Patents by Inventor Mark P. Jehmlich

Mark P. Jehmlich 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).

  • Hemming press
    Patent number: 5457981
    Abstract: A press with both prehemming and final hemming tools or steels each driven by the same prime mover. Each steel is mounted on a separate carrier driven through separate toggle joints to advance and retract the steels for prehemming and final hemming of an upturned flange along an edge of a steel panel. To facilitate synchronizing the operation of at least two presses, the prime mover may be a screw and servo motor drive assembly.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: October 17, 1995
    Assignee: Western Atlas, Inc.
    Inventors: Gerald A. Brown, William R. Hartley, Mark P. Jehmlich, Jeffrey S. McNamara, John C. Verzura