Jean Bastien

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L'Etrat, FR

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Patents Grantslast 30 patents

Information Patent Grant
Tuyere for use in refining liquid metals
- Patent number 4,243,211
- Issue date Jan 6, 1981
- Creusot-Loire
- Pierre J. Leroy
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of injecting a powder containing carbon into a metal bath
- Patent number 4,045,213
- Issue date Aug 30, 1977
- Creusot-Loire
- Pierre Leroy
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for use in the treatment of metals in the liqu...
- Patent number 3,992,194
- Issue date Nov 16, 1976
- Creusot-Loire
- Pierre Leroy
- B22 - CASTING POWDER METALLURGY