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27 Matching Results
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Shaft and Pulley Collar.
Patent for a collar for pulleys and shafts with set-screws that protects the set-screws from damage or harming people working with the systems.
Date:
May 14, 1907
Creator:
Beal, Ephaphras Lee
System:
The Portal to Texas History
Pump-Operating Mechanism.
Patent for a pump operating mechanism, which is run by horses going in a circle around the device to power the pump.
Date:
April 27, 1909
Creator:
Siggel, Willie F.
System:
The Portal to Texas History
Cotton-Press Follower-Board
Patent for cotton baling press that provides a detachable follow block.
Date:
May 8, 1917
Creator:
Wuensch, Hearman & Pfeil, Otto
System:
The Portal to Texas History