Ingots

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for melting metal ingots

    • Patent number 4,581,063
    • Issue date Apr 8, 1986
    • Sumitomo Light Metal Industries Ltd.
    • Kunio Oyabu
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    2174918

    • Patent number 2,174,918
    • Issue date Oct 3, 1939
    • C21 - METALLURGY OF IRON