Patents by Inventor Achim Daume

Achim Daume 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).

  • Sealing bush with a sealing packing for high pressures and temperatures
    Patent number: 4789168
    Abstract: A sealing bush for a moving part has a packing made up of two concentric layers which are bonded to one another. The outer layer consists of a material such as graphite having good resilience. The inner layer, on the other hand, consists of a material such as sealing cord having a coefficient of friction with the moving part which is lower than the coefficient of friction between the moving part and the outer layer. The outer layer bears against the inner layer.
    Type: Grant
    Filed: January 7, 1987
    Date of Patent: December 6, 1988
    Inventor: Achim Daume