Patents by Inventor Fritz G. Sturmer

Fritz G. Sturmer 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).

  • Two-stage pusher centrifuge
    Patent number: 4226724
    Abstract: A two-stage pusher centrifuge with a pusher bottom and an axially displaceable cylindrical inner drum which serves as pusher element for a subsequent outer drum which is cylindrical within the pusher region. That cylindrical section of the outer drum which is located in the pusher region is followed by a conically widening section conically widening toward the open drum end.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: October 7, 1980
    Assignee: Siebtechnik GmbH
    Inventor: Fritz G. Sturmer