8 Matching Results

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in subjects: "tools"  
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Clamp.

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Holder for Mechanics' Rules.

Description: Patent for a wearable holster for a mechanics' ruler. It aims to protect the ruler, make it easier to carry and is quickly removable. Including illustration.
Date: August 15, 1905
Creator: Whitby, Joseph P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Feed-Trough

Description: Patent for feed trough. This is an improvement to the feed trough which already exists. This trough is "cylindrical in form" and allows for easier and cleaner access for those tending to the animals.
Date: November 24, 1914
Creator: Fechner, Albert H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shade-Adjuster.

Description: Patent for a new shade adjuster to allow for a fixed adjuster and detachable portion for attaching shade, including illustrations.
Date: June 16, 1914
Creator: Fechner, Albert H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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