F24H 1/40

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9989316 Fin-tube type heat exchangerNov 18, 13Jun 05, 18Kyungdong Navien Co., Ltd.
9903610 Exhaust case and combustion apparatus provided with the sameMay 19, 14Feb 27, 18NORITZ CORPORATION
9649710 Method for braze-welding a fixing plate and a flow channel cap in a heat exchanger, and heat exchanger produced by sameApr 20, 10May 16, 17KYUNGDONG NAVIEN CO., LTD.
9651266 Gas hot water heating device and systemSep 20, 12May 16, 17A. O. SMITH CORPORATION
9537165 Fuel cell moduleMar 14, 14Jan 03, 17HONDA MOTOR CO., LTD.
9513003 Combustion apparatus, method for combustion control, board, combustion control system and water heaterAug 16, 10Dec 06, 16PURPOSE CO., LTD.
9470433 Dual-ring and straight fin tube condensingSep 21, 13Oct 18, 16Suzhou CQ Heat Exchanger Co., Ltd.
9175853 Water heating system with oxygen sensorMar 01, 12Nov 03, 15AERCO INTERNATIONAL, INC.
9103561 Frac water heating system and method for hydraulically fracturing a wellJan 31, 14Aug 11, 15Not available
9074383 Flow control and improved heat rise control device for water heatersAug 17, 11Jul 07, 15ZODIAC POOL SYSTEMS, INC.
9074792 Multiple-ring heat exchangerFeb 25, 11Jul 07, 15HARSCO TECHNOLOGIES LLC
9062546 Method for heating treatment fluid using an oil-fired frac water heaterMay 20, 13Jun 23, 15Not available
8960564 Method for hydraulically fracturing a well using an oil-fired frac water heaterOct 30, 13Feb 24, 15Not available
8740611 High capacity fuel-fired liquid heating apparatusNov 14, 11Jun 03, 14RHEEM MANUFACTURING COMPANY
8517720 Integrated dual chamber burnerJan 21, 10Aug 27, 13LOCHINVAR, LLC
6763786 Equipment for water heaterOct 21, 02Jul 20, 04LUVATA ESPOO OY
6584940 Flue pipe controlJan 09, 02Jul 01, 03THERM-O-DISC, INCORPORATED
4458609 Method and apparatus for controlling and monitoring NH.sub.3Mar 05, 82Jul 10, 84Hiniker Company