UNT Libraries Government Documents Department - 21 Matching Results

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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
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Texas Attorney General Opinion: V-432

Description: Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Constitutionality of H.B. 796, Acts 50th Leg., 1947, as it relates to juvenile officers in El Paso County.
Date: November 15, 1947
Creator: Texas. Attorney-General's Office.
Item Type: Refine your search to only Text
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