UNT Libraries Government Documents Department - 20 Matching Results

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Slime-Pulp Thickener

Description: Patent for a device for thickening slime or pulp in the treating of ores wet milling. The device controls the disbursement of slim pulp in the thickener, producing a better solid to liquid ratios.
Date: August 17, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Automatic Air-Brake Coupling.

Description: Patent for "a new and useful improvements in automatic air-brake couplers to enable others skilled in the art to make and use the same, the invention also relates to improvements in automatic air-brake couplings in cars". (lines 5-10) including instructions and illustrations.
Date: July 17, 1900
Creator: Cary, Lewis C.
Item Type: Refine your search to only Patent

Bed.

Description: Patent for a bed, specifically the joints of a bedframe. The side rails for a bedframe are joined by tapered connectors.
Date: August 17, 1920
Creator: Hellweg, Rudolph F.
Item Type: Refine your search to only Patent

Pulverizer.

Description: Patent for pulverizer that reduces solid or liquid fuel while simultaneously mixing the finely divided material with an oxidizing agent and holding the mixture in suspension, producing a highly combustible mechanical mixture for use in furnaces, gas producers, and other similar apparatus that is more desireable to use finely divided fuel.
Date: September 17, 1912
Creator: Hirt, Jules H.
Item Type: Refine your search to only Patent

Tatting-Shuttle.

Description: Patent for an improvement in shuttles for making tatting which both winds the thread and uses spring tension to prevent it from unwinding, including illustrations and instructions.
Date: June 17, 1919
Creator: Houseman, George Alfred
Item Type: Refine your search to only Patent

Texas Attorney General Opinion: O-7370

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, Grover Sellers, regarding a legal question submitted for clarification: Is the ten dollar membership fee made by the Southwestern Dance Association of El Paso taxable under Article 7047a-19, V.A.C.S.?
Date: October 17, 1946
Creator: Texas. Attorney-General's Office.
Item Type: Refine your search to only Text

Metallic Packing for Pistons.

Description: Patent for metallic packing for pistons, which is composed of three concentric rings and is designed for internal combustion engines. The middle ring is designed to act as a channel for oil or other lubricants.
Date: December 17, 1918
Creator: Williams, Nolan S.
Item Type: Refine your search to only Patent

Check-Punch.

Description: Patent for a simple, inexpensive, and compact check-punch that can be operated by one hand and doesn't take much power to operate. The machine consists of two movable members, "one of which carries all of the male and the other all of the female dies, said members being so related that when moved relatively to each other in one direction all the male dies move as a single member...and enter the female dies, and when moved in the opposite direction all of said male dies are withdrawn" (lines 12-… more
Date: March 17, 1896
Creator: Woodworth, Charles H.
Item Type: Refine your search to only Patent
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