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Break-Out Pin.

Description: Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Concrete Form.

Description: Patent for a circular concrete form. The form is adjustable and allows nesting for storage and transport.
Date: October 17, 1922
Creator: Harris, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Core-Barrel.

Description: Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date: October 14, 1919
Creator: Humason, Granville A. & Childs, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Automobile-Top.

Description: Patent for an improvement on automatic automobile-tops. The primary objective is that when in inoperative positions, the actuated drum neatly appears as a weather proof roll. Another objective is to provide side curtains so that the vehicle may be closed on all sides.
Date: October 1, 1918
Creator: Montroy, Phiip A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automobile-Signal

Description: Patent for a device to indicate the intention to make a turn in an automobile, with improvements made for nighttime usage, including illustrations.
Date: October 22, 1918
Creator: Illingworth, Sam
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Antifriction Hollow-Tube Sucker-Rod for Deep Wells

Description: Patent for a "simple and inexpensive means for coupling the tubular sections of the sucker rod together and guiding said rod with little or no friction into the well casing or tube" (lines13-17). This object is to be used in "pumping water, oil, and other liquids from deep wells"(lines 11-12).
Date: October 15, 1918
Creator: Black, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cork-Puller

Description: Patent for a cork-puller which eases the removal of a cork from a bottle, without damaging either cork or bottle, with illustrations.
Date: October 15, 1918
Creator: Moser, Jacob W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air Pump

Description: Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.
Date: October 28, 1919
Creator: Keating, P. W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Hoe and Planter

Description: Patent for improving on the design of devices that combine a hoe and a planter for the purpose of properly placing a seed at the cutting edge of the hoe.
Date: October 22, 1918
Creator: Combs, Asa Z.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Chain-Lock.

Description: Patent for an improvement in chain-locks. The improvement locks one end of a log chain to a car so that it cannot be accidentally released.
Date: October 1, 1918
Creator: Clarkson, Jay Caleb.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bearing for Crank-Shafts.

Description: Patent for an improvement for Bearings for Cranks Shafts. This invention provides a means for "tightening the bushings of the bearings easily and quickly when necessary" (lines 9-13).
Date: October 22, 1918
Creator: Blumberg, Hamilton G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Aeroplane-Kite.

Description: Patent for a new aeroplane-kite which can be "readily dismantled and folded for shipping and easily assembled and placed in position for flying without the use of numerous fastenings and detachable parts, thereby making for simplicity and practicability" (lines 12-17). Also includes wind tunnels and a fuselage frame which is so easily assembled that a child can do it.
Date: October 19, 1920
Creator: McLaughlin, James T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Cleaner

Description: Patent for a cotton-cleaner with beveled beaters attached to a central shaft. The shape of the beaters and rotation push the cotton outwards and downwards, thus preventing the cotton from clogging or collecting around the central shaft. Patent includes illustrations.
Date: October 26, 1920
Creator: Stacy, Grover C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air-Pump.

Description: Patent for a new and improved air pump capable of releasing air from the cylindrical casing in one motion. The updated design will also eliminate any lubricating oil from leaking into a tire.
Date: October 19, 1920
Creator: Lawley, Ira
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combination Muffler and Air-Heating Device

Description: Patent for improvement for the muffler to silence the explosive exhaust of the internal combustion engines and to heating fresh air in facilitating the carburetion of liquid fuel oil to a combustible gaseous mixture.
Date: October 8, 1918
Creator: Rinehart, Thomas M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bed-Cover Holder

Description: Patent for bed cover holder, particularly the clamping mechanism that holds the covers to the bed and allows the clamps to grasp "covers of different thicknesses" (lines 25-26) without requiring clamp adjustment.
Date: October 29, 1918
Creator: Hillman, Emmie
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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