Patents by Inventor Dl Wolfgang Sittig

Dl Wolfgang Sittig 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).

  • Publication number: 20030008758
    Abstract: A horizontal solid-bowl centrifuges with cleaning-in-place jet nozzles for cleaning the bowl in a manner complying with good manufacturing procedure is provided. The bowl is cleaned by a defined arrangement of the cleaning jet nozzles, as the bowl rotates at a speed insufficient to produce a centrifugal force equal to gravitational acceleration, where gravitational acceleration is equal to 1.0 g. The cleaning liquids are then removed after the bowl stops rotating, at the lowest point of the bowl.
    Type: Application
    Filed: March 22, 2002
    Publication date: January 9, 2003
    Inventors: Achim Astheimer, Peter Kraemer, Dl Wolfgang Sittig, Bernhard Unger, Frank Zwilling