Resource Type
Degree Department
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States
Results:
1 - 24 of
543
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Boring-Tool.
Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date:
January 4, 1921
Creator:
Adams, George Reese.
System:
The Portal to Texas History
Attachment for T-Stands
Patent for improvement of T stands, which includes a vertical rod that makes attachment and removal easier.
Date:
August 2, 1921
Creator:
Adamson, John Selden
System:
The Portal to Texas History
Tractor
Patent for an improved tractor where the "propelling force is delivered through traction blocks...(lines 11-12)."
Date:
March 22, 1921
Creator:
Aerl, Van Vivian
System:
The Portal to Texas History
Process of Heating Oil-Retorts and Apparatus Therefor.
Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date:
August 16, 1921
Creator:
Alexander, Clive M.
System:
The Portal to Texas History
Rock-Drill
Patent for a rock drill design for quick drilling.
Date:
August 16, 1921
Creator:
Alford, Allen
System:
The Portal to Texas History
Vehicle-Wheel
Patent for new and useful improvements to the Vehicle-Wheel. Tire may be formed into a disk wheel constructed with nuts, bolts, rivets, and screws to compensate for any regular and irregular pressure stresses a tire may be subjected to on a road. A further improvement is to provide a more resilient disk wheel to have more durability and longer use on the road.
Date:
April 12, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for a spring cushioned tire. The springs are positioned between the wheel ferry and the tread.
Date:
August 30, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for a vehicle wheel with a tire that is improved with a spring cushion.
Date:
January 4, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for improving vehicular tires by making them more durable for heavier vehicular use.
Date:
August 30, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Automatic Sand Trap
Patent for an automatic sand trap related to automatic devices for separating suspensions into two products and is concerned with the separation of sand from water for dam building and like purposes.
Date:
April 12, 1921
Creator:
Allen, Charles
System:
The Portal to Texas History
Automatic Separator and Evaporator.
Patent for an improved automatic separator and evaporator which controls the intake with an included air-lift or jet-ejector, including illustrations.
Date:
April 5, 1921
Creator:
Allen, Charles
System:
The Portal to Texas History
Feed Spout Barrier
Patent for "a feel spout barrier for slime thickeners, settling tanks, separating tanks and the like" (lines 8-10) with instructions and illustrations.
Date:
April 12, 1921
Creator:
Allen, Charles
System:
The Portal to Texas History
Pneumatic Tire
Patent for pneumatic tire (for use on motor vehicle wheels) with application to inner tubes that are employed within the outer casing of tire. Tire provides self-sealing inner tube for piercings or punctures.
Date:
November 29, 1921
Creator:
Allyn, Harley H.
System:
The Portal to Texas History
Wheel-Operated Lift Mechanism
Patent for a wheel operated lift mechanism designed for agricultural implements with wheels which can raise the frame of the agricultural implement for easy access to the wheel. This tool is adjustable to raise or lower the frame for easy access to the wheel to disconnect it.
Date:
May 17, 1921
Creator:
Altgelt, Herman E.
System:
The Portal to Texas History
Cotton Picking Apparatus.
Patent for cotton-picking apparatus. This apparatus supports complete removal of the cotton from plant without foreign objects or harm to plant.
Date:
November 8, 1921
Creator:
Alvin, Alleyne D.
System:
The Portal to Texas History
Gearing.
Patent for a speed transmission device that simply and efficiently changes the gears in an automobile especially at fluctuating speeds.
Date:
September 13, 1921
Creator:
Anderson, Bert
System:
The Portal to Texas History
Valve Structure
Patent for valve improvements in controlling the flow of fluids under high pressure.
Date:
August 30, 1921
Creator:
Anderson, Jalmer
System:
The Portal to Texas History
Fuse Block
Patent for improvements to Patent No. 1113528. Invention provides a fuse block where the fuses can be replaced by a lineman without being in close proximity to the primary circuit wires. Invention also allows various types of fuses to be used.
Date:
May 3, 1921
Creator:
Anderson, Lou Belle
System:
The Portal to Texas History
Process For The Reduction Of Iron And Lead Ores.
Patent for a process that reduces iron and lead ores. This is done through two distinct combustion processes, the first of which converts the fuel and oxygen into carbon dioxide and the second process which produces carbon monoxide, that can produce iron or steel of different grades.
Date:
June 14, 1921
Creator:
Anderson, Robert J.
System:
The Portal to Texas History
Process for Converting Sodium Sulfate to Sodium Sulfid.
Patent for converting sodium sulfate to sodium sulfid, it is a process conversion of chemical compounds sodium sulfate to sodium sulfid.
Date:
November 22, 1921
Creator:
Anderson, Robert James
System:
The Portal to Texas History
Mortising Machine.
Patent for a new mortising-machine attachment for lathes or boring mills, designed to securely attach a bracket, hollow chisel, and boring bit to the machine, allowing for adjustable positioning to match the machine's work support.
Date:
October 25, 1921
Creator:
Andrews, Alluwee C.
System:
The Portal to Texas History
Safety-Casing Clamp
Patent for a tool that supports the drilling and operating of oil and gas wells. Specifically, the patented tool allows a strong method of sealing the smaller casing inside the larger casing, as the larger casing is pulled out of the well. Includes illustrations.
Date:
March 15, 1921
Creator:
Angus, William M.
System:
The Portal to Texas History
Cotton-Chopper.
Patent for effective removal of cotton plants in an alternating pattern with a standard chopping depth, distance, and speed, with illustrations.
Date:
June 28, 1921
Creator:
Antoni, Ernst J.
System:
The Portal to Texas History
Detachable Inside Door-Lock.
Patent for a detachable inside door-lock. This is a simple locking device that can be applied and removed from any type of door. The purpose is to make a room private and burglar proof.
Date:
September 6, 1921
Creator:
Arledge, Elbert H.
System:
The Portal to Texas History