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Process and Machine for Making Bricks.

Description: Patent for improvements to brick making machines that will produce bricks with a textile finish.
Date: October 19, 1915
Creator: Rodgers, Edward H.
Partner: UNT Libraries Government Documents Department

Process and Apparatus for Separation of Ores by Flotation.

Description: Patent for a improved process and apparatus use commercially to separate ores using flotation. By "introducing a novel step in the flotation process which results in the complete breaking down of the froth and at the same time keeping the volume of water used within the smallest practical limits thus preventing the washing away of valuable concentrates by an unnecessarily large volume of water" (lines 54-60).
Date: April 18, 1916
Creator: Thompson, W. Albert & Cole, David
Partner: UNT Libraries Government Documents Department

Refrigerator Shipping-Box.

Description: Patent for a "new and useful Improvement in Shipping Boxes" (lines 5-6) including instructions and illustrations.
Date: October 12, 1897
Creator: Andrews, Otis
Partner: UNT Libraries Government Documents Department

Safety Device for Steam-Boilers.

Description: Patent for a safety device for steam boilers, which activates an alarm when water levels are too high on the fuse box that gives an earlier warning, does not allow the fuse box to be changed without the chief engineer being alerted, and prevents false alarms.
Date: July 14, 1908
Creator: Smith, James E.
Partner: UNT Libraries Government Documents Department

Pianissimo Device.

Description: Patent for a pianissimo device for upright pianos, which "takes up the lost motion when the soft pedal is used by automatic means" (lines 14-16).
Date: April 14, 1908
Creator: Decker, Herman L.
Partner: UNT Libraries Government Documents Department

Ore-Separator.

Description: Patent for an improved, efficient, simple, and durable ore separator that quickly separates precious metals from sand. The operator puts the unfiltered material in the top of the separator, the material goes down a slide, through a stirrer, and out the other end.
Date: August 15, 1893
Creator: Dilworth, Robert
Partner: UNT Libraries Government Documents Department

Oven-Thermometer

Description: Patent for "an instrument for indicating the temperature of an oven, so that the fire may be regulated to secure the required temperature for any particular article" (lines 21-25).
Date: May 21, 1889
Creator: Voss, John C.
Partner: UNT Libraries Government Documents Department

Gas-Producer

Description: Patent for improvements in the apparatus for making producer gas to provide a safer and more effective gas storage unit.
Date: February 14, 1910
Creator: Hirt, Jules H.
Partner: UNT Libraries Government Documents Department

Game

Description: Patent for a game. This invention is board-game simulating base-ball. Illustration included.
Date: January 6, 1907
Creator: Grant, Joseph T.
Partner: UNT Libraries Government Documents Department

Gas Producer

Description: Patent for a gas producer from a continuous stream of combustibles with air.
Date: June 17, 1913
Creator: Hirt, Jules H.
Partner: UNT Libraries Government Documents Department

Gas-Producer.

Description: Patent for an improvement to a gas producing apparatus which makes gas continuously from "combustible material mixed with air and the subsequent combination of gases formed by the decomposition" (lines 13-15) of resulting gases, including instructions and illustrations.
Date: April 28, 1914
Creator: Hirt, Jules H.
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for a gate "in which the one hinge point is adapted to be shifted to cause the gate to swing in one direction or the other... [by] providing means for shifting the hinge point of the gate from a carriage or a wagon on the roadway without leaving the latter" (lines 11-13, 15-17); including instructions and illustrations.
Date: November 11, 1913
Creator: Craig, Sam A.
Partner: UNT Libraries Government Documents Department

Galvanizing Process.

Description: Patent for a galvanizing process which simplifies the galvanizing of small articles such as bolts, nails, or the like.
Date: December 9, 1919
Creator: Watrous, Edward L.
Partner: UNT Libraries Government Documents Department

Pistol-Holster.

Description: Patent for a pistol holster that allows the weapon to be more easily drawn, including illustrations.
Date: June 12, 1917
Creator: Shelton, Walter H.
Partner: UNT Libraries Government Documents Department

Piston

Description: The Patent for an improved piston to be used in connection with the cylinders of air brakes. The improvement involves making the removal and replacement of worn out packing material easier.
Date: July 22, 1913
Creator: King, Herbert G.
Partner: UNT Libraries Government Documents Department

Pistol-holster

Description: Patent for a pistol holster that is "adapted particularly for use in a hip pocket." It is an improved version of the inventor's patent from 1908.
Date: December 8, 1914
Creator: Gaskill, Charles E.
Partner: UNT Libraries Government Documents Department

Electric-Circuit -Closing Device.

Description: Patent for certain new and useful improvements in electric circuit closing devices.
Date: March 22, 1898
Creator: Newman, George
Partner: UNT Libraries Government Documents Department

Electric Insact Trap.

Description: Patent for an electric insect trap that highly efficient trap for electrocuting house flies and similar insects, include illustrations.
Date: January 20, 1914
Creator: Craig, Samuel A.
Partner: UNT Libraries Government Documents Department

Door Check

Description: Patent for door check. Illustration included.
Date: December 19, 1905
Creator: McGinnis, Charles
Partner: UNT Libraries Government Documents Department

Door Stop

Description: Patent for a door stop. Illustration included.
Date: May 30, 1905
Creator: Roe, John Taylor
Partner: UNT Libraries Government Documents Department

Dust and Wind Guard

Description: Patent for a window designed to shield against dust and wind. Illustrations included.
Date: October 25, 1910
Creator: Anson, Warren J.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Economy Air-Brake Apparatus

Description: Patent for improvements to railway air-brake apparatuses, including specifications for such improvements.
Date: August 3, 1915
Creator: Canion, William G.
Partner: UNT Libraries Government Documents Department

Dynamometer for Locomotives.

Description: Patent for a new and improved dynamometer for locomotives. This design is "to provide a novel construction in dynamometers for indicating the traction power of locomotives" (lines 9-11). It consists in "a draw-head, a chamber containing a liquid located therein, a piston operating in said chamber, means for connecting said piston with the opposite draw-head, suitable tubing connecting with the said chamber, and a pressure-gage mounted upon or attached to the said tubing and actuated by the said… more
Date: January 13, 1891
Creator: Innes, Robert H.
Partner: UNT Libraries Government Documents Department
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