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Pump.

Description: Patent for a pump designed to draw liquid, such as oil, from a well.
Date: June 14, 1921
Creator: Jones, Oceola
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Process of Treating Wood.

Description: Patent for less expensive chemical wood treatment that will not leach out, will make wood more durable, and preserve wood for multiple uses including marine construction.
Date: August 23, 1921
Creator: Chandler, Asa C. (Asa Crawford), 1891-1958
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railroad-Crossing Shock-Absorber.

Description: Patent for railroad crossings to protect the rails from contact with the vehicle wheels and to absorb the jar and vibration from passing vehicles over the crossing.
Date: June 15, 1920
Creator: Hargrave, Russell R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Excavating Bucket.

Description: Patent for an "excavating bucket designed for use in connection with an excavating machine" (lines 10-12).
Date: December 5, 1922
Creator: Dyke, Samuel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fishing-Tool

Description: Patent for a fishing tool that is "light, and of simple construction... (line 37)." The fishing tool is also meant to be let down into well bores without the rods or tubing getting stuck and automatically locks.
Date: December 21, 1920
Creator: McMillian, John F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Elevator.

Description: Patent for an elevator used to lift pipe and other similar objects, the invention is designed to help drilling operations for oil wells.
Date: January 20, 1920
Creator: Steen, Buford J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Piston.

Description: Patent for improvements in pistons (also called follower heads) for pump cylinders that are more designed for oil wells. The principal object of this invention is to provide a means for renewing parts of the head to restore the same to its original diameter after it has become worn and loose.
Date: January 13, 1920
Creator: Miller, William James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil Burner.

Description: Patent for a new oil burner which is designed to burn oil for fuel has a flared nozzle and can be cheaply made and repaired.
Date: July 25, 1922
Creator: Decuir, Joseph O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil Well Screen.

Description: Patent for a new oil-well screen that prevents sand from entering an oil or water well but will allow oil and water through.
Date: February 14, 1922
Creator: Dobson, John A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mop

Description: Patent for "a simple and durable construction of mop in which the fibre holding element consists of strands of twisted wire" (lines 9-11) designed such that the mop maintains its shape with or without the handle, including illustrations.
Date: June 20, 1922
Creator: Welch, James. S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Penholder.

Description: Patent for a simplified construction of a pen holder which is inexpensive to manufacture. It detachably engages the pen point, prevents rusting and sticking. Releases pen point without user needing to grip, therefore avoiding sullying fingers.
Date: June 22, 1920
Creator: Baldwin, Charles E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Perforator

Description: Patent for pipe-perforator made for well screens. This perforator is designed to provide staggered rows of perforations.
Date: November 29, 1921
Creator: Dunsworth, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mattress-Support.

Description: Patent for a new device that will improve mattress support, including illustrations. It is "designed to take the place of the ordinary spring now in common use and it is formed of inflatable units arranged to be inflated by the use of air, hot or cold water or other similar fluids" (lines 11-15).
Date: September 21, 1920
Creator: Monks, Frederick I.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Peanut-Harvester

Description: Patent for a peanut-harvester, which consists of a frame with forward and rear axles, wheels attached to the rear axles, and forward-projecting arms fastened to a platform. The platform and wheels are adjustable and can be raised and lowered. Patent includes illustrations.
Date: November 9, 1920
Creator: Goodrum, Thomas J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Roller for Cotten-Gins.

Description: Patent for an improved cotton gin roller, to separate cotton fibers from cotton seeds. Made with a hollow design to prevent the device from becoming too hot during use.
Date: March 1, 1921
Creator: Tischer, Edward R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Furnace.

Description: Patent for a furnace capable of burning rice hulls, sawdust, chaff, and more "in connection with the boiler for generating steam and which will entirely consume such products without contaminating the surrounding air with the ashes given off" (lines 31-34).
Date: March 9, 1920
Creator: Ewing, William E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Furniture Polish

Description: Patent for a furniture polish, in liquid compound form, for use in cleaning and polishing furniture, vehicles, woodwork, and other similarly coated or enameled surfaces.
Date: December 28, 1920
Creator: James, John F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Elevator.

Description: Patent for a new and improved design of elevators "for the purpose of preventing accidents" (lines 26-27) by locking the entrance doors while the elevator is moving, including illustrations. It is designed to be used by passengers but can also be adapted to be used as a freight elevator.
Date: November 23, 1920
Creator: Williams, George M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for a cotton-chopper with two moveable, adjustable cutting apparatuses, which is operated using the foot. One of the cutters moves along the path of travel of the device and the other is stationary, as to prevent the chopper from pulling the cotton plant from the ground while cutting. Patent includes illustrations.
Date: October 5, 1920
Creator: Dawson, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shock Absorber

Description: Patent for a new and improved shock absorber which is "primarily intended for use as a connecting and cushioning medium between the upper and lower springs commonly employed under automobile bodies" (lines 12-15), including illustrations.
Date: November 28, 1922
Creator: von Roeder, Benno Gilbert & Oates, Eugene Caroway
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Signal-Light.

Description: Patent for "new and useful improvements in Signal-Lights." (lines 5-6) and "relates to improvements in signaling means." (lines 8-9) including illustrations.
Date: March 16, 1920
Creator: Thomas, Theodore G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rudder-Bar for Aeroplanes.

Description: Patent for improvement in aeroplanes, especially to the steering mechanism which allows for the rudder to be locked in position so the aviator can remove their feet from the steering bar.
Date: May 25, 1920
Creator: McMullen, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety-Razor

Description: Patent for a razor held in place by a guard that protects the user against injury and the razor against dulling. The safety razor is easy to clean and is designed to be "cheaply and easily manufactured" (lines 21-22).
Date: July 5, 1921
Creator: Benton, Columbus A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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