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Arc-Lamp Headlight

Description: Patent for an electric arc headlight for trains, cars, or boats which produces a steady light and lasts long enough to allow travel over long distances.
Date: February 2, 1909
Creator: Lacy, Benjamin B.
Partner: UNT Libraries Government Documents Department

Air Compressor for Deep Well Pumps.

Description: Patent for a new and improved air-compressor. This design "relates to improvements in air-compressing mechanism for the purpose of pumping for forcing from deep wells and performing similar work; and it consists in the construction and arrangement of a larger and smaller air-cylinder, and the combination therewith of mechanism to force the air from the larger into the smaller cylinder to increase the air-pressure in the latter" (lines 22-30).
Date: August 2, 1887
Creator: Adams, John R.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench. Illustrations included.
Date: June 2, 1908
Creator: Layne, Mahlon E. & Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench. Illustrations included.
Date: June 2, 1908
Creator: Layne, Mahlon E. & Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench. Illustrations included.
Date: June 2, 1908
Creator: Layne, Mahlon E. & Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Valve Remover.

Description: Patent for "an improvement in combination tools...adapted for use with internal combustion engines...mechanism is provided for assisting in valve removing." [lines 8-14]
Date: December 2, 1919
Creator: Ingram, George W.
Partner: UNT Libraries Government Documents Department

Trowel.

Description: Patent for "new and useful improvements in Trowels." (lines 8-9) including instructions and illustrations.
Date: March 2, 1920
Creator: Parker, Barton J.
Partner: UNT Libraries Government Documents Department

Turning-Tool for Bale-Band Fasteners.

Description: Patent for a new and useful turning-tool for bale-band fasteners “which can be readily applied to and removed from the fastener, while at the same time providing positive means for exerting a powerful leverage upon the turning or winding element of the fastener to insure the taking up of a maximum amount of slack in a bale-band with a minimum movement.” (Lines 15-22.) Illustration is included
Date: April 2, 1901
Creator: Campbell, Douglas M.
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock. This lock is designed for a coin fed lock that releases the key for the customer. Illustration included.
Date: June 2, 1908
Creator: Johnson, Randall
Partner: UNT Libraries Government Documents Department

Mechanism for Operating Railway-Switches.

Description: Patent for a device "for automatically operating the switches of steam, electric, and street railways by the movement of a locomotive or car, thereby obviating the necessity of a brakeman, driver, motorman, or other person alighting from the car or train for such purpose" (lines 12-18).
Date: July 2, 1895
Creator: Moore, Albert R.
Partner: UNT Libraries Government Documents Department

Tool-Joint

Description: Patent for tool joints to be used in detachable connection between lengths of pipe. Specifically used with drill pipe for drilling deep wells for oil, gas, or water.
Date: August 2, 1921
Creator: Thomas, Avery H.
Partner: UNT Libraries Government Documents Department

Tourist's Glasses.

Description: Patent for tourist's glasses which include a compass, a mirror, and binoculars which fold up into a compact case and includes adjustable lenses.
Date: February 2, 1909
Creator: Faerhrmann, John M.
Partner: UNT Libraries Government Documents Department

Hammock.

Description: Patent for a new and improved hammock. This design "is to provide a . . . hammock which is simple and durable in construction, very comfortable, and yielding to the motion of the body, at the same time avoiding the catching of buttons on the dress, as is frequently the case with hammocks having meshes. The invention consists of a number of slats, each provided at its ends with a transverse aperture, through which passes a cord or wire for holding the slats together to form the hammock" (lines 7… more
Date: October 2, 1888
Creator: Norris, Barry A.
Partner: UNT Libraries Government Documents Department

Method of Cleaning Ginned Cotton

Description: Patent that "is in a ready, simple, thoroughly feasible, and practical manner to clean ginned cotton while passing from the gin to the condenser and to eliminate therefrom all objectionable matter." (line 10-14)
Date: June 2, 1903
Creator: Rembert, Henry
Partner: UNT Libraries Government Documents Department

Hoisting Drum

Description: Patent for improvements to hoisting drums for use in drilling oil, gas, and water wells, with the object being "to employ a plurality of hoisting drums upon the same shaft so that the cable may be wound partly on one drum and partly on another" (lines 73-76) such that the danger of cable cutting is decreased and the speed of operation is increased, including illustrations.
Date: May 2, 1922
Creator: Suman, John R. & Gamble, Adrian R.
Partner: UNT Libraries Government Documents Department

Fence-Post

Description: Patent for a plastic fence post for use with wire fences that has pre-made openings for the wires to go into to and attach to the fence post.
Date: July 2, 1907
Creator: Crum, William H.
Partner: UNT Libraries Government Documents Department

Roller Boring-Drill

Description: Patent for a roller boring drill in which "the cutting rollers are arranged on the drill in a novel manner." Object of invention is to keep the drill centered in the hole to prevent wobbling.
Date: March 2, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Roller Boring-Drill

Description: Patent for roller boring drill that provides the cutting device to maintain clearance of the drill-head and can be adjusted to compensate for wear.
Date: March 2, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department
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