| Patents for F24H 1 - Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (28,567) |
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| 02/12/1992 | CN2096025U Central heating water heater |
| 02/12/1992 | CN2096008U Two time return burning heat tube pressureless feeding multi-purpose stove |
| 02/12/1992 | CN1058641A Water flowing type flameless gas water-heater |
| 02/11/1992 | US5086731 Water heater |
| 02/06/1992 | DE4024559A1 Electric throughflow heater for dishwasher or washing machine - has two separate throughflow channels in series within hollow cylinder surrounded by heating winding |
| 02/05/1992 | EP0469279A1 Place for treating medical and dental instruments with a heater for a medium |
| 02/05/1992 | EP0469043A1 Hot water heaters. |
| 02/04/1992 | US5085579 Powered chamber combustion system and burner therefor |
| 01/30/1992 | DE4023921A1 Throughflow heater for tea or coffee making machine - has two temp. regulating switches thermically coupled so that one is open and other closed during brewing |
| 01/29/1992 | EP0468038A1 Absorption refrigeration and heat pump system with defrost |
| 01/29/1992 | CN2094845U Electric heating device |
| 01/29/1992 | CN2094707U Full-automatic multi-function flow type electric water heater |
| 01/29/1992 | CN2094706U Domestic stove exhauste heat water heater |
| 01/29/1992 | CN2094705U Multi-purpose energy-saving metal and tea stove |
| 01/29/1992 | CN2094704U Jet flow type energy-saving tea stove |
| 01/29/1992 | CN2094681U Non-pressure high-temp. heat carrier coal-burning furnace |
| 01/28/1992 | CA2047987A1 Hot loop water supply apparatus |
| 01/22/1992 | CN2094006U Vertical atmospheric water-heating boiler with double-deck grates |
| 01/22/1992 | CN2094005U Vertical hot-tube tea and bath boiler with double-deck grates |
| 01/22/1992 | CN2094003U Domestic electric water-heating shower |
| 01/22/1992 | CN2094002U Dividing electric-heating shower |
| 01/22/1992 | CN2094001U Power-economizing rapid water boiler |
| 01/22/1992 | CN2093962U Atmospheric hot-water boiler |
| 01/15/1992 | EP0466207A1 Low temperature heating boiler |
| 01/15/1992 | EP0466188A1 Heat transfer material for heating and heating unit and heating apparatus using |
| 01/15/1992 | CN2093342U Hanging solar directly heated fully plastic shower |
| 01/15/1992 | CN2093341U Normal pressure boiler with lever amplifying mechanism |
| 01/15/1992 | CN2093339U Vertical pipe hot water coal stove |
| 01/15/1992 | CN2093338U Non-pressure hot-water boiler |
| 01/15/1992 | CN2093337U Domestic water heater |
| 01/08/1992 | CN2092718U Full automatic electric boiler |
| 01/08/1992 | CN2092715U 热水器 Water Heater |
| 01/08/1992 | CN2092714U Covered type quick water heater |
| 01/08/1992 | CN2092713U Normal pressure horizontal kerosene stove |
| 01/08/1992 | CN2092712U Special-formed microcrystalline glass far-infrared heater |
| 01/08/1992 | CN2092711U Combustion gas boiler |
| 01/08/1992 | CN2092710U Domestic quick-heating magnetic water shower nozzle |
| 01/08/1992 | CN2092709U 自来水热水器 Water heaters |
| 01/08/1992 | CN2092666U Reclaimer for afterheat of flue gas |
| 01/08/1992 | CN2092284U Multi-purpose shower net with double-warming function |
| 01/07/1992 | US5078123 Electric water warming system |
| 01/02/1992 | EP0305416B1 Heat recuperation device, for use during the operation of a heat pump system |
| 01/02/1992 | DE4019856A1 Transportable heating system for outdoor applications - includes direct or indirect conversion of heat into energy used for ventilation or transport of heat transfer medium |
| 01/01/1992 | CN2092062U Water heater |
| 01/01/1992 | CN2092061U Water heater for bathtub |
| 01/01/1992 | CN2092060U Gas water heater |
| 01/01/1992 | CN2092059U Automatic and fast gas water heater |
| 01/01/1992 | CN2092058U Spiral water heater |
| 01/01/1992 | CN2091628U Electrothermal feet bathtub |
| 12/31/1991 | US5076494 Integrated hot water supply and space heating system |
| 12/27/1991 | EP0328593B1 Catalytic oxidation reactor for gaseous mixtures |
| 12/25/1991 | CN2091427U Three-purpose combined boiler for hot water, bath and heating |
| 12/25/1991 | CN2091426U Bathtub with ridiator |
| 12/25/1991 | CN2091425U Large-space electric heating fluid convection reinforcing device |
| 12/25/1991 | CN2091424U Two-purpose hot water unit for electricity, gas |
| 12/25/1991 | CN2091423U Roller kiln waste heat water heater |
| 12/25/1991 | CN2091422U Central heating pipe tap water preheating unit |
| 12/25/1991 | CN2091421U Multi-functional miniature fast multi-polar plate water heater |
| 12/25/1991 | CN2091420U Energy-saving no-coking oil electric heating unit |
| 12/25/1991 | CN2091419U Electric heating device |
| 12/25/1991 | CN1015200B Steam generator |
| 12/24/1991 | US5074464 Forced draft direct vent system for a water heater |
| 12/18/1991 | EP0462005A1 Coil, coil element, coil block, and heat generating motor, hot air blower and submersible water heater assembled therefrom |
| 12/18/1991 | EP0461781A1 Heat exchanger |
| 12/18/1991 | CN2090949U Double-liner normal pressure hot water heating stove |
| 12/18/1991 | CN2090948U Independent heat exchanger |
| 12/18/1991 | CN1057103A Electric water boiler |
| 12/17/1991 | US5073697 Multi-use type heating apparatus |
| 12/15/1991 | CA2044514A1 Coil, coil element, coil block, and heat generating motor assembled therefrom |
| 12/14/1991 | WO1991019941A1 Improvements in pulsating combustors |
| 12/14/1991 | CA2059636A1 Pulsating combustors |
| 12/13/1991 | CA2043087A1 Boiler |
| 12/11/1991 | CN2090498U 立式水冷壁管三用锅炉 Three vertical water wall tube boiler |
| 12/11/1991 | CN2090497U Internally ribbed tube quick water heater |
| 12/11/1991 | CN1056928A Apparatus for heating fluid |
| 12/05/1991 | DE4042368A1 Electric heater apparatus for dental applications - removes compressed air supply to cause piston to return to quiescent position under spring tension |
| 12/05/1991 | DE4016381A1 Electric air or water heating device for dental instruments - has flow channels incorporated in electrically and heat conductive elements either side of heating element |
| 12/04/1991 | EP0459785A1 Hot water boilers |
| 12/04/1991 | EP0458811A1 Water heater and method of fabricating same |
| 12/04/1991 | CN2090033U Safety quick heating electric hot-water apparatus |
| 12/04/1991 | CN2090032U Chimney water type gas hot-water apparatus |
| 12/04/1991 | CN2090031U Efficient automatic gas hot-water apparatus |
| 12/03/1991 | US5069169 Tube-in-shell heating apparatus |
| 12/03/1991 | CA1292650C Advanced heater |
| 11/30/1991 | WO1991019138A1 Apparatus for heating a fluid |
| 11/28/1991 | DE4016880A1 Cooled boiler door assembly - is connected by flexible pipes to boiler and water return union |
| 11/27/1991 | EP0458427A1 Combined water heater |
| 11/27/1991 | EP0457787A1 Thermal insulation jacket. |
| 11/27/1991 | CN2089683U Self-heating electric heater |
| 11/27/1991 | CN2089597U Closed coal burning device for heating and hot water bathing |
| 11/27/1991 | CN2089595U Device for heating and bathing |
| 11/27/1991 | CN2089594U Gas burning stove for boiling water and bathing |
| 11/27/1991 | CN2089577U Combined rapid water heater |
| 11/21/1991 | EP0457234A1 Apparatus for changing quickly the temperature of liquid or gaseous fluid |
| 11/21/1991 | EP0457179A1 Device for the conductive heating of flowing materials |
| 11/21/1991 | DE4015987A1 Hot gas heat exchanger - uses liquid heat carrier, in contact with all materials |
| 11/20/1991 | CN2089146U Water tank of water heating stove for domestic bathing |
| 11/20/1991 | CN2089145U High-efficient coal-saving multipurpose stove |
| 11/20/1991 | CN2089144U Safety tubular electric water heater |
| 11/20/1991 | CN2089143U Full automatic electrothermic water boiling device |