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Patents Grants
last 30 patents
Information
Patent Grant
Method for melting ferrous scrap metal and chromite in a submerged...
Patent number
5,654,976
Issue date
Aug 5, 1997
Elkem Technology a/s
Peter Cowx
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for detecting pinholes in continuously cast billets
Patent number
5,363,901
Issue date
Nov 15, 1994
Elkem Technology a/s
Karl O. Bjornestol
G01 - MEASURING TESTING
Information
Patent Grant
Method for treatment of potlining residue from primary aluminium sm...
Patent number
5,286,274
Issue date
Feb 15, 1994
Elkem Technology a/s
Jon G. Lindkvist
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method of treatment of zinc-containing by-products and waste materials
Patent number
5,196,047
Issue date
Mar 23, 1993
Elkem Technology a/s
Jan A. Aune
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering zinc from zinc-containing waste materials
Patent number
5,188,658
Issue date
Feb 23, 1993
Elkem Technology A/S
Jan A. Aune
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and means for continuous production of carbon bodies
Patent number
5,146,469
Issue date
Sep 8, 1992
Elkem Technology a/s
Erik Svana
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Submersible plasma torch
Patent number
5,103,072
Issue date
Apr 7, 1992
Elkem Technology a/s
Inger J. Eikeland
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Column for treating particulate materials with a gas
Patent number
5,092,564
Issue date
Mar 3, 1992
Elkem Technology a/s
Toralv Basen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of flaw detection in billets
Patent number
5,069,005
Issue date
Dec 3, 1991
Elkem Technology a/s
Heljar Hovland
G01 - MEASURING TESTING
Information
Patent Grant
Method for production of metals of ferroalloys by direct reduction
Patent number
4,975,116
Issue date
Dec 4, 1990
Elkem Technology a/s
Toralv Basen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Treating ash and dust from incineration plants by coprocessing with...
Patent number
4,831,943
Issue date
May 23, 1989
Elkem Technology a/s
Jan A. Aune
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74151258 - ELSORB
Serial number
74151258
Registration number
1825059
Filing date
Mar 25, 1991
Elkem Technology a/s
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes