UNT Libraries Government Documents Department - 1,052 Matching Results

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Rotary Tooth-Brush

Description: Patent for a crank powered rotary toothbrush. Designed with the purpose of easily cleaning teeth with a simple automatic mechanism, with added projection via a shield around the brush for protecting gums and cheeks from being scraped by the brush.
Date: October 8, 1918
Creator: Abel, Charles

Air Compressor for Deep Well Pumps.

Description: Patent for a new and improved air-compressor. This design "relates to improvements in air-compressing mechanism for the purpose of pumping for forcing from deep wells and performing similar work; and it consists in the construction and arrangement of a larger and smaller air-cylinder, and the combination therewith of mechanism to force the air from the larger into the smaller cylinder to increase the air-pressure in the latter" (lines 22-30).
Date: August 2, 1887
Creator: Adams, John R.

Attachment for T-Stands

Description: Patent for improvement of T stands, which includes a vertical rod that makes attachment and removal easier.
Date: August 2, 1921
Creator: Adamson, John Selden

Banana-Case

Description: Patent for a banana case to "provide a case or crate in which bananas may be readily packed and transported without injury to the fruit."
Date: November 13, 1888
Creator: Aiken, Robert H.

Check-Turning Device

Description: Patent for improvements of check-turning devices. The improvements allow checks to be turned quickly especially by adding machine operators.
Date: February 18, 1919
Creator: Albaugh, Ellis

Automobile Driving Mechanism.

Description: Patent for a driving mechanism for an automobile to dispense with the usual form of transmission gearing and differential, to substitute mechanisms power devices through the medium of a suitable liquid [preferably oil], maintained at a predetermined volume, and to provide a noiseless operating mechanism.
Date: October 31, 1916
Creator: Allan, William N.

Automobile-Headlight

Description: Patent for movable automobile headlight which reflect downward on the road surface and utilizes the at-hand mounting hardware for static automobile headlights.
Date: July 14, 1914
Creator: Allan, William N.

Automobile-Headlight

Description: Patent for an improved automobile headlight function that allows the light to be pointed directly at the road in front of the wheels to avoid the glare/reflection associated with straight-forward lighting.
Date: July 20, 1915
Creator: Allan, William N.

Driving Mechanism for Automobiles and the like

Description: Patent for new and improved lubricating steering pump for automobiles and the like. Allows for better lubrication circulation to drive shafts.
Date: November 9, 1915
Creator: Allan, William N.

Rotary Engine

Description: Patent for a rotary engine that uses steam as a motive agent. Illustrations included.
Date: February 18, 1913
Creator: Allan, William N.

Speed-Indicator.

Description: Patent for a speed indicator to allow individuals not in an automobile to determine its speed, including illustrations.
Date: July 20, 1915
Creator: Allan, William N.

Vehicle-Wheel

Description: Patent for new and useful improvements to the Vehicle-Wheel. Tire may be formed into a disk wheel constructed with nuts, bolts, rivets, and screws to compensate for any regular and irregular pressure stresses a tire may be subjected to on a road. A further improvement is to provide a more resilient disk wheel to have more durability and longer use on the road.
Date: April 12, 1921
Creator: Allan, William N.

Vehicle-Wheel.

Description: Patent for a spring cushioned tire. The springs are positioned between the wheel ferry and the tread.
Date: August 30, 1921
Creator: Allan, William N.

Vehicle-Wheel

Description: Patent for a tire with strong durability and efficient manufacturing.
Date: September 21, 1920
Creator: Allan, William N.

Vehicle-Wheel.

Description: Patent for improving a tire by providing new form of tread-holding device and using a resilient metal band encircling the tire.
Date: March 11, 1919
Creator: Allan, William N.

Vehicle-Wheel

Description: Patent for improvements in tires, specifically a system that assists with weight distribution and adjustments to road surface conditions.
Date: May 18, 1920
Creator: Allan, William N.

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.

Vehicle-Wheel

Description: Patent for a vehicle wheel with a tire that is improved with a spring cushion.
Date: January 4, 1921
Creator: Allan, William N.

Vehicle Wheel

Description: Patent for improved wheel that utilizes spring components in order to disperse the weight of the vehicle evenly.
Date: October 31, 1916
Creator: Allan, William N.

Vehicle-Wheel

Description: Patent for improving vehicular tires by making them more durable for heavier vehicular use.
Date: August 30, 1921
Creator: Allan, William N.

Grease Cup.

Description: Patent for a grease cup used to lubricate machine parts.
Date: January 10, 1920
Creator: Allen, Arthur Chester John

Vehicle-Wheel

Description: Patent for a Vehicle-Wheel. This patent is an improvement over the other patents that this inventor submitted before. It will improve and strengthen the wheel by replacing rivets and bots, and instead use clips and springs.
Date: May 18, 1920
Creator: Allen, William N.

Transmitting-Gear for Windmills.

Description: Patent for an improved transmitting-gear for windmills "which is simple and durable in construction, very effective in operation, and arranged to impart a long stroke to the pump-rod or other device to be actuated" (lines 11-14), including one illustration.
Date: January 22, 1901
Creator: Allison, Jesse H.
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