Search the Insulator Patent Reference Library:

Total of 90 patents found where: Class is '174'; Subclass is '164';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		Wood
U	306,718	October 21, 1884	Insulator Wooden block with wire projections for holding wire	CLARK, Eduard	Wood
U	306,719	October 21, 1884	Insulator Wooden block with wire projections for holding wire	CLARK, Eduard	Wood
		Wireholder
U	562,528	June 23, 1896	Wire Holder Odd wireholder with two fins or ears that hold the wire	HAKANSSON, Louis M.	Wireholder
U	1,505,730	August 19, 1924	Insulator and Support Therefor Wireholder with lag screw and metal bracket	ROCKWELL, Herbert O.	Wireholder	Brady Electric & Mfg. Co.
U	1,651,704	December 6, 1927	Line Insulator Wireholder with lag screw	HENDEE, Lem E.	Wireholder	Line Material Co.
U	1,663,011	March 20, 1928	Line Conductor Insulator Wireholder with lag screw and bolt attachment	KYLE, William D.	Wireholder	Line Material Co.
U	1,674,905	June 26, 1928	Insulator Wireholder with lag screw embedded in eye-shaped insulator	KYLE, William D. HENDEE, Lem E.	Wireholder	Line Material Co.
U	1,709,555	April 16, 1929	Insulator Support Wireholder with bracket designed to be cemented between bricks	BLACKBURN, Jasper ALBRECHT, Arthur A. PEELE, Hereward J.	Wireholder	Jasper Blackburn
U	1,838,319	December 29, 1931	Insulator Wireholder with lag screw	MILLER, Charles E.	Wireholder
U	2,174,723	October 3, 1939	Insulator Wireholder with metal loop, base & lag screw	HOCHER, Andrew A.	Wireholder	Hubbard & Co.
U	2,218,004	October 15, 1940	Porcelain Insulator Screw Bracket Wireholder with lag screw	LEMONT, Clarence J.	Wireholder	Line Material Co.
U	2,219,727	October 29, 1940	Insulator Structure Wireholder with multiple grooves and lag screw	STEWART, Lory B.	Wireholder	1/3 to Karl Thielscher
U	2,224,361	December 10, 1940	Insulator Wireholder with lag screw	SEELYE, Howard P.	Wireholder
R	22,469	April 11, 1944	Insulator Wireholder with lag screw (reissue of 2,259,526)	LEMONT, Clarence J.	Wireholder	Line Material Co.
		Wire Support
U	770,999	September 27, 1904	Wire Support Metal support shaped such that the conductor is pinched in the V-groove. The metal support fits inside a tubular insulator made of glass, porcelain or rubber that fits in a hole drilled in the crossarm.	BETTMANN, Charles Frederick ZAPP, John	Wire Support
		Wire
U	746,469	December 8, 1903	Electrical Wire Support Wire support of cylindrical shape & metal support bolt to underhang wire	CULLEN, Beauregard	Wire
		Wedge
U	296,485	April 8, 1884	Means for Supporting and Insulating Electrical Wires Wedge block for side of pole or driven in hole in crossarm	TRINGHAM, John Watson	Wedge
		Thread
U	107,075	September 6, 1870	Improvement in Telegraph Insulators Threaded screw top (external) for mounting in hole in crossarm or pole	MCKEE, Samuel	Thread
U	482,297	September 6, 1892	Electric Insulator Threaded externally with saddle groove and square hole	CLARK, William H.	Thread
		Split
U	419,642	January 21, 1890	Insulator for Electric Wires Split ring with split ring holder and lag screw	CORNOG, Isaac P.	Split
		Slotted
U	234,523	November 16, 1880	Telegraph Insulator Slotted circular insulator held by split metal screw bracket	BIGEON, Charles	Slotted
		Slack Wire
U	573,101	December 15, 1896	Wall Insulator Slack wire ring driven into mortar between bricks	O'NEILL, James J.	Slack Wire
U	907,834	December 29, 1908	Insulator Slack wire holder with nail spike	MARSHALL, George B.	Slack Wire
		Self-tying Slot Top
U	367,164	July 26, 1887	Insulator Self-tying slot top	RUGER, Henry K.	Self-tying Slot Top
U	801,196	October 3, 1905	Self-Locking Insulator Self-tying slot top	MATHIAS, Charles L.	Self-tying Slot Top	1/2 to Frank Kennedy
U	1,475,722	November 27, 1923	Insulator for Telephone and High Tension Conductors Self-tying slot top and clip	ROMANDY, Joseph	Self-tying Slot Top
		Self-tying Screw Top
U	585,026	June 22, 1897	Tieless Insulator Self-tying screw top	DELERY, Robert	Self-tying Screw Top
		Self-tying Miscellaneous
U	99,873	February 15, 1870	Improvement in Insulator for Telegraphs Self-tying via cam devise to hold wire with cap covering	FINLEY, Stephen L.	Self-tying Miscellaneous	1/2 to Marshall Lefferts
U	184,509	November 21, 1876	Improvement in Telegraph Insulators Self-tying head with threaded end to screw into pole	CUNNINGHAM, Robert A. CROWELL, David F.	Self-tying Miscellaneous
U	332,061	December 8, 1885	Telegraph Insulator Self-tying two piece combination insulator and pin	DEBLIEUX, Benjamin Noel	Self-tying Miscellaneous
U	347,454	August 17, 1886	Telegraph Wire and Insulator Fastening Self-tying with retainer for holding wire in groove	WILSON, John	Self-tying Miscellaneous
U	349,022	September 14, 1886	Telegraph Wire and Insulator Fastening Self-tying via a spiral of wire that fits in the top groove or notch holding the line wire within	WILSON, John	Self-tying Miscellaneous
U	805,169	November 21, 1905	Insulator and Wire Clamp Self-tying clamping with lever (see 552,501)	TAUBOLD, John F.	Self-tying Miscellaneous
U	844,796	February 19, 1907	Insulating Wire Holder Self-tying via spiral slot	HATCHETT, Andrew	Self-tying Miscellaneous	1/3 to Battiste, 1/3 to Porter
		Rubber
U	296,881	April 15, 1884	Insulator Rubber covered ring and knob with lag screw	SEELY, John A.	Rubber
		Ramshorn
U	823,820	June 19, 1906	Prong Insulator Ramshorn made of Electrose with lips and spout	STEINBERGER, Louis	Ramshorn
		Radio
U	1,886,984	November 8, 1932	Insulator Structure Radio strain insulator for antennas	STATON, Harry C.	Radio
		Pin
U	726,651	April 28, 1903	Electric Wire Support Glass insert in crossarm to insulate a steel pin that supports the conductor	CULLEN, Beauregard	Pin
U	853,743	May 14, 1907	Insulating Device Pin made of Electrose with flange on bottom	STEINBERGER, Louis	Pin
U	855,261	May 28, 1907	Insulator Pin Pin made of Electrose with flanges	STEINBERGER, Louis	Pin
		Miscellaneous
U	297,683	April 29, 1884	Telephone Line Insulator and pin coated with waterproof compound	DOOLITTLE, Thomas B.	Miscellaneous
U	825,795	July 10, 1906	Insulator miscellaneous	BAKER, Melvin F.	Miscellaneous
U	830,585	September 11, 1906	Insulator for Telegraph and Telephone Wires miscellaneous - block held by metal casing	GRAVES, Salathiel V. MCDANIEL, Samuel H.	Miscellaneous
U	955,065	April 12, 1910	Insulator miscellaneous oddball	HARDIN, Cornelious C.	Miscellaneous
		Mine
U	526,498	September 25, 1894	Conductor Support and Insulator Jeffrey Mine insulator (CD 185)	OSYOR, David N.	Mine	Joseph A. Jeffrey
U	667,882	February 12, 1901	Feeder Wire Insulator Mine insulator (similar to Sackett see 903,692) [CD 1025?]	KING, Charles K.	Mine
U	696,665	April 1, 1902	Wire Insulator Mine insulator	BENBOW, William C.	Mine	The Benbow Co.
U	903,692	November 10, 1908	Feeder Wire Insulator Mine insulator (Sackett type, similar to 667,882)	FINCKEL, George M.	Mine	The Sackett Mine Supply Co.
U	971,322	September 27, 1910	Mine Insulator Mine hanger insulator (see GB191027804)	SPEAKMAN, Charles W.	Mine
		Lightning Rod Insulator
U	70,727	November 12, 1867	Improvement in Insulators for Lightning Rods Lightning rod insulator (glass) with sheet metal strip under shingles	LOCKHART, Thomas J. LOCKE, Josiah	Lightning Rod Insulator
U	450,708	April 21, 1891	Insulator Lightning rod insulator	CREIGHTON, Theodore	Lightning Rod Insulator
		Knob
U	1,668,581	May 8, 1928	Electrical Insulating Knob Knob (Canada)	BROWN, Donald M.	Knob
		Insulator
U	110,645	January 3, 1871	Improvement in Glass Telegraph Insulators CD 1040 threaded, tapered glass insulator to screw into crossarm or pole	GARITY, John	Insulator
U	324,957	August 25, 1885	Telegraph Insulator Insulator (glass) screwed into crossarm	PUTNAM, Jacob D.	Insulator
U	562,166	June 16, 1896	Insulator Glass insulator with side conductor groove, threaded mounting pin, and hexagonal head to turn the insulator with a wrench for mounting in a wooden crossarm. A metal reinforcing pin is molded in the threaded end. (see patent gb1896-0019650)	BLANKINSOP, Thomas BROWN, Joseph W.	Insulator
U	601,195	March 22, 1898	High Potential Insulator Inner skirt extending down to the crossarm or through the crossarm to prevent arcing from the petticoat edges to the pin, U-944. (see patent 600,475) (see patent gb1898-0006235)	BOCH, John W.	Insulator	The R. Thomas & Sons Co.
U	634,568	October 10, 1899	Insulating Support for Electric Wires CD 309, U-416, under-crossarm type for better protection from rain	BEAL, Carroll N.	Insulator
U	972,994	October 18, 1910	Insulator Insulator base curve to fit flush with matching curved top of crossarm	CAMPBELL, John H.	Insulator
U	1,022,993	April 9, 1912	Insulator Insulator with external threads to be screwed into metal shield and entire unit screwed into underside of the crossarm	WILLIS, George W.	Insulator
U	1,127,474	February 9, 1915	Insulator Support Glass insulator with tapered pin base that fits inside the insulator to secure the wire which passes through a vertical slot in the sides of insulator and wedged between the base and insulator held together by a bolt that runs through the insulator and angle-iron crossarm	MARDOCK, Guy	Insulator
		Hook
U	6,779	October 9, 1849	Supporter for Telegraph Wires Hook encased in metal shell (also House-top insulator?)	LIVINGSTON, L. R. ROGGEN, J. J. ADAMS, Calvin KENDALL, Amos VAIL, Alfred	Hook
U	21,492	September 14, 1858	Improvement in Telegraph Insulators Hook covered with rubber to insert into crossarm or pole (see 124,199)	FARMER, Moses G. BATCHELDER, John M.	Hook
U	51,934	January 9, 1866	Improvement in Telegraph Insulators Hook with improved rubber cap and flared top	ELY, Alfred B.	Hook
U	52,761	February 20, 1866	Improvement in Telegraph Insulators Hook screwed into block of vulcanite	SMITH, William W.	Hook
U	53,201	March 13, 1866	Telegraph Insulator Hook with glazed enamel at right angle to square pointed shank	WADDELL, William W.	Hook
U	53,246	March 13, 1866	Improvement in Telegraph Insulators Hook insulator	SMITH, William W.	Hook
U	53,426	March 27, 1866	Improvement in Telegraph Insulators Hook covered with rubber attached to rubber hollow ball chamber	ELY, Alfred B.	Hook
U	53,427	March 27, 1866	Improvement in Telegraph Insulators Hook fitted with a disk of rubber	ELY, Alfred B.	Hook
U	56,542	July 24, 1866	Improvement in Insulators for Telegraphs Hook to be inserted directly into pole or crossarm	ELY, Alfred B.	Hook
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	124,199	March 5, 1872	Improvement in Telegraph Insulators Hook in vulcanite with deep recess saturated with paraffin (see 21,492)	FARMER, Moses G.	Hook
U	200,124	February 12, 1878	Improvement in Telegraph Insulators Hook in glass held in crossarm by pin (Brooks & La Bastie)	BROOKS, David	Hook
U	293,242	February 12, 1884	Insulator for Electric Wires Hook with different shape and glazed to screw into pole or crossarm	HALE, Albert W.	Hook
U	294,384	March 4, 1884	Insulator for Electric Conductors Hook with metal glazed coated surface (improvement of 293,242)	HALE, Albert W.	Hook
U	301,446	July 1, 1884	Insulator for Electric Wires Hook with glazed covering (see 293,242 and 294,384)	HALE, Albert W.	Hook
U	396,847	January 29, 1889	Wire Hook Insulated hook with four prongs to wrap line wire around	ASHEN, Peter	Hook	Sylvester Y. L'Hommedieu & Co.
U	441,849	December 2, 1890	Electric Line Hook Hook made of iron to secure line wire with threaded end to screw in crossarm	LOCKE, Fred M. LAPP, John	Hook	1/3 to Theodore Norton
		Electrose
U	1,166,393	December 28, 1915	Insulator Electrose high tension pintype insulator	STEINBERGER, Louis	Electrose
		Cup
R	3,499	June 8, 1869	Improvement in Telegraph Insulators Cup under insulator (similar to oil insulator) to maintain dry surfaces (see 71,418)	SIMONDS, W. Edgar	Cup
		Composition
U	287,830	November 6, 1883	Telegraph Insulator Composition insulator (paper covered wooden insulator) (Brown p. 59)	HINSDALE, Charles C.	Composition
		Cleat
U	411,801	October 1, 1889	Wire Holder and Insulator Cleat	FLETCHER, John R.	Cleat
U	757,765	April 19, 1904	Insulator Cleat - self-tying	OSBORNE, John W.	Cleat
U	815,506	March 20, 1906	Insulator Cleat - self-tying	BLYNT, Herbert S.	Cleat
		Clamp Type
U	756,627	April 5, 1904	Insulator Clamp type 2-piece with horseshoe nail holder	HANSON, John A. LAMBERT, Albert F.	Clamp Type
U	1,027,601	May 28, 1912	Insulator and Support Clamp type mounted in spike	GRESSETT, Lawrence F.	Clamp Type
		Bracket/wireholder
U	2,150,995	March 21, 1939	Wire Bracket Wireholder bracket with lag screw that allows bracket and insulator movement.	TALLMAN, Oscar F.	Bracket/wireholder	James R. Kearney Corp.
		Bracket
U	584,823	June 22, 1897	Combined Bracket and Insulator Combined bracket and insulator with bracket made of non-conducting material such as glass or porcelain	MEAD, George Warren	Bracket
U	937,984	October 26, 1909	Insulator Bracket Bracket to mount insulator in mortar between bricks	BROWN, Edward V.	Bracket	1/2 to Adolph Day
U	1,311,977	August 5, 1919	Insulator Bracket Bracket with lag screw fixed with nails for small spool insulator	KYLE, William D.	Bracket
U	1,934,308	November 7, 1933	Insulator Support Bracket mounted horizontally to hold a spool insulator	HOIT, Julian D.	Bracket	National Electric Products Corp.

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