| Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567) |
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| 06/23/1993 | CN2136961Y Multi-purpose oil-fired water heater |
| 06/23/1993 | CN2136960Y Gas water heater |
| 06/23/1993 | CN1073514A Efficient coal-saving heater with super heat conductivity |
| 06/23/1993 | CN1021367C Heat exchanger and method for testing pressure state thereof |
| 06/23/1993 | CN1021366C Circulator for heating or cooling liquid |
| 06/22/1993 | US5222185 Portable water heater utilizing combined fluid-in-circuit and induction heating effects |
| 06/22/1993 | US5221043 Outside waste oil furnace |
| 06/22/1993 | US5220887 Modular vertical tube tank and method of manufacture |
| 06/17/1993 | DE4141444A1 Two-temp.range hot water supply tank - has inlet connected to passage, in turn connected to one leading to outlet |
| 06/17/1993 | CA2076208A1 Wind-resistant heating appliance |
| 06/16/1993 | EP0546328A1 Heat exchange system for the heating of water for central heating and water for domestic use |
| 06/16/1993 | CN2136432Y Split gas water heater |
| 06/16/1993 | CN2136431Y Electric water heater with electric leakage protection |
| 06/16/1993 | CN2136430Y Vertical infrared gas stove |
| 06/16/1993 | CN2136428Y High-efficiency and energy-saving dual-purpose water heater |
| 06/16/1993 | CN2136427Y Smokeless energy-saving boiler with ring burner |
| 06/16/1993 | CN2136426Y Multipurpose central heating plant using oil as medium |
| 06/16/1993 | CN2136425Y Electric high-efficiency water heater |
| 06/16/1993 | CN2136424Y Full automatic electric water heater with continuous water supply |
| 06/16/1993 | CN2136423Y Electric water heater |
| 06/16/1993 | CN2136422Y Electronic strong magnetic water-boiling supply device |
| 06/16/1993 | CN2136421Y Hot-drink device |
| 06/16/1993 | CN2136420Y Steam fast health drinking water device |
| 06/16/1993 | CN2136419Y Hot-washing device capable of heating tap water |
| 06/16/1993 | CN2136418Y Energy-saving preheating device for gas water heater |
| 06/15/1993 | US5220638 Water heater with an improved thermostat mounting and a method of making such water heaters |
| 06/09/1993 | CN2135751Y Electric heating water boiling device |
| 06/09/1993 | CN2135750Y 蒸汽加热定压装置 Steam heating constant pressure device |
| 06/09/1993 | CN2135749Y High-effective energy-saving multi-purpose furnace for warming |
| 06/09/1993 | CN2135748Y Two-layer fire grate counter-burning water stove |
| 06/09/1993 | CN2135747Y Double-function heating water boiling device |
| 06/09/1993 | CN2135746Y Multi-function electric heating thermos bottle |
| 06/09/1993 | CN2135745Y Water boiling heater |
| 06/09/1993 | CN2135744Y Water heating stove |
| 06/09/1993 | CN1021123C Hanging bladder energy-saving water furnace |
| 06/03/1993 | DE4139278A1 By pass for water heater to prevent drips from overflow - consists of by pass valve fitted to cold supply which opens to allow water through it and through water jet pump |
| 06/02/1993 | CN2135128Y Self-eliminating smoke and dust atmospheric hot-water boiler |
| 06/02/1993 | CN2135127Y Safety high-speed horizontal far-infrared gas water heater |
| 06/02/1993 | CN2135126Y Water-heating means |
| 06/02/1993 | CN2135125Y Rotory water heater for stove or range |
| 06/01/1993 | US5216743 Thermo-plastic heat exchanger |
| 06/01/1993 | US5216215 Electrically powered fluid heater including a coreless transformer and an electrically conductive jacket |
| 06/01/1993 | US5215247 Corrosion resistant insert |
| 05/27/1993 | DE4215508C1 Solid fuel heating boiler - has curved guide attached to grate reaching up beyond great plane and into bottom of combustion chamber |
| 05/26/1993 | CN2134625Y Sealed combined warm, hot water apparatus |
| 05/26/1993 | CN2134624Y Gas heating equipment |
| 05/26/1993 | CN2134623Y Automatic makeup water, water heat use and energy-saving apparatus for boiler |
| 05/26/1993 | CN2134622Y Anti-leakage electric boiler |
| 05/26/1993 | CN2134621Y Automatic electric boiler with adjustable water |
| 05/26/1993 | CN2134620Y Water boiler with cold-hot function |
| 05/26/1993 | CN2134619Y Electromagnet hot water apparatus |
| 05/26/1993 | CN2134618Y Runoff electric hot water apparatus |
| 05/26/1993 | CN2134131Y 两用压力锅 Dual pressure cooker |
| 05/19/1993 | DE4137885A1 Sectional cast iron horizontal boiler - has each section with ring of tube sections mounted on ribbed flanged ring forming combustion chamber |
| 05/19/1993 | CN2133803Y Down feeding water-boiling stove |
| 05/19/1993 | CN2133802Y Warming unit for shower |
| 05/19/1993 | CN2133801Y Boiling water device |
| 05/19/1993 | CN2133800Y Energy-saving water-heating unit |
| 05/19/1993 | CN2133799Y Water pipe heating and magnetizing unit |
| 05/19/1993 | CN2133759Y Vapour drink machine |
| 05/19/1993 | CN1072257A Full-automatic gas-fired water heater |
| 05/13/1993 | WO1993009386A1 Ancillary heat pump apparatus for producing domestic hot water |
| 05/13/1993 | CA2121794A1 Ancillary heat pump apparatus for producing domestic hot water |
| 05/12/1993 | EP0390902B1 Heating apparatus with a heat exchanger |
| 05/12/1993 | CN2132948Y Fin type stove having double cylinder |
| 05/12/1993 | CN2132947Y Oil heater having temp. raised by electricity |
| 05/12/1993 | CN2132946Y 3-return civil boiler having pressureless water membrane |
| 05/11/1993 | US5210819 Heating device for a heat transfer medium |
| 05/11/1993 | US5209368 Insulated tank construction and improved self positioning sealing device for use therein |
| 05/11/1993 | US5208964 Method of making a water heater construction |
| 05/11/1993 | CA1317513C Combustible-gas fed storage system for the production of hot water for household use |
| 05/05/1993 | CN2132128Y Electromagnetic heating device for boiler |
| 05/05/1993 | CN2132127Y Household pipe speed heating magnetic shower device |
| 05/05/1993 | CN2132124Y Multiliner smokeless dust-proof energy-saving water boiler |
| 05/05/1993 | CN2132123Y Water heater with stovepipe |
| 05/05/1993 | CN2132122Y 全自动电热水器 Automatic electric water heater |
| 05/04/1993 | US5207212 Submersible high-efficiency combustion chamber for a water heater |
| 05/04/1993 | US5207211 Multiple U-tube down fired water heater |
| 05/04/1993 | CA1317085C Method and apparatus for extracting saturated steam in the synthesis of hydrogen chloride gas |
| 04/29/1993 | WO1993008428A1 Apparatus for heating water |
| 04/29/1993 | WO1993007794A1 Oven with smoke gas bypass |
| 04/29/1993 | DE4232780A1 Method for layer loading in tap water tanks from thermic solar plants - involves condenser in tank running through complete tank height and through which steam runs from external evaporator |
| 04/29/1993 | DE4212074C1 Electric continuous flow meter e.g. for coffee machine - has tubular heaters pressed so that walls of flow tube have recesses altering cross-section |
| 04/28/1993 | CN2131072Y Electrode type electric heater for water heater |
| 04/28/1993 | CN2131071Y Pressure boosting type fuel oil water-heater |
| 04/28/1993 | CN2131067Y Multifunctional fast water heater |
| 04/28/1993 | CN2131066Y Fast energy-saving heat-insulation multipurpose water heater |
| 04/28/1993 | CN2131065Y Warmer for feet and hands |
| 04/28/1993 | CN2131064Y Fast energy-saving water heater |
| 04/28/1993 | CN2131063Y Electric apparatus for heating water |
| 04/28/1993 | CN2131062Y Gas stove for boiling water |
| 04/28/1993 | CN2131061Y Apparatus for boiling water |
| 04/28/1993 | CN2131060Y Electromagnetic water heater |
| 04/27/1993 | US5206928 Thermostat-controlled water heating device for a bidet of a water closet with damped cold water inflow |
| 04/21/1993 | EP0427811B1 An inclined-firebox boiler |
| 04/21/1993 | CN2130250Y Electric water heater with water shield |
| 04/20/1993 | US5203689 Premix boiler construction |
| 04/20/1993 | US5203500 Apparatus and method for converting an electric water heater to use gas |
| 04/20/1993 | CA1316526C Liquid heating or cooling circulator |
| 04/15/1993 | WO1993007424A1 Plant for recuperating heat from waste waster |