Patents by Inventor Thomas G. VanSistine

Thomas G. VanSistine 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).

  • Method and apparatus for controlling an induction motor
    Patent number: 6246207
    Abstract: A method and apparatus for controlling a motor. The apparatus includes a voltage input; a half-bridge inverter connected the voltage input and to the motor to provide low speed excitation to the motor; and a circuit for selectively electrically connecting the voltage input to the motor and for selectively electrically disconnecting the inverter from the motor.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: June 12, 2001
    Assignee: A. O. Smith Corporation
    Inventors: Thomas G. VanSistine, Stephen J. Dellinger, Jerry A. Rudiak