Patents by Inventor Gunther Leitner

Gunther Leitner 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).

  • Plastic spring
    Patent number: 5984285
    Abstract: A plastic spring consists essentially of a spring support, a web rigidly supported on the spring support, a first spring tongue attached to the web, and at least one auxiliary spring tongue extending from the web between the first spring tongue and the spring support, the spring tongues being parallel to each other. The spring characteristic of such a plastic spring may be adapted to different conditions independently of the material.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: November 16, 1999
    Assignee: Haas Beteiligungsgesellschaft m.b.H.
    Inventors: Helmuth Konig, Gunther Leitner