TREA

Wilfried Pulvermacher

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  • Bochum, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Arc furnace roof
    • Patent number 4,273,949
    • Issue date Jun 16, 1981
    • Fried. Krupp Huttenwerke Aktiengesellschaft
    • Otto Fischer
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Process for producing stainless steels
    • Patent number 4,178,173
    • Issue date Dec 11, 1979
    • Fried. Krupp Huttenwerke Aktiengesellschaft
    • Helmut Gorges
    • C21 - METALLURGY OF IRON