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17 Matching Results
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Automobile-Signal.
Patent for turn signal improvements with an aim to improve visibility of signal and ease of replacement with the goal of communicating vehicular movement and reducing accidents.
Date:
November 15, 1921
Creator:
Squier, William Ernest
System:
The Portal to Texas History
Calk Attachment For Horseshoes
Patent for new and useful improvements in calk attachments for horseshoes. The objective is to provide detachable means applicable to the conventional types of shoe without any modifications.
Date:
March 29, 1921
Creator:
Douglas, John Davies
System:
The Portal to Texas History
Carbureter
Patent for a carburetor. This carburetor is designed to be used with crude oil, and to be easily constructed and operated.
Date:
September 6, 1921
Creator:
Walker, Sanders
System:
The Portal to Texas History
Boring and Threading Tool.
Patent for an inexpensive, efficient boring and threading tool that "will enable a smooth and even surface to be produced with a minimum of skill on the part of the operator" (lines 18-21).
Date:
June 21, 1921
Creator:
Wells, Daniel Doolittle
System:
The Portal to Texas History
Casing-Pulling Apparatus.
Patent for an apparatus to more easily and more economically remove well-casings from the ground when an oil well is no longer in use.
Date:
November 29, 1921
Creator:
Wilson, John Hart
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
Flour-Milling Machinery.
Patent for flour milling machinery with reduced costs of equipment and operation, less required space, and improved quality and quantity of flour.
Date:
May 10, 1921
Creator:
Smith, George T.
System:
The Portal to Texas History
Pipe Tongs.
Patent for pipe tongs for drilling wells using rotary systems. The tongs are designed to be securely held against the drill stem using a lever, making them simple and economical to manufacture.
Date:
June 28, 1921
Creator:
Hill, Richard 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
Pump-Plunger
Patent for a pump-plunger, concentrating on advancements in the design, particularly catering to deep well operations and environments with challenging conditions, such as oil and water wells where fluids are mixed with sand, sediment, or debris.
Date:
October 18, 1921
Creator:
Miller, Frank J.
System:
The Portal to Texas History
Water-Motor.
Patent for a more powerful and efficient water motor which is durable and comparatively affordable to manufacture.
Date:
August 16, 1921
Creator:
Brady, Enoch J.
System:
The Portal to Texas History
Well-Drill Wrench.
Patent for a well drill wrench that is easily adjustable for different sized drill chucks. Its designs makes rotating the wrench smoother and less likely to slip off of drill chucks.
Date:
November 8, 1921
Creator:
Ellinger, William H.
System:
The Portal to Texas History
Friction Transmission Mechanism.
Patent for improvements toward friction transmission mechanisms. It would eliminate the use of some gears.
Date:
March 28, 1921
Creator:
McDermott, Henry
System:
The Portal to Texas History
Portable Locomotive-Valve-Seating Machine.
Patent for improvements to valve-seating machines that allows for them to be constructed simply.
Date:
July 19, 1921
Creator:
Mooney, James J. & Bennet, Richard E.
System:
The Portal to Texas History
Toy Aeroplane.
Patent for a new and improved toy airplane to be propelled by the feet and steered by the child seated inside, including illustrations. It "is relatively simple and inexpensive to produce, while also being able to withstand considerable rough handling" (lines 26-28).
Date:
March 15, 1921
Creator:
Paul, Leon R.
System:
The Portal to Texas History
Truck.
Patent for an improved truck in which the load can be moved to be easily loaded or unloaded by one person, including illustrations.
Date:
April 19, 1921
Creator:
Ortgier, Walter C.
System:
The Portal to Texas History
Traction Device.
Patent for a traction device to be attached to the wheels of a motor vehicle to provide greater traction than the treads of the wheels. The traction device is meant to attach to and detach from the wheels as needed and to be adjustable to the dimensions of the wheels and their treads.
Date:
July 5, 1921
Creator:
Houston, Hugh Edward
System:
The Portal to Texas History