Patents by Inventor James D. Worden

James D. Worden 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).

  • Vehicle drive control system
    Patent number: 5808427
    Abstract: In accordance with the present invention, an electric vehicle drive control system is provided. The system of the present invention controls the supply of actuating power to an electric motor for driving the vehicle. One preferred embodiment of the system permits a user to temporarily override a previously selected maximum power usage level for the motor so as to permit the amount of power supplied to the motor to be increased to a higher maximum power usage level.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: September 15, 1998
    Assignee: Solectria Corporation
    Inventors: James D. Worden, Ricardo Espinosa, Roderick T. Hinman, Gill A. Pratt
  • Rear drive electric vehicle
    Patent number: 5562178
    Abstract: A new vehicle layout in which one or more electric driving motors are located to the rear of the vehicle's rear axle, and connected to a drive shaft that drives the vehicle's rear axle through a rearwards facing differential. This arrangement leaves the entire underside of the vehicle running from the front axle available to accommodate batteries or other large bulky devices.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: October 8, 1996
    Assignee: Solectria Corporation
    Inventors: James D. Worden, Edward D. Trembly