Patents by Inventor Gary J. Zimmerman

Gary J. Zimmerman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pneumatic anode positioning system
    Patent number: 4210513
    Abstract: A pneumatic anode positioning apparatus is disclosed for positioning any number of a plurality of anodes relative to a cathode in an electrolytic cell. This apparatus comprises a means for determining the desired anode position for each of the anodes and converting the amount of movement necessary to attain such position to a number of increments of predetermined displacement.
    Type: Grant
    Filed: November 2, 1978
    Date of Patent: July 1, 1980
    Assignee: Aluminum Company of America
    Inventors: Thomas A. Mutschler, Gary J. Zimmerman