Search the Insulator Patent Reference Library:

Total of 71 patents found where: Class is '174'; Subclass is '149R';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1865
U	48,906	July 25, 1865	Improvement in Insulators for Telegraph Wires Threads formed internally for screw pin (see reissue 3,847 on 2-22-1870)	CAUVET, Louis A.	Thread
		1870
R	3,847	February 22, 1870	Improvement in Insulators Threads formed internally for screw pin (reissue of 48,906)	CAUVET, Louis A.	Thread
		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	295,073	March 11, 1884	Telegraph Wire Supporter Split insulator that fits around conductor and connected to adjacent split insulator with tie-wire	STONE, Ross C.	Miscellaneous
U	304,699	September 9, 1884	Insulating Device Bracket of cast metal for pole tops with three pins	BROOMHALL, George L.	Bracket
U	307,025	October 21, 1884	Electric Wire Supporter Circular configuration of knobs to hold multiple conductors	DRAPER, Oscar Mann	Knob	Himself, Albert Scranton Weaver, and Oscar N Bender
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
		1885
U	328,929	October 27, 1885	Electric Wire Insulator and Supporter Wooden self-tying cleat	FAWCETT, William N. HUNTLEY, George F.	Wood
		1891
U	463,588	November 17, 1891	Insulator Bracket Bracket	THOMAS, Van A.	Bracket	1/2 to Andrew D. Ross
		1893
U	489,861	January 10, 1893	Bracket for Electric Light Wires Bracket for supporting insulators.	BENNETT, George H.	Bracket
U	491,362	February 7, 1893	Insulator Clamp type using two blocks	LANE, Augustus R.	Clamp Type
U	503,778	August 22, 1893	Insulator for Electric Wires Clamp type cylindrical 2 piece	TRIMBLE, William D.	Clamp Type
		1895
U	539,123	May 14, 1895	Cross Arm for Carrying Electrical Wires Angle iron crossarm with wood support for insulator pins	ECKERT, Thomas T.	Crossarm
U	547,660	October 8, 1895	Insulator Pin and Insulator Pin through crossarm for insulator top & bottom of crossarm	CARROLL, Charles F.	Pin	1/2 to Thomas Scott
		1896
U	573,966	December 29, 1896	Insulator Hanger Bracket for knobs	DUNCAN, Robert	Bracket
		1897
U	581,088	April 20, 1897	Electric Wire Insulator Block of glass to hold wire in crossarm	SHARPE, John E.	Block
		1898
U	600,397	March 8, 1898	Arm for Telegraph Poles Crossarm for multiple pins	ANDERSON, Lee	Crossarm	1/2 to Wallace B. Howard and Alex Staggs
		1901
U	666,586	January 22, 1901	Insulator Insulator & crossarm (glass) reinforced with embedded metal wires	WOOLBERT, Henry W.	Insulator
U	678,042	July 9, 1901	Rack Insulator Cleat - rack type	SARGENT, Howard R.	Cleat	General Electric Co.
		1905
U	806,769	December 12, 1905	Adjustable Support for Telegraph Line Wires Split cylinder of wood insulator for spacing line wires with external spiral grooves for receiving spiral of wire to hold the halves together and attach to insulator on adjacent wires	BELL, Jasper N.	Wood
		1906
U	809,743	January 9, 1906	Crossarm for Carrying High-Tension Wires Crossarm and insulators made of glass or other insulating material	PETERY, Evan E. P.	Crossarm	1/2 to Samuel Bowsher
U	838,537	December 18, 1906	Cross Arm for Electrical Construction Steel crossarm with threaded pins on top and threaded holes underneath for hooks	HAMILTON, Evlyn S.	Crossarm
		1907
U	873,456	December 10, 1907	Wire-Carrying Cross Arm and Insulator Therefor Odd system using a split crossarm, split insulators fitted into notches in crossarm where top half of crossarm holds the insulators in place	OTTINGER, Edwin C.	Miscellaneous	Jennie E. Ottinger, Walter S. Ottinger, Sr., Samuel H. Bair
		1908
U	890,891	June 16, 1908	Insulator Pin Bracket to hold two insulators vertically	DORFF, Conrad J.	Bracket	Fredric Greer
U	902,455	October 27, 1908	Transposition Bracket for Insulators Transposition bracket	SKINNER, James E.	Transposition
		1909
U	926,906	July 6, 1909	Distributing Insulator Bracket Bracket with spools for tying off drop lines	STADERMANN, Albert L.	Bracket
		1911
U	989,231	April 11, 1911	Insulator Support Knob bracket	CHAMBERLAIN, Wilbur L.	Knob
		1912
U	1,027,708	May 28, 1912	Metallic Crossarm for Poles Metal crossarm with metal pins	ETTE, Charles G.	Pin	Ette Investment Co.
U	1,027,709	May 28, 1912	Pole Cross Arm Metal crossarm with metal pins	ETTE, Charles G.	Pin	Ette Investment Co.
U	1,029,207	June 11, 1912	Insulator Support Crossarm composed of reinforced concrete	MEGAHAN, Oliver P.	Crossarm
U	1,030,574	June 25, 1912	Insulator Supporting Device Bracket (metal) that slides along crossarm for insulator above and below crossarm	ETTE, Charles G.	Bracket	Ette Investment Co.
		1915
U	1,147,757	July 27, 1915	Insulator Supporting Structure Bracket for 3-phase circuit using multipart insulator oriented in shape of >	SEYLER, Carl P.	Bracket
U	1,149,282	August 10, 1915	Insulator Supporting Fixture Bracket (various styles) made by bending pipe	PEIRCE, JR., Charles L.	Bracket
U	1,157,036	October 19, 1915	Insulator Supporting Fixture Bracket for holding spool insulator vertically and supported with a rod	PEIRCE, JR., Charles L.	Bracket	1/2 to Hubbard & Co.
		1916
U	1,167,042	January 4, 1916	Insulator Support Bracket for large multipart porcelain insulators	BOOZER, Ralph C.	Bracket	Joslyn Mfg. & Supply Co.
U	1,169,545	January 25, 1916	Insulator Bracket Bracket attached to pole or wall	KOBERT, Frank P.	Bracket
U	1,175,078	March 14, 1916	Insulator Supporting Fixture Bracket, metal pipe to support three insulators at top of pole	PEIRCE, JR., Charles L.	Bracket
U	1,176,137	March 21, 1916	Insulator Bracket Bracket, metal with detachable pins	ETTE, Charles G.	Bracket	St. Louis Malleable Casting Co.
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	1,199,972	October 3, 1916	Pole-Arm A metal crossarm that can be bolted to a wooden pole	ETTE, Charles G.	Crossarm	St. Louis Malleable Casting Co.
		1917
U	1,212,673	January 16, 1917	Insulator Supporting Bracket Bracket, sheet metal U-shaped to fit over crossarm and threads made of a spring to secure insulator	PEIRCE, JR., Charles L.	Bracket	1/2 to Hubbard & Co.
U	1,215,883	February 13, 1917	Crosstree for Telegraph Poles Large blocks of wood securing in between the blocks halves of a stone or porcelain insulator mounted on a crossarm to secure the wire	SIMPSON, John Stewart	Insulator
		1918
U	1,257,769	February 26, 1918	Telephone Pole Cross Arm Crossarm made of U-shaped metal channel iron fitted with knob insulators bolted to the crossarm. A lower crossarm is then bolted on its ends to the upper crossarm.	VINCELL, Lafayette M.	Crossarm
U	1,268,972	June 11, 1918	Insulator Support Bracket support for spool insulator	HENDEE, Lem E.	Bracket
		1919
U	1,315,633	September 9, 1919	Insulator Support Bracket for knobs	MCFEATERS, George H.	Bracket
		1920
U	1,339,391	May 11, 1920	Support for Line Conductors Bracket with insulator attached to eye formed in the bracket allowing the insulator to swing freely.	HENDEE, Lem E.
		1921
U	1,381,838	June 14, 1921	Insulator Support Steel pins for crossarm made from one metal rod integral to the wooden crossarm and acts a braces for the crossarm.	JACKSON, Berry B.	Pin
		1924
U	1,500,626	July 8, 1924	Supporting Insulator Bracket for wireholder knobs and knob with lag screw	KYLE, William D.	Bracket
U	1,504,859	August 12, 1924	Adjustable Secondary Rack An adjustable wireholder rack bracket whick allows the spool insulators to be adjusted up or down.	BRADY, William P.	Bracket
		1926
U	1,575,484	March 2, 1926	Insulator Bracket Bracket with lag screw for wireholder knob	HOENIG, Harry E.	Bracket
U	1,611,464	December 21, 1926	Insulator Support Fixture Bracket for rack spool wireholders	LEMONT, Clarence J.	Bracket	Line Material Co.
		1928
U	1,696,491	December 25, 1928	Insulator Rack Simply constructed secondary rack without the base and other parts. Just composed of rods to hold the spool insulators and fastening bracket.	KYLE, William D.	Bracket/secondary Rack	Line Material Co.
		1929
U	1,712,860	May 14, 1929	Transposition Pin Pin (metal) through crossarm for transposition	WEIMAR, Robert	Pin
		1930
U	1,749,915	March 11, 1930	Insulator Rack Wireholder mounted on a rack	KYLE, William D.	Wireholder	Line Material Co.
U	1,779,489	October 28, 1930	Method of Making Secondary Racks Method of making secondary rack brackets (see 1,883,818)	PEIRCE, JR., Charles L.	Manufacturing	1/2 to Hubbard & Co.
		1931
U	1,799,470	April 7, 1931	Secondary Rack Simply constructed secondary rack without the base and other parts. Just composed of rods to hold the spool insulators and fastening bracket.	KYLE, William D.	Bracket/secondary Rack	Line Material Co.
U	1,821,221	September 1, 1931	Insulator and Terminal 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 1,821,222; 1,877,903; 1,914,436)	KYLE, William D.	Bracket/secondary Rack	Line Material Co.
U	1,837,259	December 22, 1931	Hanger for Cables and the Like 2-part spool cable hanger held together with a metal bracket	FITZPATRICK, Ray	Hanger
		1932
U	1,840,362	January 12, 1932	Transposition Bracket for Insulators Bracket for transposition	HUNTER, Russell N. STOVER, Herbert F.	Bracket	American Telephone & Telegraph Co.
U	1,883,671	October 18, 1932	Insulator Bracket and Support Bracket for rack spools with a plurality of spools for mounting on a building	FORT, Louis	Bracket
		1933
U	1,912,456	June 6, 1933	Transposition Bracket Bracket for transposition	KLEIN, Charles H.	Bracket	Bell Telephone Laboratories, Inc.
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.
		1935
R	19,473	February 19, 1935	Bracket Bracket for poles for several rack spool wireholders (see 1,839,594)	RICK, Karl L.	Bracket	Joslyn Mfg. & Supply Co.
		1938
U	2,112,370	March 29, 1938	Wire Spacing Bracket Bracket attached to crossarms to provide proper space between carrier conductors	KLEIN, Charles H.	Bracket	Bell Telephone Laboratories, Inc.
		1939
U	2,163,954	June 27, 1939	Electric Fence Electric fence insulator with bail wire to hold the wire in place.	LUCAS, John A.	Electric Fence	Prime Manufacturing Co.
		1942
U	2,287,895	June 30, 1942	Secondary Rack Construction Secondary wireholder for rack spools to be mounted on the end of a crossarm	MACKINNON, Russell H.	Wireholder	1/2 to Eugene C. Black
U	2,300,674	November 3, 1942	Secondary Rack Bracket for wireholders or rack spools. Each insulator bracket is easily connected or attached to the supporting bracket.	JOHNS, George McDonald RICHARD, Thomas T.	Bracket/wireholder	Smith-Johns Inc.
U	2,302,883	November 24, 1942	Method of Stringing and Sagging Wires and Apparatus for Use Therein Bracket for wireholders or rack spools that allow the spool insulator to swivel out away from the bracket for easily working on the line wire and insulator (see 2,519,694)	OLIVIER, Leon J.	Bracket
U	2,305,069	December 15, 1942	Means of Attaching Service Wires Circular bracket that fits under an insulator or rack spool with holes to allow easy dropping of wires connected to the line	EMGE, Paul W.	Bracket
		1948
U	2,454,677	November 23, 1948	Secondary Rack Strong secondary rack bracket that is shorter yet easily bolted in place.	SMALLEY, Burt M.	Bracket/secondary Rack	Joslyn Mfg and Supply Co.
		1950
U	2,519,694	August 22, 1950	Insulator Supporting Bracket Bracket for wireholders or rack spools that allow the spool insulator to swivel out away from the bracket for easily working on the line wire and insulator (see 2,302,883)	OLIVIER, Leon J.	Bracket

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