Patents by Inventor Lance Heiser

Lance Heiser 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).

  • Slip joint exhaust manifolds
    Patent number: 7328685
    Abstract: A multi-piece exhaust manifold includes a ring seal between separate portions. The separate portions have generally cylindrical sealing surfaces formed thereon to mate with the ring seal. The ring seal may include a metal sheath filled with graphite or other sealing material.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: February 12, 2008
    Assignee: Dana Corporation
    Inventors: Martin Mockenhaupt, Lance Heiser, Joseph Ulrich
  • Slip joint exhaust manifolds
    Publication number: 20060272321
    Abstract: A multi-piece exhaust manifold includes a ring seal between separate portions. The separate portions have generally cylindrical sealing surfaces formed thereon to mate with the ring seal. The ring seal may include a metal sheath filled with graphite or other sealing material.
    Type: Application
    Filed: June 1, 2005
    Publication date: December 7, 2006
    Inventors: Martin Mockenhaupt, Lance Heiser, Joseph Ulrich