UNT Libraries Government Documents Department - 622 Matching Results

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Aerial Projectile and Launching Mechanism Therefor

Description: This document is a patent for the invention of the Aerial Projectile and Launching Mechanism Therefor. According to its inventor Frank M. Bell, the object of this mechanism is to fire aerial projectiles or torpedoes more accurately at their intended target. This mechanism can be called an anti-observation balloon/zeppelin weapon and it would see some usage by the Allied air forces during this conflict.
Date: October 10, 1916
Creator: Bell, Frank M.

Air-Brake Governor

Description: Patent for an air brake governor improvement that regulates the pressure of fluid or air in the braking system as to prevent it from braking with too much pressure.
Date: July 10, 1906
Creator: Williams, Leonard F.

Air-Compressor for Water-Elevators.

Description: Patent for "an improvement in air-compressors for water-elevators, and it consists in the novel mechanism for compressing air, by which water is designed to be raised from a cistern, or other reservoir." (Lines 13-17) Includes instructions and illustrations.
Date: December 10, 1895
Creator: Warren, Governor D.

Airship

Description: Patent for an airship of improved construction, which allows for the operator to change their positions to propel, raise, lower and steer the ship.
Date: November 10, 1914
Creator: John William Oman

Amusement Apparatus

Description: Patent for a fishing game for amusement parks which has a canal of liquid agitated to form a current with pictures of fish in it that when caught get the person fishing different prizes depending on the symbol they have on them.
Date: August 10, 1909
Creator: Pressey, Charles A.

Animal-Poke.

Description: Patent for animal-poke that prevents them from jumping or forcing their way through fences. It consists of a yoke with its ends pointing upward, a brow band, rods that connect the brow band and the ends of the yoke, and bulges at the ends of the rods.
Date: October 10, 1893
Creator: McWilliams, Anderson W.

Animal Trap.

Description: Patent for a new and improved animal trap. This design consists in "the combination of the wire frame having the parallel base-arms, the coiled-springs, the upwardly-extending arms, and the downwardly-extending loop, the loop or ring on the bend and engaged portions of said wire, and the trigger-wire having the frontwardly-projecting point engaging said ring" (lines 80-87).
Date: July 10, 1888
Creator: Beversdorf, Louis, Jr.

Anti-Oscillating Attachment for Street-Cars.

Description: Patent for an improved anti-oscillating attachment for street-cars. It has a car truck, equalizing pivoting bars secured between the truck ends, cushions on either side of the bars, adjustable bolts that hold the bars in place, and springs between the bolts.
Date: July 10, 1894
Creator: Chollar, Benjamin F.

Apparatus for Controlling Trolley Poles

Description: Patent for an apparatus for controlling trolley poles. "This invention relates to an apparatus for controlling trolley poles employed for effecting electrical connection between a trolley wire and a motor on a car, and has for its object to provide improved means for automatically throwing the trolley into position to be placed in engagement with the trolley wire" (line 9-15). Illustrations included.
Date: November 10, 1903
Creator: Bogue, Judson L. & Jennings, David M.

Apparatus for Forming Gun Barrels.

Description: Patent for an apparatus for forming gun barrels that twists a sheet of metal into a tube for the gun barrel at a slight angle, while slightly flattening the tube into an oval shape. This method is supposed to create ribs within the gun barrel.
Date: September 10, 1917
Creator: Cole, William F.

Appliance for Training Horses.

Description: Patent for a new and improved appliance for training horses. This design "consists, essentially, in a leg-halter composed of chains or ropes connected by a common ring, or otherwise, and connected with gyves or shackles to encircle the pastern of each leg, a yoke or frame placed upon the withers, or forward or back thereof, and provided with a clamp, and a band passing through the clamp and down to one of the shackles, or to the horse's leg, the other end being carried to a convenient point to … more
Date: August 10, 1886
Creator: Dodge, Israel Alexander

Arc Lamp

Description: Patent for improvements arc lamps that "will be uninfluenced by the jar of the locomotive" (lines 17-19). Consisting of carbon-carriers rotated by clock-train.
Date: July 10, 1888
Creator: Gaston, E. James

Attachment for Cash-Registers.

Description: Patent for an attachment for cash registers which makes it impossible to remove paper to wrap a customer's purchase before the cash register has been opened, for the purpose of reducing "losses due to forgetfulness or dishonesty of clerks making sales" (lines 9-11), including illustrations and instructions.
Date: June 10, 1919
Creator: White, Robert N., Jr.
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