Patents by Inventor Patrick J. Thrash

Patrick J. Thrash 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).

  • Resin film infusion mold tooling and molding method
    Patent number: 5902535
    Abstract: A mold apparatus and method for resin film infusion molding including an outer mold tool having a facing sheet adapted to support a resin film and preform assembly. The facing sheet includes attachment features extending therefrom. An inner mold tool is positioned on the facing sheet to enclose the resin film and preform assembly for resin film infusion molding. The inner mold tool includes a plurality of mandrels positioned for engagement with the resin film and preform assembly. Each mandrel includes a slot formed therein. A plurality of locating bars cooperate with the slots and with the attachment features for locating the mandrels longitudinally on the outer mold tool.
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: May 11, 1999
    Assignee: McDonnell Douglas Corporation
    Inventors: Roger Burgess, Brian Grossheim, Karbis Mouradian, Patrick J. Thrash