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Tube assembly for a boiler
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Patent number 7,137,360
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Issue date Nov 21, 2006
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Prime Boilers Inc.
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Vittorio Zorzit
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F22 - STEAM GENERATION
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Boiler structure
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Patent number 4,418,649
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Issue date Dec 6, 1983
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James E. Purvis
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F22 - STEAM GENERATION
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1684976
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Patent number 1,684,976
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Issue date Sep 18, 1928
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F22 - STEAM GENERATION
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1114199
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Patent number 1,114,199
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Issue date Oct 20, 1914
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F22 - STEAM GENERATION
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965229
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Patent number 965,229
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Issue date Jul 26, 1910
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F22 - STEAM GENERATION
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952651
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Patent number 952,651
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Issue date Mar 22, 1910
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F22 - STEAM GENERATION
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937145
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Patent number 937,145
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Issue date Oct 19, 1909
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F22 - STEAM GENERATION
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912521
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Patent number 912,521
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Issue date Feb 16, 1909
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F22 - STEAM GENERATION
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836522
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Patent number 836,522
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Issue date Nov 20, 1906
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F22 - STEAM GENERATION
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816248
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Patent number 816,248
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Issue date Mar 27, 1906
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F22 - STEAM GENERATION
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811867
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Patent number 811,867
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Issue date Feb 6, 1906
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F22 - STEAM GENERATION
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797038
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Patent number 797,038
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Issue date Aug 15, 1905
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F22 - STEAM GENERATION
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796544
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Patent number 796,544
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Issue date Aug 8, 1905
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F22 - STEAM GENERATION
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787771
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Patent number 787,771
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Issue date Apr 18, 1905
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F22 - STEAM GENERATION
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787176
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Patent number 787,176
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Issue date Apr 11, 1905
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F22 - STEAM GENERATION
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778954
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Patent number 778,954
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Issue date Jan 3, 1905
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F22 - STEAM GENERATION
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778960
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Patent number 778,960
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Issue date Jan 3, 1905
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F22 - STEAM GENERATION
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773248
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Patent number 773,248
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Issue date Oct 25, 1904
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F22 - STEAM GENERATION
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766153
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Patent number 766,153
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Issue date Jul 26, 1904
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F22 - STEAM GENERATION
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757149
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Patent number 757,149
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Issue date Apr 12, 1904
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F22 - STEAM GENERATION
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718490
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Patent number 718,490
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Issue date Jan 13, 1903
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F22 - STEAM GENERATION
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667607
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Patent number 667,607
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Issue date Feb 5, 1901
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F22 - STEAM GENERATION
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656059
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Patent number 656,059
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Issue date Aug 14, 1900
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F22 - STEAM GENERATION
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639533
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Patent number 639,533
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Issue date Dec 19, 1899
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F22 - STEAM GENERATION
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616369
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Patent number 616,369
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Issue date Dec 20, 1898
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F22 - STEAM GENERATION