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Guy Denier
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Patents Grants
last 30 patents
Information
Patent Grant
Method for treating steel plant slag
Patent number
6,945,077
Issue date
Sep 20, 2005
Paul Wurth S.A.
Jean-Luc Roth
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for making steel in a liquid melt-fed electric furnace
Patent number
RE37897
Issue date
Nov 5, 2002
Paul Wurth S.A.
André Kremer
075 - Specialized metallurgical processes, compositions for use therein, cons...
Information
Patent Grant
Method for making steel in a liquid melt-fed electric furnace
Patent number
6,238,452
Issue date
May 29, 2001
Paul Wurth, S.A.
André Kremer
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of improving permeability of metallurgical vessels, and mate...
Patent number
4,779,846
Issue date
Oct 25, 1988
Institut de Recherches de la Siderurgie Francaise
Guy Denier
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of improving the service life of permeable refractory elemen...
Patent number
4,735,398
Issue date
Apr 5, 1988
Institute de Recherches de la Siderurgie Francaise
Guy Denier
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of improving permeability of metallurgical vessels, and mate...
Patent number
4,696,456
Issue date
Sep 29, 1987
Institut de Recherches de la Siderurgie Francaise
Guy Denier
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of improving the service life of permeable refractory elemen...
Patent number
4,690,386
Issue date
Sep 1, 1987
Institute de Recherches de la Siderurgie Francaise
Guy Denier
C21 - METALLURGY OF IRON
Information
Patent Grant
Installation for the production of steel by pre-smelting of pig iron
Patent number
4,627,601
Issue date
Dec 9, 1986
IRSID
Aristide Berthet
C21 - METALLURGY OF IRON
Information
Patent Grant
Process of refining of a metal bath in a crucible with oxygen blast...
Patent number
4,369,060
Issue date
Jan 18, 1983
Arbed S.A.
Paul Metz
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing stainless steel
Patent number
4,141,723
Issue date
Feb 27, 1979
Institut de Recherches de la Siderurgie Francaise (Irsid)
Guy Denier
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
Method for treating steel plant slag
Publication number
20030010060
Publication date
Jan 16, 2003
Jean-Luc Roth
C21 - METALLURGY OF IRON