Patents by Inventor Brand Bronsema

Brand Bronsema 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).

  • Bumper beam making process
    Patent number: 5669992
    Abstract: A bumper beam for vehicles is formed from cold-rolled sheet steel having an initial tensile strength of approximately 70 ksi. The steel sheet is roll formed in a desired cross-section and swept into a curvature corresponding to the vehicle requirements before the steel sheet is heat treated by induction heat and quenched to provide a bumper beam having a tensile strength from 100 ksi up to approximately 260 ksi.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: September 23, 1997
    Inventors: Brand Bronsema, Jeffrey A. Anderson, John J. Kary