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4 Matching Results
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Aeroplane
Patent for an aeroplane. This invention does not use any mechanism to maintain the planes equilibrium. Illustration included.
Date:
November 5, 1912
Creator:
Goebel, Alois
System:
The Portal to Texas History
Whip-Socket
Patent for a whip-socket that locks the whip in place.
Date:
November 26, 1912
Creator:
Clark, Isom J.
System:
The Portal to Texas History
Filter and Water Purifier.
Patent for a new and improved water filter. This design consists in "[t]he combination of a water-pump having upwardly-opening valves, an air-pump having downwardly-opening valves, and two perforated cylinders surrounding the pump-tubes and provided with a packing of filtering material, the water-pump tube opening into the inner cylinder, and the pump-tube passing entirely through both heads of the same" (lines 61-68).
Date:
November 26, 1889
Creator:
Stiles, Frederick
System:
The Portal to Texas History
Safety-Truck for Cars
Patent for safety trucks for railway cars to help prevent the derailment of cars.
Date:
November 22, 1892
Creator:
Moore, George Wash.
System:
The Portal to Texas History