Texas Patents - 6 Matching Results

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Hanging Millstones.

Description: Patent for improvement of hanging millstones using a driver to hang the runner of a pair of millstones, “as it rotates, adjust itself to the position of the stationary stone, and the parallelism of the faces of the two stones be preserved whether the stationary one be perfectly horizontal or not” (lines 19-24), including illustration.
Date: May 29, 1860
Creator: Dance, G. P.
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Partner: UNT Libraries Government Documents Department

Hoisting Drum

Description: Patent for improvements to hoisting drums for use in drilling oil, gas, and water wells, with the object being "to employ a plurality of hoisting drums upon the same shaft so that the cable may be wound partly on one drum and partly on another" (lines 73-76) such that the danger of cable cutting is decreased and the speed of operation is increased, including illustrations.
Date: May 2, 1922
Creator: Suman, John R. & Gamble, Adrian R.
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Partner: UNT Libraries Government Documents Department

Pipe-Cutter

Description: Patent for improved pipe cutters that indicate when a pipe has been completely severed inside of a well
Date: May 11, 1920
Creator: Wright, John F.
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Partner: UNT Libraries Government Documents Department

Pump-Strainer.

Description: Patent for a pump-strainer that cleans and separates water or other liquid that is drawn from wells or reservoirs.
Date: May 28, 1895
Creator: Durant, George W.
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Partner: UNT Libraries Government Documents Department

Sash-Fastener

Description: Patent for improving the design so that when it is closed it forms loops for holding the window's curtains, while also being inexpensive and strong.
Date: May 7, 1901
Creator: Durant, George W.
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Partner: UNT Libraries Government Documents Department
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