Patents by Inventor Gerhard Heese

Gerhard Heese 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).

  • Damper in the form of a shock absorber
    Patent number: 5174421
    Abstract: An inexpensive damper adapted to the stress frequency in the form of a shock absorber, in particular for vehicle seats, consists of an abutment (8), in which an absorber sleeve (2) of a thermoplastic material with a piston (1) guided therein with expansion bead (10) is clamped, wherein the absorber sleeve (2) is composed of a thermoplastic material having a tensile strength .sigma..sub.R of at least 40 MPa, an elongation at break .epsilon..sub.R of at least 60%, a tensile stress at yield .sigma..sub.S of at least 40 MPa and an elongation at yield .epsilon..sub.S of at least 3.5% (according to ISO/R 527 or DIN 53 455 in each case).
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: December 29, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Rink, Gerhard Heese