Karl Muller

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for direct recovery of metal from metal-bearing ores
- Patent number 4,223,876
- Issue date Sep 23, 1980
- Klockner-Humboldt-Wedag AG
- Horst Weigel
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for direct recovery of metal from metal-bearing ores
- Patent number 4,179,284
- Issue date Dec 18, 1979
- Klockner-Humboldt-Deutz Aktiengesellschaft
- Horst Weigel
- C21 - METALLURGY OF IRON