F24H 1/41

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9797622 Coil and serpentine bent fin tube condensing heat exchangerSep 24, 14Oct 24, 17Suzhou CQ Heat Exchanger Co., Ltd.
9404650 Boiler with improved hot gas passagesJun 11, 10Aug 02, 169223-5183 QUEBEC INC.
8910880 Heating systemOct 09, 06Dec 16, 14CANETIS TECHNOLOGIES LIMITED