Patents by Inventor Frank HASSERT

Frank HASSERT 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: 20100034650
    Abstract: The invention relates to a centrifugal pump, in particular, a single stage or multi-stage side channel pump in a modular design, wherein the stage or every stage of the pump comprises a preferably divided modular housing with assigned centrifugal impellers, which are designed so as to be self-supporting; and, thus, a pump shaft, which is known in the prior art, is no longer necessary.
    Type: Application
    Filed: August 6, 2009
    Publication date: February 11, 2010
    Applicant: SERO PUMPSYSTEMS GMBH
    Inventors: Frank HASSERT, Beate ZIETEK-STRIETZ