Patents by Inventor Charles A. Garniewicz

Charles A. Garniewicz 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).

  • Skewed-axis cylindrical die rolling
    Patent number: 4571972
    Abstract: Skewed-axis cylindrical-die rolling method for the production of combined screw-thread and gear-tooth forms on the external surface of bars using multi-element dies which progressively form the screw thread and then the gear teeth on a portion of the screw thread in which the gear-tooth forming die element is free-rotating and the other die elements are driven.
    Type: Grant
    Filed: February 27, 1984
    Date of Patent: February 25, 1986
    Assignee: Kinefac Corp.
    Inventors: Howard A. Greis, Charles A. Garniewicz