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6 Matching Results
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Dredge-Pump
Patent for new and useful improvements to Dredge-Pumps. The pump is used to draw up sand and gravel from the bottom of a river.
Date:
April 12, 1921
Creator:
Stenberg, Anders Gustaf
System:
The Portal to Texas History
Garment-Hanger.
Patent for a new garment hanger with supported arms that can be folded for storage, including illustrations.
Date:
April 5, 1921
Creator:
Morton, John R.
System:
The Portal to Texas History
Flushing tank for siphon closets.
Patent for flushing tanks to connect to siphon closets that is improvement vacuum
Date:
January 22, 1919
Creator:
Sweeny, John S.
System:
The Portal to Texas History
Valve for Flushing-Tanks.
Patent for a flushing tank valve that reduces the time it takes to fill the tank with a higher accuracy for shut off levels.
Date:
June 21, 1921
Creator:
Sweeny, John S.
System:
The Portal to Texas History
Amusement Device.
Patent for a Ferris wheel in which the passenger cars rotate horizontally in addition to rotating vertically with the direction of the main wheel.
Date:
May 24, 1921
Creator:
Lindamood, Roy S.
System:
The Portal to Texas History
Waiterless Restaurant
Patent for a waiterless restaurant design with electrically operated waiters.
Date:
September 6, 1921
Creator:
Paul, Charles P.
System:
The Portal to Texas History