Patents by Inventor Achim Beutel

Achim Beutel 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: 4949819
    Abstract: In a telescoping shock damper, a seal which seals the plunger rod against the barrel comprises an inside lip ring of PTFE and an outside supporting ring of rubber. The lip ring and supporting ring are integrally joined together and are defined by faces running preferably radially which merge with one another.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: August 21, 1990
    Assignee: Firma Carl Freudenberg
    Inventors: Achim Beutel, Michael Wetzel
  • Patent number: 4616837
    Abstract: A seal ring has a holding ring for fixedly mounting the seal ring on one machine part. An axially concentric guide ring is tippably supported on one side on a circumferentially-cylindric side of the holding ring. The other side of the guide ring guides the seal ring on another, relatively-movable machine part. A sealing ring having a sealing lip for sealing about the relatively-movable machine part is sealingly connected to the guide ring. A membrane-like annular projection of the sealing ring can be sealingly connected to the holding ring to seal and hold the holding and guide rings together.
    Type: Grant
    Filed: December 11, 1985
    Date of Patent: October 14, 1986
    Assignee: H. Weissenfeld-Richters
    Inventor: Achim Beutel