UNT Libraries Government Documents Department - 1,630 Matching Results

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World-Chronometer

Description: Patent for a globe set on top of a pedestal, where the globes rotates by clock work to instruct the user of the time for any given place on the globe. Sides of the pedestal also allow for advertising.
Date: December 29, 1914
Creator: Agnew, Walter F.

Pneumatic Tire

Description: Patent for pneumatic tire (for use on motor vehicle wheels) with application to inner tubes that are employed within the outer casing of tire. Tire provides self-sealing inner tube for piercings or punctures.
Date: November 29, 1921
Creator: Allyn, Harley H.

Beam-Spring Trip for Cultivators, Plows, &c.

Description: Patent for the improvement of "the construction of spring trips, and to provide a simple and inexpensive spring trip, capable of being constructed of sufficient strength to enable it to be employed on stirring and breaking plows as well as cultivators, planters and the lighter class of agricultural implements" (lines 12-18) including instructions and illustrations.
Date: July 29, 1913
Creator: Alsup, Thomas B.

Churn.

Description: Patent for a new and improved churn. This design consists in "[t]he combination of the standards, the longitudinal bars connecting the same, the driving-shaft journaled on the upper bars, the counter-shaft journaled on the lower bars and provided with a crank-disk at one end, gearing between the driving-shaft and the counter-shaft, the balance-wheel on the counter-shaft, the rock-shaft journaled on the upper bars and provided with the oppositely-extending crank-arms between the said bars, the c… more
Date: April 29, 1890
Creator: Anderson, Henry C.

Baling-Press

Description: Patent for improvements in baling presses "in which the necessary motion may be imparted to the plunger in a rapid and effective manner, and which shall be productive of considerable saving of labor and power" (lines 15-19)
Date: April 29, 1890
Creator: Anderson, Zachariah J.

Vehicle-Axle

Description: Patent for vehicle-axle "with removable spindles which when they become worn may be easily and quickly removed and replaced by new ones." (lines 13-15); including illustration and instructions
Date: May 29, 1900
Creator: Andrews, William H.

Shell.

Description: Patent for improvements to explosive projectile shells. Provides a shell adapted to contain gas and high explosives with constructed multi-layered shells with the intent to inflict as much damage as possible.
Date: April 29, 1919
Creator: Aoughsten, Richard G. & Aoughsten, Otto L.

Car-Coupling

Description: Patent for a car-coupling that "will greatly simplify the construction and facilitate the operation thereof by providing levers upon the end of the car" (lines 14-17); including illustration and instructions
Date: May 29, 1900
Creator: Asher, A. J. & Gautt, W. A.

Wrench

Description: Patent for improved construction and function of wrenches. Improvements include a more simple, durable, and inexpensive method of construction and arrangement of the adjustable jaw as to allow a single hand to hold and adjust the wrench simultaneously.
Date: July 29, 1913
Creator: Ashliman, Adolph E.

Elastic Tire.

Description: Patent for improvements on elastic tires, so that they are solid and secured on rims of wheels laterally and circumferentially, with fastening rings that hold the tires steady with circular movement; includes illustrations.
Date: October 29, 1918
Creator: Avery, John M.
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