UNT Libraries Government Documents Department - 1,001 Matching Results

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Improvment in Cultivators.

Description: Patent for improvement in digging or cultivation machines primarily adapted to the cultivation of cotton. Includes parts that can be added or removed from the machine, thereby reducing the number of machines needed for farm work. Includes illustrations and instructions.
Date: September 10, 1872
Creator: Forsgard, Gustave A.

Improvement in Grinding-Mills

Description: Patent for an improvement in grinding-mills, combining the operative mechanism with spindles - in which the both the grinding stones obtain relative surface speeds only half the actual speed of the stones.
Date: May 9, 1871
Creator: Hensley, Henry


Description: Patent for improvement in the construction of hooks used to join the ends of ties "for packages or bales of cotton, hemp, rags, or other substances in which a divided metallic band or hoop encircling the package or bale is used, and the ends whereof are joined by a hook at one end of said band, arranged to interlock with any one of a series of mortises in the other end of the band" (para. 2).
Date: August 8, 1876
Creator: Davis, Waters S.

Improvement in Umbrella-Supporters.

Description: Patent for "a simple and convenient device for supporting and carrying a parasol or umbrella in such a way as to leave the hands free, and which will enable the parasol or umbrella to be tilted or inclined forward or back, or to either side, as may be required" (lines 8-14). Includes instructions and illustrations.
Date: January 11, 1876
Creator: Arnold, Eliza M.

Improvement in Steam-Engines.

Description: Patent related to "improvements in steam-engines. The object...is to devise means whereby the valves may be actuated automatically without the employment of exterior mechanisms by the use of exhaust-steam" (lines 17-22). Includes instructions and illustration.
Date: July 1, 1879
Creator: Garlock, William H. & Cooke, Richard

Improvement in Instruments for Filling Teeth

Description: Patent for improvement in instruments for filling teeth. "The object of this invention is to furnish an improved mode of filling teeth, by the use of which the filling may be built up, hardened, and polished at once, so that the filling will be as hard as marble when the patient leaves the operator's chair, and so that they can be immediately used for masticating."
Date: February 29, 1876
Creator: Ludwig, Carl D.

Improvement in Bailing-Presses.

Description: Patent for an improved bailing press consisting of "a novel arrangement of levers, connecting-bars, and cords, in combination with the follower and windlass, whereby the follower is worked in the downward direction for pressing, and in the opposite direction for elevating it to recharge the press, by the said windlass" (lines 5-11).
Date: January 2, 1872
Creator: Randolph, Jeremiah

Improvement in Cotton-Presses

Description: Patent for a new and useful improvement in a cotton press. "Our invention has for its object to furnish an improved press for baling cotton as it comes from the gin, &c., &c." (lines 14-16).
Date: January 5, 1875
Creator: Crenshaw, William T. & Carothers, Robert J.

Bee Hive.

Description: Patent for improvements to "that class of bee-hives or bee-houses having a series of compartments..." (lines 15-17) with instructions and illustrations.
Date: May 21, 1878
Creator: Walton, George Slaughter

Improvement in Saw-Set.

Description: Patent for an invention "which can be used for setting the teeth of all kinds of saws by hand, and without requiring and intricate machinery" (lines 15-18). The patent includes instructions and an illustration.
Date: February 15, 1870
Creator: Harris, H. A.