Henri Klein

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Niedercorn, LU

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Patents Grantslast 30 patents

Information Patent Grant
Oxygen injection lance
- Patent number 4,993,691
- Issue date Feb 19, 1991
- Arbed S.A.
- Robert Mousel
- C21 - METALLURGY OF IRON
Information Patent Grant
Nozzle for refining lance
- Patent number 4,971,297
- Issue date Nov 20, 1990
- Arbed S.A.
- Romain Henrion
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus and method for emptying metallurgical vessels containing...
- Patent number 4,767,036
- Issue date Aug 30, 1988
- Arbed S.A.
- Francois Schleimer
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Oxygen blast nozzle
- Patent number 4,730,784
- Issue date Mar 15, 1988
- Arbed S.A.
- Andre Bock
- C21 - METALLURGY OF IRON
Information Patent Grant
Blast pipe for refining nozzle
- Patent number 4,730,814
- Issue date Mar 15, 1988
- Arbed S.A.
- Andre Bock
- C21 - METALLURGY OF IRON
Information Patent Grant
Oxygen nozzle for metal refining
- Patent number 4,730,813
- Issue date Mar 15, 1988
- Arbed S.A.
- Andre Bock
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for closing the discharge aperture of a metallurgical vessel
- Patent number 4,524,958
- Issue date Jun 25, 1985
- Arbed S.A.
- Jean Goedert
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of and apparatus for refining a melt containing solid coolin...
- Patent number 4,434,005
- Issue date Feb 28, 1984
- Arbed S. A. (Luxembourg)
- Paul Metz
- C21 - METALLURGY OF IRON