Patents by Inventor Bruce Christenson

Bruce Christenson 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 to improve adhesion between pre-cured elastomer and metal surface
    Publication number: 20020096245
    Abstract: The bond strength between a pre-cured elastomeric member and a metal surface is increased by applying a phosphate coating to the metal surface. This is particularly suitable for use in formation of torsional vibration dampeners wherein an elastomeric member is compression fitted between an outer annular ring and a hub thereby decreasing slippage between the annular weigh and the hub.
    Type: Application
    Filed: January 25, 2002
    Publication date: July 25, 2002
    Applicant: Eagle-Picher Industries, Inc.
    Inventors: Bruce Christenson, Gary Veselica
  • Method to improve adhesion between pre-cured elastomer and metal surface
    Patent number: 6358349
    Abstract: The bond strength between a pre-cured elastomeric member and a metal surface is increased by applying a phosphate coating to the metal surface. This is particularly suitable for use in formation of torsional vibration dampeners wherein an elastomeric member is compression fitted between an outer annular ring and a hub thereby decreasing slippage between the annular weight and the hub.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: March 19, 2002
    Assignee: Eagle-Picher Industries, Inc.
    Inventors: Bruce Christenson, Gary Veselica