UNT Libraries Government Documents Department - 211 Matching Results

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Aeroplane.

Description: Patent for an airplane (or aeroplane) which provides a large number of control surfaces adjustable by the pilot, including a moveable engine.
Date: January 7, 1919
Creator: Millican, Joel Walter
Item Type: Refine your search to only Patent

Combination Valve and Cap Tool

Description: Patent for a combination valve cap and stem used to ease the process of deflating pneumatic tires by eliminating the need to keep track of a separate cap piece when removing the valve core, including illustrations and instructions for use.
Date: May 7, 1918
Creator: McComb, William Perry
Item Type: Refine your search to only Patent

Boring-Machine.

Description: Patent for Boring-Machine. Particularly a boring-machine for boring brush blanks, and can bore all of the necessary openings, both straight and at an angle, at a single operation.
Date: May 7, 1918
Creator: Miller, Emma T.
Item Type: Refine your search to only Patent

Caterpillar-Tractor.

Description: Patent for 1) a mechanism preventing the Caterpillar tractor's driving element from becoming clogged with mud; 2) a mechanism to regulate the force put on the wheels in relation to the weight of the tractor's load; 3) a mechanism to allow this regulation of force in relation the weight of the tractor's load to be manually adjustable; 4) a construction improvement to allow the tractor to be turned in a relatively short radius, including illustrations.
Date: May 7, 1918
Creator: Rountree, Joseph G.
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

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

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
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