UNT Libraries Government Documents Department - 47 Matching Results

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Acetylene-Gas Generator

Description: Patent for an improved automatic acetylene-gas generator which allows the carbid vessel to recharge with carbid without permitting the escape of gas, and also to simplify the construction of the generator.
Date: March 19, 1901
Creator: Elkins, George L.
Item Type: Refine your search to only Patent

Angle-Cock.

Description: Patent for "a locking device for the train pipe valve or plug, and a connection separate from the train pipe and under the control of the engineer, to manipulate the said locking device and secure the valve or plug in position." (Lines 13-18) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Waldron, William J.
Item Type: Refine your search to only Patent

Apparatus for Handling Lint-Cotton.

Description: Patent for an apparatus for handling lint-cotton that allows air to move freely without back pressure while putting the fiber into a bat. It has a "trunk into which a series of gins deliver, of a primary condenser having a high surface speed, so that it will rapidly remove the fiber and prevent the bat from building up of such thickness as to check the escape of air, and a second condenser having a slower surface speed and arranged to receive the lint from the first condenser and form it into a… more
Date: March 19, 1895
Creator: Campbell, Douglas M.
Item Type: Refine your search to only Patent

Artificial Stone.

Description: Patent for artificial stone made of a special combination of cement that hardens and stays hard under water. It also does not conduct heat.
Date: March 19, 1895
Creator: Power, John H. & Power, Rufus M.
Item Type: Refine your search to only Patent

Auxiliary Piano Pedal

Description: Patent for an auxiliary piano pedal. This invention is an improvement to the construction of an auxiliary pedal and foot-rest for children. Illustration included.
Date: March 19, 1907
Creator: Norcross, Levi Watson
Item Type: Refine your search to only Patent

Book Carriage and Protector.

Description: Patent for a new and improved mobile bookcase. This design is "composed of a base-piece having a longitudinally-central raised table-piece adapted to support the leaves of the book, and a depressed-ledge portion outside thereof adapted to support the cover of the book" (lines 20-25).
Date: March 19, 1889
Creator: Leith, Lawrence C.
Item Type: Refine your search to only Patent

Can-Opener.

Description: Patent for a can opener that is made from "a single flat piece of metal" (line 17) and is made for ease of operation, reducing the chance of the user cutting themselves.
Date: March 19, 1918
Creator: Williams, Paul E.
Item Type: Refine your search to only Patent

Car Brake.

Description: Patent for a new and improved car-brake. This design consists in "[t]he combination, with the transverse beam of the truck, of the levers pivoted to the under side of the same, the brake-shoes, the pitmen connecting the brake-shoes with the levers, the straps secured to the beam, the retaining-rods having their ends pivoted to the pitmen and the straps, and devices for operating the levers" (lines 94-101).
Date: March 19, 1889
Creator: Mayer, Charles
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for improved car couplings "of the Janney type, capable of readily coupling on short curved, and adapted to be either coupled or uncoupled without going between cars. A further object of the invention is to provide means whereby the parts may be readily set for automatic coupling, or to prevent coupling." (Lines 13-20) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Armstrong, James P.
Item Type: Refine your search to only Patent

Clothes-Pin.

Description: Patent for a wire clothes pin that is attached to the clothesline and is easily opened or closed to attach or remove clothes.
Date: March 19, 1907
Creator: Burleson, Pleasant Wright
Item Type: Refine your search to only Patent

Cotton Seed Cleaner.

Description: Patent for a new and improved cotton-seed cleaner. This design "is to be used in connection with a machine for removing short lint from cotton-seed . . . The object of the invention is to provide a new and improved cotton-seed cleaner, which is simple and durable in construction and very effectively removes all impurities from the shell of the seed. . . . The invention consists of a revolving horizontal disk-brush and of a fixed table provided with emery-slabs and perforated plates and in conta… more
Date: March 19, 1889
Creator: Baumgarten, Christian
Item Type: Refine your search to only Patent

Cultivator

Description: Patent for a cultivator. This invention is an attachment used to connecting with other machines to cultivate the ground. Illustration included.
Date: March 19, 1907
Creator: Wheeler, Claud H.
Item Type: Refine your search to only Patent

Foot-Tub.

Description: Patent for a simple foot tub that has a cover with openings for the feet and curved backing as a foot rest to allow the use of the tub while lying down such as in the case of an invalid. The tub also includes a spout for filling the tub that closes to keep heat and steam inside the tub.
Date: March 19, 1907
Creator: Ely, Ella Yelvington
Item Type: Refine your search to only Patent

Grease-Trap.

Description: Patent for a grease trap "in which the grease is designed to be removed from the trap automatically and the object of my invention is to cause the water passing through the trap to carry the grease out with it" (lines 8-12).
Date: March 19, 1895
Creator: Henderson, Thomas
Item Type: Refine your search to only Patent

Hose-Coupling.

Description: Patent for a hose-coupling that is "simple and economic in construction and which shall be capable of rapid and ready action without use of any tool for manipulating the same" (lines 14-17).
Date: March 19, 1895
Creator: Goodspeed, Henry
Item Type: Refine your search to only Patent

Improvement in Hoes.

Description: Patent for an improved, lightweight hoe with beveled blades used for "weeding cotton and other plants" (lines 13-14) and cutting grass without damaging the stalks, including a detailed explanation and description of the illustration.
Date: March 19, 1878
Creator: Eggleston, Walter H.
Item Type: Refine your search to only Patent
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