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Flameless steam boiler
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Patent number 10,767,854
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Issue date Sep 8, 2020
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Zhejiang Liju Boiler Co., Ltd.
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Rongxin Zhao
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F22 - STEAM GENERATION
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-
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Gas-fired humidifier
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Patent number 6,578,830
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Issue date Jun 17, 2003
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Eaton-Williams Group Limited
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Robert John Watts
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F22 - STEAM GENERATION
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-
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Boilers
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Patent number 4,182,275
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Issue date Jan 8, 1980
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E. Green & Son Ltd.
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Thomas Gibson
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F22 - STEAM GENERATION
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3834327
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Patent number 3,834,327
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Issue date Sep 10, 1974
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F22 - STEAM GENERATION
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3029797
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Patent number 3,029,797
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Issue date Apr 17, 1962
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F22 - STEAM GENERATION
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2736298
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Patent number 2,736,298
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Issue date Feb 28, 1956
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F24 - HEATING RANGES VENTILATING
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2630790
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Patent number 2,630,790
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Issue date Mar 10, 1953
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F22 - STEAM GENERATION
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2395035
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Patent number 2,395,035
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Issue date Feb 19, 1946
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F22 - STEAM GENERATION
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2383034
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Patent number 2,383,034
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Issue date Aug 21, 1945
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F22 - STEAM GENERATION
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1995134
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Patent number 1,995,134
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Issue date Mar 19, 1935
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F22 - STEAM GENERATION
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1955777
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Patent number 1,955,777
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Issue date Apr 24, 1934
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F22 - STEAM GENERATION
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1859858
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Patent number 1,859,858
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Issue date May 24, 1932
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F22 - STEAM GENERATION
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1855716
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Patent number 1,855,716
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Issue date Apr 26, 1932
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F22 - STEAM GENERATION
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1824874
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Patent number 1,824,874
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Issue date Sep 29, 1931
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F22 - STEAM GENERATION
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1816780
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Patent number 1,816,780
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Issue date Jul 28, 1931
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F22 - STEAM GENERATION
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1790593
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Patent number 1,790,593
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Issue date Jan 27, 1931
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F22 - STEAM GENERATION
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1776505
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Patent number 1,776,505
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Issue date Sep 23, 1930
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F22 - STEAM GENERATION
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1772972
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Patent number 1,772,972
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Issue date Aug 12, 1930
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F22 - STEAM GENERATION
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1743326
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Patent number 1,743,326
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Issue date Jan 14, 1930
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F22 - STEAM GENERATION
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1733808
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Patent number 1,733,808
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Issue date Oct 29, 1929
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F22 - STEAM GENERATION
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1713176
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Patent number 1,713,176
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Issue date May 14, 1929
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F22 - STEAM GENERATION
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1677969
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Patent number 1,677,969
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Issue date Jul 24, 1928
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F22 - STEAM GENERATION