Patents by Inventor Maynard H. Unger

Maynard H. Unger 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).

  • Automatic workholder avoidance system for a press
    Patent number: 5199338
    Abstract: A collision avoidance system for program controlled punch presses which position the ram at a low "hover" height during work piece movement in which a switch is located to be tripped by inward movement of the workpiece gripper carriage to a degree in which a punch-gripper collision is possible, with the ram elevated to a safe height whenever the switch has been tripped.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: April 6, 1993
    Assignee: Murata Machinery, Limited
    Inventors: Gerard J. Schorn, Maynard H. Unger