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Serge Devalois
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Fourqueux, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Process and installation for protecting a jet of molten metal for c...
Patent number
4,460,409
Issue date
Jul 17, 1984
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Serge Devalois
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of centrifugally casting metal under an inert atmosphere
Patent number
4,211,269
Issue date
Jul 8, 1980
L'Air Liquide, Societe Anonyme pour l'Etude et L'Expoitation des Procedes Geo...
Gerard Bentz
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of retarding the cooling of molten metal
Patent number
4,181,522
Issue date
Jan 1, 1980
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Jean Galey
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Treating molten metal with a mixture of a cryogenic fluid and solid...
Patent number
4,093,553
Issue date
Jun 6, 1978
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Jean Galey
B22 - CASTING POWDER METALLURGY