Patents by Inventor David B. Swigart

David B. Swigart 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).

  • Apparatus for positioning a gear blank
    Patent number: 5292212
    Abstract: An apparatus for positioning a gear blank on a workpiece spindle of a gear generating machine. An indicating element orientates cutter blades of a milling cutter of a gear generating machine relative to a gear blank and rough cut teeth of the gear blank.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: March 8, 1994
    Assignee: Caterpillar Inc.
    Inventors: Lowes J. Taylor, Joseph R. Pesha, Charles E. Lindsey, David B. Swigart