Search the Insulator Patent Reference Library:

Total of 37 patents found where: Class is '174'; Subclass is '177';

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
U	352,436	November 9, 1886	Electric Insulator Strain type	WINTON, Henry D.	Strain
U	352,437	November 9, 1886	Electric Insulator Strain type	WINTON, Henry D.	Strain
U	362,682	May 10, 1887	Loop Insulator Suspension or strain insulator with shield	SANDS, Horace Van	Suspension
U	459,686	September 15, 1891	Insulator Strain type	GERRARD, Clarence L.	Strain
U	885,678	April 21, 1908	Insulator for Heavy Currents Heavy duty Electrose insulator that was bolted to supports and had several horizontal flanges or skirts.	STEINBERGER, Louis	Electrose
U	905,014	November 24, 1908	Flexible Suspension for Conductors Electrose suspension system	STEINBERGER, Louis	Electrose
U	1,006,040	October 17, 1911	Insulator Suspension using multiple parts connected with a cable	ALSBERG, Julius	Suspension
U	1,011,652	December 12, 1911	Strain Insulator Strain, ribbed made of Electrose	STEINBERGER, Louis	Strain
U	1,059,903	April 22, 1913	Insulator with Fuse Insulator with fuse in the bottom	PETTERSEN, Kristian	Fuse Holder
U	1,118,694	November 24, 1914	Disk Strain Insulator Suspension made of Electrose like fishtail Hewlett	STEINBERGER, Louis	Suspension
U	1,160,546	November 16, 1915	Disk Strain Insulator Suspension made of Electrose like fishtail Hewlett	STEINBERGER, Louis	Electrose
U	1,212,704	January 16, 1917	Disk Strain Insulator Suspension or disk strain made of Electrose with corrugations top and bottom	STEINBERGER, Louis	Suspension
U	1,223,909	April 24, 1917	Disk Strain Insulator Suspension or disk strain made of Electrose with spiraling ridges on each side	STEINBERGER, Louis	Suspension
U	1,373,576	April 5, 1921	Electric Insulator Suspension insulator composed of several parts to withstand tension	THOMAS, Percy H.	Suspension
U	1,815,598	July 21, 1931	Insulating Member for High Tension Construction Wooden shaft with metal fittings to insulate guy wires on high voltage transmission poles	STROUP, Charles L.	Wood
U	4,529,838	July 16, 1985	Support Bracket for Electrical Insulator Bracket for mounting on side of pole made of a rod of insulating material with pin bracket on one end.	HALL, Gaddis G.	Bracket
		Albert & J M Anderson Mfg. Co
U	869,403	October 29, 1907	Strain Insulator Strain insulator made of a ball with two loop connectors	ANDERSON, Albert	Strain	Albert & J M Anderson Mfg. Co
		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
		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.
		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.
		Jeffery-Dewitt Co.
U	1,716,963	June 11, 1929	Insulator Suspension coupling device (see 1,329,770)	JOHNSTON, Robert M.	Suspension	Jeffery-Dewitt Co.
		Line Material Co.
U	1,594,207	July 27, 1926	Insulator Wireholder with lag screw and ring	KYLE, William D.	Wireholder	Line Material Co.
		Locke Insulator Corp.
U	1,426,981	August 22, 1922	Insulator High tension strain made up of one or more ribbed insulators	GODDARD, Walter T.	Strain	Locke Insulator Corp.
U	1,454,634	May 8, 1923	Insulator Suspension or multipart attachment using wire lacing	GODDARD, Walter T.	Suspension	Locke Insulator Corp.
U	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	1,794,111	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	1,958,435	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.
		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.
		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
		The Johns Pratt Co.
U	515,779	March 6, 1894	Strain Insulator Strain type	LUSCOMB, Henry H.	Strain	The Johns Pratt Co.
		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 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	2,234,391	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.
		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	1,664,208	March 27, 1928	Insulator Suspension fog-type with ceramic covered wood/fiber connecting tube	GILCHREST, George Irving	Suspension	Westinghouse Electric & Mfg. Co.
U	1,873,750	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.

Total of 0.02 seconds