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in subjects: "Science and Technology - Tools"  
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Adjustable Pipe-Wrench.

Description: Patent for an adjustable pipe wrench "in which the opposing jaws of the wrench are maintained at an angle to each other, so hat they converge toward their extremities, thus enabling a firmer hold to e obtained upon the pope or other article to be gripped by said jaws." (Lines 15-20) Includes instructions and illustrations.
Date: July 20, 1897
Creator: Fauver, Addis E.
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Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a nut-wrench capable of tightening different sized nuts. The lower jaw of the wrench has different levels, the overall effect being that of a staircase, while the upper jaw is flat with a bite that holds the nuts in place.
Date: December 15, 1896
Creator: Tiner, John F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Injector-Burner.

Description: Patent for injector burner that provides rapid vaporization by maximum heating the walls of oil chamber and also has improved nozzle with oil outlet pipe. It has a detachable burner nozzle and maximum spread of flame is given by the burner-tip.
Date: December 9, 1902
Creator: Reagan, Edgar
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Partner: UNT Libraries Government Documents Department

Thread-cutting Tool.

Description: Patent for a thread cutting tool developed to efficiently thread bolts, rods, and other parts without damaging the ends of the thread, includes illustrations.
Date: August 5, 1919
Creator: Newman, Malcolm A.
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Partner: UNT Libraries Government Documents Department

Flue Scraper

Description: Patent for a new and improved boiler tube scraper which will allow for easier insertion and removal, including illustrations and instructions.
Date: April 8, 1913
Creator: Lorenz, William Adam
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Peanut-Digger.

Description: Patent for a peanut digger that will go underneath the peanuts, cutting off the tap roots, which preserves the soil because "the soil does not lose the nitrogen contained within the roots." (lines 25-27)
Date: June 11, 1918
Creator: West, Wade H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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