Search the Insulator Patent Reference Library:

Total of 88 patents found where: Class is '174'; Subclass is '166R';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1874
U	149,763	April 14, 1874	Improvement in Telegraph Insulators Slotted block to hold wire held to pole with unique pin	LE BARON, Charles L.	Slotted
		1879
U	216,138	June 3, 1879	Improvement in Telegraph Insulators Insulator suspended under crossarm by screw to hold wireholder	BLOOMFIELD, John H.	Insulator
		1883
U	272,069	February 13, 1883	Insulator for Electric Conductors Knob made of two parts to hold wire (see Dario's 1886 catalog of The Electrical Supply Co.)	MACE, Theodore	Knob
U	286,801	October 16, 1883	Insulator CD 109, CD 135, diamond shaped wire groove	FISKE, Bradley MOTT, Samuel	Insulator
		1885
U	324,692	August 18, 1885	Insulator for Securing Telegraph and other Wires Cleat	HILL, George W.	Cleat
U	328,929	October 27, 1885	Electric Wire Insulator and Supporter Wooden self-tying cleat	FAWCETT, William N. HUNTLEY, George F.	Wood
		1887
U	359,812	March 22, 1887	Insulator for Supporting and Holding Electric Wires Cleat type for holding house wiring	PENNIE, Henry	Cleat	1/2 to Louis Schleip
U	360,354	March 29, 1887	Insulator Acoustic insulator to reduce vibration of telephone wires in acoustic or mechanical telephones	LOCKE, Willie F.	Acoustic	1/2 to John E. Robertson
		1891
U	444,317	January 6, 1891	Electric Wire Insulating Cleat Cleat	POTTER, John S. CARTWRIGHT, David J.	Cleat	John S. Potter
U	445,969	February 10, 1891	Electric Insulator Round insulator mounted on top of crossarm with two screws and surrounded with a rubber tube. Conductor is supported on top and secured with a metal clip.	BRANCH, James R.	Insulator
U	450,384	April 14, 1891	Electric Wire Insulator Knob with two grooves and side petticoat	BERTOLETTE, Daniel A.	Knob
		1892
U	477,980	June 28, 1892	Insulator Knob (specimens made by Akron Marble & Toy Mfg. Co.)	WIRT, Herbert C.	Knob	The Thomson-Houston Electric Co.
U	479,134	July 19, 1892	Insulator Self-typing nail-knob with arm that secures the wire	CONOVER, Chauncey E.	Knob
U	480,011	August 2, 1892	Insulator Knob - self-tying	GREEN, John Jay	Knob	The Security Insulator Co.
U	483,771	October 4, 1892	Insulator Knob - self-tying Patent was owned by Pass & Seymour.	SEYMOUR, Albert P.	Knob
		1893
U	504,059	August 29, 1893	Insulator CD 141.6, bail type clamping lever to hold line wire	BLACKBURN, George W.	Insulator
U	511,611	December 26, 1893	Insulator Cleat - self-tying	HAMMOND, Charles N.	Cleat	The Hammond Cleat & Insulator Co.
U	511,612	December 26, 1893	Insulator Cleat - self-tying	HAMMOND, Charles N.	Cleat	The Hammond Cleat & Insulator Co.
		1894
U	518,214	April 17, 1894	Ceiling Cleat Cleat for ceiling - 2 piece	BALL, Henry Price	Cleat
U	518,907	April 24, 1894	Cleat for Supporting Conducting Wires for Electric Circuits Cleat (hanger)	WYMAN, Horace B.	Cleat	1/2 to Albert Goodwin
U	520,412	May 29, 1894	Insulator Self-tying cylindrical cleat	CONOVER, Chauncy E.	Self-tying Miscellaneous
		1895
U	539,040	May 14, 1895	Insulator Cleat (ceiling) with metal clip (Electrical Engineer 1-30-1895 and 8-14-1895) It was referred to as the ""Simplest"" cleat and the Ideal cleat.	DESISLES, Leonard H.	Cleat	1/2 to Frederick Palmer
U	549,443	November 5, 1895	Electric Supporting Insulator Knob	COLLINS, Joseph	Knob
		1897
U	581,088	April 20, 1897	Electric Wire Insulator Block of glass to hold wire in crossarm	SHARPE, John E.	Block
U	591,104	October 5, 1897	Insulator for Electric Wires Cleat - self-tying	ROBERTS, Willis	Cleat
U	593,689	November 16, 1897	Insulator Cleat - self-tying with spiral grooves	REMBE, Louis F.	Cleat
		1899
U	627,366	June 20, 1899	Insulator for Fastening Electric Wires Knob - self-tying	TRELEAVEN, John	Knob	Harry Painter and Christopher Turton
		1901
U	667,882	February 12, 1901	Feeder Wire Insulator Mine insulator (similar to Sackett see 903,692) [CD 1025?]	KING, Charles K.	Mine
		1902
U	699,761	May 13, 1902	Insulator Lightning rod insulator tie wire knob	KRETZER, Henry F.	Lightning Rod Insulator
U	710,282	September 30, 1902	Insulator Block with metal tabs bent to hold wire	LEFEVER, Edwin	Block
		1903
U	724,329	March 31, 1903	Insulator Self-tying nail-knob with three flanges on top for tying wire around the knob and saw-toothed bottom edge to prevent the knob from turning.	POLK, Robert H.	Knob
		1904
U	753,399	March 1, 1904	Combination Bracket and Knob for Electric Conductors nail-knob with hole in the top and two side groove for tie-wire (see Western Electrician 4-29-1905)	HUNT, Emory C.	Knob	1/2 to Charles Snyder
U	756,724	April 5, 1904	Insulator Cleat - self-tying	SNODGRASS, John C.	Cleat
U	771,334	October 4, 1904	Third Rail Insulator U-shaped third rail insulator metal caps fitting over each part to support rails.	STEWART, JR., Samuel B.	Third Rail	General Electric Co.
		1905
U	783,348	February 21, 1905	Insulator Knob - self-tying	WRIGHT, Evans C.	Knob	1/2 to Francis McHenry
U	785,561	March 21, 1905	Wiring Cleat Cleat - self-tying	LATIMER, John M.	Cleat	Consolidated Fire Alarm Co.
U	804,115	November 7, 1905	Electrical Insulator Knob - self-tying	GOODRIDGE, Gilbert W.	Knob
		1906
U	815,506	March 20, 1906	Insulator Cleat - self-tying	BLYNT, Herbert S.	Cleat
U	825,954	July 17, 1906	Cleat for Electric Wires Knob - split made from wood or composition	BLAKE, Charles C.	Knob
U	833,877	October 23, 1906	Insulator miscellaneous bolted insulator	GRANT, Francis Jones	Miscellaneous
U	836,122	November 20, 1906	High Potential Insulator Pin of bolt (tapered) in tapered hole (see 685,776)	LOCKE, Fred M.	Pin
U	840,336	December 25, 1906	Insulator Knob	JOHNSON, Alfred	Knob
		1907
U	849,896	April 9, 1907	Insulator Knob with cam device to hold wire	GRIFFITH, Charles	Knob
U	868,530	October 15, 1907	Telegraph and Telephone Insulator Hanger type with slots for two wires	COOPER, John A.	Hanger
U	874,445	December 24, 1907	Insulator Cleat - self-tying	SHEARS, Albert L.	Cleat
		1908
U	887,520	May 12, 1908	Insulator Knob - self-tying	REHLING, John W.	Knob
U	897,669	September 1, 1908	Insulator Knob - self-tying	SIEGWART, Frank J.	Knob
		1909
U	927,321	July 6, 1909	Insulator Wire grooves undercut to hold wire	BOND, John T.	Wire
U	934,463	September 21, 1909	Cleat for Electric Wires Cleat for ceiling wires and fixtures	RITTER, William F.	Cleat
		1910
U	948,321	February 8, 1910	Knob Insulator Knob or spool to support a pair of insulation covered wires	GRACE, Sergius P.	Knob	Western Electric Co.
U	954,596	April 12, 1910	Insulator Knob (Fireplug)	STADERMANN, Albert L.	Knob
U	977,262	November 29, 1910	Insulating Hanger Knob - self-tying	BIGHAM, Neal Jay	Knob	Harry A. Robertson
		1911
U	1,000,493	August 15, 1911	Insulator for Electric Railway Cars Spool type insulator to suspend electrical equipment from electric train cars	CHRISTENSEN, John	Miscellaneous
U	1,008,087	November 7, 1911	Insulator Cleat - self-tying	SWEENEY, James M.	Cleat
		1912
U	1,014,720	January 16, 1912	Wiring Block Wiring block for main circuit wires that provides for connection for branch circuits	PEREYRA, Eugene S.	Wiring Block
U	1,014,934	January 16, 1912	Insulator Knob Knob	BAKER, George	Knob
U	1,028,534	June 4, 1912	Insulator Miscellaneous	BRADY, Charles C.	Miscellaneous
		1914
U	1,097,392	May 19, 1914	Battery Box Support and Insulator Battery rest insulator with screw to hold under foot of table	CREMER, August C. MOLANDER, Gustaf F.	Battery
		1915
U	1,166,392	December 28, 1915	Insulator Electrose strain that can be bolted between two crossarms	STEINBERGER, Louis	Electrose
		1916
U	1,169,246	January 25, 1916	Insulator Wire hanger [only 5 known]	FOLSTAD, Almer J.	Wire
U	1,186,862	June 13, 1916	Insulator Knob	SWARTZ, Otto P.	Knob
U	1,188,599	June 27, 1916	Self-Tying Insulator Cleat - self-tying	YOUMANS, Salem L. MCLAUGHLIN, James A.	Cleat
		1917
U	1,213,011	January 16, 1917	Device for Connecting Outside Wires to Buildings Odd cylindrical knob with off-center screw hole and external grooves for attaching wires to buildings (see reissue 14,312 on 6-5-1917) [Angle Insulator Co.]	RAGOTZKY, Philip C.	Knob
U	1,225,460	May 8, 1917	Insulator Wall Bracket Bracket for rack knobs	MCCARTHY, James B.	Bracket	National Metal Molding Co.
R	14,312	June 5, 1917	Device for Connecting Outside Wires to Buildings Odd cylindrical knob with off-set screw hole and external grooves for attaching wires to buildings (reissue of 1,213,011) [Angle Insulator Co.]	RAGOTZKY, Philip C.	Knob
		1918
U	1,271,596	July 9, 1918	Insulator Support Bracket for knobs	MAYER, Walter S.	Bracket	Electric Service Supplies Co.
U	1,284,799	November 12, 1918	Knob and the Like Knob with two vertical grooves and lag screw for mounting to building	SINDELAR, Lambert J.	Knob
		1922
U	1,427,953	September 5, 1922	Attaching Device Knob	HARRISON, Arthur W.	Knob	Porcelain Appliance Corp.
U	1,429,369	September 19, 1922	Attaching Device Knob	PARKER, William M.	Knob	J. H. Parker & Son, Inc.
		1925
U	1,527,318	February 24, 1925	Insulator Knob with multiple side grooves	LEWIS, Edwin	Knob	American Telephone & Telegraph Co.
U	1,530,298	March 17, 1925	Knob Knob with side grooves	CHAMBLESS, Young J. LEE, Ammie L.	Knob
		1927
U	1,640,815	August 30, 1927	Insulator Knob - self-tying with side projections to crimp wire and hold it. It was made by the Trenle Porcelain Co. of East Liverpool and called the ""Quickon"" knob.	BROOKMAN, Horace D.	Knob
		1929
U	1,712,860	May 14, 1929	Transposition Pin Pin (metal) through crossarm for transposition	WEIMAR, Robert	Pin
U	1,720,181	July 9, 1929	Insulator Wireholder	KYLE, William D.	Wireholder	Line Material Co.
U	1,736,043	November 19, 1929	Insulator Knob	KYLE, William D.	Knob	Line Material Co.
U	1,736,044	November 19, 1929	Screw Insulator Wireholder with lag screw	KYLE, William D.	Wireholder	Line Material Co.
		1930
U	1,749,915	March 11, 1930	Insulator Rack Wireholder mounted on a rack	KYLE, William D.	Wireholder	Line Material Co.
		1940
U	2,191,171	February 20, 1940	Insulator Wireholder with lag screw	LEE, Leffman H. GUTHRIE, James M.	Wireholder	Line Material Co.
D	121,705	July 30, 1940	Design for an Electric Fence Insulator Fence knob	SMITH, Ralph R.	Knob
U	2,213,425	September 3, 1940	Insulator Fastener Knob and bracket pin	YOUNG, Harry M.	Knob	Western Wire Products Co.
		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
		1942
U	2,304,204	December 8, 1942	Electrical Insulator Rubber insulator for wire fence	RATZMAN, Borah B.	Rubber
		1943
U	2,307,277	January 5, 1943	Wire Support Knob - self-tying	KLINGEL, Edward L.	Knob
		1944
U	2,343,576	March 7, 1944	Support for Electric Conductors Knob	PITTMAN, Ralph R.	Knob
		1948
U	2,437,593	March 9, 1948	Reinforced Wire-Contacting Insulator Assembly Transposition bracket using spool insulators	CASE, Rogers	Transposition
U	2,442,165	May 25, 1948	Insulator Odd under crossarm insulator with diagonal slot to insert wire into center slot and means to nail the insulator to the crossarm	GEROW, Kenneth Norris	Miscellaneous
U	2,444,938	July 13, 1948	Insulator Radio antennae insulator with center hole for nail and side slits to hold the antennae wire	MARTIN, JR., Albert D.	Radio
		1960
U	2,935,553	May 3, 1960	Electrical Knob Insulator Nail-knob with center bushing to secure nail	SHOWMAN, Robert L.	Knob	A. B. Chance Co.

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