| Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567) |
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| 09/15/2004 | CN2641522Y Two-purpose electric water heater with upper and lower water outlet |
| 09/15/2004 | CN1166903C Hot water supplier |
| 09/14/2004 | US6792201 Water heating device |
| 09/14/2004 | US6790481 Corrosion-resistant heat exchanger |
| 09/14/2004 | US6789744 Fluid heater with a variable mass flow path |
| 09/10/2004 | WO2004042289A3 Boiler |
| 09/09/2004 | US20040175162 Infrared emitter element and its use |
| 09/09/2004 | US20040173600 Water heater and control |
| 09/09/2004 | US20040173164 Method and apparatus for heating a liquid storage tank |
| 09/09/2004 | DE202004010154U1 Method for fitting flame duct to boiler has a round shaped chamber around the front extension of the flame duct and connected to the water spaces |
| 09/09/2004 | DE19913859B4 Innenbehälter für einen Warmwasserspeicher in Flachbauweise Inner container for a hot water tank in flat |
| 09/08/2004 | EP1455145A1 Heat pump type hot water supply device |
| 09/08/2004 | EP1454099A1 Energy efficient heat pump systems for water heating and air conditioning |
| 09/08/2004 | CN2639792Y Gas heating/hot water dual purpose boiler |
| 09/08/2004 | CN2639791Y Household gas heating/bathing water heater |
| 09/08/2004 | CN2639790Y Heat pipe style civil energy-saving boiler |
| 09/08/2004 | CN2639789Y Volumetric multistage heating anthracite energy saving water heating boiler |
| 09/08/2004 | CN2639788Y Double grate back burning atmospheric pressure boiler |
| 09/08/2004 | CN2639787Y Ultrasonic wave electric water heater |
| 09/08/2004 | CN1527001A Low water pressure gas burning water heater |
| 09/08/2004 | CN1166046C Motor used in heater and pump combination |
| 09/07/2004 | CA2134311C Cartridge for in-line microwave warming apparatus |
| 09/02/2004 | WO2004074744A1 Gas boiler |
| 09/02/2004 | US20040170412 Fluid heater with freeze protection |
| 09/02/2004 | US20040170411 Fluid heater temperature control apparatus and method |
| 09/02/2004 | US20040170408 Control system for a portable instant hot water heater |
| 09/02/2004 | DE202004008763U1 Heizkessel Boiler |
| 09/02/2004 | DE19854910B4 Heizkessel Boiler |
| 09/02/2004 | DE10306699A1 Wärmetauscher mit einem strömungsoptimierten wärmeaufnehmenden Strömungskanal, insbesondere für ein Heizgerät Heat exchanger having a flow-optimized heat receiving flow channel, in particular for a heater |
| 09/02/2004 | DE102004005540A1 Wärmepumpenvorrichtung Heat pump device |
| 09/01/2004 | CN2638388Y Electromagnetic heater |
| 09/01/2004 | CN2637983Y Atmospheric shaped coal water-heating boiler |
| 09/01/2004 | CN2637982Y Household central electric heating stove |
| 09/01/2004 | CN2637981Y Radiating heat-exchanging electric water heater |
| 09/01/2004 | CN2637980Y No-repeated boiling electric water heater |
| 09/01/2004 | CN2637979Y Electrical shock-preventing electric water heater |
| 09/01/2004 | CN2637978Y Vertical and horizontal dual-purpose electric water heater |
| 09/01/2004 | CN2637977Y Gas water heater |
| 09/01/2004 | CN2636857Y Safety heating massage health bucket for washing feet |
| 09/01/2004 | CN1525113A Hot water, boiled water and steam high efficiency heat exchange generator |
| 09/01/2004 | CN1164903C Small sealed gas-burning water heating system for heating and bathing |
| 08/31/2004 | US6785466 Electric water heater having balanced wattage density water heating |
| 08/26/2004 | WO2004072562A2 Pre-heating contiguous in-line water heater |
| 08/26/2004 | DE202004007522U1 Connecting part for a hot water reservoir comprises two pipe connections thermally separated from each other and/or having a siphon-shaped flow connection and is inserted between a reservoir-side connector and a pipeline |
| 08/26/2004 | DE10306701A1 Heizeinrichtung und zugehörige Betriebsverfahren Heating device and associated method of operation |
| 08/26/2004 | DE10306483A1 Heat transfer pipe for heat exchanger, includes two pipe sections such that one pipe section is divided into pipe segments having components which increases heat transfer |
| 08/26/2004 | DE10305383A1 Wärmetauscheranordnung für eine Heizeinrichtung, insbesondere Fahrzeugheizeinrichtung Heat exchanger assembly for a heating, especially vehicle heater |
| 08/26/2004 | DE10305029A1 A method for heating water for central heating circuits has a microwave generator and a coil of plastic piping through which the water is passed by a pump |
| 08/26/2004 | DE10304679A1 Combined hot water supply to user points and water heater for central heating system has layered holding water tank with cold-water inlet and a pipe to user points |
| 08/25/2004 | EP1450115A1 Heating apparatus and related method of operation |
| 08/25/2004 | EP1450114A1 Heat exchanger with a optimised fluid flow heat absorbing channel, in particular for heating apparatus |
| 08/25/2004 | EP1450110A2 Hot water supply system with storing tank |
| 08/25/2004 | EP1254343B1 A boiler constructed using a composite material |
| 08/25/2004 | CN2636158Y 采暖设备 Heating equipment |
| 08/25/2004 | CN2636151Y Vertical coiled pipe vacuum super conductive heating furnace |
| 08/25/2004 | CN2636150Y Vertical smokeless energy saving boiler |
| 08/25/2004 | CN2636149Y Energy saving water-boiling boiler |
| 08/25/2004 | CN2636148Y Normal pressure environment protection combustion furnace |
| 08/25/2004 | CN2636147Y Water purifier heater without secondary contamination |
| 08/25/2004 | CN2636146Y Frequency changing electromagnetic water boiling furnace |
| 08/25/2004 | CN2636145Y Heat-exchanger for gas quick water heater |
| 08/25/2004 | CN2636089Y Burner structure for water heater |
| 08/25/2004 | CN2636087Y Top backwater energy saving boiler |
| 08/25/2004 | CN1523306A Aerobic electric heating quick-speed boiler |
| 08/25/2004 | CN1523301A Heat pump type hot water supply system with cooling function |
| 08/24/2004 | US6782196 Fluid heater with freeze protection |
| 08/24/2004 | US6782195 Heat exchanger for high purity fluid handling systems |
| 08/18/2004 | EP1446615A1 Improved water heater |
| 08/18/2004 | CN2634386Y Heat supply device mainly using solar energy |
| 08/18/2004 | CN2634373Y Parallel pipe type quick heat exchanging heat supply and bathing water heating boiler |
| 08/18/2004 | CN2634372Y Cross flow type smoke waste heat boiler |
| 08/18/2004 | CN2634371Y Two temperature regulating control water heater |
| 08/18/2004 | CN2634370Y Pressure difference disc of gas water heater |
| 08/18/2004 | CN2634369Y Rolling type fluid electric heater |
| 08/18/2004 | CN1521471A Coagulation type hot water boiler |
| 08/18/2004 | CN1521470A High and low temperature dual purpose water heater |
| 08/18/2004 | CN1162662C Multifunctional environment protection gas-burning furnace with superconducting heat-pipe |
| 08/17/2004 | US6776153 Hybrid atmospheric water heater |
| 08/14/2004 | CA2418909A1 Explosion proof heater assembly |
| 08/12/2004 | WO2004068042A1 A fluid heater |
| 08/12/2004 | DE202004009349U1 Continuous electric heater has through flow heating body whose interior space forms flow shaft containing one or more further heating bodies |
| 08/12/2004 | CA2448655A1 Hot water heater |
| 08/11/2004 | EP1445552A1 Heat exchanger for a heater, especially for car heating. |
| 08/11/2004 | CN2632578Y Boiler with unitary water cooling sleeve and upper cylinder |
| 08/11/2004 | CN2632577Y Multifunctional boiler of superconductivity hot pipe energy-saving effect adder |
| 08/11/2004 | CN2632576Y Boiler with airing unit and using coal and rice hull as fuel |
| 08/11/2004 | CN2632575Y Household multifunctional furnaces |
| 08/11/2004 | CN2632574Y Boiler |
| 08/11/2004 | CN2632573Y Sealed pressure water storage tanks |
| 08/11/2004 | CN2632572Y Energy-saving pneumatic electric water heater with double air cavities |
| 08/11/2004 | CN2632571Y Automatic steaming and electrothermal water boiler |
| 08/11/2004 | CN2632570Y Pipe emptying device of bearing solar water heater |
| 08/11/2004 | CN2632569Y Ultrasonic gas water heater |
| 08/11/2004 | CN2632568Y Rapid planar spiral flat flow electromagnetic water heater |
| 08/11/2004 | CN2632567Y Liquid far infrared heater |
| 08/11/2004 | CN2632566Y Heater of safety electric water heater and thermostatic bath |
| 08/11/2004 | CN2632565Y Electromagnetic induction water heater |
| 08/11/2004 | CN2632564Y Electromagnetic induction rapid heating unit of water heater |
| 08/11/2004 | CN1520505A 电热水器 Electric water heaters |
| 08/11/2004 | CN1519516A Direct heating type water heater capable of preventing hot water from changing color adn turning to turbid water |