UNT Libraries Government Documents Department - 44 Matching Results

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Anti-Rail-Creeper Tie-Plate

Description: Patent for an improvement in Anti-Rail-Creeper Tie-Plates. This device was designed to prevent rails from wearing into the ties, "creeping longitudinally or moving laterally; also to prevent a rail from canting outwardly."
Date: September 29, 1914
Creator: McCombs, Oliver A.
Item Type: Refine your search to only Patent

Chafing-Iron

Description: Patent for a chafing iron for passenger cars designed to prevent injury to passengers who place their hands in between the irons. Illustrations included.
Date: December 29, 1908
Creator: Labadie, Victor
Item Type: Refine your search to only Patent

Combined Hoe and Edge-Trimmer.

Description: Patent for a tool that combines a how and edge-trimmer in one. The tool "may be conveniently used for trimming the edges of lawns, walks, and flower-beds and which may also be used as a weeding scuffle-hoe and as a sod-cutter" (lines 11-14) including illustrations
Date: August 29, 1905
Creator: Hough, James C. & Oldham, J. B.
Item Type: Refine your search to only Patent

Cotton-Gin.

Description: Patent for a cotton gin that removes lint-cotton from the saws using an air-suction mechanism instead of a brush, which pose a fire hazard and can impair the gin's effectiveness. An air-blast mechanism is also an ineffective method of cleaning lint-cotton from the saws. The air-suction mechanism sucks "the lint-cotton directly from the rear portions of the saw-teeth independently of and without a brush, and an apparatus for preventing the withdrawn lint-cotton from passing into and through the … more
Date: September 29, 1896
Creator: Graber, Henry W.
Item Type: Refine your search to only Patent

Cotton Harvester

Description: Patent for a cotton harvester. This invention is designed to spare cotton pickers the physical demands from stooping and back pains. The design allows pickers to sit on running boards along small trucks drawn behind the wagon. Illustration included.
Date: October 29, 1912
Creator: Marshel, John B.
Item Type: Refine your search to only Patent

Cotton Stalk Puller

Description: Patent for a cotton stalk puller. This invention is a "wheeled farm implement that may be drawn by horse power along a row of cotton stalks and will pull the stalks out of the ground as it passes over them" (line 11-14). Illustrations included.
Date: October 29, 1912
Creator: Marshel, John B.
Item Type: Refine your search to only Patent

Current-Controler or Rheostat.

Description: Patent for an electric-current control or rheostat to be used when a "close, accurate, and absolute graduation of the current is necessary" (lines 15-16), in places "where a very delicate graduation is necessary either in passing the plain galvanic current or where the current is used for producing anesthesia" (lines 19-21).
Date: December 29, 1896
Creator: Werner, Ernest Emil
Item Type: Refine your search to only Patent

Cycle-Car

Description: Patent for a cycle car that can be steered and propelled by hands only and can be used with ordinary bicycles.
Date: November 29, 1921
Creator: {Payne, Luther M.}; {Miller, Lee A.} & {Douglas, John J.}
Item Type: Refine your search to only Patent

Elastic Tire.

Description: Patent for improvements on elastic tires, so that they are solid and secured on rims of wheels laterally and circumferentially, with fastening rings that hold the tires steady with circular movement; includes illustrations.
Date: October 29, 1918
Creator: Avery, John M.
Item Type: Refine your search to only Patent

Electric Arc Lamp.

Description: Patent for a new and improved electric-arc lamp. This design is "for utilizing a part of the magnetic field of the electro-magnet to act as a retarding medium or a brake to the carbon-holder, which consists of a system of gear-wheels provided with a ratchet and pawl . . . actuated from rack-teeth cut in the side of the upper-carbon rod, on the last spindle of which is adjustably secured a disk of soft iron or other magnetic material, so located as to be within the influence of the magnetic fiel… more
Date: March 29, 1887
Creator: Crowdus, Walter A. & Sutton, Henry M.
Item Type: Refine your search to only Patent

Fan Blower

Description: Patent for a fan blower. The invention is designed to provide the maximum amount of air at the minimum amount of power. Illustrations included.
Date: December 29, 1903
Creator: Stukes, John Marion
Item Type: Refine your search to only Patent

Grapple

Description: Patent for a grapple. This invention is designed to engage a building block so as to prevent injury from accidental disengagement. Illustration included.
Date: January 29, 1907
Creator: Smith, George W.
Item Type: Refine your search to only Patent
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