Patents
Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567)
12/2003
12/10/2003CN2591500Y Pipeline electric heater
12/10/2003CN2591499Y Instant heating thermosensitive ceramic electric water heater
12/10/2003CN2591498Y Direct-firing double-chamber heating power machine
12/10/2003CN1460831A Heat-transfer fin structure for gas-fired boiler
12/10/2003CN1460822A Energy source complementation type all-weather solar hot water supply system
12/10/2003CN1460821A Water cleaning and heating device free from secendary pollution
12/10/2003CN1460820A Heat exchanger structure for condensating gas-fired boiler
12/10/2003CN1130531C High temp regenerator
12/09/2003US6661968 Continuous heating of liquid to constant temperature
12/09/2003US6659048 Supercharged hot water heater
12/04/2003WO2003099595A1 Heating system and exchanging device of dual heater
12/04/2003CA2844271A1 Multi-pass flue-type water heater
12/04/2003CA2430807A1 Multi-pass flue-type water heater
12/03/2003EP1367322A1 Catalyst combustion device and method of producing frame body portion thereof
12/03/2003EP1366328A1 Improved efficiency thermoelectrics utilizing thermal isolation
12/03/2003EP1366326A2 Condensation heat exchanger, in particular for a boiler
12/03/2003CN2589886Y Pipe sheet crack hard-to-produced hot-water boiler
12/03/2003CN2589885Y Backwater ejection hot-water boiler
12/03/2003CN2589884Y Automatic controlled cycling type vacuum pot electric heating boiler
12/03/2003CN2589883Y Liquid electric heater unit
12/03/2003CN2589882Y Instant water storage heating type environment-friendly electric water heater
12/03/2003CN2589881Y Electric water heater with two inner containers
12/03/2003CN2589880Y Electric heater possessing function of water and electricity dual heating
12/03/2003CN2589879Y Hot water pipeline residual water pre-heating arrangement
12/03/2003CN1459607A Refrigerating circulation and heat pump type hot water supply device
12/03/2003CN1129748C Double pyrogenity effect type water heating system
12/02/2003US6658204 Door insulator with safety plug
11/2003
11/27/2003WO2003098118A2 Combined heating and hot water system
11/27/2003WO2002066384A8 Device for chemically/physically treating drinking water
11/27/2003DE20303047U1 Hot water boiler has thermostat to control heater and bypass to recirculate cold outlet water to top of tank
11/26/2003EP1365198A1 Cogeneration device
11/26/2003EP1363858A1 Device for chemically/physically treating drinking water
11/26/2003CN2588281Y Heat-exchanging coiler for heating-furnace
11/26/2003CN2588280Y High-efficient energy-saving dust removing water-boling rice steamer
11/26/2003CN2588279Y Domestic energy-saving boiler
11/26/2003CN2588278Y Environment protection bulk coal combustion boiler
11/26/2003CN2588277Y Environment protection water-boiling boiler
11/26/2003CN2588276Y Automatic controlled circular type electric heating vacuum pipe boiler
11/26/2003CN2588275Y Domestic boiler for heating
11/26/2003CN2588274Y High-efficient multi-function quick electric water heater
11/26/2003CN2588273Y Safety type electric water heater
11/26/2003CN2588272Y Electric heating water heater
11/26/2003CN1458478A Central hot water system
11/26/2003CN1458477A Microcomputerized digital intelligent electric water heater
11/26/2003CN1458476A Automatically descaling open type electric water heater
11/26/2003CN1458449A Quick water heater with densely arranged fine pipes
11/26/2003CN1458448A Burning device
11/26/2003CN1128960C Steel shell aluminium fume-pipe boiler
11/19/2003EP1363083A1 Double tube heat exchanger, having reinforced contact
11/19/2003CN2586930Y Multifunctional electrical heating boiler
11/19/2003CN2586929Y Complete combusted smokeless and sulfurless energy-saving and environmental protective boiler
11/19/2003CN2586928Y Energy-saving boiler
11/19/2003CN2586927Y Vacuum heat pipe horizontal constant pressure square molded coal boiler
11/19/2003CN2586926Y Structure modification of variable-frequency electromagnetic water heater
11/19/2003CN2586925Y Full-automatic heat accumulating electrical heating cistern
11/19/2003CN2586924Y Distributed heating system having small volume high power electric heating water stick
11/19/2003CN1457417A Catalyst combustion device and method of producing frame body portion thereof
11/19/2003CN1456849A Instantaneous constant temperature electric heating method and device
11/19/2003CN1128323C Biological balanced cement
11/19/2003CN1128322C 热水供应装置 Hot water supply unit
11/19/2003CN1128321C Application of MF induction in boiler and MF induction type water-heating boiler
11/18/2003US6647932 Compact boiler with tankless heater for providing heat and domestic hot water
11/17/2003CA2386953A1 Combined heating and hot water system
11/13/2003WO2003093726A1 High efficiency and high temperature cracking system with heat storage for sewage and organic garbage
11/12/2003CN2586100Y Bottom preheating, integrated mechanical fire grate coal burning boiler with gasified burning inside of boiler
11/12/2003CN2586099Y Internal heating tube condensating gas hot water and heating boiler
11/12/2003CN2586098Y Internal heating tube condensating gas heating appts.
11/12/2003CN2586097Y Volume multifunctional water heater
11/12/2003CN2586096Y Wall gas water heater
11/12/2003CN2586095Y Internal heating tube condensating gas directly flowing hot water and heating boiler
11/12/2003CN2586094Y Open-volume multifunctional water heater
11/12/2003CN2586093Y Fall automatic electrical heating water heater
11/12/2003CN2586092Y Water heater with red infrared self-control tap
11/12/2003CN1455210A Door insulator with safety plug
11/12/2003CN1455208A Thermal conductive oil boiler reformed from steam boiler
11/12/2003CN1127646C Intelligent mixing-water device
11/12/2003CN1127645C Water heater made of pressure-resistant plastic material
11/11/2003US6644393 Cylindrical heat exchanger
11/06/2003WO2003091634A1 Fluid controller
11/06/2003WO2003091161A1 Water treatment system and water heater with cathodic protection and method
11/06/2003WO2002065030A8 Improved efficiency thermoelectrics utilizing thermal isolation
11/06/2003US20030205209 Heating apparatus using useless heat for reducing oil
11/05/2003CN2585115Y Water heating device
11/05/2003CN2585114Y Electric water heating device with device for preventing electric shock
11/05/2003CN2585113Y Water bath type gas water heating (boiling water) apparatus
11/05/2003CN2585112Y Positive-displacement gas water heater heat transfered by self-flow type closed spiral circulation pipe line
11/05/2003CN2585111Y Vacuum heat pipe hot water electric heating stove
11/05/2003CN2585110Y Pipe electric water heater
11/05/2003CN2585109Y Direct contact heat transfer type heating medium boiler
11/05/2003CN1453522A Boiler with back-burning coal spreader
11/05/2003CN1453521A Desulfurizing dust-eliminating environment protecting boiler
11/05/2003CN1453520A Electric water heater with very high heat efficiency
11/05/2003CN1453519A Energy-accumulating boiler
11/05/2003CN1453518A 氢能锅炉 Hydrogen boiler
11/04/2003US6643454 Bath temperature maintenance heater
10/2003
10/30/2003US20030202786 Water treatment system and water heater with cathodic protection and method
10/29/2003EP1356241A2 Method and apparatus for detecting a dry fire condition in a water heater
10/29/2003CN2583564Y Laminated combustion coal-fired boiler
10/29/2003CN2583563Y Electromagnetic water heater
10/29/2003CN2583562Y Tubular electric heating element