 Press for Forming Plastic Materials
Press for forming threads in wet process porcelain
MUELLER, Ferdinand C. H.
Press Findlay Electric Porcelain Co.
 MUELLER, Otto
HAMER, William D.
U 1,246,304 November 13, 1917 Support for Electric Conductors
Bracket for 3 large insulators for pole top
MUELLER, Otto
HAMER, William D.
Bracket Electric Service Supplies Co.
 MULLEN, George Allen
U 1,244,118 October 23, 1917 System of Lightning Conductors
System of lightning rods to form a metallic cage surrounding the building
MULLEN, George Allen
Lightning Rod  
 MULLER, Auguste R.
U 1,159,409 November 9, 1915 Electric Insulator
Multipart bus bar type that can be screwed together
MULLER, Auguste R.
Multipart  
 MULLER, Henry N.
D Specimen known 49,365 July 11, 1916 Design for a Strain Insulator
Strain
MULLER, Henry N.
Strain  
 MUNN, William B.
U 135,574 February 4, 1873 Improvement in Lightning Rods
Lightning rod made of iron wire cable core with sheet copper wrapped around the outside and edges tucked in between the cables
MUNN, William B.
Lightning Rod  
U 161,541 March 30, 1875 Improvement in Machines for Making Lightning Rods
Machine for making lightning rods (see reissue 8,696)
MUNN, William B.
Lightning Rod Machine  
R 8,696 May 6, 1879 Improvement in Machines for Making Lightning Rods
Machine for making lightning rods (see 161,541)
MUNN, William B.
Lightning Rod Machine  
U 258,590 May 30, 1882 Coupling for Lightning Rods
Coupling made in a hollow metal box that can be crimped during installation to fit around the spiralling sides of the lightning rod
MUNN, William B.
Lightning Rod Coupling  
U 263,423 August 29, 1882 Stand for Lighting Rods
Lightning rod tripod stand supported on insulators mounted on the feet
MUNN, William B.
Lightning Rod  
 MUNSIE, James F.
U 426,198 April 22, 1890 Insulator
Covers for insulators on crossarms to protect them from rain and reduce electrical leakage
MUNSIE, James F.
Rainshed  
U 426,203 April 22, 1890 Insulator
Wood tree insulator with line wire running through the center of a rod of wood
MUNSIE, James F.
Wood Thomas L. Coles
U 455,107 June 30, 1891 Insulator
Third rail insulator with cup to hold hygroscopic chemical and means to heat insulator to drive off moisture
MUNSIE, James F.
Third Rail  
 MUNSON, Alvin J.
U 355,655 January 4, 1887 Ball Ornament for Lightning Rods, &c.
Lightning rod ball colored or silvered on the inside with a hollow glass tube to receive the rod and same sealed at the ball to prevent moisture or water from entering the ball
MUNSON, Alvin J.
Lightning Rod Ornament  
U 563,938 July 14, 1896 Ornament Indicator for Weather Vanes
Ornamental weathervane with balls or pendants hanging from the four directions and a ribbed ball below the lightning rod point
MUNSON, Alvin J.
Weathervane  
 MUNSON, Alvin Johnston
U 332,673 December 15, 1885 Coupling for Lightning Rods
Coupling for four-pointed twisted lightning rods
MUNSON, Alvin Johnston
Lightning Rod Coupling  
U 343,332 June 8, 1886 Ball Ornament for Lightning Rods
Glass ball ornament for lightning rods
MUNSON, Alvin Johnston
Lightning Rod Ornament  
 MUNSON, David
U 15,491 August 5, 1856 Improvement in Lightning Rods
Lightning rod made of tubular metal with fins
MUNSON, David
Lightning Rod  
U 44,880 November 1, 1864 Improvement in Lightning Rod Conductors
Lightning rod made of two types of sheet metal forming a galvanic current to protect the copper
MUNSON, David
Lightning Rod  
U 74,406 February 11, 1868 Improvement in Lightning Rods
Lightning rod made with twists and folds
MUNSON, David
Lightning Rod  
U 84,210 November 17, 1868 Improvement in Lightning Rods
Lightning rod made of flat U-shaped metal that can be easily fastened together
MUNSON, David
Lightning Rod  
U 99,461 February 1, 1870 Improvement in Lightning Rods
Lightning rod point stamped from sheet metal and having two wings
MUNSON, David
Lightning Rod Point  
U 100,549 March 8, 1870 Improvement in Lightning Rods
Lightning rod made of two sheets of metal forming double tubing with flanges and twisted
MUNSON, David
Lightning Rod  
U 110,778 January 3, 1871 Improvement in Lightning Rods
Hollow lightning rod made from sheet metal and without internal support
MUNSON, David
Lightning Rod  
U 119,043 September 19, 1871 Improvement in Lightning Rods
Lightning rod made by wrapping angular copper wire around an iron core
MUNSON, David
Lightning Rod  
U 129,675 July 23, 1872 Improvement in Lightning Rods
Lightning rod made of several ropes of twisted angular copper wire twisted around themselves
MUNSON, David
Lightning Rod  
U 129,676 July 23, 1872 Improvement in Lightning Rods
Lightning rod made of several ropes of twisted angular copper wire twisted around an iron core to reduce cost
MUNSON, David
Lightning Rod  
U 129,677 July 23, 1872 Improvement in Lightning Rods
Lightning rod made of several ropes of twisted angular copper wire twisted around themselves with iron wire laid in the twist to reduce cost
MUNSON, David
Lightning Rod  
U 184,164 November 7, 1876 Improvement in Lightning Rods
Lightning rod made of a core of twisted copper wire with twisted copper wire strands wrapped around the core and the whole finished cable plated with tin or nickel
MUNSON, David
Lightning Rod  
U 204,359 May 28, 1878 Improvement in Lightning Rods
Lightning rod that is hollow and ribbed with galvanized iron core and points fitted along the rod
MUNSON, David
Lightning Rod  
 MURDOCK, Henry D.
U Specimen known 682,831 September 17, 1901 Adjustable Insulator
Knobs with various fluted sides grouped to hold wire
MURDOCK, Henry D.
Knob  
U 818,186 April 17, 1906 Insulating Cleat
2-piece single wire cleat
MURDOCK, Henry D.
Cleat  
 MURPHY, Edward J.
U Specimen known 291,072 January 1, 1884 Press for Molding Glass Insulators
Press for making glass insulators to form interior
MURPHY, Edward J.
Press Lawrence Gray & Joseph Ham
 MURRAY, John E.
U 713,904 November 18, 1902 Insulator for Telegraph Lines
Self-tying screw top
MURRAY, John E.
Self-tying Screw Top  
 MYERS, McClelland
U 771,483 October 4, 1904 Glass Mold
Glass press that can be adapted for insulator manufacture
MYERS, McClelland
Press 1/2 to John P. Elkins
U 809,969 January 16, 1906 Glass-Molding Apparatus
Glass press for jars or insulators
MYERS, McClelland
Press  
 NAGLE, Josehp A.
U 1,512,299 October 21, 1924 Temporary Binder for Ceramic Bodies
Use of wheat flour to act as an organic binder to aid in holding the shape of a ceramic material before it is fired
NAGLE, Josehp A.
Manufacturing Jeffery-Dewitt Co.
 NAKAMURA, Itsushi
MORI, Shigeo
U 4,658,092 April 14, 1987 Explosion Preventing Suspension Insulator
Suspension insulator using cement to prevent damage to insulator from expansion
NAKAMURA, Itsushi
MORI, Shigeo
Suspension NGK Insulators, Ltd.
 NASHOLD, Elias
U 522,302 July 3, 1894 Self-Locking Cleat for Electric Wires
Cleat - self-tying (shown on page 273 of 1897 Electric Appliance Co. catalog No. 12
NASHOLD, Elias
Cleat 2/5 to Henry Baskette
 NAYLOR, William K.
U 1,725,097 August 20, 1929 Insulator Structure
Metal parts of suspension insulators are coated with rubber or resin to help prevent or reduce flashover
NAYLOR, William K.
Suspension Westinghouse Electric & Mfg. Co.
 NEAL, Lewis M.
U 378,971 March 6, 1888 Insulator
Block of glass inverted & head combination secured to crossarm by wire
NEAL, Lewis M.
Block  
 NEBLETT, Charles
U 303,877 August 19, 1884 Insulator Supporting Bracket for Electric Wires
Bracket to support insulator at corner or edge of building
NEBLETT, Charles
Bracket  
 NEELEY, George S.
U 1,221,893 April 10, 1917 Safety Repair Device for High Voltage Transmission Lines
Clamp to hold conductor to insulator while repairs are made
NEELEY, George S.
Clamp 1/2 to Thomas O. Moloney
 NEELY, Zen W.
LEWIS, George A.
U 1,150,697 August 17, 1915 Insulator
Self-tying screw top
NEELY, Zen W.
LEWIS, George A.
Self-tying Screw Top  
 NELSON, Clark B.
U 384,384 June 12, 1888 Metallic Crest Tile Lightning Rod
Lightning rod in the form of metal crest tile and attached to end eaves of the house with conductors to ground
NELSON, Clark B.
Lightning Rod Crest 1/2 to James H. Watson
 NELSON, William H. S.
U 1,038,418 September 10, 1912 Insulator
Self-tying slot top
NELSON, William H. S.
Self-tying Slot Top  
 NEMES, Mike
U 1,032,153 July 9, 1912 Insulator
Self-tying miscellaneous
NEMES, Mike
Self-tying Miscellaneous  
 NESMITH, Christopher C.
ARNETT, George F.
U 584,235 June 8, 1897 Insulator for Telegraph or Other Electric Wires
Clamp type in holder of similar shape to Cutter
NESMITH, Christopher C.
ARNETT, George F.
Clamp Type  
 NESS, John A.
NESS, Walter
U 1,512,944 October 28, 1924 Conductor Holder
Device to hold conductor of telephone and telegraphs lines while line is being strung
NESS, John A.
NESS, Walter
Miscellaneous  
 NEVILLE, Asa G.
U 443,403 December 23, 1890 Revolving Mold for Glassware
Mold for glassware (for making seamless glass)
NEVILLE, Asa G.
HU  
 NEWBY, William
U 1,226,795 May 22, 1917 Insulator Press
Insulator press
NEWBY, William
Press William I. Lourie
 NEWELL, Hiram F.
U 463,955 November 24, 1891 Electric Wire Insulator
Self-tying with fingers
NEWELL, Hiram F.
Self-tying Miscellaneous  
 NEWHALL, Walter P.
U 250,950 December 13, 1881 Electrical Conductor for Oil Tank Protection
Lightning rod protection system for an oil tank
NEWHALL, Walter P.
Lightning Rod 1/2 to James Casey
 NEWMAN, Maurice H.
GILARDIN, William A.
U 1,592,042 July 13, 1926 Insulator
Knob
NEWMAN, Maurice H.
GILARDIN, William A.
Knob  
 NEWTON, Orrin
U 28,397 May 22, 1860 Improvement in Making Sheet Metal Caps & c.
Method of making screw caps
NEWTON, Orrin
HU  
 NICHOLS, Frank S.
SMITH, JR., Sidney R.
U 2,879,323 March 24, 1959 Electrical Insulating Cement
Cement made from synthetic resin to bond metal to porcelain
NICHOLS, Frank S.
SMITH, JR., Sidney R.
Cement General Electric Co.
 NICHOLS, William H.
U Specimen known 697,001 April 8, 1902 Insulator
2-piece reversible nail-knob “P. E. M. Co. knob” (made by the Porcelain Electric Mfg. Co.) formerly known as the “W. E. split knob”. When Thomas received exclusive right to make and market the knob, it was called Thomas “T. P. I. knob “.
NICHOLS, William H.
Knob 1/2 to Elmer Larrabee
U Specimen known 1,144,153 June 22, 1915 Insulator
Knob
NICHOLS, William H.
Knob  
 NICHOLSON, Henry C.
SPRATT, James
U 10,396 January 3, 1854 Improvement in Sealing Preserve Cans
Pump to pull a vacuum on a can
NICHOLSON, Henry C.
SPRATT, James
Can  
 NICHOLSON, Lloyd C.
U Specimen known 954,329 April 5, 1910 Insulator Protecting Apparatus
Multipart protected by arcing ring
NICHOLSON, Lloyd C.
Multipart  
U Specimen known 966,583 August 9, 1910 Insulator Protecting Apparatus
Multipart protected by arcing ring
NICHOLSON, Lloyd C.
Multipart  
U Specimen known 966,584 August 9, 1910 Protecting Apparatus for Insulators
Suspension protected by arcing ring
NICHOLSON, Lloyd C.
Suspension  
 NICOL, David S.
U 1,266,615 May 21, 1918 Insulator Clamp
Clamp for crown of large insulator
NICOL, David S.
Clamp Shawinigan Water & Power Co.
 NICOLS, James F.
U 834,533 October 30, 1906 Insulator
Knob - split vertically to clamp wire
NICOLS, James F.
Knob 1/2 to C. D. Stevens
 NIKONOW, John P.
U 896,934 August 25, 1908 Insulator
Strain insulator (assigned to Westinghouse) (see article 12236)
NIKONOW, John P.
Strain  
 NOBLE, Burton A.
U 2,331,041 October 5, 1943 Method of Surface Treating Glass Containers
Treatment of interior surfaces of glass block
NOBLE, Burton A.
OI Owens-Illinois Glass Co.
 NOBLE, John E.
U 280,324 June 26, 1883 Combined Insulator and Lightning arrester
Combined insulator and lightning arrestor
NOBLE, John E.
Lightning Arrestor 1/6 to Charles J. Leming
 NOEGGERATH, Jakob E.
U 974,177 November 1, 1910 Insulator for High Tension transmission systems
Suspension insulator with yieldable slugs to distribute strain pressure
NOEGGERATH, Jakob E.
Suspension General Electric Co.
 NORGRAVE, George B.
U 466,726 January 5, 1892 Insulator
Clamp type split knob with lag screw
NORGRAVE, George B.
Clamp Type Richard I. Brewster
 NORTH, Stephen
U 125,980 April 23, 1872 Improvement in Screw Cutting Device
Insulator pin threading device
NORTH, Stephen
Pin  
 NOYES, La Verne W.
U 800,935 October 3, 1905 Electric Wire Tower
Steel tower composed of triangular structure
NOYES, La Verne W.
Tower  
U 857,101 June 18, 1907 Cross Arm for Towers
Cross arm with pins for insulators made of hollow cylindrical steel similar to pipe
NOYES, La Verne W.
Pin  
 NULL, Carroll Thomas
U 3,589,986 June 29, 1971 Method of Fabricating a Glass Forming Apparatus
Plating of molds with Chromium for glass blocks & TV faceplates
NULL, Carroll Thomas
OI Owens-Illinois Glass Co.
 NUNN, Silvester
U 1,146,201 July 13, 1915 Electric Wire Insulator
Self-tying screw top with slotted top
NUNN, Silvester
Self-tying Screw Top  
 O'BRIEN, James
MATTIMORE, John
U 710,206 September 30, 1902 Apparatus for Transposing Electric Circuit Wires so as to Equalize Induction
Transposition bracket
O'BRIEN, James
MATTIMORE, John
Transposition  
 O'BRIEN, John
U Specimen known 316,812 April 28, 1885 Telegraph Insulator
CD 119, self-tying via projections (347,635 more appropriate)
O'BRIEN, John
Insulator William Brookfield
U Specimen known 347,635 August 17, 1886 Telegraph Insulator
CD 119, self-tying with fingers (should use instead of 316,812)
O'BRIEN, John
Insulator William Brookfield
 O'KEEFE, Cornelius P.
U 2,112,995 April 5, 1938 Neon Tube Support
Metal support for neon glass rams horn insulator with adjustable height to support neon tubes.
O'KEEFE, Cornelius P.
Neon 1/2 to Albert H. Forgar
 O'NEILL, James J.
U 505,123 September 19, 1893 Insulator Pin
Pin (wooden) strengthened by metal rod
O'NEILL, James J.
Pin  
U 573,101 December 15, 1896 Wall Insulator
Slack wire ring driven into mortar between bricks
O'NEILL, James J.
Slack Wire  
 OAKMAN, Samuel
U 88,066 March 23, 1869 Improved Glass Furnace
Improved glass furnace with blower to remove fumes and improve the draught
OAKMAN, Samuel
Furnace  
U Specimen known 105,834 July 26, 1870 Improvement in Telegraph Insulators
Pin hole tapered with grooves to receive wedged, split-end pin
OAKMAN, Samuel
Pin  
U 117,320 July 25, 1871 Improvement in Chimneys
Improvement in chimney for glass furnace
OAKMAN, Samuel
Furnace  
U Specimen known 132,214 October 15, 1872 Improvement in Formers for Segmentally Screw Threaded Insulators
Plunger to form segmented threads
OAKMAN, Samuel
Plunger  
U Specimen known 132,215 October 15, 1872 Improvement in Formers for Segmentally Screw Threaded Insulators
Plunger to form segmented threads
OAKMAN, Samuel
Plunger  
U Specimen known 187,725 February 27, 1877 Improvement in Molding Glass
Improved method to mold necks on bottles (patent date reported on glass chard)
OAKMAN, Samuel
Mold  
U 208,487 October 1, 1878 Bottle Stopper
Bottle stopper
OAKMAN, Samuel
Bottle  
U Specimen known 247,100 September 13, 1881 Process of Forming Screws in Articles of Glass
Threading process inserts hollow blown glass thimble for threads
OAKMAN, Samuel
Thread Edward C. Sherburne
U 262,241 August 8, 1882 Weaving Machine for Covering Bottles
Machine to weave a covering for bottles
OAKMAN, Samuel
Bottle Luther A. Wright
U 287,049 October 23, 1883 Covering for Bottles
Covering for bottles
OAKMAN, Samuel
Bottle  
U Specimen known 288,360 November 13, 1883 Telegraph Insulator
Double petticoat design for style similar to CD 162. An annual recess to receive paraffin to form a broad band of surface protected from moisture
OAKMAN, Samuel
Insulator The American Insulator Co.
U 292,942 February 5, 1884 Basket Splint Machine
Machine to make wood splints to be woven as a covering for bottles
OAKMAN, Samuel
Bottle  
D Specimen known 14,674 February 12, 1884 Design for an Insulator
CD 145 beehive design
OAKMAN, Samuel
Pin-type  
U 304,021 August 26, 1884 Basket Splint Machine
Machine to make wood splints to be woven as a covering for bottles
OAKMAN, Samuel
Bottle  
U Specimen known 304,748 September 9, 1884 Mold for Making Glass Insulators
Threads formed with hinged thread forming tool
OAKMAN, Samuel
Thread  
U Specimen known 430,296 June 17, 1890 Insulator
CD 257, CD 259, CD 263, dove-tail ears on crown - helmet. Patent is also found on New Lexington porcelain insulators M-3890 and M-4325A.
OAKMAN, Samuel
Insulator  
U Specimen known 434,879 August 19, 1890 Electric Insulator
CD 144.5 and CD 260, ridges around inner surface of skirt
OAKMAN, Samuel
Insulator  
U Specimen known 451,950 May 12, 1891 Electric Insulator
CD 262, CD 263, CD 264, eyes for tie wire
OAKMAN, Samuel
Insulator  
U 486,182 November 15, 1892 Glass Mold
Glass mold to form threads on the bottle.
OAKMAN, Samuel
Bottle  
U 547,936 October 15, 1895 Bottle Stopper
Bottle stopper
OAKMAN, Samuel
Bottle  
U 561,912 June 9, 1896 Packing Case for Bottles
Packing case to protect bottles for shipment
OAKMAN, Samuel
Bottle  
U 693,056 February 11, 1902 Preserve Jar
Jar made of pottery or glass to store butter or preserves
OAKMAN, Samuel
Bottle Angeline C. Oakman
U 775,986 November 29, 1904 Insulator
miscellaneous with flared skirt to hold paraffin
OAKMAN, Samuel
Miscellaneous Luther A. Wright
 OGAWA, Yutaka
U 3,658,583 April 25, 1972 Method for Producing Semi-Conducting Glaze Compositions for Electric Insulators
RFI semi-conductive glaze formulas
OGAWA, Yutaka
RFI NGK Insulators, Ltd.
 OHL, Percy C.
U 280,947 July 10, 1883 Insulator for Electrical Conductors
Cylindrical insulator suspended from wire to hold bar separates several wires
OHL, Percy C.
Cylinder  
 OLIVER, James B.
U 566,468 August 25, 1896 Insulator Support
Pin with flange contacting inner petticoat for support
OLIVER, James B.
Pin The Oliver Iron & Steel Co.
 OLIVIER, Leon J.
U 2,302,883 November 24, 1942 Method of Stringing and Sagging Wires and Apparatus for Use Therein
Bracket for wireholders or rack spools that allow the spool insulator to swivel out away from the bracket for easily working on the line wire and insulator (see 2,519,694)
OLIVIER, Leon J.
Bracket  
U 2,519,694 August 22, 1950 Insulator Supporting Bracket
Bracket for wireholders or rack spools that allow the spool insulator to swivel out away from the bracket for easily working on the line wire and insulator (see 2,302,883)
OLIVIER, Leon J.
Bracket  
 OLSEN, Andreas
U 700,977 May 27, 1902 Support for Pianos
Glass caster cup for pianos
OLSEN, Andreas
Piano  
 OLSEN, Sigward
U 1,049,594 January 7, 1913 Press for Molding Insulators or Similar Articles
Press for making glass insulators
OLSEN, Sigward
Press Brookfield Glass Co.
 OMLEY, Herbert A.
U 2,513,958 July 4, 1950 Electric Insulating Bushing and Glass Therefore
Glass capacitor bushing and improved seal with metal parts
OMLEY, Herbert A.
Bushing General Electric Co.
 OPPELT, William
U 1,167,208 January 4, 1916 Insulator
Self-tying screw top
OPPELT, William
Self-tying Screw Top 1/3 to Harry Gamber
 ORBECK, Tor
U 4,749,824 June 7, 1988 High Voltage Insulators
Polymer suspension made of silicon elastomer
ORBECK, Tor
Polymer Dow Corning Corp.
 ORCUTT, William A.
U 2,284 October 9, 1841 Improvement in the Mode of Attaching the Receiving and Discharge Points of Lightning Conductors
Lightning rod connectors cast on the ends
ORCUTT, William A.
Lightning Rod Coupling  
 OSBORN, Alexander F.
U Specimen known 1,187,378 June 13, 1916 Sliding Shoe for Furniture
Glass slider for end of furniture leg
OSBORN, Alexander F.
Miscellaneous Hard Manufacturing Co.
 OSBORNE, David H.
U 1,234,205 July 24, 1917 Strain Insulator
Suspension using metal jaws inside to secure pin instead of using cement
OSBORNE, David H.
Suspension Locke Insulator Mfg. Co.
U 1,650,034 November 22, 1927 Insulator
Suspension with slotted metal cap for pin linkage
OSBORNE, David H.
Suspension Locke Insulator Corp.
U 1,712,900 May 14, 1929 Method of Making Forged Insulator Caps
Method to manufacture steel cap for suspension disks
OSBORNE, David H.
Manufacturing Locke Insulator Corp.
U 1,732,339 October 22, 1929 Apparatus for Finishing Insulator Shells
Machine to form the opening in the bottom of a top shell and form grooves in the sides of the opening to aid in cement adhesion between the top shell and the second shell.
OSBORNE, David H.
Manufacturing Electric Service Supplies Co.
U 1,819,380 August 18, 1931 Insulator Connection
Suspension insulator cap and pin that can be locked in securely
OSBORNE, David H.
Suspension Locke Insulator Corp.
U 2,564,340 August 14, 1951 Clamp for Electrical Conductors
Metal clamp to secure the conductor to the bottom of the string of suspension insulators
OSBORNE, David H.
Suspension Porcelain Insulator Co.
 OSBORNE, David Henry
U 1,758,462 May 13, 1930 Insulator
Multipart cementing technique using Portland cement with a resilient alumina cement followed by a high humidity curing process
OSBORNE, David Henry
Multipart Electric Service Supplies Co.
U 1,776,795 September 30, 1930 Coupling for Wires and Cables
Metal cap for suspension insulator with cotter pin to prevent the pin from slipping out of the cap.
OSBORNE, David Henry
Suspension Electric Service Supplies Co.
U 1,816,023 July 28, 1931 Method of Manufacturing Insulators
Method of assembling multipart insulators with wet cement and maintaining an ambient humidity and simulataneously cooling down.
OSBORNE, David Henry
Manufacturing Electric Service Supplies Co.
 OSBORNE, John W.
U 757,765 April 19, 1904 Insulator
Cleat - self-tying
OSBORNE, John W.
Cleat  
 OSYOR, David N.
U Specimen known 526,498 September 25, 1894 Conductor Support and Insulator
Jeffrey Mine insulator (CD 185)
OSYOR, David N.
Mine Joseph A. Jeffrey
 OTIS, George W.
U Specimen known 8,316 August 26, 1851 Improvement in Insulators for Lightning Rods
Lightning rod insulator (attachment for conductors)
OTIS, George W.
Lightning Rod Insulator  
U 80,205 July 21, 1868 Improvement in Lightning Rods
Lightning rod composed of strands of triangular shaped wire twised into rope and ends of the strands bent out to make multiple points
OTIS, George W.
Lightning Rod  
 OTIS, Nathaniel
U 92,638 July 13, 1869 Improvement in Lightning Rods
Hollow lightning rod and point rolled from a long flat metal strip
OTIS, Nathaniel
Lightning Rod Point  
 OTTINGER, Edwin C.
U 873,456 December 10, 1907 Wire-Carrying Cross Arm and Insulator Therefor
Odd system using a split crossarm, split insulators fitted into notches in crossarm where top half of crossarm holds the insulators in place
OTTINGER, Edwin C.
Miscellaneous Jennie E. Ottinger, Walter S. Ottinger, Sr., Samuel H. Bair
 OVERMYER, Charles G.
U Specimen known 1,487,355 March 18, 1924 Drawer Knob
Glass drawer knob with screw threads for screwing into the drawer
OVERMYER, Charles G.
Drawer Knob  
 OWEN, Edward Glen
U 1,133,176 March 23, 1915 Lightning Rod Coupling
Lightning rod coupling made of sheet metal and bent over and attached with slipover fitting
OWEN, Edward Glen
Lightning Rod Coupling  
 OWENS, James B.
ALEXANDER, David E.
U 3,229,031 January 11, 1966 Selective Stacking for Pedestal Post Insulators
Method of connecting similar pedestal post insulators to obtain desired insulation levels
OWENS, James B.
ALEXANDER, David E.
Pedestal Post I-T-E Circuit Breaker Co.
 PACKARD, William D.
U 789,295 May 9, 1905 Electrical Cut-Out
Porcelain knife switch or cutout.
PACKARD, William D.
Cutout  
 PADDEN, Edward F.
U 883,227 March 31, 1908 Insulator
Odd cylindrical insulator with slot of top to hold line wire and threaded exterior to screw into a hold bored in the crossarm and a set screw on top to secure the line wire
PADDEN, Edward F.
Miscellaneous  
 PAINE, Francis B. H.
U 889,803 June 2, 1908 Support for Electrical Conductors
Impractical arrangement using a secondary insulator to support broken conductor above to prevent the line from dropping to the ground. It uses M-3890 insulators.
PAINE, Francis B. H.
Miscellaneous Niagara, Lockport and Ontario Power Co.
 PAISTE, Harry T.
U 483,862 October 4, 1892 Electric Switch
Porcelain electric switch
PAISTE, Harry T.
Switch  
 PALMER, Charles H.
FENTON, Curtis
U 686,755 November 19, 1901 Machine for Making Insulating Tubes
Automatic wall tube making machine. Likely assigned to the Akron Smoking Pipe Co.
PALMER, Charles H.
FENTON, Curtis
Tube  
 PARENT, Rufus A.
U 1,212,547 January 16, 1917 Automatic Insulator
Clamp type
PARENT, Rufus A.
Clamp Type  
 PARKER, Edward Henry
U 1,004,681 October 3, 1911 Lightning Rod Cable
Light weight, flexible conductor cable made of twisted and braided wires
PARKER, Edward Henry
Lightning Rod  
 PARKER, William M.
U 1,429,369 September 19, 1922 Attaching Device
Knob
PARKER, William M.
Knob J. H. Parker & Son, Inc.
 PARKS, Albert F.
U 689,218 December 17, 1901 Electrical Insulator
Pin sleeve (see design 34,211 for U-966)
PARKS, Albert F.
Insulator Lewis Stillwell
 PARRA, Henri
U 1,054,138 February 25, 1913 Means for Attaching Wires and Cables to Insulators
Clamping wire device to eliminate tie wire (French gingerbread man)
PARRA, Henri
Clamp Type Societe H. Parra Et. Cie.
U 1,235,592 August 7, 1917 Device for Attaching Conductors to Insulators
Tie wire preformed in such a way to make attachment easier
PARRA, Henri
Tie Wire Soc. H. Parra & Cie.
 PASS, James
SEYMOUR, Albert P.
U Specimen known 476,813 June 14, 1892 Porcelain Insulator
U-141, pin type insulator with cemented metal thimble. Patent was owned by Pass & Seymour.
PASS, James
SEYMOUR, Albert P.
Insulator  
U 481,624 August 30, 1892 Ceiling Rosette Cut-Out
Ceiling rosette Patent was owned by Pass & Seymour.
PASS, James
SEYMOUR, Albert P.
Rosette  
 PASS, Richard H.
U 2,479,861 August 23, 1949 Land Mine
Land Mine made of glass or ceramic
PASS, Richard H.
OU Onondaga Pottery Co.
 PATEE, Theodorus H.
U 202,578 April 16, 1878 Improvement in Machines for Making Lightning Rods
Portable machine to make lightning rods mounted in a wagon
PATEE, Theodorus H.
Lightning Rod Machine  
U 257,889 May 16, 1882 Lightning Rod Coupling
Coupling for spiraling lightning rods that is strong and can be screwed together
PATEE, Theodorus H.
Lightning Rod Coupling  
U 257,890 May 16, 1882 Lightning Rod Coupling
Coupling for spiraling lightning rods that is strong and can be screwed together
PATEE, Theodorus H.
Lightning Rod Coupling  
U 257,891 May 16, 1882 Lightning Rod Coupling
Coupling for spiraling lightning rods that is strong and can be screwed together
PATEE, Theodorus H.
Lightning Rod Coupling  
 PATEE, Theodorus H.
RIDGE, Thomas D.
U 271,733 February 6, 1883 Tripod Standard for Lightning Rods
Tripod stand for lightning rod with brackets to hold the rod
PATEE, Theodorus H.
RIDGE, Thomas D.
Lightning Rod Theodorus H. Patee
 PATEE, Theodorus H.
U 282,562 August 7, 1883 Lightning Rod
Coupling for spiraling lightning rods that can be crimped over the ends of the rod to fit securely with the ribs of the rod
PATEE, Theodorus H.
Lightning Rod Coupling  
U 297,290 April 22, 1884 Coupling for Lightning Rods
Coupling for spiraling lightning rods such that each end of the rod is screwed into the other
PATEE, Theodorus H.
Lightning Rod Coupling  
U 297,291 April 22, 1884 Portable Lightning Rod Machine
Portable machine to make lightning rods
PATEE, Theodorus H.
Lightning Rod Machine  
 PATEE, Theodorus H.
LAWSHE, Thomas D.
U 359,940 March 22, 1887 Lightning Rod Standard or Brace
Tripod stand for lightning rod with brackets to hold the rod
PATEE, Theodorus H.
LAWSHE, Thomas D.
Lightning Rod  
 PATTERSON, Jacob M.
U 29,398 July 31, 1860 Improved Construction of Lightning Rods
Combined lightning rod and water gutter
PATTERSON, Jacob M.
Lightning Rod  
 PATTERSON, James M.
U 541,332 June 18, 1895 Insulator
Miscellaneous 2-part insulator for barbed wire fence
PATTERSON, James M.
Miscellaneous  
 PATTERSON, William R.
U 279,274 June 12, 1883 Binding Post
Knob with grooves to wrap line wire around
PATTERSON, William R.
Knob Western Electric Co.
 PATTERSON, William W.
U 193,991 August 7, 1877 Improvement in Lightning Rods
Lightning rod tip formed of two intersecting circles that are fited with points and a ball suspended in the center
PATTERSON, William W.
Lightning Rod Point  
 PAWOLOWSKI, Jacob
U 503,384 August 15, 1893 Cleat for Electric Wires
Cleat - 2 piece
PAWOLOWSKI, Jacob
Cleat  
 PEARSON, Edward
KITSON, John
U 330,050 November 10, 1885 Furnace for Melting Glass, &c.
A glass-melting furnace with a rectangular tank and bottom composed of beveled stone. Patent was used by the Cadiz Glass Co.
PEARSON, Edward
KITSON, John
Glass Furnace  
 PEASE, Jacob
TESTER, Abraham
U 179,340 June 27, 1876 Improvement in Glass Bottle Molds
Two-part mold for making glass bottles. Jacob Pease later assigned three patents to Brookfield. (see patents 416,703; 419,875; 477,447)
PEASE, Jacob
TESTER, Abraham
Bottle Mold  
 PEASE, Jacob
U 416,703 December 3, 1889 Glass Furnace
Glass furnace
PEASE, Jacob
Furnace 1/2 to William Brookfield
U 419,875 January 21, 1890 Screw Press for Insulators
Press for making insulators
PEASE, Jacob
Press William Brookfield
U 477,447 June 21, 1892 Apparatus for Finishing the Edges of Glass Vessels
Apparatus for finishing the edges of glass vessels
PEASE, Jacob
Apparatus 1/2 to William Brookfield
 PECK, John M.
U 1,251,097 December 25, 1917 Strain Insulator
Suspension using metal rings to secure pin and cap
PECK, John M.
Suspension Locke Insulator Mfg. Co.
 PECK, John M.
BENNETT, Cornelius Van Dyke
RYAN, James W.
U 1,558,498 October 27, 1925 Method of Making Insulators
Multipart, cementing of sections (see Pinco catalog page 3)
PECK, John M.
BENNETT, Cornelius Van Dyke
RYAN, James W.
Multipart The Porcelain Insulator Corp.
 PECK, John M.
U 1,558,499 October 27, 1925 Insulator Construction
Multipart cementing of sections using resilient cement and non-resilient cement
PECK, John M.
Multipart The Porcelain Insulator Corp.
U 1,645,447 October 11, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble
PECK, John M.
Suspension The Porcelain Insulator Corp.
U 1,649,853 November 22, 1927 Sectional Insulator
Multipart design with nested parts forming the cement joints
PECK, John M.
Multipart The Porcelain Insulator Corp.
U 1,653,117 December 20, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble
PECK, John M.
Suspension The Porcelain Insulator Corp.
 PECK, Lee H.
U 2,234,604 March 11, 1941 Molding Apparatuse
Automatic press for molding nail knobs
PECK, Lee H.
Press Porcelain Products, Inc.
 PEEK, JR., Frank W.
U 1,449,694 March 27, 1923 Protective Device
Protective device to prevent arcing
PEEK, JR., Frank W.
Miscellaneous General Electric Co.
 PEIRCE, Ralph S.
U 710,297 September 30, 1902 Insulator
Pin with split wooden cob around curved metal bracket
PEIRCE, Ralph S.
Pin  
 PEIRCE, JR., Charles L.
U 856,488 June 11, 1907 Insulator
Pin (metal) using spring for threads
PEIRCE, JR., Charles L.
Pin Peirce Specialty Co.
U 856,801 June 11, 1907 Insulator
Pin (metal) using spring for threads
PEIRCE, JR., Charles L.
Pin Peirce Specialty Co.
U 883,823 April 7, 1908 Insulator Support
Pin with coiled spring for threads
PEIRCE, JR., Charles L.
Pin Peirce Specialty Co.
U 1,006,268 October 17, 1911 Insulator Bracket
Bracket (various styles) using spring for threads (see 856,488 and 856,801)
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,007,138 October 31, 1911 Insulator Bracket
Bracket (various styles) using spring for threads (see 856,488 and 856,801)
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,149,282 August 10, 1915 Insulator Supporting Fixture
Bracket (various styles) made by bending pipe
PEIRCE, JR., Charles L.
Bracket  
U 1,152,211 August 31, 1915 Secondary Rack
Secondary rack built away from the pole.
PEIRCE, JR., Charles L.
Secondary Rack  
U 1,157,036 October 19, 1915 Insulator Supporting Fixture
Bracket for holding spool insulator vertically and supported with a rod
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,157,037 October 19, 1915 Insulator Supporting Structure
Bracket stamped from sheet metal and curved upward with spring for threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,158,149 October 26, 1915 Insulator Support
Pin, metal with spring for threads (improvement on 856,488)
PEIRCE, JR., Charles L.
Pin  
U 1,166,928 January 4, 1916 Insulator Supporting Bracket
Bracket mounted on side of pole for one insulator
PEIRCE, JR., Charles L.
Bracket  
U 1,174,607 March 7, 1916 Insulator Supporting Pin
Pin, metal threaded to receive metal bushing cemented in insulator
PEIRCE, JR., Charles L.
Pin  
U 1,175,077 March 14, 1916 Sheet Metal Pole Arm
Crossarm made of sheet metal.
PEIRCE, JR., Charles L.
Crossarm  
U 1,175,078 March 14, 1916 Insulator Supporting Fixture
Bracket, metal pipe to support three insulators at top of pole
PEIRCE, JR., Charles L.
Bracket  
U 1,193,602 August 8, 1916 Insulator Supporting Fixture
Bracket, composed of sheet metal parts easily assembled
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,195,263 August 22, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,196,272 August 29, 1916 Insulator Pin
Pin, metal with sheet metal support cone and threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,196,273 August 29, 1916 Cross Arm Saddle
Saddle for pin that fits on top of crossarm
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,197,659 September 12, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,197,660 September 12, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,202,418 October 24, 1916 Insulator Support
Pin, metal with bolting bracket and threaded for cementing type thimble
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,202,419 October 24, 1916 Insulator Supporting Pin
Pin, metal with bolting bracket and spring for threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,202,885 October 31, 1916 Insulator Pin
Pin, metal with bolting bracket and spring for threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,207,321 December 5, 1916 Insulator Support
Pin, metal to fit loose in sheet metal thimble
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,210,685 January 2, 1917 Insulator Support
Bracket, sheet metal U-shaped with attached threaded wood thimble
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,210,686 January 2, 1917 Insulator Support
Bracket, sheet metal U-shaped with yielding split threaded thimble
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,210,687 January 2, 1917 Insulator Suspension Bracket
Bracket, sheet metal U-shaped for long spans attached to a cable
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,212,394 January 16, 1917 Insulator Support
Bracket, sheet metal U-shaped with spring clip to secure insulator
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,212,673 January 16, 1917 Insulator Supporting Bracket
Bracket, sheet metal U-shaped to fit over crossarm and threads made of a spring to secure insulator
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,219,862 March 20, 1917 Separable Insulator Thimble Structure
Thimble designed to be removable with external & internal threads
PEIRCE, JR., Charles L.
Thimble Hubbard & Co.
U 1,479,155 January 1, 1924 Insulator Support or Bracket
Bracket for wireholder knobs
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,591,883 July 6, 1926 Insulator Pin
Steel pin with lag screw and spring for threads
PEIRCE, JR., Charles L.
Pin  
U 1,609,124 November 30, 1926 Insulator Support
Insulator pin and support bracket made of pressed metal or steel
PEIRCE, JR., Charles L.
Pin  
U 1,709,805 April 16, 1929 Method of Making Insulator Supports
Secondary rack stamped out of one piece of sheet metal. (see patent 1,917,322)
PEIRCE, JR., Charles L.
Bracket/secondary Rack  
U 1,779,489 October 28, 1930 Method of Making Secondary Racks
Method of making secondary rack brackets (see 1,883,818)
PEIRCE, JR., Charles L.
Manufacturing 1/2 to Hubbard & Co.
U 1,811,211 June 23, 1931 Insulator Rack
Bracket for wireholder rack spools
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,883,818 October 18, 1932 Secondary Rack
Bracket for rack spools with a plurality of spools for mounting on a building (see 1,779,489)
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,917,322 July 11, 1933 Insulator Support
Secondary rack stamped out of one piece of sheet metal. (see patent 1,709,805)
PEIRCE, JR., Charles L.
Bracket/secondary Rack 1/2 to Hubbard and Co.
U 1,960,681 May 29, 1934 Insulating Support Pin
Steel pin with malleable thread thimble with limited contact with the pin to aid in cushioning insulator
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
 PELOUBET, Esten
U 554,723 February 18, 1896 Insulator
Clamp type
PELOUBET, Esten
Clamp Type  
 PENNIE, Henry
U 359,812 March 22, 1887 Insulator for Supporting and Holding Electric Wires
Cleat type for holding house wiring
PENNIE, Henry
Cleat 1/2 to Louis Schleip
 PENNYCUICK, James G.
U Specimen known 324,157 August 11, 1885 Method of Forming Screw Threads on Glass
Threads formed in glass (plunger remains in glass during annealing)
PENNYCUICK, James G.
Thread  
 PEREYRA, Eugene S.
U 1,014,720 January 16, 1912 Wiring Block
Wiring block for main circuit wires that provides for connection for branch circuits
PEREYRA, Eugene S.
Wiring Block  
 PERLES, Maurice
U 2,317,799 April 27, 1943 Line Insulator
Insulator composed of a metallic hollow shell coated with ceramic material
PERLES, Maurice
Insulator Mycalex Corp. of America
 PERLICK, Robert
U 1,307,878 June 24, 1919 Reservoir For Oil Stoves
Kerosene jar
PERLICK, Robert
HU  
 PERRINE, Frederic A. C.
U 932,570 August 31, 1909 Supporting Pin for Insulators
Pin, metal mounted to side of pole
PERRINE, Frederic A. C.
Pin  
 PERRINS, George
U 2,576,723 November 27, 1951 Electric Insulator Having Potential Drop Controlling Means
RFI design using two conductive coatings of different temperature expansion
PERRINS, George
RFI Bullers Limited
 PETERS, Wilhelm
U 2,270,964 January 27, 1942 Insulator for Antenna Span or Guy Ropes
Compression antenna insulator for very heavy loads (see 2,297,430)
PETERS, Wilhelm
Strain Telefunken Geselleschaft fur Drahtlose Telegraphie m. b. H.
U Specimen known 2,297,430 September 29, 1942 Antenna Insulator
Compression antenna insulator for very heavy loads (see 2,270,964)
PETERS, Wilhelm
Antenna  
 PETERSON, Cyrus A.
U 557,600 April 7, 1896 Insulator
Pin with spring coil
PETERSON, Cyrus A.
Pin  
 PETERY, Evan E. P.
U 809,743 January 9, 1906 Crossarm for Carrying High-Tension Wires
Crossarm and insulators made of glass or other insulating material
PETERY, Evan E. P.
Crossarm 1/2 to Samuel Bowsher
 PETTERSEN, Kristian
U 1,059,903 April 22, 1913 Insulator with Fuse
Insulator with fuse in the bottom
PETTERSEN, Kristian
Fuse Holder  
 PETTIT, Ernest E.
U 4,047,279 September 13, 1977 Upgrading Current Distribution Insulators
Miscellaneous insulator with male screw to receive existing insulator for upgrading
PETTIT, Ernest E.
Miscellaneous W. Leon Sell/Ernest E. Pettit/R. Don Sell
 PFAUTZ, Christian E.
U 1,761,046 June 3, 1930 Transposition Device
Transposition ring for radio line
PFAUTZ, Christian E.
Transposition RCA
 PHARO, Harry A.
SCHAAKE, William
U Specimen known 1,249,820 December 11, 1917 Insulator
Composition insulator with side cable clamp
PHARO, Harry A.
SCHAAKE, William
Composition Westinghouse Electric & Mfg. Co.
 PHELPS, James C.
U 986,213 March 7, 1911 Insulating Cap
miscellaneous
PHELPS, James C.
Miscellaneous  
 PHELPS, Myron D.
U 122,055 December 19, 1871 Improvement in Lightning Rods
Lightning rod made of a solid copper core covered with twisted iron wires
PHELPS, Myron D.
Lightning Rod  
U 159,961 February 16, 1875 Improvement in Lightning Rods
Improvement on patent 122,055 by using smaller wires in greater number to improve flexibility
PHELPS, Myron D.
Lightning Rod  
 PHILLIPS, Dorothea S.
U 2,514,141 July 4, 1950 Polyester Resin Adhesive Compositions
Cement composed of polyester resin and sand for attaching metal parts to suspension and other insulators
PHILLIPS, Dorothea S.
Cement American Cyanamid Co.
 PIDGEON, George S.
U 161,058 March 23, 1875 Improvement in Insulating Blocks for Telegraph Lines
Slotted block to hold several wires
PIDGEON, George S.
Slotted  
 PIERCE, Alfred L.
U Specimen known 971,785 October 4, 1910 Tree Insulator
U-187
PIERCE, Alfred L.
Insulator 1/2 to Spalding K. Long
 PIERCE, Frank C.
U 1,213,002 January 16, 1917 Insulator
Mine insulator
PIERCE, Frank C.
Mine  
 PIERCE, Henry T.
MCPHEE, Angus D.
U 1,375,974 April 26, 1921 Insulator Connector
Links for Hewlett suspension disks
PIERCE, Henry T.
MCPHEE, Angus D.
Suspension General Electric Co.
 PIERCE, JR., Charles L.
D Specimen known 53,522 July 8, 1919 Design for an Insulator
Strain
PIERCE, JR., Charles L.
Strain 1/2 to Hubbard & Co.
 PIKE, William G.
U 70,741 November 12, 1867 Improvement in Lightning Conductors
Lightning rod with braided copper wire as connecting joints that can be easily turned as desired
PIKE, William G.
Lightning Rod  
 PITTMAN, Ralph R.
U 2,022,386 November 26, 1935 Conductor Support
Little bracket with insulator crown to hold low voltage wire attached to a wood pole (see 2,198,839)
PITTMAN, Ralph R.
Miscellaneous  
U 2,082,507 June 1, 1937 Pole for Pin
Pole top pin with hook to support wire during stringing
PITTMAN, Ralph R.
Pin  
 PITTMAN, Ralph R.
WALSH, Carroll H.
U 2,139,332 December 6, 1938 Wire Holder
Wireholder with lag screw
PITTMAN, Ralph R.
WALSH, Carroll H.
Wireholder  
U 2,139,333 December 6, 1938 Sealed Screw Wire Holder
Wireholder with lag screw
PITTMAN, Ralph R.
WALSH, Carroll H.
Wireholder  
U 2,198,839 April 30, 1940 Conductor Support
Little bracket with insulator crown to hold low voltage wire attached to a wood pole (see 2,022,386)
PITTMAN, Ralph R.
WALSH, Carroll H.
Miscellaneous  
 PITTMAN, Ralph R.
U 2,343,576 March 7, 1944 Support for Electric Conductors
Knob
PITTMAN, Ralph R.
Knob  
 PLATT, Thomas M.
U 1,059,629 April 22, 1913 Insulator
Self-tying twist lock type
PLATT, Thomas M.
Self-tying Twist  
 PLIMPTON, Bentley A.
U 1,246,461 November 13, 1917 Strain Insulator
Suspension metal cap design
PLIMPTON, Bentley A.
Suspension  
U 1,266,711 May 21, 1918 Strain Insulator
Suspension metal cap design
PLIMPTON, Bentley A.
Suspension  
U 1,328,687 January 20, 1920 Insulator Support
Thimble of metal for multipart insulator
PLIMPTON, Bentley A.
Thimble  
U 1,362,038 December 14, 1920 Support for Electric Conductors
Metal strap type support bracket for a pole top to support an insulator.
PLIMPTON, Bentley A.
Bracket  
U Specimen known 1,478,912 December 25, 1923 Insulator
Multipart with cement around lower edge of shell
PLIMPTON, Bentley A.
Multipart 1/2 to The Porcelain Insulator Co.
U 1,506,863 September 2, 1924 Suspension Insulator
Suspension with metal cap on top and underneath
PLIMPTON, Bentley A.
Suspension  
U 1,696,861 December 25, 1928 Insulator Supporting Pin
Hollow steel pin, cast iron base resting on crossarm, and bolt to attach to crossarm
PLIMPTON, Bentley A.
Pin Locke Insulator Corp.
U 1,714,814 May 28, 1929 Pole Bracket
Steel bracket for pole top that supports insulator pin on side of pole
PLIMPTON, Bentley A.
Bracket Locke Insulator Corp.
U 1,793,191 February 17, 1931 Insulator Pin
Hollow steel pin that can be rotate to align conductor and secured with a keeper pin
PLIMPTON, Bentley A.
Pin Locke Insulator Corp.
U 1,832,240 November 17, 1931 Insulator Pin and Method of Making Same
Hollow forged steel pin with base support, bolt, and means to keep out water
PLIMPTON, Bentley A.
Pin Locke Insulator Corp.
U 1,865,134 June 28, 1932 Pole Top Bracket
Pole top bracket that uses the same length steel insulator pin as that used on the wooden crossarm
PLIMPTON, Bentley A.
Bracket Locke Insulator Corp.
U 1,902,310 March 21, 1933 Method of Making Insulator Caps
Method of pressing out a malleable metal cap
PLIMPTON, Bentley A.
Manufacturing Locke Insulator Corp.
 PLIMPTON, Bentley A.
HAWLEY, Kent A.
U 1,912,007 May 30, 1933 Insulator Pin
Steel pin and externally threaded steel cone support securely mounted to the crossarm
PLIMPTON, Bentley A.
HAWLEY, Kent A.
Pin Locke Insulator Corp.
 PLIMPTON, Bentley A.
U Specimen known 2,084,866 June 22, 1937 High Voltage Insulator
U-796 styles and CD 221 Hi-Top design
PLIMPTON, Bentley A.
Insulator Locke Insulator Corp.
U Specimen known 2,088,433 July 27, 1937 Fog and Dust Insulator
U-816 series
PLIMPTON, Bentley A.
Insulator Locke Insulator Corp.
 POCHE, Joseph Arthur
U 608,906 August 9, 1898 Insulation of Electric Wires
Uses glass tube sealed from the weather to allow conductor to enter a building (see reissue 11,759))
POCHE, Joseph Arthur
Wall Tube  
U 615,896 December 13, 1898 Vacuum Insulator for Electric Conductors
Wall tube sealed in vacuum and protected from weather (see 608,906)
POCHE, Joseph Arthur
Wall Tube  
R 11,759 July 11, 1899 Insulation of Electric Wires
Uses glass tube sealed from the weather to allow conductor to enter a building (see 608,906)
POCHE, Joseph Arthur
Wall Tube  
U 637,282 November 21, 1899 Electric Insulator
Tube of asbestos to lead conductor through a wall is made water tight (see 608,906) (see 615,896)
POCHE, Joseph Arthur
Insulator  
U 652,861 July 3, 1900 Overhead Wire Lightning Protector
Lightning rod with multiple points (see 637,282) (see reissue 11,759)
POCHE, Joseph Arthur
Lightning Rod Point  
 PODMORE, William
U 1,193,185 August 1, 1916 Machine for Internally Shaping Telegraph Insulators and the Like
Machine to cut out and shape the internals of an insulator
PODMORE, William
Press 1/2 to Henry Lewis Doulton
 POINAN, Francis J.
U 868,122 October 15, 1907 Electric Insulator
Multipart with glass skirt and two-piece head similar to Locke 25
POINAN, Francis J.
Multipart  
 POINDEXTER, Alfred M.
U 1,326,962 January 6, 1920 Sectional Non-Rotative Insulating Knob for Supporting Electric Wires
nail-knob with nail split in the center
POINDEXTER, Alfred M.
Knob  
 POLK, Robert H.
U Specimen known 724,329 March 31, 1903 Insulator
Self-tying nail-knob with three flanges on top for tying wire around the knob and saw-toothed bottom edge to prevent the knob from turning.
POLK, Robert H.
Knob  
 POND, Benjamin A.
U 918,905 April 20, 1909 Insulator
Clamp type with split ring and lag screw
POND, Benjamin A.
Clamp Type  
 POND, C. H.
U 69,585 October 8, 1867 Improvement in Telegraph Apparatus
Telegraph
POND, C. H.
Telegraph  
 POND, Chester H.
U Specimen known 122,961 January 23, 1872 Improvement in Telegraph Insulators
Wooden insulator coated with tar with metal cap
POND, Chester H.
Wood  
 POPE, Frank L.
U Specimen known 290,922 December 25, 1883 Insulator for Electrical Conductors
CD 110.5 & CD 110.6 spiral crown with opposing internal threads & wire clamp
POPE, Frank L.
Insulator  
 PORTER, Edward Y.
U 1,744,674 January 21, 1930 Insulator Pin
Pin that holds insulator at an angle against strain on turns in the conductor
PORTER, Edward Y.
Pin  
 PORTER, John W.
U 1,199,735 September 26, 1916 Insulator Pin
Pin, metal to prevent turning of threaded head (improvement of 1,094,852)
PORTER, John W.
Pin Electric Service Supplies Co.
 POTTER, John S.
CARTWRIGHT, David J.
U 444,317 January 6, 1891 Electric Wire Insulating Cleat
Cleat
POTTER, John S.
CARTWRIGHT, David J.
Cleat John S. Potter
 POTTER, William B.
U 678,195 July 9, 1901 Third Rail Insulator
Third rail insulator with iron mounting bracket and cap to support the rail
POTTER, William B.
Third Rail General Electric Co.
 PRATT, Elbert H.
CHRISTIE, Ralph C.
U 2,533,621 December 12, 1950 Electric Insulator
Spool type electric fence insulator with ribs and flat area for metal bracket to attach.
PRATT, Elbert H.
CHRISTIE, Ralph C.
Electric Fence  
 PRATT, James
U 45,632 December 27, 1864 Improvement in Lightning Rods
Lightning rod made up of a core of twisted wires
PRATT, James
Lightning Rod  
 PRATT, John Sedgwick
U 931,480 August 17, 1909 Wire Bender
Hand tool to quickly bend tie-wire and secure it around the insulator.
PRATT, John Sedgwick
Wire Bender/tie-wire  
U 934,352 September 14, 1909 Line Wire Connector
Tie wire clip (U.S. Army)
PRATT, John Sedgwick
Tie Wire  
 PRENZEL, Henry
U 315,660 April 14, 1885 Supporting Insulator for Telegraph Wires
Self-tying screw top (see 1,305,168)
PRENZEL, Henry
Self-tying Screw Top  
 PRESCOTT, George S.
U 303,591 August 12, 1884 Lightning Rod
Method of employing lightning rods so they are the most effective
PRESCOTT, George S.
Lightning Rod 1/2 to Edwin Prescott
 PRESTON, Othniel
U 120,457 October 31, 1871 Improvement in Lightning Conductors
Lightning rod conductor made of wires twisted together and wrapped and twisted around a metal tube (see reissue 7,063)
PRESTON, Othniel
Lightning Rod  
R 7,063 April 18, 1876 Improvement in Lightning Conductors, Rods, or Cables
Lightning rod conductor made of wires twisted together and wrapped and twisted around a metal tube (see 120,457)
PRESTON, Othniel
Lightning Rod  
 PRICE, Frank E.
MCCULLOUGH, William H.
U 796,760 August 8, 1905 Lightning Conductor
Lightning rod point with multple projections that are plated with platinum and connected to cone-shaped ground rod made of perforated copper sheet and filled with powdered charcoal and buried in a damp layer of soil
PRICE, Frank E.
MCCULLOUGH, William H.
Lightning Rod Point  
 PRICKETT, William H.
U 1,374,029 April 5, 1921 Tone Foot for Phonographs
A rubber base with glass insert to support phonograph legs
PRICKETT, William H.
Piano  
 PRIESTLEY, Charles M. E.
U Specimen known 1,039,799 October 1, 1912 Insulator Chain for High Pressure Electric Transmission Lines
Suspension chain (pork liver)
PRIESTLEY, Charles M. E.
Suspension Societe Vedovelli Priestley
 PRINCE, George W.
U 303,399 August 12, 1884 Electric Wire Insulator
Slotted block insulator to hold wire with a tie
PRINCE, George W.
Slotted  
 PRINGLE, George W.
U 840,369 January 1, 1907 Automatic Lathe
Insulator pin threading device
PRINGLE, George W.
Pin E. J. Noblett
 PROEGER, Julius
D 8,942 February 1, 1876 Design for Glass Dishes
Bird shaped glass pickle dish
PROEGER, Julius
HI Robert Hemingray
 PURKEY, Benjamin S.
U Specimen known 1,107,111 August 11, 1914 Insulator
U-186
PURKEY, Benjamin S.
Insulator  
U Specimen known 1,251,416 December 25, 1917 Insulator
U-186 (improved)
PURKEY, Benjamin S.
U-186  
 PURVES, Thomas F.
SINNOTT, John
U 898,921 September 15, 1908 Insulator
Dry-spot, English screw cap design
PURVES, Thomas F.
SINNOTT, John
Dry-spot  
 PUTNAM, Jacob D.
U 324,957 August 25, 1885 Telegraph Insulator
Insulator (glass) screwed into crossarm
PUTNAM, Jacob D.
Insulator  
 PYLE, Ralph D.
U 2,421,286 May 27, 1947 Insulator Tie for Line Conductors
Preformed hard drawn wire helix to act as line wire reinforcement and tie wire
PYLE, Ralph D.
Tie Wire Copperweld Steel Co.
 RADFORD, Cassius M.
U 452,983 May 26, 1891 Grounding Device for Lightning Rods
Grounding device for lightning rods
RADFORD, Cassius M.
Lightning Rod  
 RAGOTZKY, Philip C.
U Specimen known 1,213,011 January 16, 1917 Device for Connecting Outside Wires to Buildings
Odd cylindrical knob with off-center screw hole and external grooves for attaching wires to buildings (see reissue 14,312 on 6-5-1917) [Angle Insulator Co.]
RAGOTZKY, Philip C.
Knob  
R Specimen known 14,312 June 5, 1917 Device for Connecting Outside Wires to Buildings
Odd cylindrical knob with off-set screw hole and external grooves for attaching wires to buildings (reissue of 1,213,011) [Angle Insulator Co.]
RAGOTZKY, Philip C.
Knob  
 RAH, Joseph
U 1,819,302 August 18, 1931 Oil and Air Break Pothead Disconnect
Pothead disconnect
RAH, Joseph
Insulator G. & W. Electric Specialty Co.
 RAMGE, Dennis Lee
U 3,779,730 December 18, 1973 Control for Glass Marble, Feeding, Melting, and Fiber Forming Unit
Machine for feeding, melting, and making fibers from glass marbles.
RAMGE, Dennis Lee
Glass Marble Johns-Manville Corp.
 RANDALL, Karl C.
FARNSWORTH, Sidney W.
FORTESCUE, Charles Le Geyt
U 1,129,520 February 23, 1915 Insulating Body for Electrical Apparatus
Multipart, theory to shape insulator to conform to electrical fields (typical spelling is FORTESCUE, Charles Le G.) (see 1,259,385)
RANDALL, Karl C.
FARNSWORTH, Sidney W.
FORTESCUE, Charles Le Geyt
Multipart Westinghouse Electric & Mfg. Co.
 RANDALL, Karl C.
U 1,168,031 January 11, 1916 Suspension Type Insulator
Suspension bell-shaped insulators
RANDALL, Karl C.
Suspension Westinghouse Electric & Mfg. Co.
 RANDOLPH, Leonard M.
U 761,102 May 31, 1904 Insulator
Insulator for carrying heavy cables composed of cap over the top to surround the conductor to prevent sparking and electrical leakage
RANDOLPH, Leonard M.
Insulator  
U 908,136 December 29, 1908 Third Rail Insulator
Third rail insulator (Ohio Brass)
RANDOLPH, Leonard M.
Third Rail Essex Co.
U 922,951 May 25, 1909 Third Rail Insulator
Conical shaped third rail insulator.
RANDOLPH, Leonard M.
Third Rail Essex Co.
U 1,035,231 August 13, 1912 Insulator
Use of varnish residue to secure hold metal suspension parts to a porcelain hood or skirt
RANDOLPH, Leonard M.
Miscellaneous  
 RANKIN, Lawrence H.
U 3,116,362 December 31, 1963 Insulating Bushing Assembly with Spring Retaining Means
Porcelain bushing with a retaining spring.
RANKIN, Lawrence H.
Bushing The Hartford Faience Co.
 RANSOM, Daniel Parke
U 1,177,354 March 28, 1916 Line Insulator
Suspension interconnecting linking device
RANSOM, Daniel Parke
Suspension  
 RANSON, Joseph W.
U Specimen known 929,878 August 3, 1909 Insulator
U-183
RANSON, Joseph W.
Insulator  
 RAPPLEYE, Hannibal W.
U Specimen known 557,881 April 7, 1896 Insulator
CD 134.6 bail wire system double-groove insulator (Cosner specimen)
RAPPLEYE, Hannibal W.
Insulator  
 RATZMAN, Borah B.
U 2,304,204 December 8, 1942 Electrical Insulator
Rubber insulator for wire fence
RATZMAN, Borah B.
Rubber  
 RAUNACHER, Gustav
U 623,033 April 11, 1899 Lightning Rod Conductor
Lightning rod point in the form of a dragon with multiple points in the tail pointing up with numerous little points along the dragon's body that aids in collecting or dissipating the current
RAUNACHER, Gustav
Lightning Rod Point 1/2 to Grant Greenham
 RAWLINS, Herbert L.
FISCHER, Eugene F.
U 2,361,240 October 24, 1944 Electrical Apparatus
Fuse cut-out made with wet process porcelain.
RAWLINS, Herbert L.
FISCHER, Eugene F.
Cut-out Westinghouse Electric & Mfg. Co.
 REA, Ernest C.
U 1,513,931 November 4, 1924 Lightning Rod Point Support
Lighting rod with supporting feet for tiled roof peaks that fit over ridge tiles and under the tile edges
REA, Ernest C.
Lightning Rod  
 REA, John H. B.
U 909,935 January 19, 1909 Protected Insulator
Protective shield
REA, John H. B.
Protective Shield  
 READ, Horatio
U 115,521 May 30, 1871 Improvement in Insulators for Telegraph Wires
Threadless insulator with metal thimble cemented in pinhole
READ, Horatio
Thimble 1/2 to B. B. Hagerty
 REAGAN, Frank H.
U 1,446,067 February 20, 1923 Method of Connecting Insulator Units
Suspension, method of cementing pin
REAGAN, Frank H.
Suspension Locke Insulator Corp.
U 1,556,029 October 6, 1925 Method of Connecting Insulator Units
Suspension, card used to keep cement off top surface around cap
REAGAN, Frank H.
Suspension Locke Insulator Corp.
 REDMAYNE, Robert Norman
U 843,844 February 12, 1907 Third Rail Insulator
Third rail insulator
REDMAYNE, Robert Norman
Third Rail  
 REDMOND, Edmond
U 970,642 September 20, 1910 Lightning Conductor
Inexpensive and easily installed lightning rod system made of a conductor wire strung through a chain
REDMOND, Edmond
Lightning Rod  
 REED, Frederick F.
U Specimen known 2,266,400 December 16, 1941 Insulator
CD 216
REED, Frederick F.
Insulator  
 REESE, Rudolph R.
U 1,291,139 January 14, 1919 Insulator
Self-tying slot top with keeper nail
REESE, Rudolph R.
Self-tying Slot Top  
 REHLING, John W.
U 887,520 May 12, 1908 Insulator
Knob - self-tying
REHLING, John W.
Knob  
 REIFF, William H.
U 274,821 March 27, 1883 Electric Wire Insulator
Self-tying miscellaneous
REIFF, William H.
Self-tying Miscellaneous 1/3 to Andrew Siep, Jr.
 REIFFER, Anthony J.
MAYS, David P.
U 1,048,587 December 31, 1912 Wire Holder for Insulators
Tie wire clip
REIFFER, Anthony J.
MAYS, David P.
Tie Wire  
 REMBE, Louis F.
U 593,689 November 16, 1897 Insulator
Cleat - self-tying with spiral grooves
REMBE, Louis F.
Cleat  
 RENAUDIN, Alfred
U 1,524,407 January 27, 1925 Insulator for Suspended High Tension Electric Wires
Strain for horizontal with cupped ends with downward drip edges
RENAUDIN, Alfred
Strain  
 RENAULT, Edward
U 583,692 June 1, 1897 Insulator
Clamp type with lag screw
RENAULT, Edward
Clamp Type  
U Specimen known 664,432 December 25, 1900 Insulator
CD 207? (see 726,846)
RENAULT, Edward
Insulator  
 RESEK, Marc
U 1,456,716 May 29, 1923 Bail Attaching Means
Kerosene jar bail
RESEK, Marc
HU The Cleveland Metal Products Co.
 REUSCH, William L.
U 961,646 June 14, 1910 Insulator
Self-tying screw top with slotted top
REUSCH, William L.
Self-tying Screw Top  
 REYBURN, William S.
HUNTER, Edmund A. W.
U 90,578 May 25, 1869 Improvement in Lightning Rod Couplings
Coupling for lightning rods where the ends can be screwed together (see reissue 8,304)
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod Coupling  
 REYBURN, William S.
MARTIN, F. J.
U 94,773 September 14, 1869 Improvement in Lightning Rods
Lightning rod made of sheet metal and formed into star shape with four projections
REYBURN, William S.
MARTIN, F. J.
Lightning Rod  
U 96,268 October 26, 1869 Improvement in Lightning Rods
Improvement of 92,551 by using a sheet zinc core with sheet copper covering to make a star shaped lightning rod
REYBURN, William S.
MARTIN, F. J.
Lightning Rod  
 REYBURN, William S.
MARTIN, Frederick J.
U 163,807 May 25, 1875 Improvement in Lightning Rod Standards
Lightning rod stand with three legs
REYBURN, William S.
MARTIN, Frederick J.
Lightning Rod  
U 186,877 January 30, 1877 Improvement in Lightning Rod Couplings
Coupling made with square socket that is crimped over end of lightning rod and has threaded bolt end to screw into next section
REYBURN, William S.
MARTIN, Frederick J.
Lightning Rod Coupling  
 REYBURN, William S.
HUNTER, Edmund A. W.
R 8,304 June 25, 1878 Improvement in Couplings for Lightning Rods
Coupling for lightning rods where the ends can be screwed together (see 90,578)
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod Coupling 1/2 of Hunter's right to Byron P. Moulton
 REYNDERS, Arthur B.
U 1,159,798 November 9, 1915 Insulating Tube
Tubes (insulating) made by winding long strips of paper (machine for making)
REYNDERS, Arthur B.
Wall Tube Westinghouse Electric & Mfg. Co.
 REYNOLDS, David M.
U 183,865 October 31, 1876 Improvement in Telegraph Insulators
Slotted glass pin to hold wire and cap screwed to secure wire
REYNOLDS, David M.
Slotted James M. Brookfield
 RICE, JR, Edwin W.
U 648,057 April 24, 1900 Third Rail Insulator
Third rail insulator designed to allow insulator to rise and fall with movement of the rail.
RICE, JR, Edwin W.
Third Rail General Electric Co.
 RICHARD, Augusto
U 821,746 May 29, 1906 Insulator
Pin - method of cementing into insulator sleeve and attaching to insulator
RICHARD, Augusto
Pin Societa Ceramica Richard-Ginori
U 893,265 July 14, 1908 Insulator
Multipart insulator where parts are screwed together
RICHARD, Augusto
Multipart  
U 1,657,035 January 24, 1928 Suspension Insulator with Hood and Deformable Pivoting System Forming an Articulated Joint
Suspension cemented pin with pivot joint
RICHARD, Augusto
Suspension  
 RICHARD, Harvey A.
CONWAY, Thomas J.
U 996,365 June 27, 1911 Apparatus for Forming Hollow Glassware
Bottle blowing machine
RICHARD, Harvey A.
CONWAY, Thomas J.
Bottle  
 RICHARDS, Benjamin
U 1,048,736 December 31, 1912 Insulating Cleat
Cleat for corners
RICHARDS, Benjamin
Cleat  
 RICHARDS, Joshua M.
U 2,182,971 December 12, 1939 Skylight or Floorlight Construction
Skylight construction using glass blocks
RICHARDS, Joshua M.
OU  
 RICHARDSON, William H.
U 146,783 January 27, 1874 Improvement in Bottles
Bottle shaped like quarter circle in section
RICHARDSON, William H.
HU  
 RICHARDSON, JR., Solon O.
U 756,895 April 12, 1904 Process of Manufacturing Glass Articles
Glass working machine elimating the gatherer & shearer
RICHARDSON, JR., Solon O.
Bottle  
 RICK, Karl L.
U 1,839,594 January 5, 1932 Bracket
Bracket for poles for several rack spool wireholders (see reissue 19,473)
RICK, Karl L.
Bracket  
R 19,473 February 19, 1935 Bracket
Bracket for poles for several rack spool wireholders (see 1,839,594)
RICK, Karl L.
Bracket Joslyn Mfg. & Supply Co.
 RICKS, George L.
U 815,471 March 20, 1906 Insulator
Knob - split
RICKS, George L.
Knob  
 RIDDELL, John
U 1,022,874 April 9, 1912 Machine for Drilling Porcelain
Machine for drilling U-shaped holes in Hewlett suspension disk
RIDDELL, John
Suspension General Electric Co.
 RIDENOUR, Lertin W.
U 992,595 May 16, 1911 Insulator Line Attaching Device
Tie wire clip
RIDENOUR, Lertin W.
Tie Wire  
 RIDER, Hebert E.
U 1,620,392 March 8, 1927 Insulator
Radio strain with special pointed metal clips to minimize leakage
RIDER, Hebert E.
Radio Edward L. Hall
 RIDGERS, Frederick G.
U 2,634,313 April 7, 1953 Line Wire Transposition Bracket
Transposition bracket pressed out of a square of steel to hold four insulators
RIDGERS, Frederick G.
Transposition N. Slater Co. LTD
 RIERA, Magin
U 554,955 February 18, 1896 Insulator for Electric Wires
Clamp type (Scientific American 3-7-1896)
RIERA, Magin
Clamp Type  
 RISLER, Emil
U 664,176 December 18, 1900 Electric Insulator
Knob - self-tying via screw cap
RISLER, Emil
Knob  
 RITTER, William F.
U 934,463 September 21, 1909 Cleat for Electric Wires
Cleat for ceiling wires and fixtures
RITTER, William F.
Cleat  
 ROBBINS, Zenas C.
U 8,419 October 14, 1851 Insulator for Telegraph Wires
Hook embedded in metal shell (with guta percha) for bolting
ROBBINS, Zenas C.
Hook  
U 112,281 February 28, 1871 Improvement in Insulators for Telegraph Wires
Hook, new shape
ROBBINS, Zenas C.
Hook  
 ROBERTS, Charles W.
U 1,978,649 October 30, 1934 Bus Bar and Bushing Connection
Connector to hold bus bar inside a bushing
ROBERTS, Charles W.
Bushing Locke Insulator Corp.
 ROBERTS, Linas P.
U Specimen known 952,279 March 15, 1910 Mold in Which to Form Plastic Articles
Mold to form a slotted-top, twist-lock, self-tying glass insulator (see 707,429) (see design 35,462)
ROBERTS, Linas P.
Mold 1/3 to Hayes McGibbeny
 ROBERTS, Omer L.
U Specimen known 1,305,168 May 27, 1919 Insulator
U-124A/B, U-182A/B self-tying screw top similar to Prenzel patent 315,660
ROBERTS, Omer L.
Insulator  
 ROBERTS, Willis
U 591,104 October 5, 1897 Insulator for Electric Wires
Cleat - self-tying
ROBERTS, Willis
Cleat  
 ROBERTSON, Charles B.
ROBERTSON, John J.
U 740,314 September 29, 1903 Insulator
Self-tying slot top
ROBERTSON, Charles B.
ROBERTSON, John J.
Self-tying Slot Top  
 ROBERTSON, James
U 129,683 July 23, 1872 Improvement in Lightning Rods
Lightning rod with sheet metal coupling and sheet metal bracket for holding the rod
ROBERTSON, James
Lightning Rod  
 ROBERTSON, John
U 123,198 January 30, 1872 Improvement in Telegraphic Insulators and Brackets
Cylindrical, slotted insulator with flanges and bracket
ROBERTSON, John
Cylinder  
 ROBERTSON, John Cullen
U 1,677,294 July 17, 1928 Insulator Assembly Jig
Centering jig for assembling multipart porcelain insulators
ROBERTSON, John Cullen
Manufacturing Locke Insulator Corp.
U 1,888,571 November 22, 1932 Pin Centering Device and Cushion Retainer
Means to keep pin centered in a suspension insulator during cementing
ROBERTSON, John Cullen
Suspension Locke Insulator Corp.
U 1,944,134 January 16, 1934 Insulator Assembling Machine
Machine to press on and turn cap to secure the cement and cement in the metal pin
ROBERTSON, John Cullen
Manufacturing Locke Insulator Corp.
 ROBERTSON, Orris W.
U Specimen known 105,252 July 12, 1870 Improvement in Battery Insulators
CD 60 and CD 61. Battery insulator with mounting on table. One specimen of CD 61 is known with embossing M. T. Co.
ROBERTSON, Orris W.
Battery  
 ROBINSON, Miner
U 517,591 April 3, 1894 Insulating Tube
Wall tube with longitudinal fin ribs
ROBINSON, Miner
Wall Tube  
 ROCKWELL, Herbert O.
U 1,505,730 August 19, 1924 Insulator and Support Therefor
Wireholder with lag screw and metal bracket
ROCKWELL, Herbert O.
Wireholder Brady Electric & Mfg. Co.
 ROEHRICH, Frank N.
U 1,136,275 April 20, 1915 Press for Making Glass Insulators
Press for making glass insulators
ROEHRICH, Frank N.
Press Brookfield Glass Co.
 ROGERS, Charles
U 350,843 October 12, 1886 Machine for Manufacturing Insulator Pins for Telegraphic Purposes
Machine for turning wooden insulator pins
ROGERS, Charles
Pin  
 ROGERS, Elkanah C.
U 21,905 October 26, 1858 Improved Method of Insulating and Supporting Lightning Rods
Lightning rod with adjustable caps
ROGERS, Elkanah C.
Lightning Rod  
 ROGERS, George E.
U 176,067 April 11, 1876 Improvement in Processes for Toughening Glass
Method of annealing glass
ROGERS, George E.
Glass  
 ROGERS, James H.
U 133,595 December 3, 1872 Improvement in Insulation of Telegraph lines
Insulator suspended from sub cross-bar (CJ 9-85-14)
ROGERS, James H.
Insulator  
 ROGERS, Joseph W.
U Specimen known 1,090,234 March 17, 1914 Insulating and Supporting Mechanism
Ohio Brass third rail support insulator designed to be use on narrower ties
ROGERS, Joseph W.
Third Rail 1/2 to Nathan Shute
 ROHDE, Fritz
SCHWINNING, Max
U 1,515,755 November 18, 1924 Suspension Insulator
Suspension, special pin design
ROHDE, Fritz
SCHWINNING, Max
Suspension Nora Pfannenstiel
 ROLFE, Charles A.
U 1,494,023 May 13, 1924 Insulator Bracket
Bracket made of stamped metal to fit upright in hole in crossarm or over top of crossarm to hang down and spool insulator mounted underneath
ROLFE, Charles A.
Bracket  
 ROMANDY, Joseph
U 1,475,722 November 27, 1923 Insulator for Telephone and High Tension Conductors
Self-tying slot top and clip
ROMANDY, Joseph
Self-tying Slot Top  
 ROOT, Chapman J.
D 63,324 November 20, 1923 Design for a Bottle
Design for Bottle (J.J. Flynn)
ROOT, Chapman J.
HU  
D 74,274 January 17, 1928 Design for a Bottle
Design for a Bottle (Tehel's)
ROOT, Chapman J.
HU  
 ROSENBERG, Charles
BAILEY, Vernon T.
U 906,296 December 8, 1908 Insulator
Cleat with socket for light bulb
ROSENBERG, Charles
BAILEY, Vernon T.
Cleat  
 ROSENBLATT, Gordon
U 3,836,705 September 17, 1974 Electrical Insulator and Conducting Tar Therefore
RFI prevention using conductive tar to coat insulator and metal surfaces for cementing
ROSENBLATT, Gordon
RFI Canadian Porcelain Co.
 ROSENFELD, Mortimer C.
U 1,174,287 March 7, 1916 Insulator Support
Pin - hollow metal & bolted to crossarm for CD 257
ROSENFELD, Mortimer C.
Insulator  
U 1,258,816 March 12, 1918 Insulator Pin
Steel pin with conical support base that fits in grooved steel base that fits over the top of the crossarm
ROSENFELD, Mortimer C.
Pin  
 ROSENVOLD, Carl
U 3,118,967 January 21, 1964 Transposing Device
Unusual circular transposition insulator device
ROSENVOLD, Carl
Transposition Transadean Associates, Inc.
 ROSS, Frank A.
U 460,448 September 29, 1891 Insulator
Self-tying screw top
ROSS, Frank A.
Self-tying Screw Top  
 ROSS, Frank S.
VAN TUYL, Thomas Oliver
U 3,217,095 November 9, 1965 Cast Aluminum Insulator Cap
Suspension cap made of cast aluminum
ROSS, Frank S.
VAN TUYL, Thomas Oliver
Suspension American-International Aluminum Corp.
 ROSS, George
U 1,230,521 June 19, 1917 Bracket
Tree insulator similar to the Cutter CD 1038 except with diagonal slot to secure wire, two holes for nails and two holes for tying to tree limbs
ROSS, George
Insulator  
 ROTHENBERGER, Daniel M.
U Specimen known 545,819 September 3, 1895 Electric Insulator
CD 268, hole through crown for tie wire
ROTHENBERGER, Daniel M.
Insulator 2/3 to C. Inglis & E. Reilly
 ROUSSEAU, Necter
U Specimen known 289,449 December 4, 1883 Insulator
Transposition style but not intended for transposition (CD 199 & U-197)
ROUSSEAU, Necter
Insulator 1/2 to James W. Brennan
 ROW, George
U 109,455 November 22, 1870 Improvement in Lightning Rods
Lightning rod made from several sheets of metal strips, twisted together in a spiral, and ends connected with a metal pin
ROW, George
Lightning Rod  
 ROWE, John T.
U 622,270 April 4, 1899 Machine for Making Hollow Glassware
Glass Press that can be adapted for insulator manufacture
ROWE, John T.
Misc  
 ROWE, Norman
U 907,406 December 22, 1908 Insulator for High Tension Lines
Suspension insulator made of a thick rod of glass or porcelain with an inner rod made of hickory wood, which has a high tensile strength. There is a metal cap on each end screwed onto each end of the wooden rod and over the glass or porcelain rod.
ROWE, Norman
Suspension  
 ROWLAND, Davidge H.
U 1,780,246 November 4, 1930 Glass Insulator and Method of Making Same
Suspension glass Hewlett design with embedded/loose fitting metal brackets
ROWLAND, Davidge H.
Suspension Locke Insulator Corp.
U 1,784,392 December 9, 1930 Manufacture of Insulators
Suspension insulator with glazed sanded surfaces to improve strength of cap
ROWLAND, Davidge H.
Suspension Locke Insulator Corp.
 ROWLAND, Davidge H.
ROBERTSON, John C.
U 1,822,458 September 8, 1931 Measuring Apparatus
Device to measure the density of clay slip
ROWLAND, Davidge H.
ROBERTSON, John C.
Manufacturing Locke Insulator Corp.
 ROWLAND, Davidge H.
WETZEL, Kurt
U 1,925,058 August 29, 1933 Process for Forming Plastic Clay Masses
Wet process clay reflocculation method to eliminate pugging process
ROWLAND, Davidge H.
WETZEL, Kurt
Wet Process Locke Insulator Corp.
 ROWLAND, Davidge H.
U 1,953,025 March 27, 1934 Corona Shield
Corona shield in the form of a metal band that fits around the tie-wire groove
ROWLAND, Davidge H.
Corona Locke Insulator Corp.
U Specimen known 1,955,609 April 17, 1934 Insulator
U-856A fogbowl
ROWLAND, Davidge H.
Insulator Locke Insulator Corp.
U 1,983,569 December 11, 1934 Pedestal Switch Insulator
Pedestal insulator to support switch gear or bus bar
ROWLAND, Davidge H.
Pedestal Locke Insulator Corp.
U 2,044,332 June 16, 1936 Apparatus for Forming Ceramic Products
Manufacturing method to produce well mixed clay slip for casting insulators
ROWLAND, Davidge H.
Manufacturing Locke Insulator Corp.
U 2,059,036 October 27, 1936 Clay Testing Apparatus
Machine to measure the hardness or plasticity of clay
ROWLAND, Davidge H.
Manufacturing Locke Insulator Corp.
U Specimen known 2,157,100 May 9, 1939 Glazed Ceramic Insulator and the Like
Glaze - compression glaze
ROWLAND, Davidge H.
Glaze Locke Insulator Corp.
 ROWLAND, Davidge H.
CROSKEY, Carl D.
U 2,230,205 January 28, 1941 Process of Connecting a Metal Body to a Vitreous Ceramic Body
Metallic coating to facilitate soldering metal parts onto the insulator
ROWLAND, Davidge H.
CROSKEY, Carl D.
Miscellaneous Locke Insulator Corp.
 ROWLAND, Davidge H.
U 2,264,152 November 25, 1941 Method of Forming a Metallic Surface on Ceramic Bodies
RFI metallic coating that strongly adheres to the insulator
ROWLAND, Davidge H.
RFI Locke Insulator Corp.
U 2,357,550 September 5, 1944 Insulator
RFI coating applied before firing the insulator
ROWLAND, Davidge H.
RFI Locke Insulator Corp.
U 2,395,295 February 19, 1946 Method of Producing Insulators
Improved method of jiggering and plunging
ROWLAND, Davidge H.
Manufacturing  
U 2,437,559 March 9, 1948 Insulator and Method of Manufacturing Same
Addition of powdered aluminum to improve quality of porcelain
ROWLAND, Davidge H.
Manufacturing The Porcelain Insulator Corp.
 RUDOLF, Heinrich
U 587,273 July 27, 1897 Insulator
Self-tying slot top with perpendicular hole for retainer. Also patents England: 16,087 (1-24-1896); Germany: 86,014 (4-25-1895)
RUDOLF, Heinrich
Self-tying Slot Top  
 RUGER, Henry K.
U 367,164 July 26, 1887 Insulator
Self-tying slot top
RUGER, Henry K.
Self-tying Slot Top  
 RUGGIERI, Michael
U 2,260,917 October 28, 1941 Insulator Pin
Steel pin with flanges to fit in top and bottom of hole drilled for larger wooden pins
RUGGIERI, Michael
Pin Line Material Co.
 RUOFF, George M.
U 3,054,704 September 18, 1962 Insulator Assembly Method and Apparatus
Suspension, method of sealing cement to improve strength during curing
RUOFF, George M.
Suspension A. B. Chance Co.
 RUSSELL, Richard G.
THEISEN, Jean P.
STARK, Charles H.
U 2,972,783 February 28, 1961 Method for Fabricating Glass Block Panels
Toplite skylight glass block panels
RUSSELL, Richard G.
THEISEN, Jean P.
STARK, Charles H.
KI Kimble Glass Co.
 RUSSELL, William F.
U 1,216,170 February 13, 1917 Lightning Rod Connector
Lightning rod connector made of sheet metal and folded at various points to secure the rod to the conductor
RUSSELL, William F.
Lightning Rod Coupling  
 RUSSELL, William H.
U 128,914 July 9, 1872 Improvement in Apparatus for Burning Hydrocarbons as fuel
Glass furnace for burning gas
RUSSELL, William H.
Furnace James M. Brookfield
 RUSSELL, JR., Ralston
U 2,389,386 November 20, 1945 Glazed Ceramic
Compression glaze
RUSSELL, JR., Ralston
Glaze Westinghouse Electric Corp.
 RUTH, John Anthony
U 305,020 September 9, 1884 Insulator for Lightning Rods
Lightning rod insulator of two interlocking parts
RUTH, John Anthony
Lightning Rod Insulator  
 RUTLEDGE, William G.
U 737,027 August 25, 1903 Insulator
Self-tying slot top (see Brown No. 1 p. 128)
RUTLEDGE, William G.
Self-tying Slot Top  
 RUTZKY, Paul
U 1,016,780 February 6, 1912 Insulator
Dry-spot, screw cap design
RUTZKY, Paul
Dry-spot  
 SABY, Charles
U 4,406,918 September 27, 1983 Tempered Glass Dielectric Member for an Electrical Insulator and an Insulator Using Said Member
Glass tempering method
SABY, Charles
Glass Ceraver
 SABY, Charles
JEANNIN, Serge
PERRIER, Jean-Paul
U 4,427,844 January 24, 1984 Metal Capped Electrical Insulator and Method of Making Same
Suspension (glass) where the aluminum alloy cap is molded in place
SABY, Charles
JEANNIN, Serge
PERRIER, Jean-Paul
Suspension Ceraver
 SACKET, Frederic G.
U 258,130 May 16, 1882 Means for Protecting Oil Tanks from Lightning
Lightning rod protection system for an oil tank
SACKET, Frederic G.
Lightning Rod  
 SAFFORD, Alfred G.
U 97,318 November 30, 1869 Improvement in Telegraph Insulators
Hook and conical metal covering for insulators on top of pole
SAFFORD, Alfred G.
Hook  
 SAID, William Howard
U 2,290,073 July 14, 1942 Method of Assembling Insulators
Method of using a metal alloy to cement the cap and pin on a glass suspension disk
SAID, William Howard
Suspension Corning Glass Works
 SALISBURY, Moses B.
U Specimen known 1,734,597 November 5, 1929 Nonskidding Insulated Stool
Lineman's stool with four rubber legs that have two downward curved flanged skirts.
SALISBURY, Moses B.
Stool  
 SANDERS, John J.
U 1,015,513 January 23, 1912 Wire Tie
Complex replacement for tie wire consisting of metal U that wraps around the insulator, clamps to the line wire in the center, and clamps on each end of the U to attach to the line wire
SANDERS, John J.
Tie Wire  
 SANDFORD, JR., Joseph Addison
U 1,010,181 November 28, 1911 Electric Cable Protector
Protective shield mounted on top of the insulator to support the conductor.
SANDFORD, JR., Joseph Addison
Protective Shield The R. Thomas & Sons Co.
 SANDLIN, William C.
U 891,955 June 30, 1908 Insulator
Self-tying insulator attached to top of crossarm consisting of a plate with two knobs to wrap the line wire around
SANDLIN, William C.
Self-tying Miscellaneous 1/3 to Arthur Moulton and 1/3 to C. W. Savage
 SANDS, Horace Van
U 362,682 May 10, 1887 Loop Insulator
Suspension or strain insulator with shield
SANDS, Horace Van
Suspension  
 SANDS, Richard
U 1,384,214 July 12, 1921 Insulator
Self-tying by means of an upper and lower cylindrical block fitted into a hole and secured with a screw plug.
SANDS, Richard
Self-tying  
 SANFORD, JR., Joseph A.
U 1,093,479 April 14, 1914 Insulator
Multipart using interchangeable shells cemented to leave air pocket
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
U 1,093,480 April 14, 1914 Insulator
Multipart same as 1,093,479 with plug to block cement from air pocket
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
U 1,109,470 September 1, 1914 Post Insulator
Multipart insulator to support high tension conductors in substation
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
 SANTOMIERI, Sebastian L.
U 2,281,173 April 28, 1942 Insulator and Method of Producing Conducting Coating Thereon
RFI prevention using an inexpensive glaze coating
SANTOMIERI, Sebastian L.
RFI Victor Insulators, Inc.
 SARGENT, Howard R.
U 667,103 January 29, 1901 Insulator
Slack wire knob with metal suspension clip
SARGENT, Howard R.
Slack Wire General Electric Co.
U Specimen known 678,042 July 9, 1901 Rack Insulator
Cleat - rack type
SARGENT, Howard R.
Cleat General Electric Co.
U 769,639 September 6, 1904 Cleat for Electric Conductors
Cleat - 2-piece bolted together
SARGENT, Howard R.
Cleat General Electric Co.
U 1,014,854 January 16, 1912 Electric Cut Out
Knife type fuse holder or fuse cut-out
SARGENT, Howard R.
Fuse Holder General Electric Co.
 SAUEREISEN, Christian F.
U Specimen known 1,381,594 June 14, 1921 Strain-Insulator Sign
Combination strain insulator and sign to indicate voltage, etc. Car-Stop They were made by the American Porcelain Co.
SAUEREISEN, Christian F.
Strain  
 SAWYER, William H.
U 313,377 March 3, 1885 Clamp for Binding Wires to Insulators
Tie wire clamp (non-mechanical)
SAWYER, William H.
Tie Wire  
 SAYLOR, Charles C.
U 1,231,068 June 26, 1917 Insulator Support for Cross Arms
Bracket with insulator pins that fits around the crossarm
SAYLOR, Charles C.
Bracket  
 SCHAAKE, William
U 1,010,077 November 28, 1911 Strain Insulator
Wood strain insulator with metal caps and eyelet on one end
SCHAAKE, William
Strain Westinghouse Electric & Mfg. Co.
D Specimen known 46,451 September 22, 1914 Design for an Insulator
Strain
SCHAAKE, William
Strain Westinghouse Electric & Mfg. Co.
U 1,192,690 July 25, 1916 Insulator Supporting Structure
Pin (metal) for mounting on crossarm in combination with a threaded thimble
SCHAAKE, William
Pin Westinghouse Electric & Mfg. Co.
U 1,217,508 February 27, 1917 Insulator
Strain and suspension with special metal links for superior strength
SCHAAKE, William
Strain/suspension Westinghouse Electric & Mfg. Co.
U 1,296,587 March 4, 1919 Insulator
Clamp for crown of large insulator to resist strain of curves
SCHAAKE, William
Clamp Westinghouse Electric & Mfg. Co.
U 1,363,673 December 28, 1920 Insulator
Suspension with internal ribbed cap and ribbed pin to improve cement joint
SCHAAKE, William
Suspension Westinghouse Electric & Mfg. Co.
 SCHAFFLER, Oscar
U 1,706,987 March 26, 1929 Electric Wire Insulator
Bushing
SCHAFFLER, Oscar
Bushing  
 SCHANZMEYER, Franziskus
U 994,607 June 6, 1911 Insulator Pin Machine
Machine for making wooden insulator pins
SCHANZMEYER, Franziskus
Pin/machine  
 SCHARFHAUSEN, William
U 882,424 March 17, 1908 Insulator Pin
Pin using nail to prevent it from turning
SCHARFHAUSEN, William
Pin Payette Insulator Pin Co.
 SCHAUB, Ferdinand
U Specimen known 919,386 April 27, 1909 Insulator
Nail knob made by Cook Pottery Co. known as the ""Wedge"" for holding two wires (see article 7273)
SCHAUB, Ferdinand
Knob  
U 1,049,405 January 7, 1913 Insulator
Knob
SCHAUB, Ferdinand
Knob  
U 1,056,711 March 18, 1913 Crossover Insulator for Electrical Conductors
Crossover
SCHAUB, Ferdinand
Crossover  
U 1,178,539 April 11, 1916 Insulator
Cleat
SCHAUB, Ferdinand
Cleat  
U 1,474,736 November 20, 1923 Insulator
Knob
SCHAUB, Ferdinand
Knob  
 SCHAUER, Florian
U 328,071 October 13, 1885 Grain Stack Protector
Lightning protection for grain stacks using a portable system
SCHAUER, Florian
Lightning Rod  
 SCHAUERMANN, Edward
U 1,221,225 April 3, 1917 Floor Protecting Attachment for Furniture
Cup of wood or rubber to hold caster wheel and sheet metal insert to secure caster from movement
SCHAUERMANN, Edward
Piano The Hold Fast Caster Cup Co.
 SCHEIBLE, Albert
U 985,707 February 28, 1911 Insulator Support
Pin of bent metal with flat clips to screw in threads in insulator
SCHEIBLE, Albert
Pin  
U 1,034,518 August 6, 1912 Hanger for Electrical Apparatus
Hanger for street lights composed of a bell insulator, cross arm with spool insulators on each end, and a hook to support the lamp.
SCHEIBLE, Albert
Hanger  
 SCHEID, Johann Friedrich
U 1,877,630 September 13, 1932 High Tension Insulator
Multipart cementing technique using a resilient layer or shaped sleeve
SCHEID, Johann Friedrich
Multipart Hermsdorf-Schomburg-Isolatoren G. M. B. H.
 SCHEID, Johannes Friedrich
U 1,484,569 February 19, 1924 Ceramic Body
Method of making a suspension disk by inserting a fired porcelain part inside the bottom of an unfired disk, then firing the disk, which shrinks around the insert securing a cemented pin inside
SCHEID, Johannes Friedrich
Suspension H. Schomburg & Shone
 SCHERER, Frederick C.
FASHBAUGH, Henry C.
U 872,756 December 3, 1907 Insulator
Self-tying screw top
SCHERER, Frederick C.
FASHBAUGH, Henry C.
Self-tying Screw Top  
 SCHILLING, Lorell J.
U Specimen known 2,350,420 June 6, 1944 Insulator Mounting
Surge porcelain electric fence insulator with drip points and special mounting bracket (see design 126,721) (see design 126,722) [see picture 170540955] (see 2,311,779) (see 2,454,348)
SCHILLING, Lorell J.
Electric Fence Babson Bros. Co.
 SCHILLING, Lorell John
D Specimen known 126,721 April 22, 1941 Design for a Strain Insulator
Surge fence knob
SCHILLING, Lorell John
Knob Babson Brothers Co.
D Specimen known 126,722 April 22, 1941 Design for a Line Insulator
Surge fence knob
SCHILLING, Lorell John
Knob Babson Brothers Co.
U Specimen known 2,311,779 February 23, 1943 Insulating Apparatus For Electric Fences
Knob for fence post (porcelain SURGE insulator) (see 2,350,420) (see design 126,721) (see design 126,722) (see 2,454,348) [see picture 170540955]
SCHILLING, Lorell John
Electric Fence Babson Brothers Co.
U 2,454,348 November 23, 1948 Latch for Electric Fence Gates
Latch for electric fence using Surge insulators (see 2,350,420) (see design 126,721) (see design 126,722) (see 2,454,348) [see picture 170540955]
SCHILLING, Lorell John
Electric Fence Babson Brothers Co.
 SCHIMPF, Frank
U 978,941 December 20, 1910 Combined Cleat and Rosette
Cleat for ceiling fixture
SCHIMPF, Frank
Cleat  
 SCHISLER, Frank J.
U 1,116,631 November 10, 1914 Insulator
Self-tying slot top for slack wire use
SCHISLER, Frank J.
Self-tying Slot Top  
 SCHLEIN, Seymour N.
U 3,288,918 November 29, 1966 Apparatus for Securing Lines to Supports
Preformed tie wire and line reinforcement of ribbon helix made of resilient material that may be uncoiled to make the tie but spring back to preformed shape
SCHLEIN, Seymour N.
Tie Wire The Fanner Mfg. Co.
 SCHMALZ, James H.
U 2,234,656 March 11, 1941 Insulator Tie for Electric Conductors
Preformed tie wire clips that fit around the insulator and clip on the line wire
SCHMALZ, James H.
Tie Wire Copperweld Steel Co.
 SCHMID, Ernest Emmel
U 1,046,868 December 10, 1912 Strain Insulator
Strain, interlocking type with ribs and metal connectors
SCHMID, Ernest Emmel
Strain Shield Electric Co.
 SCHMITT, Eugene A.
U 1,163,181 December 7, 1915 Lightning Rod Coupling
Coupling for spiral ""star"" shaped lightning rods (see 297,290)
SCHMITT, Eugene A.
Lightning Rod Coupling Cole Brothers Lightning Rod Co.
 SCHNEE, William G.
U 582,396 May 11, 1897 Insulator
Self-tying slot top
SCHNEE, William G.
Self-tying Slot Top 1/2 to John R. Dixon
 SCHNEIDER, Bennet B.
U 176,073 April 11, 1876 Improvement in Lamp Collars
Oil lamp collar with grooves for oil return
SCHNEIDER, Bennet B.
HU  
 SCHNEIDER, Bennett B.
BROOKE, Homer
U 342,045 May 18, 1886 Means of Securing Glass and Metal Articles Together
Method of applying metal handles to glass jars or other glass articles
SCHNEIDER, Bennett B.
BROOKE, Homer
Jar  
 SCHNOEBELEN, Clement A.
U 1,666,670 April 17, 1928 Lightning Rod Air Terminal Bracket
Lightning rod with attachment bracket to secure conductor and fit over tiled roof peaks, metal roof peaks, or raised edges of buildings
SCHNOEBELEN, Clement A.
Lightning Rod  
 SCHOENTHALER, Edward F.
U Specimen known 744,631 November 17, 1903 Insulator
CD 139 combination safety and CD 181.5
SCHOENTHALER, Edward F.
Insulator 2/3 to W. Parker & J. Finn
 SCHOENTHALER, George Henry
U 1,719,945 July 9, 1929 Insulator
Suspension with cutout metal cap and split spring metal eye-pin
SCHOENTHALER, George Henry
Suspension Locke Insulator Corp.
 SCHOLES, Samuel R.
U 1,312,053 August 5, 1919 Process of Decomposing Potassium Silicates
Process of extracting potassium to be used in glass manufacture (see patent 1,327,781; 1,327,782)
SCHOLES, Samuel R.
Glass H. C. Fry Glass Co.
 SCHOLES, Samuel R.
BRENNER, Ralph F.
U 1,327,781 January 13, 1920 Process of Extracting Potassium from Potash-Bearing Silicate Minerals
Process of extracting potassium to be used in glass manufacture (see patent 1,312,053; 1,327,782)
SCHOLES, Samuel R.
BRENNER, Ralph F.
Glass  
 SCHOLES, Samuel R.
U 1,327,782 January 13, 1920 Process of Obtaining Combined Potassium from Minerals
Process of extracting potassium to be used in glass manufacture (see patent 1,312,053; 1,327,781)
SCHOLES, Samuel R.
Glass  
 SCHOMBURG, Rudolf
U 515,448 February 27, 1894 Fixing Electric Conducting Wires to Insulators Supporting Same
Self-tying via hole through insulator crown & metal clamp
SCHOMBURG, Rudolf
Self-tying Miscellaneous  
 SCHOONMAKER, Edward T.
U 321,646 July 7, 1885 Electric Wire Insulator
Pin with spars to fit in threaded pin hole
SCHOONMAKER, Edward T.
Pin 1/2 to John E. Smith
 SCHOONMAKER, James H.
U 243,630 June 28, 1881 Lightning Rod
Lightning rod composed of a zinc tube covered with copper surrounded by twisted spiraling tubes of the same combination
SCHOONMAKER, James H.
Lightning Rod 4/5 to H. D. Morse and N. C. Gault
U 364,605 June 7, 1887 Lightning Rod
Lightning rod composed of a hollow core wrapped with small hollow wire which has been wrapped with soft wire and the whole encsed in a copper covering
SCHOONMAKER, James H.
Lightning Rod 2/3 to Henderson D. Morse and Nathaniel C. Gault
 SCHOONMAKER, John C.
U 128,818 July 9, 1872 Improvement in Lightning Rods
Lightning rod made of a core of hollow copper wire covered with twisted hollow copper wires
SCHOONMAKER, John C.
Lightning Rod  
U 156,713 November 10, 1874 Improvement in Machines for Making Tubular Lightning Rods
Machine for making lightning rods by make metal tubes from sheet metal and wrapping the tubes around a central core
SCHOONMAKER, John C.
Lightning Rod Machine  
 SCHORLING, William H.
U 761,326 May 31, 1904 Machine for Molding Insulators
Press for making insulators
SCHORLING, William H.
Press Henry M. Brookfield
U 773,768 November 1, 1904 Molding Machine
Press, automatic
SCHORLING, William H.
Press Henry M. Brookfield
U 815,222 March 13, 1906 Device for Supporting Glass Insulators or Other Glass Articles While Plastic
Cooling rack to prevent deformation of threads in glass insulator taken from mold
SCHORLING, William H.
Cooling Henry M. Brookfield
 SCHOTT, Erich
U 1,542,588 June 16, 1925 Method of Making Suspension Insulators of Glass
Suspension glass insulator with glass pressed around mounting pin
SCHOTT, Erich
Suspension Jenaer Glaswerk Schott & Gen.
 SCHRAGE, Victor
U 20,916 July 13, 1858 Improved Device for Securing Lightning Rods
Lightning rod insulator (glass) with spring clip to hold rod
SCHRAGE, Victor
Lightning Rod Insulator  
 SCHULZ, Rudolf W.
U 1,204,196 November 7, 1916 Adjustable Support for Insulators
Pin made of two parts and loop on one end to clamp the insulator.
SCHULZ, Rudolf W.
Pin  
 SCHUTT, Duny A.
U 595,585 December 14, 1897 Fuse Block
Fuse cutout
SCHUTT, Duny A.
Fuse Holder The Peru Electric Mfg. Co.
 SCHWARTZ, Emil W.
SAVAGE, Manuel H.
SPARGO, Francis C.
U 2,146,596 February 7, 1939 Rubber Insulating Compound and Method of Making the Same
Rubber compound for electrical conductors
SCHWARTZ, Emil W.
SAVAGE, Manuel H.
SPARGO, Francis C.
Rubber General Electric Co.
 SCHWARTZ, Emil W.
CROASDALE, Evan T.
U 2,146,597 February 7, 1939 Process of Treating Rubber
Rubber treating process
SCHWARTZ, Emil W.
CROASDALE, Evan T.
Rubber General Electric Co.
 SCHWEITZER, Edmund O.
HERZ, Alfred
U Specimen known 1,144,732 June 29, 1915 Fuse Device
Fuse holder or cut-out with knife insert to hold the fuse (see reissue ) (see patent 1,270,335)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  
R Specimen known 14,416 December 25, 1917 Fuse Device
Reissue of patent 1,144,732 for fuse holder with knife insert. (see patent 1,144,732)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  
U Specimen known 1,270,335 June 25, 1918 Fuse Device
Fuse holder or cut-out with knife insert. (See patent 1,144,732)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  
 SCHWENCK, Frederick
D 67,238 May 5, 1925 Design for a Bottle
Design for Bottle (Queen City, Grand Pop)
SCHWENCK, Frederick
HU  
D 67,311 May 12, 1925 Design for a Bottle
Design for Bottle (Pay Day)
SCHWENCK, Frederick
HU  
 SCOTT, Arthur C.
RUPE, William G.
U 1,718,259 June 25, 1929 Insulator
Cleat - self-tying
SCOTT, Arthur C.
RUPE, William G.
Cleat  
 SCOTT, Charles F.
DAVIS, Harry P.
U 541,459 June 25, 1895 Combined Insulator and Fuse Holder
Glass insulator which holds a fuse protected from the weather.
SCOTT, Charles F.
DAVIS, Harry P.
Fuse Holder Westinghouse Electric & Mfg. Co.
 SCOTT, Franklin
U 94,037 August 24, 1869 Improvement in Insulators
Lightning rod insulator slotted for self-locking
SCOTT, Franklin
Lightning Rod Insulator  
 SCULLY, Thomas
U Specimen known 1,216,000 February 13, 1917 Electrical Insulator
Strain with drain holes
SCULLY, Thomas
Strain  
 SEABOLDT, Bert
U 340,734 April 27, 1886 Electric Wire Insulator
Tie wire embedded in insulator
SEABOLDT, Bert
Tie Wire 3/4 to George Goss, Samuel Gilson, Andrew Horner
 SEAMON, William H.
U 430,696 June 24, 1890 Insulator
Cylinder with external threads to screw into crossarm
SEAMON, William H.
Cylinder  
 SEAVEY, Haller D.
U 1,429,110 September 12, 1922 Insulator
Suspension, special U-bolt links and hook for Hewlett disks
SEAVEY, Haller D.
Suspension Maxwell Engr & Mfg. Co.
 SEEGER, Adolph M.
U 1,960,171 May 22, 1934 Line Holder for Electric Wires
Wireholder that allows tie-off without the use of tie wires by means of a hole in the insulator and slotted top and crown grooves
SEEGER, Adolph M.
Wireholder  
 SEELY, John A.
U 296,881 April 15, 1884 Insulator
Rubber covered ring and knob with lag screw
SEELY, John A.
Rubber  
 SEELYE, Howard P.
U 2,224,361 December 10, 1940 Insulator
Wireholder with lag screw
SEELYE, Howard P.
Wireholder  
 SEGRE, Mario
U 1,227,680 May 29, 1917 Method of Screw-Threading Articles Made of Horn
Method of threading insulators made of animal horn (see 1,333,188)
SEGRE, Mario
Horn  
U 1,333,188 March 9, 1920 Manufacture of Hollow Articles from Horn
Manufacture of insulators from animal horn (see 1,227,680)
SEGRE, Mario
Horn  
 SEIKE, Shoji
MITSUMATSU, Yoshio
U 4,465,900 August 14, 1984 High Voltage Glazed Porcelain Insulators
Porcelain insulator and glaze designed specifically for DC service
SEIKE, Shoji
MITSUMATSU, Yoshio
Porcelain NGK Insulators, Ltd.
 SEIKE, Shoji
TOTOKI, Takao
MIMA, Toshiyuki
U 4,782,199 November 1, 1988 Insulators Having Improved Steep Wave Front Characteristics
Suspension, head treated with special glaze to strengthen cap/cement
SEIKE, Shoji
TOTOKI, Takao
MIMA, Toshiyuki
Suspension NGK Insulators, Ltd.
 SEILER, Paul
U Specimen known 187,183 February 6, 1877 Improvement in Telegraph Insulators
CD 130.2, wire groove composed of a series of projections
SEILER, Paul
Insulator 1/2 to Joseph Herz
 SELLERS, William
U 632,851 September 12, 1899 Bedstead Insulator
Glass insulator for bed legs
SELLERS, William
Piano  
 SELLYE, Howard P.
U 2,050,898 August 11, 1936 Electrical Insulator
Wireholder with large hole and lag screw
SELLYE, Howard P.
Wireholder  
 SELQUIST, Rolf
U 2,202,538 May 28, 1940 Line Conductor Reinforcement and Tie
Tie wire or line reinforcement made of a stiff drawn wire preformed helix to fit around the diameter of the line wire without bending
SELQUIST, Rolf
Tie Wire Copperweld Steel Co.
 SEMENZA, Guido
U 905,940 December 8, 1908 High Tension Insulator
Rainshed for conductor supported by crown
SEMENZA, Guido
Rainshed  
U 1,333,640 March 16, 1920 Electric Insulator
Suspension with bolted on metal cap (Italy)
SEMENZA, Guido
Suspension  
 SESSIONS, Edson O.
U 1,012,724 December 26, 1911 Insulator Support
Bracket for pin-type insulator with wooden cob & mounted on a pipe
SESSIONS, Edson O.
Bracket Fay Woodmansee
U 1,125,742 January 19, 1915 Cable Supporting Insulator
Clamp type
SESSIONS, Edson O.
Clamp Type Electrical Engineers Equipment Co.
 SEXTON, Frederick P.
U 2,082,220 June 1, 1937 Insulator Supporting Pin
Pin with soft metal thimble threaded only at the bottom and ridge at the top to engage the threads
SEXTON, Frederick P.
Pin  
 SEYLER, Carl P.
U 1,147,757 July 27, 1915 Insulator Supporting Structure
Bracket for 3-phase circuit using multipart insulator oriented in shape of >
SEYLER, Carl P.
Bracket  
U Specimen known 1,690,596 November 6, 1928 Insulator Pin
Steel pin with saddle and U-bracket to secure to the crossarm
SEYLER, Carl P.
Pin  
U 1,807,878 June 2, 1931 Insulator Supporting Post
Steel pin with sheet metal threads
SEYLER, Carl P.
Pin  
 SEYMOUR, Albert P.
U Specimen known 476,827 June 14, 1892 Wire Cleat
Cleat Patent was owned by Pass & Seymour.
SEYMOUR, Albert P.
Cleat  
U Specimen known 476,828 June 14, 1892 Circuit Breaking Insulator
Strain circuit breaking insulator. Patent was owned by Pass & Seymour.
SEYMOUR, Albert P.
Strain  
U Specimen known 476,964 June 14, 1892 Insulating Tube for Electric Conductors
Wall tube Patent was owned by Pass & Seymour.
SEYMOUR, Albert P.
Wall Tube  
U 483,771 October 4, 1892 Insulator
Knob - self-tying Patent was owned by Pass & Seymour.
SEYMOUR, Albert P.
Knob  
U Specimen known 617,608 January 10, 1899 Electrical Cut-Out
Fuse cutout (Pass & Seymour) with rotatable fuse plug
SEYMOUR, Albert P.
Fuse Holder  
 SHARPE, John E.
U 581,088 April 20, 1897 Electric Wire Insulator
Block of glass to hold wire in crossarm
SHARPE, John E.
Block  
U 679,544 July 30, 1901 Insulator for Electric Wires
Self-tying miscellaneous
SHARPE, John E.
Self-tying Miscellaneous 1/2 to Newton Bartle
U 700,570 May 20, 1902 Insulator Supporting Arm
Pin assembly for crossarm
SHARPE, John E.
Pin 1/2 to Newton Bartle
 SHAVER, William W.
U 1,975,297 October 2, 1934 Insulator
Suspension disk strengthen by acid etching glass under cap
SHAVER, William W.
Suspension Corning Glass Works
U 2,081,508 May 25, 1937 Insulator Having High Surface Resistance and Method of Making It
RFI: carnival coating (stain) to increase surface resistance and for marker insulator
SHAVER, William W.
RFI Corning Glass Works
 SHAW, Douglas Thomas
U 2,411,007 November 12, 1946 Means for Fastening Conductors to Insulators
Tie wire made from hard metal wire that fits in the top conductor groove with line wire wrapped around the ends
SHAW, Douglas Thomas
Tie Wire  
 SHEARS, Albert L.
U 874,445 December 24, 1907 Insulator
Cleat - self-tying
SHEARS, Albert L.
Cleat  
 SHERMAN, Delmar C.
U 2,172,810 September 12, 1939 Reinforcement for Transmission Lines and the Like
Preformed length of wire for specific line wire diameter to extend on either side of insulator to dampen out vibration in the line wire
SHERMAN, Delmar C.
Miscellaneous  
 SHERWOOD, A. S.
U 52,329 January 30, 1866 Improvement in Lightning Rods
Lightning rod point with connection to rod made of corrugated copper sheet to increase surface area
SHERWOOD, A. S.
Lightning Rod Point  
 SHILLINGER, Clare B.
U 2,331,053 October 5, 1943 Insulator Plunger Support
Insulator press
SHILLINGER, Clare B.
Press Owens-Illinois Glass Co.
 SHINN, William C.
U 887,277 May 12, 1908 Machine for Making Cable Lightning Rods
Machine for making cable conductors that is a cable within a cable for greatest flexibility and conduction
SHINN, William C.
Lightning Rod Machine  
U 995,638 June 20, 1911 Brace for Lightning Rod Tops
Lightning rod tripod to support rod with ball ornament
SHINN, William C.
Lightning Rod  
 SHIPMAN, Emanuel F.
U 1,786,458 December 30, 1930 Insulating Nontilting Stool
Insulated stool composed of multiple plies of hardwood with extended legs. Pintype insulators are used to support the legs and insulate the stool.
SHIPMAN, Emanuel F.
Stool  
 SHOOK, Albert
U 186,503 January 23, 1877 Improvement in Lightning Rod Connector Clips
Coupling or connector clip composed of flat metal bent around the adjoining rod with external threads formed on the end so the rod can be screwed onto the clip
SHOOK, Albert
Lightning Rod Coupling  
 SHOPE, James W.
U 1,889,113 November 29, 1932 Drop Wire Hanger
A hanger for drop wires composed of a loop of wire with several loops or fingers for the drop wire to be woven around.
SHOPE, James W.
Hanger  
 SHORT, Edward C.
U 804,630 November 14, 1905 Support for Pole Crossarms
Metal bracket to attach a wooden crossarm to the pole and to prevent the crossarm from moving up or down from horizontal and eliminate the need to mortise the pole.
SHORT, Edward C.
Crossarm  
 SHOVER, Barton R.
U 1,026,711 May 21, 1912 Sheet Metal Insulator Pin
Pin, metal composed of three flat strips
SHOVER, Barton R.
Pin  
 SHOWMAN, Robert L.
U 2,935,553 May 3, 1960 Electrical Knob Insulator
Nail-knob with center bushing to secure nail
SHOWMAN, Robert L.
Knob A. B. Chance Co.
 SHREFFLER, James L.
U 712,440 October 28, 1902 Insulator
Self-tying with slot and screw clamp
SHREFFLER, James L.
Self-tying Miscellaneous  
 SHULL, Frederick G.
DE RIGHT, Elon J.
U Specimen known 1,257,135 February 19, 1918 Guying-Pole
Cast iron member with three lugs for threadhing through guy cable on either side of the guy strain insulator which eliminates the need for clamps and is easier to install.
SHULL, Frederick G.
DE RIGHT, Elon J.
Guy Strain (marketed by the Shull Boltless Clamp Corp.)
 SIEGWART, Frank J.
U 897,669 September 1, 1908 Insulator
Knob - self-tying
SIEGWART, Frank J.
Knob  
 SILER, Aaron V.
U 931,507 August 17, 1909 Insulator for Electric Wires
Self-tying miscellaneous
SILER, Aaron V.
Self-tying Miscellaneous 1/2 to Andrew Siler
 SILER, Andrew J.
U 954,350 April 5, 1910 Insulator
Wire groove on top with enlarged crown to aid in tying (see 1,229,272)
SILER, Andrew J.
Wire 1/3 to Aaron Siler & 1/3 to Sumner Siler
 SIMCOE, George
U 1,072,999 September 9, 1913 Tubular Insulator
miscellaneous
SIMCOE, George
Miscellaneous  
 SIMONDS, W. Edgar
U 71,418 November 26, 1867 Improvement in Telegraph Insulators
Cup under insulator (similar to oil insulator) to maintain dry surfaces (see reissue 3,499 on 6-8-1869) Patent was used by Central Electric Co.
SIMONDS, W. Edgar
Oil  
R 3,499 June 8, 1869 Improvement in Telegraph Insulators
Cup under insulator (similar to oil insulator) to maintain dry surfaces (see 71,418)
SIMONDS, W. Edgar
Cup  
U 92,111 June 29, 1869 Improvement in Telegraph Insulators
Hook with paraffin in a cup between hook or insulator and pin
SIMONDS, W. Edgar
Hook  
 SIMPSON, Harvey
U 470,514 March 8, 1892 Lightning Conductor
Hollow conductor rod with slip fittings
SIMPSON, Harvey
Lightning Rod  
U 538,603 April 30, 1895 Lightning Rod
Hollow lightning rod with cup to divert water into the lower sections of the rod to improve conduction of current to ground
SIMPSON, Harvey
Lightning Rod  
U 940,742 November 23, 1909 Water Retaining and Conveying Attachment for Cable Lightning Rods
Method of retaining water in the ground to aid in conducting the current to ground
SIMPSON, Harvey
Lightning Rod  
 SIMPSON, John Stewart
U 1,215,883 February 13, 1917 Crosstree for Telegraph Poles
Large blocks of wood securing in between the blocks halves of a stone or porcelain insulator mounted on a crossarm to secure the wire
SIMPSON, John Stewart
Insulator  
 SINCLAIR, Herbert
U Specimen known 806,588 December 5, 1905 Electrical Insulator
Oval shaped nail-knob with saddle top for cap to fit over the saddle
SINCLAIR, Herbert
Knob  
U Specimen known 855,208 May 28, 1907 Insulator
nail-knob with top part fitting inside the bottom and with an offset nail hole. Specimen was found at Star Porcelain Co. dump with embossed marking IDEAL.
SINCLAIR, Herbert
Knob  
 SINDELAR, Lambert J.
U 1,284,799 November 12, 1918 Knob and the Like
Knob with two vertical grooves and lag screw for mounting to building
SINDELAR, Lambert J.
Knob  
 SINDING-LARSEN, Alf
U 657,574 September 11, 1900 High Voltage Insulator
Heater (electric) imbedded in insulator body
SINDING-LARSEN, Alf
Heater  
 SINDLINGER, Nevin Y.
U Specimen known 2,266,340 December 16, 1941 Insulator
Self-tying twist lock type
SINDLINGER, Nevin Y.
Self-tying Twist  
 SINES, Harold S.
U 2,396,895 March 19, 1946 Conductor Grip for Insulators
Tie wire replacement for Hi-Top styles using a preformed sheet metal strap and ears that fold over the line wire
SINES, Harold S.
Tie Wire  
 SINGER, Julius M.
D 65,872 October 28, 1924 Design for a Bottle
Design for Bottle (Wolverine)
SINGER, Julius M.
HU Wolverine Bottling Works
 SKINNER, James E.
U 902,455 October 27, 1908 Transposition Bracket for Insulators
Transposition bracket
SKINNER, James E.
Transposition  
 SKIPPER, Edward M.
U 2,346,620 April 11, 1944 Method of Forming Insulator Bodies
Method to mix water with dry ingredients to form clay of the proper water content
SKIPPER, Edward M.
Clay Locke Insulator Corp.
U 2,355,684 August 15, 1944 Insulator Cutting Machine
Machine to automatically trim the profile in insulators in an assembly line process
SKIPPER, Edward M.
Machine Locke Insulator Corp.
U 2,425,270 August 5, 1947 Method and Apparatus for Forming Blanks for Post and Pedestal Insulators
Manufacturing method to produce blanks for post and pedestal insulators
SKIPPER, Edward M.
Manufacturing Locke Insulator Corp.
 SLATER, Frederick R.
U 763,434 June 28, 1904 Insulating Support for Electric Third Rails
Third rail insulator with metal bracket that fits in grooves on the upper sides of the insulator.
SLATER, Frederick R.
Third Rail 1/2 to Robert W. Lyle
U 764,384 July 5, 1904 Insulating Support for Electric Third Rails
Third rail insulator that screws into metal support ahd has a threaded hole in top to receive the metal rail support.
SLATER, Frederick R.
Third Rail Bleecker S. Barnard
 SLAYTER, Games
U 1,991,469 February 19, 1935 Building Block
Block with interior partition, separate lid
SLAYTER, Games
OI Owens-Illinois Glass Co.
 SLAYTER, Games
IRVINE, Jan S.
THOMAS, JR., John H.
U 2,034,925 March 24, 1936 Hollow Building Block
Method in manufacturing glass to glass seal welded blocks
SLAYTER, Games
IRVINE, Jan S.
THOMAS, JR., John H.
OI Owens-Illinois Glass Co.
 SLAYTER, Games
U 2,119,259 May 31, 1938 Method of Making Articles of Vitreous Materials
Glass Block Pressing Machine
SLAYTER, Games
OI Owens-Illinois Glass Co.
 SLEEMAN, Harold P.
U 1,755,032 April 15, 1930 Insulator
Post insulator made up of Hewlett disks
SLEEMAN, Harold P.
Post Type The R. Thomas & Sons Co.
U 1,760,786 May 27, 1930 Coupling for Insulators
Two part metal coupling to link Hewlett disks together
SLEEMAN, Harold P.
Suspension The R. Thomas & Sons Co.
U 2,154,387 April 11, 1939 Electric Insulator
RFI: coat crown with metallic glaze to prevent radio interference (advertised in Electrical World 8-12-1939)
SLEEMAN, Harold P.
RFI The R. Thomas & Sons Co.
 SLONECKER, Abiram J.
U 1,065,737 June 24, 1913 Insulator and Support
Spiral conical insulator for tightening of line wire
SLONECKER, Abiram J.
Spiral  
 SLUSSER, Charles R.
U Specimen known 881,967 March 17, 1908 Electric Insulator
U-185
SLUSSER, Charles R.
Insulator  
 SMALLEY, Burt M.
U 2,454,677 November 23, 1948 Secondary Rack
Strong secondary rack bracket that is shorter yet easily bolted in place.
SMALLEY, Burt M.
Bracket/secondary Rack Joslyn Mfg and Supply Co.
 SMALLEY, Burton M.
U 2,740,827 April 3, 1956 Insulator Bracket
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
SMALLEY, Burton M.
Wireholder/bracket/rack Spool Joslyn Mfg. & Supply Co.
 SMALLEY, Robert C.
U Specimen known 1,755,971 April 22, 1930 Insulator
Neon, knob to support wires for neon sign (""spook"" insulator)
SMALLEY, Robert C.
Neon Claud Neon Lights, Inc.
 SMEAD, Donald G.
U 1,961,434 June 5, 1934 Adjustable Insulator Bracket
Odd bracket for two spools to hold line wire at varying angles when mounted in a tree with a lag screw
SMEAD, Donald G.
Bracket  
 SMEDE, Lloyd
SHAND, Errol B.
U 1,852,093 April 5, 1932 Article of Manufacture and Process of Making It
RFI metallic coating and process of applying it to porcelain insulators
SMEDE, Lloyd
SHAND, Errol B.
RFI Westinghouse Electric & Mfg. Co.
 SMITH, Amos L.
U 1,119,049 December 1, 1914 Insulator Clamp
Tie wire crank lever
SMITH, Amos L.
Tie Wire  
 SMITH, Ashbel G.
PETTINGELL, William
U 109,461 November 22, 1870 Improvement in Insulators for Telegraph Wires
Clamp type via two glass blocks held and kept dry by metal box
SMITH, Ashbel G.
PETTINGELL, William
Clamp Type Themselves and William H. Fowler
 SMITH, Carl H.
JONES, David
D 112,048 November 8, 1938 Design for a Hollow Glass Building Block
Block design with fine lines on exterior and mesh design on interior
SMITH, Carl H.
JONES, David
OI Owens-Illinois Glass Co.
 SMITH, Charles H.
U 171,744 January 4, 1876 Improvement in Lightning Rods
Lightning rod composed of a copper sheet wrapped around a metal bar with copper wrapped wires on either side and the whole twisted
SMITH, Charles H.
Lightning Rod  
U 174,866 March 14, 1876 Improvement in Weather Vane Attachments for Lightning Rods
Lightning rod top cap for holding weather vanes (shows a rooster)
SMITH, Charles H.
Lightning Rod Point  
U 183,425 October 17, 1876 Improvement in Lightning Rods
Coupling for twisted sheet metal lightning rod composed of hollow end to fit over end of rod and pinned to rod with matching threaded end so coupling parts can be screwed together
SMITH, Charles H.
Lightning Rod Coupling  
U 183,426 October 17, 1876 Improvement in Lightning Rod Connections
Coupling for twisted sheet metal lightning rod composed of hollow end to fit over end of rod and crimped to secure to rod with matching threaded end so coupling parts can be screwed together
SMITH, Charles H.
Lightning Rod Coupling  
U 192,628 July 3, 1877 Improvement in Lightning Rods
Glass lightning rod ball with silver or gold coating on the inside
SMITH, Charles H.
Lightning Rod Ornament  
U 192,718 July 3, 1877 Improvement in Couplings for Lightning Rods
Coupling for tubular lightning rods with male and female parts allowing the ends to be screwed together
SMITH, Charles H.
Lightning Rod Coupling  
U 198,471 December 25, 1877 Improvement in Lightning Rods
Lightning rod composed of sheet metal formed into a pair of tubes with rod laying between the tubes and multiple tubes and rods can be used
SMITH, Charles H.
Lightning Rod  
U 201,059 March 5, 1878 Improvement in Lightning Rod Connections
Coupling for lightning rod with matching male and female threads applied to the ends of rods and then the whole galvanized to make one continuous rod section
SMITH, Charles H.
Lightning Rod Coupling  
 SMITH, Donald H.
U Specimen known 2,099,540 November 16, 1937 Insulator Shield
Metal skirt on CD 154
SMITH, Donald H.
Insulator Western Union Telegraph Co.
 SMITH, Donald H.
WHEELER, Herbert H.
U Specimen known 2,218,497 October 15, 1940 Electrical Insulator
Rubber pin type insulator (see 2,304,483)
SMITH, Donald H.
WHEELER, Herbert H.
Rubber Western Union Telegraph Co.
U Specimen known 2,304,483 December 8, 1942 Electrical Insulator
Rubber pin type insulator
SMITH, Donald H.
WHEELER, Herbert H.
Rubber Western Union Telegraph Co.
 SMITH, George R.
U 1,171,267 February 8, 1916 Insulator for Electrically Charged Wires
Wall tube with metal gripping strip
SMITH, George R.
Wall Tube  
 SMITH, Harold B.
U 1,730,170 October 1, 1929 Insulator
Design with metal pin and metal projections to prevent arc-over
SMITH, Harold B.
Suspension Westinghouse Electric & Mfg. Co.
U 1,730,171 October 1, 1929 Insulator
Design with metal pin and metal projections to prevent arc-over
SMITH, Harold B.
Suspension Westinghouse Electric & Mfg. Co.
 SMITH, Isaac
U Specimen known 158,868 January 19, 1875 Improvement in Insulating Compounds
Hook with composition compound of shellac, asbestos, coal tar & oak black
SMITH, Isaac
Hook 1/2 to George A. Chapman
 SMITH, John B.
U 278,618 May 29, 1883 Machine for Making Brackets for Telegraph Insulators
Machine to turn wooden insulator pin brackets
SMITH, John B.
Pin Charles N. Freeman & David W. O'Neil
U 278,619 May 29, 1883 Machine for Making Telegraph Insulator Pins
Machine to turn wooden insulator pins
SMITH, John B.
Pin Charles N. Freeman & David W. O'Neil
 SMITH, John W.
U 518,793 April 24, 1894 Lightning Rod and Coupling
Couple with internal threads to screw sections together
SMITH, John W.
Lightning Rod Coupling  
 SMITH, Joseph Brodie
U Specimen known 418,766 January 7, 1890 Support for Electric Conductors
Brodie tree insulator with large lag screw and adjustable position.
SMITH, Joseph Brodie
Tree  
U 547,591 October 8, 1895 Switch and Fuse Box
Fuse cut-out or holder for transformer with plug that acts like a switch.
SMITH, Joseph Brodie
Fuse Holder  
U 606,771 July 5, 1898 Fuse Box
Fuse holder cut out for electric circuits.
SMITH, Joseph Brodie
Fuse Holder  
 SMITH, Leonard O.
U 328,728 October 20, 1885 Insulator
Slotted tubular insulator for crossovers
SMITH, Leonard O.
Slotted  
 SMITH, Michael Holroyd
U 348,792 September 7, 1886 Electric Tramway System
Wooden insulators for third rail and other various designs for electric tramway
SMITH, Michael Holroyd
Wood/third Rail  
 SMITH, N. E.
U 50,398 October 10, 1865 Lightning Rod Joints
Lightning rods joined with slip joints
SMITH, N. E.
Lightning Rod Coupling  
 SMITH, Ralph H.
U 2,857,505 October 21, 1958 Method of welding TV tube studs
Stud Welding Apparatus
SMITH, Ralph H.
OI Owens-Illinois Glass Co.
 SMITH, Ralph R.
D 121,705 July 30, 1940 Design for an Electric Fence Insulator
Fence knob
SMITH, Ralph R.
Knob  
 SMITH, Robert M.
U 3,070,474 December 25, 1962 Bonded Glass Surfaces and Method Therefore
Masonry bonding grit for glass block
SMITH, Robert M.
OI Owens-Illinois Glass Co.
 SMITH, Solomon
MISHLER, Milton B.
U 530,361 December 4, 1894 Tool for Lineman's Use
Lineman's tool to remove or apply the tie wire loop on an insulator
SMITH, Solomon
MISHLER, Milton B.
Tool  
 SMITH, Thomas Carpenter
U Specimen known 444,466 January 13, 1891 Electric Lamp Bracket
Bracket for two insulators and support for a street light
SMITH, Thomas Carpenter
Bracket  
 SMITH, Thomas Darling
U 1,001,561 August 22, 1911 Automatic Wood Turning Machine
Automatic machine for turning wooden table and chair legs, handles, croquet balls, mallets, etc.
SMITH, Thomas Darling
Pin  
 SMITH, Thomas J.
U Specimen known 403,491 May 14, 1889 Insulating Device for Line Wires
Tree hanger split octagon shaped forestry insulator referred to as the Victor
SMITH, Thomas J.
Tree The E. S. Greeley & Co.
 SMITH, William A.
U 1,925,211 September 5, 1933 Art of Assembling Insulators
Method of cementing pin in suspension insulator to remove air
SMITH, William A.
Suspension The Ohio Brass Co.
U 1,994,291 March 12, 1935 Insulator
Suspension for heavy loads with improved cap and pin design; improvement of A. O. Austin patent (see 1,994,265)
SMITH, William A.
Suspension  
U 2,010,934 August 13, 1935 Cementing Process and Apparatus
Apparatus to align the pin during the cementing process in a suspension insulator
SMITH, William A.
Manufacturing The Ohio Brass Co.
U 2,209,006 July 23, 1940 Coating Apparatus
Machine to dip insulators in glaze.
SMITH, William A.
Manufacturing The Ohio Brass Co.
U 2,342,307 February 22, 1944 Spraying Machine
Machine for spraying on RFI coatings
SMITH, William A.
RFI The Ohio Brass Co.
 SMITH, William Henry
U 1,677,498 July 17, 1928 Apparatus for Undercutting Pinholes in the Center Shells of Insulators
Machine to undercut the pinhole for the suspension pin to prevent the pin from pulling out of the insulator.
SMITH, William Henry
Suspension Electric Service Supplies Co.
U 1,755,308 April 22, 1930 Apparatus for Finishing Insulator Shells
Machine to form grooves inside the suspension disk to aid cement adhesion.
SMITH, William Henry
Suspension Electric Service Supplies Co.
 SMITH, William N.
U Specimen known 878,679 February 11, 1908 Support for Insulators
Pin, cast iron with U-bolt to clamp on crossarm (Smith-Grip pin)
SMITH, William N.
Pin  
 SMITH, William W.
U 52,761 February 20, 1866 Improvement in Telegraph Insulators
Hook screwed into block of vulcanite
SMITH, William W.
Hook  
U 53,246 March 13, 1866 Improvement in Telegraph Insulators
Hook insulator
SMITH, William W.
Hook  
 SMOCK, Benjamin D.
U 574,828 January 5, 1897 Insulator
Hanger insulator for end of pole or other support
SMOCK, Benjamin D.
Hanger  
 SMOTHERS, William J.
SELSING, Jorgen
U Specimen known 3,024,303 March 6, 1962 Glazed Insulator Which Comprises a Ceramic Body and a Primary Coat Under the Glaze Which has a Lower Coefficient of Thermal Expansion than the Ceramic Body
Suspension insulator with compression glaze coating under outer glaze surface
SMOTHERS, William J.
SELSING, Jorgen
Suspension The Ohio Brass Co.
 SMOTHERS, William J.
U 3,389,214 June 18, 1968 Coated Insulator
Suspension with RFI coating composed of semiconducting ceramic of silicon carbide
SMOTHERS, William J.
RFI The Ohio Brass Co.
 SNAPP, Delos V.
FRAHER, Charles W.
U 877,242 January 21, 1908 Insulator Pin
Pin with metal shank and bolt
SNAPP, Delos V.
FRAHER, Charles W.
Pin  
 SNEE, William
U 297,865 April 29, 1884 Machine for Making Insulator Pins
Machine to turn wooden insulator pins
SNEE, William
Pin 1/2 to Milton A. Walton
 SNIVELY, Charles H.
U 552,501 December 31, 1895 Insulator
Self-tying clamp with cam lever (see 805,169)
SNIVELY, Charles H.
Self-tying Miscellaneous  
 SNODGRASS, John C.
U 756,724 April 5, 1904 Insulator
Cleat - self-tying
SNODGRASS, John C.
Cleat  
 SNOW, Charles P.
U 122,290 December 26, 1871 Improvement in Lightning Rods
Lightning rod made of a zinc strip for strength covered on one side with copper
SNOW, Charles P.
Lightning Rod  
 SNYDER, Edward B.
U 1,683,109 September 4, 1928 Conductor Support
Bracket to hold strain insulators on a crossarm for deadending
SNYDER, Edward B.
Bracket The Ohio Brass Co.
 SODEN, Francis H.
GOEHST, Henry
U 372,940 November 8, 1887 Insulating Joint
Glass ball to insulate a hanging lamp fixture from the support
SODEN, Francis H.
GOEHST, Henry
Insulating Joint  
 SODEN, John K.
U 912,501 February 16, 1909 High Tension Insulator
Large covers for insulators to protect them from rain and thus reduce electrical leakage
SODEN, John K.
Miscellaneous  
 SONNEBORN, Sol S.
U 1,282,481 October 22, 1918 Multiple Section Suspension Insulator
Suspension insulator with symmetrical metal parts to reduce electrical strain
SONNEBORN, Sol S.
Suspension  
U 1,290,673 January 7, 1919 Sectional Pin Insulator
Multipart with sections screwed together with threaded metal bands
SONNEBORN, Sol S.
Multipart  
U 1,291,217 January 14, 1919 Adjustable Suspension Insulator
Suspension disk with adjustable length pin to equalize the potential across each disk to reduce arc-over
SONNEBORN, Sol S.
Suspension  
U 1,426,421 August 22, 1922 Condenser Cemented Sectional Insulator
Multipart using metallic cement and metal sheath covering skirts
SONNEBORN, Sol S.
Multipart Hopewell Insulation & Mfg. Co.
 SORENSEN, Arvid C.
U 1,236,886 August 14, 1917 Insulator for Telegraph and Telephone Wires
Bracket composed of three grooved spool insulators arranged to allow the line wire to move horizontally to maintain the tautness of the line.
SORENSEN, Arvid C.
Bracket  
 SORG, Frederich W.
U 731,239 June 16, 1903 Telephone Circuit
Transposition metal connector for forming loops in line wire
SORG, Frederich W.
Transposition  
 SORTWELL, Harold H.
U 1,633,462 June 21, 1927 Ceramic Insulating Material
Clay mixture to produce a black porcelain body.
SORTWELL, Harold H.
Porcelain Star Porcelain Co.
 SOUBIER, Leonard D.
U 2,164,093 June 27, 1939 Method of Joining Glass Block Sections
Automatic machine for joining glass blocks with aluminum
SOUBIER, Leonard D.
OI Owens-Illinois Glass Co.
U 2,215,984 September 24, 1940 Apparatus for Producing Hollow Glass Articles
Glass suction press for CD 128
SOUBIER, Leonard D.
Press Owens-Illinois Glass Co.
U 2,228,613 January 14, 1941 Machine for Forming Glass Articles
Glass Block Pressing Machine
SOUBIER, Leonard D.
OI Owens-Illinois Glass Co.
 SOUTHGATE, George T.
U 1,315,998 September 16, 1919 Insulator Support Thimble
Thimble with standard external threads pressed out of sheet metal and attached to a steel pin
SOUTHGATE, George T.
Thimble  
 SPANG, Henry W.
U 167,415 September 7, 1875 Improvement in Lightning Rods
Lightning rod system tied into the existing gutter of a home or building
SPANG, Henry W.
Lightning Rod  
R 6,835 January 4, 1876 Improvement in Lightning Rods
Lightning rod system tied into the existing gutter of a home or building (see 167,415)
SPANG, Henry W.
Lightning Rod  
U 196,493 October 23, 1877 Improvement in Lightning Conductors
Lighning rod conductor with improved grounding
SPANG, Henry W.
Lightning Rod Conductor  
U 204,257 May 28, 1878 Improvement in Lightning Conductors
Sheet metal strips connecting lightning rods to gutters
SPANG, Henry W.
Lightning Rod Conductor  
R 9,934 November 15, 1881 Lightning Rod
Reissue of R6,835 which was a reissue of 167,415; Lightning rod system tied into the existing gutter of a home or building
SPANG, Henry W.
Lightning Rod  
U 273,179 February 27, 1883 Lightning Conductor
Lightning rod system with an extended earth terminal utilizing a fence
SPANG, Henry W.
Lightning Rod  
U 284,082 August 28, 1883 Lightning Conductor
Lightning rod system of two or more rods and grounded to earth
SPANG, Henry W.
Lightning Rod  
U 286,086 October 2, 1883 Electrical Conductor for Oil Tanks
Lightning protection system for oil tanks (see 167,415)
SPANG, Henry W.
Lightning Rod  
U 437,526 September 30, 1890 Lightning Protector for Oil Tanks
Method of protecting oil tanks from lightning
SPANG, Henry W.
Lightning Rod  
 SPARKS, Robert Romney
U 902,262 October 27, 1908 Insulator Protector
Covering for insulator
SPARKS, Robert Romney
Covering  
 SPEAKMAN, Charles W.
U 971,322 September 27, 1910 Mine Insulator
Mine hanger insulator (see GB191027804)
SPEAKMAN, Charles W.
Mine  
 SPENCER, Frederick K.
BENNETT, Orville
U 998,649 July 25, 1911 Insulator Bracket for Electrical Work
Bracket to hold several insulators on side of pole
SPENCER, Frederick K.
BENNETT, Orville
Bracket  
 SPICER, Frank M.
U 1,161,080 November 23, 1915 Insulator
Self-tying screw top
SPICER, Frank M.
Self-tying Screw Top  
 SPRATT, James
U 7,008 January 8, 1850 Improvement in Alloys for Points of Lightning Rods
Alloy composed of tin, antimony, bismuth, silver, platinum, and silex
SPRATT, James
Lightning Rod Point  
U Specimen known 7,076 February 5, 1850 Lightning Rod Insulator
Lightning rod insulator (attachment for conductors)
SPRATT, James
Lightning Rod Insulator  
U 8,930 May 4, 1852 Improvement in Lightning Rods
Lightning rod point made of steel coated with various other metals such as copper, tin, etc.
SPRATT, James
Lightning Rod Point  
U 9,995 September 6, 1853 Improvement in Bottle Fastenings
Sealing method for glass jars
SPRATT, James
Bottle  
U 11,332 July 18, 1854 Improvement in Hermetical Sealing
Metal can with rubber gasket (see reissue 1,593)
SPRATT, James
Can  
U 18,606 November 10, 1857 Candlestick
Method of attaching a candle to a candlestick
SPRATT, James
Candlestick  
 SPRINGEN, Knudt G.
U 794,645 July 11, 1905 Insulator Bracket for Telephone Poles, etc.
Wire device to secure a side pin to a pole
SPRINGEN, Knudt G.
Pin  
 SPROAT, Clinton
TARR, Edward N.
U Specimen known 544,778 August 20, 1895 Insulator for Electric or Other Wires
CD 207.2 self-tying screw top similar to Prenzel patent (top is known but not the bottom)
SPROAT, Clinton
TARR, Edward N.
Self-tying Screw Top  
 STADERMANN, Albert L.
U 926,906 July 6, 1909 Distributing Insulator Bracket
Bracket with spools for tying off drop lines
STADERMANN, Albert L.
Bracket  
U Specimen known 954,596 April 12, 1910 Insulator
Knob (Fireplug)
STADERMANN, Albert L.
Knob  
 STAHL, Loren
U 1,163,114 December 7, 1915 Insulator
Cleat
STAHL, Loren
Cleat  
 STANFORD, JR., Joseph Addison
U 1,122,030 December 22, 1914 Suspension Insulator Eyebolt
Steel eyebolt pin for suspension insulators
STANFORD, JR., Joseph Addison
Suspension The R. Thomas & Sons Co.
 STANLEY, George E.
U 422,651 March 4, 1890 Insulator
Cleat with split ends
STANLEY, George E.
Cleat  
 STANLEY, Vincent C.
U 1,466,674 September 4, 1923 Storage Battery
Battery electrodes and container. However, the little porcelain insulators cataloged as SP17-01 were used to support glass rods for the battery to set on.
STANLEY, Vincent C.
Battery The Gamewell Fire Alarm Telegraph Co.
 STANTON, Fafayette
U 888,763 May 26, 1908 Line Wire Fastener
Tie wire replacement consisting of wire, metal strap, and lever
STANTON, Fafayette
Tie Wire 5/100 to Forsyth Mfg. Co.
 STARK, Charles H.
LENKE, George H.
U 2,851,973 September 16, 1958 Skylight Construction
Skylights made of glass block
STARK, Charles H.
LENKE, George H.
OI Owens-Illinois Glass Co.
 STARK, Charles H.
U 2,947,267 August 2, 1960 Skylight Mounting
Glass block for skylight
STARK, Charles H.
OI Owens-Illinois Glass Co.
 STATON, Harry C.
U 1,886,984 November 8, 1932 Insulator Structure
Radio strain insulator for antennas
STATON, Harry C.
Radio  
 STAUB, Arthur J.
U 1,528,580 March 3, 1925 Insulator Pin
Unique hollow steel pin with bottom halves that widen when the insulator is screwed down on the pin thus gripping the hole in the crossarm and securing the pin and allowing a tap wire to run from the line conductor down through the center of the pin
STAUB, Arthur J.
Pin  
 STAUFFER, Henry D.
U 854,315 May 21, 1907 Insulator
Clamp type
STAUFFER, Henry D.
Clamp Type  
 STEARNS, Charles
U 25,534 September 20, 1859 Machine for Making Lightning Rods
Machine for making corrugated, twisted lightning rods out of sheet metal
STEARNS, Charles
Lightning Rod Machine  
U 65,775 June 11, 1867 Improvement in Lightning Rods
Lightning rod made of a continuous strip of copper wound and corrugated into rods
STEARNS, Charles
Lightning Rod Jacob A. Kissell and Nathan Blickensderfer
 STEARNS, Joseph B.
U 107,303 September 13, 1870 Improvement in Attaching Insulators to Telegraph Poles
Threadless insulator mounted on pin via horizontally inserted keeper pin
STEARNS, Joseph B.
Threadless  
 STEBBINS, Darius
U Specimen known 66,054 June 25, 1867 Improvement in Lightning Rod Insulators
Lightning rod insulator (glass) with tie wire to hold conductor
STEBBINS, Darius
Lightning Rod Insulator 1/2 to E. Morse
 STEFFES, Anton J.
U 1,122,434 December 29, 1914 Lightning Rod Brace
Lightning rod with short bracket to attach to roof peak with weathervane arrow
STEFFES, Anton J.
Lightning Rod  
 STEIN, Laurence B.
U Specimen known 3,251,014 May 10, 1966 Electrical Coupling Device
Miscellaneous internal coupling device to obtain a voltage from high voltage power line
STEIN, Laurence B.
Miscellaneous Sigma Instruments, Inc.
 STEINBERG, JR., Henry W.
U 586,372 July 13, 1897 Insulator
Self-tying slot top with perpendicular hole for retainer
STEINBERG, JR., Henry W.
Self-tying Slot Top  
 STEINBERGER, Louis
U 724,351 March 31, 1903 Insulated Strain
Electrose strain (Brown p. 69)
STEINBERGER, Louis
Electrose  
U 749,335 January 12, 1904 Insulator
Electrose insulator to hold heavy conductor on top (similar to 578,825)
STEINBERGER, Louis
Electrose  
U 750,722 January 26, 1904 Insulator
Metal encased insulator with metal cap to hold cable (Brown p. 25)
STEINBERGER, Louis
Metal  
U 761,553 May 31, 1904 Third Rail Support
Third rail insulator made of Electrose
STEINBERGER, Louis
Third Rail  
U 783,229 February 21, 1905 Locking Insulator
Self-tying screw top
STEINBERGER, Louis
Self-tying Screw Top  
U 783,230 February 21, 1905 Insulator Support
Steel pin supporting Electrose cover composed of threads and gutter at the bottom for transmitting water away from pin
STEINBERGER, Louis
Pin  
U 786,690 April 4, 1905 Multiple Hood Insulator
Electrose multipart pin type (Brown p. 70)
STEINBERGER, Louis
Electrose  
U 786,691 April 4, 1905 Strain
Electrose strain (Brown p. 69)
STEINBERGER, Louis
Electrose  
U 789,573 May 9, 1905 Insulator
Self-tying with metal screw plug in top of crown
STEINBERGER, Louis
Self-tying Miscellaneous  
U 806,509 December 5, 1905 Composite Insulator
Multipart insulator made of Electrose with parts screwed together
STEINBERGER, Louis
Multipart  
U 823,820 June 19, 1906 Prong Insulator
Ramshorn made of Electrose with lips and spout
STEINBERGER, Louis
Ramshorn  
U 839,666 December 25, 1906 Built up Insulator
Oil used in hidden reservoir of multipart insulator made of Electrose
STEINBERGER, Louis
Oil  
U 848,506 March 26, 1907 Insulator Pin and Support Therefor
Pin made of Electrose
STEINBERGER, Louis
Pin  
U 853,743 May 14, 1907 Insulating Device
Pin made of Electrose with flange on bottom
STEINBERGER, Louis
Pin  
U 853,744 May 14, 1907 High Tension Insulator
Multipart pintype insulator with large top skirt
STEINBERGER, Louis
Electrose  
U 855,261 May 28, 1907 Insulator Pin
Pin made of Electrose with flanges
STEINBERGER, Louis
Pin  
U 855,355 May 28, 1907 High Potential Insulator
Electrose multipart insulator for high voltages
STEINBERGER, Louis
Electrose  
U 877,804 January 28, 1908 Insulator for Heavy Conductors
Third rail insulator made of Electrose.
STEINBERGER, Louis
Third Rail  
U 879,068 February 11, 1908 Insulator for High Tension Currents
Odd electrose insulator with large hood over the top
STEINBERGER, Louis
Electrose  
U 885,678 April 21, 1908 Insulator for Heavy Currents
Heavy duty Electrose insulator that was bolted to supports and had several horizontal flanges or skirts.
STEINBERGER, Louis
Electrose  
U Specimen known 904,370 November 17, 1908 Disk Strain Insulator
Electrose suspension, small strain specimen marked with this patent and 927,186
STEINBERGER, Louis
Electrose  
U 905,014 November 24, 1908 Flexible Suspension for Conductors
Electrose suspension system
STEINBERGER, Louis
Electrose  
U 913,439 February 23, 1909 Disk Insulator
Electrose pintype insulator with multiple parts and skirts
STEINBERGER, Louis
Electrose  
U 917,501 April 6, 1909 Third Rail Insulator
Electrose third rail insulator.
STEINBERGER, Louis
Third Rail  
U Specimen known 927,186 July 6, 1909 High Potential Strain Insulator
Electrose strain insulator, specimen marked with this patent
STEINBERGER, Louis
Electrose  
U 927,187 July 6, 1909 Insulator
Electrose disk insulator
STEINBERGER, Louis
Electrose  
U 928,709 July 20, 1909 Insulator for Third Rails
Third rail insulator made of Electrose
STEINBERGER, Louis
Third Rail  
U 949,604 February 15, 1910 System of Insulation
Thimble shaped suspension insulator separated by tubular insulator
STEINBERGER, Louis
Thimble  
U 974,610 November 1, 1910 Strain Insulator
Suspension made from Electrose
STEINBERGER, Louis
Suspension  
U 999,414 August 1, 1911 High Tension Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,011,652 December 12, 1911 Strain Insulator
Strain, ribbed made of Electrose
STEINBERGER, Louis
Strain  
U 1,054,148 February 25, 1913 High Voltage Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,054,469 February 25, 1913 High Voltage Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,057,184 March 25, 1913 Insulating Means
Odd system for suspending power lines
STEINBERGER, Louis
Electrose  
U 1,072,524 September 9, 1913 Insulator
Odd system for suspending power lines
STEINBERGER, Louis
Electrose  
U 1,072,525 September 9, 1913 Suspension Insulator
Odd system for suspending power lines
STEINBERGER, Louis
Electrose  
U 1,118,694 November 24, 1914 Disk Strain Insulator
Suspension made of Electrose like fishtail Hewlett
STEINBERGER, Louis
Suspension  
U 1,122,326 December 29, 1914 High Potential Insulator
Multipart insulator made of Electrose
STEINBERGER, Louis
Multipart  
U 1,139,142 May 11, 1915 Locking Clip
Locking clip for an Electrose hanger insulator
STEINBERGER, Louis
Hanger  
U 1,143,149 June 15, 1915 Insulator
Electrose strain that can be bolted between two crossarms
STEINBERGER, Louis
Electrose  
U 1,156,442 October 12, 1915 Insulator
Electrose suspension with U-bolt connectors, arcing hood over the top and arcing ring below the insulator
STEINBERGER, Louis
Electrose  
U 1,160,543 November 16, 1915 High Voltage Strain Insulator
Suspension made of Electrose units
STEINBERGER, Louis
Electrose  
U 1,160,546 November 16, 1915 Disk Strain Insulator
Suspension made of Electrose like fishtail Hewlett
STEINBERGER, Louis
Electrose  
U 1,166,391 December 28, 1915 Insulator
Disk type strain with petticoats
STEINBERGER, Louis
Electrose  
U 1,166,392 December 28, 1915 Insulator
Electrose strain that can be bolted between two crossarms
STEINBERGER, Louis
Electrose  
U 1,166,393 December 28, 1915 Insulator
Electrose high tension pintype insulator
STEINBERGER, Louis
Electrose  
U 1,166,394 December 28, 1915 Spool Type Disk Strain Insulator
Suspension composed of ribbed spools made of Electrose
STEINBERGER, Louis
Electrose  
U 1,182,940 May 16, 1916 High Voltage Insulator
Suspension, two part made of Electrose
STEINBERGER, Louis
Suspension  
U 1,186,857 June 13, 1916 High Tension Strain Insulator
Rigid suspension insulator made of multiple units
STEINBERGER, Louis
Electrose  
R 14,204 October 17, 1916 Insulator
Electrose disk insulator. Reissue of patent 927,187
STEINBERGER, Louis
Electrose  
U 1,205,812 November 21, 1916 Strain Insulator
Suspension made of Electrose similar to Hewlett with interlocking links
STEINBERGER, Louis
Suspension  
U 1,206,158 November 28, 1916 Safety Strain Insulator
Suspension made of Electrose with special interlocking links
STEINBERGER, Louis
Suspension  
U 1,206,159 November 28, 1916 Safety Strain Disk Insulator
Strain made of Electrose with special interlocking links
STEINBERGER, Louis
Strain  
U 1,206,160 November 28, 1916 High Potential Insulator
Electrose modified pin type
STEINBERGER, Louis
Electrose  
U 1,212,703 January 16, 1917 Disk Type Chain Insulator
Suspension made of Electrose with special interlocking links
STEINBERGER, Louis
Suspension  
U 1,212,704 January 16, 1917 Disk Strain Insulator
Suspension or disk strain made of Electrose with corrugations top and bottom
STEINBERGER, Louis
Suspension  
U 1,212,706 January 16, 1917 Disk Strain Insulator
Suspension or disk strain made of Electrose with spring bar to allow slight vertical movement
STEINBERGER, Louis
Suspension  
U 1,212,707 January 16, 1917 Detachable Connection for Chain Links
Link connectors for Electrose suspension disks
STEINBERGER, Louis
Suspension  
U 1,212,708 January 16, 1917 Wire Clamp
Cable clamp for Electrose suspension disks
STEINBERGER, Louis
Suspension  
U 1,223,909 April 24, 1917 Disk Strain Insulator
Suspension or disk strain made of Electrose with spiraling ridges on each side
STEINBERGER, Louis
Suspension  
U 1,228,711 June 5, 1917 Connecting Device for Chain-Type Insulators
Suspension link coupling
STEINBERGER, Louis
Suspension  
U 1,231,090 June 26, 1917 Suspension Means for Strain Insulators
Link connectors for suspension disks
STEINBERGER, Louis
Suspension  
U 1,335,801 April 6, 1920 Insulator
Electrose strain (Brown p. 69)
STEINBERGER, Louis
Electrose  
U 1,348,248 August 3, 1920 Disk Suspension Insulator
Suspension, Electrose similar to Hewlett
STEINBERGER, Louis
Suspension  
U 1,348,249 August 3, 1920 Insulator Knob
Electrose knob
STEINBERGER, Louis
Knob  
U 1,403,717 January 17, 1922 Insulator
Strain or suspension in compression
STEINBERGER, Louis
Electrose  
U 1,406,696 February 14, 1922 Self-Cooling Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,406,697 February 14, 1922 Self-Cooling Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,426,516 August 22, 1922 Insulator
Electrose strain insulator with side ribs
STEINBERGER, Louis
Electrose  
U 1,426,788 August 22, 1922 Insulator Strain Member
Metal interlocking members for an Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,443,657 January 30, 1923 Insulator
Electrose suspension insulator
STEINBERGER, Louis
Suspension  
U 1,444,434 February 6, 1923 Insulator Supporting Pin
Pin with corkscrew for threading into bottom of Electrose insulator
STEINBERGER, Louis
Pin  
U 1,446,135 February 20, 1923 Insulator
Electrose high voltage insulator with special steel pin threaded at the bottom
STEINBERGER, Louis
Electrose  
U 1,446,523 February 27, 1923 Insulator
Suspension, disk made of Electrose with metal cap
STEINBERGER, Louis
Suspension  
U 1,447,359 March 6, 1923 Ventilated Line Insulator
Electrose pintype insulator with holes in the center to ventilate and reduce heat
STEINBERGER, Louis
Electrose  
U 1,448,096 March 13, 1923 Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,448,604 March 13, 1923 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,451,968 April 17, 1923 Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,453,201 April 24, 1923 Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,468,042 September 18, 1923 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,468,043 September 18, 1923 Insulator Supporting Pin
Electrose pin
STEINBERGER, Louis
Pin  
U 1,468,044 September 18, 1923 Line Insulator
Metal thimble in Electrose pintype insulator and internal cavity to cool insulator
STEINBERGER, Louis
Electrose  
U 1,493,054 May 6, 1924 Ball and Socket Insulator Connection
Ball and socket connection for an Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,501,732 July 15, 1924 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,513,291 October 28, 1924 Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,702,235 February 12, 1929 System of Line Insulation and Insulators Therefor
Odd Electrose insulator
STEINBERGER, Louis
Insulator  
 STEINMAYER, Alwin G.
U 1,779,501 October 28, 1930 Insulator
Wireholder with lag screw
STEINMAYER, Alwin G.
Wireholder Line Material Co.
U 2,392,342 January 8, 1946 Combined Spark Gap and Insulator
CD 186, CD 186.1, CD 186.2; Transparent glass insulator with spark gap within the insulator for signal circuits
STEINMAYER, Alwin G.
Spark Gap Line Material Co.
U 2,571,495 October 16, 1951 Adjustable Insulator Bracket
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
STEINMAYER, Alwin G.
Wireholder/bracket/rack Spool McGraw Electric Co.
U 2,650,263 August 25, 1953 Bracket Construction
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
STEINMAYER, Alwin G.
Wireholder/bracket/rack Spool McGraw Electric Co.
 STEINMETZ, Charles P.
U 1,049,005 December 31, 1912 Insulating Composition and Process of Making the Same
Artificial reconstructed lava made from combining soapstone or talc (hydrated silicate of magnesia), with a binder which is the precipitate of a mixture of magnesium sulfate and sodium silicate. The combination is then molded to the desired shape and fired at 1000 to 1300 degrees centigrade or higher.
STEINMETZ, Charles P.
Composition General Electric Co.
 STEPHEN, Charles Wm.
U 548,669 October 29, 1895 Insulator Pin
Pin with threaded wooden cone and steel bolt
STEPHEN, Charles Wm.
Pin  
 STEPHENS, Benjamin George Claude
U 1,463,852 August 7, 1923 Electric Line Insulator
Insulator with fuse inserted between the petticoats and a plug to hold it in place
STEPHENS, Benjamin George Claude
Fuse Holder  
 STEPHENSON, George A.
SUTLIFF, Oliver L.
U 118,166 August 15, 1871 Improvement in Lightning Rods
Coupling for tubular or solid lightning rods that is screwed together and made solid by a ferrule secured with a pin
STEPHENSON, George A.
SUTLIFF, Oliver L.
Lightning Rod Coupling  
 STERLING, Richard H.
U Specimen known 664,301 December 18, 1900 Insulator
M-2795, top is flattened cone with vertical flange & detachable spout
STERLING, Richard H.
Insulator The Stanley Electric Mfg. Co.
 STETTINIUS, Kenneth E.
DEWEY, Benjamin F.
U 2,327,972 August 24, 1943 High Strength Ceramic Surface
Manufacturing method of using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,337,691)
STETTINIUS, Kenneth E.
DEWEY, Benjamin F.
Manufacturing Lapp Insulator Co., Inc.
U 2,337,691 December 28, 1943 Method of Making High Strength Ceramic Surfaces
Method of manufacturing insulators using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,327,972)
STETTINIUS, Kenneth E.
DEWEY, Benjamin F.
Manufacturing Lapp Insulator Co., Inc.
 STEVENS, Charles Whitney
U 1,848,501 March 8, 1932 Caster Base
Wood, cork, and felt support for piano legs
STEVENS, Charles Whitney
Piano  
 STEVENS, Frank J.
U 1,412,759 April 11, 1922 Cementless Strain Insulator
Suspension disks connected by circular clamps
STEVENS, Frank J.
Suspension Locke Insulator Corp.
U 1,931,626 October 24, 1933 Insulator
Threads molded from cement in finished insulator
STEVENS, Frank J.
Thread Locke Insulator Corp.
 STEVENS, Henry M.
U 631,234 August 15, 1899 Cleat for Electric Wiring
Cleat
STEVENS, Henry M.
Cleat 1/2 to The Pettingill Andrews Co.
 STEVENS, Leland J.
U 2,292,248 August 4, 1942 Bushing
Bushing composed of several parts with open chambers
STEVENS, Leland J.
Bushing Locke Insulator Corp.
 STEVENS, Leland James
U 2,093,875 September 21, 1937 Strain Insulator
Strain insulator for radio antennas
STEVENS, Leland James
Strain Locke Insulator Corp.
 STEVENS, Leland S.
U 1,977,957 October 23, 1934 Bus Bar and Bushing Connection
Connector to hold bus bar inside a bushing
STEVENS, Leland S.
Bushing Locke Insulator Corp.
 STEWARD, Demetrius M.
U 271,994 February 6, 1883 Electrical Insulator
Method of treating steatite to make artificial lava insulation
STEWARD, Demetrius M.
Lava  
U 816,270 March 27, 1906 Refractory Material for Electric Insulation and Other Purposes
Insulating material made of steatite and water glass known as artificial lava
STEWARD, Demetrius M.
Misc  
U 816,271 March 27, 1906 Process of Producing New Refractory Material for the Manufacture of Insulators and Other Uses
Insulating material made of steatite and water glass known as artificial lava
STEWARD, Demetrius M.
Misc  
 STEWART, Lory B.
U 2,219,727 October 29, 1940 Insulator Structure
Wireholder with multiple grooves and lag screw
STEWART, Lory B.
Wireholder 1/3 to Karl Thielscher
 STEWART, Lory B.
STEWART, Alvin J.
U 2,237,717 April 8, 1941 Insulator Structure
Wireholder with multiple grooves and lag screw
STEWART, Lory B.
STEWART, Alvin J.
Wireholder 1/3 to Karl Thielscher
 STEWART, JR., Samuel B.
U 723,062 March 17, 1903 Third Rail Insulator
Third rail insulator with ears that move in to secure the rail.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
U 771,334 October 4, 1904 Third Rail Insulator
U-shaped third rail insulator metal caps fitting over each part to support rails.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
U 808,222 December 26, 1905 Third Rail Insulator
Third rail insulator that fits in metal support and cemented metal cap to secure the rail.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
 STILLWELL, Lewis B.
D Specimen known 34,211 March 12, 1901 Design for an Insulating Support for Electric Conductors
U-966 (see 689,218)
STILLWELL, Lewis B.
Pin-type  
 STINSON, William L.
STROUP, Charles L.
U Specimen known 1,952,517 March 27, 1934 Insulator
Post type insulator with metal brackets bolted on with U-bolt to stack insulators or attach equipment
STINSON, William L.
STROUP, Charles L.
Post Type Jeffery-Dewitt Insulator Co.
 STINSON, William L.
U 1,976,418 October 9, 1934 Attachment for Insulators
Attachment for strain insulator
STINSON, William L.
Strain Jeffery-Dewitt Insulator Co.
 STOCKWELL, Millard E.
U 1,065,983 July 1, 1913 Insulator
Pin (metal) formed from sheet metal
STOCKWELL, Millard E.
Pin  
 STOECKEL, Albert L.
U 2,941,029 June 14, 1960 Preformed Tie for Fastening a Line Wire to an Insulator
Preformed tie wire and line reinforcement of hard drawn wire helix with loops in the ends of the tie wire loop portion for a hand tool to pull tie wire tight around the insulator
STOECKEL, Albert L.
Tie Wire United State Steel Corp.
 STOHL, Ludwig A.
D Specimen known 115,530 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)
STOHL, Ludwig A.
Knob Wisconsin Porcelain Co.
D 115,578 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)
STOHL, Ludwig A.
Knob  
 STONE, Amasa
U 13,402 August 7, 1855 Forming Screw Threads, etc., in the Necks of Glass Bottles and Similar Articles
Threads formed internally in necks of bottles and insulators
STONE, Amasa
Thread  
 STONE, Ross C.
U 295,073 March 11, 1884 Telegraph Wire Supporter
Split insulator that fits around conductor and connected to adjacent split insulator with tie-wire
STONE, Ross C.
Miscellaneous  
 STORROR, Leonard W.
U Specimen known 882,803 March 24, 1908 Insulator
CD 211
STORROR, Leonard W.
Insulator  
 STOTZ, Hugo
U 851,705 April 30, 1907 Insulator
Roof entry insulator
STOTZ, Hugo
Roof  
 STRAM, Charlie J.
U 587,614 August 3, 1897 Electric Wire Holder
Wireholder
STRAM, Charlie J.
Wireholder  
 STREET, Richard
U 106,426 August 16, 1870 Improvement in Clasps for Lightning Rods
A lightning rod holder made of two parts held together with a clip and point to drive into the building
STREET, Richard
Lightning Rod  
 STROH, William G.
U 730,805 June 9, 1903 Insulator
Self-tying slot top
STROH, William G.
Self-tying Slot Top  
 STRONG, Justin E.
U 2,056 April 19, 1841 Improvement in the Mode of Connecting the Rods of Lightning Conductors, Etc.
Lightning rod attached to building with a hook clip
STRONG, Justin E.
Lightning Rod  
 STRONG, M. Harrison
U 889,884 June 2, 1908 Insulator
Wireholder comprising two spools and metal holder
STRONG, M. Harrison
Wireholder 1/2 to Solomon E. Bronson
 STROUP, Charles L.
U 1,815,598 July 21, 1931 Insulating Member for High Tension Construction
Wooden shaft with metal fittings to insulate guy wires on high voltage transmission poles
STROUP, Charles L.
Wood  
U Specimen known 1,869,397 August 2, 1932 Insulator
Insulator with spiral or helical grooves to all rain to wash the surface better
STROUP, Charles L.
Spiral  
U 2,008,341 July 16, 1935 High Tension Insulator
Suspension disk with additional cement in pinhole with asphalt coating
STROUP, Charles L.
Suspension Jeffery-Dewitt Insulator Co.
U 2,008,342 July 16, 1935 Insulator
Suspension disk with metal spider cap over crown cemented in porcelain
STROUP, Charles L.
Suspension Jeffery-Dewitt Insulator Co.
 STUART, Harry J.
WOODMAN, David D.
U 636,081 October 31, 1899 Lightning Rod
Lightning rod and conductors with wind-powered current charging a battery to intermittently pass current through the system to aid in lightning protection
STUART, Harry J.
WOODMAN, David D.
Lightning Rod  
 STUBBINGS, Edwin L.
U 1,663,421 March 20, 1928 Line Breaker
Breaker insulator similar to guy strain
STUBBINGS, Edwin L.
Breaker  
 STUTSKE, William A.
TOROK, Julius J.
U 2,975,554 March 21, 1961 Press Mold and Method of Operation
Insulator press for CD 1049
STUTSKE, William A.
TOROK, Julius J.
Press Owens-Illinois Glass Co.
 STUTSKE, William A.
WOOD, JR., Frederick H.
U 3,019,559 February 6, 1962 Take-Out Apparatus for Glassware
Machine to remove glass block halves from machines
STUTSKE, William A.
WOOD, JR., Frederick H.
KI Kimble Glass Co.
 SULLIVAN, Eugene C.
TAYLOR, William C.
U 1,304,622 May 27, 1919 Heating Vessel
Production of glass baking dishes from Pyrex glass
SULLIVAN, Eugene C.
TAYLOR, William C.
Non-electrical Corning Glass Works
U Specimen known 1,304,623 May 27, 1919 Glass
Boro-silicate glass (Corning Pyrex glass)
SULLIVAN, Eugene C.
TAYLOR, William C.
Boron Corning Glass Works
 SUTTER, John H.
D 115,432 June 27, 1939 Design for a Hollow Glass Building Block
Square block design with quarter circle concave ridges
SUTTER, John H.
OI Owens-Illinois Glass Co.
D 151,797 November 16, 1948 Design for a Hollow Glass Building Block
Design for glass block
SUTTER, John H.
OI Owens-Illinois Glass Co.
D 151,798 November 16, 1948 Design for a Hollow Glass Building Block
Design for glass block
SUTTER, John H.
OI Owens-Illinois Glass Co.
D 151,799 November 16, 1948 Design for a Hollow Glass Building Block
Design for glass block
SUTTER, John H.
OI Owens-Illinois Glass Co.
U 2,738,838 March 20, 1956 Glass Block Ventiliating Device
Operable glass block vent
SUTTER, John H.
OI Owens-Illinois Glass Co.
 SUZUKI, Yoshihiro
KUTSUNA, Eiji
U 5,796,048 August 18, 1998 Insulator having Conductive Surface Coating to Prevent Corona Discharge
RFI coating
SUZUKI, Yoshihiro
KUTSUNA, Eiji
RFI NGK Insulators, Ltd.
 SWANSON, Hans
U 814,887 March 13, 1906 Insulator Attachment
Tie wire camming lever
SWANSON, Hans
Tie Wire  
 SWARTZ, Otto P.
U 1,186,862 June 13, 1916 Insulator
Knob
SWARTZ, Otto P.
Knob  
 SWEARINGEN, Walter E.
U 1,176,618 March 21, 1916 Insulator
Self-tying
SWEARINGEN, Walter E.
Self-tying Miscellaneous  
 SWEENEY, James M.
U 1,008,087 November 7, 1911 Insulator
Cleat - self-tying
SWEENEY, James M.
Cleat  
 SWENSON, John S.
U 1,127,696 February 9, 1915 Lightning Rod Low Top
Lightning rod attached to peak of roof with four feet
SWENSON, John S.
Lightning Rod Electra Lightning Rod Co.
U 1,128,261 February 9, 1915 Lightning Rod High Top
Lightning rod tripod attached to peak of roof and Y-connection for rod to conductor
SWENSON, John S.
Lightning Rod Electra Lightning Rod Co.
 SWENSON, John S.
STEHLIK, Frank E.
U 1,303,739 May 13, 1919 Lightning Rod
Tubular lightning rod with flat end that is folded around the conductor and secured with a screw
SWENSON, John S.
STEHLIK, Frank E.
Lightning Rod  
 SWIFT, Joseph H.
MAINTIEN, William F.
U 531,702 January 1, 1895 Cleat for Electric Wiring
Cleat - 2 piece
SWIFT, Joseph H.
MAINTIEN, William F.
Cleat  
 SWORTFIGER, George F.
U 887,358 May 12, 1908 Wall Bracket
Insulator pin bracket
SWORTFIGER, George F.
Bracket  
 SYNAR, Joseph
U 266,552 October 24, 1882 Insulator for Musical Instruments
Hollow glass insulator for piano legs
SYNAR, Joseph
Piano 2/3 to Henry B. Synar and John T. Synar
 TALLMAN, Oscar F.
U 2,150,995 March 21, 1939 Wire Bracket
Wireholder bracket with lag screw that allows bracket and insulator movement.
TALLMAN, Oscar F.
Bracket/wireholder James R. Kearney Corp.
 TAPLIN, Alvin
U 161,912 April 13, 1875 Improvement in Modes of Forming Sheet Metal Threaded Collars
Oil lamp collar
TAPLIN, Alvin
HU  
 TATEM, William A.
U 4,443,659 April 17, 1984 Glaze to Pin Connection for an Electrical Insulator with Embedded Metal Fitting
Suspension with semi-conducting glaze & conducting coating on cement
TATEM, William A.
Suspension Interpace Corp.
 TATOM, Isaac I.
U 139,436 May 27, 1873 Improvement in Insulators for Telegraph lines
Cylinder insulator held by threaded wooden pin bracket
TATOM, Isaac I.
Cylinder  
 TAUBOLD, John F.
U 805,169 November 21, 1905 Insulator and Wire Clamp
Self-tying clamping with lever (see 552,501)
TAUBOLD, John F.
Self-tying Miscellaneous  
 TAYLOR, Arch B.
LONG, Cornelia Taylor
SOHN, Archie C.
D 72,459 April 12, 1927 Design for a Bottle
Design for Bottle (Big Boy)
TAYLOR, Arch B.
LONG, Cornelia Taylor
SOHN, Archie C.
HU Taylor-Long Co.
 TAYLOR, Arch B.
D 78,667 May 28, 1929 Design for a Bottle
Design for Bottle (Billy Boy)
TAYLOR, Arch B.
HU  
 TAYLOR, Burnley
U 217,427 July 8, 1879 Improvement in Telegraph Insulators
Self-tying screw top
TAYLOR, Burnley
Self-tying Screw Top  
 TAYLOR, Edward L.
U 121,686 December 5, 1871 Improvement in Sounding Boards for Pianos
Support for piano comprised of three layers of wooden boards
TAYLOR, Edward L.
Piano  
 TAYLOR, John J.
U 1,937,731 December 5, 1933 Insulator
Pin for suspension disk
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 1,961,402 June 5, 1934 Insulator
Catenary trolley wire support composed of multiple insulator sections with cemented caps and internal threaded parts allowing them to be screwed together
TAYLOR, John J.
Catenary The Ohio Brass Co.
U 1,994,292 March 12, 1935 Insulator
Special design of pin for suspension insulator
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 1,997,439 April 9, 1935 Insulator
Special design of cemented pin and cap on pin-type insulator used to support electrical equipment
TAYLOR, John J.
Miscellaneous The Ohio Brass Co.
U 2,039,500 May 5, 1936 Process of Assembling Insulators
Method of assembling a multipart insulators with cemented metal pins and caps to reduce strain from cement expansion (see 1,997,439)
TAYLOR, John J.
Multipart The Ohio Brass Co.
 TAYLOR, John J.
BOVARD, Floyd D.
U 2,135,359 November 1, 1938 Suspension Insulator
Fog type suspension insulator
TAYLOR, John J.
BOVARD, Floyd D.
Fog Type The Ohio Brass Co.
 TAYLOR, John J.
U 2,135,360 November 1, 1938 Conductor Support
Clamp type with metal cemented to crown for holding cable
TAYLOR, John J.
Clamp Type The Ohio Brass Co.
U 2,135,362 November 1, 1938 Insulator
Fog type suspension insulator
TAYLOR, John J.
Fog Type The Ohio Brass Co.
U 2,142,422 January 3, 1939 Insulator and Method of Manufacturing the Same
Method of making station post insulators with hollow cavity and filling cavity with dry gas
TAYLOR, John J.
Insulator The Ohio Brass Co.
U 2,155,848 April 25, 1939 Insulator
Helical suspension & helical post type
TAYLOR, John J.
Helical The Ohio Brass Co.
U 2,162,288 June 13, 1939 Insulator
Suspension insulator with stepped rings to allow washing by rain and greater leakage length
TAYLOR, John J.
Suspension  
U 2,234,391 March 11, 1941 Method of Manufacturing Electric Insulators
Method of making station post insulators with metal caps
TAYLOR, John J.
Insulator The Ohio Brass Co.
U 2,275,208 March 3, 1942 Electrical Insulator
Method of applying RFI coating to suspension disk (see 1,661,823) (see 1,735,829) (see 2,154,387)
TAYLOR, John J.
RFI/suspension The Ohio Brass Co.
U 2,443,435 June 15, 1948 Insulator
Suspension, pin design to prevent expansion stress from corrosion
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 2,443,436 June 15, 1948 Insulator
Suspension with moisture resistant cushion at bottom of cap and pin
TAYLOR, John J.
Suspension The Ohio Brass Co.
 TAYLOR, John L.
D 114,352 April 18, 1939 Design for an Electric Insulator
Suspension insulator
TAYLOR, John L.
Suspension  
 TAYLOR, William C.
U 1,449,793 March 27, 1923 Glass and Process of Making Same
Boro-silicate glass made colorless by adding neodymium oxide
TAYLOR, William C.
Boron Corning Glass Works
 TEAGUE, Walter D.
D 112,746 December 27, 1938 Design for a Hollow Glass Building Block
Block design with wave design
TEAGUE, Walter D.
OI Owens-Illinois Glass Co.
 TELLER, Daniel W.
SAVAGE, William L.
U 70,132 October 22, 1867 Improvement in Telegraph Insulators
Slotted, flanged insulator in slot in crossarm
TELLER, Daniel W.
SAVAGE, William L.
Slotted Themselves and W. H. Hoag
 TERRY, William C.
U 882,979 March 24, 1908 Strain Insulator
Wood strain insulator with metal caps on each end and special eye to receive a hook
TERRY, William C.
Strain The MacAllen Co.
 TESLA, Nikola
U 1,266,175 May 14, 1918 Lightning Protector
Lightning rod elevated above the building with multiple downwardly curving points
TESLA, Nikola
Lightning Rod  
 THIRY, Leon
U 2,106,667 January 25, 1938 Mounting of Electric Insulators
Use of an elastic ring around pin to absorb tension and strain to prevent breaking insulator
THIRY, Leon
Pin  
 THOMAS, Cyril H.
U 1,388,217 August 23, 1921 Insulator
Metal cap to secure conductor to the top of the insulator
THOMAS, Cyril H.
Miscellaneous  
 THOMAS, George W.
U 788,120 April 25, 1905 Press for Plastic Material
Insulator press for forming the bottom shell and threaded pinhole of multipart porcelain insulators (Thomas blue jean seam impression in bottom skirt)
THOMAS, George W.
Press The R. Thomas & Sons Co.
U 806,717 December 5, 1905 High Voltage Insulator
Skirt (inner) cemented to insulator & extending to crossarm
THOMAS, George W.
Skirt The R. Thomas & Sons Co.
U 878,910 February 11, 1908 Die for Saggers and the Like
Metal dies for making saggers.
THOMAS, George W.
Sagger The R. Thomas & Sons Co.
 THOMAS, James
THOMAS, William R.
U 644,646 March 6, 1900 Insulator for Use on Electric Railways
Third rail insulator
THOMAS, James
THOMAS, William R.
Third Rail  
 THOMAS, James H.
U 136,191 February 25, 1873 Improvement in Insulators for Battery Cups
Battery insulator cup to collect moisture or acid
THOMAS, James H.
Battery 1/2 to A. G. Tomay
 THOMAS, Noah T.
U 1,860,791 May 31, 1932 Lighting Fixture
Porcelain lighting fixture.
THOMAS, Noah T.
Fixture The Hartford Faience Co.
U 1,947,118 February 13, 1934 Lighting Fixture
Porcelain lighting fixture
THOMAS, Noah T.
Fixture The Hartford Faience Co.
 THOMAS, Percy H.
U 1,250,387 December 18, 1917 Electric Insulator
Suspension made of several parts bolted together
THOMAS, Percy H.
Suspension  
U 1,273,015 July 16, 1918 Electric Insulator
Suspension made of several parts bolted together
THOMAS, Percy H.
Suspension  
U 1,326,307 December 30, 1919 Method of and Means for Supporting Electric Conductors
Rod type insulators used as suspension insulators for high voltage conductors.
THOMAS, Percy H.
Suspension  
U 1,373,576 April 5, 1921 Electric Insulator
Suspension insulator composed of several parts to withstand tension
THOMAS, Percy H.
Suspension  
U 1,520,984 December 30, 1924 Electric Insulator
Suspension insulator composed of several parts to withstand tension
THOMAS, Percy H.
Suspension Westinghouse Electric & Mfg. Co.
 THOMAS, Van A.
U 459,843 September 22, 1891 Insulator
Hanger knob
THOMAS, Van A.
Hanger 1/2 to Andrew Ross
U 463,587 November 17, 1891 Insulator Bracket
Bracket
THOMAS, Van A.
Bracket 1/2 to Andrew D. Ross
U 463,588 November 17, 1891 Insulator Bracket
Bracket
THOMAS, Van A.
Bracket 1/2 to Andrew D. Ross
 THOMPSON, George E.
U 1,150,907 August 24, 1915 Lightning Rod Terminal
Lightning rod ground terminal to keep the earth wet to improve conduction to ground
THOMPSON, George E.
Lightning Rod  
D 56,715 November 30, 1920 Design for a Ball for Lightning Rods and Barn Ventilators
Glass ball with spiralling and intersecting grooves on the surface
THOMPSON, George E.
Lightning Rod Ornament  
 THOMPSON, Thomas
U 963,830 July 12, 1910 Lightning Rod Construction
Lightning rod Y-shaped tubular support for points
THOMPSON, Thomas
Lightning Rod  
 THOMPSON, Warren Ray
U 974,207 November 1, 1910 Insulator Support
Bracket for 3-phase circuit using multipart insulator oriented in shape of >
THOMPSON, Warren Ray
Bracket H. M. Byllesby & Co.
 THOMS, Alexander P.
KELLER, Carl A.
U 2,050,510 August 11, 1936 Cable Saddle
Cable rack insulator for supporting heavy cables by simply laying the cable in the rack insulator.
THOMS, Alexander P.
KELLER, Carl A.
Cable Rack  
 TILGHMAN, Benjamin C.
U 108,408 October 18, 1870 Improvement in Cutting and Engraving Stone, Metal, Glass &c.
Method of sandblashing to cut or engrave
TILGHMAN, Benjamin C.
Engraving  
 TINSLEY, Addison B.
U 945,350 January 4, 1910 Insulator
Two part insulator fitted in the underside of the crossarm.
TINSLEY, Addison B.
Under Crossarm  
U 999,683 August 1, 1911 Insulator
Clamp type
TINSLEY, Addison B.
Clamp Type  
 TOEPFER, Walter J.
STUTSKE, William A.
U 2,863,260 December 9, 1958 Machine for Molding Glass Articles
Insulator press
TOEPFER, Walter J.
STUTSKE, William A.
Press Owens-Illinois Glass Co.
 TOEPFER, Walter J.
PRENDERGAST, John R.
U 2,909,004 October 20, 1959 Plunger Removal Chuck for Insulator Press
Insulator threading mandrel removal machine
TOEPFER, Walter J.
PRENDERGAST, John R.
Press Owens-Illinois Glass Co.
 TOMPKINS, Edward M.
U 893,285 July 14, 1908 Electric Cable Insulator
Terminal insulator providing a tight seal between conductor running down through the center of the insulator
TOMPKINS, Edward M.
Insulator  
 TOROK, Julius J.
U 2,383,090 August 21, 1945 Electric Insulator
Suspension insulator with improved cementing methods
TOROK, Julius J.
Suspension Corning Glass Works
U 2,953,483 September 20, 1960 Method and Apparatus for Applying Coatings to Selected Areas of Articles
Radio treatment process for CD 239
TOROK, Julius J.
RFI Owens-Illinois Glass Co.
U 3,003,287 October 10, 1961 Apparatus for Forming Glass Articles
Glass block and TV faceplate pressing machine
TOROK, Julius J.
KI Kimble Glass Co.
U 3,129,089 April 14, 1964 Forming Glass Articles
Press for glass blocks & TV faceplates
TOROK, Julius J.
OI Owens-Illinois Glass Co.
U 3,148,047 September 8, 1964 Press-Molding Machine With Heat Flow Control
TV Faceplate molding machine
TOROK, Julius J.
OI Owens-Illinois Glass Co.
U 3,202,498 August 24, 1965 Glass Forming Plunger
Glass press for TV faceplates and glass block
TOROK, Julius J.
OI Owens-Illinois Glass Co.
 TOTTEN, Robert C.
U 926,521 June 29, 1909 Method of Protecting Buildings from Lightning
Method of improving lightning protection by keeping the roof cool with air or water
TOTTEN, Robert C.
Lightning Rod System  
 TOWARD, Charles P.
U 565,944 August 18, 1896 Insulator Support
Pin
TOWARD, Charles P.
Pin  
 TRACY, John J.
U 586,700 July 20, 1897 Electric Line Insulator
Bracket for insulator on moveable (adjustable angle) base
TRACY, John J.
Bracket  
 TRAVIS, Charles L.
U 336,828 February 23, 1886 Insulator
Hanger for lamp
TRAVIS, Charles L.
Hanger  
 TREHARNE, Frederick G.
U 580,628 April 13, 1897 Insulator and Insulating Conduit or Tubing for Electrical Purposes
Composition insulator of asbestos and cement
TREHARNE, Frederick G.
Composition  
 TRELEAVEN, John
U 627,366 June 20, 1899 Insulator for Fastening Electric Wires
Knob - self-tying
TRELEAVEN, John
Knob Harry Painter and Christopher Turton
 TRIMBLE, William D.
U 503,778 August 22, 1893 Insulator for Electric Wires
Clamp type cylindrical 2 piece
TRIMBLE, William D.
Clamp Type  
U 527,254 October 9, 1894 Insulator
Cleat - 2 piece
TRIMBLE, William D.
Cleat  
 TRINGHAM, John Watson
U 296,485 April 8, 1884 Means for Supporting and Insulating Electrical Wires
Wedge block for side of pole or driven in hole in crossarm
TRINGHAM, John Watson
Wedge  
U 330,173 November 10, 1885 Means for Supporting Electrical Wires
Pin split with metal cap to hold wire
TRINGHAM, John Watson
Pin  
 TRUNNELL, Harold K.
U 2,667,530 January 26, 1954 Lead-in Wire Anchoring Fixture
Bracket attached to a building to support three lead in wires and allow the drop wires to enter the building through a weatherhead.
TRUNNELL, Harold K.
Bracket  
 TUFTS, JR., John R.
U 964,586 July 19, 1910 Insulator
Knob - self-tying
TUFTS, JR., John R.
Knob 1/2 to F. W. Clark
 TURNER, Edward S.
U 211,441 January 14, 1879 Improvement in Lightning Rod Couplings
Coupling for lightning rod that is cast in iron on the ends of the rods and provided with male and female threaded ends
TURNER, Edward S.
Lightning Rod Coupling  
U 215,028 May 6, 1879 Improvement in Weather Vanes
Metallic weather vane fitted with panes of colored glass in the tail
TURNER, Edward S.
Lightning Rod Ornament  
 TURNER, John P.
U 895,916 August 11, 1908 Lightning Rod Terminal
Lightning rod terminal with a broad compartment filled with charcoal to aid in conductivity
TURNER, John P.
Lightning Rod  
 TWIGGS, William R.
U Specimen known 798,235 August 29, 1905 Insulator
CD 141.7
TWIGGS, William R.
Insulator  
 UNDERWOOD, Alvah W.
U 732,665 June 30, 1903 Insulating System for Electric Transmission Circuits
Bracket to hold multiple insulators for high tension line
UNDERWOOD, Alvah W.
Bracket  
 UPTON, Francis R.
U 315,679 April 14, 1885 Lightning Conductor
Barbed wire conductor and netting array to protect buildings or tanks
UPTON, Francis R.
Lightning Rod  
 VAIL, Jonathan H.
U Specimen known 357,050 February 1, 1887 Lightning Protector for Electrical Conductors
Barbed wire as a conductor for lightning protection placed above the electrical conductors on poles
VAIL, Jonathan H.
Lightning  
 VALE, Theodore N.
U 279,289 June 12, 1883 Telegraph and Telephone Line
Use of copper wire instead of iron and crossarms between poles to keep the wires separated
VALE, Theodore N.
Miscellaneous  
 VAN ATTA, Cloyd A.
U 1,776,573 September 23, 1930 Insulator
Cementing treatment for a suspension insulator such that the cement will withstand temperature changes
VAN ATTA, Cloyd A.
Suspension Locke Insulator Corp.
U 1,778,176 October 14, 1930 Insulator
Suspension design using soft metal liner to prevent strain between cap and insulator
VAN ATTA, Cloyd A.
Suspension Locke Insulator Corp.
 VAN ATTA, Cloyd B.
U 1,832,157 November 17, 1931 Insulator
Suspension insulator pin that is coated and designed to prevent stress from temperature changes
VAN ATTA, Cloyd B.
Suspension Locke Insulator Corp.
U 2,043,523 June 9, 1936 Insulator
Suspension disk using metal malleable liner to aid cement expansion under the metal cap
VAN ATTA, Cloyd B.
Suspension Locke Insulator Corp.
 VAN CHOATE, S. F.
U Specimen known 47,141 April 4, 1865 Improvement in Insulators for Telegraphs
Bracket (wooden) with recessed bowl to hold ramshorn [Smithsonian]
VAN CHOATE, S. F.
Bracket  
 VAN ETTEN, Frank C.
U 1,013,241 January 2, 1912 Insulator
Clamp type
VAN ETTEN, Frank C.
Clamp Type  
 VAN LOON, Nicholas
U 188,444 March 13, 1877 Improvement in Lightning Rods
Lightning rod made of copper sheathed iron wire with several iron wires twisted and wrapped around it
VAN LOON, Nicholas
Lightning Rod  
U 190,391 May 1, 1877 Improvement in Lightning Rods
Lightning rod made of a central galvanized iron rod twisted around with several galvanized rods all soldered together then intertwined with strips of copper that are soldered to the core
VAN LOON, Nicholas
Lightning Rod  
 VAN TUYL, Thomas Oliver
U 3,444,314 May 13, 1969 Suspension Insulator Having a Cap With Internal Load Transmitting Surfaces
Suspension metal cap designed with steps to aid in holding cement on insulator
VAN TUYL, Thomas Oliver
Suspension  
 VARLEY, Cromwell F.
U 75,492 March 10, 1868 Improvement in Telegraph Poles
Wire wrapped pole and crossarms to carry leaking electricity to ground
VARLEY, Cromwell F.
Wire  
U Specimen known 75,815 March 24, 1868 Improvement in Insulators for Telegraphs
Earthenware insulator, cemented galvanized pin coated with paraffin (Brown p. 57)
VARLEY, Cromwell F.
Earthenware  
U 76,358 April 7, 1868 Improvement in Electric Telegraphs
Rubber in porcelain or glass shell; glazed shell; sharp drip edge; ears
VARLEY, Cromwell F.
Rubber  
U 76,960 April 21, 1868 Improvement in Insulators for Telegraphs
Oil, wax or rubber saturated insulator to improve same (Brown p. 57)
VARLEY, Cromwell F.
Oil  
 VARNEY, Theodore
U Specimen known 794,435 July 11, 1905 Thermal Cut-Out
Fuse holder (Westinghouse -- see photo)
VARNEY, Theodore
Fuse Holder Westinghouse Elec. & Mfg. Co.
U 946,623 January 18, 1910 Insulator for Electric lines
Metal cap cemented on crown to hold wire in crown or side groove
VARNEY, Theodore
Cap Westinghouse Electric & Mfg. Co.
 VAUPEL, Albert
U 1,590,457 June 29, 1926 Method of Testing Insulators
Manufacturing method of cutting a plastic insulator body to inspect it internally then put the parts back together before drying and firing
VAUPEL, Albert
Manufacturing Westinghouse Electric & Mfg. Co.
 VELAZQUEZ, Carlos M.
D 25,830 July 21, 1896 Design for an Insulator Bracket
Bracket (stirrup-shaped) for non-pintype insulator
VELAZQUEZ, Carlos M.
Bracket Charles H. Lockett
 VERES, Frank
U 3,089,051 May 7, 1963 Catadioptric Electroluminescent Glass Block
Glass Block with internal illumination
VERES, Frank
OI Owens-Illinois Glass Co.
U 3,166,687 January 19, 1965 Transparent Electroluminescent Cell and Glass Block
Glass Block with internal illumination
VERES, Frank
OI Owens-Illinois Glass Co.
 VERMA, Mandranjan
U 4,524,404 June 18, 1985 High Voltage Insulator Assemblage Having Specially Chosen Series Resistance
Suspension insulator that eliminates flashover due to dirty insulators
VERMA, Mandranjan
Suspension  
 VERMILYA, Leland D.
REYBURN, William S.
HUNTER, Edmund A. W.
U 92,551 July 13, 1869 Improvement in Lightning Rods
Star shaped lightning rod made of 4-edged angle iron with a sheet of copper pressed over the outer surface and then twisted (see reissue 8,429)
VERMILYA, Leland D.
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod  
 VERMILYA, Leland D.
U 176,820 May 2, 1876 Improvement in Lightning Rods
Lightning rod made by bending a strip of metal to form two right angle triangles placed back to back and twisted
VERMILYA, Leland D.
Lightning Rod 2/3 to Edwin Pickering and Barton Pickering
U 189,286 April 3, 1877 Improvement in Lightning Rods
Lightning rod of twisted sheet metal fitted with a serrated strip
VERMILYA, Leland D.
Lightning Rod 1/2 to Henry Webbert
 VERMILYA, Leland D.
REYBURN, William S.
HUNTER, Edmund A. W.
R 8,429 September 24, 1878 Improvement in Lightning Rods
Star shaped lightning rod made of 4-edged angle iron with a sheet of copper pressed over the outer surface and then twisted (see 92,551)
VERMILYA, Leland D.
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod Rights of Vermilya to Reyburn, Hunter, and Byron P. Moulton
 VERNOR, Thomas A.
U 1,492,496 April 29, 1924 Insulator and Transposition Device
Transposition insulator with internal channels to transpose the wires
VERNOR, Thomas A.
Transposition  
 VICKERS, Antrim L.
U 910,975 January 26, 1909 Cleat for Electric Wires
Cleat
VICKERS, Antrim L.
Cleat  
 VIGNERON, Charles
U 150,112 April 21, 1874 Improvement in Piano Forte Insulators
Glass cup to insulate a piano leg from sending musical vibrations to the floor
VIGNERON, Charles
Piano  
 VINCE, Patrick Michael
U 3,368,026 February 6, 1968 Electrical Insulator Having Improved Surface Electrical Stress Distribution
RFI prevention using two glaze coatings on suspension insulators
VINCE, Patrick Michael
RFI Doulton & Co., Ltd.
 VINCELL, Lafayette M.
U 1,257,769 February 26, 1918 Telephone Pole Cross Arm
Crossarm made of U-shaped metal channel iron fitted with knob insulators bolted to the crossarm. A lower crossarm is then bolted on its ends to the upper crossarm.
VINCELL, Lafayette M.
Crossarm  
 VINCENT, Harold B.
MCDAVITT, Murray
U 2,835,623 May 20, 1958 Method of Forming a Unitary Panel of Glass Blocks
Pre-assembled glass block windows and skylight panels
VINCENT, Harold B.
MCDAVITT, Murray
OI Owens-Illinois Glass Co.
 VINCENT, Harold Blanchard
SLEEMAN, Harold Parker
U 1,947,321 February 13, 1934 Arcing Horn for Insulators
Arcing horns for Hewlett or other suspension insulator string
VINCENT, Harold Blanchard
SLEEMAN, Harold Parker
Suspension The R. Thomas & Sons Co.
 VINCENT, Harvard B.
U 2,844,998 July 29, 1958 Glass Building Block Having Light Directing Properties
Glass block that directs light
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
U 2,861,392 November 25, 1958 Method of sealing TV tubes
Apparatus for Sealing Picture Tubes
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
 VOGELPHOL, Rol L.
U 3,119,681 January 28, 1964 Glass Forming Molds
Mold for Glass Blocks and TV Faceplates
VOGELPHOL, Rol L.
OI Owens-Illinois Glass Co.
 VOGLER, William
U 445,008 January 20, 1891 Insulator
Protective shield for trolley hanger insulator
VOGLER, William
Protective Shield  
 VON CRON, Hans
U 2,776,332 January 1, 1957 Self-Cleaning Outdoor High Tension Insulators
Spiral or helical side petticoats that are washed by rain
VON CRON, Hans
Spiral Siemens-Schuckertwerke Aktiengesellschaft
 VOSE, Fred C.
BURNIE, Glen
RUTH, Bernard W.
U 2,709,058 May 24, 1955 Insulator Support Rack
Secondary rack bracket with side tabs to receive screws or bolts.
VOSE, Fred C.
BURNIE, Glen
RUTH, Bernard W.
Bracket/secondary Rack General Electric Co.
 VROOMAN, Edward C.
U 1,976,378 October 9, 1934 Aviation Marker
Aviation warning light attached to a suspension insulator
VROOMAN, Edward C.
Misc Locke Insulator Corp.
U 2,003,225 May 28, 1935 Guy Insulating and Grading Means
Guy strain insulator for radio antenna guy wires
VROOMAN, Edward C.
Antenna Locke Insulator Corp.
U 2,056,813 October 6, 1936 Flux Distributing Insulator
Radio antenna strain insulator with metal ribs on the outside to control the electrostatic flux density
VROOMAN, Edward C.
Strain Locke Insulator Corp.
 WADDELL, William W.
U 53,201 March 13, 1866 Telegraph Insulator
Hook with glazed enamel at right angle to square pointed shank
WADDELL, William W.
Hook  
 WAGNER, Henry
U 880,343 February 25, 1908 Press Mold for Making Insulators
Insulator mold
WAGNER, Henry
Mold  
 WAGNER, Robert A.
SCHWEDTMANN, Ferdinand
U Specimen known 538,090 April 23, 1895 Electric Cut-Out
Fuse cut-out for transformer (see patent 552,680)
WAGNER, Robert A.
SCHWEDTMANN, Ferdinand
Fuse Holder  
U Specimen known 552,680 January 7, 1896 Electric Cut-Out and Insulator
Cut-out for transformer mounted on and integral to the transformer. (see patent 538,090)
WAGNER, Robert A.
SCHWEDTMANN, Ferdinand
Fuse Holder  
 WAHLBERG, Nils A.
U 1,645,266 October 11, 1927 Insulator Connector
Suspension disk pin connector and shield around it to compensate for electrostatic field
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
U 1,652,506 December 13, 1927 Link-Type Insulator
Suspension bell-shaped link type with special U-shaped cable links
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
U 1,730,180 October 1, 1929 Insulator
Suspension insulator made of cylindrical insulator and metal hoods on each end
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
 WAITE, John L.
U Specimen known 70,052 October 22, 1867 Improvement in Telegraph Insulators
Hook in insulating material inserted into crossarm (references Wade insulator) [Smithsonian]
WAITE, John L.
Hook  
 WALBERG, Nils A.
U 1,794,934 March 3, 1931 Insulator Connector
Bracket for strain insulator
WALBERG, Nils A.
Bracket Westinghouse Electric & Mfg. Co.
 WALCH, Gustav Theodor
U 508,068 November 7, 1893 Lightning Conductor
Strong, durable lightning rod easily attached to a building with conductor passing through the hollow casing (also patented in England, Switzerland, Belgium, Italy, Spain, France)
WALCH, Gustav Theodor
Lightning Rod  
 WALKER, Oral B.
U 1,032,715 July 16, 1912 Insulator
Crossarms formed from metal pipe with insulators molded on the metal pins
WALKER, Oral B.
Crossarm  
 WALKER, Robert H.
U 2,103,399 December 28, 1937 Insulator
Fog type suspension with top curved down over bottom petticoat that extends up inside the top part
WALKER, Robert H.
Fog The Ohio Brass Co.
 WALLACE, William H.
U 1,176,629 March 21, 1916 Tree Insulator and Wire Supporter
Tree hanger
WALLACE, William H.
Tree  
 WALLACE, William M.
U 264,379 September 12, 1882 Mode of Making Glass Screw Caps
Mode of making glass screw caps for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Jars 1/2 to Charles M. Rhodes
U 270,162 January 2, 1883 Mold for Forming Glass Screw Caps
Mold for making glass screw caps for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Jars Charles M. Rhodes
U 275,298 April 3, 1883 Manufacture of Glassware
Method of forming threads in mouth of jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Press  
U 278,472 May 29, 1883 Manufacturing Glass Articles
Method of making a screw top for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Press  
U 281,740 July 24, 1883 Glass Press
Glass press that can be adapted for insulator manufacture. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Press  
 WALTHER, William J.
U Specimen known 700,463 May 20, 1902 Insulator for Electric Circuits
CD 301, CD 321 & U-938 (Strengthening ribs skirt to petticoat)
WALTHER, William J.
Insulator  
 WARD, Frank D.
FURNISS, Harry C.
U 786,472 April 4, 1905 Insulator for the Conductors of Electric Railways
Third rail insulator (England; Ohio Brass) (Brown p. 75)
WARD, Frank D.
FURNISS, Harry C.
Third Rail 1/3 to Henry Bradford
 WARD, Henry H.
U 49,482 August 15, 1865 Improvement in Insulators for Telegraph Wires
Hook encased in insulating material with metal covering with dead air space
WARD, Henry H.
Hook S. F. Van Choate & Stuart Gwynne
 WARD, John W.
U 1,237,843 August 21, 1917 Insulator Support for Towers
An insulator to support radio antenna towers composed of a metal base and several porcelain sections that are cemented together.
WARD, John W.
Antenna Support Pittsburg High Voltage Insulator Co.
 WARD, Leonard
U 2,117,381 May 17, 1938 Insulator Cap
Tie wire replacement using a cap or collar that fits around the insulator to hold the line wire that can be installed from the ground
WARD, Leonard
Tie Wire  
 WARE, Henry Bowles
CORNELL, Chauncey Cortez
U Specimen known 651,680 June 12, 1900 Electric Battery Attachment
Ware battery rest
WARE, Henry Bowles
CORNELL, Chauncey Cortez
Battery  
 WARNER, Ernest P.
U 593,625 November 16, 1897 Insulated Hanger
Hanger insulator of glass or porcelain encased in metal for arc lamps
WARNER, Ernest P.
Hanger Western Electric Co.
 WARREN, Frederic A.
U 1,031,975 July 9, 1912 Mine insulator
Mine insulator
WARREN, Frederic A.
Mine  
U 1,175,849 March 14, 1916 Insulator Base
miscellaneous circular holder with metal support
WARREN, Frederic A.
Miscellaneous  
 WARREN, Pickett L.
U 2,336,324 December 7, 1943 Strain Insulator
A rod of wood as a guy strain insulator for transmission poles
WARREN, Pickett L.
Strain Royal Electric Mfg. Co.
 WARTENBERG, Erwin W.
U 3,093,508 June 11, 1963 Method of Coating Glass
Silicone coated glass that can be used for insulators
WARTENBERG, Erwin W.
Glass Coating  
 WATANABE, Akihiro
MORI, Shigeo
U 4,814,551 March 21, 1989 Anticorrosive Insulator
Suspension (anticorrosive), cementing metal cap for DC service (Japan)
WATANABE, Akihiro
MORI, Shigeo
Suspension NGK Insulators, Ltd.
 WATERMAN, Charles H.
D 44,117 May 27, 1913 Design for a Wiring Cleat
Wiring cleat
WATERMAN, Charles H.
Cleat  
 WATERS, James
U 735,429 August 4, 1903 Insulator Machine
Plunger for press
WATERS, James
Plunger  
 WATKINS, George E.
POND, Leander N.
U 2,893,542 July 7, 1959 Glass Working Machine
Glass press (references Hemingray press 588,795)
WATKINS, George E.
POND, Leander N.
Press Corning Glass Works
 WATKINS, Thomas H.
U 1,009,810 November 28, 1911 Insulator
Self-tying top groove with metal clip
WATKINS, Thomas H.
Self-tying Miscellaneous  
 WATSON, George B.
U 428,979 May 27, 1890 Electric Insulator
Blocks coated with composition material to support overhead lines for electric railway
WATSON, George B.
Composition The Gould & Watson Co.
 WATTS, Arthur S.
U 811,602 February 6, 1906 Mold for Plastic Materials
Press mold for forming insulators
WATTS, Arthur S.
Press The Locke Insulator Mfg. Co.
 WATTS, John Henry Charles
U 406,681 July 9, 1889 Lightning Rod
Coupling with flat resilent spring between the sections
WATTS, John Henry Charles
Lightning Rod Coupling  
 WAY, Sylvester B.
U Specimen known 928,010 July 13, 1909 Cross Arm Fitting and Insulator Support
Steel bracket that fits and clamps around the crossarm, specimens manufactured by St. Louis Malleable Casting Co., St. Louis, MO
WAY, Sylvester B.
Bracket  
 WEAVER, David
U 851,577 April 23, 1907 Cross Arm Pin
Steel pin with clips at the bottom to secure the pin and ribs at the top to prevent turning
WEAVER, David
Pin  
 WEAVER, Eugene M.
U 932,523 August 31, 1909 Insulator for Third Rails
Third rail insulator.
WEAVER, Eugene M.
Third Rail  
 WEBB, Timothy U.
U 11,539 August 15, 1854 Insulator for Lightning Rods
Lightning rod insulator (split circular) with metal screw bracket
WEBB, Timothy U.
Lightning Rod Insulator  
 WEBER, Walter C.
U 2,238,198 April 15, 1941 Insulator Press
Insulator press with multiple molds for pressing glass insulators
WEBER, Walter C.
Press Corning Glass Works
 WEBER, JR., August
U Specimen known 917,207 April 6, 1909 Insulator
Knob with offset screw
WEBER, JR., August
Knob August Weber, Sr.
 WEBSTER, George
U 526,472 September 25, 1894 Insulator for Electric Conductors
Knob - self-tying
WEBSTER, George
Knob 1/2 to Arthur Ingraham & Samuel Brown
 WEBSTER, William
U 39,853 September 8, 1863 Improvement in Closing Fruit Cans
Closure for fruit jar with metal locking bar
WEBSTER, William
HU  
U 41,657 February 16, 1864 Improvement in Closing Fruit Cans
Closure for fruit jar with metal locking bar
WEBSTER, William
HU  
 WECKERLE, Ferdinand
U 1,742,625 January 7, 1930 Process of Uniting by Sealing the Insulating Parts of High Tension Insulators
Cement of rubber used to cement multipart insulator
WECKERLE, Ferdinand
Cement Studiengesellschaft Fuer Wirtschaft U. Industrie, M. B. H.
 WEED, James Murray
U 838,482 December 11, 1906 Insulator for Line Conductors
Insulator formed with recesses for pipe pin and metal insert crown
WEED, James Murray
Insulator  
 WEICKER, William
U 992,462 May 16, 1911 Insulator
Shield acting as a roof over the insulator
WEICKER, William
Shield Porzellanfabrik Kahla, Filiale Hermsdorf Klosterlausnitz
 WEIKMAN, Augustus H.
U 601,454 March 29, 1898 Clamping Buckle for Electric Line Wires
Bail wire system for tie wire
WEIKMAN, Augustus H.
Bail Wire  
 WEILL, Robert
U 1,944,383 January 23, 1934 Oil Bath Insulator
Oil type insulator using oil cup attached to edge of insulator and protective cover attached to prevent contamination from fog or rain
WEILL, Robert
Oil  
 WEIMAR, Robert
U 1,712,860 May 14, 1929 Transposition Pin
Pin (metal) through crossarm for transposition
WEIMAR, Robert
Pin  
 WEIR, Charles S.
U 228,962 June 15, 1880 Musical Instrument Insulator
Glass insulator for piano legs
WEIR, Charles S.
Piano  
 WELCH, Walter J.
TRACY, Atlee H.
U 1,393,330 October 11, 1921 Electrical Insulator
Links for Hewlett suspension disks (see 1,110,934)
WELCH, Walter J.
TRACY, Atlee H.
Suspension H. M. Byllesby & Co.
 WELIN, Andrew J.
U 243,021 June 14, 1881 Lightning Rod Ornament
Lightning rod ornament consisting of a skeleton of metal wires in the shape of a ball
WELIN, Andrew J.
Lightning Rod Ornament  
 WELLS, Martin
U 79,618 July 7, 1868 Improvement in Pointed Brackets for Lightning Rods
Lightning rod brass supporting bracket with point attached
WELLS, Martin
Lightning Rod  
 WELLS, Warren A.
HOUSE, George
U 123,600 February 13, 1872 Improvement in Lightning Rods
Lightning rod made of soft iron flat on the back side and fluted on the front side then covered completely with sheet copper
WELLS, Warren A.
HOUSE, George
Lightning Rod  
 WELSH, Dwight F.
U 123,958 February 20, 1872 Improvement in Lightning Rods
Lightning rod made of sheet metal crimped multiple times and curved to a circle to form a hollow rod with multiple deep flutes
WELSH, Dwight F.
Lightning Rod  
 WENTWORTH, Fred W.
U 619,915 February 21, 1899 Tie-Wire or Clasp for Insulators
Tie wire clip
WENTWORTH, Fred W.
Tie Wire The Inventor's Novelty Mfg. Co.
 WERTS, William
U 270,526 January 9, 1883 Press for Molding Glass
Insulator press for molding glass or porcelain.
WERTS, William
Press  
 WEST, J. D.
U 99,381 February 1, 1870 Improvement in Lightning Rods
Square hollow lightning rod connected with square plug that fits inside the ends and secured by crimping with a punch
WEST, J. D.
Lightning Rod  
 WESTCOTT, Fred
U 362,801 May 10, 1887 Lightning Rod
Lightning rod a water tank with overflow pipes to ensure tank is full of water
WESTCOTT, Fred
Lightning Rod  
 WESTON, James H.
U 139,841 June 10, 1873 Improvement in Coupling Tubular Lightning Rods
Means of coupling tubular lightning rods
WESTON, James H.
Lightning Rod  
U 174,451 March 7, 1876 Improvement in Lightning Rods
Lightning rod ground point made of sheet copper arranged concave or fluted
WESTON, James H.
Lightning Rod  
U 185,272 December 12, 1876 Improvement in Couplings for Applying Weather Vane Pointers to Lightning Rods, &c.
Coupling to attach weather vane to the lightning rod
WESTON, James H.
Weathervane  
U 231,203 August 17, 1880 Lightning Rod Coupling
Screw coupling for ""star"" rods
WESTON, James H.
Lightning Rod Coupling  
 WEYMAN, George W.
U 310,484 January 6, 1885 Press for the Manufacture of Insulators and other Glass Articles
Press for making insulators
WEYMAN, George W.
Press 1/2 to Charles T. Weyman
 WHEALE, George
U 1,144,672 June 29, 1915 Fused Test Clamp Insulator
miscellaneous fused test clamp-insulator
WHEALE, George
Miscellaneous  
 WHEEER, Herbert H.
MCGINNIS, Orris
U Specimen known 2,165,773 July 11, 1939 Insulator for Communication Systems
CD 142, CD 142.4 - glass insert screwed in skirt with metallic iridizing
WHEEER, Herbert H.
MCGINNIS, Orris
Insulator Western Union Telegraph Co.
 WHEELER, George K.
U 448,395 March 17, 1891 Insulator
Suspension type (2-part wooden) for trolley wires
WHEELER, George K.
Suspension  
 WHEELER, Herbert H.
MCGINNIS, Orris
THORDARSON, William
U Specimen known 2,194,189 March 19, 1940 Pole Line Insulator
CD 142, CD 142.4 - tin & iron for iridized coating to reduce water adherence
WHEELER, Herbert H.
MCGINNIS, Orris
THORDARSON, William
Insulator Western Union Telegraph Co.
 WHEELER, Herbert H.
U 2,394,575 February 12, 1946 Transposition Bracket
Transposition bracket holding one insulator above the crossarm and one below
WHEELER, Herbert H.
Transposition Western Union Telegraph Co.
 WHEELER, Herbert H.
MARKLEY, William F.
U 2,526,917 October 24, 1950 Line Wire Spacer
Line wire spacer bracket for carrier circuits
WHEELER, Herbert H.
MARKLEY, William F.
Spacer Western Union Telegraph Co.
 WHISLER, George M.
U 1,997,666 April 16, 1935 Insulator
RFI multipart design with metal cap over crown with extension over coated area of top shell and metallic coating on each shell below cement joint
WHISLER, George M.
RFI Westinghouse Electric & Mfg. Co.
 WHITAKER, Alfred J. P.
TREHARNE, Frederick G.
U 566,045 August 18, 1896 Insulator for Electrical Purposes
Protective shield of metal with non-conducting enameled coating
WHITAKER, Alfred J. P.
TREHARNE, Frederick G.
Protective Shield  
 WHITE, Joseph J.
U 143,862 October 21, 1873 Improvement in Lightning Rods
Lightning rod with twisted flanges that is split on the ends where it fits snugly with the split in the adjoining rod with said joint secured with metal pins
WHITE, Joseph J.
Lightning Rod  
 WHITE, Leonard H.
U 2,016,470 October 8, 1935 Secondary Rack and the Process of Making Same
Simple secondary rack construction to reduce cost.
WHITE, Leonard H.
Bracket/secondary Rack Line Material Co.
 WHITE, Oren
U 19,819 March 30, 1858 Improvement in Lightning Conductors
Lightning rod made of iron wires wrapped with copper sheets
WHITE, Oren
Lightning Rod Henry C. Janes
 WHITE, Thomas C.
U Specimen known 822,642 June 5, 1906 Wood Strain Insulator
Wood strain insulator with metal caps on the ends
WHITE, Thomas C.
Strain  
D Specimen known 44,118 May 27, 1913 Design for an Insulator
Strain
WHITE, Thomas C.
Strain  
D Specimen known 45,172 January 20, 1914 Design for an Insulator
Strain
WHITE, Thomas C.
Strain  
 WHITMORE, Paul G.
U 2,372,995 April 3, 1945 Tap-Isolating Conductor Support
miscellaneous
WHITMORE, Paul G.
Miscellaneous  
 WIDMYER, James L.
U 1,361,948 December 14, 1920 Insulator
Pin with spring wire extending beyond edge of bottom pin hole
WIDMYER, James L.
Pin  
 WILCOCK, John Edward
U 2,602,269 July 8, 1952 Apparatus for Forming Undercut Sockets in a Material in a Hot Plastic State
Insulator press
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
 WILCOCK, John Edward
BAILLIE, Granville Hugh
U 2,602,270 July 8, 1952 Apparatus for Forming Undercut Sockets in a Material in a Hot Plastic State
Insulator press
WILCOCK, John Edward
BAILLIE, Granville Hugh
Press Pilkington Brothers Ltd.
 WILCOCK, John Edward
U 2,710,492 June 14, 1955 Apparatus for Forming Cavities in the Wall of a Socket of a Pin-Type Glass Insulator
Insulator press
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 3,185,558 May 25, 1965 Moulding Hollow Glass Articles
Press for forming the inner shape of glass articles such as a suspension insulator
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 3,185,560 May 25, 1965 Plural Piston Press Forming Apparatus
Press for forming the inner shape of glass articles such as a suspension insulator
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 3,416,909 December 17, 1968 Apparatus for Molding Glass Articles
Glass press that can be adapted for insulator manufacture
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
 WILGUS, William J.
SPRAGUE, Frank J.
U 908,180 December 29, 1908 Third Rail
Third rail insulator system (Ohio Brass)
WILGUS, William J.
SPRAGUE, Frank J.
Third Rail  
 WILLARD, Ben
D 28,981 July 5, 1898 Design for a Cap for Insulators
Third rail insulator metal cap
WILLARD, Ben
Third Rail General Electric Co.
U 606,830 July 5, 1898 Insulator
Third rail insulator mounted on a wooden block with metal cap on top to support the rail
WILLARD, Ben
Third Rail General Electric Co.
 WILLEM, Michel
U 3,923,570 December 2, 1975 Manufacture of Insulators
Method of cementing suspension insulators using thick cement and high intensity vibrations
WILLEM, Michel
Suspension Societe Europeene d'Isolateurs en Verre (SEDIVER)
 WILLIAMS, Joseph Thomas
U 1,564,918 December 8, 1925 Insulator Clamp
Clamp fitting in tie-wire groove to hold conductor
WILLIAMS, Joseph Thomas
Clamp  
 WILLIAMS, Mowry S.
U 507,299 October 24, 1893 Trolley Wire Insulator
Cylinder of wood used for trolley wire hanger
WILLIAMS, Mowry S.
Wood 1/2 to Stewart Worden
 WILLIAMS, Richard H.
U 2,297,600 September 29, 1942 Insulator Support
Steel pin for carrier circuits with threads coated with rubber
WILLIAMS, Richard H.
Pin The B. F. Goodrich Co.
 WILLIAMS, Roger A.
U 1,205,069 November 14, 1916 Insulator
Self-tying slot top
WILLIAMS, Roger A.
Self-tying Slot Top  
 WILLIAMS, William H.
U Specimen known 1,176,801 March 28, 1916 Insulator
Crossover block (see reissue 14,256 on 2-6-1917)
WILLIAMS, William H.
Crossover  
R Specimen known 14,256 February 6, 1917 Insulator
Crossover block (reissue of 1,176,801)
WILLIAMS, William H.
Crossover  
 WILLIAMSON, Charles
U 317,908 May 12, 1885 Electric Conductor for Wire Fence
Lightning protection for wire fence
WILLIAMSON, Charles
Lightning Rod Fence  
 WILLIS, George W.
U 1,022,993 April 9, 1912 Insulator
Insulator with external threads to be screwed into metal shield and entire unit screwed into underside of the crossarm
WILLIS, George W.
Insulator  
 WILLMS, Charles
U 572,285 December 1, 1896 Battery Cell
Battery cell
WILLMS, Charles
Battery  
 WILMOT, Samuel R.
U 159,007 January 19, 1875 Improvement in Lightning Rods
Lightning rod made of sheet metal formed with spiral-fluted sides with edges locking together and crimping the edges of the star wings to on each end of two sections to secure them together
WILMOT, Samuel R.
Lightning Rod  
 WILSON, James Leslie
U 1,509,074 September 16, 1924 Insulator
Self-tying clamp top
WILSON, James Leslie
Self-tying Miscellaneous  
 WILSON, James O.
U 708,188 September 2, 1902 Lightning Rod
Lightning rod system with better grounding to make it more sensitive to passing storm
WILSON, James O.
Lightning Rod  
 WILSON, John
U 336,276 February 16, 1886 Insulator for Telegraph Wires
miscellaneous - groove in crown for 2 or more wires of different size
WILSON, John
Miscellaneous  
U 346,971 August 10, 1886 Telegraph Insulator
Spout each end of groove for rain; barbed top groove; hole for tie wire
WILSON, John
Spout  
U 346,972 August 10, 1886 Telegraph Insulator
Self-tying via bolt in crown
WILSON, John
Self-tying Miscellaneous  
U 347,454 August 17, 1886 Telegraph Wire and Insulator Fastening
Self-tying with retainer for holding wire in groove
WILSON, John
Self-tying Miscellaneous  
U 349,022 September 14, 1886 Telegraph Wire and Insulator Fastening
Self-tying via a spiral of wire that fits in the top groove or notch holding the line wire within
WILSON, John
Self-tying Miscellaneous  
 WILSON, Leon T.
U 1,678,663 July 31, 1928 Insulator
Protective shield
WILSON, Leon T.
Protective Shield American Telephone & Telegraph Co.
U Specimen known 1,708,038 April 9, 1929 Low Loss Insulator
CD 176 (see June 1972 CJ p. 6)
WILSON, Leon T.
Insulator American Telephone & Telegraph Co.
U 1,710,756 April 30, 1929 Reduction of Attenuation Due to the Conductance Losses in Cross Arms and Insulator Pins
Reducing leakage on carrier circuits
WILSON, Leon T.
Carrier American Telephone & Telegraph Co.
U 1,927,106 September 19, 1933 Insulator
Carrier circuit insulator with metal skirt coated with insulating material
WILSON, Leon T.
Carrier American Telephone & Telegraph Co.
 WILSON, Robert M.
PHILLIPS, Goddie F.
U 2,468,907 May 3, 1949 Electric Fence Post
Electric fence composed of a rod and an easily adjustable insulator to hold the conductor
WILSON, Robert M.
PHILLIPS, Goddie F.
Fence  
 WILSON, Walter J.
U 1,013,250 January 2, 1912 Insulator Pin
Pin for mine insulator comprised of split sheet metal
WILSON, Walter J.
Pin  
 WILSON, William E.
U 1,208,874 December 19, 1916 Insulator
Self-tying
WILSON, William E.
Self-tying Miscellaneous  
 WINGARD, Charles L.
U 607,315 July 12, 1898 Insulator
Wall tube of two split pieces [Scientific American 8-6-1898]
WINGARD, Charles L.
Wall Tube 1/2 to Luella Wingard
 WINSLOW, George H.
U 517,634 April 3, 1894 Pin for Insulators
Pin for use with oil cup, CD 244 (see 524,659)
WINSLOW, George H.
Insulator  
U Specimen known 524,659 August 14, 1894 Insulator
Oil cup with means to support the cup from the insulator (see 517,634)
WINSLOW, George H.
Oil  
 WINSOR, Paul
U 780,316 January 17, 1905 Third Rail Insulator
Cylindrical third rail insulator with inner core of cement to secure the metal cap and metal support to the insulator.
WINSOR, Paul
Third Rail  
 WINTON, Henry D.
U 352,436 November 9, 1886 Electric Insulator
Strain type
WINTON, Henry D.
Strain  
U 352,437 November 9, 1886 Electric Insulator
Strain type
WINTON, Henry D.
Strain  
U 445,790 February 3, 1891 Insulator
Strain type with ramshorn ends
WINTON, Henry D.
Strain  
 WIRT, Charles
D 21,377 March 8, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,378 March 8, 1892 Design for an Insulator Bracket
Bracket for two insulators
WIRT, Charles
Bracket  
D 21,379 March 8, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,380 March 8, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,439 March 29, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,454 April 12, 1892 Design for an Insulator Bracket
Bracket for insulator
WIRT, Charles
Bracket  
D 21,455 April 12, 1892 Design for an Insulator Bracket
Bracket for two insulators
WIRT, Charles
Bracket  
U 488,046 December 13, 1892 Insulator
Strain type
WIRT, Charles
Strain  
U 1,040,971 October 8, 1912 Insulating Joint
miscellaneous - insulating joint
WIRT, Charles
Miscellaneous Wirt Electric Specialty
 WIRT, Herbert C.
U 448,703 March 24, 1891 Support for Electric Line Wires
Hanger insulator for trolley conductor
WIRT, Herbert C.
Hanger  
U Specimen known 477,980 June 28, 1892 Insulator
Knob (specimens made by Akron Marble & Toy Mfg. Co.)
WIRT, Herbert C.
Knob The Thomson-Houston Electric Co.
U Specimen known 518,301 April 17, 1894 Ceiling Cleat
Cleat - 2 piece
WIRT, Herbert C.
Cleat General Electric Co.
 WISEMAN, Thomas A.
U 1,100,859 June 23, 1914 Line Wire Fastener
Complicated tie wire replacement with cam lever on each side of the insulator to pull the tie wire tight
WISEMAN, Thomas A.
Tie Wire 1/2 to Robert T. Wiseman
 WISMER, George C.
U 1,562,817 November 24, 1925 Piano Glide
Glass shell with bottom made of polished hardwood to aid in moving piano and act as an insulator
WISMER, George C.
Piano  
 WISTNER, Harvey W.
U 870,486 November 5, 1907 Conducting Wire Support and Insulator
Split insulator with external threads to screw into hole in crossarm to hold line wire
WISTNER, Harvey W.
Miscellaneous  
 WITHYCOMBE, Frederick H.
U Specimen known 633,173 September 19, 1899 Insulator
CD 121 and CD 143 with external projections to absorb mechanical shock - horizontal ridges
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
U Specimen known 633,174 September 19, 1899 Insulator
CD 121 and CD 143 with external projections to absorb mechanical shock - spiral ridges
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
U Specimen known 633,175 September 19, 1899 Insulator
CD 121 and CD 143 with external projections to absorb mechanical shock - projections
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
U Specimen known 633,176 September 19, 1899 Insulator
CD 121 and CD 143 with external depressions to absorb mechanical shock
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
D Specimen known 31,798 November 7, 1899 Design for an Insulator
CD 143 with diagonal spiral ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
D Specimen known 31,799 November 7, 1899 Design for an Insulator
CD 121 and CD 143 with vertical ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
 WOOD, Fremont E.
U 401,095 April 9, 1889 Lightning Conductor for Wire Fences
Lightning rod connecting all strands of barbed wire fencing to ground to prevent lightning killing cattle which are standing near the fence
WOOD, Fremont E.
Lightning Rod Fence  
 WOOD, James J.
U Specimen known 736,049 August 11, 1903 Electric Fuse Box
Fuse cutout
WOOD, James J.
Fuse Holder  
 WOOD, Merritt L.
U Specimen known 71,564 November 26, 1867 Improvement in Telegraph Insulators
Metal shell lined with glass or porcelain with wooden pin and paraffin cavity
WOOD, Merritt L.
Metal 2/3 to S. Porter & L. M. Monroe
 WOOD, Montraville M.
U 545,620 September 3, 1895 Cleat for Electric Wires
Self tying cleat known as the ""Eureka""
WOOD, Montraville M.
Cleat  
U 779,828 January 10, 1905 Insulator Pin
Pin composed of bolt and threads formed in split metal tube
WOOD, Montraville M.
Pin General Electric Co.
 WOOD, William
U 568,060 September 22, 1896 Insulator
Cylindrical block in crossarm
WOOD, William
Cylinder  
 WOOD, William D.
U 665,986 January 15, 1901 Lightning Arrester
Metal lightning rod crest along the roof peaks connected to ground
WOOD, William D.
Lightning Rod Crest Henry B. Roach and William M. Potts
 WOODMANSEE, Fay
U Specimen known 927,701 July 13, 1909 Insulator Support
Pin bracket (metal) for insulator on crossarm
WOODMANSEE, Fay
Pin John Porter and Electric Service Supplies Co.
 WOODWARD, Theodore F.
U 196,733 October 30, 1877 Improvement in Forming Female Screw Threads in Glass Jars, Insulators, & c.
Method of forming female threads inside the neck of jars and insulators
WOODWARD, Theodore F.
Threads  
 WOOLBERT, Henry W.
U 666,586 January 22, 1901 Insulator
Insulator & crossarm (glass) reinforced with embedded metal wires
WOOLBERT, Henry W.
Insulator  
 WOOLLEY, Leonidas G.
U 293,612 February 12, 1884 Lightning Diffuser
Lightning rod with special bracket to hold the rod away from the building
WOOLLEY, Leonidas G.
Lightning Rod  
 WOOLSEY, Charles A.
U 595,827 December 21, 1897 Insulator Bracket
Clamp type composition insulator with top cable clamp
WOOLSEY, Charles A.
Clamp Type  
 WOOSTER, David
U 29,933 September 4, 1860 Improvement in Lightning Rods
Method of connecting hollow lightning rods
WOOSTER, David
Lightning Rod  
 WORTMANN, Adolf
U 2,947,802 August 2, 1960 Insulator with Cap in Socket
Pin covered with plastic cap to more securely hold the insulator on the pin
WORTMANN, Adolf
Pin  
 WRIGHT, Augustus
D 22,876 November 7, 1893 Design for an Insulator
Square flat insulator with large center hole and small hole in each corner
WRIGHT, Augustus
Misc  
 WRIGHT, Evans C.
U 783,348 February 21, 1905 Insulator
Knob - self-tying
WRIGHT, Evans C.
Knob 1/2 to Francis McHenry
 WRIGHT, Homer
U 301,946 July 15, 1884 Jug Top
Syrup jug top
WRIGHT, Homer
HU  
 WRIGHT, Joseph F.
U 496,081 April 25, 1893 Insulator
Insulator mounted in a slot in the crossarm and secured with a hinged latching cover
WRIGHT, Joseph F.
Insulator  
 WRIGHT, William H.
U 317,479 May 5, 1885 Insulator for Electric Wires
Insulator with corrugations (vertical) inside skirt
WRIGHT, William H.
Insulator  
 WRIGLEY, George
U 887,896 May 19, 1908 Tie Wire Clamp
Cable clamp to hold conductor in top groove of insulator consisting of two flat metal strips with eyelets on each end to receive the cable clamp
WRIGLEY, George
Cable Clamp  
 WYCHE, Daniel W.
U 1,041,937 October 22, 1912 Insulator Bracket
Cylinder split and held in a bracket
WYCHE, Daniel W.
Cylinder  
 WYMAN, Horace B.
U 518,907 April 24, 1894 Cleat for Supporting Conducting Wires for Electric Circuits
Cleat (hanger)
WYMAN, Horace B.
Cleat 1/2 to Albert Goodwin
 YANCEY, Edwin L.
U 132,615 October 29, 1872 Improvement in Lightning Rods
Lightning rod made of hollow or solid iron dipped several times in molten copper to coat entire surface with multiple layers
YANCEY, Edwin L.
Lightning Rod  
 YANDELL, John
U Specimen known 8,438 October 14, 1851 Improvement in Insulators for Telegraphs
CD 1012 & CD 1014, slotted glass tube mounted in a wooden bracket
YANDELL, John
Insulator  
 YARIAN, Charles E.
U 984,175 February 14, 1911 Lightning Rod
Means of directing rain water down into the ground tip and retain the water in the ground to aid in conduction of the current to ground
YARIAN, Charles E.
Lightning Rod  
 YARSLEY, Thomas G.
U 1,930,735 October 17, 1933 Terminal Mounting for Lighting Fixtures
Terminal mounting for lighting fixture.
YARSLEY, Thomas G.
Fixture The Harford Faience Co.
 YOUMANS, Salem L.
MCLAUGHLIN, James A.
U 1,188,599 June 27, 1916 Self-Tying Insulator
Cleat - self-tying
YOUMANS, Salem L.
MCLAUGHLIN, James A.
Cleat  
 YOUNG, George F.
U 954,490 April 12, 1910 Machine for Threading Porcelain Insulators
Machine to form threads in wet process porcelain
YOUNG, George F.
Thread Pittsburg High Voltage Insulator Co.
 YOUNG, Harry M.
U 2,213,425 September 3, 1940 Insulator Fastener
Knob and bracket pin
YOUNG, Harry M.
Knob Western Wire Products Co.
 YOUNG, Norton S.
U 2,680,332 June 8, 1954 Welding Glass Parts
Method of welding glass block and TV Tube halves together
YOUNG, Norton S.
OI Owens-Illinois Glass Co.
 ZACHHUBER, Franz
U 1,045,353 November 26, 1912 Insulator for Automatically Securing Conducting Wires
Self-tying miscellaneous non-pin type slot-top
ZACHHUBER, Franz
Self-tying Miscellaneous  
 ZERTUCHE, Emilio
U Specimen known 650,445 May 29, 1900 Insulator
Strain type with ""Z"" shaped groove
ZERTUCHE, Emilio
Strain  
 ZIEG, Joseph
U 1,147,065 July 20, 1915 Insulator Clamp and Bracket
Steel bracket and pin combination that fits around the crossarm
ZIEG, Joseph
Bracket  
 ZIESCHE, Otto Paul
U 1,729,532 September 24, 1929 Electrical Insulator
Cap and pin design for suspension insulator
ZIESCHE, Otto Paul
Suspension Hermsdorf-Schomburg-Isolatoren G. M. B. H.
 ZIMMERMAN, George
U 2,995,184 August 8, 1961 Gas Burner Structures
Gas Burner for welding glass blocks
ZIMMERMAN, George
OI Owens-Illinois Glass Co.
U 3,155,479 November 3, 1964 Centrifugal Molds and Method of Forming Hollow Articles
Glass TV Tube Molds
ZIMMERMAN, George
OI Owens-Illinois Glass Co.
 ZIMMERMAN, Willard P.
D 84,313 June 2, 1931 Design for a Bottle or Similar Article
Universal Home Bottle
ZIMMERMAN, Willard P.
HI Hemingray Glass Co.
D 99,102 March 24, 1936 Design for a Glass Building Block
Block design similar to Fleur-De-Lis
ZIMMERMAN, Willard P.
OI Owens-Illinois Glass Co.
D 104,127 April 13, 1937 Design for a Hollow Glass Building Block
Block design with medium bars
ZIMMERMAN, Willard P.
OI Owens-Illinois Glass Co.
 ZIMMERMAN, Willard P.
HOLMES, Minot K.
U Specimen known 2,094,287 September 28, 1937 Method of Manufacturing Multipart Glass Articles
Method to manufacture multiple glass objects (blocks, insulators, etc.)
ZIMMERMAN, Willard P.
HOLMES, Minot K.
Method Owens-Illinois Glass Co.
U 2,105,174 January 11, 1938 Method of Manufacturing Multipart Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,110,900 March 15, 1938 Building Block
Aluminum welding of blocks with aluminum foil
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,127,150 August 16, 1938 Method of Forming Hollow Glass Articles
Internal decorating of blocks prior to assembly
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,149,246 February 28, 1939 Method of Manufacturing Hollow Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
 ZURN, Charles M.
U 937,137 October 19, 1909 Machine for Producing Glass Insulators
Press for making glass insulators
ZURN, Charles M.
Press  

Total of 2.06 seconds