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