Michel Kirchen

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Luxembourg, LU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for lining the inside wall of a vessel with bricks
- Patent number 4,911,595
- Issue date Mar 27, 1990
- Paul Wurth S.A.
- Michel Kirchen
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for lining the inner wall of a vessel with bricks
- Patent number 4,787,796
- Issue date Nov 29, 1988
- Paul Wurth S.A.
- Corneille Melan
- C21 - METALLURGY OF IRON
Information Patent Grant
Automated apparatus for lining the inside wall of a vessel with bricks
- Patent number 4,786,227
- Issue date Nov 22, 1988
- Paul Wurth, S.A.
- Victor Kremer
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for lining the inner wall of a vessel with bricks
- Patent number 4,765,789
- Issue date Aug 23, 1988
- Paul Wurth S.A.
- Emile Lonardi
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Dust collector for furnace charging installation
- Patent number 4,416,673
- Issue date Nov 22, 1983
- Paul Wurth S.A.
- Michel Kirchen
- C21 - METALLURGY OF IRON
Information Patent Grant
Pressure equalization valve and technique for shaft furnace
- Patent number 4,190,074
- Issue date Feb 26, 1980
- Paul Wurth, S.A.
- Pierre H. Mailliet
- C21 - METALLURGY OF IRON