Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567) |
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01/08/1998 | DE19626326A1 Gas heated water heater with water or air cooled combustion chamber |
01/07/1998 | EP0816777A2 Method for making a combustion chamber, esp. for gas fired water heaters, and combustion chamber obtained by such method |
01/07/1998 | EP0816776A2 Gas fired water heater and water cooled combustion chamber |
01/07/1998 | EP0816775A2 Gas fired water circulation heater |
01/07/1998 | CN2272117Y Simple water-heating |
01/06/1998 | US5704225 Regenerator |
01/02/1998 | DE19726630A1 Gas=powered water heater, for use with different heating systems |
01/02/1998 | DE19625733A1 Boiler with adjacent vessels and hot draught spaces above gas burners |
01/02/1998 | DE19625206A1 Hot water tank for domestic heating system |
01/02/1998 | DE19624933A1 Exhaust heat exchanger, especially for boilers with fume condensers |
12/31/1997 | CN2271683Y 快速热水炉 Fast Water Heater |
12/31/1997 | CN2271682Y Low voltage high temp steam boiler |
12/31/1997 | CN2271681Y Water pipe-and fire pipe-free louver type fire grate smokeless tea stove |
12/31/1997 | CN2271680Y Surrounding 3-stroke fuel (steam) boiler |
12/30/1997 | CA2113966C Wall mountable flat configuration gas hot water heater |
12/29/1997 | EP0814306A2 Method and apparatus for recovering the remaining sensible and latent heat from the fumes of a furnace |
12/29/1997 | EP0668984B1 Self-supporting water heater, adapted to be made of plastic material |
12/29/1997 | EP0626057B1 Fluid storage tank |
12/24/1997 | WO1997048952A1 Purge management system for gas purged immersion heaters |
12/24/1997 | CN1168461A Multifunctional spiral solar water supply device |
12/24/1997 | CN1036802C Inner rib tubes type water heater |
12/23/1997 | US5701388 Combined heater and pump |
12/23/1997 | US5699756 Wet-base, down-fired water heater |
12/23/1997 | CA2089702C Tank head insulation cover |
12/18/1997 | WO1997047348A1 Ventilation tube, particularly for medical devices |
12/18/1997 | DE19724805A1 Coated reservoir |
12/18/1997 | DE19722635A1 Internal container for hot water tank |
12/17/1997 | EP0813037A1 Heat exchanger, particularly for a boiler |
12/17/1997 | CN2270930Y Double-deck grate vertical front burning non-pressure boiler |
12/17/1997 | CN2270929Y Industrial coal-fired boiler |
12/17/1997 | CN2270928Y Indigenous heating stove |
12/17/1997 | CN2270927Y Oil fired vertical boiler |
12/17/1997 | CN2270926Y High efficiency non-pressure civil boiler |
12/17/1997 | CN2270925Y Water heater heated by using radiator heat source and power supply |
12/17/1997 | CN2270924Y 多功能电热水器 Multifunctional electric water heater |
12/17/1997 | CN2270923Y Quick electric heating water bottle |
12/17/1997 | CN2270922Y Sanitary energy-saving drinking water heater |
12/17/1997 | CN2270921Y Water heater with improved structure |
12/17/1997 | CN2270920Y Quick water heater |
12/17/1997 | CN2270919Y Boiler with water heater |
12/17/1997 | CN2270918Y Vertical boiler with water-storage heater |
12/16/1997 | US5697435 Heat exchanger systems |
12/16/1997 | US5697330 Power-vented, direct-vent water heater |
12/11/1997 | WO1997046835A1 Improvements to a water heater used in heat recovery systems |
12/11/1997 | WO1997046828A1 Boiler having a helical coil of spirally corrugated pipe |
12/11/1997 | DE19724819A1 Total premix blower-assisted catalyst-coated heater |
12/11/1997 | DE19724818A1 Full-mixture blower-assisted catalytic heat producer |
12/10/1997 | CN2270199Y Double returning type three-purpose constant pressure water heating boiler |
12/10/1997 | CN2270198Y Internal heat absorption water pipe type heating stove |
12/10/1997 | CN2270197Y Domestic energy-saving constant pressure water heating boiler |
12/10/1997 | CN2270196Y Efficient corrugated plate heat exchanging face type boiler |
12/10/1997 | CN2270195Y Adjustable power electrode type electric water heater |
12/10/1997 | CN2270194Y 电磁热水器 Electromagnetic water heater |
12/10/1997 | CN1166954A Purifier for cold and hot water |
12/04/1997 | WO1997045681A1 Integrally formed, combined heat exchanger |
12/04/1997 | WO1997045250A1 A process for the manufacturing of a pressure vessel and a pressure vessel, especially for a water heater, made by the process |
12/03/1997 | EP0810407A2 Procedure and installation for recovering the sensible and latent heat in the fumes of a furnace |
12/03/1997 | EP0809772A1 Multistep water heater having a device for increasing combustion efficiency |
12/03/1997 | CN2269562Y Full automatic oil burning heat pipe water heater |
12/03/1997 | CN2269561Y Automatic oil burning and gas fired atmospheric hot water steam boiler |
12/03/1997 | CN2269560Y Forced circulation cornue type water heating boiler |
12/03/1997 | CN2269559Y Superimposed energy saving boiler |
12/03/1997 | CN2269558Y Multipurpose vertical water pipe two return pressure-free boiler |
12/03/1997 | CN2269557Y Conical ring jacket heat pipe water vapour atmospheric boiler |
12/03/1997 | CN2269556Y Atmospheric oil burning boiler |
12/03/1997 | CN2269555Y Multifunctional gas-fired boiler |
12/03/1997 | CN2269554Y Novel electric heater |
12/03/1997 | CN2269553Y Automatic thermstatic gas water heater |
12/03/1997 | CN2269552Y Quick flow type water heater |
12/03/1997 | CN2269551Y Water heater type boiler |
12/03/1997 | CN2269550Y Quick electric water heater |
12/03/1997 | CN1166591A Normal-pressure oil (gas)-burning water-heating boiler |
11/27/1997 | DE19636718C1 Accumulator for hot water |
11/27/1997 | DE19620373A1 Calorific value boiler for heating process water and for space heating |
11/26/1997 | CN2268898Y Solar-electric water heater with water tank |
11/26/1997 | CN2268896Y Horizontal energy saving fast automatic oil fired central water heating stove |
11/26/1997 | CN2268895Y 多功能热水器 Multifunction Water Heater |
11/26/1997 | CN2268894Y Arrangement of heating element and outlet pipe of instant electric heating shower nozzle |
11/26/1997 | CN2268893Y Cheminey water heater |
11/26/1997 | CN2268892Y Pressure connector of gas water heater |
11/26/1997 | CN2268891Y Energy saving showering bath |
11/26/1997 | CN2268890Y Energy saving long service life boiler |
11/26/1997 | CN2268889Y Distilled water/hot water generator |
11/26/1997 | CN2268888Y Stove for household warming system |
11/26/1997 | CN2268887Y Horizontal boiler |
11/25/1997 | US5690061 Water heater with expansion tank |
11/19/1997 | EP0807786A1 Catalytic combustion apparatus |
11/19/1997 | CN2268225Y Normal-pressure boiler with two water chambers |
11/19/1997 | CN2268224Y Portable electric water heater |
11/19/1997 | CN2268223Y Water-controlled micro electric water heater |
11/19/1997 | CN2268222Y Safety quick-acting electric water-heater |
11/19/1997 | CN2268221Y Multi-purpose direct-heating type electric water heater |
11/19/1997 | CN1165274A Circulation type closed circuit oil supply stove |
11/18/1997 | US5687708 For supplying sanitizing water to a dish washing machine |
11/18/1997 | US5687678 High efficiency commercial water heater |
11/13/1997 | DE19619132A1 Electric water heater for wash-basin |
11/12/1997 | EP0806612A2 Compact heating station |
11/12/1997 | EP0806609A1 Gas boiler with resonant combustion |
11/12/1997 | CN2267432Y Alternate heating type water heater |
11/12/1997 | CN2267431Y Double circulation highe fficiency boiler for drinking and bath use |