Patents by Inventor Michael Hellstrom

Michael Hellstrom 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).

  • Device at hollow beams forming a part of a car body
    Patent number: 5207475
    Abstract: A structure for forming hollow beams within a car body. The beams are stiffened in their transverse direction by means of cross frames. The cross frames may have a tubular member arranged transversely to the axial length. At one end there may be provided at least partially formed side flanges which are firmly attached to the beam. The length of the tubular member is preferably at least slightly shorter than the distance between the opposite longitudinal sides forming a free space between the other end of the tubular member and one of the longitudinal sides of the beam.
    Type: Grant
    Filed: October 23, 1991
    Date of Patent: May 4, 1993
    Assignee: AB Volvo
    Inventor: Michael Hellstrom