Patents by Inventor Rudolf Karl GRAU

Rudolf Karl 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).

  • Evaporator body with titanium hydride coating, method for the production and usage thereof
    Patent number: 11846014
    Abstract: An evaporator body for a PVD coating system comprises a basic body and an evaporator surface, to which a titanium dihydride layer is applied. A titanium hydride layer comprises an organic carrier agent and titanium hydride as the single inorganic solid. The thickness of the layer is less than or equal to 10 ?m.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: December 19, 2023
    Assignee: KENNAMETAL INC.
    Inventors: Rodrigue Ngoumeni Yappi, Hubert Josef Schweiger, Rudolf Karl Grau
  • Vaporizer body
    Patent number: 11473187
    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: November 15, 2019
    Date of Patent: October 18, 2022
    Assignee: KENNAMETAL SINTEC KERAMIK GMBH
    Inventors: Michael Hans Nürnberger, Rudolf Karl Grau, Hubert Josef Schweiger
  • Evaporator body with titanium hydride coating, method for the production and usage thereof
    Publication number: 20200240001
    Abstract: An evaporator body for a PVD coating system comprises a basic body and an evaporator surface, to which a titanium dihydride layer is applied. A titanium hydride layer comprises an organic carrier agent and titanium hydride as the single inorganic solid. The thickness of the layer is less than or equal to 10 ?m.
    Type: Application
    Filed: April 14, 2020
    Publication date: July 30, 2020
    Inventors: Rodrigue Ngoumeni Yappi, Hubert Josef Schweiger, Rudolf Karl Grau
  • Evaporator body with titanium hydride coating, method for the production and usage thereof
    Patent number: 10689750
    Abstract: An evaporator body for a PVD coating system comprises a basic body and an evaporator surface, to which a titanium dihydride layer is applied. A titanium hydride layer comprises an organic carrier agent and titanium hydride as the single inorganic solid. The thickness of the layer is less than or equal to 10 ?m.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: June 23, 2020
    Assignee: KENNAMETAL INC.
    Inventors: Rudolf Karl Grau, Rodrigue Ngoumeni Yappi, Hubert Josef Schweiger
  • VAPORIZER BODY
    Publication number: 20200080190
    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: November 15, 2019
    Publication date: March 12, 2020
    Inventors: Michael Hans Nürnberger, Rudolf Karl Grau, Hubert Josef Schweiger
  • EVAPORATOR BODY WITH TITANIUM HYDRIDE COATING, METHOD FOR THE PRODUCTION AND USAGE THEREOF
    Publication number: 20170022600
    Abstract: An evaporator body for a PVD coating system comprises a basic body and an evaporator surface, to which a titanium dihydride layer is applied. A titanium hydride layer comprises an organic carrier agent and titanium hydride as the single inorganic solid. The thickness of the layer is less than or equal to 10 ?m.
    Type: Application
    Filed: July 20, 2016
    Publication date: January 26, 2017
    Inventors: Rudolf Karl GRAU, Rodrigue NGOUMENI YAPPI, Hubert Josef SCHWEIGER
  • EVAPORATION UNIT AND METHOD FOR EVAPORATING AN OBJECT WITH SAID TYPE OF EVAPORATION UNIT
    Publication number: 20160138152
    Abstract: In order to ensure that metal is homogeneously vaporized, in particular in a vacuum-strip vaporizer plant, a vaporization unit (2) is provided which has an inner cavity (6) which is defined by a circumferential web (10) to which an outer cavity (8) is connected.
    Type: Application
    Filed: June 13, 2014
    Publication date: May 19, 2016
    Inventors: Alexander DRAKEN, Rudolf Karl GRAU, Rodrigue NGOUMENI YAPPI, Hubert Josef SCHWEIGER