Patents by Inventor Hans J. Herfurth

Hans J. Herfurth 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).

  • Instrument cluster lens assembly and method of making
    Patent number: 6239925
    Abstract: An instrument cluster lens assembly includes a lens having top and bottom surfaces and a mounting portion that is mounted on a base having at least one lens receiving portion. The lens mounting portion is laser welded to the lens receiving portion of the base to securely connect the lens to the base thereby forming the lens assembly for an instrument cluster. Preferably, the lens mounting portion is transparent to laser light and the lens receiving portion of the base is opaque to laser light. A method of forming the instrument cluster lens assembly is also disclosed.
    Type: Grant
    Filed: September 3, 1999
    Date of Patent: May 29, 2001
    Assignee: Key Plastics, Inc.
    Inventors: Kenneth J. Ardrey, Hans J. Herfurth, Sandip R. Mehta