UNT Libraries Government Documents Department - 558 Matching Results

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Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the combination of the draw-heads provided with projections, a coupling-link, an operating-rod loosely connected to each of its ends, and a suitable support or guide through which these rods move . . . The object of [the] invention is to provide a car-coupling in which the two cars are coupled together by means of a link which is provided with an operating rod at each end, both of the rods and the link being atta… more
Date: April 29, 1890
Creator: Campbell, Neil Franklin

Wire-Stretcher.

Description: Patent for "an improved wire stretcher especially adapted for use in localities where trees or other stationary objects from which to pull are scarce" (lines 11-15).
Date: March 29, 1910
Creator: Carnes, John P.

Thill-Tug.

Description: Patent for a simple thill-tug that can be easily connected and disconnected, and is strong and durable. It does not use spring latches, and the device attaches to the harness.
Date: January 29, 1895
Creator: Carton, William

Fence-Machine

Description: Patent for "a machine of this character which will effectively do its work,which will be of great capacity, easy to manipulate, and positive in its desired operation" (lines 11-14).
Date: October 29, 1889
Creator: Channell, Emmet W.

Machine for Welding Tubes.

Description: Patent for a new and improved machine for welding tubes. This design "has relation to machines for welding flues; and it consists in the improved construction and combination of operative parts" (lines 22-25).
Date: August 29, 1882
Creator: Charlton, James

Locomotive Brake-Shoe

Description: Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date: May 29, 1917
Creator: Christensen, Jacob V. C. T.

Calipers.

Description: Patent for calipers that can be adjusted micrometrically to within one five-thousandth of an inch. Includes instructions and illustrations.
Date: June 29, 1897
Creator: Clarke, George R.

Crate.

Description: Patent for a fruit and vegetable crate that is collapsable to facilitate transportation, and has strong corners to enable heavy usage.
Date: August 29, 1922
Creator: Cobb, J.
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