UNT Libraries Government Documents Department - 94 Matching Results

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Agricultural Implement

Description: Patent for an agricultural implement. This invention is a "novel construction of standard and plow-point, cultivator shovel, rake-tooth, or like implement" (lines 11-14). Illustrations included.
Date: November 22, 1904
Creator: Herrod, Howard H., Jr.
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Ant Trap.

Description: Patent for a new and improved ant trap. This design calls for a tank of water to be buried in the ground and a collar of cheap material to be attached to the tank and placed over the mouth of an anthill. The concave nature of the collar prevents ants from climbing out of it, so they are forced into the water tank, where they drown; the design is cheaper and less toxic than previous designs.
Date: November 22, 1881
Creator: Arnett, Sandridge Thomas
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Apparatus for Treating Timber, Railway Ties, &c.

Description: Patent for a new and improved apparatus for treating and preserving. This design "insure[s] the complete and perfect treatment or impregnation of timber of varying hardness and density, and to provide a portable organization of apparatus by which timber at various points or stations along the line of a railroad can be treated with great facility, efficiency, and economy" (lines 12-19).
Date: November 22, 1881
Creator: Kreuter, Hugh E.
Item Type: Refine your search to only Patent

Bench Plane.

Description: Patent for a new and improved bench plane. This design "consists in a stirrup pivoted to the sides of the plane in such a manner that the traverse piece of the stirrup passes through a transverse groove in the under surface of the plane, this groove increasing in height toward the rear of the plane, so that when the plane is drawn backward it will be slightly raised by this stirrup, so that the cutting-edge of the plane-iron cannot slide on the board being planed" (lines 10-19).
Date: November 22, 1881
Creator: Sawyer, George Frederic
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Clamp

Description: Patent for a clamp. This device is employed to use a hoisting line attached to well casing or tubing. Illustration included.
Date: November 22, 1910
Creator: Athey, Earl
Item Type: Refine your search to only Patent

Dredge.

Description: Patent for an excavating machine specifically designed for canal digging, that "is an improvement upon a patent granted to Charles S. Butterfield, March 13, 197 and numbered 1,219,371" (lines 10-13). This invention provides a means for firm and stable support of the excavating machine and allows the position of the machine to be easily changed as the work progresses.
Date: November 22, 1921
Creator: Evans, Marvin
Item Type: Refine your search to only Patent
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