UNT Libraries Government Documents Department - 516 Matching Results

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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.

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.

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.

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

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.

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.

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.

Cultivator Attachment dated October 8, 1918

Description: Patent for cutting cotton and maintaining it at a certain height. This can be mounted to different cultivators without any need of change or alteration.
Date: October 8, 1918
Creator: Fletcher W. Vaughn

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.

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

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.

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.

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.

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.

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

Automatic Gas Control for Gas Water-Heaters.

Description: Patent for an automatic control for instantaneous water heaters to control a supply of water and simultaneously an automatic supply of gas to the heater.
Date: October 7, 1919
Creator: Hamilton, Paul H.

Cigar-Holder.

Description: Patent for a cigar holder with improved clutching that prevents the cigar from slipping out of the holder when it becomes moist. The clutches are constructed to allow it to hold cigars or any size or shape.
Date: October 1, 1918
Creator: Mathison, Andrew A.

Brace Attachment For Seats

Description: Patent for diver stability and control of heavy machinery like cultivators, mowers, etc. Is designed to attach to all machine seats and adjust to a driver's leg or thigh; it also functions as a foot rest.
Date: October 29, 1918
Creator: Hart, Henry, C., Sr.

Car-Door Seal.

Description: Patent for a lockable seal to be affixed to doors of passenger cars.
Date: October 20, 1916
Creator: Wright, Memory G.

Air-Brake for Automobiles

Description: Patent for air-brakes in automobiles. It is a system that replaces fluid braking systems with an air-based braking system.
Date: October 29, 1918
Creator: Daniel, Wiley Eugene

Core-Discharge Apparatus.

Description: Patent for an Improvement in Core-Discharge Apparatus. It is meant to be used in connection with core drills in well or mine drilling. This improvement is meant to be carried to the surface by an air-lift pump.
Date: October 1, 1918
Creator: Carhichael, Robert E.

Compound Valve

Description: Patent for an invention with improvements of devices that employed for controlling the flow of liquid under high pressure which simplify and improve the construction.
Date: October 28, 1918
Creator: Cherry, Joseph C.
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