Patents by Inventor Peter Hupe

Peter Hupe 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).

  • Apparatus for solvent degassing and solvent supply in liquid chromatographs
    Patent number: 4374656
    Abstract: An apparatus for solvent degassing and solvent supply in a liquid chromatograph comprises at least one solvent storage vessel, the volume of which is partly filled with liquid solvent while the remaining volume forms a vapor volume. A helium source is connected to said vapor volume for avoiding re-absorption of air by the solvent. A vacuum pump is connected to said vapor volume via a suction line, and a solvent source is connected to said vapor volume via a supply line. A pore filter terminates said supply line within said vapor volume.
    Type: Grant
    Filed: June 24, 1981
    Date of Patent: February 22, 1983
    Assignee: Hewlett-Packard GmbH
    Inventors: Helge Schrenker, Peter Hupe