Patents by Inventor Bryan L. Fredrickson

Bryan L. Fredrickson 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).

  • Control for an all-wheel-drive vehicle
    Patent number: 7549498
    Abstract: A method is provided for controlling an all-wheel-drive vehicle. The method includes providing an aggression signal and determining a desired speed ratio based on the aggression signal. An output speed signal corresponding to the determined desired speed ratio is generated.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: June 23, 2009
    Assignee: Caterpillar Inc.
    Inventors: Stephen Victor Lunzman, John Andrew Yeoman, Sean Wesley Johnson, Bryan L. Fredrickson