Patents by Inventor Susan Heimbaugh

Susan Heimbaugh 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).

  • Constant torque AC induction motor controller
    Publication number: 20030034753
    Abstract: A constant torque alternating current (AC) induction motor controller adapted to be attached to machine tools uses a power factor controller. With induced EMF sensing, the controller provides enhanced “soft” starting of the motor.
    Type: Application
    Filed: August 14, 2001
    Publication date: February 20, 2003
    Inventors: Ashley R. Heimbaugh, Susan Heimbaugh