Patents by Inventor Stefan Hieringer

Stefan Hieringer 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: 7552915
    Abstract: A column for mass exchange between a liquid and a gas includes at least one pair of adjacent exchange plates, formed by an upper exchange plate and a lower exchange plate. The column also includes a drain shaft for passing liquid between the upper exchange plate and the lower exchange plate, and a recessed inlet cup located underneath a bottom end of the drain shaft. The bottom of the inlet cup is recessed relative to the surface of the lower exchange plate. The recessed inlet cup extends over only one part of the cross-section of the bottom end of the drain shaft.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: June 30, 2009
    Assignee: Linde Aktiengesellschaft
    Inventors: Stefan Hieringer, Anton Moll
  • Publication number: 20060214317
    Abstract: A column for mass exchange between a liquid and a gas includes at least one pair of adjacent exchange plates, formed by an upper exchange plate and a lower exchange plate. The column also includes a drain shaft for passing liquid between the upper exchange plate and the lower exchange plate, and a recessed inlet cup located underneath a bottom end of the drain shaft. The bottom of the inlet cup is recessed relative to the surface of the lower exchange plate. The recessed inlet cup extends over only one part of the cross-section of the bottom end of the drain shaft.
    Type: Application
    Filed: March 20, 2006
    Publication date: September 28, 2006
    Inventors: Stefan Hieringer, Anton Moll