Search the Insulator Patent Reference Library:

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

Total of 3155 patents found where:

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

T / S Patent Date Description Patentee Category Assigned To
 Wolverine Bottling Works
D 65,872 October 28, 1924 Design for a Bottle
Design for Bottle (Wolverine)
SINGER, Julius M.
HU Wolverine Bottling Works
 Wisconsin Porcelain Co.
D Specimen known 115,530 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)
STOHL, Ludwig A.
Knob Wisconsin Porcelain Co.
 Wisconsin Iron and Wire Works
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
 Wirt Electric Specialty
U 1,040,971 October 8, 1912 Insulating Joint
miscellaneous - insulating joint
WIRT, Charles
Miscellaneous Wirt Electric Specialty
 Winslow Baker
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
 Wilton S. Bloes
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
 Williams, 1/4 to James King
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
 William Quigg
U 944,259 December 28, 1909 Insulator
Self-tying miscellaneous
DENNLER, August G.
Self-tying Miscellaneous 1/3 to William Quigg
 William P. Thompson
U 298,593 May 13, 1884 Insulator
Washer around pin in pinhole
LEWIS, Joseph Slater
Washer 1/2 to William P. Thompson
U 298,594 May 13, 1884 Terminal Insulator
Spool (skirted) with bracket to act as terminal wire support
LEWIS, Joseph Slater
Spool 1/2 to William P. Thompson
 William M. Leatherman
U 974,396 November 1, 1910 Lightning Rod
Lightning conductor composed of a water-retaining fibrous cored covered by a helical winding with a braided wire covering
KRESS, Edward J.
Lightning Rod William M. Leatherman
 William I. Lourie
U 1,226,795 May 22, 1917 Insulator Press
Insulator press
NEWBY, William
Press William I. Lourie
 William Hubbard
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
 William Brookfield
U 128,280 June 25, 1872 Improvement in Glass Presses
Press for making insulators
BROOKE, Aries P.
Press William Brookfield
U 275,984 April 17, 1883 Press and Mold for Molding Glass
Press for making insulators
BROOKE, Aries P.
Press William Brookfield
U Specimen known 316,812 April 28, 1885 Telegraph Insulator
CD 119, self-tying via projections (347,635 more appropriate)
O'BRIEN, John
Insulator William Brookfield
U Specimen known 347,635 August 17, 1886 Telegraph Insulator
CD 119, self-tying with fingers (should use instead of 316,812)
O'BRIEN, John
Insulator William Brookfield
U 416,703 December 3, 1889 Glass Furnace
Glass furnace
PEASE, Jacob
Furnace 1/2 to William Brookfield
U 419,875 January 21, 1890 Screw Press for Insulators
Press for making insulators
PEASE, Jacob
Press William Brookfield
U 477,447 June 21, 1892 Apparatus for Finishing the Edges of Glass Vessels
Apparatus for finishing the edges of glass vessels
PEASE, Jacob
Apparatus 1/2 to William Brookfield
U 532,973 January 22, 1895 Screw Press for Forming Insulators
Press for making insulators
KRIBS, Seraphin
Press William Brookfield
U 542,565 July 9, 1895 Press for Making Screw Insulators
Press for making insulators
KRIBS, Seraphin
Press William Brookfield
U 596,651 January 4, 1898 Press for Making Insulators
Press for making insulators
BROOKFIELD, Henry M.
Press William Brookfield
U 596,652 January 4, 1898 Press for Making Insulators
Press for making insulators
BROOKFIELD, Henry M.
KRIBS, Seraphin
Press William Brookfield
U 596,682 January 4, 1898 Press for Making Insulators
Press for making insulators
KRIBS, Seraphin
Press William Brookfield
 Whitall Tatum Co.
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.
U 2,052,343 August 25, 1936 Plastic Forming Apparatus
Insulator press
DU BOIS, David Irvin
Press Whitall Tatum Co.
 Wheeling Tile Co.
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.
 Wheeler Reflector Co.
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.
 Westinghouse Electric Corp.
U 2,389,386 November 20, 1945 Glazed Ceramic
Compression glaze
RUSSELL, JR., Ralston
Glaze Westinghouse Electric Corp.
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.
 Westinghouse Electric & Mfg. Co.
U 541,459 June 25, 1895 Combined Insulator and Fuse Holder
Glass insulator which holds a fuse protected from the weather.
SCOTT, Charles F.
DAVIS, Harry P.
Fuse Holder Westinghouse Electric & Mfg. Co.
U 946,623 January 18, 1910 Insulator for Electric lines
Metal cap cemented on crown to hold wire in crown or side groove
VARNEY, Theodore
Cap Westinghouse Electric & Mfg. Co.
U 1,010,077 November 28, 1911 Strain Insulator
Wood strain insulator with metal caps and eyelet on one end
SCHAAKE, William
Strain Westinghouse Electric & Mfg. Co.
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.
D Specimen known 46,451 September 22, 1914 Design for an Insulator
Strain
SCHAAKE, William
Strain Westinghouse Electric & Mfg. Co.
U 1,129,520 February 23, 1915 Insulating Body for Electrical Apparatus
Multipart, theory to shape insulator to conform to electrical fields (typical spelling is FORTESCUE, Charles Le G.) (see 1,259,385)
RANDALL, Karl C.
FARNSWORTH, Sidney W.
FORTESCUE, Charles Le Geyt
Multipart Westinghouse Electric & Mfg. Co.
U 1,159,798 November 9, 1915 Insulating Tube
Tubes (insulating) made by winding long strips of paper (machine for making)
REYNDERS, Arthur B.
Wall Tube Westinghouse Electric & Mfg. Co.
U 1,168,031 January 11, 1916 Suspension Type Insulator
Suspension bell-shaped insulators
RANDALL, Karl C.
Suspension Westinghouse Electric & Mfg. Co.
U 1,191,186 July 18, 1916 Insulator
Multipart insulator composed of easily assembled identical shells
JACKSON, Ray P.
Multipart Westinghouse Electric & Mfg. Co.
U 1,192,690 July 25, 1916 Insulator Supporting Structure
Pin (metal) for mounting on crossarm in combination with a threaded thimble
SCHAAKE, William
Pin Westinghouse Electric & Mfg. Co.
U 1,198,131 September 12, 1916 Insulator
Method of cementing and attaching nested porcelain shells
JACKSON, Ray P.
  Westinghouse Electric & Mfg. Co.
U 1,198,137 September 12, 1916 Insulator
Suspension insulator with an outer covering of spun steel or iron.
LINCOLN, Paul M.
Suspension Westinghouse Electric & Mfg. Co.
U 1,217,508 February 27, 1917 Insulator
Strain and suspension with special metal links for superior strength
SCHAAKE, William
Strain/suspension Westinghouse Electric & Mfg. Co.
U 1,236,668 August 14, 1917 Insulator Clamping Device
Clamp for crown of large insulator
BROWN, James M.
Clamp Westinghouse Electric & Mfg. Co.
U 1,241,528 October 2, 1917 Insulator
Suspension with shells nested together by means of external threads
LINCOLN, Paul M.
Suspension Westinghouse Electric & Mfg. Co.
U 1,248,498 December 4, 1917 Suspension Device for Insulators
Suspension pin to link disks
JACKSON, Ray P.
SCHAAKE, William
Suspension Westinghouse Electric & Mfg. Co.
U Specimen known 1,249,820 December 11, 1917 Insulator
Composition insulator with side cable clamp
PHARO, Harry A.
SCHAAKE, William
Composition Westinghouse Electric & Mfg. Co.
U 1,259,385 March 12, 1918 Suspension Insulator
Suspension insulator (see 1,129,520)
FORTESCUE, Charles Le G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,286,010 November 26, 1918 Suspension Device
Suspension pin to link disks
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,296,587 March 4, 1919 Insulator
Clamp for crown of large insulator to resist strain of curves
SCHAAKE, William
Clamp Westinghouse Electric & Mfg. Co.
U 1,303,324 May 13, 1919 Electric Insulator
Suspension tubular insulator with flanged top metal cap and bottom metal cap
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,363,673 December 28, 1920 Insulator
Suspension with internal ribbed cap and ribbed pin to improve cement joint
SCHAAKE, William
Suspension Westinghouse Electric & Mfg. Co.
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.
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 1,488,474 April 1, 1924 Machine for Molding Insulators
Press and molding machine for porcelain insulators
BURNS, James A.
Press Westinghouse Electric & Mfg. Co.
U 1,520,984 December 30, 1924 Electric Insulator
Suspension insulator composed of several parts to withstand tension
THOMAS, Percy H.
Suspension Westinghouse Electric & Mfg. Co.
U 1,555,289 September 29, 1925 Insulator
Strain insulator connecting hardware
JACKSON, Ray P.
Strain Westinghouse Electric & Mfg. Co.
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.
U 1,578,526 March 30, 1926 Insulator
Suspension string composed of multiple porcelain disks with a hook-like link on top and bottom to allow them to be quickly strung together
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,590,457 June 29, 1926 Method of Testing Insulators
Manufacturing method of cutting a plastic insulator body to inspect it internally then put the parts back together before drying and firing
VAUPEL, Albert
Manufacturing Westinghouse Electric & Mfg. Co.
U 1,599,580 September 14, 1926 Insulator
Multipart insulator with bowl underneath to balance electrical field
MILLER, Frederick H.
Multipart Westinghouse Electric & Mfg. Co.
U 1,602,873 October 12, 1926 Support for Electrical Fixtures
Bus bar support for top of insulator
ANSINGH, Herman K.
Bus Bar Westinghouse Electric & Mfg. Co.
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.
U 1,621,016 March 15, 1927 Method of and Means for Coating Inner Surfaces of Hollow Bodies
Manufacturing method of spraying gummy coating to the inside of the cement joint of an insulator
JACKSON, Ray P.
Manufacturing Westinghouse Electric & Mfg. Co.
U 1,622,648 March 29, 1927 Insulator
Suspension similar to Hewlett with uniform thickness of porcelain
JACKSON, Ray P.
Suspension Westinghouse Electric & Mfg. Co.
U 1,637,374 August 2, 1927 Insulator
Suspension, tubular with ribs and cap on both ends
FORTESCUE, Charles Le G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,645,266 October 11, 1927 Insulator Connector
Suspension disk pin connector and shield around it to compensate for electrostatic field
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
U 1,652,506 December 13, 1927 Link-Type Insulator
Suspension bell-shaped link type with special U-shaped cable links
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
U 1,664,208 March 27, 1928 Insulator
Suspension fog-type with ceramic covered wood/fiber connecting tube
GILCHREST, George Irving
Suspension Westinghouse Electric & Mfg. Co.
U 1,669,529 May 15, 1928 Insulator
Suspension fog-type with wood strain insulator for connecting to another insulator
MILLER, Frederick H.
Suspension Westinghouse Electric & Mfg. Co.
U 1,677,346 July 17, 1928 Insulator
Fogbowl suspension
JACKSON, Ray P.
Fog Type Westinghouse Electric & Mfg. Co.
U 1,684,066 September 11, 1928 Insulator
Suspension with metal and porcelain shaped to conform with electric field
MINOR, Douglas F.
Suspension Westinghouse Electric & Mfg. Co.
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 1,725,097 August 20, 1929 Insulator Structure
Metal parts of suspension insulators are coated with rubber or resin to help prevent or reduce flashover
NAYLOR, William K.
Suspension Westinghouse Electric & Mfg. Co.
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 1,730,170 October 1, 1929 Insulator
Design with metal pin and metal projections to prevent arc-over
SMITH, Harold B.
Suspension Westinghouse Electric & Mfg. Co.
U 1,730,171 October 1, 1929 Insulator
Design with metal pin and metal projections to prevent arc-over
SMITH, Harold B.
Suspension Westinghouse Electric & Mfg. Co.
U 1,730,180 October 1, 1929 Insulator
Suspension insulator made of cylindrical insulator and metal hoods on each end
WAHLBERG, Nils A.
Suspension Westinghouse Electric & Mfg. Co.
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.
U 1,768,948 July 1, 1930 High Voltage Insulator
Suspension insulator
BAUM, Frank G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,782,790 November 25, 1930 Insulator
Strain insulator composed of a wooden strain sealed inside porcelain tubular shell that is filled with non-conducting oil
MILLER, Frederic H.
JACKSON, Ray P.
Strain Westinghouse Electric & Mfg. Co.
U 1,794,934 March 3, 1931 Insulator Connector
Bracket for strain insulator
WALBERG, Nils A.
Bracket 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 1,811,530 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.
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 1,852,093 April 5, 1932 Article of Manufacture and Process of Making It
RFI metallic coating and process of applying it to porcelain insulators
SMEDE, Lloyd
SHAND, Errol B.
RFI Westinghouse Electric & Mfg. Co.
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.
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.
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.
U 1,973,076 September 11, 1934 Insulator
RFI: coat crown with gold, platinum, bismuth & semi-conductive area
HUNT, Marsden H.
RFI Westinghouse Electric & Mfg. Co.
U 1,987,683 January 15, 1935 Insulator
RFI: coat crown with copper glaze to prevent AM radio interference
HUNT, Marsden H.
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
U 1,997,666 April 16, 1935 Insulator
RFI multipart design with metal cap over crown with extension over coated area of top shell and metallic coating on each shell below cement joint
WHISLER, George M.
RFI Westinghouse Electric & Mfg. Co.
U 1,997,688 April 16, 1935 Insulator
RFI: coat crown with copper glaze to prevent radio interference
HUNT, Marsden H.
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
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 2,301,939 November 17, 1942 Production of Ceramic Bodies
Press to make a very dense porcelain body. It is neither wet process nor dry process porcelain. The product was called ""Prestite"" porcelain.
FISCHER, Eugene H.
Press Westinghouse Electric & Mfg. Co.
U 2,329,114 September 7, 1943 Coating Ceramic Articles
Glazing a porcelain insulator by spraying a uniform coating on the surface
FISCHER, Eugene H.
Manufacturing Westinghouse Electric & Mfg. Co.
U 2,333,557 November 2, 1943 Coating of Insulators
Machine for applying a RFI coating on insulators (see 1,973,076) (see 1,997,686) (see 1,997,688) (see 2,422,537)
FISCHER, Eugene H.
RFI Westinghouse Electric & Mfg. Co.
U 2,361,240 October 24, 1944 Electrical Apparatus
Fuse cut-out made with wet process porcelain.
RAWLINS, Herbert L.
FISCHER, Eugene F.
Cut-out Westinghouse Electric & Mfg. Co.
 Westinghouse Elec. & Mfg. Co.
U Specimen known 794,435 July 11, 1905 Thermal Cut-Out
Fuse holder (Westinghouse -- see photo)
VARNEY, Theodore
Fuse Holder Westinghouse Elec. & Mfg. Co.
 Westhinghouse Electric Corp.
U 2,434,555 January 13, 1948 Electrical Insulator
Method of soldering metal fittings on porcelain bushings made of ""Prestite"".
FISCHER, Eugene H.
HARNISH, John D.
RUSSELL, JR., Ralston
Manufacturing Westhinghouse Electric Corp.
 Western Wire Products Co.
U 2,213,425 September 3, 1940 Insulator Fastener
Knob and bracket pin
YOUNG, Harry M.
Knob Western Wire Products Co.
 Western Union Telegraph Co.
U 1,744,566 January 21, 1930 Ground Resistance Test Set
Portable instrument to measure electrical ground resistance
MOTT, Everett V.
ROVERE, Lewis H.
ROWLAND, Davidge H.
Testing Western Union Telegraph Co.
U Specimen known 2,099,540 November 16, 1937 Insulator Shield
Metal skirt on CD 154
SMITH, Donald H.
Insulator Western Union Telegraph Co.
U Specimen known 2,165,773 July 11, 1939 Insulator for Communication Systems
CD 142, CD 142.4 - glass insert screwed in skirt with metallic iridizing
WHEEER, Herbert H.
MCGINNIS, Orris
Insulator Western Union Telegraph Co.
U Specimen known 2,194,189 March 19, 1940 Pole Line Insulator
CD 142, CD 142.4 - tin & iron for iridized coating to reduce water adherence
WHEELER, Herbert H.
MCGINNIS, Orris
THORDARSON, William
Insulator Western Union Telegraph Co.
U Specimen known 2,218,497 October 15, 1940 Electrical Insulator
Rubber pin type insulator (see 2,304,483)
SMITH, Donald H.
WHEELER, Herbert H.
Rubber Western Union Telegraph Co.
U Specimen known 2,304,483 December 8, 1942 Electrical Insulator
Rubber pin type insulator
SMITH, Donald H.
WHEELER, Herbert H.
Rubber Western Union Telegraph Co.
U 2,394,575 February 12, 1946 Transposition Bracket
Transposition bracket holding one insulator above the crossarm and one below
WHEELER, Herbert H.
Transposition Western Union Telegraph Co.
U 2,526,917 October 24, 1950 Line Wire Spacer
Line wire spacer bracket for carrier circuits
WHEELER, Herbert H.
MARKLEY, William F.
Spacer Western Union Telegraph Co.
U 2,623,094 December 23, 1952 Resiliently Mounted Spool Type Insulator
Rubber bushing for mounting Case type & rack type spool insulators
MARKLEY, William F.
Rubber Western Union Telegraph Co.
U Specimen known 3,061,667 October 30, 1962 Telegraph Pole Line Insulator
Rubber pin type insulator (Brown p. 91)
MARKLEY, William F.
SLATER, James L.
Rubber Western Union Telegraph Co.
 Western Electric Co.
U 279,274 June 12, 1883 Binding Post
Knob with grooves to wrap line wire around
PATTERSON, William R.
Knob Western Electric Co.
U 593,625 November 16, 1897 Insulated Hanger
Hanger insulator of glass or porcelain encased in metal for arc lamps
WARNER, Ernest P.
Hanger Western Electric Co.
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.
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.
 Wesley J. Mast
U 367,348 July 26, 1887 Lightning Rod Brace
Lightning rod tripod stand by twisting metal rods and forming two eyes to hold insulators with lightning rod passing through
MAST, L. Lavake
Lightning Rod Stand 1/2 to Wesley J. Mast
 Walter Stevens
U 888,154 May 19, 1908 Insulator
Clamp type
FRIEND, Howard
Clamp Type 1/2 to Walter Stevens
 Wallace B. Howard and Alex Staggs
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
 Wallace & Sons
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
 Waldo R. Eaton
U 193,212 July 17, 1877 Improvement in Oil Cans
Glass lined oil can
BARTELS, William H.
HU 1/2 to Waldo R. Eaton
 W. Parker & J. Finn
U Specimen known 744,631 November 17, 1903 Insulator
CD 139 combination safety and CD 181.5
SCHOENTHALER, Edward F.
Insulator 2/3 to W. Parker & J. Finn
 W. N. Matthews & Brother Inc.
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.
 W. Leon Sell/Ernest E. Pettit/R. Don Sell
U 4,047,279 September 13, 1977 Upgrading Current Distribution Insulators
Miscellaneous insulator with male screw to receive existing insulator for upgrading
PETTIT, Ernest E.
Miscellaneous W. Leon Sell/Ernest E. Pettit/R. Don Sell
 W. Bennett & D. Murrell
U 575,952 January 26, 1897 Insulator
Ball insulator fit in hole in bottom of crossarm
HOOVER, Frank
Ball 2/3 to W. Bennett & D. Murrell
 W. A. Snapp
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
 Vine, Jackson, Gridley
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
 Victor Insulators, Inc.
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.
U 2,281,173 April 28, 1942 Insulator and Method of Producing Conducting Coating Thereon
RFI prevention using an inexpensive glaze coating
SANTOMIERI, Sebastian L.
RFI Victor Insulators, Inc.
 Verreries Charbonneaux
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
 United States Steel Corp.
U 2,911,695 November 10, 1959 Tie for Fastening a Line Wire to an Insulator
Tie wire using a preformed helical wire with tie wire loop crimped several times to make points of contact with the insulator and secured in place with an interlocking clip
KNIGHT, Robert D.
MELVILLE, Thomas
Tie Wire United States Steel Corp.
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.
 United State Steel Corp.
U 2,941,029 June 14, 1960 Preformed Tie for Fastening a Line Wire to an Insulator
Preformed tie wire and line reinforcement of hard drawn wire helix with loops in the ends of the tie wire loop portion for a hand tool to pull tie wire tight around the insulator
STOECKEL, Albert L.
Tie Wire United State Steel Corp.
 Trenton Porcelain Co.
U Specimen known 1,147,498 July 20, 1915 Divided Insulator
Reversible nail-knob
FREEMAN, Edgar H.
Knob Trenton Porcelain Co.
 Transadean Associates, Inc.
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 2,717,274 September 6, 1955 Transposition Bracket
Transposition bracket
CASE, Rogers
Transposition Transadean Associates, Inc.
U 3,118,967 January 21, 1964 Transposing Device
Unusual circular transposition insulator device
ROSENVOLD, Carl
Transposition Transadean Associates, Inc.
 Thomas Scott
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
 Thomas O. Moloney
U 1,221,893 April 10, 1917 Safety Repair Device for High Voltage Transmission Lines
Clamp to hold conductor to insulator while repairs are made
NEELEY, George S.
Clamp 1/2 to Thomas O. Moloney
 Thomas L. Coles
U 426,203 April 22, 1890 Insulator
Wood tree insulator with line wire running through the center of a rod of wood
MUNSIE, James F.
Wood Thomas L. Coles
 Theodorus H. Patee
U 271,733 February 6, 1883 Tripod Standard for Lightning Rods
Tripod stand for lightning rod with brackets to hold the rod
PATEE, Theodorus H.
RIDGE, Thomas D.
Lightning Rod Theodorus H. Patee
 Theodore Norton
U 441,849 December 2, 1890 Electric Line Hook
Hook made of iron to secure line wire with threaded end to screw in crossarm
LOCKE, Fred M.
LAPP, John
Hook 1/3 to Theodore Norton
 Theodore H. Patee
U 314,385 March 24, 1885 Holder for Lightning Rods
Split holder for lightning rods
LAWSHE, Spencer R.
Lightning Rod Theodore H. Patee
 Theodore Gould, Jr.
U 558,165 April 14, 1896 Electric Wire Cleat
Cleat - 2 piece
EVANS, Fredric B.
Cleat 1/2 to Theodore Gould, Jr.
 Themselves and William H. Fowler
U 109,461 November 22, 1870 Improvement in Insulators for Telegraph Wires
Clamp type via two glass blocks held and kept dry by metal box
SMITH, Ashbel G.
PETTINGELL, William
Clamp Type Themselves and William H. Fowler
 Themselves and W. H. Hoag
U 70,132 October 22, 1867 Improvement in Telegraph Insulators
Slotted, flanged insulator in slot in crossarm
TELLER, Daniel W.
SAVAGE, William L.
Slotted Themselves and W. H. Hoag
 Themselves and Robert Williams
U 316,469 April 28, 1885 Electric Wire Insulator
Insulators and supporting rail
LOCKE, Joseph
BOWKER, William
Insulator Themselves and Robert Williams
 The United Gas Improvement Co.
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.
 The Toledo Glass Co.
U 1,185,687 June 6, 1916 Glass Gathering and Shaping Machine
Improvement in Owens bottle-blowing machine (see patent 1,764,268)
LA FRANCE, Richard
Manufacturing The Toledo Glass Co.
 The Thomson-Houston Electric Co.
U 477,980 June 28, 1892 Insulator
Knob
WIRT, Herbert C.
Knob The Thomson-Houston Electric Co.
 The States Co.
U 1,101,802 June 30, 1914 Conductor Clamp
Clamp attached to insulator wire groove to hold a vertivcal duplex conductor to street lamp (see 1,140,050)
KENNEDY, Matthew G.
Clamp The States Co.
 The Stanley Electric Mfg. Co.
U Specimen known 664,301 December 18, 1900 Insulator
M-2795, top is flattened cone with vertical flange & detachable spout
STERLING, Richard H.
Insulator The Stanley Electric Mfg. Co.
 The Security Insulator Co.
U 480,011 August 2, 1892 Insulator
Knob - self-tying
GREEN, John Jay
Knob The Security Insulator Co.
U 484,911 October 25, 1892 Ceiling Block
Ceiling rosette that contains a fuse
GREEN, John Jay
Ceiling Rosette The Security Insulator Co.
 The Sackett Mine Supply Co.
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.
 The Rubber Shock Insulator Corp.
U 1,717,885 June 18, 1929 Mounting for Electric Conductors
Hanger insulator made of rubber for trolley conductor
LEIPERT, August H.
Hanger The Rubber Shock Insulator Corp.
 The R. Thomas & Sons Co.
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 788,120 April 25, 1905 Press for Plastic Material
Insulator press for forming the bottom shell and threaded pinhole of multipart porcelain insulators (Thomas blue jean seam impression in bottom skirt)
THOMAS, George W.
Press The R. Thomas & Sons Co.
U 806,717 December 5, 1905 High Voltage Insulator
Skirt (inner) cemented to insulator & extending to crossarm
THOMAS, George W.
Skirt The R. Thomas & Sons Co.
U 878,910 February 11, 1908 Die for Saggers and the Like
Metal dies for making saggers.
THOMAS, George W.
Sagger The R. Thomas & Sons Co.
U 899,871 September 29, 1908 Mantle Ring Mold
A mold for making mantle rings.
KENNEY, Benjamin D.
Mold The R. Thomas & Sons Co.
U 1,010,181 November 28, 1911 Electric Cable Protector
Protective shield mounted on top of the insulator to support the conductor.
SANDFORD, JR., Joseph Addison
Protective Shield The R. Thomas & Sons Co.
U Specimen known 1,010,920 December 5, 1911 High Tension Insulator
Suspension cap and pin design using simple locking pin
KENNEY, Benjamin D.
Suspension The R. Thomas & Sons Co.
U 1,093,479 April 14, 1914 Insulator
Multipart using interchangeable shells cemented to leave air pocket
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
U 1,093,480 April 14, 1914 Insulator
Multipart same as 1,093,479 with plug to block cement from air pocket
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
U 1,109,470 September 1, 1914 Post Insulator
Multipart insulator to support high tension conductors in substation
SANFORD, JR., Joseph A.
Multipart The R. Thomas & Sons Co.
U 1,122,030 December 22, 1914 Suspension Insulator Eyebolt
Steel eyebolt pin for suspension insulators
STANFORD, JR., Joseph Addison
Suspension The R. Thomas & Sons Co.
U 1,245,940 November 6, 1917 Insulator
Suspension string of various size disks to balance electrical capacitance
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 1,328,732 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.
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 1,441,990 January 9, 1923 Insulator Connector
Connector for the U-bolt links for Hewlett suspension disk
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 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 1,465,157 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 1,471,907 October 23, 1923 Machine for Heading Porcelain Tubes and the Like
Machine to make porcelain wall tubes
MASON, Albert G.
BUCKLEY, Lorenzo C.
Wall Tube The R. Thomas & Sons Co.
U Specimen known 1,526,168 February 10, 1925 Insulator Link
Suspension links for Hewlett disks
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 1,566,070 December 15, 1925 Sagger
Sagger to provide uniform distribution in the kiln
BUCKLEY, Lorenzo C.
Sagger 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 1,690,989 November 6, 1928 Multiple String Insulator Suspension
Suspensions made up of several strings of disks
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 1,708,876 April 9, 1929 Insulator
Suspension Hewlett links made of formed sheet metal
ECKERT, Grandon E.
Suspension The R. Thomas & Sons Co.
U 1,733,067 October 22, 1929 Insulator
Multipart with metal cap to prevent damage due to temp changes
MARVIN, Richard H.
Multipart The R. Thomas & Sons Co.
U 1,734,167 November 5, 1929 Suspension Insulator Fitting
Link design for Hewlett suspension disks to reduce movement
HOLMES, Henry R.
Suspension The R. Thomas & Sons Co.
U 1,755,032 April 15, 1930 Insulator
Post insulator made up of Hewlett disks
SLEEMAN, Harold P.
Post Type The R. Thomas & Sons Co.
U 1,760,786 May 27, 1930 Coupling for Insulators
Two part metal coupling to link Hewlett disks together
SLEEMAN, Harold P.
Suspension The R. Thomas & Sons Co.
U 1,947,321 February 13, 1934 Arcing Horn for Insulators
Arcing horns for Hewlett or other suspension insulator string
VINCENT, Harold Blanchard
SLEEMAN, Harold Parker
Suspension The R. Thomas & Sons Co.
U 2,154,387 April 11, 1939 Electric Insulator
RFI: coat crown with metallic glaze to prevent radio interference (advertised in Electrical World 8-12-1939)
SLEEMAN, Harold P.
RFI The R. Thomas & Sons Co.
 The Porcelain Insulator Corp.
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 1,558,498 October 27, 1925 Method of Making Insulators
Multipart, cementing of sections (see Pinco catalog page 3)
PECK, John M.
BENNETT, Cornelius Van Dyke
RYAN, James W.
Multipart The Porcelain Insulator Corp.
U 1,558,499 October 27, 1925 Insulator Construction
Multipart cementing of sections using resilient cement and non-resilient cement
PECK, John M.
Multipart The Porcelain Insulator Corp.
U 1,567,027 December 29, 1925 Insulator Threading Machine
Machine to form threads in plastic clay
BENNETT, Cornelius Van Dyke
Press The Porcelain Insulator Corp.
U 1,645,447 October 11, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble
PECK, John M.
Suspension The Porcelain Insulator Corp.
U 1,649,853 November 22, 1927 Sectional Insulator
Multipart design with nested parts forming the cement joints
PECK, John M.
Multipart The Porcelain Insulator Corp.
U 1,653,117 December 20, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble
PECK, John M.
Suspension The Porcelain Insulator Corp.
U 2,361,109 October 24, 1944 Insulating Protector for Conducting Wires
Tree insulator to protect the wire
KENNEALLY, Martin M.
Tree The Porcelain Insulator Corp.
U 2,437,559 March 9, 1948 Insulator and Method of Manufacturing Same
Addition of powdered aluminum to improve quality of porcelain
ROWLAND, Davidge H.
Manufacturing The Porcelain Insulator Corp.
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.
 The Porcelain Insulator Co.
U Specimen known 1,478,912 December 25, 1923 Insulator
Multipart with cement around lower edge of shell
PLIMPTON, Bentley A.
Multipart 1/2 to The Porcelain Insulator Co.
 The Pettingill Andrews Co.
U 631,234 August 15, 1899 Cleat for Electric Wiring
Cleat
STEVENS, Henry M.
Cleat 1/2 to The Pettingill Andrews Co.
 The Peru Electric Mfg. Co.
U 595,585 December 14, 1897 Fuse Block
Fuse cutout
SCHUTT, Duny A.
Fuse Holder The Peru Electric Mfg. Co.
U 1,028,104 June 4, 1912 Strain Insulator
Strain type
FLETCHER, Olive L.
Strain The Peru Electric Mfg. Co.
 The Oliver Iron & Steel Co.
U 566,468 August 25, 1896 Insulator Support
Pin with flange contacting inner petticoat for support
OLIVER, James B.
Pin The Oliver Iron & Steel Co.
 The Ohio Brass Co.
U 974,672 November 1, 1910 Insulator
Suspension insulator
JOHNSTON, Robert M.
Suspension The Ohio Brass 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.
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.
U Specimen known 1,048,992 December 31, 1912 Insulator
Strain, interlocking type (OB hog liver)
MEAD, George A.
Strain The Ohio Brass Co.
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.
 The Ohio Brass co.
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.
 The Ohio Brass Co.
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 1,683,109 September 4, 1928 Conductor Support
Bracket to hold strain insulators on a crossarm for deadending
SNYDER, Edward B.
Bracket The Ohio Brass Co.
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 1,925,211 September 5, 1933 Art of Assembling Insulators
Method of cementing pin in suspension insulator to remove air
SMITH, William A.
Suspension The Ohio Brass Co.
U 1,937,184 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 1,937,731 December 5, 1933 Insulator
Pin for suspension disk
TAYLOR, John J.
Suspension The Ohio Brass Co.
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 1,950,646 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 1,961,402 June 5, 1934 Insulator
Catenary trolley wire support composed of multiple insulator sections with cemented caps and internal threaded parts allowing them to be screwed together
TAYLOR, John J.
Catenary The Ohio Brass Co.
U 1,967,616 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.
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 1,988,155 January 15, 1935 Insulator
Suspension pin
BOVARD, Floyd G.
Suspension 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 Specimen known 1,994,281 March 12, 1935 Insulator
Fog type multipart & suspension insulator similar to oil types with inverted mating cup
LUSIGNAN, JR., Joseph T.
Fog Type The Ohio Brass Co.
U Specimen known 1,994,282 March 12, 1935 Fog Type Insulator
Fog type suspension similar to oil reservoir types with inverted mating cup
LUSIGNAN, JR., Joseph T.
Fog Type The Ohio Brass Co.
U 1,994,292 March 12, 1935 Insulator
Special design of pin for suspension insulator
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 1,997,439 April 9, 1935 Insulator
Special design of cemented pin and cap on pin-type insulator used to support electrical equipment
TAYLOR, John J.
Miscellaneous The Ohio Brass Co.
U 2,010,934 August 13, 1935 Cementing Process and Apparatus
Apparatus to align the pin during the cementing process in a suspension insulator
SMITH, William A.
Manufacturing The Ohio Brass Co.
U 2,011,136 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 2,022,863 December 3, 1935 Arcing Guard
Metal arcing guard for suspension string
LUSIGNAN, JR., Joseph T.
Arcing Ring The Ohio Brass Co.
U 2,036,225 April 7, 1936 Lightning Guard for Transmission Lines
Lightning guard strung above transmission towers with supporting tower between transmission towers
LUSIGNAN, JR., Joseph T.
Transmission The Ohio Brass Co.
U 2,039,500 May 5, 1936 Process of Assembling Insulators
Method of assembling a multipart insulators with cemented metal pins and caps to reduce strain from cement expansion (see 1,997,439)
TAYLOR, John J.
Multipart The Ohio Brass Co.
U 2,048,016 July 21, 1936 Fog Type Insulator
Fog-type suspension disk with metal dish underneath to keep bottom pin area dry
LUSIGNAN, JR., Joseph T.
Fog Type The Ohio Brass Co.
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.
U 2,103,399 December 28, 1937 Insulator
Fog type suspension with top curved down over bottom petticoat that extends up inside the top part
WALKER, Robert H.
Fog The Ohio Brass Co.
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.
U 2,135,359 November 1, 1938 Suspension Insulator
Fog type suspension insulator
TAYLOR, John J.
BOVARD, Floyd D.
Fog Type The Ohio Brass Co.
U 2,135,360 November 1, 1938 Conductor Support
Clamp type with metal cemented to crown for holding cable
TAYLOR, John J.
Clamp Type The Ohio Brass Co.
U 2,135,362 November 1, 1938 Insulator
Fog type suspension insulator
TAYLOR, John J.
Fog Type The Ohio Brass Co.
U 2,142,422 January 3, 1939 Insulator and Method of Manufacturing the Same
Method of making station post insulators with hollow cavity and filling cavity with dry gas
TAYLOR, John J.
Insulator The Ohio Brass Co.
U 2,146,344 February 7, 1939 Electric Insulator
Suspension cementing technique to reduce damage from expansion
MEISSE, Louis A.
Suspension The Ohio Brass Co.
U 2,155,835 April 25, 1939 Ceramic Insulating Material
Improved ceramic composition using titanium oxide that will fire at typical kiln temperatures
MCCREERY, George L.
CAMPBELL, Van E.
HIGGINS, Ray
Ceramic Composition The Ohio Brass Co.
U 2,155,848 April 25, 1939 Insulator
Helical suspension & helical post type
TAYLOR, John J.
Helical 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 2,209,006 July 23, 1940 Coating Apparatus
Machine to dip insulators in glaze.
SMITH, William A.
Manufacturing 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 2,234,391 March 11, 1941 Method of Manufacturing Electric Insulators
Method of making station post insulators with metal caps
TAYLOR, John J.
Insulator The Ohio Brass Co.
U 2,239,809 April 29, 1941 Insulator
Suspension insulator and method of applying RFI coating
BURLESON, Wade H.
RFI 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.
U 2,275,208 March 3, 1942 Electrical Insulator
Method of applying RFI coating to suspension disk (see 1,661,823) (see 1,735,829) (see 2,154,387)
TAYLOR, John J.
RFI/suspension The Ohio Brass Co.
U 2,283,685 May 19, 1942 High Resistance Conducting Coating for Electric Insulators
RFI coating to prevent radio interference
MCCREERY, George L.
CAMPBELL, Van E.
RFI The Ohio Brass Co.
U 2,342,307 February 22, 1944 Spraying Machine
Machine for spraying on RFI coatings
SMITH, William A.
RFI The Ohio Brass Co.
U 2,443,435 June 15, 1948 Insulator
Suspension, pin design to prevent expansion stress from corrosion
TAYLOR, John J.
Suspension The Ohio Brass Co.
U 2,443,436 June 15, 1948 Insulator
Suspension with moisture resistant cushion at bottom of cap and pin
TAYLOR, John J.
Suspension The Ohio Brass Co.
U Specimen known 3,024,303 March 6, 1962 Glazed Insulator Which Comprises a Ceramic Body and a Primary Coat Under the Glaze Which has a Lower Coefficient of Thermal Expansion than the Ceramic Body
Suspension insulator with compression glaze coating under outer glaze surface
SMOTHERS, William J.
SELSING, Jorgen
Suspension The Ohio Brass Co.
U 3,389,214 June 18, 1968 Coated Insulator
Suspension with RFI coating composed of semiconducting ceramic of silicon carbide
SMOTHERS, William J.
RFI The Ohio Brass Co.
 The Nixon Mining Drill Co., Inc.
U 868,575 October 15, 1907 Insulator Pin Making Machine
Machine for making wooden pins
MALLORY, Charles M.
SLAUGHTER, James Monroe
Pin/machine 1/2 to The Nixon Mining Drill Co., Inc.
 The Manhattan Brass Co.
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.
 The MacAllen Co.
U 882,979 March 24, 1908 Strain Insulator
Wood strain insulator with metal caps on each end and special eye to receive a hook
TERRY, William C.
Strain The MacAllen Co.
 The Macallen Co.
U 941,032 November 23, 1909 Process of Manufacturing Insulators
Press to mold and produce composition strain insulator
MCCARTHY, Louis
Press The Macallen Co.
 The Locke Insulator Mfg. Co.
U 811,602 February 6, 1906 Mold for Plastic Materials
Press mold for forming insulators
WATTS, Arthur S.
Press The Locke Insulator Mfg. Co.
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.
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.
 The Kookogey Electric Co.
U 425,513 April 15, 1890 Insulator
Rainshed (hood) over wire
KOOKOGEY, William P.
Rainshed The Kookogey Electric Co.
 The Johns-Pratt Co.
U 482,872 September 20, 1892 Insulator
Strain type
LEE, Charles T.
Strain The Johns-Pratt Co.
U 485,106 October 25, 1892 Insulator
Knob of mica with side groove to hold wire
LEE, Charles T.
Knob The Johns-Pratt Co.
U Specimen known 578,825 March 16, 1897 Insulator
Composition insulator with top cable clamp
LUSCOMB, Henry H.
CRANE, William F. D.
Composition The Johns-Pratt Co.
U 904,069 November 17, 1908 Insulator
Strain insulator to electrically disconnect the circuit. (see reissue 13,526)
KEMPTON, Williard H.
Strain The Johns-Pratt Co.
R 13,526 February 11, 1913 Insulator
Reissue of patent 904,069. Strain insulator to electrically disconnect the circuit.
KEMPTON, Willard H.
Strain The Johns-Pratt Co.
 The Johns Pratt Co.
U 515,779 March 6, 1894 Strain Insulator
Strain type
LUSCOMB, Henry H.
Strain The Johns Pratt Co.
 The Inventor's Novelty Mfg. Co.
U 619,915 February 21, 1899 Tie-Wire or Clasp for Insulators
Tie wire clip
WENTWORTH, Fred W.
Tie Wire The Inventor's Novelty Mfg. Co.
 The Interior Conduit & Insulation Co.
U 522,428 July 3, 1894 Insulator
Wall tube secured with a clip
MACE, Romaine
Wall Tube The Interior Conduit & Insulation Co.
 The Indianapolis Arm, Bracket and Pin Co.
U 750,209 January 19, 1904 Automatic Turning Machine
Insulator pin threading device
MAGERS, Bonneventure T.
Pin The Indianapolis Arm, Bracket and Pin Co.
 The Hold Fast Caster Cup Co.
U 1,221,225 April 3, 1917 Floor Protecting Attachment for Furniture
Cup of wood or rubber to hold caster wheel and sheet metal insert to secure caster from movement
SCHAUERMANN, Edward
Piano The Hold Fast Caster Cup Co.
 The Hartford Faience Co.
U 1,860,791 May 31, 1932 Lighting Fixture
Porcelain lighting fixture.
THOMAS, Noah T.
Fixture The Hartford Faience Co.
U 1,947,118 February 13, 1934 Lighting Fixture
Porcelain lighting fixture
THOMAS, Noah T.
Fixture The Hartford Faience Co.
U 3,116,362 December 31, 1963 Insulating Bushing Assembly with Spring Retaining Means
Porcelain bushing with a retaining spring.
RANKIN, Lawrence H.
Bushing The Hartford Faience Co.
 The Harford Faience Co.
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 1,930,735 October 17, 1933 Terminal Mounting for Lighting Fixtures
Terminal mounting for lighting fixture.
YARSLEY, Thomas G.
Fixture The Harford Faience Co.
 The Hammond Cleat & Insulator Co.
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.
 The Gould & Watson Co. and Charles Tennant Lee
U 411,749 September 24, 1889 Electric Insulator
Support for overhead wires for electric railways made of a block coated inside with composition material
MCCARTHY, Louis
Composition The Gould & Watson Co. and Charles Tennant Lee
 The Gould & Watson Co.
U 386,925 July 31, 1888 Electrical Non-Conductor
Non-conducting composition material composed of mica and glue used to coat cheese cloth and made in thin sheets, which are then coated with shellac to repel moisture
LEE, Charles Tennant
WAITE, Charles N.
Composition 1/2 to The Gould & Watson Co.
U 409,985 August 27, 1889 Composition of Matter
Composition material composed of mica and water glass
LEE, Charles Tennant
Composition 1/2 to The Gould & Watson Co.
U 409,986 August 27, 1889 Process of Attaching Composition of Matter to Metal
Method of molding the composition material under pressure in metal parts and allowing it to cool to prevent expansion and create a secure attachment to the metal
LEE, Charles Tennant
Composition 1/2 to The Gould & Watson Co.
U 411,384 September 17, 1889 Packing for Steam Pipes
Composition material used to coat the outside of pipes to act as an insulator against heat
LEE, Charles Tennant
Composition 1/2 to The Gould & Watson Co.
U 428,979 May 27, 1890 Electric Insulator
Blocks coated with composition material to support overhead lines for electric railway
WATSON, George B.
Composition The Gould & Watson Co.
U 467,941 February 2, 1892 Insulator
Strain type
LEE, Charles T.
Strain 1/2 to The Gould & Watson Co.
U 467,942 February 2, 1892 Insulator
Suspension type using mica sheets with metal case
LEE, Charles T.
Suspension 1/2 to The Gould & Watson Co.
 The Gaynor Electric Co.
U 437,685 October 7, 1890 Insulator
Coating on exterior of insulator to color code line
GAYNOR, Thomas F.
Coating The Gaynor Electric Co.
 The Gamewell Fire Alarm Telegraph Co.
U 1,466,674 September 4, 1923 Storage Battery
Battery electrodes and container. However, the little porcelain insulators cataloged as SP17-01 were used to support glass rods for the battery to set on.
STANLEY, Vincent C.
Battery The Gamewell Fire Alarm Telegraph Co.
 The Fanner Mfg. Co.
U 3,288,918 November 29, 1966 Apparatus for Securing Lines to Supports
Preformed tie wire and line reinforcement of ribbon helix made of resilient material that may be uncoiled to make the tie but spring back to preformed shape
SCHLEIN, Seymour N.
Tie Wire The Fanner Mfg. Co.
 The Electric Storage Battery Co.
U 1,034,394 July 30, 1912 Insulating Support for Storage Battery Tanks
CD 35, CD 36; Battery insulator with soft metal cap
MORRIS, George H.
Battery The Electric Storage Battery Co.
 The Electric Good Mfg Co.
U 845,544 February 26, 1907 Wiring Knob
Knob
GORDON, Waldo C.
Knob The Electric Good Mfg Co.
 The Electric Cable Const. & Maint. Co.
U 383,097 May 22, 1888 Support for Electric Wires
Hanger for electric cable
BROOKS, JR., David
Hanger The Electric Cable Const. & Maint. Co.
 The Edison General Electric Co.
U 466,391 January 5, 1892 Insulator
Cylinder of wood used for trolley wire hanger
ANDREWS, William S.
Wood The Edison General Electric Co.
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.
U 477,753 June 28, 1892 Insulator
Clamp type
GOOLD, Frederick D'A
Clamp Type The Edison General Electric Co.
 The E. S. Greeley & Co.
U Specimen known 403,491 May 14, 1889 Insulating Device for Line Wires
Tree hanger split octagon shaped forestry insulator referred to as the Victor
SMITH, Thomas J.
Tree The E. S. Greeley & Co.
 The Dewey Corp.
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.
 The Cronin Electrical Appliances Co.
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.
 The Colonial Insulator Co.
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.
 The Cleveland Metal Products Co.
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.
U 1,456,716 May 29, 1923 Bail Attaching Means
Kerosene jar bail
RESEK, Marc
HU The Cleveland Metal Products Co.
 The Clark Electric & Mfg. Co.
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.
 The Burkett Lightning Rod Co.
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.
 The Bryant Electric Co.
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.
 The Brunt Porcelain Co.
U 1,528,056 March 3, 1925 Golf Tee Marker
Porcelain golf tee marker
HERBERT, Joseph T.
Golf Tee The Brunt Porcelain Co.
 The Bristol Brass and Clock Co.
U 175,022 March 21, 1876 Improvement in Lamp Collars
Oil lamp collar
BROWN, George W.
HU The Bristol Brass and Clock Co.
 The Brewer-Titchener Corp.
U 2,111,505 March 15, 1938 Method of Making a Forged Clamp
Method of making the curved dead-end clamp described in patent 1,901,345.
CARD, Charles S.
Suspension The Brewer-Titchener Corp.
 The Brady Electric & Mfg. Co.
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.
 The Billings & Spencer Co.
U 535,660 March 12, 1895 Insulator
Strain in the shape of a ball
BELCHER, Warren J.
Strain The Billings & Spencer Co.
U 576,392 February 2, 1897 Insulator
Trolley hanger
BILLINGS, Harry E.
Trolley Hanger The Billings & Spencer Co.
 The Benbow Co.
U Specimen known 696,665 April 1, 1902 Wire Insulator
Mine insulator
BENBOW, William C.
Mine The Benbow Co.
 The B. F. Goodrich Co.
U 2,297,600 September 29, 1942 Insulator Support
Steel pin for carrier circuits with threads coated with rubber
WILLIAMS, Richard H.
Pin The B. F. Goodrich Co.
 The American Insulator Co.
U Specimen known 288,360 November 13, 1883 Telegraph Insulator
Double petticoat design for style similar to CD 162. An annual recess to receive paraffin to form a broad band of surface protected from moisture
OAKMAN, Samuel
Insulator The American Insulator Co.
 The Akron Hi-Potential Porcelain Co.
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.
 Telefunken Geselleschaft fur Drahtlose Telegraphie m. b. H.
U 2,270,964 January 27, 1942 Insulator for Antenna Span or Guy Ropes
Compression antenna insulator for very heavy loads (see 2,297,430)
PETERS, Wilhelm
Strain Telefunken Geselleschaft fur Drahtlose Telegraphie m. b. H.
 Taylor-Long Co.
D 72,459 April 12, 1927 Design for a Bottle
Design for Bottle (Big Boy)
TAYLOR, Arch B.
LONG, Cornelia Taylor
SOHN, Archie C.
HU Taylor-Long Co.
 T. T. Keckeler and Z. C. Thiving
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
 Sylvester Y. L'Hommedieu & Co.
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.
 Studiengesellschaft Fuer Wirtschaft U. Industrie, M. B. H.
U 1,742,625 January 7, 1930 Process of Uniting by Sealing the Insulating Parts of High Tension Insulators
Cement of rubber used to cement multipart insulator
WECKERLE, Ferdinand
Cement Studiengesellschaft Fuer Wirtschaft U. Industrie, M. B. H.
 Stewart Worden
U 507,299 October 24, 1893 Trolley Wire Insulator
Cylinder of wood used for trolley wire hanger
WILLIAMS, Mowry S.
Wood 1/2 to Stewart Worden
 Steatite and Porcelain Products, LTD.
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.
 Steatite & Porc. Prod. Ltd.
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.
 Ste. Helita
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
 Star Porcelain Co.
U 1,633,462 June 21, 1927 Ceramic Insulating Material
Clay mixture to produce a black porcelain body.
SORTWELL, Harold H.
Porcelain Star Porcelain Co.
 Stanley Electric Mfg. Co.
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.
U 824,055 June 19, 1906 Insulator
Crossover
ACLY, Harry M.
Crossover Stanley Electric Mfg. Co.
 St. Louis Malleable Casting 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.
 St. Louis Lightning Rod Co.
U 873,154 December 10, 1907 Two Male T
Lightning rod ""T"" coupling
MILLER, George A.
Lightning Rod Coupling St. Louis Lightning Rod Co.
D 42,173 February 13, 1912 Design for Lightning Rod Terminal
Lightning rod stand with twists and curls supporting glass ball, weather vane arron, and point
KRETZER, Sidney D.
Lightning Rod St. Louis Lightning Rod Co.
 Spalding K. Long
U Specimen known 971,785 October 4, 1910 Tree Insulator
U-187
PIERCE, Alfred L.
Insulator 1/2 to Spalding K. Long
 Solomon Eaton
U 502,614 August 1, 1893 Cleat for Insulated Wires
Cleat - 2 piece
CLARKE, Edward H.
Cleat 1/2 to Solomon Eaton
 Solomon E. Bronson
U 889,884 June 2, 1908 Insulator
Wireholder comprising two spools and metal holder
STRONG, M. Harrison
Wireholder 1/2 to Solomon E. Bronson
 Societe Vedovelli Priestley
U Specimen known 1,039,799 October 1, 1912 Insulator Chain for High Pressure Electric Transmission Lines
Suspension chain (pork liver)
PRIESTLEY, Charles M. E.
Suspension Societe Vedovelli Priestley
 Societe H. Parra Et. Cie.
U 1,054,138 February 25, 1913 Means for Attaching Wires and Cables to Insulators
Clamping wire device to eliminate tie wire (French gingerbread man)
PARRA, Henri
Clamp Type Societe H. Parra Et. Cie.
 Societe Gen. D'Entr.
U 1,861,316 May 31, 1932 Insulator
Suspension (Hewlett type) with oil reservoir
MONTANDON, Arthur
Suspension 1/2 to Societe Gen. D'Entr.
 Societe Europeene d'Isolateurs en Verre (SEDIVER)
U 3,923,570 December 2, 1975 Manufacture of Insulators
Method of cementing suspension insulators using thick cement and high intensity vibrations
WILLEM, Michel
Suspension Societe Europeene d'Isolateurs en Verre (SEDIVER)
 Societe Anonyme des Manufactures Des Glaces et Produits Chimiques de Saint-Gobain
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
 Societa Ceramica Richard-Ginori
U 821,746 May 29, 1906 Insulator
Pin - method of cementing into insulator sleeve and attaching to insulator
RICHARD, Augusto
Pin Societa Ceramica Richard-Ginori
 Soc. H. Parra & Cie.
U 1,235,592 August 7, 1917 Device for Attaching Conductors to Insulators
Tie wire preformed in such a way to make attachment easier
PARRA, Henri
Tie Wire Soc. H. Parra & Cie.
 Smith-Johns Inc.
U 2,300,674 November 3, 1942 Secondary Rack
Bracket for wireholders or rack spools. Each insulator bracket is easily connected or attached to the supporting bracket.
JOHNS, George McDonald
RICHARD, Thomas T.
Bracket/wireholder Smith-Johns Inc.
 Sigma Instruments, Inc.
U Specimen known 3,251,014 May 10, 1966 Electrical Coupling Device
Miscellaneous internal coupling device to obtain a voltage from high voltage power line
STEIN, Laurence B.
Miscellaneous Sigma Instruments, Inc.
 Siemens-Schuckertwerke Aktiengesellschaft
U 2,776,332 January 1, 1957 Self-Cleaning Outdoor High Tension Insulators
Spiral or helical side petticoats that are washed by rain
VON CRON, Hans
Spiral Siemens-Schuckertwerke Aktiengesellschaft
 Shield Electric Co.
U 1,046,868 December 10, 1912 Strain Insulator
Strain, interlocking type with ribs and metal connectors
SCHMID, Ernest Emmel
Strain Shield Electric Co.
 Shawinigan Water & Power Co.
U 1,266,615 May 21, 1918 Insulator Clamp
Clamp for crown of large insulator
NICOL, David S.
Clamp Shawinigan Water & Power Co.
 Seyler Mfg. Co.
U 1,722,672 July 30, 1929 Insulator Supporting Bracket
Secondary rack of simple but strong design eliminating rivets.
LUNDELL, Elmer W.
Bracket/secondary Rack Seyler Mfg. Co.
 Schweitzer & Conrad, Inc.
U 2,267,202 December 23, 1941 Fuse Box Construction
Improved design of fuse holder box made of glass
HOLMES, Minot K.
MCMAHON, George F.
RAMSEY, Allan
Fuse Holder Schweitzer & Conrad, Inc.
 San Diego Consolidated Gas and Electric Co.
U 1,213,211 January 23, 1917 Current Distributing Apparatus
Bracket attached below the insulator to allow tie-off and running of multiple service wires from the same main power conductor
KLAUBER, Laurence M.
CAVELL, Ray C.
Service Drop San Diego Consolidated Gas and Electric Co.
 Samuel Hudson
U 787,107 April 11, 1905 Telegraph or Telephone Wire Insulator
Clamp type
MCDANIEL, Robert J.
GRAVES, Salathiel V.
Clamp Type Samuel Hudson
 Samuel Bowsher
U 809,743 January 9, 1906 Crossarm for Carrying High-Tension Wires
Crossarm and insulators made of glass or other insulating material
PETERY, Evan E. P.
Crossarm 1/2 to Samuel Bowsher
 S. Smith
U 78,459 June 2, 1868 Improvement in Lightning Rods
Means of connecting tubular lightning rods and supporting with rubber brackets
KIRTLAND, George
Lightning Rod Coupling S. Smith
 S. Porter & L. M. Monroe
U Specimen known 71,564 November 26, 1867 Improvement in Telegraph Insulators
Metal shell lined with glass or porcelain with wooden pin and paraffin cavity
WOOD, Merritt L.
Metal 2/3 to S. Porter & L. M. Monroe
 S. Miller & E. Kerper
U 711,629 October 21, 1902 Insulator
Self-tying slot top with wedge keeper
HOBERT, Clayton
Self-tying Slot Top 7/10 to S. Miller & E. Kerper
 S. F. Van Choate & Stuart Gwynne
U 49,482 August 15, 1865 Improvement in Insulators for Telegraph Wires
Hook encased in insulating material with metal covering with dead air space
WARD, Henry H.
Hook S. F. Van Choate & Stuart Gwynne
 Royal Electric Mfg. Co.
U 2,336,324 December 7, 1943 Strain Insulator
A rod of wood as a guy strain insulator for transmission poles
WARREN, Pickett L.
Strain Royal Electric Mfg. Co.
 Rosenthal Technik AG
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
 Roderick R. Andrus and James M. Rude
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
 Robert W. Lyle
U 763,434 June 28, 1904 Insulating Support for Electric Third Rails
Third rail insulator with metal bracket that fits in grooves on the upper sides of the insulator.
SLATER, Frederick R.
Third Rail 1/2 to Robert W. Lyle
 Robert T. Wiseman
U 1,100,859 June 23, 1914 Line Wire Fastener
Complicated tie wire replacement with cam lever on each side of the insulator to pull the tie wire tight
WISEMAN, Thomas A.
Tie Wire 1/2 to Robert T. Wiseman
 Robert Hemingray
D 8,942 February 1, 1876 Design for Glass Dishes
Bird shaped glass pickle dish
PROEGER, Julius
HI Robert Hemingray
 Rights of Vermilya to Reyburn, Hunter, and Byron P. Moulton
R 8,429 September 24, 1878 Improvement in Lightning Rods
Star shaped lightning rod made of 4-edged angle iron with a sheet of copper pressed over the outer surface and then twisted (see 92,551)
VERMILYA, Leland D.
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod Rights of Vermilya to Reyburn, Hunter, and Byron P. Moulton
 Richard Ohloff
U 900,917 October 13, 1908 Insulator
Self-tying miscellaneous
DOBSON, Grant
Self-tying Miscellaneous 1/2 to Richard Ohloff
 Richard I. Brewster
U 466,726 January 5, 1892 Insulator
Clamp type split knob with lag screw
NORGRAVE, George B.
Clamp Type Richard I. Brewster
 Reyburn, Hunter & Co.
U 173,962 February 22, 1876 Improvement in Couplings for Tubing and Lightning Rods
Coupling made of a short hollow piece placed inside both ends of the rod and crimped down through the rod ends to secure the sections
JOHNSON, Isaac
Lightning Rod Coupling Reyburn, Hunter & Co.
U 173,963 February 22, 1876 Improvement in Lightning Rods
Lightning rod with solid supporting rod fitted inside and screwed into the rod coupling on each end
JOHNSON, Isaac
PRICE, David A.
Lightning Rod Reyburn, Hunter & Co.
 RCA
U 1,761,046 June 3, 1930 Transposition Device
Transposition ring for radio line
PFAUTZ, Christian E.
Transposition RCA
 Raychem Limited
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
 Ralph E. Meech
U 2,426,466 August 26, 1947 Insulator for Electrical Wire Conductors
Cleat with V-groove to hold line wire between the two halves
MINARIK, Rudolph A.
Cleat 1/2 to Ralph E. Meech
 Railway and Industrial Engineering Co.
U 1,590,381 June 29, 1926 Insulator Cap
Iron insulator cap cemented to top of insulator to support electrical equipment
KERR, Benjamin W.
Cap Railway and Industrial Engineering Co.
 Rafferty, 1/3 to Wells
U 1,099,374 June 9, 1914 Insulator
Block in crossarm
HUNTER, Ira
Block 2/3 to Rafferty, 1/3 to Wells
 Radio Corporation of America
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
 R. V. Lamberson
U 801,461 October 10, 1905 Mold for Forming Insulators
Mold with hinge for forming ""Combination Safety"" CD 139 (attorney H. P. Denison)
KRIBS, Anthony
Mold R. V. Lamberson
 Prime Manufacturing Co.
U Specimen known 2,163,954 June 27, 1939 Electric Fence
Electric fence insulator with bail wire to hold the wire in place.
LUCAS, John A.
Electric Fence Prime Manufacturing Co.
 Postal Telegraph Cable Co.
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.
 Porzellanfabrik Kahla, Filiale Hermsdorf Klosterlausnitz
U 992,462 May 16, 1911 Insulator
Shield acting as a roof over the insulator
WEICKER, William
Shield Porzellanfabrik Kahla, Filiale Hermsdorf Klosterlausnitz
 Porcelain Products, Inc.
U 2,024,831 December 17, 1935 Insulator
Spool type wireholder and lag screw bracket
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
D Specimen known 108,489 February 15, 1938 Design for an Electric Insulator
Standard Porcelain No. 57
DALTON, Rolland E.
Knob Porcelain Products, Inc.
U 2,234,604 March 11, 1941 Molding Apparatuse
Automatic press for molding nail knobs
PECK, Lee H.
Press Porcelain Products, Inc.
U 2,269,409 January 6, 1942 Wire Holder
Wireholder with lag screw
MCCHESNEY, JR., Samuel Waldrop
Wireholder Porcelain Products, Inc.
U 2,278,330 March 31, 1942 Multipost Line Insulator
Two post insulators joined together with elongated metal bottom cap
MEYER, Edwin M.
Insulator Porcelain Products, Inc.
U Specimen known 2,286,488 June 16, 1942 Spool Insulator
Spool insulator with deep side groove
JOHNSON, Lewis E.
Spool Porcelain Products, Inc.
U 2,286,496 June 16, 1942 Wire Holder
Wireholder with lag screw
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
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.
 Porcelain Insulator Corp.
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.
 Porcelain Insulator Co.
U 2,564,340 August 14, 1951 Clamp for Electrical Conductors
Metal clamp to secure the conductor to the bottom of the string of suspension insulators
OSBORNE, David H.
Suspension Porcelain Insulator Co.
 Porcelain Appliance Corp.
U 1,427,953 September 5, 1922 Attaching Device
Knob
HARRISON, Arthur W.
Knob Porcelain Appliance Corp.
 PLM Products, Inc.
U 2,912,482 November 10, 1959 Aerial Cable Support and Spacer
Support and spacer for multiple electrical power lines
HORROCKS, Raymond G.
MILLER, Carroll de V.
BRENNER, Theodore J.
Spacer PLM Products, Inc.
 Planet Products Corp.
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.
 Pittsburg High Voltage Insulator Co.
U 954,490 April 12, 1910 Machine for Threading Porcelain Insulators
Machine to form threads in wet process porcelain
YOUNG, George F.
Thread Pittsburg High Voltage Insulator Co.
U 1,237,843 August 21, 1917 Insulator Support for Towers
An insulator to support radio antenna towers composed of a metal base and several porcelain sections that are cemented together.
WARD, John W.
Antenna Support Pittsburg High Voltage Insulator Co.
 Pilkington Brothers Ltd.
U 2,602,269 July 8, 1952 Apparatus for Forming Undercut Sockets in a Material in a Hot Plastic State
Insulator press
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 2,602,270 July 8, 1952 Apparatus for Forming Undercut Sockets in a Material in a Hot Plastic State
Insulator press
WILCOCK, John Edward
BAILLIE, Granville Hugh
Press Pilkington Brothers Ltd.
U 2,710,492 June 14, 1955 Apparatus for Forming Cavities in the Wall of a Socket of a Pin-Type Glass Insulator
Insulator press
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 2,895,260 July 21, 1959 Method of Treating a Glass Insulator
Method of making a toughened glass insulator
JELLYMAN, Philip E.
DICKINSON, George A.
MACINTOSH, Hamish F.
Glass Pilkington Brothers Ltd.
U 2,972,211 February 21, 1961 Method of Manufacturing a Glass Insulator
Method of tempering glass insulators where the head is toughened more than the rest of the insulator
JELLYMAN, Philip E.
MACINTOSH, Hamish Fraser
WILCOCK, John E.
Glass Pilkington Brothers Ltd.
U 3,185,558 May 25, 1965 Moulding Hollow Glass Articles
Press for forming the inner shape of glass articles such as a suspension insulator
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 3,185,560 May 25, 1965 Plural Piston Press Forming Apparatus
Press for forming the inner shape of glass articles such as a suspension insulator
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
U 3,416,909 December 17, 1968 Apparatus for Molding Glass Articles
Glass press that can be adapted for insulator manufacture
WILCOCK, John Edward
Press Pilkington Brothers Ltd.
 Pilkington Brothers Limited
U 2,870,244 January 20, 1959 Glass Insulator Assembly Units
Glass toughened by stream of air after forming
JELLYMAN, Philip E.
Glass Pilkington Brothers Limited
U 3,141,063 July 14, 1964 Toughened Glass, Pin Type Insulator
Glass tempering method
EDWARDS, Derrik R.
Glass Pilkington Brothers Limited
 Peirce Specialty Co.
U 856,488 June 11, 1907 Insulator
Pin (metal) using spring for threads
PEIRCE, JR., Charles L.
Pin Peirce Specialty Co.
U 856,801 June 11, 1907 Insulator
Pin (metal) using spring for threads
PEIRCE, JR., Charles L.
Pin Peirce Specialty Co.
U 883,823 April 7, 1908 Insulator Support
Pin with coiled spring for threads
PEIRCE, JR., Charles L.
Pin Peirce Specialty Co.
 Payette Insulator Pin Co.
U 882,424 March 17, 1908 Insulator Pin
Pin using nail to prevent it from turning
SCHARFHAUSEN, William
Pin Payette Insulator Pin Co.
 Owens-Illinois Glass Co.
U 1,764,268 June 17, 1930 Glass Forming Machine
Machine to form threads in glass articles such as insulators. (see patent 1,185,687)
LA FRANCE, Richard
Manufacturing Owens-Illinois Glass Co.
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.
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.
U 1,991,469 February 19, 1935 Building Block
Block with interior partition, separate lid
SLAYTER, Games
OI Owens-Illinois Glass Co.
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.
D 99,087 March 24, 1936 Design for a Glass Building Block
Block design with small square prisms
JONES, David
OI Owens-Illinois Glass Co.
D 99,102 March 24, 1936 Design for a Glass Building Block
Block design similar to Fleur-De-Lis
ZIMMERMAN, Willard P.
OI Owens-Illinois Glass Co.
U 2,034,925 March 24, 1936 Hollow Building Block
Method in manufacturing glass to glass seal welded blocks
SLAYTER, Games
IRVINE, Jan S.
THOMAS, JR., John H.
OI Owens-Illinois Glass Co.
D 101,360 September 29, 1936 Design for a Hollow Glass Building Block
Block design with fine bars & medium flutes on opposing sides
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
D 101,372 September 29, 1936 Design for a Glass Building Block
Block design with alternating large and narrow concave ridges
LOCKART, JR., Edward P.
OI Owens-Illinois Glass Co.
D 101,633 October 20, 1936 Design for a Glass Building Block
Block design with large bars on outside & small ridges at angle inside
HOGE, John R.
OI Owens-Illinois Glass Co.
D 104,127 April 13, 1937 Design for a Hollow Glass Building Block
Block design with medium bars
ZIMMERMAN, Willard P.
OI Owens-Illinois Glass Co.
U Specimen known 2,094,287 September 28, 1937 Method of Manufacturing Multipart Glass Articles
Method to manufacture multiple glass objects (blocks, insulators, etc.)
ZIMMERMAN, Willard P.
HOLMES, Minot K.
Method Owens-Illinois Glass Co.
D 106,977 November 16, 1937 Design for a Hollow Glass Building Block
Block design with internal double ridged bars
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
D 106,980 November 16, 1937 Design for a Glass Building Block
Block design with fine lines on exterior and fine ribbed on interior
JONES, David
OI Owens-Illinois Glass Co.
U 2,105,174 January 11, 1938 Method of Manufacturing Multipart Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,107,994 February 8, 1938 Hollow Glass Building Block
Blocks with colored sheets placed inside
HAZELTON, Benjamin F.
OI Owens-Illinois Glass Co.
U 2,110,900 March 15, 1938 Building Block
Aluminum welding of blocks with aluminum foil
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,114,732 April 19, 1938 Building Block
Blocks with corrugated edges
ANDEREGG, Frederick O.
OI Owens-Illinois Glass Co.
U 2,115,513 April 26, 1938 Wall Construction
Blocks with sanded edges
BAUER, John E.
OI Owens-Illinois Glass Co.
U 2,119,259 May 31, 1938 Method of Making Articles of Vitreous Materials
Glass Block Pressing Machine
SLAYTER, Games
OI Owens-Illinois Glass Co.
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 2,127,150 August 16, 1938 Method of Forming Hollow Glass Articles
Internal decorating of blocks prior to assembly
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
D 112,048 November 8, 1938 Design for a Hollow Glass Building Block
Block design with fine lines on exterior and mesh design on interior
SMITH, Carl H.
JONES, David
OI Owens-Illinois Glass Co.
D 112,746 December 27, 1938 Design for a Hollow Glass Building Block
Block design with wave design
TEAGUE, Walter D.
OI Owens-Illinois Glass Co.
U 2,143,696 January 10, 1939 Apparatus for Assembling Hollow Building Blocks
Semi automatic method for assembling glass blocks
HOLMES, Minot K.
JONES, David
OI Owens-Illinois Glass Co.
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.
U 2,149,246 February 28, 1939 Method of Manufacturing Hollow Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
D 114,085 April 4, 1939 Design for a Hollow Glass Building Block
Curved corner glass block with wide bars on exterior
LOCKART, Edward P.
OI Owens-Illinois Glass Co.
D 114,086 April 4, 1939 Design for a Hollow Glass Building Block
Curved corner glass block with wide bars on interior
LOCKART, Edward P.
OI Owens-Illinois Glass Co.
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.
D 115,432 June 27, 1939 Design for a Hollow Glass Building Block
Square block design with quarter circle concave ridges
SUTTER, John H.
OI Owens-Illinois Glass Co.
U 2,164,093 June 27, 1939 Method of Joining Glass Block Sections
Automatic machine for joining glass blocks with aluminum
SOUBIER, Leonard D.
OI Owens-Illinois Glass Co.
U 2,170,602 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.
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.
U 2,182,986 December 12, 1939 Method and Automatic Device for Sealing Glass Block Halves Together
Machine to seal glass block halves together
HOGE, John R.
SOUBIER, Leonard D.
MANKIN, Lawrence O.
OI Owens-Illinois Glass Co.
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.
U 2,196,109 April 2, 1940 Hollow Glass Building Block
Blocks with wire glass
EASTUS, Harold L.
OI Owens-Illinois Glass Co.
U 2,198,578 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.
U 2,199,356 April 30, 1940 Glassware Forming Apparatus
Glass block press
BROWN, Alvin E.
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 2,210,583 August 6, 1940 Mold
Glass block mold
HENRY, Kenneth M.
OI Owens-Illinois Glass Co.
D 122,269 September 3, 1940 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
U 2,215,984 September 24, 1940 Apparatus for Producing Hollow Glass Articles
Glass suction press for CD 128
SOUBIER, Leonard D.
Press Owens-Illinois Glass Co.
U 2,228,613 January 14, 1941 Machine for Forming Glass Articles
Glass Block Pressing Machine
SOUBIER, Leonard D.
OI Owens-Illinois Glass Co.
D 126,906 April 29, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
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 2,259,728 October 21, 1941 Apparatus for Making Hollow Glass Building Blocks
Machine for making glass block
BRIDGES, Donald A.
OI Owens-Illinois Glass Co.
D 130,518 November 25, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
D 130,519 November 25, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
D 130,520 November 25, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
D 130,521 November 25, 1941 Design for a Hollow Glass Building Block
Design for glass block
KENDALL, Roy C.
OI Owens-Illinois Glass Co.
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 2,304,736 December 8, 1942 Mold Lock
Mold lock for glass block molds
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,318,362 May 4, 1943 Wall Construction
Glass Block wall construction without mortar
BOEGLEN, Durwood L.
LOCKART, Edward P.
OI Owens-Illinois Glass Co.
U 2,331,041 October 5, 1943 Method of Surface Treating Glass Containers
Treatment of interior surfaces of glass block
NOBLE, Burton A.
OI Owens-Illinois Glass Co.
U 2,331,053 October 5, 1943 Insulator Plunger Support
Insulator press
SHILLINGER, Clare B.
Press Owens-Illinois Glass Co.
U Specimen known 2,336,864 December 14, 1943 Apparatus For Forming Insulators
CD 1030: Wireholder made of glass, press for making the design
HOLMES, Minot K.
Insulator Owens-Illinois Glass Co.
U 2,336,874 December 14, 1943 Method of and Apparatus for Producing Hollow Glass Blocks
Machine for dehydrating glass block halves
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,349,739 May 23, 1944 Pressure Sustaining Apparatus
Machine for pressing glass block halves together
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,352,151 June 20, 1944 Insulator
CD 1030; Wireholder made of glass with detachable, interchangeable mounting pins
HOLMES, Minot K.
Wireholder Owens-Illinois Glass Co.
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 2,383,556 August 28, 1945 Mold Lock
Mold lock for glass block molds
LOUDEN, Harry M.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.
U 2,393,549 January 22, 1946 Press Molding Machine
Press for glass land mine production
MCCREERY, Cecil Wayne
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.
U 2,418,713 April 8, 1947 Thermally Toughened Insulator
CD 228.5: tempering the surface of glass insulators for added strength
HOLMES, Minot K.
PLUMMER, Jesse H.
Insulator Owens-Illinois Glass Co.
D 151,797 November 16, 1948 Design for a Hollow Glass Building Block
Design for glass block
SUTTER, John H.
OI Owens-Illinois Glass Co.
D 151,798 November 16, 1948 Design for a Hollow Glass Building Block
Design for glass block
SUTTER, John H.
OI Owens-Illinois Glass Co.
D 151,799 November 16, 1948 Design for a Hollow Glass Building Block
Design for glass block
SUTTER, John H.
OI Owens-Illinois Glass Co.
U 2,532,478 December 5, 1950 Building Block
Multiple celled glass block
BRIDGES, Donald A.
OI Owens-Illinois Glass Co.
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.
U 2,596,341 May 13, 1952 Burner Block and Burner
Glass furnace burner and refractory burner block
MCCREERY, Cecil W.
HATFIELD, Milton W.
OI Owens-Illinois Glass Co.
U 2,596,694 May 13, 1952 Glass Welding Method
Method of welding glass block and TV Tube halves together
KEGG, Robert R.
OI Owens-Illinois Glass Co.
U 2,680,332 June 8, 1954 Welding Glass Parts
Method of welding glass block and TV Tube halves together
YOUNG, Norton S.
OI Owens-Illinois Glass Co.
U 2,738,838 March 20, 1956 Glass Block Ventiliating Device
Operable glass block vent
SUTTER, John H.
OI Owens-Illinois Glass Co.
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 2,835,623 May 20, 1958 Method of Forming a Unitary Panel of Glass Blocks
Pre-assembled glass block windows and skylight panels
VINCENT, Harold B.
MCDAVITT, Murray
OI Owens-Illinois Glass Co.
U 2,843,925 July 22, 1958 Methods of Separating Glass Articles
Method of Separating TV Tubes & Glass Blocks
LOGUE, James A.
ROBERTS, Theron W.
SWANSON, Frank O.
OI Owens-Illinois Glass Co.
U 2,844,998 July 29, 1958 Glass Building Block Having Light Directing Properties
Glass block that directs light
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
U 2,851,973 September 16, 1958 Skylight Construction
Skylights made of glass block
STARK, Charles H.
LENKE, George H.
OI Owens-Illinois Glass Co.
U 2,857,505 October 21, 1958 Method of welding TV tube studs
Stud Welding Apparatus
SMITH, Ralph H.
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 2,861,392 November 25, 1958 Method of sealing TV tubes
Apparatus for Sealing Picture Tubes
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
U 2,863,260 December 9, 1958 Machine for Molding Glass Articles
Insulator press
TOEPFER, Walter J.
STUTSKE, William A.
Press Owens-Illinois Glass Co.
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.
U 2,867,551 January 6, 1959 Apparatus and Method for Applying Conductive Coatings to Insulators
Radio treatment process for CD 239
KOZAK, John
RFI Owens-Illinois Glass Co.
U 2,909,004 October 20, 1959 Plunger Removal Chuck for Insulator Press
Insulator threading mandrel removal machine
TOEPFER, Walter J.
PRENDERGAST, John R.
Press Owens-Illinois Glass Co.
U 2,941,393 June 21, 1960 Banded Hollow Glass Structural Unit
Glass block for skylights etc.
MCDAVITT, Murray
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
U 2,947,267 August 2, 1960 Skylight Mounting
Glass block for skylight
STARK, Charles H.
OI Owens-Illinois Glass Co.
U 2,953,483 September 20, 1960 Method and Apparatus for Applying Coatings to Selected Areas of Articles
Radio treatment process for CD 239
TOROK, Julius J.
RFI Owens-Illinois Glass Co.
U 2,975,554 March 21, 1961 Press Mold and Method of Operation
Insulator press for CD 1049
STUTSKE, William A.
TOROK, Julius J.
Press Owens-Illinois Glass Co.
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.
U 2,993,409 July 25, 1961 Skylights
Glass Block Skylight
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 2,995,184 August 8, 1961 Gas Burner Structures
Gas Burner for welding glass blocks
ZIMMERMAN, George
OI Owens-Illinois Glass Co.
U 3,012,378 December 12, 1961 Light Transmitting Blocks
Glass Block
BOYD, Robert A.
OI Owens-Illinois Glass Co.
U 3,026,575 March 27, 1962 Skylight Structure and Method of Fabrication
Sklight made of glass blocks
LUSHER, Kenneth G.
MCDAVITT, Murray
VINCENT, Harvard B.
OI Owens-Illinois Glass Co.
U 3,070,474 December 25, 1962 Bonded Glass Surfaces and Method Therefore
Masonry bonding grit for glass block
SMITH, Robert M.
OI Owens-Illinois Glass Co.
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.
U 3,089,051 May 7, 1963 Catadioptric Electroluminescent Glass Block
Glass Block with internal illumination
VERES, Frank
OI Owens-Illinois Glass Co.
U 3,096,684 July 9, 1963 Fenestration Structure for Control of Daylighting
Glass block wall construction
KEGG, Robert R.
LA BRECQUE, Raymond E.
WARNKE, Richard C.
OI Owens-Illinois Glass Co.
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.
U 3,119,681 January 28, 1964 Glass Forming Molds
Mold for Glass Blocks and TV Faceplates
VOGELPHOL, Rol L.
OI Owens-Illinois Glass Co.
U 3,122,861 March 3, 1964 Field Replacement Block in Masonry Walls and Panels
Field Replacement of Glass Blocks
IDEN, Charles H.
OI Owens-Illinois Glass Co.
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.
U 3,129,089 April 14, 1964 Forming Glass Articles
Press for glass blocks & TV faceplates
TOROK, Julius J.
OI Owens-Illinois Glass Co.
D 198,626 July 14, 1964 Glass Block
Design for glass block
LOCKHART, Edward P.
MCWHORTER, William E.
OI Owens-Illinois Glass Co.
U 3,148,047 September 8, 1964 Press-Molding Machine With Heat Flow Control
TV Faceplate molding machine
TOROK, Julius J.
OI Owens-Illinois Glass Co.
U 3,155,479 November 3, 1964 Centrifugal Molds and Method of Forming Hollow Articles
Glass TV Tube Molds
ZIMMERMAN, George
OI Owens-Illinois Glass Co.
U 3,166,687 January 19, 1965 Transparent Electroluminescent Cell and Glass Block
Glass Block with internal illumination
VERES, Frank
OI Owens-Illinois Glass Co.
U 3,202,498 August 24, 1965 Glass Forming Plunger
Glass press for TV faceplates and glass block
TOROK, Julius J.
OI Owens-Illinois Glass Co.
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.
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.
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.
U 3,589,986 June 29, 1971 Method of Fabricating a Glass Forming Apparatus
Plating of molds with Chromium for glass blocks & TV faceplates
NULL, Carroll Thomas
OI Owens-Illinois Glass Co.
 Otis Gibson
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
 Orville W. Owen
U 303,936 August 19, 1884 Machine for Making Glass Insulators
Press for making insulators
KRELL, Emil F.
Press 3/5 to Orville W. Owen
 Onondaga Pottery Co.
U 2,479,861 August 23, 1949 Land Mine
Land Mine made of glass or ceramic
PASS, Richard H.
OU Onondaga Pottery Co.
 Oliver Iron & Steel Corp.
U 1,866,104 July 5, 1932 Insulator Bracket
Wireholder bracket for rack spools
HEIM, Warren M.
Bracket Oliver Iron & Steel Corp.
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.
U 2,345,404 March 28, 1944 Reinforced Insulator Pin
Steel pin with sheet metal reinforcing down to crossarm to provide bracing against horizontal strain
MACK, Edward A.
Pin Oliver Iron & Steel Corp.
 Nora Pfannenstiel
U 1,515,755 November 18, 1924 Suspension Insulator
Suspension, special pin design
ROHDE, Fritz
SCHWINNING, Max
Suspension Nora Pfannenstiel
 Niagara, Lockport and Ontario Power Co.
U 889,803 June 2, 1908 Support for Electrical Conductors
Impractical arrangement using a secondary insulator to support broken conductor above to prevent the line from dropping to the ground. It uses M-3890 insulators.
PAINE, Francis B. H.
Miscellaneous Niagara, Lockport and Ontario Power Co.
 NGK Insulators, Ltd.
U 3,658,583 April 25, 1972 Method for Producing Semi-Conducting Glaze Compositions for Electric Insulators
RFI semi-conductive glaze formulas
OGAWA, Yutaka
RFI NGK Insulators, Ltd.
U 4,465,900 August 14, 1984 High Voltage Glazed Porcelain Insulators
Porcelain insulator and glaze designed specifically for DC service
SEIKE, Shoji
MITSUMATSU, Yoshio
Porcelain NGK Insulators, Ltd.
U 4,559,414 December 17, 1985 Electrolytic Corrosion Resistant Insulator
Suspension insulator that is corrosion resistant
KITO, Kuniji
WATANABE, Akihiro
Suspension NGK Insulators, Ltd.
U 4,658,092 April 14, 1987 Explosion Preventing Suspension Insulator
Suspension insulator using cement to prevent damage to insulator from expansion
NAKAMURA, Itsushi
MORI, Shigeo
Suspension NGK Insulators, Ltd.
U 4,782,198 November 1, 1988 Suspension Insulators
Suspension (porcelain) with glazed head for cementing metal cap
MORIYA, Tsutomu
SHINOKUBO, Hiroyuki
Suspension NGK Insulators, Ltd.
U 4,782,199 November 1, 1988 Insulators Having Improved Steep Wave Front Characteristics
Suspension, head treated with special glaze to strengthen cap/cement
SEIKE, Shoji
TOTOKI, Takao
MIMA, Toshiyuki
Suspension NGK Insulators, Ltd.
U 4,814,551 March 21, 1989 Anticorrosive Insulator
Suspension (anticorrosive), cementing metal cap for DC service (Japan)
WATANABE, Akihiro
MORI, Shigeo
Suspension NGK Insulators, Ltd.
U 5,796,048 August 18, 1998 Insulator having Conductive Surface Coating to Prevent Corona Discharge
RFI coating
SUZUKI, Yoshihiro
KUTSUNA, Eiji
RFI NGK Insulators, Ltd.
 Newton Bartle
U 679,544 July 30, 1901 Insulator for Electric Wires
Self-tying miscellaneous
SHARPE, John E.
Self-tying Miscellaneous 1/2 to Newton Bartle
U 700,570 May 20, 1902 Insulator Supporting Arm
Pin assembly for crossarm
SHARPE, John E.
Pin 1/2 to Newton Bartle
 Newman, 1/2 to Knupp
U 1,070,151 August 12, 1913 Insulator
Clamp type
MARTIN, William H.
Clamp Type 1/2 to Newman, 1/2 to Knupp
 National-Standard Co.
U 1,129,358 February 23, 1915 Lightning Rod Conductor
Lightning rod attached to conductor with flat sheet metal end
MITCHELL, Melvin G.
Lightning Rod National-Standard Co.
 National Metal Molding Co.
U 1,225,460 May 8, 1917 Insulator Wall Bracket
Bracket for rack knobs
MCCARTHY, James B.
Bracket National Metal Molding Co.
 National Electric Products Corp.
U 1,934,308 November 7, 1933 Insulator Support
Bracket mounted horizontally to hold a spool insulator
HOIT, Julian D.
Bracket National Electric Products Corp.
 National Cable & Mfg. Co.
U 1,017,308 February 13, 1912 Lightning Conductor
Lightning rod tip with clip fastener to attach to conductor
MITCHELL, Melvin G.
Lightning Rod Point National Cable & Mfg. Co.
 Nathan Shute
U Specimen known 1,090,234 March 17, 1914 Insulating and Supporting Mechanism
Ohio Brass third rail support insulator designed to be use on narrower ties
ROGERS, Joseph W.
Third Rail 1/2 to Nathan Shute
 N. Slater Co., LTD
U 2,747,010 May 22, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
U 2,757,224 July 31, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
 N. Slater Co. LTD
U 2,634,313 April 7, 1953 Line Wire Transposition Bracket
Transposition bracket pressed out of a square of steel to hold four insulators
RIDGERS, Frederick G.
Transposition N. Slater Co. LTD
 Mycalex Corp. of America
U 2,317,799 April 27, 1943 Line Insulator
Insulator composed of a metallic hollow shell coated with ceramic material
PERLES, Maurice
Insulator Mycalex Corp. of America
 Motor-Columbus Aktiengesellschaft Fur Elektrische Unternehmungen
U 1,772,947 August 12, 1930 Electric Insulator
Protective metal shield to cover linkage or connectors for suspension disks to prevent moisture damage to threaded connectors
HOFFMAN, Gottfried
Suspension Motor-Columbus Aktiengesellschaft Fur Elektrische Unternehmungen
 Moore Brothers Lightning Rod Co.
U 950,454 February 22, 1910 Lightning Rod
Conductor cable made by spiralling one wire around a straight wire and making a cable using multiple pairs
MOORE, George J.
Lightning Rod Moore Brothers Lightning Rod Co.
 Montan, Inc.
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.
 Mohola Brawley
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
 Milton A. Walton
U 297,865 April 29, 1884 Machine for Making Insulator Pins
Machine to turn wooden insulator pins
SNEE, William
Pin 1/2 to Milton A. Walton
 Merwin Tuttle
U 527,318 October 9, 1894 Insulator Pin
Pin, wooden with internal reinforcing metal bar
BULLOCK, Edward J.
Pin 1/2 to Merwin Tuttle
 McLaughlin Glass Co.
U 2,005,494 June 18, 1935 Glass Feeder
Glass feeder
CHILCOTE, Ray A.
McLaughlin 1/2 to McLaughlin Glass Co.
 McKee and Brothers
U 42,143 March 29, 1864 Glass Pressing Machine
Glass press using steam piston to apply pressure
MCKEE, Frederick
BALLINGER, Charles
Press McKee and Brothers
 McGraw-Edison Co.
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.
 McGraw Electric Co.
U 2,571,495 October 16, 1951 Adjustable Insulator Bracket
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
STEINMAYER, Alwin G.
Wireholder/bracket/rack Spool McGraw Electric Co.
U 2,650,263 August 25, 1953 Bracket Construction
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
STEINMAYER, Alwin G.
Wireholder/bracket/rack Spool McGraw Electric Co.
 Maxwell Engr & Mfg. Co.
U 1,429,110 September 12, 1922 Insulator
Suspension, special U-bolt links and hook for Hewlett disks
SEAVEY, Haller D.
Suspension Maxwell Engr & Mfg. Co.
 Mast Lightning Rod Co.
U 1,625,266 April 19, 1927 Rod Coupling
Lightning rod made solid with parallel fins and connected by coupling with matching male and female threads crimped over the ends of the rod sections
MAST, Charles O.
Lightning Rod Coupling Mast Lightning Rod Co.
 Martin Baxter
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
 Marshall Lefferts
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
 Marietta Huggett
U Specimen known 864,947 September 3, 1907 Clamp for Electric Wires
Knob
BUFFINTON, Elisha W.
Knob 1/2 to Marietta Huggett
 Madison Rush
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
 Lynn Maxson
U 907,788 December 29, 1908 Insulator Clip
Tie wire clip
HALL, Alphonso R.
Tie Wire 1/2 to Lynn Maxson
 Luther A. Wright
U 262,241 August 8, 1882 Weaving Machine for Covering Bottles
Machine to weave a covering for bottles
OAKMAN, Samuel
Bottle Luther A. Wright
U 775,986 November 29, 1904 Insulator
miscellaneous with flared skirt to hold paraffin
OAKMAN, Samuel
Miscellaneous Luther A. Wright
 Luella Wingard
U 607,315 July 12, 1898 Insulator
Wall tube of two split pieces [Scientific American 8-6-1898]
WINGARD, Charles L.
Wall Tube 1/2 to Luella Wingard
 Louis Schleip
U 359,812 March 22, 1887 Insulator for Supporting and Holding Electric Wires
Cleat type for holding house wiring
PENNIE, Henry
Cleat 1/2 to Louis Schleip
 Locke, Inc.
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.
 Locke Insulator Mfg. Co.
U 795,520 July 25, 1905 Strain Insulator
Deadend composed of multiple parts
LAPP, John S.
WATTS, Arthur S.
GODDARD, Walter T.
Deadend Locke Insulator Mfg. Co.
U Specimen known 795,521 July 25, 1905 Insulator
Deadend composed of multiple parts
LAPP, John S.
Deadend Locke Insulator Mfg. Co.
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.
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 973,204 October 18, 1910 Insulating System for High Potential Electric Conductors
Suspension insulator multiples
LOCKE, Fred M.
Suspension 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 998,359 July 18, 1911 High Voltage Insulator
Suspension type
LOCKE, Fred M.
Suspension 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.
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 1,170,287 February 1, 1916 Method of Making Insulators
Suspension cementing method (high temp and humidity)
LAPP, John S.
Suspension Locke Insulator Mfg. Co.
U 1,198,732 September 19, 1916 Plunger for Forming Insulators
Plunger with holes to release pressure (see 838,727 and reissue 12,934)
LOCKE, Louis Peer
Plunger Locke Insulator Mfg. Co.
U 1,234,205 July 24, 1917 Strain Insulator
Suspension using metal jaws inside to secure pin instead of using cement
OSBORNE, David H.
Suspension Locke Insulator Mfg. Co.
U 1,251,097 December 25, 1917 Strain Insulator
Suspension using metal rings to secure pin and cap
PECK, John M.
Suspension Locke Insulator Mfg. Co.
U 1,258,211 March 5, 1918 Insulator Support
Multipart supporting pin
GODDARD, Walter T.
Multipart Locke Insulator Mfg. Co.
U 1,268,981 June 11, 1918 Strain Clamp for Aerial Cables
Clamp to securely fasten high tension conductors to suspension insulators.
LAPP, John S.
Suspension Clamp Locke Insulator Mfg. Co.
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.
 Locke Insulator Corp.
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 1,412,759 April 11, 1922 Cementless Strain Insulator
Suspension disks connected by circular clamps
STEVENS, Frank J.
Suspension Locke Insulator Corp.
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 1,426,981 August 22, 1922 Insulator
High tension strain made up of one or more ribbed insulators
GODDARD, Walter T.
Strain Locke Insulator Corp.
U 1,446,067 February 20, 1923 Method of Connecting Insulator Units
Suspension, method of cementing pin
REAGAN, Frank H.
Suspension 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 1,501,107 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 1,556,029 October 6, 1925 Method of Connecting Insulator Units
Suspension, card used to keep cement off top surface around cap
REAGAN, Frank H.
Suspension Locke Insulator Corp.
U 1,579,174 March 30, 1926 Insulator
Suspension with metal eye-bolt pin
GOUVERNEUR, Minor F. H.
Suspension 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 1,617,154 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 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 1,647,695 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 1,650,034 November 22, 1927 Insulator
Suspension with slotted metal cap for pin linkage
OSBORNE, David 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.
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 1,657,924 January 31, 1928 Chain Link for Insulators
Link for Hewlett suspension insulator
GOUVERNEUR, Minor F. H.
GOUVERNEUR, Fairfax H.
Suspension Locke Insulator Corp.
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 1,677,294 July 17, 1928 Insulator Assembly Jig
Centering jig for assembling multipart porcelain insulators
ROBERTSON, John Cullen
Manufacturing Locke Insulator Corp.
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 1,695,458 December 18, 1928 Insulator
Multipart (& suspension disk) with spacing cap and molten metal as cement
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,696,861 December 25, 1928 Insulator Supporting Pin
Hollow steel pin, cast iron base resting on crossarm, and bolt to attach to crossarm
PLIMPTON, Bentley A.
Pin Locke Insulator Corp.
U 1,697,422 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 1,697,434 January 1, 1929 Hole Cutting Machine
Machine for cutting holes in Hewlett type suspension disks for links
MOORE, JR., Stewart L.
Manufacturing Locke Insulator Corp.
U 1,697,435 January 1, 1929 Hole Cutting Machine
Machine for cutting holes in Hewlett type suspension disks for links
MOORE, JR., Stewart L.
Manufacturing Locke Insulator Corp.
U 1,699,063 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 1,712,556 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.
U 1,712,900 May 14, 1929 Method of Making Forged Insulator Caps
Method to manufacture steel cap for suspension disks
OSBORNE, David H.
Manufacturing Locke Insulator Corp.
U 1,714,814 May 28, 1929 Pole Bracket
Steel bracket for pole top that supports insulator pin on side of pole
PLIMPTON, Bentley A.
Bracket Locke Insulator Corp.
U 1,716,123 June 4, 1929 Insulator
Multipart with external cement joints covered with tar for RFI
GODDARD, Walter T.
Multipart Locke Insulator Corp.
U 1,717,996 June 18, 1929 Means for and Method of Making Insulators
Press method of molding porcelain insulator with vibration improves quality (Hewlett)
MOORE, JR., Stewart L.
Press Locke Insulator Corp.
U 1,719,945 July 9, 1929 Insulator
Suspension with cutout metal cap and split spring metal eye-pin
SCHOENTHALER, George Henry
Suspension Locke Insulator Corp.
U 1,719,989 July 9, 1929 Method of and Apparatus for Assembling Insulators
Method of assembling the shells, holding downward pressure, and vibrating to settle cement around the shells to eliminate air
MOORE, JR., Stewart L.
Manufacturing Locke Insulator Corp.
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.
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.
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 1,772,513 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 1,776,557 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 1,776,573 September 23, 1930 Insulator
Cementing treatment for a suspension insulator such that the cement will withstand temperature changes
VAN ATTA, Cloyd A.
Suspension Locke Insulator Corp.
U 1,778,152 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 1,778,176 October 14, 1930 Insulator
Suspension design using soft metal liner to prevent strain between cap and insulator
VAN ATTA, Cloyd A.
Suspension Locke Insulator Corp.
U 1,780,246 November 4, 1930 Glass Insulator and Method of Making Same
Suspension glass Hewlett design with embedded/loose fitting metal brackets
ROWLAND, Davidge H.
Suspension Locke Insulator Corp.
U 1,784,392 December 9, 1930 Manufacture of Insulators
Suspension insulator with glazed sanded surfaces to improve strength of cap
ROWLAND, Davidge H.
Suspension Locke Insulator Corp.
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 1,793,191 February 17, 1931 Insulator Pin
Hollow steel pin that can be rotate to align conductor and secured with a keeper pin
PLIMPTON, Bentley A.
Pin Locke Insulator Corp.
U 1,794,111 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 1,808,105 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 1,810,424 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.
U 1,819,380 August 18, 1931 Insulator Connection
Suspension insulator cap and pin that can be locked in securely
OSBORNE, David H.
Suspension Locke Insulator Corp.
U 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.
U 1,822,458 September 8, 1931 Measuring Apparatus
Device to measure the density of clay slip
ROWLAND, Davidge H.
ROBERTSON, John C.
Manufacturing Locke Insulator Corp.
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 1,831,765 November 10, 1931 Insulator Link Connector
Link for Hewlett suspension disk
GOUVERNEUR, Minor F. H.
Link Locke Insulator Corp.
U 1,832,157 November 17, 1931 Insulator
Suspension insulator pin that is coated and designed to prevent stress from temperature changes
VAN ATTA, Cloyd B.
Suspension Locke Insulator Corp.
U 1,832,240 November 17, 1931 Insulator Pin and Method of Making Same
Hollow forged steel pin with base support, bolt, and means to keep out water
PLIMPTON, Bentley A.
Pin Locke Insulator Corp.
U 1,841,949 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 1,848,622 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 1,863,539 June 14, 1932 Pole Top Pin
Steel pin with strap to attach to top of pole
HAWLEY, Kent A.
Pin Locke Insulator Corp.
U 1,865,134 June 28, 1932 Pole Top Bracket
Pole top bracket that uses the same length steel insulator pin as that used on the wooden crossarm
PLIMPTON, Bentley A.
Bracket Locke Insulator Corp.
U 1,866,792 July 12, 1932 Multiple Insulator Trimming Machine
Machine to trim several insulators at the same time
BENARD, Arthur G.
Manufacturing Locke Insulator Corp.
U 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 1,888,571 November 22, 1932 Pin Centering Device and Cushion Retainer
Means to keep pin centered in a suspension insulator during cementing
ROBERTSON, John Cullen
Suspension Locke Insulator Corp.
U 1,889,244 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 1,891,708 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.
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 1,894,292 January 17, 1933 Strain Insulator
Helical strain insulator
CRAMER, Walter
Helical Locke Insulator Corp.
U 1,902,310 March 21, 1933 Method of Making Insulator Caps
Method of pressing out a malleable metal cap
PLIMPTON, Bentley A.
Manufacturing Locke Insulator Corp.
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.
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 1,912,007 May 30, 1933 Insulator Pin
Steel pin and externally threaded steel cone support securely mounted to the crossarm
PLIMPTON, Bentley A.
HAWLEY, Kent A.
Pin Locke Insulator Corp.
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 1,925,058 August 29, 1933 Process for Forming Plastic Clay Masses
Wet process clay reflocculation method to eliminate pugging process
ROWLAND, Davidge H.
WETZEL, Kurt
Wet Process Locke Insulator Corp.
U 1,931,626 October 24, 1933 Insulator
Threads molded from cement in finished insulator
STEVENS, Frank J.
Thread 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 1,944,134 January 16, 1934 Insulator Assembling Machine
Machine to press on and turn cap to secure the cement and cement in the metal pin
ROBERTSON, John Cullen
Manufacturing Locke Insulator Corp.
U 1,953,025 March 27, 1934 Corona Shield
Corona shield in the form of a metal band that fits around the tie-wire groove
ROWLAND, Davidge H.
Corona Locke Insulator Corp.
U Specimen known 1,955,609 April 17, 1934 Insulator
U-856A fogbowl
ROWLAND, Davidge H.
Insulator Locke Insulator Corp.
U 1,958,435 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.
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 1,976,378 October 9, 1934 Aviation Marker
Aviation warning light attached to a suspension insulator
VROOMAN, Edward C.
Misc Locke Insulator Corp.
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 1,977,957 October 23, 1934 Bus Bar and Bushing Connection
Connector to hold bus bar inside a bushing
STEVENS, Leland S.
Bushing Locke Insulator Corp.
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 1,978,649 October 30, 1934 Bus Bar and Bushing Connection
Connector to hold bus bar inside a bushing
ROBERTS, Charles W.
Bushing Locke Insulator Corp.
U 1,983,569 December 11, 1934 Pedestal Switch Insulator
Pedestal insulator to support switch gear or bus bar
ROWLAND, Davidge H.
Pedestal Locke Insulator Corp.
U 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 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.
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 2,003,225 May 28, 1935 Guy Insulating and Grading Means
Guy strain insulator for radio antenna guy wires
VROOMAN, Edward C.
Antenna Locke Insulator Corp.
U 2,023,808 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 2,026,782 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.
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.
U 2,043,523 June 9, 1936 Insulator
Suspension disk using metal malleable liner to aid cement expansion under the metal cap
VAN ATTA, Cloyd B.
Suspension Locke Insulator Corp.
U 2,044,332 June 16, 1936 Apparatus for Forming Ceramic Products
Manufacturing method to produce well mixed clay slip for casting insulators
ROWLAND, Davidge H.
Manufacturing Locke Insulator Corp.
U 2,048,504 July 21, 1936 Tower Supporting Insulator
Insulator to support radio antenna tower
HAWLEY, Kent A.
Radio Locke Insulator Corp.
U 2,048,558 July 21, 1936 Insulator Plunging Machine
Plunging machine to form the shape of bushings and other insulators without the need for turning
MOORE, Stewart L.
Manufacturing Locke Insulator Corp.
U 2,056,813 October 6, 1936 Flux Distributing Insulator
Radio antenna strain insulator with metal ribs on the outside to control the electrostatic flux density
VROOMAN, Edward C.
Strain Locke Insulator Corp.
U 2,059,036 October 27, 1936 Clay Testing Apparatus
Machine to measure the hardness or plasticity of clay
ROWLAND, Davidge H.
Manufacturing Locke Insulator Corp.
U Specimen known 2,084,866 June 22, 1937 High Voltage Insulator
U-796 styles and CD 221 Hi-Top design
PLIMPTON, Bentley A.
Insulator Locke Insulator Corp.
U Specimen known 2,088,433 July 27, 1937 Fog and Dust Insulator
U-816 series
PLIMPTON, Bentley A.
Insulator Locke Insulator Corp.
U 2,093,872 September 21, 1937 Radio Antenna Insulator for Airplanes
Antenna insulator for airplanes
MCCOY, Robert L.
Antenna Locke Insulator Corp.
U 2,093,875 September 21, 1937 Strain Insulator
Strain insulator for radio antennas
STEVENS, Leland James
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.
U Specimen known 2,157,100 May 9, 1939 Glazed Ceramic Insulator and the Like
Glaze - compression glaze
ROWLAND, Davidge H.
Glaze Locke Insulator Corp.
U 2,230,205 January 28, 1941 Process of Connecting a Metal Body to a Vitreous Ceramic Body
Metallic coating to facilitate soldering metal parts onto the insulator
ROWLAND, Davidge H.
CROSKEY, Carl D.
Miscellaneous Locke Insulator Corp.
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 2,264,152 November 25, 1941 Method of Forming a Metallic Surface on Ceramic Bodies
RFI metallic coating that strongly adheres to the insulator
ROWLAND, Davidge H.
RFI Locke Insulator Corp.
U Specimen known 2,287,976 June 30, 1942 Insulator
Glaze - compression glaze & sand joint
CROSKEY, Carl D.
ROWLAND, Davidge H.
Glaze Locke Insulator Corp.
U 2,292,248 August 4, 1942 Bushing
Bushing composed of several parts with open chambers
STEVENS, Leland J.
Bushing Locke Insulator Corp.
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.
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.
U 2,346,620 April 11, 1944 Method of Forming Insulator Bodies
Method to mix water with dry ingredients to form clay of the proper water content
SKIPPER, Edward M.
Clay Locke Insulator Corp.
U 2,355,684 August 15, 1944 Insulator Cutting Machine
Machine to automatically trim the profile in insulators in an assembly line process
SKIPPER, Edward M.
Machine Locke Insulator Corp.
U 2,357,550 September 5, 1944 Insulator
RFI coating applied before firing the insulator
ROWLAND, Davidge H.
RFI Locke Insulator Corp.
U 2,425,270 August 5, 1947 Method and Apparatus for Forming Blanks for Post and Pedestal Insulators
Manufacturing method to produce blanks for post and pedestal insulators
SKIPPER, Edward M.
Manufacturing Locke Insulator Corp.
 Line Material Co.
U 1,546,591 July 21, 1925 Cushion Head Insulator Pin
Threads on a pin made of soft metal wire such as lead
KYLE, William D.
Pin Line Material Co.
U 1,562,836 November 24, 1925 Pin for Insulators
Pin with 3 or 4 soft-metal ribs that form threads to screw into the insulator
KYLE, William D.
Pin Line Material Co.
U 1,583,462 May 4, 1926 Supporting Pin for Insulators
Pin bracket that fits around and bolts to crossarm
HENDEE, Lem E.
Pin Line Material Co.
U 1,594,207 July 27, 1926 Insulator
Wireholder with lag screw and ring
KYLE, William D.
Wireholder Line Material Co.
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.
U 1,611,464 December 21, 1926 Insulator Support Fixture
Bracket for rack spool wireholders
LEMONT, Clarence J.
Bracket Line Material Co.
U 1,613,464 January 4, 1927 Reinforced Insulator
Wireholder with lag screw and or U-shaped metal bracket
KYLE, William D.
Wireholder Line Material Co.
U 1,651,704 December 6, 1927 Line Insulator
Wireholder with lag screw
HENDEE, Lem E.
Wireholder Line Material Co.
U 1,663,011 March 20, 1928 Line Conductor Insulator
Wireholder with lag screw and bolt attachment
KYLE, William D.
Wireholder Line Material Co.
U 1,674,905 June 26, 1928 Insulator
Wireholder with lag screw embedded in eye-shaped insulator
KYLE, William D.
HENDEE, Lem E.
Wireholder Line Material Co.
U 1,696,491 December 25, 1928 Insulator Rack
Simply constructed secondary rack without the base and other parts. Just composed of rods to hold the spool insulators and fastening bracket.
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,706,237 March 19, 1929 Secondary Rack
Wireholder with hole near the bottom for attaching to a metal rack and hole near the top for securing the drop wire.
KYLE, William D.
Wireholder Line Material Co.
U Specimen known 1,709,477 April 16, 1929 Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,715,507 June 4, 1929 Insulator Mounting
Steel pin with malleable threaded thimble and coil spring for threads to contact the insulator pinhole
KYLE, William D.
Pin Line Material Co.
U 1,720,181 July 9, 1929 Insulator
Wireholder
KYLE, William D.
Wireholder Line Material Co.
U 1,736,043 November 19, 1929 Insulator
Knob
KYLE, William D.
Knob Line Material Co.
U 1,736,044 November 19, 1929 Screw Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,749,915 March 11, 1930 Insulator Rack
Wireholder mounted on a rack
KYLE, William D.
Wireholder Line Material Co.
U 1,779,501 October 28, 1930 Insulator
Wireholder with lag screw
STEINMAYER, Alwin G.
Wireholder Line Material Co.
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.
U 1,797,238 March 24, 1931 Insulator Mounting Pin
Pin with threaded lead head for screwing into an insulator
LEMONT, Clarence J.
Pin Line Material Co.
U 1,799,470 April 7, 1931 Secondary Rack
Simply constructed secondary rack without the base and other parts. Just composed of rods to hold the spool insulators and fastening bracket.
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,821,221 September 1, 1931 Insulator and Terminal
Metal terminal mounted on outside of a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connection (see 1,821,222; 1,877,903; 1,914,436)
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,821,222 September 1, 1931 Insulator
Metal terminal mounted on outside of a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connection (see 1,821,221; 1,877,903; 1,914,436)
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,914,436 June 20, 1933 Insulator
Metal terminal built into a secondary rack insulator or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connection (see 1,821,221; 1,821,222; 1,877,903)
KYLE, William D.
Bracket/secondary Rack Line Material Co.
U 1,914,437 June 20, 1933 Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
U 1,937,764 December 5, 1933 Insulator
Self-tying tree insulator with mounting lag screw and convoluted metal wire clip cemented in the porcelain insulator designed such that the insulator is turned to allow the conductor to be dropped in the slot between the ends of the wire clip and then the insulator is turned 90 degrees to secure the condutor in the wire clip.
KYLE, William D.
Tree Insulator Line Material Co.
U 2,016,470 October 8, 1935 Secondary Rack and the Process of Making Same
Simple secondary rack construction to reduce cost.
WHITE, Leonard H.
Bracket/secondary Rack Line Material Co.
U 2,191,171 February 20, 1940 Insulator
Wireholder with lag screw
LEE, Leffman H.
GUTHRIE, James M.
Wireholder Line Material Co.
U 2,218,004 October 15, 1940 Porcelain Insulator Screw Bracket
Wireholder with lag screw
LEMONT, Clarence J.
Wireholder Line Material Co.
U 2,241,212 May 6, 1941 Insulator Pin Reinforcing Bracket
Bracket attached to pin offers lateral support to prevent the bending of the pin
MACK, Edward A.
Bracket/pin Line Material Co.
U 2,259,526 October 21, 1941 Insulator
Wireholder with lag screw (see reissue 22,269 on 4-11-1944)
LEMONT, Clarence J.
Wireholder Line Material Co.
U 2,260,917 October 28, 1941 Insulator Pin
Steel pin with flanges to fit in top and bottom of hole drilled for larger wooden pins
RUGGIERI, Michael
Pin Line Material Co.
U 2,296,679 September 22, 1942 Service Drop Insulator
Service drop bracket and insulator to tie-off multiple service lines from one main conductor
MACK, Edward A.
Service Drop Line Material Co.
R 22,469 April 11, 1944 Insulator
Wireholder with lag screw (reissue of 2,259,526)
LEMONT, Clarence J.
Wireholder Line Material Co.
U 2,392,342 January 8, 1946 Combined Spark Gap and Insulator
CD 186, CD 186.1, CD 186.2; Transparent glass insulator with spark gap within the insulator for signal circuits
STEINMAYER, Alwin G.
Spark Gap Line Material Co.
 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
U 1,864,300 June 21, 1932 Anchor Device
Metal attachment device for wireholders
FORREST, Elbert E.
Wireholder Line Material Co
U 1,873,434 August 23, 1932 Supporting Fixture
Simply constructed secondary rack with detachable spool insulators.
LEMONT, Clarence J.
Bracket/secondary Rack Line Material Co
U 1,877,903 September 20, 1932 Electric Insulator
Metal terminal attached to the outside of a secondary rack or wireholder that is used to secure the deadend of the drop wire with the terminal making the connection to the wire leading into the building eliminating the need for soldering or other poor connection (see 1,821,221; 1,821,222; 1,914,436)
KYLE, William D.
Bracket/secondary Rack Line Material Co
 Lewis Stillwell
U 689,218 December 17, 1901 Electrical Insulator
Pin sleeve (see design 34,211 for U-966)
PARKS, Albert F.
Insulator Lewis Stillwell
 Leander G. Davis and Milton Hottel
U 793,313 June 27, 1905 Insulator
Split insulator to hold wire in the center hole and split bracket to hold insulator above crossarm to prevent line wire from dropping if insulator breaks
MOSS, Bertie B.
Miscellaneous Leander G. Davis and Milton Hottel
 Lawrence Gray & Joseph Ham
U Specimen known 291,072 January 1, 1884 Press for Molding Glass Insulators
Press for making glass insulators to form interior
MURPHY, Edward J.
Press Lawrence Gray & Joseph Ham
 Lapp Insulator Co., Inc.
U 1,561,002 November 10, 1925 Method of Producing Clay Bodies and Apparatus Used
Vacuum process for removing air from the clay
LAPP, Grover W.
Vacuum Lapp Insulator Co., Inc.
U 1,710,880 April 30, 1929 Insulator Stack
Pedestal type stackable insulators with metal flanges that can be easily adjusted
LAPP, John S.
Pedestal Lapp Insulator Co., Inc.
U 1,901,349 March 14, 1933 270 Degree Clamp
Bracket or clamp for high tension suspension insulator used to redirect the conductor 270 degrees in another direction. Clamps also found with patent 2,111,505.
LAPP, John S.
Suspension Lapp Insulator Co., Inc.
U 1,937,964 December 5, 1933 Insulator Support for Tower or Mast Type Antenna
Insulator for supporting radio tower or mast antenna
JENNER, Ralph L.
Antenna Lapp Insulator Co., Inc.
U 1,998,549 April 23, 1935 Insulator Construction
Insulator that will withstand high compression and support the weight of a radio antenna
LAPP, Grover W.
JENNER, Ralph L.
Antenna Lapp Insulator Co., Inc.
U 2,144,537 January 17, 1939 Insulator Construction
Metal end cap for post insulator
JENNER, Ralph L.
Post Type Lapp Insulator Co., Inc.
U 2,327,972 August 24, 1943 High Strength Ceramic Surface
Manufacturing method of using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,337,691)
STETTINIUS, Kenneth E.
DEWEY, Benjamin F.
Manufacturing Lapp Insulator Co., Inc.
U 2,337,691 December 28, 1943 Method of Making High Strength Ceramic Surfaces
Method of manufacturing insulators using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,327,972)
STETTINIUS, Kenneth E.
DEWEY, Benjamin F.
Manufacturing Lapp Insulator Co., Inc.
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.
U 2,582,442 January 15, 1952 Power Wrench Mechanism for Ceramic Filter Presses
A motorized wrench to tighten the screw on the leaves of a clay filter press that can be moved from one press to the other.
LAPP, Grover W.
Filter Press Lapp Insulator Co., Inc.
U 2,625,581 January 13, 1953 Guy Insulator
Heavy duty guy strain insulator
JENNER, Ralph L.
FIERO, Carl D.
Strain Lapp Insulator Co., Inc.
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.
U 3,347,003 October 17, 1967 Protective Mounting Structure for Retractable Antenna
Retractable antenna for a bomb shelter
LAPP, Rudolph S.
Antenna Lapp Insulator Co., Inc.
 Lapp Insulator Co.
U 1,427,213 August 29, 1922 Lathe
Lathe to cut insulator profile using a profile template
LAPP, John S.
Lathe Lapp Insulator Co.
U 1,654,047 December 27, 1927 Strain Insulator
Strain insulator with steel covering whereby the porcelain insulator is in compression
LAPP, John S.
Strain Lapp Insulator Co.
U 1,738,188 December 3, 1929 Insulating Support
Suspension cap, pin and connector
LANYON, Samuel Herbert
Suspension Lapp Insulator Co.
 L. S. Brach Manufacturing Co.
D Specimen known 69,381 February 9, 1926 Design for an Insulator
Radio strain
BRACH, Leon S.
Strain L. S. Brach Manufacturing Co.
 L. S. Baldwin
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
 L. O. F. Glass Fibers Co.
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.
 Kimble 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.
U 2,972,783 February 28, 1961 Method for Fabricating Glass Block Panels
Toplite skylight glass block panels
RUSSELL, Richard G.
THEISEN, Jean P.
STARK, Charles H.
KI Kimble Glass Co.
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.
U 2,992,515 July 18, 1961 Apparatus for Forming Perforated Glass Bodies
Machine to place holes in glass blocks
MATHIAS, SR., Russell L.
KI Kimble Glass Co.
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 3,003,287 October 10, 1961 Apparatus for Forming Glass Articles
Glass block and TV faceplate pressing machine
TOROK, Julius J.
KI Kimble Glass Co.
U 3,019,559 February 6, 1962 Take-Out Apparatus for Glassware
Machine to remove glass block halves from machines
STUTSKE, William A.
WOOD, JR., Frederick H.
KI Kimble Glass Co.
 Karlsbader Kaolin-Industrie-Gesellschaft
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
 Karl Thielscher
U 2,219,727 October 29, 1940 Insulator Structure
Wireholder with multiple grooves and lag screw
STEWART, Lory B.
Wireholder 1/3 to Karl Thielscher
U 2,237,717 April 8, 1941 Insulator Structure
Wireholder with multiple grooves and lag screw
STEWART, Lory B.
STEWART, Alvin J.
Wireholder 1/3 to Karl Thielscher
 K. L. Catlin and Lane Lyle
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
 Joslyn Mfg. & Supply Co.
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.
R 19,473 February 19, 1935 Bracket
Bracket for poles for several rack spool wireholders (see 1,839,594)
RICK, Karl L.
Bracket Joslyn Mfg. & Supply Co.
U 2,740,827 April 3, 1956 Insulator Bracket
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
SMALLEY, Burton M.
Wireholder/bracket/rack Spool Joslyn Mfg. & Supply Co.
 Joslyn Mfg and Supply Co.
U 2,454,677 November 23, 1948 Secondary Rack
Strong secondary rack bracket that is shorter yet easily bolted in place.
SMALLEY, Burt M.
Bracket/secondary Rack Joslyn Mfg and Supply Co.
 Josiat Smith
U Specimen known 1,354,396 September 28, 1920 Fastening Device
Knob with ribs on nail to prevent separation
HOENIG, Harry E.
Knob 1/2 to Josiat Smith
 Joseph Levy
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
 Joseph Herz
U Specimen known 187,183 February 6, 1877 Improvement in Telegraph Insulators
CD 130.2, wire groove composed of a series of projections
SEILER, Paul
Insulator 1/2 to Joseph Herz
 Joseph A. Jeffrey
U Specimen known 526,498 September 25, 1894 Conductor Support and Insulator
Jeffrey Mine insulator (CD 185)
OSYOR, David N.
Mine Joseph A. Jeffrey
 Johns-Manville Corp.
U 3,779,730 December 18, 1973 Control for Glass Marble, Feeding, Melting, and Fiber Forming Unit
Machine for feeding, melting, and making fibers from glass marbles.
RAMGE, Dennis Lee
Glass Marble Johns-Manville Corp.
 John Watson
U Specimen known 888,616 May 26, 1908 Insulator
CD 109.7 self-tying with fingers
JOHNSON, Chauncey C.
Insulator 45/100 to John Watson
U Specimen known 913,212 February 23, 1909 Insulator Mold
Plunger for press formed segmented threads in pinhole
JOHNSON, Chauncey C.
Plunger 9/20 to John Watson
 John Wall
U 831,168 September 18, 1906 Insulator
Knob on side of pony insulator similar to British terminal insulator
LEMBECK, Arthur J. L.
Knob 1/2 to John Wall
 John Townsend
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
 John S. Potter
U 444,317 January 6, 1891 Electric Wire Insulating Cleat
Cleat
POTTER, John S.
CARTWRIGHT, David J.
Cleat John S. Potter
 John Randolph Fletcher
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
 John R. Dixon
U 582,396 May 11, 1897 Insulator
Self-tying slot top
SCHNEE, William G.
Self-tying Slot Top 1/2 to John R. Dixon
 John Porter and Electric Service Supplies Co.
U Specimen known 927,701 July 13, 1909 Insulator Support
Pin bracket (metal) for insulator on crossarm
WOODMANSEE, Fay
Pin John Porter and Electric Service Supplies Co.
 John P. Elkins
U 771,483 October 4, 1904 Glass Mold
Glass press that can be adapted for insulator manufacture
MYERS, McClelland
Press 1/2 to John P. Elkins
 John Hurtin King
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
 John G. Thompson
U 474,319 May 3, 1892 Insulator
Strain type
GOODRICH, Charles F.
Strain 1/2 to John G. Thompson
 John E. Smith
U 321,646 July 7, 1885 Electric Wire Insulator
Pin with spars to fit in threaded pin hole
SCHOONMAKER, Edward T.
Pin 1/2 to John E. Smith
 John E. Robertson
U 360,354 March 29, 1887 Insulator
Acoustic insulator to reduce vibration of telephone wires in acoustic or mechanical telephones
LOCKE, Willie F.
Acoustic 1/2 to John E. Robertson
 John C. Grout
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
 John C. Greenwood and K. M. Thompson
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
 John Burke
U Specimen known 490,560 January 24, 1893 Insulator
Self-tying screw top
HAUTY, Auguste J.
Insulator 1/3 to John Burke
 John Bennet and August Meyer
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
 John Adams & Co.
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.
 John A. Menager
U 1,036,136 August 20, 1912 Tool for Stringing Line Wires
Special bracket that fits around the insulator and crossarm to loosely hold the line wire during stringing and before the line is tied to the insulator
MENAGER, Henry A.
Bracket 91/100 to John A. Menager
 Johan M. Anderson
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
 Jennie E. Ottinger, Walter S. Ottinger, Sr., Samuel H. Bair
U 873,456 December 10, 1907 Wire-Carrying Cross Arm and Insulator Therefor
Odd system using a split crossarm, split insulators fitted into notches in crossarm where top half of crossarm holds the insulators in place
OTTINGER, Edwin C.
Miscellaneous Jennie E. Ottinger, Walter S. Ottinger, Sr., Samuel H. Bair
 Jenaer Glaswerk Schott & Gen.
U 1,542,588 June 16, 1925 Method of Making Suspension Insulators of Glass
Suspension glass insulator with glass pressed around mounting pin
SCHOTT, Erich
Suspension Jenaer Glaswerk Schott & Gen.
 Jeffery-Dewitt Insulator Co.
U Specimen known 1,952,517 March 27, 1934 Insulator
Post type insulator with metal brackets bolted on with U-bolt to stack insulators or attach equipment
STINSON, William L.
STROUP, Charles L.
Post Type Jeffery-Dewitt Insulator Co.
U 1,976,418 October 9, 1934 Attachment for Insulators
Attachment for strain insulator
STINSON, William L.
Strain Jeffery-Dewitt Insulator Co.
U 2,008,341 July 16, 1935 High Tension Insulator
Suspension disk with additional cement in pinhole with asphalt coating
STROUP, Charles L.
Suspension Jeffery-Dewitt Insulator Co.
U 2,008,342 July 16, 1935 Insulator
Suspension disk with metal spider cap over crown cemented in porcelain
STROUP, Charles L.
Suspension Jeffery-Dewitt Insulator Co.
 Jeffery-Dewitt Co.
U Specimen known 1,329,770 February 3, 1920 Insulator
Suspension type for J-D
JOHNSTON, Robert M.
Suspension Jeffery-Dewitt Co.
U 1,409,953 March 21, 1922 Ceramic Insulating Material
Porcelain composition using Sillimanite for high electrical and mechanical strength and low coefficient of expansion, which is particularly suitable for spark plugs
JEFFERY, Joseph A.
Porcelain Jeffery-Dewitt Co.
U 1,451,815 April 17, 1923 Rapid Decorating Firing Furnace or Kiln
Kiln for firing porcelain spark plug insulators
DAVENPORT, Ransom W.
Manufacturing Jeffery-Dewitt Co.
U 1,468,947 September 25, 1923 Furnace for Decorating Ceramic Ware
Kiln for firing porcelain spark plug insulators
JEFFERY, Joseph A.
Manufacturing Jeffery-Dewitt Co.
U 1,512,299 October 21, 1924 Temporary Binder for Ceramic Bodies
Use of wheat flour to act as an organic binder to aid in holding the shape of a ceramic material before it is fired
NAGLE, Josehp A.
Manufacturing Jeffery-Dewitt Co.
U Specimen known 1,716,963 June 11, 1929 Insulator
Suspension coupling device (see 1,329,770)
JOHNSTON, Robert M.
Suspension Jeffery-Dewitt Co.
 Jeffery Dewitt Insulator Co.
U 2,139,415 December 6, 1938 Strain or Suspension Clamp
A combined strain and suspension clamp
MCLACHLAN, Alexander
Suspension Jeffery Dewitt Insulator Co.
 Jasper Blackburn
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
 James W. Cole
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
 James W. Brennan
U Specimen known 289,449 December 4, 1883 Insulator
Transposition style but not intended for transposition (CD 199 & U-197)
ROUSSEAU, Necter
Insulator 1/2 to James W. Brennan
 James Spratt
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
 James R. Kearney Corp.
U 2,099,098 November 16, 1937 Bracket for Electrical Wires
Wireholder with lag screw
BINKLEY, William J.
Wireholder James R. Kearney Corp.
U 2,150,995 March 21, 1939 Wire Bracket
Wireholder bracket with lag screw that allows bracket and insulator movement.
TALLMAN, Oscar F.
Bracket/wireholder James R. Kearney Corp.
U 2,155,189 April 18, 1939 Electrical Wire Bracket
Wireholder with lag screw
HEINRICH, Walter A.
Wireholder James R. Kearney Corp.
U Specimen known 2,246,807 June 24, 1941 Fuse Switch
Fuse holder and switch
MCCLUSKEY, Francis J.
GOLDNER, George W.
Fuse Holder James R. Kearney Corp.
 James M. Brookfield
U 128,914 July 9, 1872 Improvement in Apparatus for Burning Hydrocarbons as fuel
Glass furnace for burning gas
RUSSELL, William H.
Furnace James M. Brookfield
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 183,865 October 31, 1876 Improvement in Telegraph Insulators
Slotted glass pin to hold wire and cap screwed to secure wire
REYNOLDS, David M.
Slotted James M. Brookfield
 James H. Watson
U 384,384 June 12, 1888 Metallic Crest Tile Lightning Rod
Lightning rod in the form of metal crest tile and attached to end eaves of the house with conductors to ground
NELSON, Clark B.
Lightning Rod Crest 1/2 to James H. Watson
 James Gaffney
U 550,673 December 3, 1895 Crossover Insulator
Crossover knob
BERON, Frank G.
Crossover 1/2 to James Gaffney
 James E. Owen and Homer L. McNaughton
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
 James Casey
U 250,950 December 13, 1881 Electrical Conductor for Oil Tank Protection
Lightning rod protection system for an oil tank
NEWHALL, Walter P.
Lightning Rod 1/2 to James Casey
 James Brusie
U 452,523 May 19, 1891 Electric Insulator
Cone of wood with metal shield for trolley wire hanger
JENNINGS, Byron
Wood 1/2 to James Brusie
 Jacob A. Kissell and Nathan Blickensderfer
U 65,775 June 11, 1867 Improvement in Lightning Rods
Lightning rod made of a continuous strip of copper wound and corrugated into rods
STEARNS, Charles
Lightning Rod Jacob A. Kissell and Nathan Blickensderfer
 J. W. Moorehead, Rayburn Hunter & Co.
U 1,181,399 May 2, 1916 Lightning Rod Connecting Clamp
Coupling for connecting lightning rods to conductor which clamps around both ends
MCCULLOUGH, William H.
Lightning Rod Coupling J. W. Moorehead, Rayburn Hunter & Co.
 J. Rardin & T. Rardin
U 831,338 September 18, 1906 Insulator
Self-tying slot top
GLICK, Monroe J.
Self-tying Slot Top J. Rardin & T. Rardin
 J. H. Parker & Son, Inc.
U 1,429,369 September 19, 1922 Attaching Device
Knob
PARKER, William M.
Knob J. H. Parker & Son, Inc.
 J. H. Guion
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
 J. E. Way
U 1,015,229 January 16, 1912 Insulator
Suspension using multiple parts cemented together on tubular core. The patent is similar to the commonly referred ""Micarta Core"" insulators, but experts believe the patent was not used for those insulators. The glass insulators may have been made by Hemingray.
HILLIARD, John D.
PARSONS, Charles E.
Suspension J. E. Way
 Issac Bear
U 872,993 December 3, 1907 Insulator
Cleat
DEEM, Arthur S.
Cleat 1/2 to Issac Bear
 Ira Zeis
U Specimen known 1,032,545 July 16, 1912 Insulator
Knob
HILTY, Robert D.
Knob 1/2 to Ira Zeis
U 1,042,677 October 29, 1912 Insulating Cleat
Cleat
HILTY, Robert D.
Cleat 1/2 to Ira Zeis
 Interpace Corp.
U 3,582,538 June 1, 1971 Prestressed Insulator
Prestressing post type insulators by making porcelain in compression in order to increase cantilever load
KILLIAN, Stanley C.
DEWEY, Benjamin F.
Post Type Interpace Corp.
U 4,443,659 April 17, 1984 Glaze to Pin Connection for an Electrical Insulator with Embedded Metal Fitting
Suspension with semi-conducting glaze & conducting coating on cement
TATEM, William A.
Suspension Interpace Corp.
 International Standard Electric Corp.
U Specimen known 2,309,971 February 2, 1943 Drop Wire Support
Drop wire supporting clip
MCLARN, Ernest S.
Drop Wire Support International Standard Electric Corp.
 International Oxygen Co.
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.
 Indiana Steel & Wire Co.
U 2,897,256 July 28, 1959 Line Wire Support
Tie wire and line reinforcement using a preformed hard drawn wire helix designed to allow adjustment of line wire after installation
KITSELMAN, Harry L.
HOLMES, Alvin W.
Tie Wire Indiana Steel & Wire Co.
 Illinois Electric Porcelain Co.
U Specimen known 1,127,776 February 9, 1915 Insulator
Reversible nail-knob
KETTRON, Charles W.
Knob Illinois Electric Porcelain Co.
U 1,429,079 September 12, 1922 Split Insulator
Knob
KETTRON, Charles W.
Knob Illinois Electric Porcelain Co.
 I-T-E Circuit Breaker Co.
U 3,229,031 January 11, 1966 Selective Stacking for Pedestal Post Insulators
Method of connecting similar pedestal post insulators to obtain desired insulation levels
OWENS, James B.
ALEXANDER, David E.
Pedestal Post I-T-E Circuit Breaker Co.
 Hubbard and Co.
U 1,707,668 April 2, 1929 Insulator Support
Secondary rack stamped out of one piece of sheet metal.
MANSON, Ralph H.
Bracket/secondary Rack Hubbard and Co.
U 1,917,322 July 11, 1933 Insulator Support
Secondary rack stamped out of one piece of sheet metal. (see patent 1,709,805)
PEIRCE, JR., Charles L.
Bracket/secondary Rack 1/2 to Hubbard and Co.
U 2,032,017 February 25, 1936 Sheet Metal Insulator Support Pin and Method of Making the Same
Steel sheet metal pin easily manufactured
HOCHER, Andrew A.
LASHER, Marshall
Pin Hubbard and Co.
 Hubbard & Co.
U 1,006,268 October 17, 1911 Insulator Bracket
Bracket (various styles) using spring for threads (see 856,488 and 856,801)
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,007,138 October 31, 1911 Insulator Bracket
Bracket (various styles) using spring for threads (see 856,488 and 856,801)
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,157,036 October 19, 1915 Insulator Supporting Fixture
Bracket for holding spool insulator vertically and supported with a rod
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,157,037 October 19, 1915 Insulator Supporting Structure
Bracket stamped from sheet metal and curved upward with spring for threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,193,602 August 8, 1916 Insulator Supporting Fixture
Bracket, composed of sheet metal parts easily assembled
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,195,263 August 22, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,196,272 August 29, 1916 Insulator Pin
Pin, metal with sheet metal support cone and threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,196,273 August 29, 1916 Cross Arm Saddle
Saddle for pin that fits on top of crossarm
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,197,659 September 12, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,197,660 September 12, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,202,418 October 24, 1916 Insulator Support
Pin, metal with bolting bracket and threaded for cementing type thimble
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,202,419 October 24, 1916 Insulator Supporting Pin
Pin, metal with bolting bracket and spring for threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,202,885 October 31, 1916 Insulator Pin
Pin, metal with bolting bracket and spring for threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,207,321 December 5, 1916 Insulator Support
Pin, metal to fit loose in sheet metal thimble
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,210,685 January 2, 1917 Insulator Support
Bracket, sheet metal U-shaped with attached threaded wood thimble
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,210,686 January 2, 1917 Insulator Support
Bracket, sheet metal U-shaped with yielding split threaded thimble
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,210,687 January 2, 1917 Insulator Suspension Bracket
Bracket, sheet metal U-shaped for long spans attached to a cable
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,212,394 January 16, 1917 Insulator Support
Bracket, sheet metal U-shaped with spring clip to secure insulator
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,212,673 January 16, 1917 Insulator Supporting Bracket
Bracket, sheet metal U-shaped to fit over crossarm and threads made of a spring to secure insulator
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,219,862 March 20, 1917 Separable Insulator Thimble Structure
Thimble designed to be removable with external & internal threads
PEIRCE, JR., Charles L.
Thimble Hubbard & Co.
D Specimen known 53,522 July 8, 1919 Design for an Insulator
Strain
PIERCE, JR., Charles L.
Strain 1/2 to Hubbard & Co.
U 1,479,155 January 1, 1924 Insulator Support or Bracket
Bracket for wireholder knobs
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,743,552 January 14, 1930 Pin Type Insulator
Pin with sharp pointed threads that engage the insulator only at the tips of the threads and insulator with shallow depressions in the pinhole rather than threads
KERSCHNER, Richard M.
Pin Hubbard & Co.
U 1,779,489 October 28, 1930 Method of Making Secondary Racks
Method of making secondary rack brackets (see 1,883,818)
PEIRCE, JR., Charles L.
Manufacturing 1/2 to Hubbard & Co.
U Specimen known 1,788,245 January 6, 1931 Insulator Support
Clamp type
MANSON, Ralph H.
Clamp Type Hubbard & Co.
U 1,794,520 March 3, 1931 Insulator Rack
Bracket for rack spool wireholder (see 1,822,037)
KERSCHNER, Richard M.
Bracket Hubbard & Co.
U 1,811,211 June 23, 1931 Insulator Rack
Bracket for wireholder rack spools
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,822,037 September 8, 1931 Method of Making Insulator Racks
Method of making rack spool brackets (see 1,794,520)
KERSCHNER, Richard M.
Manufacturing Hubbard & Co.
U 1,883,818 October 18, 1932 Secondary Rack
Bracket for rack spools with a plurality of spools for mounting on a building (see 1,779,489)
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,911,031 May 23, 1933 Insulator Support
Steel pin, support base, and threads made of a spring coil
MILLER, Charles E.
Pin Hubbard & Co.
U 1,960,681 May 29, 1934 Insulating Support Pin
Steel pin with malleable thread thimble with limited contact with the pin to aid in cushioning insulator
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U Specimen known 2,174,723 October 3, 1939 Insulator
Wireholder with metal loop, base & lag screw
HOCHER, Andrew A.
Wireholder Hubbard & Co.
 Hopewell Insulation & Mfg. Co.
U 1,426,421 August 22, 1922 Condenser Cemented Sectional Insulator
Multipart using metallic cement and metal sheath covering skirts
SONNEBORN, Sol S.
Multipart Hopewell Insulation & Mfg. Co.
 Himself, Albert Scranton Weaver, and Oscar N Bender
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
 Hern, Prendergast, Oakman
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
 Hermsdorf-Schomburg-Isolatoren G. M. B. H.
U 1,729,532 September 24, 1929 Electrical Insulator
Cap and pin design for suspension insulator
ZIESCHE, Otto Paul
Suspension Hermsdorf-Schomburg-Isolatoren G. M. B. H.
U 1,877,630 September 13, 1932 High Tension Insulator
Multipart cementing technique using a resilient layer or shaped sleeve
SCHEID, Johann Friedrich
Multipart Hermsdorf-Schomburg-Isolatoren G. M. B. H.
 Henry Webbert
U 189,286 April 3, 1877 Improvement in Lightning Rods
Lightning rod of twisted sheet metal fitted with a serrated strip
VERMILYA, Leland D.
Lightning Rod 1/2 to Henry Webbert
 Henry Ostrum, Clifford Bush
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
 Henry M. Brookfield
U 761,326 May 31, 1904 Machine for Molding Insulators
Press for making insulators
SCHORLING, William H.
Press Henry M. Brookfield
U 773,768 November 1, 1904 Molding Machine
Press, automatic
SCHORLING, William H.
Press Henry M. Brookfield
U 815,222 March 13, 1906 Device for Supporting Glass Insulators or Other Glass Articles While Plastic
Cooling rack to prevent deformation of threads in glass insulator taken from mold
SCHORLING, William H.
Cooling Henry M. Brookfield
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
U 835,245 November 6, 1906 Press for Making Glass Insulators or Similar Glass Articles
Press for making insulators
KRIBS, Seraphin
Press Henry M. Brookfield
 Henry Lewis Doulton
U 1,193,185 August 1, 1916 Machine for Internally Shaping Telegraph Insulators and the Like
Machine to cut out and shape the internals of an insulator
PODMORE, William
Press 1/2 to Henry Lewis Doulton
 Henry L. Crowley & Co., Inc.
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.
 Henry F. Sholty
U 162,828 May 4, 1875 Improvement in Lightning Rods
Lightning rod made of corrugated or ribbed hollow metal braced on the inside with pitchfork like multiple tines for the point
KLECKNER, John A.
Lightning Rod 1/2 to Henry F. Sholty
 Henry C. Janes
U 19,819 March 30, 1858 Improvement in Lightning Conductors
Lightning rod made of iron wires wrapped with copper sheets
WHITE, Oren
Lightning Rod Henry C. Janes
 Henry Bradford
U 786,472 April 4, 1905 Insulator for the Conductors of Electric Railways
Third rail insulator (England; Ohio Brass) (Brown p. 75)
WARD, Frank D.
FURNISS, Harry C.
Third Rail 1/3 to Henry Bradford
 Henry Baskette
U 522,302 July 3, 1894 Self-Locking Cleat for Electric Wires
Cleat - self-tying (shown on page 273 of 1897 Electric Appliance Co. catalog No. 12
NASHOLD, Elias
Cleat 2/5 to Henry Baskette
 Henry B. Synar and John T. Synar
U 266,552 October 24, 1882 Insulator for Musical Instruments
Hollow glass insulator for piano legs
SYNAR, Joseph
Piano 2/3 to Henry B. Synar and John T. Synar
 Henry B. Roach and William M. Potts
U 665,986 January 15, 1901 Lightning Arrester
Metal lightning rod crest along the roof peaks connected to ground
WOOD, William D.
Lightning Rod Crest Henry B. Roach and William M. Potts
 Henderson D. Morse and Nathaniel C. Gault
U 364,605 June 7, 1887 Lightning Rod
Lightning rod composed of a hollow core wrapped with small hollow wire which has been wrapped with soft wire and the whole encsed in a copper covering
SCHOONMAKER, James H.
Lightning Rod 2/3 to Henderson D. Morse and Nathaniel C. Gault
 Hemingray Glass Co.
D 10,678 May 14, 1878 Design for Lamp Shades
Head shaped gas lamp shade
HEMINGRAY, Robert
HI Hemingray Glass Co.
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.
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.
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 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.
U 1,088,278 February 24, 1914 Rain Guard for Insulators
Protective metal rain guard for bottom of skirt
HOLMES, Minot K.
Protective Shield Hemingray Glass Co.
U 1,133,244 March 23, 1915 Glass Working
Machine for making bottles
HOLMES, Minot K.
HI Hemingray Glass Co.
U 1,193,787 August 8, 1916 Glass Working Machine
Press for making insulators
HOLMES, Minot K.
Press Hemingray Glass Co.
U 1,193,788 August 8, 1916 Glass Furnace
Glass furnace design with large doghouse
HOLMES, Minot K.
HI Hemingray Glass Co.
U 1,501,602 July 15, 1924 Leer Feeder
Automatic leer feeder
HOLMES, Minot K.
Manufacturing Hemingray Glass Co.
U 1,642,658 September 13, 1927 Glass Working Machine
Press for making insulators
HOLMES, Minot K.
Press Hemingray Glass Co.
U 1,678,942 July 31, 1928 Mechanical Movement
Gear for automatic insulator press
HOLMES, Minot K.
Press Hemingray Glass Co.
D 82,326 October 21, 1930 Design For a Bottle
Graf's Zep soda bottle
HOLMES, Minot K.
HI Hemingray Glass Co.
D 84,313 June 2, 1931 Design for a Bottle or Similar Article
Universal Home Bottle
ZIMMERMAN, Willard P.
HI Hemingray Glass Co.
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.
 Hemingray ????
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 ????
 Hayes McGibbeny
U Specimen known 952,279 March 15, 1910 Mold in Which to Form Plastic Articles
Mold to form a slotted-top, twist-lock, self-tying glass insulator (see 707,429) (see design 35,462)
ROBERTS, Linas P.
Mold 1/3 to Hayes McGibbeny
 Hartford-Empire Co.
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.
 Harry Painter and Christopher Turton
U 627,366 June 20, 1899 Insulator for Fastening Electric Wires
Knob - self-tying
TRELEAVEN, John
Knob Harry Painter and Christopher Turton
 Harry P. Decker
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
 Harry McLain
U 1,755,587 April 22, 1930 Insulating Device
Crossover
BROAD, William
Crossover 3/4 to Harry McLain
 Harry Gamber
U 1,167,208 January 4, 1916 Insulator
Self-tying screw top
OPPELT, William
Self-tying Screw Top 1/3 to Harry Gamber
 Harry A. Robertson
U Specimen known 977,262 November 29, 1910 Insulating Hanger
Knob - self-tying
BIGHAM, Neal Jay
Knob Harry A. Robertson
 Harold P. Brown
U 693,603 February 18, 1902 Third Rail Insulator for Electric Railways
Square third rail insulator with metal foot and metal cap that fit in a square hole in top and bottom of the insulator.
HOBBS, Charles M.
Third Rail 1/2 to Harold P. Brown
 Hard Manufacturing Co.
U Specimen known 1,187,378 June 13, 1916 Sliding Shoe for Furniture
Glass slider for end of furniture leg
OSBORN, Alexander F.
Miscellaneous Hard Manufacturing Co.
 H. W. Johns-Manville Co.
U 751,664 February 9, 1904 Electric Insulator
Composition insulator of asbestos (Brown p. 57 & 71)
LYMAN, Thomas T.
Composition H. W. Johns-Manville Co.
 H. Schomburg & Shone
U 1,484,569 February 19, 1924 Ceramic Body
Method of making a suspension disk by inserting a fired porcelain part inside the bottom of an unfired disk, then firing the disk, which shrinks around the insert securing a cemented pin inside
SCHEID, Johannes Friedrich
Suspension H. Schomburg & Shone
 H. S. Rottenborg and H. C. Hansen
U 1,135,940 April 13, 1915 Lightning Rod Cable
Flexible lightning rod conductor made of twisted and spiralled wire cable
JUEL, Peter J.
Lightning Rod H. S. Rottenborg and H. C. Hansen
 H. M. Byllesby & Co.
U 974,207 November 1, 1910 Insulator Support
Bracket for 3-phase circuit using multipart insulator oriented in shape of >
THOMPSON, Warren Ray
Bracket H. M. Byllesby & Co.
U 1,393,330 October 11, 1921 Electrical Insulator
Links for Hewlett suspension disks (see 1,110,934)
WELCH, Walter J.
TRACY, Atlee H.
Suspension H. M. Byllesby & Co.
 H. D. Morse and N. C. Gault
U 243,630 June 28, 1881 Lightning Rod
Lightning rod composed of a zinc tube covered with copper surrounded by twisted spiraling tubes of the same combination
SCHOONMAKER, James H.
Lightning Rod 4/5 to H. D. Morse and N. C. Gault
 H. C. Fry Glass Co.
U 1,312,053 August 5, 1919 Process of Decomposing Potassium Silicates
Process of extracting potassium to be used in glass manufacture (see patent 1,327,781; 1,327,782)
SCHOLES, Samuel R.
Glass H. C. Fry Glass Co.
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.
 H. Brunt & Son
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
 H. A. Dusky
U 1,067,246 July 15, 1913 Wire Clamp for Insulators
Tie wire camming lever
HUBBARD, John H.
Tie Wire 1/2 to H. A. Dusky
 Guthrie-Mitchell Co.
U 1,022,026 April 2, 1912 Insulator
Block in crossarm
GUTHRIE, Joseph A.
Block Guthrie-Mitchell Co.
 Greenfield & Co.
U 369,447 September 6, 1887 Insulator
Cleat - clamp type with slotted cylinder and screw eye
GREENFIELD, Edwin T.
Cleat Greenfield & Co.
 Grant Greenham
U 623,033 April 11, 1899 Lightning Rod Conductor
Lightning rod point in the form of a dragon with multiple points in the tail pointing up with numerous little points along the dragon's body that aids in collecting or dissipating the current
RAUNACHER, Gustav
Lightning Rod Point 1/2 to Grant Greenham
 Gould Storage Battery Co.
U 1,106,095 August 4, 1914 Electrical Battery
Battery insulators with oil inside
HUBBARD, Albert S.
Battery Gould Storage Battery Co.
U Specimen known 1,190,766 July 11, 1916 Insulating Support
Battery support insulator
HUBBARD, Albert S.
Battery Gould Storage Battery Co.
 George T. Hunsaker
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
 George Goss, Sr.
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.
 George Goss, Samuel Gilson, Andrew Horner
U 340,734 April 27, 1886 Electric Wire Insulator
Tie wire embedded in insulator
SEABOLDT, Bert
Tie Wire 3/4 to George Goss, Samuel Gilson, Andrew Horner
 George C. Brown
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
 George A. Chapman
U Specimen known 158,868 January 19, 1875 Improvement in Insulating Compounds
Hook with composition compound of shellac, asbestos, coal tar & oak black
SMITH, Isaac
Hook 1/2 to George A. Chapman
 General Incandescent Light Co.
U 698,097 April 22, 1902 Electrical Insulator
Bushing and bracket to support conductor cable
BALL, Henry Price
Bushing General Incandescent Light Co.
 General Electric Co.
U Specimen known 518,301 April 17, 1894 Ceiling Cleat
Cleat - 2 piece
WIRT, Herbert C.
Cleat General Electric Co.
U Specimen known 520,855 June 5, 1894 Feed Wire Insulator
Composition insulator with ears bent over to secure cable
LIEB, Charles A.
Composition General Electric Co.
U 525,708 September 11, 1894 Bus-Bar Insulating Support
Bracket support for one-wire cleats
HERRICK, Albert B.
Bracket General Electric Co.
U 530,498 December 11, 1894 Insulator for Electric Overhead Construction
Strain type ball shaped
BALL, Henry Price
Strain General Electric Co.
U 570,034 October 27, 1896 Insulator
Third rail insulator
MARTIN, Charles B.
HEWLETT, Edward M.
Third Rail General Electric Co.
U 574,101 December 29, 1896 Insulator
Third rail insulator
MARTIN, Charles B.
Third Rail General Electric Co.
U 584,476 June 15, 1897 Insulator
Third rail insulator with a metal base to prevent movement of the insulator and rail.
LIBBY, Sam H.
Third Rail General Electric Co.
U 584,477 June 15, 1897 Insulator
Pair of third rail insulators set on both sides of the rail fitting in the contour of the sides of the rail.
LIBBY, Sam H.
Third Rail General Electric Co.
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.
D 28,981 July 5, 1898 Design for a Cap for Insulators
Third rail insulator metal cap
WILLARD, Ben
Third Rail General Electric Co.
U 606,830 July 5, 1898 Insulator
Third rail insulator mounted on a wooden block with metal cap on top to support the rail
WILLARD, Ben
Third Rail General Electric Co.
D 29,741 November 29, 1898 Design for a Third Rail Insulator
Third rail insulator
HEWLETT, Edward M.
Third Rail General Electric Co.
U 648,057 April 24, 1900 Third Rail Insulator
Third rail insulator designed to allow insulator to rise and fall with movement of the rail.
RICE, JR, Edwin W.
Third Rail General Electric Co.
U 667,103 January 29, 1901 Insulator
Slack wire knob with metal suspension clip
SARGENT, Howard R.
Slack Wire General Electric Co.
U Specimen known 678,042 July 9, 1901 Rack Insulator
Cleat - rack type
SARGENT, Howard R.
Cleat General Electric Co.
U 678,195 July 9, 1901 Third Rail Insulator
Third rail insulator with iron mounting bracket and cap to support the rail
POTTER, William B.
Third Rail General Electric Co.
U 679,308 July 30, 1901 Insulator
Slack wire knob, bracket and suspension clip
GEISENHONER, Henry
Slack Wire General Electric Co.
U 717,322 December 30, 1902 Insulator for High Potential Lines
Metal clad suspenion insulator.
BARRY, Charles E.
Suspension General Electric Co.
U 723,062 March 17, 1903 Third Rail Insulator
Third rail insulator with ears that move in to secure the rail.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
U 769,639 September 6, 1904 Cleat for Electric Conductors
Cleat - 2-piece bolted together
SARGENT, Howard R.
Cleat General Electric Co.
U 771,334 October 4, 1904 Third Rail Insulator
U-shaped third rail insulator metal caps fitting over each part to support rails.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
U 779,828 January 10, 1905 Insulator Pin
Pin composed of bolt and threads formed in split metal tube
WOOD, Montraville M.
Pin General Electric Co.
U 808,222 December 26, 1905 Third Rail Insulator
Third rail insulator that fits in metal support and cemented metal cap to secure the rail.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
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.
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.
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.
U 974,177 November 1, 1910 Insulator for High Tension transmission systems
Suspension insulator with yieldable slugs to distribute strain pressure
NOEGGERATH, Jakob E.
Suspension General Electric Co.
U 1,009,630 November 21, 1911 Insulating Compound
Insulator composition made of asbestos, flint, and calcium hydrate.
BARRINGER, Lawrence E.
  General Electric Co.
U 1,014,854 January 16, 1912 Electric Cut Out
Knife type fuse holder or fuse cut-out
SARGENT, Howard R.
Fuse Holder General Electric Co.
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.
U 1,022,874 April 9, 1912 Machine for Drilling Porcelain
Machine for drilling U-shaped holes in Hewlett suspension disk
RIDDELL, John
Suspension General Electric Co.
U 1,049,005 December 31, 1912 Insulating Composition and Process of Making the Same
Artificial reconstructed lava made from combining soapstone or talc (hydrated silicate of magnesia), with a binder which is the precipitate of a mixture of magnesium sulfate and sodium silicate. The combination is then molded to the desired shape and fired at 1000 to 1300 degrees centigrade or higher.
STEINMETZ, Charles P.
Composition General Electric Co.
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 1,132,281 March 16, 1915 Reactive Coil
Odd arrangement for a choke coil around Hewlett fish-tail strain insulators.
MOODY, Walter S.
Coil General Electric Co.
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 1,360,896 November 30, 1920 Cemented Insulator
Multipart cementing procedure evacuate air from cement, coat with tar
CREIGHTON, Elmer
Multipart General Electric Co.
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.
U 1,375,974 April 26, 1921 Insulator Connector
Links for Hewlett suspension disks
PIERCE, Henry T.
MCPHEE, Angus D.
Suspension General Electric Co.
U 1,449,694 March 27, 1923 Protective Device
Protective device to prevent arcing
PEEK, JR., Frank W.
Miscellaneous General Electric Co.
U 1,491,385 April 22, 1924 Insulator
Wall or roof bushing to bring conductor into the building
FACCILOI, Giuseppe
Miscellaneous General Electric Co.
U Specimen known 1,500,814 July 8, 1924 Link Insulator
Suspension link strain
HEWLETT, Edward M.
Suspension General Electric Co.
U 1,508,158 September 9, 1924 Coupling for Insulators
Links to connect Hewlett suspension disks
BOWER, George W.
Suspension General Electric Co.
U 1,717,210 June 11, 1929 High Voltage Circuit Interrupter
High voltage air break switch
GODDARD, Walter T.
Transmission General Electric Co.
U 2,146,596 February 7, 1939 Rubber Insulating Compound and Method of Making the Same
Rubber compound for electrical conductors
SCHWARTZ, Emil W.
SAVAGE, Manuel H.
SPARGO, Francis C.
Rubber General Electric Co.
U 2,146,597 February 7, 1939 Process of Treating Rubber
Rubber treating process
SCHWARTZ, Emil W.
CROASDALE, Evan T.
Rubber General Electric Co.
U 2,201,049 May 14, 1940 Glass Fabrication Process and Mold
Glass bushing making process
MOORE, Roy W.
Manufacturing General Electric Co.
U 2,513,958 July 4, 1950 Electric Insulating Bushing and Glass Therefore
Glass capacitor bushing and improved seal with metal parts
OMLEY, Herbert A.
Bushing General Electric Co.
U 2,709,058 May 24, 1955 Insulator Support Rack
Secondary rack bracket with side tabs to receive screws or bolts.
VOSE, Fred C.
BURNIE, Glen
RUTH, Bernard W.
Bracket/secondary Rack General Electric Co.
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.
U 2,879,323 March 24, 1959 Electrical Insulating Cement
Cement made from synthetic resin to bond metal to porcelain
NICHOLS, Frank S.
SMITH, JR., Sidney R.
Cement General Electric Co.
U Specimen known 3,097,101 July 9, 1963 Ceramic Product and Method of Making the Same
Increases the mechanical and electrical strength of porcelain insulators by controlling the grain size of the flint used in the porcelain body and the glaze.
LESTER, Ronald H.
Porcelain General Electric Co.
 G. Paddock & W. Page
U Specimen known 493,434 March 14, 1893 Insulator Pin
Pin base - hollow cast iron with wood threaded cob (dates metal base)
LOCKE, Fred M.
Pin 1/2 to G. Paddock & W. Page
U 510,809 December 12, 1893 Insulator Pin
Pin
LOCKE, Fred M.
Pin 1/2 to G. Paddock & W. Page
U Specimen known 520,367 May 22, 1894 Insulator
Transposition insulator CD 204 & U-192A
LOCKE, Fred M.
Insulator 1/2 to G. Paddock & W. Page
 G. & W. Electric Specialty Co.
U 1,819,302 August 18, 1931 Oil and Air Break Pothead Disconnect
Pothead disconnect
RAH, Joseph
Insulator G. & W. Electric Specialty Co.
 Friedley-Voshardt Co.
D 52,339 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with a winged wheel attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
D 52,340 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with a stork bird attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
D 52,341 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with an ear of corn attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
D 52,361 August 27, 1918 Design for a Weather Vane or Lightning Rod Ornament
Weathervane with a witch and crescent moon attached
MOHRMANN, Paul
Weathervane Friedley-Voshardt Co.
 Fredric Greer
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
 Frederick Rockwell
U 433,561 August 5, 1890 Cleat for Electric Wires
Cleat
FURLONG, Lawrence
Cleat Frederick Rockwell
 Frederick Palmer
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
 Frank S. Diener
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
 Frank Kennedy
U 801,196 October 3, 1905 Self-Locking Insulator
Self-tying slot top
MATHIAS, Charles L.
Self-tying Slot Top 1/2 to Frank Kennedy
 Frank J. Guernsey
U 829,416 August 28, 1906 Third Rail Insulator
Third rail insulator with 2-part metal cap to secure the rail.
MCGILL, John J.
Third Rail 1/2 to Frank J. Guernsey
 Frank H. Riddle
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
 Frank H. Palmer
U 564,825 July 28, 1896 Manufacture of Glass Jars
Mold for making glass jars. Seraphin Kribs was associated with Brookfield.
KRIBS, Anthony
Mold 1/2 to Frank H. Palmer
 Frank Goodwin
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
 Frank Field
U 802,096 October 17, 1905 Tree Insulator
Tree hanger
DUNTON, Charles W.
Tree 1/2 to Frank Field
 Frank F. Winters
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
 Frank B. CHAPIN
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
 Francis McHenry
U 783,348 February 21, 1905 Insulator
Knob - self-tying
WRIGHT, Evans C.
Knob 1/2 to Francis McHenry
 Forsyth Mfg. Co.
U 888,763 May 26, 1908 Line Wire Fastener
Tie wire replacement consisting of wire, metal strap, and lever
STANTON, Fafayette
Tie Wire 5/100 to Forsyth Mfg. Co.
 Findlay Electric Porcelain Co.
U 1,060,886 May 6, 1913 Insulator
Interchangeable nail-knob parts
BICKNELL, John E.
Knob Findlay Electric Porcelain Co.
U 1,640,514 August 30, 1927 Press for Forming Plastic Materials
Press for forming threads in wet process porcelain
MUELLER, Ferdinand C. H.
Press Findlay Electric Porcelain Co.
 Ferdinand La Fleche
U 1,829,354 October 27, 1931 Insulator
Self-tying clamp-top
HOUDE, Victor Frederick
Self-tying Miscellaneous 1/2 to Ferdinand La Fleche
 Federal Porcelain Co.
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 1,512,430 October 21, 1924 Machine for Assembling Nail Knobs
Machine for assembling nail-knobs
LOY, John G.
Knob Federal Porcelain Co.
U 1,532,110 March 31, 1925 Apparatus for Assembling Nail Knobs
Machine for assembling nail-knobs
LOY, John G.
Knob Federal Porcelain Co.
U 1,532,111 March 31, 1925 Machine for Assembling Nail Knobs
Machine for assembling nail-knobs
LOY, John G.
Knob Federal Porcelain Co.
U 1,583,458 May 4, 1926 Nail Knob Assembling Machine
Machine for making nail-knobs
HANLEY, Timothy Henry
Knob 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.
 Federal Electric Co.
U 830,501 September 11, 1906 Protecting Bushing for Electric Circuit Wires
Bushing with screw threads
GOEHST, John H.
Bushing Federal Electric Co.
 Fay Woodmansee
U 1,012,724 December 26, 1911 Insulator Support
Bracket for pin-type insulator with wooden cob & mounted on a pipe
SESSIONS, Edson O.
Bracket Fay Woodmansee
 Fargo Manufacturing Co.
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.
 F. W. Clark
U 964,586 July 19, 1910 Insulator
Knob - self-tying
TUFTS, JR., John R.
Knob 1/2 to F. W. Clark
 Eugene Munsell & Co.
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.
 Eugene C. Black
U 2,287,895 June 30, 1942 Secondary Rack Construction
Secondary wireholder for rack spools to be mounted on the end of a crossarm
MACKINNON, Russell H.
Wireholder 1/2 to Eugene C. Black
 Ette Investment Co.
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.
 Essex Co.
U 908,136 December 29, 1908 Third Rail Insulator
Third rail insulator (Ohio Brass)
RANDOLPH, Leonard M.
Third Rail Essex Co.
U 922,951 May 25, 1909 Third Rail Insulator
Conical shaped third rail insulator.
RANDOLPH, Leonard M.
Third Rail Essex Co.
 Enos Cochran
U 704,172 July 8, 1902 Insulator
Self-tying screw top
CALVIN, James E.
Self-tying Screw Top 1/2 to Enos Cochran
 Elmer Larrabee
U Specimen known 697,001 April 8, 1902 Insulator
2-piece reversible nail-knob “P. E. M. Co. knob” (made by the Porcelain Electric Mfg. Co.) formerly known as the “W. E. split knob”. When Thomas received exclusive right to make and market the knob, it was called Thomas “T. P. I. knob “.
NICHOLS, William H.
Knob 1/2 to Elmer Larrabee
 Ellmann, Inc.
U 1,956,526 April 24, 1934 Insulated Support for Electric Cables
Clamp type with wire hanger
ELLMANN, John I.
Clamp Type Ellmann, Inc.
 Ellison Elmer
U 743,268 November 3, 1903 Glass Molding Machine
Insulator Press
GIBSON, Frank H.
Press 1/2 to Ellison Elmer
 Electroline Corp.
U 2,082,566 June 1, 1937 Connector
Steel connector for strain, suspensions, and other insulators
BERNDT, Arthur A.
Connector Electroline Corp.
 Electrical Engineers Equipment Co.
U 1,125,742 January 19, 1915 Cable Supporting Insulator
Clamp type
SESSIONS, Edson O.
Clamp Type Electrical Engineers Equipment Co.
U 1,274,555 August 6, 1918 Choke Coil Mounting
Secure mounting of a choke coil on top of two multipart insulators fitted with metal brackets clamped to the crown (see 1,574,964 and 1,663,007)
JACOBS, Ernest H.
Choke Coil Electrical Engineers Equipment Co.
U 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.
U 1,663,007 March 20, 1928 Electric Conductor Support
Insulator attachments to support equipment (see 1,274,555 and 1,574,964)
JACOBS, Ernest H.
Equipment Electrical Engineers Equipment Co.
 Electric Service Supplies Co.
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.
U 1,199,735 September 26, 1916 Insulator Pin
Pin, metal to prevent turning of threaded head (improvement of 1,094,852)
PORTER, John W.
Pin Electric Service Supplies Co.
U 1,246,304 November 13, 1917 Support for Electric Conductors
Bracket for 3 large insulators for pole top
MUELLER, Otto
HAMER, William D.
Bracket Electric Service Supplies Co.
U 1,271,596 July 9, 1918 Insulator Support
Bracket for knobs
MAYER, Walter S.
Bracket Electric Service Supplies Co.
U 1,677,498 July 17, 1928 Apparatus for Undercutting Pinholes in the Center Shells of Insulators
Machine to undercut the pinhole for the suspension pin to prevent the pin from pulling out of the insulator.
SMITH, William Henry
Suspension Electric Service Supplies Co.
U 1,732,339 October 22, 1929 Apparatus for Finishing Insulator Shells
Machine to form the opening in the bottom of a top shell and form grooves in the sides of the opening to aid in cement adhesion between the top shell and the second shell.
OSBORNE, David H.
Manufacturing Electric Service Supplies Co.
U 1,755,308 April 22, 1930 Apparatus for Finishing Insulator Shells
Machine to form grooves inside the suspension disk to aid cement adhesion.
SMITH, William Henry
Suspension Electric Service Supplies Co.
U 1,758,462 May 13, 1930 Insulator
Multipart cementing technique using Portland cement with a resilient alumina cement followed by a high humidity curing process
OSBORNE, David Henry
Multipart Electric Service Supplies Co.
U 1,776,795 September 30, 1930 Coupling for Wires and Cables
Metal cap for suspension insulator with cotter pin to prevent the pin from slipping out of the cap.
OSBORNE, David Henry
Suspension Electric Service Supplies Co.
U 1,816,023 July 28, 1931 Method of Manufacturing Insulators
Method of assembling multipart insulators with wet cement and maintaining an ambient humidity and simulataneously cooling down.
OSBORNE, David Henry
Manufacturing Electric Service Supplies Co.
 Electra Lightning Rod Co.
U 1,127,696 February 9, 1915 Lightning Rod Low Top
Lightning rod attached to peak of roof with four feet
SWENSON, John S.
Lightning Rod Electra Lightning Rod Co.
U 1,128,261 February 9, 1915 Lightning Rod High Top
Lightning rod tripod attached to peak of roof and Y-connection for rod to conductor
SWENSON, John S.
Lightning Rod Electra Lightning Rod Co.
 Edwin Prescott
U 303,591 August 12, 1884 Lightning Rod
Method of employing lightning rods so they are the most effective
PRESCOTT, George S.
Lightning Rod 1/2 to Edwin Prescott
 Edwin Pickering and Barton Pickering
U 176,820 May 2, 1876 Improvement in Lightning Rods
Lightning rod made by bending a strip of metal to form two right angle triangles placed back to back and twisted
VERMILYA, Leland D.
Lightning Rod 2/3 to Edwin Pickering and Barton Pickering
 Edwin P. Barnes
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
 Edward L. Hall
U 1,620,392 March 8, 1927 Insulator
Radio strain with special pointed metal clips to minimize leakage
RIDER, Hebert E.
Radio Edward L. Hall
 Edward C. Sherburne
U Specimen known 247,100 September 13, 1881 Process of Forming Screws in Articles of Glass
Threading process inserts hollow blown glass thimble for threads
OAKMAN, Samuel
Thread Edward C. Sherburne
 Edmund O. Schweitzer
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
 Edison Storage Battery Co.
U 1,313,384 August 19, 1919 Battery Supporting Device
CD 40; Battery for submarines using a special battery rest insulator
HUTCHISON, Miller Reese
NORTON, Charles W.
Battery Edison Storage Battery Co.
 Edison General Electric Co.
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.
 Edia Ramsey
U 995,838 June 20, 1911 Knob for Electric Wiring
Crossover knob
BOWER, Fred B.
Crossover 1/2 to Edia Ramsey
 Ed Stein, J. H. Cannon, D. M. Moore, E. A. Dupree, J. H. McEwen, C. A. McEwen, and W. L. McEwen
U 589,566 September 7, 1897 Lightning Rod
Lightning rod with two crowns or points and endless cables attaching them together to equalize the current
MARSHALL, Elbridge
Lightning Rod 9/10 to Ed Stein, J. H. Cannon, D. M. Moore, E. A. Dupree, J. H. McEwen, C. A. McEwen, and W. L. McEwen
 E. S. Greeley & Co.
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.
 E. Morse
U Specimen known 66,054 June 25, 1867 Improvement in Lightning Rod Insulators
Lightning rod insulator (glass) with tie wire to hold conductor
STEBBINS, Darius
Lightning Rod Insulator 1/2 to E. Morse
 E. J. Noblett
U 840,369 January 1, 1907 Automatic Lathe
Insulator pin threading device
PRINGLE, George W.
Pin E. J. Noblett
 Duquesne Glass Co.
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.
 Dow Corning Corp.
U 4,749,824 June 7, 1988 High Voltage Insulators
Polymer suspension made of silicon elastomer
ORBECK, Tor
Polymer Dow Corning Corp.
 Doulton & Co., Ltd.
U 3,368,026 February 6, 1968 Electrical Insulator Having Improved Surface Electrical Stress Distribution
RFI prevention using two glaze coatings on suspension insulators
VINCE, Patrick Michael
RFI Doulton & Co., Ltd.
 Dodd & Struthers
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
 Delbert H. Mast
U 1,112,634 October 6, 1914 Lightning Conductor
Improvement of a previous application (see 1,119,973) by inserting a metallic disc in the coupling to aid in conduction through the coupling
MAST, Louis L.
Lightning Rod Delbert H. Mast
U 1,119,973 December 8, 1914 Lightning Conductor
Conductor composed of a strong metal core covered with a sheath of copper to form a ""star"" shaped lightning rod
MAST, Louis L.
Lightning Rod Delbert H. Mast
 Defiance Machine Works
U 751,841 February 9, 1904 Thread Cutting Machine
Insulator pin threading device
ENSIGN, George A.
Pin Defiance Machine Works
 David Brooks
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
 D. W. Dearing
U 595,543 December 14, 1897 Tubular Tripod Brace for Lightning Rods
Lightning rod tripod support with tubular legs and male connection for conductor between the legs
KRESS, George R.
Lightning Rod D. W. Dearing
 D. Black and T. Smith
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
 Cummings & Anderson
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
 Crosley Radio Corp.
U 2,135,344 November 1, 1938 Transposed Lead-In
Transposition for radio line
JOHNSTON, Fred E.
Transposition Crosley Radio Corp.
 Crosby Brothers Manufacturing Co.
U Specimen known 2,466,083 April 5, 1949 Wire Holding Device
Metal strip with alternating slots or ribs to allow the insulated wire to be wrapped in and out of the slots or ribs to securely hold the wire without damaging the insulation covering. One end of the metal strip is fixed to allow it to hang at various angles needed to drop the wire to a building. Lou Hall has a pair of them that are stamped: VINE GRIP followed by PAT. CAN 1949/U.S.A. #2466083
CROSBY, Noble Wellington
Wire Holder Crosby Brothers Manufacturing Co.
 Corning Glass Works
U 1,304,622 May 27, 1919 Heating Vessel
Production of glass baking dishes from Pyrex glass
SULLIVAN, Eugene C.
TAYLOR, William C.
Non-electrical Corning Glass Works
U Specimen known 1,304,623 May 27, 1919 Glass
Boro-silicate glass (Corning Pyrex glass)
SULLIVAN, Eugene C.
TAYLOR, William C.
Boron Corning Glass Works
U 1,449,793 March 27, 1923 Glass and Process of Making Same
Boro-silicate glass made colorless by adding neodymium oxide
TAYLOR, William C.
Boron Corning Glass Works
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
U 1,543,779 June 30, 1925 Manufacture of Insulators
Suspension glass insulator with pin molded in the glass
LITTLETON, Jesse T.
FULCHER, Gordon S.
Suspension Corning Glass Works
U Specimen known 1,700,066 January 22, 1929 Insulator for Radio Frequency Currents
Radio strain insulator made from Pyrex glass for antennas
MARSHALL, Albert E.
Radio Corning Glass Works
U 1,886,280 November 1, 1932 Ultra Violet Ray Transmitting Glass and to a Batch and Method for Making the Same
Boro-silicate glass, method to make glass to transmit UV light
LOCKE, Fred M.
LOCKE, Fred J.
Boron Corning Glass Works
U 1,923,221 August 22, 1933 Process of Melting Glass
Boro-silicate glass, method to make colorless by using graphite pot
LOCKE, Fred M.
LOCKE, Fred J.
Boron Corning Glass Works
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
U 1,975,297 October 2, 1934 Insulator
Suspension disk strengthen by acid etching glass under cap
SHAVER, William W.
Suspension Corning Glass Works
U 2,072,201 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
U 2,081,508 May 25, 1937 Insulator Having High Surface Resistance and Method of Making It
RFI: carnival coating (stain) to increase surface resistance and for marker insulator
SHAVER, William W.
RFI Corning Glass Works
U Specimen known 2,118,795 May 24, 1938 Insulator
RFI: tin iridized coating to reduce water adherence, radio interference, and reflect sun
LITTLETON, Jesse T.
RFI Corning Glass Works
U Specimen known 2,133,768 October 18, 1938 Insulator
RFI: non-conducting iron iridized coating over tin iridized coating (see 2,118,795)
HOSTETTER, John C.
LITTLETON, Jesse T.
RFI Corning Glass Works
U 2,198,734 April 30, 1940 Insulator
Suspension disk with crown more tempered than skirt for strength
LITTLETON, Jesse T.
Suspension Corning Glass Works
U 2,238,198 April 15, 1941 Insulator Press
Insulator press with multiple molds for pressing glass insulators
WEBER, Walter C.
Press Corning Glass Works
U 2,254,227 September 2, 1941 Glass Tempering Method and Apparatus
Glass tempering of suspension insulators in a controlled manner
LEWIS, Evan J.
Glass Corning Glass Works
U 2,290,073 July 14, 1942 Method of Assembling Insulators
Method of using a metal alloy to cement the cap and pin on a glass suspension disk
SAID, William Howard
Suspension Corning Glass Works
U 2,383,090 August 21, 1945 Electric Insulator
Suspension insulator with improved cementing methods
TOROK, Julius J.
Suspension Corning Glass Works
U 2,893,542 July 7, 1959 Glass Working Machine
Glass press (references Hemingray press 588,795)
WATKINS, George E.
POND, Leander N.
Press Corning Glass Works
 Copperweld Steel Co.
U 2,202,538 May 28, 1940 Line Conductor Reinforcement and Tie
Tie wire or line reinforcement made of a stiff drawn wire preformed helix to fit around the diameter of the line wire without bending
SELQUIST, Rolf
Tie Wire Copperweld Steel Co.
U 2,234,656 March 11, 1941 Insulator Tie for Electric Conductors
Preformed tie wire clips that fit around the insulator and clip on the line wire
SCHMALZ, James H.
Tie Wire Copperweld Steel Co.
U 2,421,286 May 27, 1947 Insulator Tie for Line Conductors
Preformed hard drawn wire helix to act as line wire reinforcement and tie wire
PYLE, Ralph D.
Tie Wire Copperweld Steel Co.
 Consolidated Fire Alarm Co.
U 785,561 March 21, 1905 Wiring Cleat
Cleat - self-tying
LATIMER, John M.
Cleat Consolidated Fire Alarm Co.
 Cole Brothers Lightning Rod Co.
U 1,163,181 December 7, 1915 Lightning Rod Coupling
Coupling for spiral ""star"" shaped lightning rods (see 297,290)
SCHMITT, Eugene A.
Lightning Rod Coupling Cole Brothers Lightning Rod Co.
 Clement Henry McLeod
D Specimen known 31,798 November 7, 1899 Design for an Insulator
CD 143 with diagonal spiral ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
D Specimen known 31,799 November 7, 1899 Design for an Insulator
CD 121 and CD 143 with vertical ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
 Clement H. McLeod
U Specimen known 633,173 September 19, 1899 Insulator
CD 121 and CD 143 with external projections to absorb mechanical shock - horizontal ridges
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
U Specimen known 633,174 September 19, 1899 Insulator
CD 121 and CD 143 with external projections to absorb mechanical shock - spiral ridges
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
U Specimen known 633,175 September 19, 1899 Insulator
CD 121 and CD 143 with external projections to absorb mechanical shock - projections
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
U Specimen known 633,176 September 19, 1899 Insulator
CD 121 and CD 143 with external depressions to absorb mechanical shock
WITHYCOMBE, Frederick H.
Insulator 11/20 to Clement H. McLeod
 Claud Neon Lights, Inc.
U Specimen known 1,755,971 April 22, 1930 Insulator
Neon, knob to support wires for neon sign (""spook"" insulator)
SMALLEY, Robert C.
Neon Claud Neon Lights, Inc.
 Clark Electric and Mfg. Co.
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.
 Charles Tremain
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
 Charles T. Weyman
U 310,484 January 6, 1885 Press for the Manufacture of Insulators and other Glass Articles
Press for making insulators
WEYMAN, George W.
Press 1/2 to Charles T. Weyman
 Charles Stone
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
 Charles Snyder
U 753,398 March 1, 1904 Cleat for Electric Wiring
Knob - 2-piece with base cut at an angle
HUNT, Emory C.
Knob 1/2 to Charles Snyder
U Specimen known 753,399 March 1, 1904 Combination Bracket and Knob for Electric Conductors
nail-knob with hole in the top and two side groove for tie-wire (see Western Electrician 4-29-1905)
HUNT, Emory C.
Knob 1/2 to Charles Snyder
 Charles N. Freeman & David W. O'Neil
U 278,618 May 29, 1883 Machine for Making Brackets for Telegraph Insulators
Machine to turn wooden insulator pin brackets
SMITH, John B.
Pin Charles N. Freeman & David W. O'Neil
U 278,619 May 29, 1883 Machine for Making Telegraph Insulator Pins
Machine to turn wooden insulator pins
SMITH, John B.
Pin Charles N. Freeman & David W. O'Neil
 Charles M. Rhodes
U 264,379 September 12, 1882 Mode of Making Glass Screw Caps
Mode of making glass screw caps for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Jars 1/2 to Charles M. Rhodes
U 270,162 January 2, 1883 Mold for Forming Glass Screw Caps
Mold for making glass screw caps for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Jars Charles M. Rhodes
 Charles Lee & The Gould & Watson Co.
U 413,146 October 15, 1889 Insulator
Tree insulator bracket holding wire with two spool type insulator
MCCARTHY, Louis
Tree Charles Lee & The Gould & Watson Co.
 Charles J. Leming
U 280,324 June 26, 1883 Combined Insulator and Lightning arrester
Combined insulator and lightning arrestor
NOBLE, John E.
Lightning Arrestor 1/6 to Charles J. Leming
 Charles H. Smith and John Hewitt
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
 Charles H. Lockett
D 25,830 July 21, 1896 Design for an Insulator Bracket
Bracket (stirrup-shaped) for non-pintype insulator
VELAZQUEZ, Carlos M.
Bracket Charles H. Lockett
 Charles Fritts
U 1,185,700 June 6, 1916 Insulator for Trolley Wires
Trolley hanger insulator
MOSS, Benton C.
Trolley 1/2 to Charles Fritts
 Charles E. Norton
U 1,432,706 October 17, 1922 Recuperator for Glass Furnaces and the Like
Glass furnace design
MCLAUGHLIN, William
McLaughlin 1/2 to Charles E. Norton
 Charles B. Elmer
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
 Charles A. Lieb
U 450,294 April 14, 1891 Insulator
Hanger - bell type for trolley
LIEB, Charles A.
LAVENS, Erwin
Hanger Charles A. Lieb
 Charles A. Bookwalter, Thomas Taggart, and Crawford Fairbanks and 1/4 to Ralph G. Hemingray
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
 Champion Porcelain Co.
U 1,631,729 June 7, 1927 Ceramic Insulating Material
Porcelain composition for spark plugs and insulators consisting of Sillimanite and a glassy matrix
JEFFERY, Joseph A.
MONTGOMERY, Earle T.
Porcelain Champion Porcelain Co.
U 1,631,730 June 7, 1927 Ceramic Material
Porcelain composition for spark plugs and insulators consisting of Sillimanite
JEFFERY, Joseph A.
MONTGOMERY, Earle T.
Porcelain Champion Porcelain Co.
U 1,723,174 August 6, 1929 Use of Dumortierite
Porcelain composition use the mineral dumortierite which allows firing at a lower temperature
JEFFERY, Joseph A.
RIDDLE, Frank H.
Porcelain Champion Porcelain Co.
 Chambers National Lightning Protection Co.
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.
 Ceraver
U 4,406,918 September 27, 1983 Tempered Glass Dielectric Member for an Electrical Insulator and an Insulator Using Said Member
Glass tempering method
SABY, Charles
Glass Ceraver
U 4,427,844 January 24, 1984 Metal Capped Electrical Insulator and Method of Making Same
Suspension (glass) where the aluminum alloy cap is molded in place
SABY, Charles
JEANNIN, Serge
PERRIER, Jean-Paul
Suspension Ceraver
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
 Canadian Porcelain Co.
U 3,836,705 September 17, 1974 Electrical Insulator and Conducting Tar Therefore
RFI prevention using conductive tar to coat insulator and metal surfaces for cementing
ROSENBLATT, Gordon
RFI Canadian Porcelain Co.
 C. W. E. Snyder
U 776,514 December 6, 1904 Cleat for Electric Wiring
Knob - split
HUNT, Emory C.
Knob 1/2 to C. W. E. Snyder
 C. Miller & H. Wagner
U 660,140 October 23, 1900 Insulator
Clamp type ribbed cylindrical 2-piece
ALLEY, Cassius
Clamp Type 1/3 to C. Miller & H. Wagner
 C. Inglis & E. Reilly
U Specimen known 545,819 September 3, 1895 Electric Insulator
CD 268, hole through crown for tie wire
ROTHENBERGER, Daniel M.
Insulator 2/3 to C. Inglis & E. Reilly
 C. D. Stevens
U 834,533 October 30, 1906 Insulator
Knob - split vertically to clamp wire
NICOLS, James F.
Knob 1/2 to C. D. Stevens
 C. A. C. Automatic Machine Co.
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.
 Bullers Limited
U 2,576,723 November 27, 1951 Electric Insulator Having Potential Drop Controlling Means
RFI design using two conductive coatings of different temperature expansion
PERRINS, George
RFI Bullers Limited
 Brunt Tile & Porcelain Co.
U Specimen known 1,232,354 July 3, 1917 Insulator
nail-knob
MAIR, John E.
Knob Brunt Tile & Porcelain Co.
U 1,314,682 September 2, 1919 Spur Forming Machine
Machine for making nail-knobs (see 1,517,084)
MCKNIGHT, Oscar W.
Knob Brunt Tile & Porcelain Co.
U 1,342,053 June 1, 1920 Bushing Forming Machine
Machine to manufacture wall tubes and bushings
MCKNIGHT, Oscar W.
Wall Tube Brunt Tile & Porcelain Co.
U 1,517,084 November 25, 1924 Spur Forming Machine
Machine for making nail-knobs (see 1,314,682)
MCKNIGHT, Oscar W.
Knob Brunt Tile & Porcelain Co.
 Brown Company
U 1,880,766 October 4, 1932 Support for Insulators
Steel pin with waterproof fiber threads and cone cover
BURKE, Edmund
Pin Brown Company
 Brown Co.
U 1,799,580 April 7, 1931 Insulator
Suspension insulator composed of wood fibers impregnated with tar
BURKE, Edmund
Suspension Brown Co.
 Brookfield Glass Co.
U 646,948 April 10, 1900 Press for Molding Insulators
Automatic press for making insulators
BROOKFIELD, Henry M.
KRIBS, Seraphin
Press Brookfield Glass Co.
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 1,049,594 January 7, 1913 Press for Molding Insulators or Similar Articles
Press for making glass insulators
OLSEN, Sigward
Press Brookfield Glass Co.
U 1,136,275 April 20, 1915 Press for Making Glass Insulators
Press for making glass insulators
ROEHRICH, Frank N.
Press Brookfield Glass Co.
U 1,137,000 April 27, 1915 Fluid Molding Press
Press for making glass insulators
BROOKFIELD, Henry M.
OLSEN, Sigward
Press Brookfield Glass Co.
U 1,144,527 June 29, 1915 Mold
Press for making glass insulators
BROOKFIELD, Henry M.
OLSEN, Sigward
Press Brookfield Glass Co.
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.
 Brady Electric & Mfg. Co.
U 1,505,730 August 19, 1924 Insulator and Support Therefor
Wireholder with lag screw and metal bracket
ROCKWELL, Herbert O.
Wireholder Brady Electric & Mfg. Co.
U 1,527,346 February 24, 1925 Flexible Insulator
Wireholder with lag screw and metal bracket
BRADY, William P.
Wireholder Brady Electric & Mfg. Co.
 Bleecker S. Barnard
U 764,384 July 5, 1904 Insulating Support for Electric Third Rails
Third rail insulator that screws into metal support ahd has a threaded hole in top to receive the metal rail support.
SLATER, Frederick R.
Third Rail Bleecker S. Barnard
 Blake & Trimnell and George Hunt
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
 Bennett B. Schneider
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
 Belle Callender
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
 Bell Telephone Laboratories, Inc.
U 1,912,456 June 6, 1933 Transposition Bracket
Bracket for transposition
KLEIN, Charles H.
Bracket Bell Telephone Laboratories, Inc.
U 2,092,515 September 7, 1937 Insulator
Circular line spacer for telephone wires composed of a disk with holes for each wire
JERVEY, William T.
Spacer Bell Telephone Laboratories, Inc.
U 2,112,370 March 29, 1938 Wire Spacing Bracket
Bracket attached to crossarms to provide proper space between carrier conductors
KLEIN, Charles H.
Bracket Bell Telephone Laboratories, Inc.
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.
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.
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.
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.
 Beardsley/1/4 to Shoemaker
U 1,215,549 February 13, 1917 Electric Conductor Insulating Support
Suspension with method of balancing the electrical load across the string
KOONTZ, JR., John A.
Suspension 1/2 to Beardsley/1/4 to Shoemaker
 Battiste, 1/3 to Porter
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
 Barnes & Kobert Mfg. Co.
U 1,110,495 September 15, 1914 Insulator Support
Pin, pressed metal to form bin and support
KOBERT, Frank P.
Pin Barnes & Kobert Mfg. Co.
U 1,110,496 September 15, 1914 Insulator Support for Electric Wires
Pin and metal bracket to fit around crossarm
KOBERT, Frank P.
Pin Barnes & Kobert Mfg. Co.
U 1,286,207 December 3, 1918 Insulator Bracket
Bracket with special threaded thimble that will resist turning
BENEDICT, Paul M.
Bracket Barnes & Kobert Mfg. Co.
 Babson Brothers Co.
D Specimen known 126,721 April 22, 1941 Design for a Strain Insulator
Surge fence knob
SCHILLING, Lorell John
Knob Babson Brothers Co.
D Specimen known 126,722 April 22, 1941 Design for a Line Insulator
Surge fence knob
SCHILLING, Lorell John
Knob Babson Brothers Co.
U Specimen known 2,311,779 February 23, 1943 Insulating Apparatus For Electric Fences
Knob for fence post (porcelain SURGE insulator) (see 2,350,420) (see design 126,721) (see design 126,722) (see 2,454,348) [see picture 170540955]
SCHILLING, Lorell John
Electric Fence Babson Brothers Co.
U 2,454,348 November 23, 1948 Latch for Electric Fence Gates
Latch for electric fence using Surge insulators (see 2,350,420) (see design 126,721) (see design 126,722) (see 2,454,348) [see picture 170540955]
SCHILLING, Lorell John
Electric Fence Babson Brothers Co.
 Babson Bros. Co.
U Specimen known 2,350,420 June 6, 1944 Insulator Mounting
Surge porcelain electric fence insulator with drip points and special mounting bracket (see design 126,721) (see design 126,722) [see picture 170540955] (see 2,311,779) (see 2,454,348)
SCHILLING, Lorell J.
Electric Fence Babson Bros. Co.
 B. B. Hagerty
U 115,521 May 30, 1871 Improvement in Insulators for Telegraph Wires
Threadless insulator with metal thimble cemented in pinhole
READ, Horatio
Thimble 1/2 to B. B. Hagerty
 Automatic Machinery and Equipment Co., Inc.
U 1,486,664 March 11, 1924 Assembling Machine for Insulator Knobs
Machine to assemble nail-knobs
HIRES, John Edgar
Knob Automatic Machinery and Equipment Co., Inc.
 Augustus T. Clark
U 482,913 September 20, 1892 Insulator
Tree insulator
BROOKS, Herbert H.
Tree 1/2 to Augustus T. Clark
 August Weber, Sr.
U Specimen known 917,207 April 6, 1909 Insulator
Knob with offset screw
WEBER, JR., August
Knob August Weber, Sr.
 Arthur Mueller
U 1,151,179 August 24, 1915 Insulator
Self-tying slot top
HARRIS, Edwin D.
Self-tying Slot Top 1/2 to Arthur Mueller
 Arthur Moulton and 1/3 to C. W. Savage
U 891,955 June 30, 1908 Insulator
Self-tying insulator attached to top of crossarm consisting of a plate with two knobs to wrap the line wire around
SANDLIN, William C.
Self-tying Miscellaneous 1/3 to Arthur Moulton and 1/3 to C. W. Savage
 Arthur Ingraham & Samuel Brown
U 526,472 September 25, 1894 Insulator for Electric Conductors
Knob - self-tying
WEBSTER, George
Knob 1/2 to Arthur Ingraham & Samuel Brown
 Armstrong Cork Co.
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.
 Angeline C. Oakman
U 693,056 February 11, 1902 Preserve Jar
Jar made of pottery or glass to store butter or preserves
OAKMAN, Samuel
Bottle Angeline C. Oakman
 Andrew Siler
U 931,507 August 17, 1909 Insulator for Electric Wires
Self-tying miscellaneous
SILER, Aaron V.
Self-tying Miscellaneous 1/2 to Andrew Siler
 Andrew Siep, Jr.
U 274,821 March 27, 1883 Electric Wire Insulator
Self-tying miscellaneous
REIFF, William H.
Self-tying Miscellaneous 1/3 to Andrew Siep, Jr.
 Andrew Ross
U 459,843 September 22, 1891 Insulator
Hanger knob
THOMAS, Van A.
Hanger 1/2 to Andrew Ross
 Andrew D. Ross
U 463,587 November 17, 1891 Insulator Bracket
Bracket
THOMAS, Van A.
Bracket 1/2 to Andrew D. Ross
U 463,588 November 17, 1891 Insulator Bracket
Bracket
THOMAS, Van A.
Bracket 1/2 to Andrew D. Ross
 Anders P. Lindholm
U 1,171,126 February 8, 1916 Insulator Pin
Pin, sheet metal formed cone and threads
LINDHOLM, John G. S.
LINDHOLM, Anders P.
Pin Anders P. Lindholm
U 1,171,127 February 8, 1916 Metallic Cross Arm Pin
Pin, sheet metal formed ribs and threads
LINDHOLM, John G. S.
Pin Anders P. Lindholm
 Amzi S. Dodd and Chinnock Electric Co.
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.
 American-International Aluminum Corp.
U 3,217,095 November 9, 1965 Cast Aluminum Insulator Cap
Suspension cap made of cast aluminum
ROSS, Frank S.
VAN TUYL, Thomas Oliver
Suspension American-International Aluminum Corp.