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Patents Grants
last 30 patents
Information
Patent Grant
High strength, oxidation and wear resistant titanium-silicon based...
Patent number
9,388,481
Issue date
Jul 12, 2016
Elkem AS
Georg Frommeyer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for electrolytic production and refining of metals
Patent number
7,901,561
Issue date
Mar 8, 2011
Elkem AS
Kai Johansen
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Anode for electrolysis of aluminum
Patent number
7,504,010
Issue date
Mar 17, 2009
Elkem AS
Jan Arthur Aune
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrode arrangement as substitute bottom for an electrothermic sl...
Patent number
6,980,580
Issue date
Dec 27, 2005
Alcoa Inc.
Jan Arthur Aune
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Electrolytic cell for the production of aluminum and a method for m...
Patent number
6,811,677
Issue date
Nov 2, 2004
Elkem ASA
Jan Arthur Aune
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method and reactor for production of aluminum by carbothermic reduc...
Patent number
6,805,723
Issue date
Oct 19, 2004
Alcoa Inc.
Jan Arthur Aune
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and reactor for production of aluminum by carbothermic reduc...
Patent number
6,440,193
Issue date
Aug 27, 2002
Alcoa Inc.
Kai Johansen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
HIGH STRENGTH, OXIDATION AND WEAR RESISTANT TITANIUM-SILICON BASED...
Publication number
20150118099
Publication date
Apr 30, 2015
ELKEM AS
Georg Frommeyer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR ELECTROLYTIC PRODUCTION AND REFINING OF METALS
Publication number
20070215483
Publication date
Sep 20, 2007
ELKEM AS
Kai JOHANSEN
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Anode for electrolysis of aluminium
Publication number
20070209944
Publication date
Sep 13, 2007
Elkem AS
Jan Arthur Aune
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
High strength, oxidation and wear resistant titanium-silicon base a...
Publication number
20060013721
Publication date
Jan 19, 2006
ELKEM ASA NORWEIGAN CORPORATION
Georg Frommeyer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Electrode arrangement as substitute bottom for an electrothermic sl...
Publication number
20050041719
Publication date
Feb 24, 2005
Jan Arthur Aune
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND REACTOR FOR PRODUCTION OF ALUMINUM BY CARBOTHERMIC REDUC...
Publication number
20040173053
Publication date
Sep 9, 2004
Jan Arthur Aune
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Electrolytic cell for the production of aluminum and a method for m...
Publication number
20030183514
Publication date
Oct 2, 2003
Jan Arthur Aune
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR