Patents by Inventor Xichen Sun

Xichen Sun 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).

  • Laser heat treatment of crankshaft fillets
    Publication number: 20040108306
    Abstract: A diode laser is integrated into fillet heat treatment applications for producing crankshafts, thereby eliminating the need for the mechanical rolling process, polymer-based water quench process, straightening process, and the temper process for treating oil holes not treated by conventional processing, while increasing the strength of the manufactured part.
    Type: Application
    Filed: December 6, 2002
    Publication date: June 10, 2004
    Inventors: Michael Wiezbowski, Xichen Sun