Manufacture of wrought-iron or wrought-steel

Industry

  • CPC
  • C21C3/00
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for wet smelting of iron family metal bearing ores

    • Patent number 6,402,807
    • Issue date Jun 11, 2002
    • Takeo Misao
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method and apparatus for making feedstock for steel making

    • Patent number 5,817,164
    • Issue date Oct 6, 1998
    • Aktsionernoe Obschestvo Zakrytogo TIPA "Intermet-Service & Co."
    • Genrikh Alexeevich Dorofeev
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3295960

    • Patent number 3,295,960
    • Issue date Jan 3, 1967
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3189956

    • Patent number 3,189,956
    • Issue date Jun 22, 1965
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2339821

    • Patent number 2,339,821
    • Issue date Jan 25, 1944
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2311002

    • Patent number 2,311,002
    • Issue date Feb 16, 1943
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2286198

    • Patent number 2,286,198
    • Issue date Jun 16, 1942
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2258632

    • Patent number 2,258,632
    • Issue date Oct 14, 1941
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2252697

    • Patent number 2,252,697
    • Issue date Aug 19, 1941
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2241434

    • Patent number 2,241,434
    • Issue date May 13, 1941
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2198649

    • Patent number 2,198,649
    • Issue date Apr 30, 1940
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2141671

    • Patent number 2,141,671
    • Issue date Dec 27, 1938
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2129718

    • Patent number 2,129,718
    • Issue date Sep 13, 1938
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2129716

    • Patent number 2,129,716
    • Issue date Sep 13, 1938
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2129717

    • Patent number 2,129,717
    • Issue date Sep 13, 1938
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2110138

    • Patent number 2,110,138
    • Issue date Mar 8, 1938
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2095978

    • Patent number 2,095,978
    • Issue date Oct 19, 1937
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2095965

    • Patent number 2,095,965
    • Issue date Oct 19, 1937
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2095959

    • Patent number 2,095,959
    • Issue date Oct 19, 1937
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2078494

    • Patent number 2,078,494
    • Issue date Apr 27, 1937
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2072072

    • Patent number 2,072,072
    • Issue date Feb 23, 1937
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2072073

    • Patent number 2,072,073
    • Issue date Feb 23, 1937
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2040157

    • Patent number 2,040,157
    • Issue date May 12, 1936
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2035197

    • Patent number 2,035,197
    • Issue date Mar 24, 1936
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2018300

    • Patent number 2,018,300
    • Issue date Oct 22, 1935
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2012599

    • Patent number 2,012,599
    • Issue date Aug 27, 1935
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1987598

    • Patent number 1,987,598
    • Issue date Jan 15, 1935
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1964917

    • Patent number 1,964,917
    • Issue date Jul 3, 1934
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1960832

    • Patent number 1,960,832
    • Issue date May 29, 1934
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1954172

    • Patent number 1,954,172
    • Issue date Apr 10, 1934
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents