Search the Insulator Patent Reference Library

Search the Insulator Patent Reference Library:

SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1891-00-00' AND date < '1892-00-00') ORDER BY date ASC, patent, type

Total of 35 patents found where: Year is 1891

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1891
U	444,317	January 6, 1891	Electric Wire Insulating Cleat Cleat	POTTER, John S. CARTWRIGHT, David J.	Cleat	John S. Potter
U	444,466	January 13, 1891	Electric Lamp Bracket Bracket for two insulators and support for a street light	SMITH, Thomas Carpenter	Bracket
U	444,879	January 20, 1891	Insulator Tree hanger	ELKINS, Charles	Tree
U	445,008	January 20, 1891	Insulator Protective shield for trolley hanger insulator	VOGLER, William	Protective Shield
U	445,790	February 3, 1891	Insulator Strain type with ramshorn ends	WINTON, Henry D.	Strain
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	446,130	February 10, 1891	Lightning Rod Lightning rod made of sheet copper angularly bent and twisted into a spiral with corrugations between the angles	DOWNEY, George W.	Lightning Rod
U	448,395	March 17, 1891	Insulator Suspension type (2-part wooden) for trolley wires	WHEELER, George K.	Suspension
U	448,703	March 24, 1891	Support for Electric Line Wires Hanger insulator for trolley conductor	WIRT, Herbert C.	Hanger
U	448,956	March 24, 1891	Electric Insulator Self-tying via metal band screwed on top	GRAHAM, George H. GANNANE, Thomas	Self-tying Miscellaneous
U	449,773	April 7, 1891	Insulator Pin Machine Machine to make wooden pins (see 701,739)	CATLIN, Abel D.	Pin/machine	K. L. Catlin and Lane Lyle
U	450,294	April 14, 1891	Insulator Hanger - bell type for trolley	LIEB, Charles A. LAVENS, Erwin	Hanger	Charles A. Lieb
U	450,384	April 14, 1891	Electric Wire Insulator Knob with two grooves and side petticoat	BERTOLETTE, Daniel A.	Knob
U	450,708	April 21, 1891	Insulator Lightning rod insulator	CREIGHTON, Theodore	Lightning Rod Insulator
U	451,950	May 12, 1891	Electric Insulator CD 262, CD 263, CD 264, eyes for tie wire	OAKMAN, Samuel	Insulator
U	452,523	May 19, 1891	Electric Insulator Cone of wood with metal shield for trolley wire hanger	JENNINGS, Byron	Wood	1/2 to James Brusie
U	452,796	May 26, 1891	Hollow Braided Lightning Rod Flexible lightning rod made of hollow plaited cable	KRESS, George R.	Lightning Rod
U	452,983	May 26, 1891	Grounding Device for Lightning Rods Grounding device for lightning rods	RADFORD, Cassius M.	Lightning Rod
U	454,655	June 23, 1891	Suspension Device for Pails Device to swing a tobacco pail under a store counter	LOCKE, Fred M. COBB, Frank E.	Pail
U	455,107	June 30, 1891	Insulator Third rail insulator with cup to hold hygroscopic chemical and means to heat insulator to drive off moisture	MUNSIE, James F.	Third Rail
U	455,400	July 7, 1891	Manufacture of Knob Molds Method of forming mold boxes for the manufacture of knobs.	HEADLEY, Harry	Knob	H. Brunt & Son
U	458,964	September 1, 1891	Cleat for Electric Wires Cleat (apparently licensed to General Electric)	BALL, Henry Price	Cleat
U	459,686	September 15, 1891	Insulator Strain type	GERRARD, Clarence L.	Strain
U	459,843	September 22, 1891	Insulator Hanger knob	THOMAS, Van A.	Hanger	1/2 to Andrew Ross
U	460,448	September 29, 1891	Insulator Self-tying screw top	ROSS, Frank A.	Self-tying Screw Top
U	461,109	October 13, 1891	Device for Stretching Heavy Wires on Poles Mechanical device mounted on the crossarm with a roller to aid in stretching wires before they are attached to insulators.	BALL, Henry Price	Wire Stretcher	Edison General Electric Co.
U	461,631	October 20, 1891	Insulating Support for Electric Conductors Oil insulator	HEWETT, Robert J.	Oil
U	462,862	November 10, 1891	Press for Molding Glass Insulators Press for making insulators	GRAY, Lawrence B.	Press
U	463,587	November 17, 1891	Insulator Bracket Bracket	THOMAS, Van A.	Bracket	1/2 to Andrew D. Ross
U	463,588	November 17, 1891	Insulator Bracket Bracket	THOMAS, Van A.	Bracket	1/2 to Andrew D. Ross
U	463,756	November 24, 1891	Wire Hanger Wire hanger using two spool insulators in a bracket to secure the line wire	JACOBS, Charles A.	Hanger
U	463,824	November 24, 1891	Trolley Wire Hanger Trolley wire hanger with insulator with threads on inside and outside to screw into bell	BIRDSALL, Edward T. SERRELL, Lemuel William	Hanger
U	463,955	November 24, 1891	Electric Wire Insulator Self-tying with fingers	NEWELL, Hiram F.	Self-tying Miscellaneous
U	464,770	December 8, 1891	Clamp for Electric Wires Nail-knob with matching caming grooves. Rotating cap tightens it against the insulated covered wire and the screw or nail secures the cap in that position.	GREEN, John Jay BROWN, George C.	Knob
U	465,961	December 29, 1891	Insulator Wireholder (G.S.A.) (see Electrical Engineer 1-20-1892)	ALBANESE, Giuseppe Sacco	Wireholder

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