UNT Libraries Government Documents Department - 5 Matching Results

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Air-Craft Propeller

Patent for an air craft propeller that reduces air resistance.

Date: October 8, 1912

Creator: Koiw, Julius

Carbureter

Patent for a carburetor to be used on internal combustion engines. Illustrations included.

Date: February 8, 1910

Creator: Kingsbury, William P.

Cistern.

Patent for a rain cistern, which can have oil put in it to prevent rust and sends out dirt from the cistern if it overflows.

Date: March 8, 1910

Creator: Fischer, Christian

Process of and Apparatus for Making Halids

Patent for a new and improved process of and apparatus for making halides which transmit the necessary heat to the reaction mass by preheating the chlorine and not through the wall as in usual types of retorts.

Date: July 8, 1919

Creator: Abbott Lyle Stockton

Railroad-Tie.

Patent for a railroad tie, which reduces jars to the train as it crosses over the ties.

Date: November 8, 1910

Creator: Green, Grant C.