Manfred Oberbach

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Krefeld-Vergerg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Tap spout for metallurgical vessels and method of repairing
- Patent number 4,984,769
- Issue date Jan 15, 1991
- Didier-Werke AG
- Raimund Bruckner
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for replaceably connecting a casting tube to a closable p...
- Patent number 4,593,838
- Issue date Jun 10, 1986
- Didier-Werke AG
- Manfred Oberbach
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of lining a steel-making furnace
- Patent number 4,468,780
- Issue date Aug 28, 1984
- Didier-Werke AG
- Franz Schellberg
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Molten iron containing vessel with improved refractory lining
- Patent number 4,432,536
- Issue date Feb 21, 1984
- Didier-Werke AG
- Heinz Coordes
- B22 - CASTING POWDER METALLURGY