Johan Arnold JOHANSEN

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Kristiansand, NO

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of graphite bodies
- Patent number 10,131,997
- Issue date Nov 20, 2018
- Elkem Carbon AS
- Johan Arnold Johansen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Glue and coating for refractory materials and ceramics
- Patent number 8,748,524
- Issue date Jun 10, 2014
- Elkem Carbon AS
- Bjorn Egeland
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Induction furnace for melting of metals, lining for an induction fu...
- Patent number 8,535,581
- Issue date Sep 17, 2013
- Elkem Carbon AS
- Bjørn Egeland
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method and calcining furnace for electric calcining of carbonaceous...
- Patent number 6,157,667
- Issue date Dec 5, 2000
- Elkem ASA
- Johan Johansen
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method for production of carbon electrodes
- Patent number 5,978,410
- Issue date Nov 2, 1999
- Elkem ASA
- Johan Arnold Johansen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for producing self-baking carbon electrode
- Patent number 5,822,358
- Issue date Oct 13, 1998
- Elkem ASA
- Johan Arnold Johansen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR THE PRODUCTION OF GRAPHITE BODIES
- Publication number 20130004410
- Publication date Jan 3, 2013
- ELKEM CARBON AS
- Johan Arnold Johansen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
INDUCTION FURNACE FOR MELTING OF METALS, LINING FOR AN INDUCTION FU...
- Publication number 20120205829
- Publication date Aug 16, 2012
- ELKEM CARBON AS
- Bjørn EGELAND
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
GLUE AND COATING FOR REFRACTORY MATERIALS AND CERAMICS
- Publication number 20120088876
- Publication date Apr 12, 2012
- ELKEM CARBON AS
- Bjørn EGELAND
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INDUCTION FURNACE FOR MELTING OF METALS, LINING FOR AN INDUCTION FU...
- Publication number 20110192254
- Publication date Aug 11, 2011
- ELKEM CARBON AS
- Bjørn EGELAND
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES