Search the Insulator Patent Reference Library:

Total of 65 patents found where: Class is '174'; Subclass is '154';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1848
U	5,889	October 31, 1848	Insulating Support for Telegraph Wires Block (glass) with zigzag slit held by hooded bracket	LIVINGSTON, Laureston R. ROGGEN, John J. ADAMS, Calvin	Block
		1850
U	7,076	February 5, 1850	Lightning Rod Insulator Lightning rod insulator (attachment for conductors)	SPRATT, James	Lightning Rod Insulator
		1851
U	8,438	October 14, 1851	Improvement in Insulators for Telegraphs CD 1012 & CD 1014, slotted glass tube mounted in a wooden bracket	YANDELL, John	Insulator
		1859
U	23,373	March 29, 1859	Improved Insulator for Lightning Rods Lightning rod insulator (glass) and bracket to hold rod	HICKOK, Russel	Lightning Rod Insulator
		1860
U	28,263	May 15, 1860	Improved Insulator for Electrodes Slotted enameled iron ring for holding electrodes	ENGLER, Louis KRAUSS, Ernest F.	Slotted
		1867
U	66,215	July 2, 1867	Improvement in Insulator Holders Lightning rod insulator holder for glass insulator	CALROW, Richard	Lightning Rod Insulator
		1868
U	78,459	June 2, 1868	Improvement in Lightning Rods Means of connecting tubular lightning rods and supporting with rubber brackets	KIRTLAND, George	Lightning Rod Coupling	S. Smith
		1869
U	92,299	July 6, 1869	Improvement in Telegraph Insulators Clamp type insulator and bracket	FRY, John W.	Clamp Type
U	93,410	August 10, 1869	Improvement in Insulators for Lightning Rods Lightning rod insulator clamp type and rain shield	BURNHAM, John	Lightning Rod Insulator
		1880
U	234,523	November 16, 1880	Telegraph Insulator Slotted circular insulator held by split metal screw bracket	BIGEON, Charles	Slotted
		1882
U	263,423	August 29, 1882	Stand for Lighting Rods Lightning rod tripod stand supported on insulators mounted on the feet	MUNN, William B.	Lightning Rod
		1883
U	280,947	July 10, 1883	Insulator for Electrical Conductors Cylindrical insulator suspended from wire to hold bar separates several wires	OHL, Percy C.	Cylinder
		1884
U	298,594	May 13, 1884	Terminal Insulator Spool (skirted) with bracket to act as terminal wire support	LEWIS, Joseph Slater	Spool	1/2 to William P. Thompson
		1885
U	319,300	June 2, 1885	Lightning Arrester for Wire Fence Lightning protection for wire fence	MORTON, William Arthur	Lightning Rod Fence
		1887
U	369,447	September 6, 1887	Insulator Cleat - clamp type with slotted cylinder and screw eye	GREENFIELD, Edwin T.	Cleat	Greenfield & Co.
		1890
U	430,696	June 24, 1890	Insulator Cylinder with external threads to screw into crossarm	SEAMON, William H.	Cylinder
		1892
U	477,753	June 28, 1892	Insulator Clamp type	GOOLD, Frederick D'A	Clamp Type	The Edison General Electric Co.
		1893
U	495,552	April 18, 1893	Insulator Clamp type called the ""Security"" insulator. It was sold by the McLeod, Ward & Co.	HILLS, Louis	Clamp Type
U	496,081	April 25, 1893	Insulator Insulator mounted in a slot in the crossarm and secured with a hinged latching cover	WRIGHT, Joseph F.	Insulator
		1896
U	554,955	February 18, 1896	Insulator for Electric Wires Clamp type (Scientific American 3-7-1896)	RIERA, Magin	Clamp Type
		1897
U	581,088	April 20, 1897	Electric Wire Insulator Block of glass to hold wire in crossarm	SHARPE, John E.	Block
U	583,692	June 1, 1897	Insulator Clamp type with lag screw	RENAULT, Edward	Clamp Type
		1900
U	650,445	May 29, 1900	Insulator Strain type with ""Z"" shaped groove	ZERTUCHE, Emilio	Strain
		1902
U	698,097	April 22, 1902	Electrical Insulator Bushing and bracket to support conductor cable	BALL, Henry Price	Bushing	General Incandescent Light Co.
		1905
U	787,107	April 11, 1905	Telegraph or Telephone Wire Insulator Clamp type	MCDANIEL, Robert J. GRAVES, Salathiel V.	Clamp Type	Samuel Hudson
		1906
U	823,912	June 19, 1906	Insulator Cylindrical insulator with hole for line wire and hole for tie wire mounted in hole in crossarm and secured with cover over top of crossarm	BIELE, August	Insulator
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
		1908
U	880,971	March 3, 1908	Insulator Tie wire over top seat & through pin	CARTER, George W.	Tie Wire
U	883,227	March 31, 1908	Insulator Odd cylindrical insulator with slot of top to hold line wire and threaded exterior to screw into a hold bored in the crossarm and a set screw on top to secure the line wire	PADDEN, Edward F.	Miscellaneous
U	907,834	December 29, 1908	Insulator Slack wire holder with nail spike	MARSHALL, George B.	Slack Wire
		1909
U	942,086	December 7, 1909	Support and Insulator Complicated insulator made of two plates of glass secured in a wooden box	LINDSAY, Edward F.	Insulator
		1911
U	1,003,285	September 12, 1911	Lightning Rod Brace Lightning rod tripod to support rod with Y-clips to hold conductor insulator or conductor	MILLER, George A.	Lightning Rod
U	1,011,164	December 12, 1911	Insulator Clamp type	CORNELIUS, Samuel S.	Clamp Type
		1913
U	1,054,690	March 4, 1913	Electric Wire Supporting Device U-shaped block insulator fitted into slots in the crossarm to hold telegraph and telephone lines.	HICKS, Henry A.	Block
U	1,071,419	August 26, 1913	Insulator Self-tying miscellaneous slotted cube	HETHERINGTON, Bert	Self-tying Miscellaneous
		1914
U	1,099,374	June 9, 1914	Insulator Block in crossarm	HUNTER, Ira	Block	2/3 to Rafferty, 1/3 to Wells
		1916
U	1,176,590	March 21, 1916	Protected Insulator Two part round or ball-shaped insulator secured with a metal cover. The line wire is clamped between the two insulator parts and the metal protective cover holds the parts securely against the wire.	MOCK, John H.	Protective Shield
U	1,178,383	April 4, 1916	Insulator Self-tying cylindrical insulator with slot for line wire and bracket that fits around the insulator to hold the wire in place	CASLOW, William H.	Self-tying Miscellaneous
U	1,204,196	November 7, 1916	Adjustable Support for Insulators Pin made of two parts and loop on one end to clamp the insulator.	SCHULZ, Rudolf W.	Pin
		1917
U	1,225,460	May 8, 1917	Insulator Wall Bracket Bracket for rack knobs	MCCARTHY, James B.	Bracket	National Metal Molding Co.
U	1,233,475	July 17, 1917	Insulator Clamp type with lag screw	HUDSON, Christopher C.	Clamp Type
		1924
U	1,479,155	January 1, 1924	Insulator Support or Bracket Bracket for wireholder knobs	PEIRCE, JR., Charles L.	Bracket	1/2 to Hubbard & Co.
		1925
U	1,527,346	February 24, 1925	Flexible Insulator Wireholder with lag screw and metal bracket	BRADY, William P.	Wireholder	Brady Electric & Mfg. Co.
		1926
U	1,596,931	August 24, 1926	Insulator Slack wire cylindrical insulator and mounting clip	JOYCE, Bryan P.	Slack Wire
		1927
U	1,613,464	January 4, 1927	Reinforced Insulator Wireholder with lag screw and or U-shaped metal bracket	KYLE, William D.	Wireholder	Line Material Co.
		1928
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.
		1929
U	1,717,885	June 18, 1929	Mounting for Electric Conductors Hanger insulator made of rubber for trolley conductor	LEIPERT, August H.	Hanger	The Rubber Shock Insulator Corp.
		1930
U	1,772,184	August 5, 1930	Dead End Wire Connection Deadend insulator with insulator that fit in steel loop bracket (RACO deadend bracket)	LAVARACK, William H. B. PATTERSON, Ray	Deadend
U	1,779,501	October 28, 1930	Insulator Wireholder with lag screw	STEINMAYER, Alwin G.	Wireholder	Line Material Co.
		1931
U	1,838,319	December 29, 1931	Insulator Wireholder with lag screw	MILLER, Charles E.	Wireholder
		1933
U	1,914,437	June 20, 1933	Insulator Wireholder with lag screw	KYLE, William D.	Wireholder	Line Material Co.
		1935
U	2,024,831	December 17, 1935	Insulator Spool type wireholder and lag screw bracket	MEYER, Edwin M.	Wireholder	Porcelain Products, Inc.
		1937
U	2,099,098	November 16, 1937	Bracket for Electrical Wires Wireholder with lag screw	BINKLEY, William J.	Wireholder	James R. Kearney Corp.
		1938
U	2,139,332	December 6, 1938	Wire Holder Wireholder with lag screw	PITTMAN, Ralph R. WALSH, Carroll H.	Wireholder
		1939
U	2,174,723	October 3, 1939	Insulator Wireholder with metal loop, base & lag screw	HOCHER, Andrew A.	Wireholder	Hubbard & Co.
		1940
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
		1941
U	2,237,717	April 8, 1941	Insulator Structure Wireholder with multiple grooves and lag screw	STEWART, Lory B. STEWART, Alvin J.	Wireholder	1/3 to Karl Thielscher
U	2,248,044	July 8, 1941	Transposition Insulator Transposition insulator with channels for two line wires to cross over within the insulator	DEHMEL, Richard C.	Transposition	Bell Telephone Laboratories, Inc.
U	2,259,526	October 21, 1941	Insulator Wireholder with lag screw (see reissue 22,269 on 4-11-1944)	LEMONT, Clarence J.	Wireholder	Line Material Co.
		1942
U	2,269,409	January 6, 1942	Wire Holder Wireholder with lag screw	MCCHESNEY, JR., Samuel Waldrop	Wireholder	Porcelain Products, Inc.
U	2,286,496	June 16, 1942	Wire Holder Wireholder with lag screw	MEYER, Edwin M.	Wireholder	Porcelain Products, Inc.
		1944
R	22,469	April 11, 1944	Insulator Wireholder with lag screw (reissue of 2,259,526)	LEMONT, Clarence J.	Wireholder	Line Material Co.
		1958
U	2,843,653	July 15, 1958	Conductor Insulator Clamp Tie wire replacement using a preformed bail wire design	MIX, Chauncey C.	Tie Wire

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