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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1920-00-00' AND date < '1921-00-00') ORDER BY category DESC, date, patent, type

Total of 33 patents found where: Year is 1920

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T / S Patent Date Description Patentee Category Assigned To
 Wall Tube
U 1,342,053 June 1, 1920 Bushing Forming Machine
Machine to manufacture wall tubes and bushings
MCKNIGHT, Oscar W.
Wall Tube Brunt Tile & Porcelain Co.
 Tie Wire
U 1,346,128 July 13, 1920 Device for Attachment of Electric Conductors to Insulators
Tie wire clip
KREBS, Frederick H.
Tie Wire  
U 1,358,521 November 9, 1920 Device for Attaching Wires to Insulators
Tie wire using a double loop of wire
CLARK, Robert L.
Tie Wire  
 Thimble
U 1,328,687 January 20, 1920 Insulator Support
Thimble of metal for multipart insulator
PLIMPTON, Bentley A.
Thimble  
 Suspension
U Specimen known 1,329,770 February 3, 1920 Insulator
Suspension type for J-D
JOHNSTON, Robert M.
Suspension Jeffery-Dewitt Co.
U 1,333,640 March 16, 1920 Electric Insulator
Suspension with bolted on metal cap (Italy)
SEMENZA, Guido
Suspension  
U 1,348,248 August 3, 1920 Disk Suspension Insulator
Suspension, Electrose similar to Hewlett
STEINBERGER, Louis
Suspension  
U Specimen known 1,360,352 November 30, 1920 Insulator
Suspension sanded under cap and pin to improve cement adhesion
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,362,388 December 14, 1920 High Tension Insulator
Suspension or strain of resin rod covered with ceramic to keep rod dry
BLACKWELL, Francis O.
BUCK, Harold W.
Suspension General Electric Co.
U 1,363,673 December 28, 1920 Insulator
Suspension with internal ribbed cap and ribbed pin to improve cement joint
SCHAAKE, William
Suspension Westinghouse Electric & Mfg. Co.
 Strain
D Specimen known 56,262 September 14, 1920 Design for an Insulator
Strain
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
 Pin
U 1,328,732 January 20, 1920 Insulator Pin
Improvement of the Lee pin (see 855,253) to allow adjustment of the insulator
HARMS, Rhinehart W.
Pin The R. Thomas & Sons Co.
U 1,361,948 December 14, 1920 Insulator
Pin with spring wire extending beyond edge of bottom pin hole
WIDMYER, James L.
Pin  
 Piano
U 1,345,987 July 6, 1920 Cushion Support
Square of layered rubber with depression in the center to hold caster wheel from movement
BOCKING, Frederick William
Piano  
 Multipart
R Specimen known 14,888 June 22, 1920 Insulator
Multipart design similar to Faradoid 1,374,998 (reissue of 1,311,067)
GODDARD, Walter T.
Multipart Locke Insulator Mfg. Co.
U 1,360,896 November 30, 1920 Cemented Insulator
Multipart cementing procedure evacuate air from cement, coat with tar
CREIGHTON, Elmer
Multipart General Electric Co.
 Lightning Rod Ornament
D 56,715 November 30, 1920 Design for a Ball for Lightning Rods and Barn Ventilators
Glass ball with spiralling and intersecting grooves on the surface
THOMPSON, George E.
Lightning Rod Ornament  
 Knob
U 1,326,962 January 6, 1920 Sectional Non-Rotative Insulating Knob for Supporting Electric Wires
nail-knob with nail split in the center
POINDEXTER, Alfred M.
Knob  
U Specimen known 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 1,348,249 August 3, 1920 Insulator Knob
Electrose knob
STEINBERGER, Louis
Knob  
U Specimen known 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
 HU
U 1,343,343 June 15, 1920 Fuel Reservoir
Kerosene jar
BRENNEN, John S.
HU  
 Horn
U 1,333,188 March 9, 1920 Manufacture of Hollow Articles from Horn
Manufacture of insulators from animal horn (see 1,227,680)
SEGRE, Mario
Horn  
 Glass
U 1,327,781 January 13, 1920 Process of Extracting Potassium from Potash-Bearing Silicate Minerals
Process of extracting potassium to be used in glass manufacture (see patent 1,312,053; 1,327,782)
SCHOLES, Samuel R.
BRENNER, Ralph F.
Glass  
U 1,327,782 January 13, 1920 Process of Obtaining Combined Potassium from Minerals
Process of extracting potassium to be used in glass manufacture (see patent 1,312,053; 1,327,781)
SCHOLES, Samuel R.
Glass  
 Fuse Holder
R 14,844 April 20, 1920 Fuse Device
Reissue of patent 1,222,952 for fuse holder with plug insert to hold the fuse. (see patent 1,222,952)
HERZ, Alfred
Fuse Holder 1/2 to Edmund O. Schweitzer
 Electrose
U 1,335,801 April 6, 1920 Insulator
Electrose strain (Brown p. 69)
STEINBERGER, Louis
Electrose  
 Bracket
U 1,333,420 March 9, 1920 Insulator Bracket
Bracket that fits around crossarm to support egg-shaped insulators
ILES, Charley S.
Bracket  
U 1,348,534 August 3, 1920 Insulator Bracket
Bracket to attach to a cable to lead a telephone wire down to a building
BEINE, Charles H.
Bracket 1/2 to George C. Brown
U 1,362,038 December 14, 1920 Support for Electric Conductors
Metal strap type support bracket for a pole top to support an insulator.
PLIMPTON, Bentley A.
Bracket  
U 1,362,221 December 14, 1920 Compensating Wire Support
Metal bracket composed of two curved angle supports for three insulators to yield and absorb the strain and weight of telephone and telegraph lines
BLACKMORE, Charles C.
Bracket  
 
U 1,339,391 May 11, 1920 Support for Line Conductors
Bracket with insulator attached to eye formed in the bracket allowing the insulator to swing freely.
HENDEE, Lem E.
   

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