Patents by Inventor Rudolf Grau

Rudolf Grau 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).

  • Vaporizer body
    Patent number: 10513771
    Abstract: A vaporizer body (1) having a vaporizing surface (3) for vaporizing metal in a PVD-metallization installation, wherein the vaporizing surface (3) comprises a plurality of recesses (5, 5?, 5?), with an opening of the respective recess having an area/perimeter-ratio of greater than or equal to 1.5 mm.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: December 24, 2019
    Assignee: KENNAMETAL SINTEC KERAMIK GMBH
    Inventors: Michael Nürnberger, Rudolf Grau, Hubert Schweiger
  • VAPORIZOR BODY
    Publication number: 20110013891
    Abstract: A vaporizer body (1) having a vaporizing surface (3) for vaporizing metal in a PVD-metallization installation, wherein the vaporizing surface (3) comprises a plurality of recesses (5, 5?, 5?), with an opening of the respective recess having an area/perimeter-ratio of greater than or equal to 1.5 mm.
    Type: Application
    Filed: March 11, 2009
    Publication date: January 20, 2011
    Applicant: Kennamental Sintec Keramik GMBH
    Inventors: Michael Nürnberger, Rudolf Grau, Hubert Schweiger