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Total of 35 patents found where: Class is '174'; Subclass is '178';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1883
U	269,933	January 2, 1883	Insulator for the Suspension of Electrical Wire Conductors Hook insulator of ""gelatinized or vulcanized fiber""	HIGGS, Paget COURTENAY, William	Hook
		1892
U	482,872	September 20, 1892	Insulator Strain type	LEE, Charles T.	Strain	The Johns-Pratt Co.
		1894
U	515,779	March 6, 1894	Strain Insulator Strain type	LUSCOMB, Henry H.	Strain	The Johns Pratt Co.
		1895
U	535,660	March 12, 1895	Insulator Strain in the shape of a ball	BELCHER, Warren J.	Strain	The Billings & Spencer Co.
		1903
U	724,351	March 31, 1903	Insulated Strain Electrose strain (Brown p. 69)	STEINBERGER, Louis	Electrose
		1905
U	786,691	April 4, 1905	Strain Electrose strain (Brown p. 69)	STEINBERGER, Louis	Electrose
		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.
		1909
U	927,186	July 6, 1909	High Potential Strain Insulator Electrose strain insulator, specimen marked with this patent	STEINBERGER, Louis	Electrose
U	927,187	July 6, 1909	Insulator Electrose disk insulator	STEINBERGER, Louis	Electrose
		1910
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	974,610	November 1, 1910	Strain Insulator Suspension made from Electrose	STEINBERGER, Louis	Suspension
		1911
U	999,414	August 1, 1911	High Tension Strain Insulator Electrose strain insulator	STEINBERGER, Louis	Strain
U	1,011,652	December 12, 1911	Strain Insulator Strain, ribbed made of Electrose	STEINBERGER, Louis	Strain
		1912
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
U	1,034,518	August 6, 1912	Hanger for Electrical Apparatus Hanger for street lights composed of a bell insulator, cross arm with spool insulators on each end, and a hook to support the lamp.	SCHEIBLE, Albert	Hanger
		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.
		1916
U	1,186,857	June 13, 1916	High Tension Strain Insulator Rigid suspension insulator made of multiple units	STEINBERGER, Louis	Electrose
R	14,204	October 17, 1916	Insulator Electrose disk insulator. Reissue of patent 927,187	STEINBERGER, Louis	Electrose
		1918
U	1,273,015	July 16, 1918	Electric Insulator Suspension made of several parts bolted together	THOMAS, Percy H.	Suspension
		1923
U	1,453,201	April 24, 1923	Strain Insulator Electrose strain insulator	STEINBERGER, Louis	Strain
		1924
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	1,520,984	December 30, 1924	Electric Insulator Suspension insulator composed of several parts to withstand tension	THOMAS, Percy H.	Suspension	Westinghouse Electric & Mfg. Co.
		1927
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.
		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.
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.
		1930
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.
		1931
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.
		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.
		1935
U	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.
		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.
		1942
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.
		1961
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.
		1971
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.
		1989
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

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