Search the Insulator Patent Reference Library:

Total of 73 patents found where: Class is '174'; Subclass is '161R';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1886
U	336,828	February 23, 1886	Insulator Hanger for lamp	TRAVIS, Charles L.	Hanger
		1888
U	390,741	October 9, 1888	Insulator or Bracket Support for Electric Wires miscellaneous odd pin type with curved pinhole	ADAMS, Thomas E.	Miscellaneous
		1889
U	403,491	May 14, 1889	Insulating Device for Line Wires Tree hanger split octagon shaped forestry insulator referred to as the Victor	SMITH, Thomas J.	Tree	The E. S. Greeley & Co.
U	415,504	November 19, 1889	Insulator Insulator with internal spring to hold tension on the wire	FOWLER, George	Spring
		1890
U	418,766	January 7, 1890	Support for Electric Conductors Brodie tree insulator with large lag screw and adjustable position.	SMITH, Joseph Brodie	Tree
		1891
U	444,879	January 20, 1891	Insulator Tree hanger	ELKINS, Charles	Tree
U	459,843	September 22, 1891	Insulator Hanger knob	THOMAS, Van A.	Hanger	1/2 to Andrew Ross
		1892
U	481,132	August 16, 1892	Insulator Device and insulator for suspending wires using one or more insulators encased in a metal sphere with wire suspended by means of a bolt or hook set in the center of the two halves of the spherical insulator (see 286,681)	BOWEN, William J.	Insulator	William Hubbard
		1893
U	492,394	February 28, 1893	Insulator Bracket Bracket, adjustable angle with spring end for threads	EICHBERG, William N.	Bracket
		1894
U	517,634	April 3, 1894	Pin for Insulators Pin for use with oil cup, CD 244 (see 524,659)	WINSLOW, George H.	Insulator
		1897
U	586,700	July 20, 1897	Electric Line Insulator Bracket for insulator on moveable (adjustable angle) base	TRACY, John J.	Bracket
		1898
U	605,741	June 14, 1898	Strain Insulator Strain, adjustable insulator of composition & iron (Brown p. 30)	MCCARTHY, Louis	Strain
		1899
U	621,661	March 21, 1899	Insulator Cleat - self-tying (pivot-mounted) (found on U-184)	HARLOE, Morton BLOES, Wilton S.	Cleat
U	626,065	May 30, 1899	Insulator Tree hanger	HOLMES, Welles E.	Tree
		1901
U	669,691	March 12, 1901	Insulator for Electric Wires Two-piece self-tying insulator (found on U-184)	HARLOE, Morton	Self-tying Miscellaneous	1/2 to Wilton S. Bloes
U	682,709	September 17, 1901	Insulator Knob to support underground conduit electric railways	JENKINS, Wilton F.	Knob
		1904
U	760,620	May 24, 1904	Insulator Bracket Bracket with lag screw to mount a glass insulator	GRANT, Francis Jones	Bracket
		1905
U	802,096	October 17, 1905	Tree Insulator Tree hanger	DUNTON, Charles W.	Tree	1/2 to Frank Field
		1907
U	865,473	September 10, 1907	Break Arm for Electric Wiring Adjustable steel bracket for pintype insulators for crossarms, buildings, etc.	ARTHUR, Walter A.	Bracket
U	873,700	December 10, 1907	Rotating Bracket for the Suspension of Electric Wires Steel pin that will swing horizontally when line wire is brushed by movement of tree limbs	BUCKBEE, Charles E.	Pin
		1908
U	887,996	May 19, 1908	Combined Insulator and Lamp Hanger Hanger for lamp	BURGE, James M.	Hanger
U	905,141	December 1, 1908	Insulator Strain similar to CD 1130, CD 1131, CD 1138, CD 1140, CD 1142 but with intersecting grooves	BOGUE, Lawrence L.	Insulator
		1909
U	915,330	March 16, 1909	Insulator and Wire Clamp Self-tying twist lock type	BLACKBURN, Jasper	Self-tying Twist
U	930,527	August 10, 1909	Automatically Adjustable Strain Insulator House Fixture Wireholder for strain service and attached to a house for a drop wire	BURGE, Charles S.	Wireholder
		1910
U	947,274	January 25, 1910	Suspension Device for Insulators Suspension with ball and socket coupling	AUSTIN, Arthur O.	Suspension	The Akron Hi-Potential Porcelain Co.
U	949,604	February 15, 1910	System of Insulation Thimble shaped suspension insulator separated by tubular insulator	STEINBERGER, Louis	Thimble
U	973,409	October 18, 1910	Insulated Hanger Tree hanger comprised of cylinder with center groove	CRABBE, Edward	Tree
U	979,840	December 27, 1910	Insulator Base Insulator base to support a high voltage insulator on a building roof to allow the conductor to enter the roof	GODDARD, Walter T.	Insulator Base	Locke Insulator Mfg. Co.
		1911
U	989,231	April 11, 1911	Insulator Support Knob bracket	CHAMBERLAIN, Wilbur L.	Knob
U	1,010,077	November 28, 1911	Strain Insulator Wood strain insulator with metal caps and eyelet on one end	SCHAAKE, William	Strain	Westinghouse Electric & Mfg. Co.
U	1,010,920	December 5, 1911	High Tension Insulator Suspension cap and pin design using simple locking pin	KENNEY, Benjamin D.	Suspension	The R. Thomas & Sons Co.
		1913
U	1,075,217	October 7, 1913	High Voltage Insulator Suspension, cap design to allow easy connection using a spring-loaded clip	MAXWELL, Marshall P.	Suspension
		1916
U	1,177,354	March 28, 1916	Line Insulator Suspension interconnecting linking device	RANSOM, Daniel Parke	Suspension
U	1,182,191	May 9, 1916	Support for Insulators Bracket, metal with spring to relieve horizontal strain	MALLOY, John W. GILMAN, John	Bracket
		1917
U	1,230,521	June 19, 1917	Bracket Tree insulator similar to the Cutter CD 1038 except with diagonal slot to secure wire, two holes for nails and two holes for tying to tree limbs	ROSS, George	Insulator
U	1,248,498	December 4, 1917	Suspension Device for Insulators Suspension pin to link disks	JACKSON, Ray P. SCHAAKE, William	Suspension	Westinghouse Electric & Mfg. Co.
		1918
U	1,258,802	March 12, 1918	Insulator Support Tree type - swinging type with bracket and roller on pin type insulator	MORGAN, Andrew J.	Tree
U	1,271,596	July 9, 1918	Insulator Support Bracket for knobs	MAYER, Walter S.	Bracket	Electric Service Supplies Co.
U	1,274,555	August 6, 1918	Choke Coil Mounting Secure mounting of a choke coil on top of two multipart insulators fitted with metal brackets clamped to the crown (see 1,574,964 and 1,663,007)	JACOBS, Ernest H.	Choke Coil	Electrical Engineers Equipment Co.
U	1,282,876	October 29, 1918	Line Conductor Support Tree hanger with spool and lag screw	KYLE, William D.	Tree
U	1,286,010	November 26, 1918	Suspension Device Suspension pin to link disks	JACKSON, Ray P.	Suspension	Westinghouse Electric & Mfg. Co.
		1919
U	1,305,712	June 3, 1919	Insulator Cap Suspension cap to receive hook with pin to fin in cap	GODDARD, Walter T.	Suspension
U	1,315,633	September 9, 1919	Insulator Support Bracket for knobs	MCFEATERS, George H.	Bracket
U	1,324,559	December 9, 1919	Insulating Support Suspension cap and pin to improve strength of connection	LANYON, Samuel H.	Suspension
U	1,326,307	December 30, 1919	Method of and Means for Supporting Electric Conductors Rod type insulators used as suspension insulators for high voltage conductors.	THOMAS, Percy H.	Suspension
		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.
U	1,362,221	December 14, 1920	Compensating Wire Support Metal bracket composed of two curved angle supports for three insulators to yield and absorb the strain and weight of telephone and telegraph lines	BLACKMORE, Charles C.	Bracket
		1924
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	1,595,653	August 10, 1926	Tree Insulator Tree hanger - self-tying twist lock with lag screw	GAMMON, Thomas E. AVERILL, Henry D.	Tree	1/2 to Line Material Co.
U	1,608,029	November 23, 1926	Insulator Suspension insulator	LOCKE, Fred M.	Suspension
		1927
U	1,650,034	November 22, 1927	Insulator Suspension with slotted metal cap for pin linkage	OSBORNE, David H.	Suspension	Locke Insulator Corp.
U	1,654,047	December 27, 1927	Strain Insulator Strain insulator with steel covering whereby the porcelain insulator is in compression	LAPP, John S.	Strain	Lapp Insulator Co.
		1929
U	1,710,880	April 30, 1929	Insulator Stack Pedestal type stackable insulators with metal flanges that can be easily adjusted	LAPP, John S.	Pedestal	Lapp Insulator Co., Inc.
U	1,712,900	May 14, 1929	Method of Making Forged Insulator Caps Method to manufacture steel cap for suspension disks	OSBORNE, David H.	Manufacturing	Locke Insulator Corp.
U	1,738,188	December 3, 1929	Insulating Support Suspension cap, pin and connector	LANYON, Samuel Herbert	Suspension	Lapp Insulator Co.
		1931
U	1,819,380	August 18, 1931	Insulator Connection Suspension insulator cap and pin that can be locked in securely	OSBORNE, David H.	Suspension	Locke Insulator Corp.
		1932
U	1,882,486	October 11, 1932	Insulator Tree hanger grips the wire like a hand	COLE, William H.	Tree
U	1,891,708	December 20, 1932	Insulator Cotter and Mode of Use Suspension insulator cap and cotter pin permanent assembled that cannot be removed except with a special device	GALLOWAY, Howard L.	Suspension	Locke Insulator Corp.
		1933
U	1,892,798	January 3, 1933	Cable Rider Cable support tray (specimens are not uncommon to find)	ELMER, William B. AVILA, Charles F.	Miscellaneous	Charles B. Elmer
U	1,910,333	May 23, 1933	Insulator Connection Suspension with special cotter pin to prevent cap and pin from coming disconnected	HAWLEY, Kent A.	Suspension	Locke Insulator Corp.
		1934
U	1,954,592	April 10, 1934	Wire Support Wireholder	KLINGEL, Edward L.	Wireholder
U	1,961,434	June 5, 1934	Adjustable Insulator Bracket Odd bracket for two spools to hold line wire at varying angles when mounted in a tree with a lag screw	SMEAD, Donald G.	Bracket
		1935
U	1,994,266	March 12, 1935	Insulator Suspension cap design to allow for expansion of the cap without breaking off the insulator head	AUSTIN, Arthur O.	Suspension	The Ohio Brass Co.
		1936
U	2,050,510	August 11, 1936	Cable Saddle Cable rack insulator for supporting heavy cables by simply laying the cable in the rack insulator.	THOMS, Alexander P. KELLER, Carl A.	Cable Rack
		1938
U	2,139,332	December 6, 1938	Wire Holder Wireholder with lag screw	PITTMAN, Ralph R. WALSH, Carroll H.	Wireholder
		1942
U	2,296,679	September 22, 1942	Service Drop Insulator Service drop bracket and insulator to tie-off multiple service lines from one main conductor	MACK, Edward A.	Service Drop	Line Material Co.
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
		1951
U	2,571,495	October 16, 1951	Adjustable Insulator Bracket Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.	STEINMAYER, Alwin G.	Wireholder/bracket/rack Spool	McGraw Electric Co.
		1952
U	2,623,094	December 23, 1952	Resiliently Mounted Spool Type Insulator Rubber bushing for mounting Case type & rack type spool insulators	MARKLEY, William F.	Rubber	Western Union Telegraph Co.
		1953
U	2,625,581	January 13, 1953	Guy Insulator Heavy duty guy strain insulator	JENNER, Ralph L. FIERO, Carl D.	Strain	Lapp Insulator Co., Inc.
U	2,650,263	August 25, 1953	Bracket Construction Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.	STEINMAYER, Alwin G.	Wireholder/bracket/rack Spool	McGraw Electric Co.
		1956
U	2,740,827	April 3, 1956	Insulator Bracket Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.	SMALLEY, Burton M.	Wireholder/bracket/rack Spool	Joslyn Mfg. & Supply Co.

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