Elongated articles

Patents Grantslast 30 patents

  • Information Patent Grant

    Preheating furnace

    • Patent number 4,153,236
    • Issue date May 8, 1979
    • Friedrich W. Elhaus
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Continuous heating furnace for elongated metal ingots

    • Patent number 4,035,142
    • Issue date Jul 12, 1977
    • "OFU" Ofenbau-Union GmbH
    • Ernst Hatzenbichler
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3713631

    • Patent number 3,713,631
    • Issue date Jan 30, 1973
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    3384730

    • Patent number 3,384,730
    • Issue date May 21, 1968
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3222043

    • Patent number 3,222,043
    • Issue date Dec 7, 1965
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3189338

    • Patent number 3,189,338
    • Issue date Jun 15, 1965
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2951491

    • Patent number 2,951,491
    • Issue date Sep 6, 1960
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2850140

    • Patent number 2,850,140
    • Issue date Sep 2, 1958
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    2620918

    • Patent number 2,620,918
    • Issue date Dec 9, 1952
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    2335601

    • Patent number 2,335,601
    • Issue date Nov 30, 1943
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1872210

    • Patent number 1,872,210
    • Issue date Aug 16, 1932
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1833894

    • Patent number 1,833,894
    • Issue date Dec 1, 1931
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1770446

    • Patent number 1,770,446
    • Issue date Jul 15, 1930
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1699955

    • Patent number 1,699,955
    • Issue date Jan 22, 1929
    • F27 - FURNACES KILNS OVENS RETORTS