UNT Libraries Government Documents Department - 247 Matching Results

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Carbon-Removing Tool

Description: Patent for a new and improved carbon removing tool, which allows for the removal of carbon from the pistons of internal combustion engines. Includes illustrations.
Date: April 12, 1921
Creator: Slagle, Eugene H.
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Tractor-Coupling

Description: Patent for tractor coupling. The object of the invention is to provide a coupling for tractor and plow. When a plow hits an obstruction, the coupling will automatically disengage tractor and plow without breaking any parts.
Date: December 21, 1920
Creator: Hart, Lawrence H.
Item Type: Refine your search to only Patent

Gin Compress

Description: Patent for improvements upon the cotton gin-compress which includes driven screws with gearing to make the compress "more effective than that heretofore employed"(lines 10-11) machinery.
Date: June 3, 1919
Creator: Dunlap, Samuel H.
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Shovel-Fastening for Cultivators

Description: Patent for new and useful improvements in shovel-fastenings for cultivators. Improvements include incorporating a spring latch in the cultivator foot so that no time is lost and no tools would be needed in replacing cultivator shovels.
Date: December 18, 1917
Creator: Kirkpatrick, James M. & Tirey, Grover C.
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Railroad-Crossing.

Description: Patent for improvements in Railroad-crossings. Noiseless and a more durable crossing, allowing for a more maintainable foundation and less repairing compared to other crossings that vibrate and cause severe shock and damage to the foundation.
Date: March 18, 1919
Creator: O'Connor, Thomas J. & Culbertson, Warren W.
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Nut-Lock.

Description: Patent for Nut-Lock. The invention is to enable locking a nut upon a bolt, to keep from coming undone due to vibration.
Date: April 2, 1918
Creator: Morris, William T.
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Necktie-Tying Form.

Description: Patent for improvements in necktie tying forms. The device is place on the necktie as a form to be tied around and to provide a flat smooth support for the folds of the knot. The purposes of this invention is to avoid the wrinkling and loosening lining that can occur when a necktie is repeatably tied. Additionally its purpose is to improve the lifespan of the necktie.
Date: April 15, 1919
Creator: Wofford, Bushrod W. J.
Item Type: Refine your search to only Patent

Elevating-Truck.

Description: Patent for new improvements for a portable elevating truck, used for handling and storing heavy material to stack on each other. (referred to as "decking") using an endless chain on an incline.
Date: November 11, 1919
Creator: Anderson, John L.
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Elevating Truck.

Description: Patent for elevating truck equipped with a conveyor belt powered by an electric motor. The device is "easily moved about and placed in position by one or two men" (lines 29–30), but powerful enough to lift bales of cotton (or other objects) weighing up to 600 pounds, includes illustrations.
Date: August 5, 1919
Creator: Anderson, John L.
Item Type: Refine your search to only Patent

Improvement to Tire-Patch for Inner Tubes

Description: Patent for an improvement to tire-patches for inner tubes by making use of "a simple devise for jacketing that part of an inner tube which may be adjacent to a puncture or weak place in the outer casing to prevent blow outs" (lines 11-14). Instructions and illustrations included.
Date: February 9, 1915
Creator: Major, William W.
Item Type: Refine your search to only Patent

Internal-Combustion Motor.

Description: Patent for an internal combustion engine which "embodies an improved construction of cylinders and connections between the pistons and the crank shaft" (lines 23-25) and which "will be simple, light, composed of comparatively few parts and capable of generating great power" (lines 28-31).
Date: May 26, 1914
Creator: Brown, Jared V., Jr.
Item Type: Refine your search to only Patent

Measuring and Leveling Instrument

Description: Patent for a new measuring and leveling instrument that allows the user to determine "in a convenient and efficient manner the angularity of a surface or object with respect to a vertical or horizontal line" (lines 10-13). Instructions and illustration included.
Date: February 9, 1915
Creator: Richardson, O. C.
Item Type: Refine your search to only Patent
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