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Elevator-Wrench

Description: Patent for an improvement in elevator wrenches. The device is meant to be used with rotary drilling machines for "supporting the drilling the drill pipe and for holding it from rotation during the releasing of the several joins of the pipe when it is necessary to withdraw the drill from the well hole."
Date: October 13, 1914
Creator: Lebus, George Franklin
Partner: UNT Libraries Government Documents Department

Railway Car

Description: Patent for a railway car. Illustration included.
Date: November 14, 1905
Creator: Brownfield, James Garrett
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a cotton chopper, which can operate in uneven soil and attaches to a cultivator.
Date: July 28, 1908
Creator: Allen, John W.
Partner: UNT Libraries Government Documents Department

Cotton-Seed Linter

Description: Patent for an improvement "to prevent the accumulation of lint within the lint-chambers; to provide for the automatic discharge of the lint from the saw-teeth; to provide for a thorough agitation of the seed within the seed-reviews, and, finally, to provide for the delivery of the stripped seed from the machine" (lines 12-19).
Date: August 5, 1890
Creator: O'Brien, Edward J.
Partner: UNT Libraries Government Documents Department

Freezing-Plug.

Description: Patent for freezing plug. This device prevents pipes from bursting when frozen.
Date: November 2, 1915
Creator: Howell, John W.
Partner: UNT Libraries Government Documents Department

Governor

Description: Patent for Governor that improves upon a speed controlling mechanism, specifically for controlling a reciprocating element like an engine piston, including illustration and instructions. This application is a division of an earlier application (Serial Number: 843, 812 submitted June 08, 1914).
Date: June 29, 1915
Creator: Burrow, Edgar A.
Partner: UNT Libraries Government Documents Department

Engine.

Description: Patent for new steam engine design with illustrations
Date: June 29, 1915
Creator: Burrow, Edgar A.
Partner: UNT Libraries Government Documents Department

Valve-Gear.

Description: Patent for a horizontally arranged cylinder that when used would bear no wear indefinitely. The cylinder was made specifically for steam engines.
Date: June 29, 1915
Creator: Burrow, Edgar A.
Partner: UNT Libraries Government Documents Department
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