Patents by Inventor Jobst O. A. Zoellner

Jobst O. A. Zoellner 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).

  • Patent number: 6338303
    Abstract: A perforated bottom plate for the production of a fluidized bed within a container. The perforated bottom plate has a large number of holes through which a gaseous medium flows in order to produce the fluidized bed. For better mixing of the granular material in the fluidized bed, the perforated bottom plate is provided with evenly distributed areas in which, compared to a uniform perforation, a greater number of holes per unit of area is provided.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: January 15, 2002
    Inventor: Jobst O. A. Zoellner