Patents by Inventor James C. Henehan

James C. Henehan 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).

  • Patent number: 5427186
    Abstract: A method for forming a blade adapted to be attached to an earthworking vehicle and the resultant wear resistant blade has a wear surface assembly which includes a carbide insert sandwiched between a steel plate and a composite material within a pocket on the front surface of the blade spaced from the blade cutting edge.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: June 27, 1995
    Assignee: Caterpillar Inc.
    Inventors: Richard L. Adrian, James C. Henehan, Phillip J. Shankwitz
  • Patent number: 5403544
    Abstract: A method for forming a wear surface on a metal substrate has a slurry which includes wear resistant particles, powdered steel, and binder system positioned on the metal substrate by retaining walls for a time sufficient for drying the slurry and forming a composite material of preselected thickness "T". The retaining walls are then removed and the substrate and the composite material are heated and passed through a rolling mill compressing the composite material.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: April 4, 1995
    Assignee: Caterpillar Inc.
    Inventors: Richard L. Adrian, James C. Henehan, Phillip J. Shankwitz