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Stein Julsrud
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Skien, NO
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Patents Grants
last 30 patents
Information
Patent Grant
Control of temperature and operation of inert electrodes during pro...
Patent number
9,217,204
Issue date
Dec 22, 2015
Norsk Hydro ASA
Ole-Jacob Siljan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method and means for improving electrolysis cell operation
Patent number
7,879,220
Issue date
Feb 1, 2011
Norsk Hydro ASA
Odd-Arne Lorentsen
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Utilisation of oxygen evolving anode for Hall-Hèroult cells and des...
Patent number
7,470,354
Issue date
Dec 30, 2008
Norsk Hydro ASA
Odd-Arne Lorentsen
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Dimensionally stable anode for the electrowinning of aluminum
Patent number
7,452,450
Issue date
Nov 18, 2008
Norsk Hydro ASA
Stein Julsrud
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for operating one or more electrolysiscells for production o...
Patent number
7,422,624
Issue date
Sep 9, 2008
Norsk Hydro ASA
Knut Ingvar Åsen
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Solid multicomponent mixed proton and electron conducting membrane
Patent number
7,288,135
Issue date
Oct 30, 2007
Norsk Hydro ASA
Stein Julsrud
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and an electrowinning cell for production of metal
Patent number
7,144,483
Issue date
Dec 5, 2006
Norsk Hydro ASA
Ole-Jacob Siljan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Material for a dimensionally stable anode for the electrowinning of...
Patent number
7,141,148
Issue date
Nov 28, 2006
Norsk Hydro ASA
Stein Julsrud
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Membrane and use thereof
Patent number
6,786,952
Issue date
Sep 7, 2004
Norsk Hydro ASA
Turid Risdal
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Membrane and use thereof
Patent number
6,503,296
Issue date
Jan 7, 2003
Norsk Hydro ASA
Bent Vigeland
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Catalytic or non-catalytic processes with enriched oxygen as a reac...
Patent number
6,395,243
Issue date
May 28, 2002
Norsk Hydro ASA
Knut Ingvar Åsen
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
DEVICE AND METHOD FOR PRODUCTION OF SEMICONDUCTOR GRADE SILICON
Publication number
20090314198
Publication date
Dec 24, 2009
REC ScanWafer AS
Stein Julsrud
C30 - CRYSTAL GROWTH
Information
Patent Application
REUSABLE CRUCIBLES AND METHOD OF MANUFACTURING THEM
Publication number
20090249999
Publication date
Oct 8, 2009
REC ScanWafer AS
Rune Roligheten
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD AND CRUCIBLE FOR DIRECT SOLIDIFICATION OF SEMICONDUCTOR GRAD...
Publication number
20090208400
Publication date
Aug 20, 2009
Stein Julsrud
C30 - CRYSTAL GROWTH
Information
Patent Application
Method And Means For Improving Electrolysis Cell Operation
Publication number
20080017518
Publication date
Jan 24, 2008
Norsk Hydro ASA
Odd-Arne Lorentsen
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Material for structural components of an electrowinning cell for pr...
Publication number
20070289866
Publication date
Dec 20, 2007
Tyke Naas
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Control of temperature and operation of inert electrodes during pro...
Publication number
20070000787
Publication date
Jan 4, 2007
Ole-Jacob Siljan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Method for operating one or more electrolysiscells for production o...
Publication number
20060162555
Publication date
Jul 27, 2006
NORSK HYDRO ASA
Knut Ingvar Asen
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Utilisation of oxygen evolving anode for hall-heroult cells and des...
Publication number
20060102490
Publication date
May 18, 2006
Odd-Arne Lorentsen
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Material for structural components of an electrowinning cell for pr...
Publication number
20050224362
Publication date
Oct 13, 2005
Tyke Naas
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Ceramic heat exchanger
Publication number
20050009686
Publication date
Jan 13, 2005
Stein Julsrud
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Dimensionally stable anode for the electrowinning of aluminum
Publication number
20040245096
Publication date
Dec 9, 2004
Stein Julsrud
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Solid multicomponent mixed proton and electron conducting membrane
Publication number
20040241071
Publication date
Dec 2, 2004
Stein Julsrud
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Arrangement of anode for utilisation in an electrolysis cell
Publication number
20040178079
Publication date
Sep 16, 2004
Stein Julsrud
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Method and an electrowinning cell for production of metal
Publication number
20040112757
Publication date
Jun 17, 2004
Ole-Jacob Siljan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Material for a dimensionally stable anode for the electrowinning of...
Publication number
20040094429
Publication date
May 20, 2004
Stein Julsrud
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR