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