Patents by Inventor Phillip E. Moldenhauer

Phillip E. Moldenhauer 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).

  • Apparatus for extruding a viscous material
    Patent number: 5468137
    Abstract: This invention relates to an apparatus for continuously extruding a viscous material having discontinuous reinforcing fibers therein. The apparatus has a rotating extruder head assembly including an extruding die having an extruding passage. A plurality of vanes extend outward from the extruding passage. In response to rotation of the extruder head assembly the fibers are orientated on a helix about a mandrel.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: November 21, 1995
    Assignee: Caterpillar Inc.
    Inventors: David C. Becktel, Harry B. Newman, Phillip E. Moldenhauer