| Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567) |
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| 03/03/1999 | CN1209531A Smoke-colour-less low-temp. coal-burning self-temp.-controlled firing boiler of layered-grate and multiple-flue type |
| 03/02/1999 | US5878192 Heating element for water heaters with scale control |
| 03/02/1999 | US5875739 Gas-fired heaters with burners which operate without secondary air and have a substantially sealed combustion chamber |
| 02/25/1999 | WO1999009789A1 Water heater with proportional band temperature control for improved thermal efficiency |
| 02/25/1999 | WO1999009358A1 Bathroom equipment |
| 02/24/1999 | EP0897515A1 Gas-operated thermal bath facility |
| 02/24/1999 | CN2308846Y Heat guide sleeve gas heating stove |
| 02/24/1999 | CN2308845Y Electrically controlled gasoline steam generation and condensation controller |
| 02/24/1999 | CN2308844Y Multifunctional small water heater |
| 02/24/1999 | CN2308843Y Water curtain directly burning boiler |
| 02/24/1999 | CN2308842Y Coiled pipe non-pressure boiler |
| 02/24/1999 | CN2308841Y Santong honeycomb boiler |
| 02/18/1999 | WO1999008049A1 Heating boiler using condensing gas and method for producing same |
| 02/17/1999 | CN2308050Y Special hot-water boiler |
| 02/17/1999 | CN2308049Y Boiler with adiabatic combustion-supporting super-fire-grate and smoke secondary circulation region |
| 02/17/1999 | CN2308048Y Horizontal internal-combustion hot-water boiler |
| 02/17/1999 | CN2308047Y Multiples serial-type shape tube water heater |
| 02/17/1999 | CN2308046Y Improved vacuum phase transformation water boiler |
| 02/17/1999 | CN2308045Y 浴盆热水器 Tub water heater |
| 02/17/1999 | CN2308044Y Multifunction quick steam and hot-water heater |
| 02/17/1999 | CN2308043Y Boiling no-scale electric water heater |
| 02/17/1999 | CN2308042Y Electric-heating shower |
| 02/17/1999 | CN1208160A Thermostatic controlled gas water-heater |
| 02/17/1999 | CN1208159A Pressure difference type electric hot water circulator |
| 02/16/1999 | US5872890 Spa water heater apparatus |
| 02/16/1999 | US5871006 Hot water heating system |
| 02/11/1999 | WO1999006776A1 Hot water heater with separator structure |
| 02/10/1999 | CN2307239Y Fully automatic multifunctional hydrothermal type water heater |
| 02/10/1999 | CN2307238Y Quick washing scale-removing energy-saving water heater |
| 02/10/1999 | CN2307237Y High effeciency energy-saving heat superconducting vertical boiler |
| 02/10/1999 | CN2307236Y Electrical water heater |
| 02/10/1999 | CN2307235Y Electric heating device for all-weather solar water heater |
| 02/10/1999 | CN2307234Y Multifunctional automatic controller for electrical water heater |
| 02/10/1999 | CN2307233Y Thin hanging water heater |
| 02/10/1999 | CN1207477A Water-controlled water heater and water-controlled constant-temp. water heater |
| 02/09/1999 | US5868980 Method for masking components of a hot water tank from insulation |
| 02/04/1999 | WO1999005461A1 Device for producing hot water |
| 02/04/1999 | DE19732414A1 Throughflow heater for heating liquids e.g. water |
| 02/03/1999 | CN2306451Y Non-scale energy-saving sanitation safety apparatus for heating and boiling water |
| 02/03/1999 | CN2306450Y Suspended double liner boiler |
| 02/03/1999 | CN2306449Y Three-return multi-smoke tube vertical boiler |
| 02/03/1999 | CN2306448Y Electric water heater with guider and multi-electric heater |
| 02/03/1999 | CN2306447Y Double insulation-type electrothermic shower |
| 02/03/1999 | CN2306446Y 电热水器 Electric water heaters |
| 02/03/1999 | CN2306445Y Electric air heater for showering |
| 02/03/1999 | CN2306444Y Electric water heather for washing immediately |
| 02/03/1999 | CN2306443Y Eddy water heater |
| 02/03/1999 | CN2306442Y High-efficient boiler |
| 02/03/1999 | CN2306441Y Desulfurating azotification reverse smoke-discharging boiler |
| 02/03/1999 | CN2306440Y Device for use in pot shell type horizontal external burning boiler |
| 02/03/1999 | CN2306439Y Heat-tube boiler |
| 02/03/1999 | CN1206815A Split wall type boiler |
| 02/02/1999 | US5866880 Fluid heater with improved heating elements controller |
| 01/27/1999 | EP0848894B1 Heating element |
| 01/27/1999 | CN2305643Y Double type heat pipe raw oil and dilution oil heater |
| 01/27/1999 | CN2305613Y Hudrate hydrogen furnace |
| 01/27/1999 | CN2305612Y High efficiency energy saving boiler |
| 01/27/1999 | CN2305611Y Full automatic water heater for mini boiler |
| 01/27/1999 | CN2305610Y Vertical double layer burning three purpose boiler for tea tath and heating |
| 01/27/1999 | CN2305609Y Civil energy saving pressure-free boiler |
| 01/27/1999 | CN2305608Y Anti-dry heating electric water heater for thermos bottle |
| 01/27/1999 | CN2305607Y Siphon type water-electric separated semi water storage type electric shower |
| 01/27/1999 | CN2305606Y Full automatic water heater |
| 01/27/1999 | CN2305605Y Temperature controller for cylindrical electric heating shower |
| 01/27/1999 | CN2305604Y Phase change type water boiler |
| 01/27/1999 | CN2305603Y Heating stove for heat pipe conductive oil |
| 01/27/1999 | CN2305602Y Wired remote control plane super thin mural type gas water heater |
| 01/27/1999 | CN2305601Y Forced exhausting gas water heater |
| 01/27/1999 | CN2305600Y Water heater using super conductive heat pipe |
| 01/27/1999 | CN2305599Y High efficiency coal fire quick water heater |
| 01/27/1999 | CN2305598Y Split superconductive life boiler |
| 01/27/1999 | CN1206096A Electric water heater with enamel water tank and its manufacture |
| 01/26/1999 | US5863580 Electroheating a proteinaceous biological compound, cooling |
| 01/26/1999 | CA2152692C Gas quick water heater |
| 01/21/1999 | WO1999002079A1 Method and apparatus for heat generation |
| 01/21/1999 | DE19730024A1 Central heating circuit boiler with solar collector system |
| 01/20/1999 | EP0657011B1 Burner |
| 01/20/1999 | CN2304863Y Household energy saving small size boiler |
| 01/20/1999 | CN2304862Y Bath heater for various fuels |
| 01/20/1999 | CN2304861Y Air heating boiler |
| 01/20/1999 | CN2304860Y Small size infrared heating boiler |
| 01/20/1999 | CN2304859Y Vapor generator |
| 01/20/1999 | CN2304858Y Inductive electric water heater |
| 01/20/1999 | CN2304857Y Instant volume heat exchanger |
| 01/20/1999 | CN2304856Y Temperature regulator for water heater |
| 01/20/1999 | CN2304855Y Electric water heater by high frequency induction |
| 01/20/1999 | CN2304854Y Fluidized boiled water heater |
| 01/20/1999 | CN2304853Y Computer controlling direct flow hot water and steam generator |
| 01/19/1999 | US5862303 Electrically heated pipe with helically wound amorphous alloy heater |
| 01/14/1999 | WO1999001712A1 A heat exchanger card and a heat exchanger incorporating same |
| 01/13/1999 | EP0890803A1 Direct contact water heater with double chamber |
| 01/13/1999 | CN2304077Y Water heater |
| 01/13/1999 | CN2304072Y Health-care life boiler |
| 01/13/1999 | CN2304071Y Steaming apparatus for storage type water-heater |
| 01/13/1999 | CN2304070Y Back-burning boiler |
| 01/13/1999 | CN2304069Y Simple water-tank type electric shower apparatus |
| 01/13/1999 | CN2304068Y Vacuum water-boiling tank |
| 01/13/1999 | CN2304067Y Gas water-heating apparatus |
| 01/13/1999 | CN2304066Y Multi-layer split water heating multi-purpose boiler |
| 01/13/1999 | CN2304065Y Horizontal three-return-stroke pressure-free water-heating boiler |