UNT Libraries Government Documents Department - 49 Matching Results

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COTTON CLEANER

Description: This is a patent for a Cotton Cleaner. This new cotton cleaner is able to use air to rotate the rotors to then separate the dirty cotton from the clean cotton.
Date: May 6, 1919
Creator: Cabrera, Maragarito
Item Type: Refine your search to only Patent

Spring-Wheel

Description: Patent for a spring wheel. Gebhardt describes the wheel as "an improvement... to provide resilient spokes which are connected to the hub and felly of the wheel in a manner to take up vibration and shocks imparted to the wheel in traveling or passing over obstructions and rough roads (p. 1, lines 8-15)." The patent also adds provisions for easy removal of spokes and a sectional felly and hub.
Date: April 6, 1920
Creator: Gebhardt, W.
Item Type: Refine your search to only Patent

Bat-Roost.

Description: Patent for a bat roost that provides roosting space, as well as a space for hibernation. The bat roost will have a lower space that allows the user to clean out the droppings.
Date: January 6, 1914
Creator: Campbell, Charles A. R.
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Wrapper.

Description: Patent for the creation of a file made of cardboard, canvas, and cords made for sending articles such as drawings, fabrics, and such through the mail.
Date: April 6, 1915
Creator: Page, Harvey L. & Burnett, Robert L., Sr.
Item Type: Refine your search to only Patent

Combined Pneumatic Lift and Force Pump.

Description: Patent for a combined pneumatic lift and force pump, which is able to reach the inexhaustible supply of water found at the depths of five to forty or more feet in the arid region of Texas and Great Central Valley of Mexico. The machinery perfects the simplicity and economy of construction needed to reach and lift a great volume of water in a short time.
Date: May 6, 1913
Creator: De Hymel, Franklin Oscar
Item Type: Refine your search to only Patent

Aeroplane

Description: Patent for an aeroplane which has its equilibrium maintained by the operator through levers that bring the plane up or down.
Date: December 6, 1910
Creator: McManus, Augustus F. W.
Item Type: Refine your search to only Patent
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