Joachim Janz

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Oyten, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing metal from metal ores
- Patent number 6,231,638
- Issue date May 15, 2001
- Der Grune Punkt - DSD Duales System Deutschland AG
- Joachim Janz
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the production of metal from metal ores
- Patent number 5,772,727
- Issue date Jun 30, 1998
- Stahlwerke Bremen GmbH
- Hans De Haas
- C21 - METALLURGY OF IRON