Patents by Inventor Paul Back

Paul Back 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).

  • DC Excitation control for linear oscillating motors
    Patent number: 4291258
    Abstract: A control method and system for quasi-proportionally controlling the magnitude of DC excitation current supplied to the DC field coil windings of a linear reciprocating motor in proportion to the magnitude of the AC excitation current supplied to the AC field coil windings of the motor.
    Type: Grant
    Filed: June 17, 1980
    Date of Patent: September 22, 1981
    Assignee: Mechanical Technology Incorporated
    Inventors: Howard L. Clark, Richard A. Dorman, Paul Back