Search the Insulator Patent Reference Library:

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

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1886
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
		1887
U	362,682	May 10, 1887	Loop Insulator Suspension or strain insulator with shield	SANDS, Horace Van	Suspension
		1891
U	459,686	September 15, 1891	Insulator Strain type	GERRARD, Clarence L.	Strain
		1894
U	515,779	March 6, 1894	Strain Insulator Strain type	LUSCOMB, Henry H.	Strain	The Johns Pratt Co.
		1907
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
		1908
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	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.
U	905,014	November 24, 1908	Flexible Suspension for Conductors Electrose suspension system	STEINBERGER, Louis	Electrose
		1911
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
		1913
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.
U	1,059,903	April 22, 1913	Insulator with Fuse Insulator with fuse in the bottom	PETTERSEN, Kristian	Fuse Holder
		1914
U	1,118,694	November 24, 1914	Disk Strain Insulator Suspension made of Electrose like fishtail Hewlett	STEINBERGER, Louis	Suspension
		1915
U	1,160,546	November 16, 1915	Disk Strain Insulator Suspension made of Electrose like fishtail Hewlett	STEINBERGER, Louis	Electrose
		1917
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
		1921
U	1,373,576	April 5, 1921	Electric Insulator Suspension insulator composed of several parts to withstand tension	THOMAS, Percy H.	Suspension
		1922
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.
		1923
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.
		1926
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	1,594,207	July 27, 1926	Insulator Wireholder with lag screw and ring	KYLE, William D.	Wireholder	Line Material Co.
		1927
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
		1928
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.
		1929
U	1,716,963	June 11, 1929	Insulator Suspension coupling device (see 1,329,770)	JOHNSTON, Robert M.	Suspension	Jeffery-Dewitt Co.
		1931
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	1,815,598	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
		1932
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.
		1934
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.
		1937
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.
		1941
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.
		1943
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.
		1957
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
		1959
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.
		1966
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.
		1985
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

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