UNT Libraries Government Documents Department - 18,572 Matching Results

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Sheet-Placing Machine.

Description: Patent for improvements in sheet-placing machines for pushing and pulling devices to their correct orientation of oil tanks (lines 10-13) roof construction without the possibility of injury to mechanics.
Date: March 13, 1923
Creator: Brock, Verita Belle
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Car Door

Description: Patent is for car door and support. It goes on to explain that the car door and support were created to serve as a means of forming an efficient rain-proof closure when the door is moved into closed position. Another object is to provide sufficient means for slide-able support for the door and locking mechanisms.
Date: March 27, 1915
Creator: Minton, S. F. & McClellen, R. E.
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Break-Out Pin.

Description: Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
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Automobile Bed-Rack.

Description: Patent for a bed rack (bed roll) located at the rear of a car so that once the car cushions have been placed to form a mattress, the bed roll can be unwound to stretch and cover the cushions providing bedding and covering.
Date: December 23, 1919
Creator: Turner, John S.
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Aerial Projectile

Description: Patent for an aerial projectile for use as an anti-infantry bomb, dropped by planes. Specifically, it is a fragmentation bomb hand dropped from planes that will not only deliver an explosive blast and the subsequent shrapnel, but deliver such a blast as to destroy itself so it cannot be reverse engineered.
Date: September 25, 1918
Creator: Bury, Thomas J. & Bury, Oney
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Blow-out Patch.

Description: Patent, including illustrations, for tire or shoe blow-out patch that protects the inner tube of the tire and keeps the patch from sliding. Also notes the item can be constructed from "old fabrics from worn shoes or tires" to keep manufacturing and sales costs low (page 1, lines 30-31).
Date: March 16, 1920
Creator: Russell, Charles A., Jr.
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Churn.

Description: Patent for improvements in churns, "specifically a churn disclosed in Patent No. 1268766, L. M. Payne, R. A. Thompson and L. P. Morris, June 4, 1918."
Date: March 9, 1919
Creator: Wilson, William W.
Item Type: Refine your search to only Patent

Automobile.

Description: Patent for an automobile with a mechanism which may be extended to form a tent bed, or folded into a small compass. The folding bed of the automobile may be utilized to storm camp equipment when not used as a bed.
Date: January 4, 1921
Creator: Mackey, Franklin Orville
Item Type: Refine your search to only Patent

Core-Barrel.

Description: Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date: October 14, 1919
Creator: Humason, Granville A. & Childs, William L.
Item Type: Refine your search to only Patent
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