UNT Libraries Government Documents Department - 1,075 Matching Results

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Window Light Regulator

Description: Patent for a window light regulator. The light regulator is designed of two shades. The first shape is dark and the other is transparent. Illustration included.
Date: April 16, 1907
Creator: Alrich, Henry & Stockmeyer, John

Electrolytic Cell

Description: Patent for an electrolytic cell. "This invention relates to electrolytic cells especially adapted and intended for the electrolyzing of the sulfates of the alkalies to obtain sulfuric acid and alkaline hydrates" (lines 10-13). Illustration included.
Date: October 31, 1905
Creator: Anderson, Henry S.

Triple Valve

Description: Patent for a triple valve for air brakes on trains that gives the engineer more control over the brakes.
Date: August 13, 1912
Creator: Anderson, Williamson D. & Shearer, Edward J.

Crate for Shipping Bananas.

Description: Patent for a crate for shipping bananas that does not hurt the fruit during shipping. The crate separates the bunches so the bananas do not get crushed, and the crate is ventilated to prevent decay.
Date: August 11, 1896
Creator: Andrews, Otis

Uterine Supporter.

Description: Patent for a uterine supporter which has a soft and flexible bulb supporting the uterus and a more rigid opposite end keeping the bulb in place. The device attaches to a cord on the waistband.
Date: July 16, 1907
Creator: Baird, William T.


Description: Patent for the improvement on plows so that the operator can "readily adjust the moldboard or shovel into any desired inclination" (lines 14-15). The clamp is also adjustable.
Date: June 8, 1897
Creator: Baker, Jessie

Stamp Mill

Description: Patent for a stamp mill. "The object of the invention is to present a stamp-mill which with a minimum of space utilized for the operating mechanism will give the maximum of output." (line 8-11) illustrations included.
Date: July 21, 1903
Creator: Baker, Richard J.

Cartridge Belt.

Description: Patent for a new and improved cartridge belt. This design "is to provide a new and improved cartridge-belt for holding cartridges securely, the said belt being simple in construction, strong, and durable. The invention consists in the combination of a belt, with a strap held on the same by up-right metal fasteners and forming pockets on the belt. The invention also consists in the combination, with the above belt and strap, of a cord passed transversely through the several pockets, and in other combinations of parts" (lines 11-18).
Date: April 14, 1885
Creator: Beach, Willie P.


Description: Patent for a new and improved filter. This design is for "[a] filter consisting of sections secured together at their meeting edges by a lapped joint, the upper edge of [a] section being fitted wholly within [another] section and forming a shoulder for the support of a screen-plate, and the body of filtering material above, a shoulder on [a] section below [the] shoulder, and screen plates resting on and held to the shoulders by the weight of the body of filtering material, whereby, when the filter-sections are inverted, the [other] shoulder serves to support [the] screen and the filtering material above" (lines 45-56).
Date: February 15, 1887
Creator: Begemann, Charles Fredrich William

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.