UNT Libraries Government Documents Department - 81 Matching Results

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Casing-Pulling Device.

Description: Patent for providing a casing pulling device of simple, compact and durable construction that will permit it being lowered into a well casing without being obstructed in its descent by irregularities or bends in the casing so as to ensure proper operation.
Date: 192X
Creator: Carter, George W. & Hayden, R.B.

Lifeboat

Description: Patent for a lifeboat that "prevents the boat from capsizing" (lines 19-20) or sinking.
Date: November 25, 1919
Creator: Rusk, Raymond

Tire-Inflating Pump.

Description: Patent for tire inflating pump. Its purpose is meant to be used to inflate automobile tires.
Date: November 12, 1918
Creator: Lovelace, Charles D.

Automobile-Tire

Description: Patent for the improvement of cushion tires. The improvement produces a more resilient tire, less susceptible to punctures.
Date: October 8, 1918
Creator: Hemphill, Alwynn

Calculating-Machine

Description: Patent for certain new and useful improvements in calculating machines. Whereby substantially correct calculations may be registered or recored without using a series of superfluous or immaterial numbers. The machine will round prices up to the nearest cent. For example, $0.024 becomes $0.02 while $0.025 becomes $0.03. Illustrations included.
Date: March 6, 1917
Creator: Hardgrave, Everett J.

Cotton-Harvester

Description: Patent for a cotton harvester that aides in picking the most difficult part of cotton to pick by hand. Includes instruction and illustrations.
Date: January 30, 1917
Creator: Ford, James

Electric Prod Pole

Description: Patent for electric prodding pole used for corraling animals.
Date: December 26, 1916
Creator: Smith, William A.

Cotter-Pin Puller

Description: Patent for cottor-pin puller that is useful to pull cotter pins that are secured in shafts, fly wheels or any other devices without bending or twisting or damaging them.
Date: October 31, 1916
Creator: Hayden, Jefferson B.

Electrically-Operated Door.

Description: Patent for am electrically-operated door. This device has mechanisms that are when stepped on automatically open and close the door.
Date: August 1, 1916
Creator: Cain, Ira L.

Marker.

Description: Patent for improvement in markers "used in filing and card index cabinets" (lines 6-7).Meant to "provide a light, simply constructed V-shaped device" (lines 11-13), to mark the location of papers or files that have been temporarily moved from a filing system.
Date: July 25, 1916
Creator: Wells, Spencer A.

Gearing

Description: Patent for improvements in gearing, "especially adapted for use in connection with wind mills and other devices" (lines 9-11) including illustrations.
Date: April 11, 1916
Creator: Wiggins, Hundley

Freezing-Plug.

Description: Patent for freezing plug. This device prevents pipes from bursting when frozen.
Date: November 2, 1915
Creator: Howell, John W.

Engine.

Description: Patent for new steam engine design with illustrations
Date: June 29, 1915
Creator: Burrow, Edgar A.

Governor

Description: Patent for Governor that improves upon a speed controlling mechanism, specifically for controlling a reciprocating element like an engine piston, including illustration and instructions. This application is a division of an earlier application (Serial Number: 843, 812 submitted June 08, 1914).
Date: June 29, 1915
Creator: Burrow, Edgar A.

Valve-Gear.

Description: Patent for a horizontally arranged cylinder that when used would bear no wear indefinitely. The cylinder was made specifically for steam engines.
Date: June 29, 1915
Creator: Burrow, Edgar A.

Resilient Wheel.

Description: Patent for a resilient wheel showcasing adjustable or sectional rims. Modification also exhibits lightness quality, balance for proper distribution, and is noiseless with easy running abilities.
Date: February 23, 1915
Creator: Dysart, Marby P.

Sash Fastener

Description: Patent for a fastener of simple, reliable for locking a sash at any given point in its path-of-movement upon the window frame, without the use of springs or any other parts.
Date: October 20, 1914
Creator: Shipman, John Davis

Lawn-Mower.

Description: Patent for lawn mower with special stationary blades; designed to improve the operation of the rotary blades with which the stationary blades come into contact, thus "insuring an easy running, and a perfectly clean and smooth shearing of the grass, and prevent any shock, grinding or clicking, when the contact is made" (lines 8-11).
Date: July 21, 1914
Creator: Clark, Josepsh Chester

Trap-Gun.

Description: Patent for a simple, inexpensive gun with a hook and rod mechanism that can be baited such that if an animal tries to remove the bait the gun discharges killing the animal.
Date: June 2, 1914
Creator: Lovelace, Charles D.

Adjustable and Detachable Bow for Spectacles.

Description: Patent for a temple bow for spectacles which is secured to a lens frame and is adjustable to “accommodate the angle of vision of the wearer” (lines 89-90). The connection joints between the bow and lens frame allows adjustment without bending or twisting the bow, providing a more durable bow and frame.
Date: January 13, 1914
Creator: Blanchard, Edward.

Pump-Filter.

Description: Patent for a pump filter, designed for double acting air pumps, that prevents the passage of foreign matter (oil, dust, dirt) from the pump outlet.
Date: November 25, 1913
Creator: Miles, Ross E.

Windmill

Description: Patent for Windmill Improvements that includes a mounted rotor for horizontal rotation, including illustrations.
Date: June 28, 1913
Creator: Henning, Thomas W.

Spring Axle

Description: Patent for an axle to provide assistance to the wheel to adapt to the irregularities of the surface.
Date: June 10, 1913
Creator: Coggin, Charley J.
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