Patents by Inventor James Milton Welter

James Milton Welter 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).

  • Auxiliary power unit for moving a vehicle
    Patent number: 7484583
    Abstract: A power system is provided having at least one traction device and a primary power source configured to power the at least one traction device. In addition, the power system includes an auxiliary power source also configured to power the at least one traction device.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: February 3, 2009
    Assignee: Caterpillar Inc.
    Inventors: Sivaprasad Akasam, Kris W. Johnson, Matthew D. Johnson, Larry M. Slone, James Milton Welter
  • Auxiliary power unit for moving a vehicle
    Publication number: 20080078592
    Abstract: A power system is provided having at least one traction device and a primary power source configured to power the at least one traction device. In addition, the power system includes an auxiliary power source also configured to power the at least one traction device.
    Type: Application
    Filed: September 29, 2006
    Publication date: April 3, 2008
    Inventors: Sivaprasad Akasam, Kris W. Johnson, Matthew D. Johnson, Larry M. Slone, James Milton Welter