Patents by Inventor Karl H. Zettier

Karl H. Zettier 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).

  • Method of precipitating cheese fines from whey
    Patent number: 4946698
    Abstract: A method of precipitating cheese fines from whey by using a self-emptying centrifuge, wherein the clarified whey is continuously extracted and the cheese fines are intermittently extracted. The cheese fines are intercepted by a solids collector and rinse is supplied to the solids collector. The rinse will not change the structure of the cheese fines and clarified and heated whey is accordingly employed as a rinse in the centrifuge.
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: August 7, 1990
    Assignee: Westfalia Separator AG
    Inventors: Karl H. Zettier, Siegfried Klapper, Hartwig Fritze, Reinhard Meyer
  • Centrifuge for clarifying or separating suspensions
    Patent number: 4631049
    Abstract: A centrifuge for clarifying or separating suspensions has a centrifuge drum with a bottom, a lid, an annular seal that unites them, a chamber that provides access for the suspension, and a distributor. The suspension can be supplied past the distributor to a package of conical plates provided with inner ascending channels.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: December 23, 1986
    Assignee: Westfalia Separator AG
    Inventor: Karl H. Zettier