UNT Libraries Government Documents Department - 13 Matching Results

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Car-Coupling.

Description: Patent for an invention for train cars which "relates to car couplings, and especially to that class of the same which effect an automatic coupling by means of a gravity-hook," (lines 12-15) including instructions and illustrations.
Date: May 13, 1884
Creator: Washburn, Andrew Lynch & Journeay, Abram L.

Carbureter.

Description: Patent for a new and improved carburetor. This design calls for "the apparatus [to be] submerged in water for the purpose of equalizing the temperature of the carbureting-liquid, and thereby imparting a more uniform illuminating quality to the gas; also obviating the danger of explosion from access of flame to the exterior of the apparatus" (para. 2).
Date: July 18, 1876
Creator: Pollard, James M. & Barton, Wallace R.

Domestic Boiler.

Description: Patent for a boiler for boiling milk and other liquids prone to boiling over, which prevents the overflow of liquid from the boiler.
Date: October 8, 1907
Creator: Rahm, Phillip

Electric Belt

Description: Patent for improvements in electric belts.
Date: July 5, 1887
Creator: Williams, Robert E.

Improvement in apparatus for packing and bale cotton.

Description: Patent for improved process and apparatus for baling cotton. Improvement relates to a mechanical device by means of which raw cotton is thoroughly compressed into bales suitable for handling.
Date: July 18, 1876
Creator: Drake, James A.

Improvement in the Methods of Baling and Packing Cotton

Description: Patent for improvement in the methods of baling and packing cotton specifically optimizations in the packing and baling of cotton by avoiding all the mechanical appliances used in forming and securing bales of cotton, such as the press, canvas bagging, band, buckles, and bale-ties.
Date: July 18, 1876
Creator: Drake, James A. & Singer, Edgar C.

Method of and Apparatus for Treating Mineral Pitch.

Description: Patent for an "improved method of and apparatus for treating mineral pitch and similar material to readily separate the asphalt and asphalt-oils from sand, bituminous rock, and other impurities contained in the mined material and removing the sand and impurities" (lines 12-17). The method circulates the material in hot water to separate the asphalt and asphalt-oils from the sand and impurities. The asphalt and oil rise to the top of the water and the impurities sink.
Date: November 5, 1895
Creator: Sellers, Harvey Lee; Conyngton, Hugh Ronald & Conyngton, Thomas

Process of Refining Asphaltic Mineral Oils.

Description: Patent for process for refining asphaltic mineral oils such as might be found in wells in Texas and Louisiana. Designed to remove asphaltum.
Date: November 11, 1902
Creator: Mims, John Carwile

Railway-Ticket, &c.

Description: Patent "to furnish for railway-companies a form of excursion-ticket whose return portion or stop-over portion, as the case may be, is not capable of successful use by scalpers" (lines 11-15).
Date: July 9, 1901
Creator: Smith, Lowndes G.
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