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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 agricultural machines to "permit the chopper to pass predetermined plants during the operation of the machine through a planted field." (lines 13-16)
Date:
June 15, 1920
Creator:
Hart, Granville M. & Wall, James Edgar
System:
The Portal to Texas History
Shocker.
Patent for improving automatic grain shockers and cappers by adding adapted frames, with illustrations.
Date:
June 15, 1920
Creator:
Groves, Charles H.
System:
The Portal to Texas History
Silo
Patent for a silo that is constructed in sections, making transport more efficient.
Date:
June 15, 1920
Creator:
Comer, John H.
System:
The Portal to Texas History
Seed-Selecting Mechanism.
Patent for seed selecting mechanisms that plants or drops two seeds at the same time and can be attached to the hopper of a planter.
Date:
June 15, 1920
Creator:
Vest, Robert A.
System:
The Portal to Texas History
Fuel-Valve Lock for Motor-Cars.
Patent for a fuel shut-off valve for motor cars. The device would prevent fuel from flowing from the tank to the engine with the turn of a key, preventing the vehicle from being stolen.
Date:
March 15, 1921
Creator:
McQueen, Roy O. & Batson, Joseph A.
System:
The Portal to Texas History
Cultivator Tongue
Patent for a a tongue that can be connected with a cultivator where the free lateral swinging of the tongue and the cultivator can be induced.
Date:
June 15, 1920
Creator:
Franklin, Iva A. & Mangum, Sam E.
System:
The Portal to Texas History
Current-Motor.
Patent for a current motor in which water wheels are employed to drive electric generators. The design provides for pontoons to allow the water wheels to be adjustably supported. Constructed in sections, additional sections can easily be added and bracing is included so that the units can be configured to rise and fall together.
Date:
February 15, 1921
Creator:
Rebman, Johan J.
System:
The Portal to Texas History
Crank-Axle Adjustment.
Patent for a crank axle adjustment "to simplify and produce and efficient crank axle that will efficiently perform its function in connection with the general structure of a plow or cultivator." (lines 13-17)
Date:
June 15, 1920
Creator:
Kopplin, Otto E.
System:
The Portal to Texas History
Aeroplane.
Patent for aeroplane construction to include improvements to air motor protection to minimize resistance and the use of air cups to direct the full force of air to the motor shaft, including illustrations.
Date:
November 15, 1921
Creator:
Smith, Joseph A.
System:
The Portal to Texas History
Coin-Wrapping Device.
Patent for a coin wrapper (primarily used in banks) that uses a strip of carbon paper to create an imprint of the coins contained inside, which will remain after the coins are removed. The purpose of this is to create a record of the original number of coins to facilitate their counting and verification.
Date:
November 15, 1921
Creator:
Mohr, Arthur D.
System:
The Portal to Texas History
Well-Drill Wrench.
Patent for a well drill wrench that improves upon William Ellinger's patent 1,327,379, issued January 6, 1920. This improvement eliminates friction between the rotatable and stationary parts of the wrench and ensures that the rotatable part is fully supported during its entire rotation, "as when screwing or unscrewing the drill bit" (lines 109-110).
Date:
November 15, 1921
Creator:
Ellinger, William H.
System:
The Portal to Texas History
Snowplow.
Patent for a new snowplow design for use at the front of a motor vehicle, steam car, or electric car. The snowplow is triangular in shape, and has sides that can be adjusted vertically, to increase the height of the plow.
Date:
November 15, 1921
Creator:
Jezova, Mary
System:
The Portal to Texas History
Steering Attachment for Automobiles
Patent for a steering attachment for automobiles, more specifically automobiles of Ford. This invention helps to provide stiffer friction for the steering wheel which provides stability when the driver no longer has a grip on the steering wheel. This helps keep the steering wheel from veering off and stays on track.
Date:
November 15, 1921
Creator:
Balmos, Edward J.
System:
The Portal to Texas History
Cotton Separator
Patent for Cotton Separator, The invention relates to improvements in the mechanism for pneumatically elevating or transporting materials of certain classes. It was primarily designed for the handling of cotton but is also adapted for use with other materials more or less analogous, which require to be elevated or transported for any one of several purposes.
Date:
November 15, 1921
Creator:
Garner, James C.
System:
The Portal to Texas History
Churning Device
Patent for an improved churning device that provides a carrier for the churning receptacle, making manufacturing cheaper and operation easier.
Date:
June 15, 1920
Creator:
Thompson, Robert A. & Morris, Lute P.
System:
The Portal to Texas History
Axle Lubricator.
Patent for axle lubricator. This invention makes it so that manual lubrication of spindles is eliminated.
Date:
November 15, 1921
Creator:
Bass, Thomas G.
System:
The Portal to Texas History
Cotton-Cleaner and Boll-Breaker.
Patent for cotton cleaning and boll-breaking apparatus that simplifies assembling, disassembling, and adjusting parts. The apparatus uses a suction that feeds the material into the rotating blades for cleaning. Special features include removable screen frames, refuse collecting pockets, and replaceable blades.
Date:
November 15, 1921
Creator:
Stacy, Grover C.
System:
The Portal to Texas History
Collapsible Bench.
Patent for a collapsible bench that improves the structure of general work benches by folding together when not being used.
Date:
June 15, 1920
Creator:
Danyluk, Iwa
System:
The Portal to Texas History