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Process of Producing Gas.

Description: Patent for a continuous process of producing a gas rich in carbon monoxide, in which the gas-forming combustible material enters the gas-generating chamber from one end while producer gas exits the other end. Includes instructions and illustrations.
Date: September 15, 1914
Creator: Hirt, Jules H.
Partner: UNT Libraries Government Documents Department

Process of Treating Speiss.

Description: Patent for "a new and improved process for treating speiss to obtain the valuable metals contained therein" (lines 8-10).
Date: November 15, 1892
Creator: Flury, Paul
Partner: UNT Libraries Government Documents Department

Rerailer

Description: Patent for a rerailer for putting railroad cars back on the tracks.
Date: November 15, 1910
Creator: McGann, Thomas W. J.
Partner: UNT Libraries Government Documents Department

Slime Separator and Classifier

Description: Patent for a pulp separator and classifying apparatus. Illustrations included.
Date: February 15, 1910
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Filter.

Description: Patent for a new and improved filter. This design is for "[a] filter consisting of sections secured together at their meeting edges by a lapped joint, the upper edge of [a] section being fitted wholly within [another] section and forming a shoulder for the support of a screen-plate, and the body of filtering material above, a shoulder on [a] section below [the] shoulder, and screen plates resting on and held to the shoulders by the weight of the body of filtering material, whereby, when the fil… more
Date: February 15, 1887
Creator: Begemann, Charles Fredrich William
Partner: UNT Libraries Government Documents Department

Rail Joint Connection

Description: Patent for Rail-Joint Connection
Date: September 15, 1903
Creator: Houlehan, John
Partner: UNT Libraries Government Documents Department

Pipe Connection.

Description: Patent for a new and improved pipe connection. This design has for its object "to provide a new and improved pipe connection which permits of swinging the several connected pipe-sections at angles to each other. The invention consists of two pipe-heads fastened together and turning on a spring-bolt, and of a packing placed between the said pipe-heads to prevent leakage" (lines 8-15).
Date: March 15, 1887
Creator: Jones, William E. & Winniatt, Harry
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

Drafting-Tool.

Description: Patent for a drafting ruler that does not need to be turned end over end to be used.
Date: May 15, 1917
Creator: Faas, Walter
Partner: UNT Libraries Government Documents Department

Garment.

Description: Patent for improvements for garments similar to trousers and overalls. Improvements include provision of fastenings that allow for the adjustment of the waistband.
Date: December 15, 1914
Creator: Mathias, Albert
Partner: UNT Libraries Government Documents Department

Distilling Device

Description: Patent for a water distilling device which connects to a hot water boiler in a house.
Date: March 15, 1910
Creator: Nenninger, Oscar A.
Partner: UNT Libraries Government Documents Department

Coin-Wrapping Device.

Description: Patent for a coin wrapper (primarily used in banks) that uses a strip of carbon paper to create an imprint of the coins contained inside, which will remain after the coins are removed. The purpose of this is to create a record of the original number of coins to facilitate their counting and verification.
Date: November 15, 1921
Creator: Mohr, Arthur D.
Partner: UNT Libraries Government Documents Department

Automobile-Radiator.

Description: Patent for improvements in automobile radiators to provide the ability to remove the top and the bottom of the tanks so they can be easily reached for replacement and repair.
Date: June 15, 1920
Creator: Costelloe, Clinton & Stoll, Sherm G.
Partner: UNT Libraries Government Documents Department

Automatic Ore And Slime Separator

Description: Patent for a automatic ore and slime separator. This invention is designed to separate the sand and other solid particles from water. Illustration included.
Date: March 15, 1904
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Automatic Silt And Sand Separator.

Description: Patent for an automatic silt and sand separator that settles and discharges sand, slimes and any foreign matters.
Date: March 15, 1904
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Automatic Ore and Pulp Sampler

Description: Patent for a automatic ore and pulp sampler. This invention represents a settling tank to accumulate particles. Illustration included.
Date: March 15, 1904
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Signal

Description: Patent for an automobile to signal the direction the car will go. The signal tool functions as a hand on each side of the car and can withstand the weather.
Date: October 15, 1918
Creator: Hibbert, Lammers R.
Partner: UNT Libraries Government Documents Department
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