Patents by Inventor Paul H. Curtis

Paul H. Curtis 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 system for an electrically propelled traction vehicle
    Patent number: 5373219
    Abstract: A control system for an electrical propulsion system for a large wheeled vehicle adapted to haul a payload, the vehicle having an internal combustion engine and an electric generating means driven by the engine. The control system measures selected parameters and controls the engine and generating means to maximize output, and records historical operating data relating to the vehicle and its systems, and has a 2 digit display that provides information useful in troubleshooting problems.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: December 13, 1994
    Assignee: General Electric Company
    Inventors: Francis M. Grabowski, Amy D. Duke, Frederick G. Beach, James W. Nash, Paul H. Curtis
  • Control system for an electrically propelled traction vehicle
    Patent number: 5280223
    Abstract: A control system for an electrical propulsion system for a large wheeled vehicle adapted to haul a payload, the vehicle having an internal combustion engine and an electric generating means driven by the engine. The control system measures selected parameters and controls the engine and generating means to maximize output, and records historical operating data relating to the vehicle and its systems, and has a 2 digit display that provides information useful in troubleshooting problem.
    Type: Grant
    Filed: March 31, 1992
    Date of Patent: January 18, 1994
    Assignee: General Electric Company
    Inventors: Francis M. Grabowski, Amy D. Duke, Frederick G. Beach, James W. Nash, Paul H. Curtis