Patents by Inventor Dennis Norwich

Dennis Norwich 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).

  • Finishing processes for improving fatigue life of metal components
    Publication number: 20050263171
    Abstract: Disclosed herein is a method for polishing metallic articles comprising immersing a portion of the metallic article in abrasive media; tumbling the metallic article in a centrifugal force field; and passivating the metallic article in a passivating solution comprising an acid. Disclosed herein too is a method comprising immersing a portion of the metallic article in a first abrasive media; tumbling the metallic article in a first centrifugal force field; immersing the metallic article in a second abrasive media; tumbling the metallic article in a second centrifugal force field; and passivating the metallic article in a passivating solution comprising an acid.
    Type: Application
    Filed: March 11, 2005
    Publication date: December 1, 2005
    Inventors: Ming Wu, Mark Polinsky, Dennis Norwich, Scott Carpenter