Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567) |
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06/19/1997 | WO1997021968A2 Heat exchanger |
06/19/1997 | WO1997021957A1 Catalytic combustion apparatus |
06/19/1997 | DE19623819A1 Device for preventing breakage of water pipes in boiler through freezing |
06/19/1997 | DE19623807A1 Water tube plate for boiler |
06/18/1997 | CN2256520Y Top closed internal and external heating type boiler |
06/18/1997 | CN2256519Y Radiator with heater |
06/18/1997 | CN2256518Y Water level controller for lifting directive flow water heater |
06/18/1997 | CN2256517Y Full automatic electric heating shower device |
06/18/1997 | CN2256322Y Heater for intervenous injection of medical hanging bottle |
06/18/1997 | CN1152099A Heat conducting oil heating furnace |
06/12/1997 | DE19603418C1 Electric through-flow heater for liquid medium |
06/11/1997 | CN2256084Y Multifunctional high performance heating furnace |
06/11/1997 | CN2256083Y Electric water heater |
06/11/1997 | CN2256082Y Stepless adjusting water heater |
06/11/1997 | CN2256081Y Multichannel heat exchanging bath shower |
06/11/1997 | CN1151501A High-temperature generator |
06/10/1997 | US5637168 Apparatus and method for making flexible tubing with helically wound heating conductor |
06/10/1997 | US5636623 Method and apparatus for minimizing turbulence in a submerged combustion system |
06/10/1997 | US5636598 Induced draft combustion water heater |
06/05/1997 | WO1997020179A1 Dispersion type multi-temperature control system and fluid temperature control device applicable to the system |
06/05/1997 | WO1997020171A1 Pulse combustor and boiler for same |
06/05/1997 | WO1997014003A3 Fluid heater with improved heating elements controller |
06/04/1997 | EP0776445A2 Combination water heating and space heating apparatus |
06/04/1997 | CN2255587Y Double-deck fire-grate type vertical obverse-burning pressure-less boiler |
06/04/1997 | CN2255586Y Quick-acting electric water-heater |
06/04/1997 | CN1151006A Immersion type liquid heater |
06/03/1997 | US5636317 Method of heating a conductive fluid |
05/28/1997 | EP0775876A1 Mixed heat exchanger coil with complex straight section |
05/28/1997 | EP0775873A1 Method and apparatus for recovering the remaining sensible and latent heat of the fumes from a furnace |
05/28/1997 | EP0775872A1 Method and apparatus for recovering the remaining sensible and latent heat from the fumes of a furnace |
05/28/1997 | CN2255018Y Horizontal energy-saving and ambient pressure hot water boiler having water seal |
05/28/1997 | CN2255017Y 电热水器 Electric water heaters |
05/28/1997 | CN2255016Y Multi-function gas-combustion heating system |
05/28/1997 | CN2255015Y Energy-saving, safety and quick water heater |
05/28/1997 | CN2255014Y Low voltage safety electric water heater for shower |
05/28/1997 | CN2255013Y Electric water heater of water/electricity separation type |
05/28/1997 | CN1150638A Fast water heater using briquette |
05/27/1997 | US5632236 Gas-fired heaters with burners which operate without secondary air and have a substantially sealed combustion chamber |
05/22/1997 | WO1997018418A1 Water heater tank end seals and fittings |
05/22/1997 | DE19542706A1 Catalytic burner |
05/21/1997 | EP0774629A2 Water tube boiler and its combustion method |
05/21/1997 | EP0774625A2 Combustion control circuit of combustion apparatus |
05/21/1997 | CN2254530Y Gas-fired heat-source machine |
05/21/1997 | CN2254529Y Heat-energy circulation energy saving boiled water equipment |
05/21/1997 | CN2254528Y Electrothermal film ceramic water heater |
05/21/1997 | CN2254527Y Water heating device of heating pipe line |
05/21/1997 | CN1150235A Microhole burner for gas water heater |
05/20/1997 | CA2127742C Gas-fired, porous matrix, surface combustor-fluid heater |
05/15/1997 | DE19542076A1 Hot water tank, especially for recycled water |
05/15/1997 | DE19541483A1 Hot water tank |
05/14/1997 | EP0595945B1 Double-walled heating section |
05/14/1997 | CN2254164Y Domestic hot-water heating boiler |
05/14/1997 | CN2254163Y Electrode type heating device for water heater |
05/14/1997 | CN2254162Y Double insulation heating tube for electric heating shower bath device |
05/14/1997 | CN1149698A Coiled quick water heater and its producing method |
05/14/1997 | CN1149697A Top-blown reverse combustion smokeless energy saving boiler |
05/09/1997 | WO1997016683A1 Water heater or boiler with improved tank design |
05/07/1997 | EP0772017A2 Heat exchanger tube |
05/07/1997 | DE19645143A1 Catalytic heat generator with burner chamber |
05/07/1997 | CN2253809Y 横式电热水器 Cross-type electric water heaters |
05/07/1997 | CN1149120A Automatic combustion apparatus for vaporized diesel oil |
05/01/1997 | WO1997015785A1 Catalytic burner |
04/30/1997 | DE19608381C1 Central heating boiler, especially condensing boiler |
04/30/1997 | CN2253444Y 热水器 Water Heater |
04/30/1997 | CN2253443Y Hot-pipe multi-functional water boiler |
04/30/1997 | CN2253442Y Oil burning atmospheric hot-water steam boiler |
04/30/1997 | CN2253441Y Safety energy-saving electric water heater |
04/30/1997 | CN2253440Y Energy and water saving efficient bathtub |
04/30/1997 | CN1034762C Hot water boiler with natural circulation |
04/24/1997 | WO1997014916A1 A gas appliance for heating fluids |
04/24/1997 | DE19546190C1 Device for heating heat transport fluid |
04/23/1997 | CN2252962Y Circulating heating boiler |
04/23/1997 | CN2252961Y Fast heating energy saving heating stove |
04/23/1997 | CN2252960Y Spiral board water heater |
04/23/1997 | CN2252959Y Volume gas water heating stove |
04/23/1997 | CN2252958Y Externally-heating domestic gas shower-bath |
04/23/1997 | CN2252957Y Directly-heating fast water heater |
04/23/1997 | CN2252956Y Internally heating electrothermal water heater |
04/17/1997 | WO1997014003A2 Fluid heater with improved heating elements controller |
04/17/1997 | DE19538159A1 Flow heater system for water in e.g. hot drinks machine or water boiler |
04/17/1997 | CA2188321A1 gas water heater |
04/16/1997 | EP0767888A1 Device for heating water for domestic use |
04/16/1997 | CN2252311Y Quick water heater |
04/16/1997 | CN2252310Y Miniature quick electric water heater |
04/16/1997 | CN2252309Y Double-power self-pressure circulation water heater |
04/09/1997 | CN2251694Y Energy-saving non-pressure furnace |
04/09/1997 | CN2251693Y Electroceramics type domestic water-storage heater |
04/09/1997 | CN2251692Y Condensing gas-fired fast water heater |
04/09/1997 | CN2251691Y 多功能热水器 Multifunction Water Heater |
04/09/1997 | CN2251690Y Electrothermal oil water-heater |
04/03/1997 | DE19535891A1 Central heating system circulating electrically heated liquid medium |
04/02/1997 | EP0690689B1 Instant hot water dispenser |
04/02/1997 | CN2251114Y Clean burning boiler using soft coal and briquette |
04/02/1997 | CN1034438C Warming equipment of normal pressure with double circulation guiding circuit |
04/01/1997 | US5615668 Apparatus for cooling combustion chamber in a submerged combustion heating system |
03/26/1997 | CN2250503Y 半导体热水器 Semiconductor heater |
03/26/1997 | CN2250502Y Forced air supply and exhausting device for gas burning water heater |
03/26/1997 | CN2250501Y 热水器 Water Heater |
03/26/1997 | CN2250500Y Direct heating air conditioner and shower device |
03/26/1997 | CN2250499Y Water heater without energy consumption |