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6 Matching Results
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Aeroplane.
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
System:
The Portal to Texas History
Automobile-Spring.
Patent for improvements in automobile-springs, specifically a means of suspending the front and rear springs of an automobile and cushioning and absorbing shocks.
Date:
July 5, 1921
Creator:
Jones, George Chester & Jones, George C.
System:
The Portal to Texas History
Combined Cotton Chopper and Cultivator.
Patent for improved combined cotton choppers and cultivators where the operation of the chopper blades can be instantly controlled from the seat. This is combined with the cultivator shovels carried on the machine to the rear of the revolving chopper blades that are used to cultivate the soil.
Date:
February 21, 1922
Creator:
Whitaker, George
System:
The Portal to Texas History
Tire-Oven.
Patent for a device that heats wagon and buggy wheel tires that will warm them evenly.
Date:
June 29, 1920
Creator:
Howlett, Isaac C.
System:
The Portal to Texas History
Pipe-Puller.
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.
System:
The Portal to Texas History
Detachable Fastener for Cylindrical Screens.
Patent for a more efficient and effective seeding device that can disconnect, reconnect, and fasten the ends of a strip of material to form a cylinder.
Date:
July 20, 1920
Creator:
Leach, William Logan
System:
The Portal to Texas History