Patents by Inventor David L. Rottier

David L. Rottier 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).

  • System and method for reducing quiescent power draw and machine using same
    Patent number: 7977813
    Abstract: A machine includes a plurality of electronic controllers electrically connected to an electrical power source along a first electrical circuit through a first relay and along a second electrical circuit through a second relay. A relay controller is directly connected to the electrical power source along a third electrical circuit, and is in communication with the first relay and the second relay. The relay controller is configured to open or close the first relay or the second relay in response to a power requirement indication.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: July 12, 2011
    Assignee: Caterpillar Inc.
    Inventors: Arick M. Bakken, Dwight D. Lemke, Joseph A. Willenborg, Amanda J. Wilke, Thomas J. Bickel, David L. Rottier, Matthew A. Tobben
  • System and method for reducing quiescent power draw and machine using same
    Publication number: 20100149716
    Abstract: A machine includes a plurality of electronic controllers electrically connected to an electrical power source along a first electrical circuit through a first relay and along a second electrical circuit through a second relay. A relay controller is directly connected to the electrical power source along a third electrical circuit, and is in communication with the first relay and the second relay. The relay controller is configured to open or close the first relay or the second relay in response to a power requirement indication.
    Type: Application
    Filed: December 11, 2008
    Publication date: June 17, 2010
    Inventors: Arick M. Bakken, Dwight D. Lemke, Joseph A. Willenborg, Amanda J. Wilke, Thomas J. Bickel, David L. Rottier, Matthew A. Tobben