Patents by Inventor Seigfried Poppe

Seigfried 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
    Publication number: 20060169937
    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: Application
    Filed: March 27, 2002
    Publication date: August 3, 2006
    Inventors: Hans Nolte, Harry Krumma, Frank Herre, Michael Baumann, Stefano Giuliano, Seigfried Poppe