| Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567) |
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| 04/05/1989 | CN2035446U Directly flowing double fire box water (oil) heating boiler |
| 04/05/1989 | CN2035445U Boiling water heater for range |
| 04/04/1989 | US4818845 Storage type electric water heater having a closed circulation loop provided with a bubble pump |
| 04/04/1989 | US4818843 Smoke generator |
| 04/04/1989 | US4818842 Diesel fuel heater |
| 04/04/1989 | US4817564 Water heater construction |
| 03/30/1989 | DE3730863A1 Apparatus for heating water |
| 03/29/1989 | EP0309199A2 Hot water boiling apparatus |
| 03/29/1989 | EP0309198A2 Hot water boiling apparatus |
| 03/29/1989 | CN2035068U Water-heater |
| 03/29/1989 | CN2035067U Heating furnace with automatically circulating hot water |
| 03/29/1989 | CN2035066U Hot pipe water-heating device for domestic gas stove |
| 03/29/1989 | CN2035065U Heat-accumulation hot-water box by using radiator as the heat source |
| 03/28/1989 | US4815526 Central space heating apparatus |
| 03/28/1989 | CA1251698A1 High-efficiency thermal group |
| 03/23/1989 | DE3729114A1 Katalytischer oxidationsreaktor fuer gasgemische Catalytic oxidation reactor for gas mixtures |
| 03/23/1989 | DE3249924C2 Heating element with cylindrical wall |
| 03/22/1989 | CN2034668U Quick-installing boiler |
| 03/22/1989 | CN2034667U Horizontal type return stroke, back burning, constant pressure and heating pipe boiling water stove |
| 03/22/1989 | CN2034666U Board type double-water-cooling fire-bars hot-water boiler |
| 03/22/1989 | CN2034665U Water-resist three-purpose water heater with hot water, steam and boiling water |
| 03/22/1989 | CN2034657U Multipurpose heating-water stove with combined flue |
| 03/21/1989 | US4813396 Gas)fired water heater |
| 03/15/1989 | EP0306978A2 Water heater tank construction |
| 03/14/1989 | US4812619 Electrode boiler and an insulator therefor |
| 03/14/1989 | US4812618 Electrode boiler and an insulator therefor |
| 03/14/1989 | US4811723 Method and a device for the generation of hot air |
| 03/09/1989 | WO1989002054A1 Catalytic oxidation reactor for gaseous mixtures |
| 03/08/1989 | EP0305813A1 Open water heater |
| 03/08/1989 | EP0305416A1 Heat recuperation device, for use during the operation of a heat pump system. |
| 03/08/1989 | CN2033885U Double combustion boiler with dual fire grate |
| 03/08/1989 | CN2033884U Electrothermal bath water tank |
| 03/07/1989 | US4809672 Gas-fired bayonet-type heater |
| 03/02/1989 | DE3739118C1 Domestic-water storage tank |
| 03/01/1989 | EP0304877A1 Heat exchanger for fuel cell power plant reformer |
| 03/01/1989 | CN2033481U Water and smoke-tube boiler |
| 02/28/1989 | US4808793 Tankless electric water heater with instantaneous hot water output |
| 02/28/1989 | US4808356 Method for insulating a water heater |
| 02/28/1989 | US4808107 Pulse combustion system |
| 02/22/1989 | CN2033103U Water-heating unit |
| 02/22/1989 | CN2033102U Small multipurpose heating furnace |
| 02/22/1989 | CN2033094U Dual-fire box moving grate furnace for boiled water |
| 02/22/1989 | CN2032850U Water-heating unit for shower |
| 02/22/1989 | CN2032839U Fast-speed kettle with shower function |
| 02/21/1989 | US4805590 Gas space heating unit |
| 02/21/1989 | CA1250201A1 Thermal baffle for water heaters and the like |
| 02/16/1989 | DE3726453A1 Medical device |
| 02/09/1989 | DE3800699A1 Hot-water storage vessel |
| 02/08/1989 | EP0302782A1 Heat-transfer fluid heat exchanger |
| 02/07/1989 | US4803343 Electric fluid heating apparatus utilizing a vaporizable working fluid |
| 02/02/1989 | DE3738623C1 Heating furnace with flue gas recirculation |
| 02/02/1989 | DE3738622C1 Heating furnace with equipment for recirculating flue gas |
| 02/02/1989 | DE3724068A1 Device in a water heater for preventing dripping |
| 02/01/1989 | EP0301315A2 Hot-water tank |
| 02/01/1989 | CN2031899U Household gas-heated shower device |
| 02/01/1989 | CN2031898U Household multiple-energy-source heat-accumulating type water heater |
| 02/01/1989 | CN2031897U Residential dual-purpose water heater |
| 02/01/1989 | CN2031896U Miniature type boiler for civil use |
| 02/01/1989 | CN2031895U Electric heater with water-purifying function |
| 02/01/1989 | CN2031894U Low-noise type mixed steam and water heater |
| 01/26/1989 | DE3724191A1 Tank with a closable opening |
| 01/26/1989 | DE3723321A1 Boiler with heat store |
| 01/25/1989 | EP0300639A1 Shower system |
| 01/25/1989 | CN2031486U Pressureless hot-water heating stove |
| 01/24/1989 | US4800252 Apparatus for heating liquid media by infrared irradiation |
| 01/19/1989 | DE3822774A1 Burner-heated sectional boiler |
| 01/18/1989 | EP0299343A1 Heating element for household electrical appliances |
| 01/18/1989 | CN2030851U Household shower |
| 01/17/1989 | US4798308 Water heater construction and method of making same |
| 01/11/1989 | CN2030699U Hot pipe water-heating furnace |
| 01/11/1989 | CN2030698U Multi-functional ac and dc water-heater |
| 01/11/1989 | CN2030697U Reinforced heat-transfer structure |
| 01/10/1989 | US4797535 Tungsten-halogen heater |
| 01/10/1989 | US4796569 Furnace boiler and process for the operation of the boiler |
| 01/10/1989 | US4796344 Method for avoiding thermal stresses in glass lined vessels |
| 01/04/1989 | EP0297261A2 Heater |
| 01/04/1989 | CN2030299U Automatic control electric heating device for cold water |
| 01/04/1989 | CN1030130A Far infrared quick gas heater |
| 01/03/1989 | US4795618 Heat exchanger |
| 12/28/1988 | EP0296630A1 Hotwaterheater |
| 12/28/1988 | EP0296276A2 Boiler |
| 12/28/1988 | CA1247478A Direct contact water heater |
| 12/27/1988 | US4793800 Gas water heater/boiler |
| 12/21/1988 | EP0295967A2 Indirect liquid heating system |
| 12/21/1988 | CN87209965U High efficiency gas hot-water boiler |
| 12/20/1988 | US4792661 Electric heating apparatus for regulating the temperature of a plurality of liquids |
| 12/20/1988 | US4791888 Water heater tank construction |
| 12/20/1988 | US4791887 Boiler with rotatable heat exchanger |
| 12/14/1988 | EP0295098A1 Hot water supply system |
| 12/14/1988 | EP0294551A1 Thermal apparatus |
| 12/14/1988 | CN88219505U Microwave water boiler |
| 12/14/1988 | CN87103788A Heating and boiling device with heat-accumulating block |
| 12/13/1988 | US4791262 Voltage transformer type electric fluid heater |
| 12/13/1988 | US4790291 Sediment agitating apparatus for water heater |
| 12/13/1988 | US4790290 Tank assembly |
| 12/13/1988 | US4790289 Sediment agitating apparatus for water heater |
| 12/13/1988 | US4790268 Submersible chamber water heater |
| 12/08/1988 | DE3716336A1 Device for avoiding dripping water, resulting from thermal expansion, in open hot-water storage tanks |
| 12/07/1988 | EP0293681A2 Heating device with an electrical heating element |
| 12/06/1988 | CA1245920A1 Apparatus and method for burning a combustible gas |