Texas Patents - 4 Matching Results

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Pump

Description: Patent for a pump whereby for use with deep wells. Pump uses relate to oil, water, sand and other articles. Illustration included.
Date: January 1, 1907
Creator: Butler, Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Valve-Motion.

Description: Patent for "a variable cut-off valve-motion, and has for its object to provide simple and efficient and at the same time readily adjustable means for varying the points at which the ports communicating with the cylinder of a locomotive or other engine are opened and closed, in accordance with the load, the desired speed, &c." (Lines 8-15) Includes instructions and illustrations.
Date: January 1, 1895
Creator: Shelb, Peter J.
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Partner: UNT Libraries Government Documents Department

Wire-Tightener.

Description: Patent for a wire-tightener that stretches "the wire after it has been secured to the post, and to take up any slack which may exist therein, owing to causes arising subsequent to the first stretching of the wires" (lines 10-13). It has similar features of other wire-tightener but is simple and efficient.
Date: January 1, 1895
Creator: Glenn, John William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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