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Gas hot water heating device and system
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Patent number 9,651,266
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Issue date May 16, 2017
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A. O. Smith Corporation
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Dayan Bi
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Heating system
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Patent number 8,910,880
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Issue date Dec 16, 2014
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Zenex Technologies Limited
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Christopher C. Farrell
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F24 - HEATING RANGES VENTILATING
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Combination heater
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Patent number 5,579,756
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Issue date Dec 3, 1996
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Alde International Systems AB
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Sigurd Jonsson
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F24 - HEATING RANGES VENTILATING
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Heat exchanger
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Patent number 4,747,447
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Issue date May 31, 1988
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Liljegren; Leif
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Harry J. Scanlan
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F24 - HEATING RANGES VENTILATING
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High turbulence boiler
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Patent number 4,424,768
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Issue date Jan 10, 1984
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Luigi Testa
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F24 - HEATING RANGES VENTILATING
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Boiler
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Patent number 4,415,119
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Issue date Nov 15, 1983
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Fagersta AB
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Lars-Olof Borking
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F24 - HEATING RANGES VENTILATING
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Double-fired heating boiler
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Patent number 4,206,723
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Issue date Jun 10, 1980
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Interliz Anstalt
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Wolfgang Kunkel
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F24 - HEATING RANGES VENTILATING
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Boilers
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Patent number 4,170,963
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Issue date Oct 16, 1979
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Eugen J. Siegrist
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F24 - HEATING RANGES VENTILATING
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3815552
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Patent number 3,815,552
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Issue date Jun 11, 1974
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F24 - HEATING RANGES VENTILATING
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3786649
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Patent number 3,786,649
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Issue date Jan 22, 1974
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F24 - HEATING RANGES VENTILATING
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3704691
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Patent number 3,704,691
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Issue date Dec 5, 1972
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F24 - HEATING RANGES VENTILATING
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3688839
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Patent number 3,688,839
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Issue date Sep 5, 1972
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F24 - HEATING RANGES VENTILATING
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3683867
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Patent number 3,683,867
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Issue date Aug 15, 1972
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F24 - HEATING RANGES VENTILATING
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3661325
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Patent number 3,661,325
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Issue date May 9, 1972
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F24 - HEATING RANGES VENTILATING
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3625187
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Patent number 3,625,187
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Issue date Dec 7, 1971
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F24 - HEATING RANGES VENTILATING
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3601097
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Patent number 3,601,097
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Issue date Aug 24, 1971
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F24 - HEATING RANGES VENTILATING
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3437078
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Patent number 3,437,078
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Issue date Apr 8, 1969
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F24 - HEATING RANGES VENTILATING
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3412715
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Patent number 3,412,715
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Issue date Nov 26, 1968
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F24 - HEATING RANGES VENTILATING
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3404664
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Patent number 3,404,664
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Issue date Oct 8, 1968
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F24 - HEATING RANGES VENTILATING
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3366094
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Patent number 3,366,094
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Issue date Jan 30, 1968
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F24 - HEATING RANGES VENTILATING
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3327947
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Patent number 3,327,947
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Issue date Jun 27, 1967
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F24 - HEATING RANGES VENTILATING
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3237608
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Patent number 3,237,608
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Issue date Mar 1, 1966
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F24 - HEATING RANGES VENTILATING