Erik A. Bengtsson

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Borlange, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for reducing an iron oxide material in a fluid...
- Patent number 4,374,663
- Issue date Feb 22, 1983
- Stora Kopparbergs Bergslags AB
- Per H. Collin
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for reducing finely divided iron oxide material
- Patent number 4,359,212
- Issue date Nov 16, 1982
- Stora Kopparbergs Bergslags AB
- Erik A. Bengtsson
- C21 - METALLURGY OF IRON