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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1891-00-00' AND date < '1892-00-00') ORDER BY specimen ASC, 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
 1891
U 444,317 January 6, 1891 Electric Wire Insulating Cleat
Cleat
POTTER, John S.
CARTWRIGHT, David J.
Cleat John S. Potter
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 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 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 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 465,961 December 29, 1891 Insulator
Wireholder (G.S.A.) (see Electrical Engineer 1-20-1892)
ALBANESE, Giuseppe Sacco
Wireholder  
U Specimen known 444,466 January 13, 1891 Electric Lamp Bracket
Bracket for two insulators and support for a street light
SMITH, Thomas Carpenter
Bracket  
U Specimen known 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 Specimen known 451,950 May 12, 1891 Electric Insulator
CD 262, CD 263, CD 264, eyes for tie wire
OAKMAN, Samuel
Insulator  
U Specimen known 458,964 September 1, 1891 Cleat for Electric Wires
Cleat (apparently licensed to General Electric)
BALL, Henry Price
Cleat  
U Specimen known 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 Specimen known 450,708 April 21, 1891 Insulator
Lightning rod insulator
CREIGHTON, Theodore
Lightning Rod Insulator  

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