TREA

Karl-Erik Oberg

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  • Hagfors, SW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for the refining of molten metal
    • Patent number 4,009,023
    • Issue date Feb 22, 1977
    • Uddeholms Aktiebolag
    • Karl Erik Oberg
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Melt casting apparatus
    • Patent number 3,991,813
    • Issue date Nov 16, 1976
    • Allmanna Svenska Elektriska Aktiebolaget
    • Conny Andersson
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Decarburization of a metal melt
    • Patent number 3,990,888
    • Issue date Nov 9, 1976
    • Uddeholms Aktiebolag
    • Lars Anders Eriksson
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Apparatus and method for refining metal
    • Patent number 3,971,547
    • Issue date Jul 27, 1976
    • Allmanna Svenska Elektriska Aktiebolaget
    • Bengt Fredrikson
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Metallurgical furnace having a blast injection nozzle
    • Patent number 3,971,548
    • Issue date Jul 27, 1976
    • Allmanna Svenska Elektriska Aktiebolaget
    • Kare Folgero
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method for treating a metal melt
    • Patent number 3,967,955
    • Issue date Jul 6, 1976
    • Uddeholms Aktiebolag
    • Kare M. Folgero
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Metallurgical method
    • Patent number 3,942,978
    • Issue date Mar 9, 1976
    • Uddeholms Aktiebolag
    • Karl-Erik Oberg
    • C21 - METALLURGY OF IRON