Patents
Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567)
04/1999
04/21/1999CN2315491Y High efficiency multipurpose stove for heating
04/21/1999CN2315490Y Rotational flow two-way low pressure high temperature multipurpose boiler
04/21/1999CN2315489Y High efficiency energy saving store for heating
04/21/1999CN2315488Y Rotational flow coke cracking one-body smoke-removing boiler
04/21/1999CN2315487Y Atmospheric vertical boiler with screw chimney
04/21/1999CN2315486Y Natural secondary blowing boiler
04/21/1999CN2315485Y Top water inlet type electric water heater
04/21/1999CN2315484Y Foot double box integrated electric heating shower
04/21/1999CN2315483Y Full automatic electric heating magnetizing water boiler for heating
04/21/1999CN2315482Y Multifunctional electric heating insulation utensil
04/21/1999CN2315481Y Full automatic safety electric heating water tap
04/20/1999US5894819 Water tube boiler and it's combustion method
04/15/1999WO1999018397A1 Mixed gas water heater
04/15/1999DE19745317A1 Electrical continuous flow heater
04/14/1999EP0908685A2 Fluid heater
04/14/1999CN2314294Y Multifunctional integrated energy-saving water heating and distillating apparatus
04/14/1999CN2314293Y Heat supplying apparatus
04/14/1999CN2314292Y Automatically controlling gas boiler
04/14/1999CN2314291Y Dual circulation boiler with corrugated heat exchanger
04/14/1999CN2314290Y Electric water heater with reservoir
04/14/1999CN2314289Y Multifunctional separate safety energy saving shower bath
04/14/1999CN2314288Y Solar water heater
04/14/1999CN2314287Y Safety gas water heater
04/14/1999CN2314286Y Energy saving gas stove for heating rooms
04/14/1999CN2314285Y Circular electric water heater
04/14/1999CN2314284Y High performance household stove for heating rooms
04/14/1999CN2314283Y Vertical convertable compustion boiler for heating water and rooms at atmosphere pressure
04/14/1999CN2314282Y Vertical small-size down-draft boiler
04/14/1999CN1213762A Method and appts. for continuously producing boiling water
04/13/1999US5893939 Air purifier and filter assembly therefor
04/13/1999US5893711 Space heater with plastic fuel tank
04/13/1999US5893341 Mobile pool heating apparatus
04/08/1999DE19743589A1 Flue gas heat exchanger, particularly calorific value boiler
04/08/1999DE19743588A1 Flue gas heat exchanger, particularly calorific value heating boiler
04/08/1999DE19743586A1 Flue gas heat exchanger, particularly for calorific value heating boiler
04/08/1999DE19743422A1 Boiler, which uses exhaust gases to warm water
04/07/1999EP0906185A1 A process for the manufacturing of a pressure vessel and a pressure vessel, especially for a water heater, made by the process
04/07/1999CN2313183Y Cross-tube pressureless boiler
04/07/1999CA2230696A1 Apparatus and method for heating a ground surface or volume of air with a portable hot water-type system
04/06/1999US5892888 Means for electrically heating a circulating fluid in a basin or pool
04/06/1999US5892887 Electric water heater with a pair of interconnected heating chambers having concentric copper tube structures
04/06/1999US5890972 Spiral protrusion type handle grip
04/06/1999US5890458 Multistep water heater having a device for increasing combustion efficiency
04/01/1999WO1999015840A1 Hot water boiler
04/01/1999DE19742476A1 Heating boiler containing water - chemical mixture
03/1999
03/31/1999EP0905457A2 Improved condensation premixing boiler for sanitary water and heating system
03/31/1999EP0905456A2 Three-pass boiler
03/31/1999EP0905453A2 Domestic hot water heater
03/31/1999CN2312427Y Vertical type spiral combustion boiler
03/31/1999CN2312426Y Oil fuel boiler
03/31/1999CN2312425Y Miniature electric water heater
03/31/1999CN1212353A Energy-saving safety multipurpose water heater
03/30/1999US5887552 Fluid heat generator, with selective control of the flow
03/30/1999CA2165990C In-line parenteral fluid heating apparatus
03/25/1999WO1999014534A1 Catalytic radiant tube heater and method for its use
03/24/1999EP0902869A1 Integrally formed, combined heat exchanger
03/24/1999CN2311731Y Automatic water supplying device for solar energy water heater
03/24/1999CN2311727Y Tube still micro-hot water boiler
03/24/1999CN2311726Y Gas-combustion heating steam generator
03/24/1999CN2311725Y Electric heating showering device
03/24/1999CN2311724Y Full-heat adsorbing efficient energy-saving water heater
03/24/1999CN2311723Y Efficient energy-saving circulating water heater with hot-water tank
03/24/1999CN2311722Y Life boiler
03/24/1999CN2311721Y Atmospheric hot-tube type inner dust-collecting hot water boiler
03/24/1999CN1211709A Method for heating water and electric water heater
03/17/1999CN2310958Y 热水器 Water Heater
03/17/1999CN2310957Y Insulation safety water storage type electric water heater
03/16/1999US5881681 Water heating system
03/11/1999WO1999011985A1 Electric hot water tank with layered storage
03/11/1999DE19742783C1 Three draught heating boiler
03/10/1999CN2310285Y Energy-saving type atmosphere pressure vertical water pipe boiler
03/10/1999CN2310284Y Atmosphere pressure vertical type water-heating boiler
03/10/1999CN2310283Y High-efficiency environmental protection energy-saving boiler
03/10/1999CN2310282Y Vacuum thermal-insulating water storage type electric water heater
03/10/1999CN2310281Y Safety electric water heater
03/10/1999CN2310280Y 电热水器 Electric water heaters
03/10/1999CN2310279Y Gas burning water heater
03/10/1999CN2310278Y Safety type steam water heater
03/10/1999CN2310277Y Quick water passing through tube type domestic electric water heater
03/10/1999CN1210582A Heating apparatus and method for operation thereof
03/10/1999CN1210236A High performance energy-saving smokeless boiler
03/10/1999CN1210235A Hot water supplying/heating system of boilers
03/10/1999CN1210234A Heat exchange system
03/04/1999CA2243887A1 Surface current heating apparatus having spaced-apart hollow heat generating members with conductor extending therethrough
03/03/1999EP0899985A1 Continuous flow heater
03/03/1999EP0832400B1 Instantaneous water heater
03/03/1999EP0776445A4 Combination water heating and space heating apparatus
03/03/1999EP0633995B1 A water heating tank
03/03/1999EP0603302B1 Heat exchanger for a water heater
03/03/1999CN2309526Y Smoke system of water-heating machine set
03/03/1999CN2309525Y Automatic control gas infrared heating boiler
03/03/1999CN2309524Y Oil-and gas-fired multi-tube jet hot-water boiler
03/03/1999CN2309523Y Vertical free-flowing water-tube boiler without chimney
03/03/1999CN2309522Y Multi-functional quick high-temp. steam pot range
03/03/1999CN2309521Y Domestic electric water heater
03/03/1999CN2309520Y Electric water heater with water-electricity separated water tap
03/03/1999CN2309519Y Low-frequency inductance water heater for shower
03/03/1999CN2309518Y 电热水器 Electric water heaters
03/03/1999CN2309517Y Multi-purpose vertical boiler
03/03/1999CN2309516Y Pollutionless boiler