Patents by Inventor Wilheim Wust

Wilheim Wust 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).

  • Analytical sieve apparatus
    Patent number: 5059310
    Abstract: A vertical set of sieves receives the particulate material from a vibrating trough conveyor above the set and is vibrated by an agitator on the machine frame. The sieves are spread apart and then tilted to dump the collected particles into respective funnels. The set can then be swung back and contracted for the the next stage. The funnels are connected to collectors which are automatically weighted.
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: October 22, 1991
    Assignees: Rhewum GmbH, Quarzwerke GmbH
    Inventors: Manfred Fischer, Horst Peterling, Johannes Kaiser, Klaus Keuser, Wilheim Wust