Search the Insulator Patent Reference Library:

Total of 99 patents found where: Class is '174'; Subclass is '158R';

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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
		1866
U	51,935	January 9, 1866	Improvement in Insulating Telegraph Wires Paraffin and rubber insulated wire	ELY, Alfred B.	Paraffin
		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	76,358	April 7, 1868	Improvement in Electric Telegraphs Rubber in porcelain or glass shell; glazed shell; sharp drip edge; ears	VARLEY, Cromwell F.	Rubber
		1874
U	149,762	April 14, 1874	Improvement in Telegraph Insulators Cylindrical grooved insulator held horizontally by pin	LE BARON, Charles L.	Cylinder
		1875
U	161,058	March 23, 1875	Improvement in Insulating Blocks for Telegraph Lines Slotted block to hold several wires	PIDGEON, George S.	Slotted
		1883
U	280,324	June 26, 1883	Combined Insulator and Lightning arrester Combined insulator and lightning arrestor	NOBLE, John E.	Lightning Arrestor	1/6 to Charles J. Leming
		1885
U	310,931	January 20, 1885	Device for Securing Electric Wires to Poles Pin with plate flange to wrap around pole without drilling a hole	BLOOMHALL, George L.	Pin
		1888
U	378,971	March 6, 1888	Insulator Block of glass inverted & head combination secured to crossarm by wire	NEAL, Lewis M.	Block
U	386,111	July 17, 1888	Electric Wire Insulator Knobs paired to hold wire in trees	CUTLER, Henry H.	Knob
U	390,741	October 9, 1888	Insulator or Bracket Support for Electric Wires miscellaneous odd pin type with curved pinhole	ADAMS, Thomas E.	Miscellaneous
		1890
U	421,819	February 18, 1890	Insulator Blocks (2) to hold wire and pole system	DAVY, John W.	Block
		1892
U	476,604	June 7, 1892	Insulator Bracket Bracket with pin and hollow threaded head	BRADY, Thomas H.	Bracket
		1893
U	510,809	December 12, 1893	Insulator Pin Pin	LOCKE, Fred M.	Pin	1/2 to G. Paddock & W. Page
		1894
U	525,708	September 11, 1894	Bus-Bar Insulating Support Bracket support for one-wire cleats	HERRICK, Albert B.	Bracket	General Electric Co.
		1895
U	541,332	June 18, 1895	Insulator Miscellaneous 2-part insulator for barbed wire fence	PATTERSON, James M.	Miscellaneous
		1896
U	574,101	December 29, 1896	Insulator Third rail insulator	MARTIN, Charles B.	Third Rail	General Electric Co.
		1897
U	588,048	August 10, 1897	Insulator for Wires Knob with grooves and bracket	ASHBY, George	Knob
U	595,089	December 7, 1897	Third Rail Insulator Third rail insulator with metal protective covering.	ANDERSON, Albert	Third Rail	1/2 to Johan M. Anderson
		1899
U	621,661	March 21, 1899	Insulator Cleat - self-tying (pivot-mounted) (found on U-184)	HARLOE, Morton BLOES, Wilton S.	Cleat
		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.
		1901
U	678,042	July 9, 1901	Rack Insulator Cleat - rack type	SARGENT, Howard R.	Cleat	General Electric Co.
U	678,195	July 9, 1901	Third Rail Insulator Third rail insulator with iron mounting bracket and cap to support the rail	POTTER, William B.	Third Rail	General Electric Co.
U	679,544	July 30, 1901	Insulator for Electric Wires Self-tying miscellaneous	SHARPE, John E.	Self-tying Miscellaneous	1/2 to Newton Bartle
U	682,709	September 17, 1901	Insulator Knob to support underground conduit electric railways	JENKINS, Wilton F.	Knob
		1902
U	700,570	May 20, 1902	Insulator Supporting Arm Pin assembly for crossarm	SHARPE, John E.	Pin	1/2 to Newton Bartle
U	717,389	December 30, 1902	Third Rail Insulator Third rail insulator mounted on pedestal with metal cap to secure the rail.	GONZENBACH, Ernest	Third Rail
		1904
U	758,175	April 26, 1904	Insulator CD 1038 tree hanger	CUTTER, Scott C.	Insulator
U	764,384	July 5, 1904	Insulating Support for Electric Third Rails Third rail insulator that screws into metal support ahd has a threaded hole in top to receive the metal rail support.	SLATER, Frederick R.	Third Rail	Bleecker S. Barnard
U	775,592	November 22, 1904	Insulating Support for Electric Third Rails Third rail with two bolts to secure it to the support and a metal cap to secure the rail.	BARARD, Walter Hubbard	Third Rail
U	775,812	November 22, 1904	Insulator Support Pin design made from sheet metal with partial threads on one side	FAIRBANKS, Ernest Hayward	Pin
		1905
U	796,501	August 8, 1905	Conductor Rail Holder for Electric Railways Third rail insulator and metal clips and rail holder	COURTENAY, George L.	Third Rail
		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	823,461	June 12, 1906	Insulator Pin Pin (metal) made of wire loops and sliding grooved, ribbed bar for threads	BULLARD, James H.	Pin
U	838,482	December 11, 1906	Insulator for Line Conductors Insulator formed with recesses for pipe pin and metal insert crown	WEED, James Murray	Insulator
		1907
U	842,941	February 5, 1907	Insulator Multipart insulator with groove on one side and bracing pin to hold against the strain of the line wire	CLARK, Walter G.	Multipart
U	843,844	February 12, 1907	Third Rail Insulator Third rail insulator	REDMAYNE, Robert Norman	Third Rail
U	874,445	December 24, 1907	Insulator Cleat - self-tying	SHEARS, Albert L.	Cleat
		1908
U	890,891	June 16, 1908	Insulator Pin Bracket to hold two insulators vertically	DORFF, Conrad J.	Bracket	Fredric Greer
U	891,955	June 30, 1908	Insulator Self-tying insulator attached to top of crossarm consisting of a plate with two knobs to wrap the line wire around	SANDLIN, William C.	Self-tying Miscellaneous	1/3 to Arthur Moulton and 1/3 to C. W. Savage
U	904,592	November 24, 1908	Electrical Conductor Support Multipart insulator attached on top to a bracket and has hook pin screwed in pinhole to hang line wire below	ALLEN, John Scott	Multipart
		1909
U	917,501	April 6, 1909	Third Rail Insulator Electrose third rail insulator.	STEINBERGER, Louis	Third Rail
U	928,709	July 20, 1909	Insulator for Third Rails Third rail insulator made of Electrose	STEINBERGER, Louis	Third Rail
U	932,523	August 31, 1909	Insulator for Third Rails Third rail insulator.	WEAVER, Eugene M.	Third Rail
		1910
U	947,094	January 18, 1910	Insulator Clamp type	BURTON, Edward	Clamp Type
U	947,516	January 25, 1910	Insulator miscellaneous horizontal insulator with conductor supported on periphery of crown	GODDARD, Walter T.	Miscellaneous	Locke Insulator Mfg. Co.
		1911
U	989,231	April 11, 1911	Insulator Support Knob bracket	CHAMBERLAIN, Wilbur L.	Knob
U	1,007,138	October 31, 1911	Insulator Bracket Bracket (various styles) using spring for threads (see 856,488 and 856,801)	PEIRCE, JR., Charles L.	Bracket	Hubbard & Co.
		1912
U	1,020,880	March 19, 1912	Insulator Self-tying screw top	BOURKE, Alexander M.	Self-tying Screw Top
U	1,048,706	December 31, 1912	Bracket for Current Conducting Wires Side pin with notch cut out to allow a splice to pull through before mounting wire on the glass insulators	KLEINHESSELINK, Arie	Pin
		1913
U	1,065,983	July 1, 1913	Insulator Pin (metal) formed from sheet metal	STOCKWELL, Millard E.	Pin
		1914
U	1,122,326	December 29, 1914	High Potential Insulator Multipart insulator made of Electrose	STEINBERGER, Louis	Multipart
		1916
U	1,171,126	February 8, 1916	Insulator Pin Pin, sheet metal formed cone and threads	LINDHOLM, John G. S. LINDHOLM, Anders P.	Pin	Anders P. Lindholm
U	1,176,137	March 21, 1916	Insulator Bracket Bracket, metal with detachable pins	ETTE, Charles G.	Bracket	St. Louis Malleable Casting Co.
U	1,194,690	August 15, 1916	Telephone and Telegraph Pole Construction Bracket and pin supports made of metal and attached to crossarm whereby the pins slide on the bracket for adjustment of position	ADAMS, Harry E.	Pin/bracket
U	1,197,660	September 12, 1916	Insulator Support Bracket, sheet metal stamped in U-bracket with attached threads	PEIRCE, JR., Charles L.	Bracket	1/2 to Hubbard & Co.
U	1,206,160	November 28, 1916	High Potential Insulator Electrose modified pin type	STEINBERGER, Louis	Electrose
		1917
U	1,217,032	February 20, 1917	Insulator for Electric Wires Self-tying twist lock type	LYON, Cody	Self-tying Twist
U	1,225,460	May 8, 1917	Insulator Wall Bracket Bracket for rack knobs	MCCARTHY, James B.	Bracket	National Metal Molding Co.
		1919
U	1,311,067	July 22, 1919	Insulator Multipart similar to Faradoid patent 1,374,998 (see reissue 14,888 on 6-22-1920)	GODDARD, Walter T.	Multipart
U	1,315,998	September 16, 1919	Insulator Support Thimble Thimble with standard external threads pressed out of sheet metal and attached to a steel pin	SOUTHGATE, George T.	Thimble
		1920
R	14,888	June 22, 1920	Insulator Multipart design similar to Faradoid 1,374,998 (reissue of 1,311,067)	GODDARD, Walter T.	Multipart	Locke Insulator Mfg. Co.
U	1,361,948	December 14, 1920	Insulator Pin with spring wire extending beyond edge of bottom pin hole	WIDMYER, James L.	Pin
		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
		1923
U	1,454,634	May 8, 1923	Insulator Suspension or multipart attachment using wire lacing	GODDARD, Walter T.	Suspension	Locke Insulator Corp.
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
		1925
U	1,538,428	May 19, 1925	Pole Line Insulator Self-tying odd insulator screwed into cut-out in top of crossarm	EMMONS, Albert F.	Self-tying Miscellaneous
		1926
U	1,575,484	March 2, 1926	Insulator Bracket Bracket with lag screw for wireholder knob	HOENIG, Harry E.	Bracket
		1927
U	1,621,246	March 15, 1927	Insulator High tension insulator made of parts with metal plates bolted to upper and lower surface or suspension disks bolted together	GODDARD, Walter T.	Multipart	Locke Insulator Corp.
U	1,625,601	April 19, 1927	Insulator Suspension insulator made of multiple sections that are clamped together in the field	GODDARD, Walter T.	Suspension	Locke Insulator Corp.
U	1,628,241	May 10, 1927	Insulator Post type insulator composed of multiple parts	GODDARD, Walter T.	Post Type	Locke Insulator Corp.
		1929
U	1,706,237	March 19, 1929	Secondary Rack Wireholder with hole near the bottom for attaching to a metal rack and hole near the top for securing the drop wire.	KYLE, William D.	Wireholder	Line Material Co.
U	1,718,259	June 25, 1929	Insulator Cleat - self-tying	SCOTT, Arthur C. RUPE, William G.	Cleat
U	1,721,657	July 23, 1929	Insulator Tree insulator (porcelain) improved with ribs - strengthening (see 1,620,804)	CUTTER, Scott C.	Tree
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.
U	1,730,171	October 1, 1929	Insulator Design with metal pin and metal projections to prevent arc-over	SMITH, Harold B.	Suspension	Westinghouse Electric & Mfg. Co.
U	1,740,641	December 24, 1929	Pole Top Pin for Multiple Construction Steel bracket for pole top that supports insulator pin on side of pole when conductor is under stress	AUSTIN, Arthur O.	Bracket	The Ohio Brass Co.
		1930
U	1,744,674	January 21, 1930	Insulator Pin Pin that holds insulator at an angle against strain on turns in the conductor	PORTER, Edward Y.	Pin
U	1,749,915	March 11, 1930	Insulator Rack Wireholder mounted on a rack	KYLE, William D.	Wireholder	Line Material Co.
U	1,755,032	April 15, 1930	Insulator Post insulator made up of Hewlett disks	SLEEMAN, Harold P.	Post Type	The R. Thomas & Sons Co.
U	1,755,971	April 22, 1930	Insulator Neon, knob to support wires for neon sign (""spook"" insulator)	SMALLEY, Robert C.	Neon	Claud Neon Lights, Inc.
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.
		1933
U	1,911,558	May 30, 1933	Insulator Pin Steel pin with threads made of a spring coil	DRIGGS, Lorenzo J.	Pin	Frank F. Winters
		1934
U	1,950,646	March 13, 1934	Insulator Iron cap cemented on the top of an insulator for switch connection	AUSTIN, Arthur O.	Cap	The Ohio Brass Co.
U	1,952,517	March 27, 1934	Insulator Post type insulator with metal brackets bolted on with U-bolt to stack insulators or attach equipment	STINSON, William L. STROUP, Charles L.	Post Type	Jeffery-Dewitt Insulator Co.
U	1,984,245	December 11, 1934	Insulator Support for Power Rails Third rail insulator with interlocking pin and pinhole and side grooves to secure the rail on top	BANKS, William C.	Third Rail
		1935
U	1,992,284	February 26, 1935	Bracket Insulator Bracket for split insulator wireholder	BANKS, William C.	Wireholder
U	2,022,386	November 26, 1935	Conductor Support Little bracket with insulator crown to hold low voltage wire attached to a wood pole (see 2,198,839)	PITTMAN, Ralph R.	Miscellaneous
		1937
U	2,082,507	June 1, 1937	Pole for Pin Pole top pin with hook to support wire during stringing	PITTMAN, Ralph R.	Pin
		1940
U	2,198,839	April 30, 1940	Conductor Support Little bracket with insulator crown to hold low voltage wire attached to a wood pole (see 2,022,386)	PITTMAN, Ralph R. WALSH, Carroll H.	Miscellaneous
		1942
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
		1943
U	2,309,971	February 2, 1943	Drop Wire Support Drop wire supporting clip	MCLARN, Ernest S.	Drop Wire Support	International Standard Electric Corp.
		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.
		1952
U	2,592,031	April 8, 1952	Supporting Structure for Insulators Pin and bracket made in one piece for easy attachment to crossarm	HARDING, Donald D.	Bracket/pin
		1953
U	2,634,313	April 7, 1953	Line Wire Transposition Bracket Transposition bracket pressed out of a square of steel to hold four insulators	RIDGERS, Frederick G.	Transposition	N. Slater Co. LTD
		1967
U	3,329,767	July 4, 1967	Insulator Mounting Bracket A cantilever mounting bracket for supporting line post insulators horizontally	LINDSEY, L. E. SAMMONS, Herbert F.	Bracket	L. E. Lindsey
		1969
U	3,474,995	October 28, 1969	Utility Pole Insulator Bracket Extension Metal bracket or extension to support insulators, fuses, etc. when no crossarms are present.	AMIDON, Joseph C. QUAYLE, Jackson C.	Miscellaneous
		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.
		1985
U	4,529,838	July 16, 1985	Support Bracket for Electrical Insulator Bracket for mounting on side of pole made of a rod of insulating material with pin bracket on one end.	HALL, Gaddis G.	Bracket

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