Patents by Inventor Dan D. Wilhem

Dan D. Wilhem 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).

  • Inductive load driver circuit and system
    Patent number: 7057870
    Abstract: A circuit and system is disclosed for driving one or more inductive loads, or one or more electrical loads including one or more inductive components. A control computer is configured to selectively supply a boost voltage to the one or more inductive loads, and to controllably commutate energy stored in one or more of the inductive loads back to a rechargeable source of the boost voltage.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: June 6, 2006
    Assignee: Cummins, Inc.
    Inventors: William D. Meyer, Bjorn S. Westman, Dan D. Wilhem, Richard J. Dudek