Ragnar Tronstad

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Sogne, NO

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Patents Grantslast 30 patents

Information Patent Grant
Solar cells
- Patent number 8,735,203
- Issue date May 27, 2014
- Elkem Solar AS
- Eric Enebakk
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Coating composition for a mould
- Patent number 8,147,605
- Issue date Apr 3, 2012
- Elkem Solar AS
- Ragnar Tronstad
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Silicon feedstock for solar cells
- Patent number 7,931,883
- Issue date Apr 26, 2011
- Elkem AS
- Erik Enebakk
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Calcium-silicate based slag for treatment of molten steel
- Patent number 7,918,916
- Issue date Apr 5, 2011
- Elkem ASA
- Erik Enebakk
- C21 - METALLURGY OF IRON
Information Patent Grant
Calcium-silicate based slag for treatment of molten silicon
- Patent number 7,854,784
- Issue date Dec 21, 2010
- Elkem ASA
- Erik Enebakk
- C21 - METALLURGY OF IRON
Information Patent Grant
Silicon feedstock for solar cells
- Patent number 7,381,392
- Issue date Jun 3, 2008
- Elkem AS
- Erik Enebakk
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for determination of the tip position of consumable electrod...
- Patent number 6,178,191
- Issue date Jan 23, 2001
- Elkem ASA
- Kjell Kalgraf
- F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents

Information Patent Application
SOLAR CELLS
- Publication number 20100212738
- Publication date Aug 26, 2010
- ELKEM SOLAR AS
- Erik Enebakk
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
COATING COMPOSITION FOR A MOULD
- Publication number 20100133415
- Publication date Jun 3, 2010
- ELKEM SOLAR AS
- Ragnar Tronstad
- C30 - CRYSTAL GROWTH
Information Patent Application
CALCIUM-SILICATE BASED SLAG FOR TREATMENT OF MOLTEN SILICON
- Publication number 20090274608
- Publication date Nov 5, 2009
- ELKEM ASA
- Erik ENEBAKK
- C21 - METALLURGY OF IRON
Information Patent Application
SILICON FEEDSTOCK FOR SOLAR CELLS
- Publication number 20080206123
- Publication date Aug 28, 2008
- ELKEM ASA
- Erik Enebakk
- C30 - CRYSTAL GROWTH
Information Patent Application
CALCIUM-SILICATE BASED SLAG FOR TREATMENT OF MOLTEN SILICON
- Publication number 20080156145
- Publication date Jul 3, 2008
- ELKEM ASA
- Erik ENEBAKK
- C21 - METALLURGY OF IRON
Information Patent Application
Silicon feedstock for solar cells
- Publication number 20070128099
- Publication date Jun 7, 2007
- ELKEM ASA
- Erik Enebakk
- C30 - CRYSTAL GROWTH
Information Patent Application
Calcium-silicate based slag for treatment of molten steel
- Publication number 20050172757
- Publication date Aug 11, 2005
- Erik Enebakk
- C21 - METALLURGY OF IRON