Search the Insulator Patent Reference Library:

Total of 94 patents found where: Class is '174'; Subclass is '157';

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1884
U	296,688	April 8, 1884	Insulating Support for Electric Conductors Knob for holding wires	HAINES, David LAKE, Stephen	Knob
		1885
U	324,692	August 18, 1885	Insulator for Securing Telegraph and other Wires Cleat	HILL, George W.	Cleat
		1889
U	398,025	February 19, 1889	Insulator Knob	BROWN, Warren C.	Knob
U	411,801	October 1, 1889	Wire Holder and Insulator Cleat	FLETCHER, John R.	Cleat
		1890
U	440,042	November 4, 1890	Insulator for Electric Conductors Knob - 2 piece	KESSLER, William	Knob
		1892
U	476,827	June 14, 1892	Wire Cleat Cleat Patent was owned by Pass & Seymour.	SEYMOUR, Albert P.	Cleat
		1893
U	502,614	August 1, 1893	Cleat for Insulated Wires Cleat - 2 piece	CLARKE, Edward H.	Cleat	1/2 to Solomon Eaton
U	503,384	August 15, 1893	Cleat for Electric Wires Cleat - 2 piece	PAWOLOWSKI, Jacob	Cleat
U	505,912	October 3, 1893	Cleat for Holding Insulated Electric Wires Cleat (2-wire) - 2 piece	BUFFINTON, Elisha W.	Cleat	1/2 to Albert F. Dow
U	508,687	November 14, 1893	Cleat for Electric Wiring Cleat (2-wire) - 2 piece	DUGGAN, Frederic A.	Cleat
		1894
U	525,001	August 28, 1894	Insulator Knob - 2 piece	BRADLEY, Leonard W.	Knob
U	526,472	September 25, 1894	Insulator for Electric Conductors Knob - self-tying	WEBSTER, George	Knob	1/2 to Arthur Ingraham & Samuel Brown
U	527,254	October 9, 1894	Insulator Cleat - 2 piece	TRIMBLE, William D.	Cleat
		1895
U	531,635	January 1, 1895	Electric Wire Holder or Insulator Knob - 2 piece	ISKE, Albert	Knob
		1896
U	558,165	April 14, 1896	Electric Wire Cleat Cleat - 2 piece	EVANS, Fredric B.	Cleat	1/2 to Theodore Gould, Jr.
		1897
U	575,090	January 12, 1897	Cleat Cleat with ridges to hold wire in grooves	ADAM, Carl F.	Cleat
		1901
U	682,831	September 17, 1901	Adjustable Insulator Knobs with various fluted sides grouped to hold wire	MURDOCK, Henry D.	Knob
		1902
U	697,001	April 8, 1902	Insulator 2-piece reversible nail-knob “P. E. M. Co. knob” (made by the Porcelain Electric Mfg. Co.) formerly known as the “W. E. split knob”. When Thomas received exclusive right to make and market the knob, it was called Thomas “T. P. I. knob “.	NICHOLS, William H.	Knob	1/2 to Elmer Larrabee
		1903
U	726,651	April 28, 1903	Electric Wire Support Glass insert in crossarm to insulate a steel pin that supports the conductor	CULLEN, Beauregard	Pin
U	745,999	December 8, 1903	Insulator nail-knob with conical projection on the bottom part that fits in a conical recess in the top part and projections in the wire groove and cap to secure the wire.	BOWER, Sigmund	Knob	1/2 to Joseph Levy
U	746,469	December 8, 1903	Electrical Wire Support Wire support of cylindrical shape & metal support bolt to underhang wire	CULLEN, Beauregard	Wire
		1904
U	769,639	September 6, 1904	Cleat for Electric Conductors Cleat - 2-piece bolted together	SARGENT, Howard R.	Cleat	General Electric Co.
U	776,514	December 6, 1904	Cleat for Electric Wiring Knob - split	HUNT, Emory C.	Knob	1/2 to C. W. E. Snyder
		1905
U	806,588	December 5, 1905	Electrical Insulator Oval shaped nail-knob with saddle top for cap to fit over the saddle	SINCLAIR, Herbert	Knob
		1906
U	815,471	March 20, 1906	Insulator Knob - split	RICKS, George L.	Knob
U	818,186	April 17, 1906	Insulating Cleat 2-piece single wire cleat	MURDOCK, Henry D.	Cleat
U	825,795	July 10, 1906	Insulator miscellaneous	BAKER, Melvin F.	Miscellaneous
		1907
U	845,544	February 26, 1907	Wiring Knob Knob	GORDON, Waldo C.	Knob	The Electric Good Mfg Co.
U	855,208	May 28, 1907	Insulator nail-knob with top part fitting inside the bottom and with an offset nail hole. Specimen was found at Star Porcelain Co. dump with embossed marking IDEAL.	SINCLAIR, Herbert	Knob
U	864,947	September 3, 1907	Clamp for Electric Wires Knob	BUFFINTON, Elisha W.	Knob	1/2 to Marietta Huggett
U	869,163	October 22, 1907	Insulator Cleat for corners	DEVINE, William J.	Cleat
U	872,993	December 3, 1907	Insulator Cleat	DEEM, Arthur S.	Cleat	1/2 to Issac Bear
		1908
U	878,302	February 4, 1908	Insulator nail-knob, square shaped with reversible matching halves	MARKEL, Harley R.	Knob
U	880,121	February 25, 1908	Electrical Insulator Knob wiring insulator composed of two or more discs to secure individual wires from each other and the supporting nail or screw.	BOLTON, Daniel G.	Knob
U	905,014	November 24, 1908	Flexible Suspension for Conductors Electrose suspension system	STEINBERGER, Louis	Electrose
U	907,251	December 22, 1908	Electrical Wiring Knob nail-knob with side projection on each part to secure the wire.	LAWRENCE, Harry W.	Knob
		1909
U	911,429	February 2, 1909	Cleat for Electric Wires Cleat - L shaped for curves	MCLENNAN, Roderick	Cleat
U	917,207	April 6, 1909	Insulator Knob with offset screw	WEBER, JR., August	Knob	August Weber, Sr.
U	919,386	April 27, 1909	Insulator Nail knob made by Cook Pottery Co. known as the ""Wedge"" for holding two wires (see article 7273)	SCHAUB, Ferdinand	Knob
		1910
U	945,350	January 4, 1910	Insulator Two part insulator fitted in the underside of the crossarm.	TINSLEY, Addison B.	Under Crossarm
U	955,065	April 12, 1910	Insulator miscellaneous oddball	HARDIN, Cornelious C.	Miscellaneous
U	964,586	July 19, 1910	Insulator Knob - self-tying	TUFTS, JR., John R.	Knob	1/2 to F. W. Clark
U	965,723	July 26, 1910	Insulator nail-knob with ball holder. Known as the Paragon knob, which was sold by the Paragon Electric Co.	MALTHANER, John F.	Knob
U	971,683	October 4, 1910	Insulator Knob	MARKEL, Harley R.	Knob
		1911
U	981,074	January 10, 1911	Split-knob Insulator Knob triangular shaped	DUPONT, Henry H.	Knob
U	992,570	May 16, 1911	Insulator Knob with reversible L-shaped halves to better grip the wire and without projections that might get damaged during shipment.	MARKEL, Harley R.	Knob
		1912
U	1,014,934	January 16, 1912	Insulator Knob Knob	BAKER, George	Knob
U	1,021,059	March 26, 1912	Insulator Knob	MARKLEY, Willis R.	Knob
U	1,032,545	July 16, 1912	Insulator Knob	HILTY, Robert D.	Knob	1/2 to Ira Zeis
U	1,042,372	October 22, 1912	Split Insulator Knob	HARRIS, John R.	Knob
U	1,042,677	October 29, 1912	Insulating Cleat Cleat	HILTY, Robert D.	Cleat	1/2 to Ira Zeis
U	1,048,850	December 31, 1912	Insulator Findlay reversible ""Buckeye"" split-knob for crossovers	MOORE, John W.	Knob
		1913
U	1,049,405	January 7, 1913	Insulator Knob	SCHAUB, Ferdinand	Knob
U	1,056,711	March 18, 1913	Crossover Insulator for Electrical Conductors Crossover	SCHAUB, Ferdinand	Crossover
U	1,060,886	May 6, 1913	Insulator Interchangeable nail-knob parts	BICKNELL, John E.	Knob	Findlay Electric Porcelain Co.
U	1,061,620	May 13, 1913	Insulator Cleat	MARKEL, Harley R.	Cleat
U	1,079,239	November 18, 1913	Insulator Knob with tube of metal surrounding the nail to aid in keeping parts together.	HARRIS, John R.	Knob
		1915
U	1,127,776	February 9, 1915	Insulator Reversible nail-knob	KETTRON, Charles W.	Knob	Illinois Electric Porcelain Co.
U	1,139,748	May 18, 1915	Insulator Knob	BEATTY, Thomas W.	Knob
U	1,144,153	June 22, 1915	Insulator Knob	NICHOLS, William H.	Knob
U	1,147,498	July 20, 1915	Divided Insulator Reversible nail-knob	FREEMAN, Edgar H.	Knob	Trenton Porcelain Co.
U	1,163,114	December 7, 1915	Insulator Cleat	STAHL, Loren	Cleat
		1916
U	1,176,801	March 28, 1916	Insulator Crossover block (see reissue 14,256 on 2-6-1917)	WILLIAMS, William H.	Crossover
U	1,177,996	April 4, 1916	Insulator Knob with two nail holes	CURRY, William J. ANDREWS, William A.	Knob
U	1,178,539	April 11, 1916	Insulator Cleat	SCHAUB, Ferdinand	Cleat
U	1,179,127	April 11, 1916	Insulator Knob, split with metal clip to hold the parts together	MARKEL, Harley R.	Knob
U	1,194,747	August 15, 1916	Insulator Knob	KELLS, Herbert R.	Knob
U	1,201,325	October 17, 1916	Insulator Knob	MARKEL, Harley R.	Knob
		1917
R	14,256	February 6, 1917	Insulator Crossover block (reissue of 1,176,801)	WILLIAMS, William H.	Crossover
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
U	1,217,315	February 27, 1917	Insulator Knob	KENDIG, Julian H.	Knob
U	1,218,181	March 6, 1917	Insulator Knob nail-knob made by Cook Pottery Co. known as the ""Wedge"".	HOMER, John W.	Knob
U	1,232,354	July 3, 1917	Insulator nail-knob	MAIR, John E.	Knob	Brunt Tile & Porcelain Co.
		1918
U	1,273,313	July 23, 1918	Insulator Knob with metal clip	BEATTY, Thomas W.	Knob
		1919
U	1,290,540	January 7, 1919	Knob Insulator Knob with 6-prong star under cap (DIXIE NAIL-IT and DIXIE SCREW-IT)	GLOCKER, Gustave	Knob
U	1,302,158	April 29, 1919	Insulator Knob	HARRIS, John R.	Knob
U	1,311,483	July 29, 1919	Insulator nail-knob, cap has radial ridges flush with rim of cap and base has ribbed grooves.	AMOS, Frank M.	Knob	Wheeling Tile Co.
		1920
U	1,329,656	February 3, 1920	Insulator Nail knob made by Triangle M (Illinois Electric Porcelain Co.) with captivated nail. (DIXIE NAILIT)	FARGO, Arthur H.	Knob	Charles Tremain
U	1,335,634	March 30, 1920	Insulator Knob	AMOS, Frank M.	Knob	Wheeling Tile Co.
U	1,354,396	September 28, 1920	Fastening Device Knob with ribs on nail to prevent separation	HOENIG, Harry E.	Knob	1/2 to Josiat Smith
		1921
U	1,376,307	April 26, 1921	Insulator Knob	AMOS, Frank M.	Knob	Wheeling Tile Co.
U	1,390,118	September 6, 1921	Insulator Knob	FRIDRICHSEN, Peter Christian Carl	Knob
		1922
U	1,427,953	September 5, 1922	Attaching Device Knob	HARRISON, Arthur W.	Knob	Porcelain Appliance Corp.
U	1,429,079	September 12, 1922	Split Insulator Knob	KETTRON, Charles W.	Knob	Illinois Electric Porcelain Co.
U	1,429,369	September 19, 1922	Attaching Device Knob	PARKER, William M.	Knob	J. H. Parker & Son, Inc.
		1923
U	1,474,736	November 20, 1923	Insulator Knob	SCHAUB, Ferdinand	Knob
		1924
U	1,521,433	December 30, 1924	Indicating Insulator Knob	CHARLTON, Robert W.	Knob
		1926
U	1,592,042	July 13, 1926	Insulator Knob	NEWMAN, Maurice H. GILARDIN, William A.	Knob
U	1,602,918	October 12, 1926	Insulator Knob	MARTINEZ, Woodward J.	Knob
		1928
U	1,668,581	May 8, 1928	Electrical Insulating Knob Knob (Canada)	BROWN, Donald M.	Knob
		1933
U	1,920,978	August 8, 1933	Insulator Clamp type with lag screw	FORT, Louis	Clamp Type
		1938
U	2,135,344	November 1, 1938	Transposed Lead-In Transposition for radio line	JOHNSTON, Fred E.	Transposition	Crosley Radio Corp.
		1940
U	2,213,425	September 3, 1940	Insulator Fastener Knob and bracket pin	YOUNG, Harry M.	Knob	Western Wire Products Co.
		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.

Total of 0.04 seconds