Patents by Inventor Byron C. Stewart

Byron C. Stewart 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).

  • Electric power plant for motor driven vehicles
    Patent number: 4082988
    Abstract: A battery operated electric power plant for motor driven vehicles powered by rechargeable electric storage batteries and one or more dynamoelectric devices capable of operation both as a motor for driving the vehicle and as a generator for recharging the batteries. Electronic switching circuitry cyclically alternates operation of the dynamoelectric devices in a motor phase and generator phase during each cycle and varies the relative duration of the motor phase and generator phase during each cycle according to the power demand on the electric motor.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: April 4, 1978
    Assignee: Richard Dorst
    Inventors: Roy O. Reime, Byron C. Stewart