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292 Matching Results
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292
Engine Valve Mechanism
Patent for an engine valve mechanism. This invention is a "class of steam engines wherein the cylinder-inlet and exhaust-ports are controlled by separate and distinct values." Illustration included.
Date:
September 5, 1905
Creator:
Moore, Ezra G. & Moore, Frank T.
Object Type:
Patent
System:
The Portal to Texas History
Screw-Gearing
Patent for screw-gearing for motors, particularly motors for fans or similar objects, including illustrations.
Date:
September 18, 1900
Creator:
Paker, Oren A.
Object Type:
Patent
System:
The Portal to Texas History
Spring-Wheel
Patent for a wheel supported by spring spokes. Illustrations included.
Date:
September 24, 1912
Creator:
Hudson, Alexander S.
Object Type:
Patent
System:
The Portal to Texas History
Plunger.
Patent for a plunger for water and oil wells, which will withstand heavy use.
Date:
September 14, 1909
Creator:
Karnes, Harry E.
Object Type:
Patent
System:
The Portal to Texas History