Texas Patents - 4 Matching Results

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Aeroplane.

Description: Patent for a new and useful airplane that provides the ability of the aircraft to take off from the ground at an abrupt angle. The aircraft has a supplemental propeller and jointed body to direct the machine upward in an abrupt ascent, making it especially useful in wooded areas or where obstructions prevent normal take-off.
Date: February 3, 1920
Creator: Cartwright, Andrew
Partner: UNT Libraries Government Documents Department

Pipe-Puller.

Description: Patent for a device that is specially designed for pulling or lifting a drill stem that is "stuck" in a bore well.
Date: May 18, 1920
Creator: Simmons, John T.
Partner: UNT Libraries Government Documents Department

Tire-Oven.

Description: Patent for a device that heats wagon and buggy wheel tires that will warm them evenly.
Date: June 29, 1920
Creator: Howlett, Isaac C.
Partner: UNT Libraries Government Documents Department
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