Patents by Inventor Hoppe Bernd

Hoppe Bernd 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).

  • Pusher centrifuge
    Patent number: 5205933
    Abstract: A pusher centrifuge which includes a housing and at least two screening drums for dewatering infed material. The screening drums and a pusher ring are mounted for rotary movement about a longitudinal axis. The pusher ring is further mounted for oscillatory movement, with respect to the longitudinal axis. During advancing movement of the pusher ring, the screening drums are rotated relative to each other about the longitudinal axis.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: April 27, 1993
    Assignee: Sulzer Escher Wyss AG
    Inventor: Hoppe Bernd