TREA

Patrick Derungs

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  • Garnich, LU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Top blowing refining lance
    • Patent number 5,227,118
    • Issue date Jul 13, 1993
    • Arbed S.A.
    • Victor Bleser
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Nozzle for refining lance
    • Patent number 4,971,297
    • Issue date Nov 20, 1990
    • Arbed S.A.
    • Romain Henrion
    • C21 - METALLURGY OF IRON