Patents by Inventor Dirk E. McKimmy

Dirk E. McKimmy 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).

  • Differential pressure molding apparatus employing releasable restricted area molding clamp rings
    Patent number: 4600376
    Abstract: A differential pressure molding apparatus comprising plural female mold cavity members and mating plug assist members, vacuum and pressure means for forming sheet material and clamping means to clamp said material, said clamping means having removable insert rings held in place by o-rings.
    Type: Grant
    Filed: June 14, 1985
    Date of Patent: July 15, 1986
    Assignee: John Brown Inc.
    Inventors: Tommie D. Gillman, Dirk E. McKimmy