Patents by Inventor Wilhelmus Antonius Adrianus Koevoets

Wilhelmus Antonius Adrianus Koevoets 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).

  • Three-phase separator for a fluidized bed apparatus
    Patent number: 5855785
    Abstract: The invention relates to a three phase separator which comprises a compartment for the substantial separation of the gas-phase, this compartment being equipped with at least one partition which is applied for an internal gaslift circulation.
    Type: Grant
    Filed: July 9, 1993
    Date of Patent: January 5, 1999
    Assignee: Biothane Corporation
    Inventors: Joseph Johannes Heijnen, Wilhelmus Antonius Adrianus Koevoets, Robert Jan Zoetemeyer