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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 markin
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  
 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 p
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.
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  
 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
 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 ang
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 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 1,176,137 March 21, 1916 Insulator Bracket
Bracket, metal with detachable pins
ETTE, Charles G.
Bracket 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.
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, 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, 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 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.
 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 Hem
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