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By-Pass Draft Fan

Description: Patent for bypass draft fans used for the functioning of pneumatic conveyors. Pneumatic conveyors are used to transport solid materials through pipelines with the flow of air or other gases. Most pneumatic conveyors are located in mechanical processing plants.
Date: September 2, 1919
Creator: Martin, George W.
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Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Gin Flues

Description: Patent for a new and improved cotton ginning appartatus using a set a valves to throw lint-cotton into different rooms without stopping the gin (line 2), including illustration.
Date: August 13, 1872
Creator: Gaines, James W.
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Partner: UNT Libraries Government Documents Department

Bolt Lock

Description: Patent for an improved bolt block that maintains a bolt effectively against axial rotation.
Date: March 23, 1915
Creator: Robinson, Robert John, Sr.
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Partner: UNT Libraries Government Documents Department

Angle Cock Device

Description: Patent for "stop cocks for controlling the flow of fluids and more particularly to what are known as angle cocks for use in train pipes of air brake and other fluid pressure systems upon railway cars" (lines 8-13) including illustrations.
Date: March 9, 1915
Creator: Ellwood, Thomas B.
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Partner: UNT Libraries Government Documents Department

Draft-Equalizer

Description: Patent for a device that can be attached to the draft tongue of an animal-drawn agricultural machine to equalize resistance and allow it to be drawn evenly in a straight line.
Date: December 25, 1917
Creator: Butts, Jim P.
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Partner: UNT Libraries Government Documents Department

Lawn Swing

Description: Patent for an improved version of a Lawn Swing that is easily constructed and weather resistant, including illustrations.
Date: December 12, 1919
Creator: Galipp, Herman C.
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Partner: UNT Libraries Government Documents Department

Grader-Blade.

Description: Patent for a new form of grader blade for road graders and ditchers for road and ditch work, with illustration.
Date: December 4, 1917
Creator: Wendell, Benjamin J.
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Partner: UNT Libraries Government Documents Department

Wire-Screen Frame.

Description: Patent for a more economical, foldable wire screen frame for doors with removable wire mesh, and included illustration.
Date: December 18, 1917
Creator: Carroll, Houston Monroe
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Partner: UNT Libraries Government Documents Department

Cultivator Fender

Description: Patent for cultivator fenders, which will assist in tilling the earth for proper planting methods. This invention will allow for the removal of weeds close to plants without burying the plants in soil.
Date: November 16, 1917
Creator: William M. Peel
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Partner: UNT Libraries Government Documents Department

Safe Lock

Description: Patent for providing "a means which will necessitate the operation of a series of setting devices before the several bolts can be moved to unlock the door". (lines 11-14).
Date: June 13, 1918
Creator: Harris, William J. B. of Bonham, TX
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Partner: UNT Libraries Government Documents Department

Process of Saturating Oils

Description: Patent for the process of saturating oils. This is a continuation of the treating and improving petroleum hydrocarbons application serial number 792615 filed 1913-09-30.
Date: August 27, 1918
Creator: Almer McDuffie
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Partner: UNT Libraries Government Documents Department

Hairpin

Description: Patent for preventing "the accidental displacement of the dislodgment of the pin from the hair of the wearer." (Lines 11-12).
Date: September 11, 1919
Creator: Nalle, Charles R. of Forth Worth, TX
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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