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