UNT Libraries Government Documents Department - 480 Matching Results

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Hame-Fastener.

Description: Patent for a new and useful improvement to an invention known as the hame fastener. Its purpose is to adjust and make a tight or loose connection between the hame and a desired object.
Date: November 2, 1920
Creator: Arnold, Thomas J.

Automatic Damper

Description: Patent for "an attachment for stove-dampers whereby said dampers will be automatically moved, in order that the fire may be maintained at a predetermined heat" (lines 9-13).
Date: January 31, 1888
Creator: Beauchamp, William A. J.

Balanced Slide Valve.

Description: Patent for a new and improved balanced slide-valve. This design consists in a "Steam-chest, a valve sliding therein, a chamber on top of the steam-chest, and a diaphragm in the top of the chamber and secured by a cap or plate, in combination with a frame having a packing-box and gland, an adjustable threaded stem or bolt passing through the frame, and the double-link connection between the said stem and valve" (lines 90-97).
Date: October 12, 1886
Creator: Bettis, William Irvin

Bearing for Crank-Shafts.

Description: Patent for an improvement for Bearings for Cranks Shafts. This invention provides a means for "tightening the bushings of the bearings easily and quickly when necessary" (lines 9-13).
Date: October 22, 1918
Creator: Blumberg, Hamilton G.

Transmission-Gearing.

Description: Patent for an improved gear set adapted for transmitting power to the main driving wheels of farm tractors, the gear set embodying simple and efficient means of effecting a reversal of travel without any chance of gear stripping, as well as the whole transmission gearing encompassing less space.
Date: February 15, 1921
Creator: Blumberg, Hamilton G.

Dubbing-Machine.

Description: Patent for improvements to the dubbing-machines with illustrations. Specifically, this improvement is aimed at "dressing ship timber" (line 15) in an effort to make the process easier and more efficient.
Date: June 10, 1919
Creator: Cobb, Dan L. & Moore, William W.

Lubricant

Description: Patent for "a new and useful composition of matter to be used for the prevention of heat caused from friction and attrition in the use and operation of all kinds of machinery, including railroad engines and cars, and all parts thereof" (lines 5-9).
Date: July 16, 1889
Creator: Corder, William J.

Combined Comb, Brush, and Mirror.

Description: Patent for a device which combines the features of a comb, a brush, and a mirror. Designed with removable components, any part of this device "can be used individually or ... can be separated for use in conjunction with each other" (lines 45-47). Illustrations included.
Date: March 16, 1920
Creator: Dunham, George H.

Steam-Engine Valve.

Description: Patent for a steam-engine valve that has an "improved rotary valve capable of feeding and exhausting one end of a steam-cylinder, and easily controlled and operated" (lines 18-20). This makes the engine easily controllable.
Date: September 17, 1895
Creator: Ford, Andrew H.

Automatic Fire Extinguisher.

Description: Patent for a new and improved fire extinguisher. This design is "to provide for automatically putting out a fire in any building in which [the] apparatus may be located, upon the temperature in said building or room reaching any predetermined degree. This result is accomplished by the action of an expansible fluid—such as mercury—in a contained vessel, which actuates certain . . . mechanism, causing the structure to be flooded with water or with a fire-extinguishing gas or fluid" (lines 22-32).
Date: December 30, 1890
Creator: Fuller, Wily Scott
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