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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
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

Valve for Engines.

Description: Patent for certain new and useful improvements in valves for steam engines, including instructions and illustrations.
Date: November 8, 1898
Creator: Allen, Walter J.
Partner: UNT Libraries Government Documents Department

Apparatus For Treating Petroleum.

Description: Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.
Date: October 28, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Process of Making Artificial Fuel

Description: Patent for process of creating artificial fuel and the resulting product.
Date: March 11, 1902
Creator: Steiner, Robert
Partner: UNT Libraries Government Documents Department

Pipe-Wrench.

Description: Patent for improvements to pipe wrenches to a more simple design.
Date: February 16, 1915
Creator: Lewis, Guy V.
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

Drill-Bit.

Description: Patent for improvement to drill-bits. The object of the invention is to provide a bit of the character described which is especially adapted for deep well drilling by the rotary process.
Date: December 30, 1919
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department

Sampling Device for Artesian Wells

Description: Patent for a sampling device for artesian wells to detect when oil has been reached.
Date: April 23, 1912
Creator: Bettis, William I.
Partner: UNT Libraries Government Documents Department

Cotton Cleaner, Feeder, and Separator Elevator

Description: Patent for a machine designed to take and clean cotton from a cotton supply, and then feed it directly into a cotton gin. Illustrations included.
Date: May 19, 1908
Creator: Carmouche, Emile A.
Partner: UNT Libraries Government Documents Department

Improvement in Carburaters

Description: Patent of an improvement for a carbureter that furnishes the apparatus for enriching the vapors of gasoline or other light hydrocarbon.
Date: October 19, 1875
Creator: Pollard, James M.
Partner: UNT Libraries Government Documents Department

Combination Drill Bit and Drill Shank

Description: Patent for "Improvements in Combination Drill-Bits and Drill-Shanks" (lines 6-7) including illustrations.
Date: December 30, 1919
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department

Combined Pencil Holder and Sharpener.

Description: Patent for a combined pencil holder and sharpener, which uses the sharpener as a pencil cap.
Date: November 30, 1909
Creator: Haase, Conrad H.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improvements in reversible plows: "The object of the present invention is to simplify and improve the construction of reversible plows and enable them to be adjusted to any desired depth" (lines 9-12).
Date: August 18, 1891
Creator: McKay, Robert B.
Partner: UNT Libraries Government Documents Department

Rail-Bond.

Description: Patent for a rail bond that allows an electric current to travel through the rails.
Date: March 14, 1911
Creator: Humason, Granville A. & Odell, Edward F.
Partner: UNT Libraries Government Documents Department

Conduit Electric Railway.

Description: Patent for an underground conduit electric railway meant to propel cars. The conduit can be drained and kept dry, and a trolley attachment protects the conduit from dirt and water as well.
Date: December 5, 1893
Creator: de Voe, William R.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Paris Green Distributer.

Description: Patent for a new and improved bug sprayer. This design consists in "[t]he combination, in a device for distributing insect-powder, of a blower suspended from the saddle in position to be operated by the foot of the rider, a tube leading from the bellows, and a hopper communicating with the tube" (lines 18-23).
Date: July 29, 1890
Creator: Tucker, Joseph
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Conduit Electric Railway.

Description: Patent for a surface trolley for electric railways that operates "upon the surface of the pavement or ground between the tracks of the road, for connecting the car with the motor power, in place of the trolley and over head wires now suspended upon the unsightly poles in the center or at the sides of the street, which are found to be very objectionable on account of their obstructing the passageway in the streets and upon the side walks, and the wires preventing the free movement of fire compan… more
Date: April 11, 1893
Creator: de Voe, William R.
Partner: UNT Libraries Government Documents Department

Liquid Dispensing Apparatus.

Description: Patent for "certain new and useful Improvements in Liquid Dispensing Apparatus" (lines 5-7) describing new improvements, including instructions and illustrations.
Date: November 28, 1916
Creator: Bradley, Richard C.; Kinnebrew, Lee; Eastham, J. Malley & Ireland, C. Frank
Partner: UNT Libraries Government Documents Department

Process of Treating Hydrocarbons

Description: Patent for a new or improved process which distills heavy hydrocarbon oils into large volumes of gasoline or other lighter volatile liquids.
Date: September 18, 1918
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Well-Tube

Description: Patent for a well tube.
Date: April 8, 1903
Creator: Fox, Edward P.
Partner: UNT Libraries Government Documents Department
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