Patents by Inventor Michael G. Martell

Michael G. Martell 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).

  • Quick-change trim press
    Patent number: 5002477
    Abstract: In a press, a platen has opposed fluid, preferably hydraulically, actuated clamp blocks thereon. Each block functions to register with an open-ended slot in a tool mount plate and upon translation of the block to enter an offset slot section in a clamped or locked relationship. The offset slot sections are opposed one another, wedge-shaped, and complementary to block configuration. The tool mount plate can be quickly and conveniently attached and aligned or removed from the platen as needed.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: March 26, 1991
    Assignee: Amoco Corporation
    Inventors: Charles B. Case, Michael G. Martell