Patents
Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567)
02/2000
02/24/2000WO2000009948A1 Method for reducing pollutant emissions for small heating installations
02/24/2000DE19837269A1 Cleaning of exhaust gas from domestic oil or gas fired water heaters by water sprays comprises regenerative heat exchange for the boiler feed water
02/24/2000DE19837159A1 Calorific value boiler has cascade combustion chamber surrounded by radiation zone cover space feeding heat carrier and limited by boiler inner and outer walls
02/23/2000EP0981032A1 Heat exchanger
02/23/2000EP0981031A2 Heating water flow circulation and instantaneous hot sanitary water supply apparatus in a combi-boiler
02/23/2000EP0981024A2 Boiler with inverted burner
02/23/2000EP0981020A2 Multiple stage heating apparatus
02/23/2000EP0981017A2 Boiler
02/23/2000EP0786065B1 A low nox and co emissions direct contact high temperature water heater
02/23/2000CN2365596Y Solar electric water heater
02/23/2000CN2365585Y Cyclone reflective vacuum desulphurized vertical boiler
02/23/2000CN2365584Y New boiler
02/23/2000CN2365583Y Constant pressure wet dust control multiple pipe boiler
02/23/2000CN2365582Y Exhaust-heat feedback type permanent combustion smoke prevention boiler
02/23/2000CN2365581Y Electric water heater capable of supplying warm air
02/23/2000CN2365580Y Safety electrical water heater
02/23/2000CN2365579Y Non-scale water heater and water convection accelerator
02/23/2000CN2365578Y Evaporated distiller
02/23/2000CN2365577Y Water dish of gas combustion water heater
02/23/2000CN2365576Y Electrical hot water tap
02/23/2000CN2365575Y Separating gas combustion water heater
02/23/2000CN2365574Y Atmospheric hot water boiler
02/23/2000CN2365573Y Back-firing efficient fast energy-saving boiler
02/23/2000CN2365572Y Smokeless coal energy-saving boiler without chimney
02/23/2000CN2365571Y Four-purpose electric cabinet device for sheet type directly-heating device
02/23/2000CN1245275A Boiler
02/23/2000CN1049728C Water and electricity separated, radiation heating fast shower
02/22/2000US6026804 Heater for fluids
02/22/2000US6026801 Plug core heat exchanger
02/22/2000CA2149346C Storage tank for water heaters and the like with filling dip tube
02/17/2000DE19829681C1 Liquid heater for oil, fuel or water, has heating coil embedded in metal block incorporating capillary tube coil with coil windings positioned between coil windings of heating coil
02/16/2000CN2364392Y Water heating stove for supply of boiling water, bathing and heating
02/16/2000CN2364391Y Continuous bituminous coal burned boiler
02/16/2000CN2364390Y Lampwick type oils boiler
02/16/2000CN2364389Y 电热水器 Electric water heaters
02/16/2000CN2364388Y Electic boiler apparatus
02/16/2000CN2364387Y Water discharging and power interruption device for electric water heater
02/16/2000CN2364386Y Water heater with filter for producing distilled water by distilling
02/16/2000CN2364385Y Submersible electric water heater
02/16/2000CN2364384Y Enforced ventilating type blowing burning gas water heater
02/16/2000CN2364383Y Blowing burning gas water heater
02/16/2000CN2364382Y Low air speed starting, enforced ventilating safety water heater
02/16/2000CN2364381Y 多功能热水器 Multifunctional water heater
02/16/2000CN2364380Y Tubing type liquid delivery heating device
02/16/2000CN2364379Y 小型半导体电热水器 A small semiconductor electric water heater
02/16/2000CN2364378Y Combined domestic electric boiler
02/16/2000CN2364377Y Vertical vortex coal-fired smoke-eliminating boiler
02/16/2000CN2364376Y Internal preheating water-supply drum-type fuel oil and gas boiler
02/15/2000US6025576 Bulk vessel heater skid for liquefied compressed gases
02/10/2000WO2000006947A1 Air inlets for gas water heaters
02/10/2000DE19835663A1 Low-energy large-area heating element encloses interior or interval and is coated catalytically to burn input fuel gas with oxygen in interior.
02/10/2000DE19833660A1 Continuous water heater using fuel combustion in which water and hot gases pass through adjacent spirals to provide long paths in a limited space
02/09/2000CN2363240Y All wetting type structure central heating unit with external installed double screw-pipe heat-exchanger
02/09/2000CN2363239Y Boiler bidirectional heating device
02/09/2000CN2363238Y Split heater
02/09/2000CN2363237Y Multi-function water-heater
02/09/2000CN2363236Y Heater for drinking-water machine with function of preventing water from boiling out
02/09/2000CN2363235Y Automatic water storage water-heater
02/09/2000CN2363234Y Steel-plastics liner for water-heater
02/09/2000CN2363233Y Vapour and water heater
02/09/2000CN2363232Y Electric heating film coiled pipe quick-heating type water-heater
02/09/2000CN2363231Y Domestic multi-function water-heater
02/09/2000CN2363230Y Direct-heating thermo-superconducting medium electric shower device
02/09/2000CN2363229Y Electric water-heater
02/09/2000CN2363228Y Spiral resistance wire quick miniature water-heater
02/09/2000CN2363227Y High-efficient energy-saving natural gas boiler
02/09/2000CN2363226Y Computer controlled direct combustion type water-heating sets
02/09/2000CN2363216Y Aluminium multi energy source power heating equipment for civil use
02/09/2000CN1243933A Water supply system for water heater to automatically supply cold water without mixing with hot water
02/06/2000CA2263723A1 Heater assembly for a fluid conduit with an integral heater
02/04/2000CA2278338A1 An improved heater for process fluids
02/03/2000WO2000005540A1 A hot air generating device
02/02/2000EP0976989A2 Water circuit of a combined service wall-mounted gas-fired boiler
02/02/2000EP0975919A1 Heating unit for oil or gas boiler and modules for producing same
02/02/2000CN2362049Y Domestic coal-fired boiler
02/02/2000CN2362048Y Back-firing atmospheric furnace
02/02/2000CN2362047Y Water-heating machine set structure
02/02/2000CN2362046Y Out furnace casing removable boiler
02/02/2000CN2362045Y Energy-saving pollutionless atmopheric living boiler
02/02/2000CN2362044Y Internal pressure intaking thermostatic electric water heater
02/02/2000CN2362043Y Automatic intaking thermostatic electric water heater
02/02/2000CN2362042Y Intelligent outlet open water-storage electric water heater
02/02/2000CN2362041Y Direct-heating and heat-storage electronic ceramic water heater
02/02/2000CN2362040Y High-efficiency heat-exchanging and low-pollution combustion device for gas water heater
02/02/2000CN2362039Y Multi-functional water purifying, cooling and heating device
02/02/2000CN2362038Y Gas water heater
02/02/2000CN2362037Y 液体管道加热器 Liquid pipeline heater
02/02/2000CN2362036Y Rapid safety electromagnetic induction water heater
02/02/2000CN2362035Y Superconducting tube electric water heater capable of using waste heat of radiator
02/02/2000CN2362034Y Vertical atmospheric high-temp. boiler
02/02/2000CN1243233A Combined drinking-water heater and cyclic heating system
02/02/2000CN1243232A Electromagnetic-wave fluid heating device
02/01/2000US6019098 Self powered furnace
02/01/2000US6019069 Gas-fired heaters with burners which operate without secondary air and have a substantially sealed combustion chamber
01/2000
01/27/2000WO2000004745A1 Electric heater for a flowing medium
01/27/2000WO2000004324A2 Method for producing an instantaneous water heater and instantaneous water heater with a water pipe and an electrical heating rod
01/27/2000WO1999061889A3 Corrosion probe
01/27/2000DE19930244A1 Heating shaft with burner at lowest point, heat exchanger of ribbed pipes, and exhaust pipe for gases burnt.
01/27/2000DE19831937A1 Continuous water heater fabrication for use e.g. in hot drinks machine, is carried out by e.g. laser-welding of water pipe to clad heating element, fusing contacting surfaces together
01/26/2000CN2360794Y Horizontal gas dual-layer coiled pipe boiler