TREA

in gaseous agents

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  • CPC
  • C21D5/10
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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS C21D5/00Heat treatments of cast-iron

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C21D5/10in gaseous agents
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Patents Grantslast 30 patents

  • Information Patent Grant

    3607458
    • Patent number 3,607,458
    • Issue date Sep 21, 1971
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2557379
    • Patent number 2,557,379
    • Issue date Jun 19, 1951
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2435946
    • Patent number 2,435,946
    • Issue date Feb 10, 1948
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2384261
    • Patent number 2,384,261
    • Issue date Sep 4, 1945
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2231120
    • Patent number 2,231,120
    • Issue date Feb 11, 1941
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2225968
    • Patent number 2,225,968
    • Issue date Dec 24, 1940
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2201900
    • Patent number 2,201,900
    • Issue date May 21, 1940
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2201181
    • Patent number 2,201,181
    • Issue date May 21, 1940
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2170158
    • Patent number 2,170,158
    • Issue date Aug 22, 1939
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2147724
    • Patent number 2,147,724
    • Issue date Feb 21, 1939
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2133532
    • Patent number 2,133,532
    • Issue date Oct 18, 1938
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2090899
    • Patent number 2,090,899
    • Issue date Aug 24, 1937
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2046037
    • Patent number 2,046,037
    • Issue date Jun 30, 1936
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1980578
    • Patent number 1,980,578
    • Issue date Nov 13, 1934
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1938516
    • Patent number 1,938,516
    • Issue date Dec 5, 1933
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1319612
    • Patent number 1,319,612
    • Issue date Oct 21, 1919
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1112909
    • Patent number 1,112,909
    • Issue date Oct 6, 1914
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    935234
    • Patent number 935,234
    • Issue date Sep 28, 1909
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    846031
    • Patent number 846,031
    • Issue date Mar 5, 1907
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    719117
    • Patent number 719,117
    • Issue date Jan 27, 1903
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    637369
    • Patent number 637,369
    • Issue date Nov 21, 1899
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    600948
    • Patent number 600,948
    • Issue date Mar 22, 1898
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    541812
    • Patent number 541,812
    • Issue date Jun 25, 1895
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    536082
    • Patent number 536,082
    • Issue date Mar 19, 1895
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    536083
    • Patent number 536,083
    • Issue date Mar 19, 1895
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    525296
    • Patent number 525,296
    • Issue date Aug 28, 1894
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    522595
    • Patent number 522,595
    • Issue date Jul 10, 1894
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    520056
    • Patent number 520,056
    • Issue date May 22, 1894
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    513163
    • Patent number 513,163
    • Issue date Jan 23, 1894
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    498062
    • Patent number 498,062
    • Issue date May 23, 1893
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents