Patents by Inventor Eric Damm

Eric Damm 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).

  • Compensator for a mechanical pendulum clock
    Patent number: 5268881
    Abstract: A compensator for a mechanical pendulum clock has on the rear side of a pendulum bob a center of gravity adjusting device, which is actuated by an electric motor. An electronic controller, which is designed as a comparator and which works as a function of the difference between the signals of a pendulum frequency generator and a clock generator designed as quartz reference oscillator, serves to drive the electric motor.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: December 7, 1993
    Assignee: Harry Wolff
    Inventor: Eric Damm