Search the Insulator Patent Reference Library

Search the Insulator Patent Reference Library:

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

Total of 35 patents found where: Year is 1891

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		ALBANESE, Giuseppe Sacco
U	465,961	December 29, 1891	Insulator Wireholder (G.S.A.) (see Electrical Engineer 1-20-1892)	ALBANESE, Giuseppe Sacco	Wireholder
		BALL, Henry Price
U	458,964	September 1, 1891	Cleat for Electric Wires Cleat (apparently licensed to General Electric)	BALL, Henry Price	Cleat
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.
		BERTOLETTE, Daniel A.
U	450,384	April 14, 1891	Electric Wire Insulator Knob with two grooves and side petticoat	BERTOLETTE, Daniel A.	Knob
		BIRDSALL, Edward T. SERRELL, Lemuel William
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
		BRANCH, James R.
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
		CATLIN, Abel D.
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
		CREIGHTON, Theodore
U	450,708	April 21, 1891	Insulator Lightning rod insulator	CREIGHTON, Theodore	Lightning Rod Insulator
		DOWNEY, George W.
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
		ELKINS, Charles
U	444,879	January 20, 1891	Insulator Tree hanger	ELKINS, Charles	Tree
		GERRARD, Clarence L.
U	459,686	September 15, 1891	Insulator Strain type	GERRARD, Clarence L.	Strain
		GRAHAM, George H. GANNANE, Thomas
U	448,956	March 24, 1891	Electric Insulator Self-tying via metal band screwed on top	GRAHAM, George H. GANNANE, Thomas	Self-tying Miscellaneous
		GRAY, Lawrence B.
U	462,862	November 10, 1891	Press for Molding Glass Insulators Press for making insulators	GRAY, Lawrence B.	Press
		GREEN, John Jay BROWN, George C.
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
		HEADLEY, Harry
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
		HEWETT, Robert J.
U	461,631	October 20, 1891	Insulating Support for Electric Conductors Oil insulator	HEWETT, Robert J.	Oil
		JACOBS, Charles A.
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
		JENNINGS, Byron
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
		KRESS, George R.
U	452,796	May 26, 1891	Hollow Braided Lightning Rod Flexible lightning rod made of hollow plaited cable	KRESS, George R.	Lightning Rod
		LIEB, Charles A. LAVENS, Erwin
U	450,294	April 14, 1891	Insulator Hanger - bell type for trolley	LIEB, Charles A. LAVENS, Erwin	Hanger	Charles A. Lieb
		LOCKE, Fred M. COBB, Frank E.
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
		MUNSIE, James F.
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
		NEWELL, Hiram F.
U	463,955	November 24, 1891	Electric Wire Insulator Self-tying with fingers	NEWELL, Hiram F.	Self-tying Miscellaneous
		OAKMAN, Samuel
U	451,950	May 12, 1891	Electric Insulator CD 262, CD 263, CD 264, eyes for tie wire	OAKMAN, Samuel	Insulator
		POTTER, John S. CARTWRIGHT, David J.
U	444,317	January 6, 1891	Electric Wire Insulating Cleat Cleat	POTTER, John S. CARTWRIGHT, David J.	Cleat	John S. Potter
		RADFORD, Cassius M.
U	452,983	May 26, 1891	Grounding Device for Lightning Rods Grounding device for lightning rods	RADFORD, Cassius M.	Lightning Rod
		ROSS, Frank A.
U	460,448	September 29, 1891	Insulator Self-tying screw top	ROSS, Frank A.	Self-tying Screw Top
		SMITH, Thomas Carpenter
U	444,466	January 13, 1891	Electric Lamp Bracket Bracket for two insulators and support for a street light	SMITH, Thomas Carpenter	Bracket
		THOMAS, Van A.
U	459,843	September 22, 1891	Insulator Hanger knob	THOMAS, Van A.	Hanger	1/2 to Andrew Ross
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
		VOGLER, William
U	445,008	January 20, 1891	Insulator Protective shield for trolley hanger insulator	VOGLER, William	Protective Shield
		WHEELER, George K.
U	448,395	March 17, 1891	Insulator Suspension type (2-part wooden) for trolley wires	WHEELER, George K.	Suspension
		WINTON, Henry D.
U	445,790	February 3, 1891	Insulator Strain type with ramshorn ends	WINTON, Henry D.	Strain
		WIRT, Herbert C.
U	448,703	March 24, 1891	Support for Electric Line Wires Hanger insulator for trolley conductor	WIRT, Herbert C.	Hanger

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