TREA

involving an upper drum and a lower drum and two lateral drums

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  • CPC
  • F22B21/088
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F22Steam generation F22BMETHODS OF STEAM GENERATION STEAM BOILERS F22B21/00Water-tube boilers of vertical or steeply-inclined type

Current Industry

F22B21/088involving an upper drum and a lower drum and two lateral drums
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2034547
    • Patent number 2,034,547
    • Issue date Mar 17, 1936
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1971851
    • Patent number 1,971,851
    • Issue date Aug 28, 1934
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1950043
    • Patent number 1,950,043
    • Issue date Mar 6, 1934
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1934965
    • Patent number 1,934,965
    • Issue date Nov 14, 1933
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1880350
    • Patent number 1,880,350
    • Issue date Oct 4, 1932
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1813058
    • Patent number 1,813,058
    • Issue date Jul 7, 1931
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1657951
    • Patent number 1,657,951
    • Issue date Jan 31, 1928
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1552296
    • Patent number 1,552,296
    • Issue date Sep 1, 1925
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1437790
    • Patent number 1,437,790
    • Issue date Dec 5, 1922
    • F22 - STEAM GENERATION
  • Information Patent Grant

    981722
    • Patent number 981,722
    • Issue date Jan 17, 1911
    • F22 - STEAM GENERATION
  • Information Patent Grant

    872378
    • Patent number 872,378
    • Issue date Dec 3, 1907
    • F22 - STEAM GENERATION
  • Information Patent Grant

    853182
    • Patent number 853,182
    • Issue date May 7, 1907
    • F22 - STEAM GENERATION
  • Information Patent Grant

    843613
    • Patent number 843,613
    • Issue date Feb 12, 1907
    • F22 - STEAM GENERATION
  • Information Patent Grant

    806524
    • Patent number 806,524
    • Issue date Dec 5, 1905
    • F22 - STEAM GENERATION
  • Information Patent Grant

    776701
    • Patent number 776,701
    • Issue date Dec 6, 1904
    • F22 - STEAM GENERATION
  • Information Patent Grant

    776923
    • Patent number 776,923
    • Issue date Dec 6, 1904
    • F22 - STEAM GENERATION
  • Information Patent Grant

    774564
    • Patent number 774,564
    • Issue date Nov 8, 1904
    • F22 - STEAM GENERATION
  • Information Patent Grant

    616088
    • Patent number 616,088
    • Issue date Dec 20, 1898
    • F22 - STEAM GENERATION
  • Information Patent Grant

    340183
    • Patent number 340,183
    • Issue date Apr 20, 1886
    • F22 - STEAM GENERATION
  • Information Patent Grant

    234123
    • Patent number 234,123
    • Issue date Nov 9, 1880
    • F22 - STEAM GENERATION
  • Information Patent Grant

    197894
    • Patent number 197,894
    • Issue date Dec 4, 1877
    • F22 - STEAM GENERATION
  • Information Patent Grant

    193848
    • Patent number 193,848
    • Issue date Aug 7, 1877
    • F22 - STEAM GENERATION
  • Information Patent Grant

    135219
    • Patent number 135,219
    • Issue date Jan 28, 1873
    • F22 - STEAM GENERATION
  • Information Patent Grant

    109807
    • Patent number 109,807
    • Issue date Dec 6, 1870
    • F22 - STEAM GENERATION
  • Information Patent Grant

    105243
    • Patent number 105,243
    • Issue date Jul 12, 1870
    • F22 - STEAM GENERATION
  • Information Patent Grant

    77670
    • Patent number 77,670
    • Issue date May 5, 1868
    • F22 - STEAM GENERATION
  • Information Patent Grant

    71903
    • Patent number 71,903
    • Issue date Dec 10, 1867
    • F22 - STEAM GENERATION
  • Information Patent Grant

    40391
    • Patent number 40,391
    • Issue date Oct 27, 1863
    • F22 - STEAM GENERATION
  • Information Patent Grant

    11110
    • Patent number 11,110
    • Issue date Jun 20, 1854
    • F22 - STEAM GENERATION

Patents Applicationslast 30 patents