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4 Matching Results
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Clamp.
Patent for a clamp "for use in in connection with hoisting-tackle for raising or lowering well-pipes..."(lines 9-10) that has one side attach to the pipe and the other side be releasable from the pipe.
Date:
April 9, 1907
Creator:
Danforth, Joseph B.
System:
The Portal to Texas History
Combined Safety-Valve and Waste-Cock.
Patent for a combined safety valve and waste cock for cooling engines.
Date:
April 26, 1910
Creator:
Fell, Julius P.
System:
The Portal to Texas History
Insect Destroyer
Patent for an insect destroyer. Illustration included.
Date:
April 4, 1905
Creator:
Moore, Isham S. & Pace, Azie E.
System:
The Portal to Texas History
Car-Coupling.
Patent for improvement in automatic car-couplings “in which the coupling-pin (worked by a rope or chain) is guided in a vertical tube extending upward from the draw-head, and is supported in position for coupling by a block sliding with the draw-head,” (lines 9-14) includes illustration.
Date:
April 14, 1891
Creator:
Angerstein, John F.
System:
The Portal to Texas History