| Patents for F24H 9 - Details (27,146) |
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| 08/02/1994 | US5334231 Paired retaining clips for gas furnace filter wire |
| 07/28/1994 | DE4302023A1 Programming boiler regulator for switching ON or OFF of boiler operations |
| 07/28/1994 | DE4301812A1 Gerät zum Erwärmen von Wasser, insb. Warmwasserheizkessel Device for heating water, esp. Hot water boilers |
| 07/26/1994 | US5331944 Variable speed inducer motor control method |
| 07/20/1994 | CN2172434Y General burner of gas water heater |
| 07/20/1994 | CN2172433Y Burner of gas water heater and burner assembly therefrom |
| 07/20/1994 | CN2172431Y Multipurpose health hot water cabinet |
| 07/16/1994 | CA2087367A1 Water heater |
| 07/14/1994 | DE4344404A1 Anordnung zur Steuerung des einer Heizvorrichtung zugeführten Wechselstroms Arrangement for controlling the alternating current supplied to a heater |
| 07/13/1994 | CN2171815Y Electric bathing tank |
| 07/13/1994 | CN2171814Y Energy-saving magnetic scale-eliminating boiler |
| 07/13/1994 | CN2171813Y Efficient energy-saving hot-blast stove |
| 07/13/1994 | CN2171812Y Gas water heating apparatus with humidity display |
| 07/13/1994 | CN1089348A Auto shut off linearly controlled multi-plate electric water heater |
| 07/12/1994 | US5329098 Open coil heater for efficient transport |
| 07/06/1994 | CN2171083Y Water delivery pipe with decompression filter device for electric water heater |
| 07/05/1994 | US5326025 Warm up method for two stage furnace |
| 07/05/1994 | US5325822 Electrtic, modular tankless fluids heater |
| 06/29/1994 | EP0603895A1 Insulating system |
| 06/29/1994 | EP0603302A1 Heat exchanger for a water heater |
| 06/28/1994 | US5324919 Open coil heater for efficient transport with nestable heating elements |
| 06/22/1994 | CN2169818Y Double water temperature controller of gas burning water heater |
| 06/22/1994 | CN2169817Y Control valve for gas burning water heater |
| 06/22/1994 | CN2169816Y Structure safety type electric water heater |
| 06/22/1994 | CN2169811Y Fully automatic computer water heater |
| 06/21/1994 | US5322216 System and method for controlling outlet water temperature of an instantaneous water heater |
| 06/21/1994 | US5322051 Hinged blower access door with blower switch activation |
| 06/15/1994 | EP0601253A1 Cast iron boilers |
| 06/15/1994 | CN2169092Y Waterheater with automatic temperature controller |
| 06/15/1994 | CN2169091Y Gas burner accessory for gas filtering and energy saving |
| 06/15/1994 | CN2169083Y Multifunctional boiler with normal pressure |
| 06/14/1994 | US5320087 Method and apparatus for preventing splashing condensate from activating safety pressure switch in multi-poise condensing furnace |
| 06/09/1994 | DE4315468C1 Electric through-flow water heater operating method - using electromechanical switch closed before power circuit is switched in and opened after power circuit is disconnected |
| 06/09/1994 | DE4240840A1 Electrical continuous flow water heater - has aluminium extruded part, at least one inserted passage tube and at least one tubular heater with electrical connections and temp. regulator |
| 06/08/1994 | CN2168216Y Scales-storage and discharging device for tea-making and bathing stove |
| 06/08/1994 | CN2168210Y Atmospheric water heating boiler |
| 06/08/1994 | CN2168206Y Multielement combined boiler |
| 06/07/1994 | US5318007 Heat exchanger manifold for swimming pool or spa heaters |
| 06/01/1994 | EP0599796A1 Atmospheric gasboiler for central heating |
| 06/01/1994 | CN2167322Y Detector for ignition safety for water-heater |
| 06/01/1994 | CN2167321Y Double metal sheet safety control device for gas water-heater |
| 06/01/1994 | CN2167320Y Electricity-saving device for water-heater |
| 06/01/1994 | CN2167319Y Safety control device for constant temp. type automatic water heater |
| 06/01/1994 | CN2167318Y Comprehensive properties testing machine for gas burner |
| 06/01/1994 | CN2167317Y Heat recovery and air ventilating device for domestic gas water heater |
| 05/26/1994 | DE4307146C1 Screw-in immersion heater for liquid medium, e.g. milk - has solder connections protected by plastics layer covered by chrome-nickel-steel layer |
| 05/25/1994 | CN2166382Y Special valve component for water heater |
| 05/25/1994 | CN2166381Y Pressure cut off |
| 05/25/1994 | CN2166380Y Automatic breaking for water boiling of water heater |
| 05/25/1994 | CN2166379Y Thin shape balance type gas-burning water heater |
| 05/25/1994 | CN2166376Y vertical heating water boiler |
| 05/25/1994 | CN2166374Y Valve for water heater |
| 05/25/1994 | CN1087165A Water and electricity separated, radiation heating fast shower |
| 05/24/1994 | US5313930 For a direct vent |
| 05/18/1994 | EP0597342A1 Boiler |
| 05/18/1994 | CN2165381Y Electric water heater with electric leakage and overtemp. controller |
| 05/18/1994 | CN2165380Y Full automatic controller for thermostatic water heater |
| 05/18/1994 | CN2165379Y Demostic gas hot-water shower antiscale device |
| 05/18/1994 | CN2165373Y Water boiling boiler |
| 05/17/1994 | US5312036 Instantaneous water heater which includes safety devices separately or in combination to prevent the explosion of the heat exchanger in the event of an excessive heating of the water in the heating coil and to shut-off the flow of gas to the burner |
| 05/11/1994 | WO1994010620A1 A hot water tank energy controller |
| 05/11/1994 | EP0596858A1 Sectional boiler with cast-iron sections |
| 05/11/1994 | EP0595945A1 Double-walled heating section. |
| 05/11/1994 | CN2164525Y Controlling bottun assembly for water heater |
| 05/11/1994 | CA2147974A1 A hot water tank energy controller |
| 05/10/1994 | CA2102745A1 Adaptive forced warm air furnace using analog temperature and pressure sensors |
| 05/05/1994 | DE4337388A1 Controlling heating system responsive to outside temp. measurement - averaging temp. readings over 24-hour periods for correction of storage heater control signal |
| 05/04/1994 | EP0595718A1 Valve with sleeve connection for heating installation or hot water installation heating or hot water installation and radiator having at least one such valve |
| 05/04/1994 | CN2163986Y Small-sized efficient energy-saving domestic boiler |
| 05/04/1994 | CN2163985Y Vertical energy-saving boiler |
| 05/04/1994 | CN2163984Y Fluidizing oil-burning water boiler |
| 05/04/1994 | CN1086304A Immersion combustion type liquid-heating device |
| 05/03/1994 | US5307990 Adaptive forced warm air furnace using analog temperature and pressure sensors |
| 05/03/1994 | CA1329076C Sealing and insulation device for the space between spaced apart surfaces |
| 04/27/1994 | EP0401237B1 A heat installation for premises with water as a heat transmitting medium |
| 04/27/1994 | CN2163347Y Burner gas tube of water heater |
| 04/27/1994 | CN2163346Y Burning and back-burning large tea stove |
| 04/27/1994 | CN2163342Y Pressureless energy saving stove |
| 04/20/1994 | EP0592398A1 Apparatus for measurement and control, respectively, of temperature and/or pressure. |
| 04/19/1994 | US5305419 Hot water tank construction, electrically operated heating element construction therefor and methods of making the same |
| 04/19/1994 | US5305418 Water heater tank arrangement control device and shaft extension therefor and methods of making the same |
| 04/14/1994 | WO1994008184A1 A guiding device specially adapted for a hot water storage tank |
| 04/13/1994 | EP0592222A1 Water heaters |
| 04/13/1994 | CN2161871Y Smokeless single-layer double combustion chamber heating stove |
| 04/07/1994 | DE4334163A1 Safety unit for water heater having heat exchanger heated by burner - has sensing unit for determining temp. of feed water of heating circuit and temp. detector controlling switch for monitoring temp. of feed water |
| 04/07/1994 | DE4334162A1 Electric continuous flow water heater - has safety relay between heaters and 3-phase supply, triggered by voltage monitoring unit and water flow monitor |
| 04/07/1994 | DE4233101A1 Protective tube arrangement for HV heating element - has metal tube with inner quartz tube containing element and filling between tubes of high strength insulation |
| 04/06/1994 | CN2160855Y Main valve safety device for gas water heater fired by water control |
| 03/31/1994 | DE4232340A1 Wall-mountable hot water heater - has electronic control circuit at bottom in housing and fitted in watertight box |
| 03/30/1994 | EP0589012A1 Heat source housing. |
| 03/30/1994 | CN2160095Y Micro computer multifunction automatic line controller for water heater |
| 03/30/1994 | CN2160094Y Inner stove power saving device for hot water boiler |
| 03/29/1994 | US5297729 Heating system for heating a space |
| 03/23/1994 | EP0587674A1 An arrangement for connecting radiators to circulation pipes |
| 03/23/1994 | CN2159530Y Non-smoke box-like boiler |
| 03/22/1994 | CA1327922C Boilers with catalytic combustion of methane for heating water for domestic use |
| 03/17/1994 | WO1994006191A1 Power controller device |
| 03/17/1994 | WO1994005955A1 Hot water distributor with oil preheater for an oil heating furnace |
| 03/16/1994 | CN2158992Y Ignition time difference controller for water-igniting water heater |
| 03/16/1994 | CN2158991Y Distant and near temp.-adjusting device for gas water-heater |