Search the Insulator Patent Reference Library:

Total of 35 patents found where: Class is '174'; Subclass is '148';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
U	103,122	May 17, 1870	Improvement in Insulators for Telegraphic Wire Hook with metallic oxide cement to hold hook or pin	BAKER, Robert B.	Hook
U	133,595	December 3, 1872	Improvement in Insulation of Telegraph lines Insulator suspended from sub cross-bar (CJ 9-85-14)	ROGERS, James H.	Insulator
U	308,818	December 2, 1884	Brace for Telegraph and Telephone Lines Brace to keep multiple lines separated during high wind.	ARNOLD, Andrew H.	Support
U	386,111	July 17, 1888	Electric Wire Insulator Knobs paired to hold wire in trees	CUTLER, Henry H.	Knob
U	530,706	December 11, 1894	Insulator Composition insulator with clip ears	MCCARTHY, Louis	Composition
U	554,723	February 18, 1896	Insulator Clamp type	PELOUBET, Esten	Clamp Type
U	682,831	September 17, 1901	Adjustable Insulator Knobs with various fluted sides grouped to hold wire	MURDOCK, Henry D.	Knob
U	705,811	July 29, 1902	Insulating Support for Metallic Circuits Stacked multiple insulators to support wire	ALLEN, John S.	Stack
U	732,665	June 30, 1903	Insulating System for Electric Transmission Circuits Bracket to hold multiple insulators for high tension line	UNDERWOOD, Alvah W.	Bracket
U	751,459	February 9, 1904	Line Insulator Odd arrangement of two ribbed spools supporting a third ribbed spool to support the line wire	CHESNEY, Cummings C.	Miscellaneous
U	827,361	July 31, 1906	Insulating Support for Electrical Conductors Means to support high voltage conductors using small pintype insulators	GIBBONEY, William K.	Miscellaneous
U	872,569	December 3, 1907	System of Insulation for High Voltage Electric Conductors Insulator system for high voltage conductors	LOCKE, Fred M.	Insulator
U	917,785	April 13, 1909	Insulating Support for High Tension Conductors Suspension support system	MERSHON, Ralph D.	Suspension
U	918,339	April 13, 1909	System for Insulation for High voltage Electric Conductors Insulator multiples	LOCKE, Fred M.	Insulator
U	1,056,998	March 25, 1913	Insulator Means of insulating and supporting a bussbar.	JAMIESON, Bertrand G. KELLER, Carl A.	Bussbar
U	1,084,147	January 13, 1914	Support for Electric Service Wires Bulbous insulator mounted on a crossarm pin to allow tie-off and running multiple service wires from the main power conductor	HOPKINS, Guy	Service Drop
U	1,236,886	August 14, 1917	Insulator for Telegraph and Telephone Wires Bracket composed of three grooved spool insulators arranged to allow the line wire to move horizontally to maintain the tautness of the line.	SORENSEN, Arvid C.	Bracket
U	1,292,451	January 28, 1919	Line Wire Insulator miscellaneous	FORT, Louis	Miscellaneous
U	1,326,307	December 30, 1919	Method of and Means for Supporting Electric Conductors Rod type insulators used as suspension insulators for high voltage conductors.	THOMAS, Percy H.	Suspension
U	1,806,170	May 19, 1931	Bracket and Dead-End Insulator Double deadend bracket with two spool insulators.	LAW, Stanley W.	Bracket/wireholder
U	1,954,592	April 10, 1934	Wire Support Wireholder	KLINGEL, Edward L.	Wireholder
U	1,961,434	June 5, 1934	Adjustable Insulator Bracket Odd bracket for two spools to hold line wire at varying angles when mounted in a tree with a lag screw	SMEAD, Donald G.	Bracket
		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
		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.
		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.
		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.
		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.
		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.
		Societe Vedovelli Priestley
U	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
		The Ohio Brass Co.
U	1,048,992	December 31, 1912	Insulator Strain, interlocking type (OB hog liver)	MEAD, George A.	Strain	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	1,740,641	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.
		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	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.
		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

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