Patents by Inventor Stepehn J. Saxby

Stepehn J. Saxby 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).

  • Method for increasing torsional fatigue strength in crankshafts
    Publication number: 20100107808
    Abstract: A method for processing a cast iron crankshaft to improve the torsional fatigue strength of the crankshaft includes forming oil holes into a portion of the crankshaft, treating the portion of the crankshaft to harden an annular area of the portion, and roller burnishing a length of the interior of the oil holes to an increased diameter. The roller burnished length of the oil holes extending from a surface of the crankshaft to at least beyond the hardened annular area.
    Type: Application
    Filed: August 1, 2008
    Publication date: May 6, 2010
    Applicant: Cummins Inc.
    Inventors: Ross W. Alderton, John J. Purcell, Stepehn J. Saxby