Patents by Inventor Guido Ropertz

Guido Ropertz 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).

  • Process and apparatus for the separation of metallic components from nonmetallic components of a mixture
    Patent number: 4750993
    Abstract: A process and apparatus for separating metallic from nonmetallic components in a mixture are disclosed. The process and apparatus rely upon the combination of prefractionation by sedimentation, preferably centrifugal sedimentation, followed by final concentration in a laminar flow process, preferably employing a spiral separator and one or more vibrating tables, to recover substantially all metal components of the mixture.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: June 14, 1988
    Assignee: Amberger Kaolinwerke GmbH
    Inventors: Friedrich Donhauser, Guido Ropertz