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Total of 86 patents found where: Class is '174'; Subclass is '155';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1854
U	11,539	August 15, 1854	Insulator for Lightning Rods Lightning rod insulator (split circular) with metal screw bracket	WEBB, Timothy U.	Lightning Rod Insulator
		1860
U	27,977	April 24, 1860	Improved Method of Insulating and Supporting Lightning Rods Lightning rod insulator (two-piece) with split support	FOX, Myron	Lightning Rod Insulator
		1867
U	70,132	October 22, 1867	Improvement in Telegraph Insulators Slotted, flanged insulator in slot in crossarm	TELLER, Daniel W. SAVAGE, William L.	Slotted	Themselves and W. H. Hoag
		1870
U	109,461	November 22, 1870	Improvement in Insulators for Telegraph Wires Clamp type via two glass blocks held and kept dry by metal box	SMITH, Ashbel G. PETTINGELL, William	Clamp Type	Themselves and William H. Fowler
U	109,879	December 6, 1870	Improvement in Insulators for Telegraph Wires Split insulator protected by metal cage	DE MONTUFAR, Manuel	Split
		1871
U	120,884	November 14, 1871	Improvement in Telegraph Insulators Cylinder (split and circular) mounted in crossarm to hold wire	KIDWELL, George W.	Cylinder
		1873
U	138,489	May 6, 1873	Improvement in Insulators for Telegraph lines Cylinder split insulator to hold wire in hole in crossarm	EBY, Peter FENNINGER, Michael B.	Cylinder
U	139,436	May 27, 1873	Improvement in Insulators for Telegraph lines Cylinder insulator held by threaded wooden pin bracket	TATOM, Isaac I.	Cylinder
		1880
U	230,290	July 20, 1880	Lightning Rod Insulator Lightning rod insulator of tubular glass with flat side & metal bracket	LILLY, Charles H.	Lightning Rod Insulator
		1882
U	254,610	March 7, 1882	Insulator for Telegraph Wires Cleat - self-tying by means of two insulating blocks	CAPEWELL, William H.	Cleat
		1883
U	271,825	February 6, 1883	Fastening for Electric Circuit Wires Miscellaneous grooved round insulator to hold wire & secured with a staple	FISKE, Henry G.	Miscellaneous
		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	297,677	April 29, 1884	Device for Attaching Telegraph Wires to Posts and Insulating Them Therefrom Steel pin with lag screw and holder for insulator	COTTRELL, Herbert	Pin
U	303,483	August 12, 1884	Insulator Slotted spherical insulator supported by box & screw to hold wire	BAILEY, Charles De Roy	Slotted
		1886
U	346,475	August 3, 1886	Insulator Block for Electric Conductors Wooden insulator mounted on wire to prevent wire touching other	HAWKEN, Thomas	Wood
		1887
U	368,284	August 16, 1887	Electric Wire Clamp Insulator Cleat - clamp type	FLETCHER, John R.	Cleat
		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	413,146	October 15, 1889	Insulator Tree insulator bracket holding wire with two spool type insulator	MCCARTHY, Louis	Tree	Charles Lee & The Gould & Watson Co.
		1890
U	419,642	January 21, 1890	Insulator for Electric Wires Split ring with split ring holder and lag screw	CORNOG, Isaac P.	Split
U	426,198	April 22, 1890	Insulator Covers for insulators on crossarms to protect them from rain and reduce electrical leakage	MUNSIE, James F.	Rainshed
		1892
U	466,726	January 5, 1892	Insulator Clamp type split knob with lag screw	NORGRAVE, George B.	Clamp Type	Richard I. Brewster
		1893
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
		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
U	552,501	December 31, 1895	Insulator Self-tying clamp with cam lever (see 805,169)	SNIVELY, Charles H.	Self-tying Miscellaneous
		1896
U	554,723	February 18, 1896	Insulator Clamp type	PELOUBET, Esten	Clamp Type
U	568,060	September 22, 1896	Insulator Cylindrical block in crossarm	WOOD, William	Cylinder
		1897
U	575,952	January 26, 1897	Insulator Ball insulator fit in hole in bottom of crossarm	HOOVER, Frank	Ball	2/3 to W. Bennett & D. Murrell
U	584,235	June 8, 1897	Insulator for Telegraph or Other Electric Wires Clamp type in holder of similar shape to Cutter	NESMITH, Christopher C. ARNETT, George F.	Clamp Type
U	595,827	December 21, 1897	Insulator Bracket Clamp type composition insulator with top cable clamp	WOOLSEY, Charles A.	Clamp Type
		1898
U	607,315	July 12, 1898	Insulator Wall tube of two split pieces [Scientific American 8-6-1898]	WINGARD, Charles L.	Wall Tube	1/2 to Luella Wingard
		1900
U	660,140	October 23, 1900	Insulator Clamp type ribbed cylindrical 2-piece	ALLEY, Cassius	Clamp Type	1/3 to C. Miller & H. Wagner
		1901
U	678,042	July 9, 1901	Rack Insulator Cleat - rack type	SARGENT, Howard R.	Cleat	General Electric Co.
		1904
U	756,026	March 29, 1904	Insulator Tree hanger	KINSLEY, William S. BELL, Stewart S.	Tree
U	756,627	April 5, 1904	Insulator Clamp type 2-piece with horseshoe nail holder	HANSON, John A. LAMBERT, Albert F.	Clamp Type
U	770,278	September 20, 1904	Insulation Rack Cleat - rack type	FLETCHER, John R.	Cleat
		1905
U	793,313	June 27, 1905	Insulator Split insulator to hold wire in the center hole and split bracket to hold insulator above crossarm to prevent line wire from dropping if insulator breaks	MOSS, Bertie B.	Miscellaneous	Leander G. Davis and Milton Hottel
U	797,050	August 15, 1905	Insulator Insulator, split and threaded to screw into hole in crossarm to hold wire	DUNSMORE, William W.	Insulator
U	799,726	September 19, 1905	Insulator Insulator, split and threaded to screw into hole in crossarm to hold wire	FOREMAN, Ernest Jay	Insulator
U	803,973	November 7, 1905	Insulator Clamp type	BEMIS, George M.	Clamp Type
U	805,169	November 21, 1905	Insulator and Wire Clamp Self-tying clamping with lever (see 552,501)	TAUBOLD, John F.	Self-tying Miscellaneous
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	826,916	July 24, 1906	Insulator Clamp type	BARTLEY, Samuel BARTLEY, William O.	Clamp Type
U	834,533	October 30, 1906	Insulator Knob - split vertically to clamp wire	NICOLS, James F.	Knob	1/2 to C. D. Stevens
		1907
U	854,315	May 21, 1907	Insulator Clamp type	STAUFFER, Henry D.	Clamp Type
U	869,873	November 5, 1907	Insulator Odd cylindrical insulator mounted vertically in a slitted bracket	BASS, Duncan M.	Miscellaneous
U	870,486	November 5, 1907	Conducting Wire Support and Insulator Split insulator with external threads to screw into hole in crossarm to hold line wire	WISTNER, Harvey W.	Miscellaneous
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	888,154	May 19, 1908	Insulator Clamp type	FRIEND, Howard	Clamp Type	1/2 to Walter Stevens
U	889,884	June 2, 1908	Insulator Wireholder comprising two spools and metal holder	STRONG, M. Harrison	Wireholder	1/2 to Solomon E. Bronson
		1909
U	915,406	March 16, 1909	Insulator Clamp type	BARTLEY, Samuel BARTLEY, William O.	Clamp Type
U	918,905	April 20, 1909	Insulator Clamp type with split ring and lag screw	POND, Benjamin A.	Clamp Type
U	942,086	December 7, 1909	Support and Insulator Complicated insulator made of two plates of glass secured in a wooden box	LINDSAY, Edward F.	Insulator
		1910
U	947,094	January 18, 1910	Insulator Clamp type	BURTON, Edward	Clamp Type
U	951,505	March 8, 1910	Insulating Tube Tree hanger comprised of split tube	MATHER, Thomas T.	Tree
U	971,619	October 4, 1910	Insulator Clamp type	KLUGH, John T.	Clamp Type
		1911
U	996,312	June 27, 1911	Insulator Cleat - clamp type	CHILDRESS, Thornten D.	Cleat
U	999,683	August 1, 1911	Insulator Clamp type	TINSLEY, Addison B.	Clamp Type
		1912
U	1,013,241	January 2, 1912	Insulator Clamp type	VAN ETTEN, Frank C.	Clamp Type
U	1,022,026	April 2, 1912	Insulator Block in crossarm	GUTHRIE, Joseph A.	Block	Guthrie-Mitchell Co.
U	1,027,601	May 28, 1912	Insulator and Support Clamp type mounted in spike	GRESSETT, Lawrence F.	Clamp Type
U	1,031,975	July 9, 1912	Mine insulator Mine insulator	WARREN, Frederic A.	Mine
U	1,041,937	October 22, 1912	Insulator Bracket Cylinder split and held in a bracket	WYCHE, Daniel W.	Cylinder
U	1,047,059	December 10, 1912	Insulator Support for Line Wires Clamp type	HOYBROOK, Henry L.	Clamp Type
		1913
U	1,070,151	August 12, 1913	Insulator Clamp type	MARTIN, William H.	Clamp Type	1/2 to Newman, 1/2 to Knupp
		1914
U	1,099,374	June 9, 1914	Insulator Block in crossarm	HUNTER, Ira	Block	2/3 to Rafferty, 1/3 to Wells
U	1,102,656	July 7, 1914	Insulator Insulator with hole in center and method to clamp conductor securely and the metal bracket with two bolts to secure the insulator	HADEN, Robert B.	Insulator
		1915
U	1,125,742	January 19, 1915	Cable Supporting Insulator Clamp type	SESSIONS, Edson O.	Clamp Type	Electrical Engineers Equipment Co.
		1916
U	1,175,849	March 14, 1916	Insulator Base miscellaneous circular holder with metal support	WARREN, Frederic A.	Miscellaneous
U	1,176,629	March 21, 1916	Tree Insulator and Wire Supporter Tree hanger	WALLACE, William H.	Tree
		1917
U	1,212,547	January 16, 1917	Automatic Insulator Clamp type	PARENT, Rufus A.	Clamp Type
U	1,240,330	September 18, 1917	Insulator and Support Therefor Clamp type	FORT, Louis	Clamp Type
		1918
U	1,257,983	March 5, 1918	Insulator Self-tying	DE VAUGHN, Clyde T.	Self-tying Miscellaneous
		1920
U	1,333,420	March 9, 1920	Insulator Bracket Bracket that fits around crossarm to support egg-shaped insulators	ILES, Charley S.	Bracket
		1921
U	1,384,214	July 12, 1921	Insulator Self-tying by means of an upper and lower cylindrical block fitted into a hole and secured with a screw plug.	SANDS, Richard	Self-tying
		1924
U	1,505,730	August 19, 1924	Insulator and Support Therefor Wireholder with lag screw and metal bracket	ROCKWELL, Herbert O.	Wireholder	Brady Electric & Mfg. Co.
		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
		1927
U	1,625,645	April 19, 1927	Insulator Clamp type	FORT, Louis	Clamp Type
		1929
U	1,717,885	June 18, 1929	Mounting for Electric Conductors Hanger insulator made of rubber for trolley conductor	LEIPERT, August H.	Hanger	The Rubber Shock Insulator Corp.
		1930
U	1,750,770	March 18, 1930	Insulator Pin Steel pin with supporting base that fits over top and edge of wooden crossarm	AUSTIN, Arthur O.	Pin	The Ohio Brass Co.
		1931
U	1,788,245	January 6, 1931	Insulator Support Clamp type	MANSON, Ralph H.	Clamp Type	Hubbard & Co.
U	1,810,950	June 23, 1931	Insulator Rubber self-tying insulator	EARHART, Albert C.	Rubber
		1932
U	1,858,045	May 10, 1932	Wire Support Wireholder for duplex street lighting conductor running down poles	HENDEE, Lem E.	Wireholder	Line Material Co
		1934
U	1,956,526	April 24, 1934	Insulated Support for Electric Cables Clamp type with wire hanger	ELLMANN, John I.	Clamp Type	Ellmann, Inc.
		1935
U	1,992,284	February 26, 1935	Bracket Insulator Bracket for split insulator wireholder	BANKS, William C.	Wireholder

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