Patents by Inventor Hans Werther

Hans Werther 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: 6325383
    Abstract: A sealing arrangement having two machine parts which are moved relative to one another and which enclose a sealing ring, the sealing arrangement having a radially internal retaining part, a radially external sealing part, and a resilient connecting part joining these two. The sealing part is prestressed with respect to the radially outward opposing sealing surface exclusively by the elongation of the holding part while the diameter of the sealing part remains unchanged.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: December 4, 2001
    Assignee: Firma Carl Freudenberg
    Inventors: Otto Kahle, Hans Werther