Patents by Inventor Daniel Grözinger

Daniel Grözinger 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).

  • Underpressure valve
    Patent number: 6945277
    Abstract: The invention concerns an underpressure valve with a multi-part housing and a disc-like closing body which has at least one opening, and with an opening-free section disposed in alignment with the flow channel of the housing.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: September 20, 2005
    Assignee: J. Schmalz GmbH
    Inventors: Kurt Schmalz, Gernot Schmierer, Thomas Eisele, Daniel Heine, Dieter Geissler, Leonhard Harter, Daniel Grözinger