UNT Libraries Government Documents Department - 42 Matching Results

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Acetylene-Gas Apparatus.

Description: Patent for improvements in “gas-machines in which the gas is generated from calcium carbid; in which the gas will be thoroughly washed before passing to the distributing-pipe, thus affording a pure white light, and further to provide a means for running off coal-tar that may gather on the top of the water in the machine.” (Lines 9-18) Illustration is included.
Date: December 11, 1900
Creator: Metzger, Frederick
Item Type: Refine your search to only Patent

Apparatus for Trimming Hooves of Animals.

Description: Patent for a new and improved hoof trimmer. This design "consists in an upright standard or support having a concaved supporting-recess adapted to receive the animal's hoof, with parallel guide-ways arranged in rear thereof, a trimming implement moving in said guides, and so constructed as to operate upon the hoof without injury to the frog, and means for reciprocating the trimming device from either side of the animal" (lines 16-25).
Date: December 11, 1883
Creator: Mullins, Joshua C.
Item Type: Refine your search to only Patent

Baling-Press

Description: Patent for "a simple, light, and durable press, which may be conveniently manipulated in either a vertical or horizontal position and readily transported in a field from stack to stack of hay. . .wherein the hay may be expeditiously and effectively baled by two persons" (lines 9-16).
Date: December 11, 1888
Creator: Freytag, Anton
Item Type: Refine your search to only Patent

Car Uncoupling Device.

Description: Patent for a new and improved uncoupling device for railroad cars. This design consists in "a draw-head provided with a vertically-movable coupling-pin support and lifting frame, a spring holding the coupling-pin support in raised position, a catch for holding the pin-support in lowered position, and a lever mechanism for releasing the catch and effecting the uncoupling of a car" (lines 7-14).
Date: December 11, 1888
Creator: Rutledge, William O.
Item Type: Refine your search to only Patent

Churn-Motor.

Description: Patent for improving crank-lever churn motors for a more simple construction that results in a more lightweight but strong machine.
Date: December 11, 1900
Creator: Crawford, William H.
Item Type: Refine your search to only Patent

Doubletree.

Description: Patent for a simple, inexpensive, and durable double tree that utilizes the entire force of the strain and divides it equally between the animals.
Date: December 11, 1894
Creator: Beaver, Francis Marion
Item Type: Refine your search to only Patent

Drum-Lining.

Description: Patent for a cement pulverizer drum made of cast iron with a tongue and groove connection that is strong, durable, and easy to make.
Date: December 11, 1917
Creator: Johnson, Charles L.
Item Type: Refine your search to only Patent

Dust and Cinder Fender.

Description: Patent for a fender for railroad car windows that prevents the intrusion of dust and cinders into an open window while allowing window to remain open for light and ventilation. The device can be attached to either side of the car.
Date: December 11, 1900
Creator: Bell, Chester L.
Item Type: Refine your search to only Patent

Feed Water Regulator.

Description: Patent for a new and improved feed-water regulator. This design "consists in the combination, with the heater, of a supply-pipe having a valve-chamber, a valve opening and closing said pipe, and having a stem which is packed through the wall of the heater, a bell-crank lever fulcrumed upon a stud projecting from the inner wall of the heater, and actuated by a float connected with one arm, the other arm being connected to the valve-stem, whereby the supply-pipe is opened and closed by the fall a… more
Date: December 11, 1883
Creator: Osborn, Adelbert E.
Item Type: Refine your search to only Patent

Gearing for Gin Saw Cleaners

Description: Patent for an improvement on a previous patent relating to a gearing for gin saw cleaners. Development and use are within text; includes illustrations to demonstrate the object of the patent.
Date: December 11, 1917
Creator: Robertson, Osborn Bragg
Item Type: Refine your search to only Patent

Grocer's Bin.

Description: Patent for a new and improved grocer's bin. This design "consists, broadly, in a box or bin pivoted so that its upper open end may be conveniently tilted out for the purpose of replenishing or taking therefrom, and may as conveniently be pushed back into the casing or framing" (lines 9-13).
Date: December 11, 1888
Creator: Johnston, Lysander
Item Type: Refine your search to only Patent

Hitching-Strap.

Description: Patent for a strap to attach an animal to a hitching-post, especially a smooth one, to avoid slipping or accidental loosening by the animal with "an improved slidable catch" (line 18).
Date: December 11, 1900
Creator: Jacobsen, Frederik August
Item Type: Refine your search to only Patent

Improvement in Rifle-Barrels.

Description: Patent for a "new and useful improvement in firearms" (lines 4-5), including instructions and illustrations. The invention provides "a gun-barrel with a number of cutters or plows for grooving the ball, said cutters or plows to correspond with with the number of guides or ribs which the gun is formed" (lines 20-25).
Date: December 11, 1877
Creator: Littlejohn, William
Item Type: Refine your search to only Patent

Lawn-Sprinkler.

Description: Patent for an inexpensive lawn sprinkler that serves the dual purpose of connecting to a hose to spread the water over a broad area and of holding a hose stationary to water a single area.
Date: December 11, 1917
Creator: Schneider, Gustav H.
Item Type: Refine your search to only Patent

Peanut-Harvester.

Description: Patent for a simplified and improved peanut-harvesting machine. With this machine, "peanut vines may be dug from the ground, and thoroughly shaken and agitated so as to separate dirt and sand from the vines and nuts, the vines and nuts being bunched and deposited on the ground in piles or heaps for subsequent gathering," (lines 12-17) including illustrations.
Date: December 11, 1917
Creator: Meador, Lenerd E.
Item Type: Refine your search to only Patent

Phantom Telephone System

Description: Patent for phantom telephone system. This invention is a system of transmission of electrical energy for telephones to produce telephone circuits more economically. Illustrations included.
Date: December 11, 1906
Creator: Jordon, Thomas P.
Item Type: Refine your search to only Patent
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