F24H 1/38

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9958183 Portable water heating moduleNov 01, 12May 01, 18Armstrong Hot Water Inc.
9250021 Heat exchangerApr 20, 10Feb 02, 16KYUNGDONG NAVIEN CO., LTD.
7415943 Single pass fuel-fired fluid heating/storage deviceSep 08, 05Aug 26, 08RHEEM MANUFACTURING COMPANY
7258080 Fuel-fired dual tank water heater having dual pass condensing type heat exchangerSep 08, 05Aug 21, 07RHEEM MANUFACTURING COMPANY