Ulrich BARTMANN

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Goslar, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of valve metal powders
- Patent number 10,032,564
- Issue date Jul 24, 2018
- H.C. Starck Tantalum and Niobium GmbH
- Helmut Haas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for production of niobium and tantalum powder
- Patent number 8,801,829
- Issue date Aug 12, 2014
- H. C. Starck GmbH & Co. KG
- Helmut Haas
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Tantalum powder for the production of solid electrolyte capacitors
- Patent number 7,898,794
- Issue date Mar 1, 2011
- H.C. Starck GmbH
- Helmut Haas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the production of niobium and tantalum powder
- Patent number 7,824,463
- Issue date Nov 2, 2010
- H.C. Starck GmbH
- Helmut Haas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCTION OF NIOBIUM AND TANTALUM POWDER
- Publication number 20110067527
- Publication date Mar 24, 2011
- H.C. Starck GmbH
- Helmut HAAS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR THE PRODUCTION OF VALVE METAL POWDERS
- Publication number 20090214378
- Publication date Aug 27, 2009
- H. C. Starck GmbH & Co. KG
- Helmut Haas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Tantalum Powder for the Production of Solid Electrolyte Capacitors
- Publication number 20080094779
- Publication date Apr 24, 2008
- H. C. Starck GmbH & Co. KG
- Helmut Haas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Deoxidation of Valve Metal Powders
- Publication number 20080011124
- Publication date Jan 17, 2008
- H. C. Starck GmbH & Co. KG
- Josua Loffelholz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for the Production of Niobium and Tantalum Powder
- Publication number 20070227305
- Publication date Oct 4, 2007
- H. C. Starck GmbH & Co. KG
- Helmut Haas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...