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in subjects: "machinery"  
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Fiber Cleaning Machine

Description: Patent for a machine for removing the bark or husk and pulp from fibrous plants. This machine promises to be smaller and more efficient than earlier models.
Date: August 22, 1911
Creator: Vaughn, Henry L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Method of Welding

Description: Patent for an improved method of welding broken frames in portions of machinery that are difficult to access, with illustrations and instructions.
Date: April 23, 1918
Creator: Brown, Charles Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dynamo-Electric Machine

Description: Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of… more
Date: January 10, 1922
Creator: Kuhn, Preston Holmes
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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