Patents by Inventor Michael Holierhoek

Michael Holierhoek 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 of manufacturing the control arm
    Patent number: 6070445
    Abstract: A vehicle suspension control arm (10) is formed as a single, homogeneous unit of metal material in the configuration of an elongated tube (30). The tube (30) has first and second pairs of opposed openings (68, 68; 80, 80) defining first and second passages (72, 82) which are sized to receive first and second pivotal joint structures (20, 22), respectively. The first and second passages (72, 82) extend transversely through first and second hydroformed sections (40, 42) of the tube (30).
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: June 6, 2000
    Assignee: TRW Inc.
    Inventor: Michael Holierhoek