F24H 1/34

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2019/0032,956 HEAT EXCHANGERFeb 03, 17Jan 31, 19KYUNGDONG NAVIEN CO., LTD.
2018/0363,946 HEAT EXCHANGERFeb 03, 17Dec 20, 18KYUNGDONG NAVIEN CO., LTD.
2018/0363,948 CONDENSING COMBUSTION APPARATUSNov 15, 16Dec 20, 18KYUNGDONG NAVIEN CO., LTD.
2018/0238,585 HEAT EXCHANGERAug 11, 16Aug 23, 18KYUNGDONG NAVIEN CO., LTD.
2018/0238,639 HEAT EXCHANGERAug 11, 16Aug 23, 18KYUNGDONG NAVIEN CO., LTD.
2018/0231,274 HEAT EXCHANGERAug 11, 16Aug 16, 18KYUNGDONG NAVIEN CO., LTD.
2018/0224,155 HEAT EXCHANGERJul 15, 16Aug 09, 18KYUNGDONG NAVIEN CO., LTD.
2018/0094,832 A BOILER SYSTEMApr 21, 16Apr 05, 18Not available
2010/0101,507 WATER HEATERS WITH FUEL LINE AND DOOR ASSEMBLYOct 29, 08Apr 29, 10AMERICAN WATER HEATER COMPANY
2010/0101,508 WATER HEATERS WITH SEALED DOOR ASSEMBLYOct 29, 08Apr 29, 10AMERICAN WATER HEATER COMPANY
2009/0255,487 Water Heater Sealed Combustion Chamber AssemblyApr 14, 08Oct 15, 09RHEEM MANUFACTURING COMPANY
2009/0183,693 High efficiency wood or biomass boilerJan 02, 09Jul 23, 09SAELI, FRANK
2005/0109,287 High efficiency tank type continuous flow and self cleaning water heaterNov 22, 04May 26, 05Not available