Patents by Inventor Friedhelm Dahmen

Friedhelm Dahmen 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).

  • Patent number: 4384858
    Abstract: A torsionally elastic shock and vibration absorbing coupling, comprises first and second coupling parts which are adapted to be connected to the respective parts which are to be coupled together and which have coupling portions with openings therethrough. An annular resiliently deformable pressure cushion is disposed between the coupling parts with the openings and is connected to each part such as by vulcanizing. At least one substantially non-stretchable rope which passes through the receiving openings of the respective coupling parts overlie the cushion, and extend circumferentially along portions of the respective parts and, between the parts, to interconnect them.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: May 24, 1983
    Assignee: Thyssen Industrie Aktiengesellschaft
    Inventors: Curt Kronert, Friedhelm Dahmen