UNT Libraries Government Documents Department - 2,061 Matching Results

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Automobile-Theft-Preventing Device

Description: Patent for an automobile theft preventing device which prevents the operation of the automobile by an unauthorized person and prevents the theft of thereof and can be controlled by the owner/authorized person permitting the operation of the automobile.
Date: June 7, 1921
Creator: Welliver, Percy
Item Type: Refine your search to only Patent

Combined Feeder and Hive Ventilator

Description: Patent for improvements in bee-hives by providing means in which the hive can be ventilated during warm weather. The invention provides means in which the ventilating means can be removed or rendered inoperative whenever desired or during cold weather.
Date: November 7, 1922
Creator: Heim, Charles; Heim, Emil R.; Heim, Clarence C. & Heim, Edwin C.
Item Type: Refine your search to only Patent

Trousers-Stretcher.

Description: Patent for a trousers stretcher that removes wrinkles and creases from trousers by stretching them. The stretching tension may be increased or decreased as desired.
Date: May 7, 1918
Creator: Johnston, Renord C.
Item Type: Refine your search to only Patent

Insect-Trap.

Description: Patent for a new and improved insect trap with a flanged pan, the mouth of which has an inclined surface. The insect trap is designed to be arranged directly over a burrow of ants, so that ants are directed to a bait pan.
Date: May 7, 1918
Creator: Mosby, William A.
Item Type: Refine your search to only Patent

Interliner for Tires

Description: Patent for a liner that goes inside of an inner tube that is inside of a pneumatic tire. The device works to help slow flats in tires and improve the structure of a tire.
Date: October 7, 1919
Creator: McDonald, John P.
Item Type: Refine your search to only Patent

Truss.

Description: Patent for an "improved truss or abdominal belt" (lines 40-41) that provides a simple design with added pads.
Date: April 7, 1920
Creator: Buckley, James William
Item Type: Refine your search to only Patent

Water Elevator

Description: Patent for Water Elevator. This invention relates to apparatus for hoisting water and is designed for irrigation purposes to provide a novel form of mechanism operated by wind power.
Date: January 7, 1919
Creator: Jones, Charles J.
Item Type: Refine your search to only Patent

Vehicle-Wheel

Description: Patent for vehicle wheels/tires and meant to improve upon current models that contain too many operating parts. Patent also contains improvements in performance of tires relating to expansion and contraction of the tires due to temperature.
Date: January 7, 1919
Creator: Allan, William N.
Item Type: Refine your search to only Patent

Hosiery Spat.

Description: Patent for hosiery spat that provides feet and ankle "protection when fancy 'open work' or thin hosiery is worn." (lines 15-16) including illustrations.
Date: November 7, 1922
Creator: von S.S. Blum, Elisa
Item Type: Refine your search to only Patent

Stalk-Cutter Attachment

Description: Patent for improvements to stalk-cutter attachments to plows. The invention allows stalks to be cut by the plow and then turned under it into the soil to decrease labor an improve plow performance.
Date: April 7, 1919
Creator: Wylie, Arthur E.
Item Type: Refine your search to only Patent

Standing-Valve Structure.

Description: Patent for a standing valve structure "which serves as a coupling between the working barrel (of a pump) and strainer member, to effectively exclude foreign matter" (lines 16-19) including instructions and illustrations.
Date: May 7, 1918
Creator: Ewing, Samuel D.
Item Type: Refine your search to only Patent

Mine-Cart-Check Lock

Description: Patent for improvements on mine-car-check lock technology. It provides a secure place for miners to put checks on the front of their cars and cannot be opened until the cart is empty.
Date: January 7, 1919
Creator: Williams, Ned
Item Type: Refine your search to only Patent
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