UNT Libraries Government Documents Department - 7 Matching Results

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Rail-Joint.

Description: Patent for improvements to the joints for railway rails to prevent "bumping of the wheels against the ends of rails and the cross ties adjacent to the joints" (lines 16-18) including illustrations.
Date: January 21, 1908
Creator: Adams, Powell O.
Item Type: Refine your search to only Patent

Improvement in Sawing-Machines.

Description: Patent for improved sawing-machine, which can be operated either horizontally or vertically so that trees may be felled and cut up with one machine, the driving mechanism of which is in a protective housing.
Date: January 27, 1874
Creator: Morey, Harvey & Bellah, Samuel H.
Item Type: Refine your search to only Patent

Combined Shaft Holder and Wrench.

Description: Patent for a new and improved shaft-holder and wrench. This design "consist[s] of the arms having their lower ends tapered to form screw-drivers of different sizes, the heads on the upper ends of the arms, the jaws on the heads, and the threaded shaft attached to one of the arms and engaging a tapped aperture in the other arm" (lines 92-98).
Date: January 8, 1889
Creator: Nott, Henry W.
Item Type: Refine your search to only Patent

Cotton-Gin

Description: Patent for improvements that may be added to a cotton gin to facilitate the removal of lint from the saw through the use of air suction, increasing ginning efficiency.
Date: January 5, 1915
Creator: Wooldridge, John
Item Type: Refine your search to only Patent
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