Patents by Inventor Raphael GRAF

Raphael GRAF 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).

  • WEDGE INSERT FOR A POWDER TUBE EXTENSION OF A POWDER SPRAY GUN OPERABLE AT HIGH VOLTAGE, AND POWDER TUBE EXTENSION WITH WEDGE INSERT
    Publication number: 20130264395
    Abstract: The wedge insert for a powder tube extension of a powder spray gun operable at high voltage comprises a sleeve, wherein the sleeve has a radial web, which is wedge-shaped on the upstream side. In addition, an axially running channel, into which a guide tube, which guides an electrode with a high voltage, can be inserted, is provided in the web.
    Type: Application
    Filed: April 8, 2013
    Publication date: October 10, 2013
    Applicant: J. WAGNER AG
    Inventors: Pierre PLASCAR, Thomas SCHWARZ, Raphael GRAF, Thomas NAUER