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1,472 Matching Results
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Break-Out Pin.
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.
System:
The Portal to Texas History
Concrete Form.
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.
System:
The Portal to Texas History
Core-Barrel.
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.
System:
The Portal to Texas History
Automatic Automobile-Top.
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.
System:
The Portal to Texas History
Automobile-Signal
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
System:
The Portal to Texas History
Antifriction Hollow-Tube Sucker-Rod for Deep Wells
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.
System:
The Portal to Texas History
Cork-Puller
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.
System:
The Portal to Texas History
Change-Speed Mechanism for Tractor-Truck Motor-Vehicles
Patent for a machine that can be used either as a truck for traveling over highways or as a tractor for farm work.
Date:
October 28, 1919
Creator:
Miller, William J.
System:
The Portal to Texas History
Cattle-Guard
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.
System:
The Portal to Texas History
Cultivator Attachment dated October 8, 1918
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
System:
The Portal to Texas History
Air Pump
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.
System:
The Portal to Texas History
Automobile-Tire
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
System:
The Portal to Texas History
Combined Hoe and Planter
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.
System:
The Portal to Texas History
Apparatus for Separating or Concentrating Ores.
Patent for an improvement to hydraulic separators used in frothing classification to increase the recovery of larger mineral particles.
Date:
October 21, 1919
Creator:
Cole, David
System:
The Portal to Texas History
Chain-Lock.
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.
System:
The Portal to Texas History
Bearing for Crank-Shafts.
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.
System:
The Portal to Texas History
Attachment for Lister-Cultivators
Patent for improvements in attachments to lister-cultivators. Illustration is included.
Date:
October 12, 1920
Creator:
Degge, Marvin E.
System:
The Portal to Texas History
Battery-Terminal-Fastening Device
Patent for improvements to battery terminal fastening devices. Illustration is included.
Date:
October 12, 1920
Creator:
Hawkins, Alda F.
System:
The Portal to Texas History
Check-Book
Patent for a foldable check book. Illustration is included.
Date:
October 5, 1920
Creator:
Exline, Marcus P.
System:
The Portal to Texas History
Aeroplane-Kite.
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.
System:
The Portal to Texas History
Cotton-Cleaner
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.
System:
The Portal to Texas History
Air-Pump.
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
System:
The Portal to Texas History
Combination Muffler and Air-Heating Device
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.
System:
The Portal to Texas History
Bed-Cover Holder
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
System:
The Portal to Texas History