UNT Libraries Government Documents Department - 28 Matching Results

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Bag Holder

Description: Patent for a bag holder. This invention is made of four frame sections that fold and when extended supports the bag. Illustration included.
Date: January 7, 1913
Creator: Devini, John H.

Saw Set

Description: Patent for a saw set. This invention is designed to align cutting teeth in a uniform length. Illustration included.
Date: December 17, 1912
Creator: Devini, John H.

Drill-Bit

Description: Patent for a drill bit for oil wells that provides a way for the bit to be lubricated while in use to prevent the adhesion of gummy substances.
Date: June 4, 1918
Creator: Kilgore, John G.

Disk-Harrow Sharpener.

Description: Patent for improvements to sharpening the disk harrows by attaching a disk sharpener onto the frame of the disk harrow so as the harrow is being drawn across the field, the rotating disk harrow comes into contact with the sharpener. Includes instructions and illustrations.
Date: November 25, 1913
Creator: Lammon, Harry

Cultivator.

Description: Patent for improvements in cultivating devices such as weeders which includes a labor reducing tool to pull out weeds and grasses from various types of lands including instructions and an illustration.
Date: February 15, 1916
Creator: Luckey, Bert C.

Valve-Lifter For Automobiles

Description: Patent for improvement in valve-lifters for automobiles. The object of the device is to compress a spring of the intake and exhaust valves of an automobile. Also for the quick removal of the valve.
Date: February 15, 1921
Creator: Patterson, George G.

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

Animal-Stock.

Description: Patent for an improved animal-stock that holds animals during branding, dehorning, castrating, &c. It looks like an open-topped cage where the operator puts the animal, and the animal cannot move. The invention is on a platform and can tip to one side and a chain is tied from the top of the machine to the bottom of the frame.
Date: August 27, 1895
Creator: Schecher, Conrad

Wrench.

Description: Patent for "a wrench in which the ratchet is inclosed, so that none of its parts will be exposed to the action of dust" (lines 16-18), provides ample lubrication, and ease of inspection. Includes instructions and illustrations.
Date: June 2, 1912
Creator: Sherman, Lothrop C.

Colter.

Description: Patent for a colter, which attaches to a plow to cut weeds or brush in the field before the plowshare digs into the dirt.
Date: May 31, 1910
Creator: Stacy, William
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