Boiler plugs

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  • CPC
  • F22B37/223
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inspection hole plug

    • Patent number 8,817,938
    • Issue date Aug 26, 2014
    • Mitsubishi Heavy Industries, Ltd.
    • Hiroshi Hirano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Temporary plug cover for hole or port in steam generator of nuclear...

    • Patent number 6,662,759
    • Issue date Dec 16, 2003
    • Edward J. Hyp
    • F22 - STEAM GENERATION
  • Information Patent Grant

    Nuclear steam generator wrapper closure assembly and method of inst...

    • Patent number 5,251,241
    • Issue date Oct 5, 1993
    • Westinghouse Electric Corp.
    • Jay T. Moore
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow blocker for access opening

    • Patent number 5,104,611
    • Issue date Apr 14, 1992
    • Combustion Engineering, Inc.
    • Jack L. Woods
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3370742

    • Patent number 3,370,742
    • Issue date Feb 27, 1968
    • F22 - STEAM GENERATION
  • Information Patent Grant

    3254788

    • Patent number 3,254,788
    • Issue date Jun 7, 1966
    • F22 - STEAM GENERATION
  • Information Patent Grant

    3235120

    • Patent number 3,235,120
    • Issue date Feb 15, 1966
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2944697

    • Patent number 2,944,697
    • Issue date Jul 12, 1960
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2705574

    • Patent number 2,705,574
    • Issue date Apr 5, 1955
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2688315

    • Patent number 2,688,315
    • Issue date Sep 7, 1954
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2574160

    • Patent number 2,574,160
    • Issue date Nov 6, 1951
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2540145

    • Patent number 2,540,145
    • Issue date Feb 6, 1951
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2370804

    • Patent number 2,370,804
    • Issue date Mar 6, 1945
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2349425

    • Patent number 2,349,425
    • Issue date May 23, 1944
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2348273

    • Patent number 2,348,273
    • Issue date May 9, 1944
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2329037

    • Patent number 2,329,037
    • Issue date Sep 7, 1943
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2283371

    • Patent number 2,283,371
    • Issue date May 19, 1942
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2276606

    • Patent number 2,276,606
    • Issue date Mar 17, 1942
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2234154

    • Patent number 2,234,154
    • Issue date Mar 4, 1941
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1992793

    • Patent number 1,992,793
    • Issue date Feb 26, 1935
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1992431

    • Patent number 1,992,431
    • Issue date Feb 26, 1935
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1846400

    • Patent number 1,846,400
    • Issue date Feb 23, 1932
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1798491

    • Patent number 1,798,491
    • Issue date Mar 31, 1931
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1783129

    • Patent number 1,783,129
    • Issue date Nov 25, 1930
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1774889

    • Patent number 1,774,889
    • Issue date Sep 2, 1930
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1748665

    • Patent number 1,748,665
    • Issue date Feb 25, 1930
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1735126

    • Patent number 1,735,126
    • Issue date Nov 12, 1929
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1734343

    • Patent number 1,734,343
    • Issue date Nov 5, 1929
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1730721

    • Patent number 1,730,721
    • Issue date Oct 8, 1929
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1718233

    • Patent number 1,718,233
    • Issue date Jun 25, 1929
    • F22 - STEAM GENERATION

Patents Applicationslast 30 patents