F24H 1/36

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9651266 Gas hot water heating device and systemSep 20, 12May 16, 17A. O. SMITH CORPORATION
9506669 Solid fuel boilerAug 20, 14Nov 29, 16Not available
9429337 Water heater having a down fired combustion assemblyNov 27, 13Aug 30, 16BRADFORD WHITE CORPORATION
9175853 Water heating system with oxygen sensorMar 01, 12Nov 03, 15AERCO INTERNATIONAL, INC.
8763564 Water heater and method of operatingNov 08, 11Jul 01, 14A. O. SMITH CORPORATION
5983889 Portable water tank heating systemApr 10, 97Nov 16, 99T & S ENTERPRISES, INC.
4278069 Water heaterJan 31, 80Jul 14, 81HARSCO TECHNOLOGIES CORPORATION