Patents by Inventor Seigfied Poppe

Seigfied Poppe 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).

  • Valve unit for an electrostatic coating installation
    Patent number: 7275702
    Abstract: The main needle valve of an electrostatic atomizer has an opto-electronic sensor device with optical waveguides whose faces are opposite a reflecting element of a component moveable with the valve needle for potential-free switch position interrogations.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: October 2, 2007
    Assignee: Durr Systems, Inc.
    Inventors: Hans J. Nolte, Harry Krumma, Frank Herre, Michael Baumann, Stefano Giuliano, Seigfied Poppe