| Patents for F24H 8 - Fluid heaters having heat-generating means specially adapted for extracting latent heat from flue gases by means of condensation (1,863) |
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| 09/24/1998 | DE19711353A1 Exhaust gas heat exchanger |
| 09/24/1998 | DE19711161A1 Gas calorific value boiler |
| 09/23/1998 | CN2292253Y Multi-layer ring-shaped water heater heated by waste heat of coal stove |
| 08/19/1998 | EP0859210A1 Heat exchangers |
| 08/18/1998 | CA2125091C Inducer for condensing furnace |
| 08/12/1998 | EP0857923A2 Method of operating a condensing boiler and boiler for implementing said method |
| 07/07/1998 | US5775318 Forced air condensing furnace and heat exchanger manifold therefor |
| 06/25/1998 | DE19729716A1 Heating boiler unit with atmospheric burner |
| 06/24/1998 | EP0849547A2 Fuel-fired heating system |
| 06/10/1998 | EP0846922A2 Heating device for a hot water heating installation |
| 06/09/1998 | CA2141532C Dual drainage slope recuperative heat exchanger assembly for fuel-fired condensing furnaces |
| 05/27/1998 | CN2282666Y Indirect heating fuel oil water-heating boiler |
| 05/22/1998 | WO1998021526A1 Method and heat boiler for optimized combustion |
| 05/12/1998 | US5749355 Multi-position furnace with condensing heat exchanger |
| 05/12/1998 | US5749328 Boiler for heating a working fluid |
| 04/23/1998 | DE19646314C1 Operating method for central heating system with through-circulation water boiler |
| 04/14/1998 | US5738023 For burning fossil fuel; water vapor exchanging system having gas separating membrane facing flue gas for heat exchanging |
| 03/25/1998 | EP0831281A1 Gas-liquid heat exchanger,and water heater having such a heat exchanger |
| 02/03/1998 | CA2125759C Cold spot baffle for coupling box |
| 01/06/1998 | US5704343 Furnace condensate trap |
| 01/02/1998 | DE19726630A1 Gas=powered water heater, for use with different heating systems |
| 01/02/1998 | DE19624933A1 Exhaust heat exchanger, especially for boilers with fume condensers |
| 12/17/1997 | EP0813029A2 Combustion process for a gaseous fuel-air- mixture |
| 12/16/1997 | US5697435 Heat exchanger systems |
| 12/11/1997 | DE19724819A1 Total premix blower-assisted catalyst-coated heater |
| 12/11/1997 | DE19724818A1 Full-mixture blower-assisted catalytic heat producer |
| 12/11/1997 | DE19724807A1 Burner for gas-air mixture |
| 11/27/1997 | DE19620410A1 Aluminium shield pipe for installation in hot gas flues |
| 11/27/1997 | DE19620373A1 Calorific value boiler for heating process water and for space heating |
| 11/18/1997 | US5687678 High efficiency commercial water heater |
| 10/30/1997 | DE19715410A1 Gas-fired heating device |
| 10/16/1997 | DE19614492A1 Heat exchanger |
| 10/15/1997 | EP0801266A2 Cowl for chimney of a heating plant |
| 10/08/1997 | EP0799981A2 Gas turbine heat and power plant |
| 09/03/1997 | EP0793063A1 Heating installation with heat exchanger |
| 08/13/1997 | EP0789203A1 Gas condensing bioler |
| 08/13/1997 | CN2259590Y Sandwich superconducting thermal medium stove core |
| 08/13/1997 | CN2259589Y Secondary separating bridge double runner heat tube waste heat recovering device |
| 08/06/1997 | CN2258971Y Honeycomb water heating device |
| 07/31/1997 | DE19704984A1 Neutralisation unit treats condensate from combustion-heated equipment |
| 07/08/1997 | CA2127923C High efficiency fuel-fired condensing furnace having a compact heat exchanger system |
| 07/01/1997 | US5642724 Fluid mixing systems and gas-fired water heater |
| 07/01/1997 | CA2125092C Multi-poised condensing furnace |
| 06/19/1997 | DE19547054A1 Layer-buffer hot water accumulator with short-circuit chambers |
| 06/10/1997 | US5636786 High efficiency gas furnace |
| 05/28/1997 | DE19543931A1 Low temperature heating boiler serving heat recovery boiler |
| 05/21/1997 | CN2254531Y Efficient hand-operated heat-only boiler |
| 05/07/1997 | EP0772011A1 Heather with premix burner |
| 05/07/1997 | CN2253810Y Inner-tube type full double-stroke counter-flow waste heat boiler |
| 04/30/1997 | DE19608381C1 Central heating boiler, especially condensing boiler |
| 04/29/1997 | US5623988 Polymeric heat exchanger with ceramic material insert |
| 04/29/1997 | US5623918 Method of removing condensate from a high efficiency furnace |
| 04/24/1997 | DE19538536A1 Prefabricated condensation flue for heating system with low flue gas temperature |
| 04/22/1997 | CA2144493C High efficiency fuel-fired condensing furnace having a compact heat exchanger system |
| 04/15/1997 | US5620302 Dynamic condensate evacuator for high efficiency gas furnaces |
| 03/13/1997 | DE19533649A1 Plinth to support inner pipe of chimney, with condensation drain |
| 02/26/1997 | EP0759528A1 Boiler |
| 02/19/1997 | EP0758731A1 Heat exchange system for water heating |
| 02/04/1997 | CA2074559C Plastic secondary heat exchanger apparatus for a high efficiency condensing furnace |
| 01/22/1997 | CN2245753Y Plate-type heat exchanging warming-hot water two-purpose boiler |
| 12/18/1996 | CN2243053Y After-heat boiler |
| 12/11/1996 | CN2242421Y Multi-function water heater heated by steam |
| 12/10/1996 | US5582159 Condensate handlers for multi-poise furnace |
| 11/21/1996 | WO1996036840A1 Chimney system for a condensing boiler |
| 11/21/1996 | DE19518076A1 Schornsteinsystem für einen Brennwertkessel Chimney system for a condensing boiler |
| 11/13/1996 | CN2240124Y Safety energy-saving water-boiling furnace |
| 11/05/1996 | US5570680 Condensing furnace hot air humidification |
| 10/17/1996 | DE19513833A1 Gas-fired infrared radiant heater with condensing heat exchanger |
| 10/16/1996 | CN2237813Y Tubular boiler for boiling water, bathing and heating with honeycomb-type heat exchanger |
| 10/08/1996 | US5562089 Apparatus for burning clean fuel gas |
| 10/02/1996 | CN2236632Y Heat media-heavy oil heating apparatus |
| 10/01/1996 | US5560350 High efficiency, forced hot air heater which humidifies and cleans the air |
| 09/19/1996 | WO1996028627A1 Flue lining with joints |
| 09/19/1996 | DE3490119C2 Closed vessel-type heat exchanger |
| 09/11/1996 | EP0731322A2 Condensing boiler |
| 09/04/1996 | EP0730127A1 Heat exchanger having a universal combustion chamber and condensate discharge |
| 08/22/1996 | DE19505235A1 Heating method for heating circuit with varying return flow temperatures using heat exchanger |
| 08/14/1996 | EP0726431A1 Heat transfer device |
| 08/14/1996 | CN1128854A Hot water heater for warming rooms |
| 08/01/1996 | WO1996023167A1 High efficiency commercial water heater |
| 07/31/1996 | CN1127873A High efficiency gas furnace |
| 07/24/1996 | EP0558672B1 Gas burner system and a method for combustion control |
| 07/18/1996 | DE19601957A1 Gas-fired heat generator with honeycomb catalyst elements in series |
| 07/04/1996 | DE4446938A1 Three=way heat exchanger |
| 07/02/1996 | US5531265 Method of operating heat exchangers |
| 06/19/1996 | EP0717243A1 Neutralisation device |
| 06/19/1996 | CN2229632Y Efficient, Energy-saving water-heating furnace |
| 06/12/1996 | CN2229058Y Multifunctional safety box for gas water heater |
| 05/29/1996 | EP0535106B1 Method of transferring heat from a low to a higher temperature |
| 05/23/1996 | WO1996015410A3 Forced hot air heater which humdifies and cleans the air |
| 05/23/1996 | WO1996015410A2 Forced hot air heater which humdifies and cleans the air |
| 05/23/1996 | DE4441443A1 Chimney condensate collection system |
| 05/22/1996 | EP0713061A1 Boiler for the heating of working fluid |
| 05/17/1996 | CA2162951A1 Boiler for heating a working fluid |
| 05/01/1996 | CN2226250Y Energy saver for gas water heater |
| 04/17/1996 | EP0707181A1 Gas boilers |
| 04/17/1996 | EP0616674B1 Method for regenerative heat exchange |
| 04/16/1996 | CA2001017C Water heater or boiler with improved thermal efficiency |
| 04/10/1996 | EP0706017A1 High efficiency gas furnace |
| 04/08/1996 | CA2155174A1 High efficiency gas furnace |