Patents by Inventor Udo Dorge

Udo Dorge 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).

  • Torsion-vibration damper
    Patent number: 4873887
    Abstract: A torsion-vibration damper comprising a driving ring and take-off ring that are rotatable relative to each other, segment chambers spaced from the axis of rotation, the chambers being bounded by the driving ring and the take-off ring and divided into subchambers by a partition, the subchambers being connected by at least one connecting opening and having at least one boundary formed of a resilient wall part.
    Type: Grant
    Filed: November 5, 1987
    Date of Patent: October 17, 1989
    Assignee: Firma Carl Freudenberg
    Inventors: Rainer Andra, Klaus Kurr, Gunter Ullrich, Udo Dorge