Search the Insulator Patent Reference Library:

Total of 72 patents found where: Class is '174'; Subclass is '182';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1890
U	418,766	January 7, 1890	Support for Electric Conductors Brodie tree insulator with large lag screw and adjustable position.	SMITH, Joseph Brodie	Tree
		1894
U	526,498	September 25, 1894	Conductor Support and Insulator Jeffrey Mine insulator (CD 185)	OSYOR, David N.	Mine	Joseph A. Jeffrey
		1900
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.
		1905
U	779,659	January 10, 1905	Insulator Suspension type	LOCKE, Fred M.	Suspension
		1908
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.
		1910
U	947,274	January 25, 1910	Suspension Device for Insulators Suspension with ball and socket coupling	AUSTIN, Arthur O.	Suspension	The Akron Hi-Potential Porcelain Co.
U	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.
		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	1,075,217	October 7, 1913	High Voltage Insulator Suspension, cap design to allow easy connection using a spring-loaded clip	MAXWELL, Marshall P.	Suspension
		1917
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.
		1918
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	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	1,284,976	November 19, 1918	Insulator Multipart and suspension cemented metal part designs	AUSTIN, Arthur O.	Multipart	The Ohio Brass Co.
		1919
U	1,291,217	January 14, 1919	Adjustable Suspension Insulator Suspension disk with adjustable length pin to equalize the potential across each disk to reduce arc-over	SONNEBORN, Sol S.	Suspension
U	1,305,712	June 3, 1919	Insulator Cap Suspension cap to receive hook with pin to fin in cap	GODDARD, Walter T.	Suspension
		1921
U	1,398,937	November 29, 1921	Suspension Insulator A suspension insulator with pressed on metal cap and special pin that does not require cement.	CAROLUS, Max	Suspension
		1924
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
U	1,515,755	November 18, 1924	Suspension Insulator Suspension, special pin design	ROHDE, Fritz SCHWINNING, Max	Suspension	Nora Pfannenstiel
		1927
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.
		1928
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	1,684,441	September 18, 1928	High Tension Insulator Suspension with special ribbed cap and pin	GOUVERNEUR, Minor F. H.	Suspension	Locke Insulator Corp.
		1929
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	1,725,097	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.
		1930
U	1,742,628	January 7, 1930	High Tension Insulator Fog type suspension & pin-type insulator with external petticoats (see 1,858,611) Patent was owned by Lapp Insulator Co.	BARFOED, Svend	Fog Type
U	1,758,462	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	1,768,948	July 1, 1930	High Voltage Insulator Suspension insulator	BAUM, Frank G.	Suspension	Westinghouse Electric & Mfg. Co.
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.
		1931
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	1,819,748	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	1,822,485	September 8, 1931	Insulator Method of attached metal cap and pin to suspension insulators	HAWLEY, Kent A.	Suspension	Locke Insulator Corp.
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	1,832,157	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.
		1932
U	1,851,671	March 29, 1932	High Tension Insulator Suspension insulator with metal attachments fixed with zinc, lead/antimony alloys	JOHNSTON, Robert M. MCLACHLAN, Alexander	Suspension
U	1,858,611	May 17, 1932	High Tension Insulator Fog type suspension by Lapp (see 1,742,628) Patent was owned by Lapp Insulator Co.	BARFOED, Svend	Fog Type
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.
		1933
U	1,927,639	September 19, 1933	Electric Insulator Suspension insulator with hole in top to insert pin, plug to cement in the hole, and cap cemented over the top	GRAMSS, Ernst	Suspension
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.
		1934
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.
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	1,960,147	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	1,961,402	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	1,975,297	October 2, 1934	Insulator Suspension disk strengthen by acid etching glass under cap	SHAVER, William W.	Suspension	Corning Glass Works
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.
		1935
U	1,988,155	January 15, 1935	Insulator Suspension pin	BOVARD, Floyd G.	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	1,994,291	March 12, 1935	Insulator Suspension for heavy loads with improved cap and pin design; improvement of A. O. Austin patent (see 1,994,265)	SMITH, William A.	Suspension
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	2,008,342	July 16, 1935	Insulator Suspension disk with metal spider cap over crown cemented in porcelain	STROUP, Charles L.	Suspension	Jeffery-Dewitt Insulator Co.
U	2,008,414	July 16, 1935	Insulator Suspension cementing procedure	FISCHER, Eugene H.	Suspension
		1936
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.
		1937
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	2,082,566	June 1, 1937	Connector Steel connector for strain, suspensions, and other insulators	BERNDT, Arthur A.	Connector	Electroline Corp.
		1939
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.
		1945
U	2,383,090	August 21, 1945	Electric Insulator Suspension insulator with improved cementing methods	TOROK, Julius J.	Suspension	Corning Glass Works
		1948
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.
		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.
		1969
U	3,444,314	May 13, 1969	Suspension Insulator Having a Cap With Internal Load Transmitting Surfaces Suspension metal cap designed with steps to aid in holding cement on insulator	VAN TUYL, Thomas Oliver	Suspension
		1974
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.
		1975
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)
		1983
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
		1984
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.
		1985
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.
		1987
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.
		1988
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.
		1989
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.

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