Patents Represented by Attorney, Agent or Law Firm Whitham, Curtis & Whitham, PLC
  • Camshaft for decreased weight and added wear resistance of lobe area
    Patent number: 6442835
    Abstract: A camshaft used in an internal combustion engine which has reduced weight and added wear resistance at a lobe of the camshaft. The camshaft is provided to add increased wear resistance and reduced weight to the internal combustion engine for increased efficiency of the internal combustion engine. The camshaft includes wear resistant material at the surface of the lobe of the camshaft. The wear resistant material is distributed on the outer surface of the lobe and incorporated into the base material.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: September 3, 2002
    Assignee: Caterpillar Inc.
    Inventors: Thomas Majewski, Michael J. Pollard