| 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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| 03/06/2002 | EP1184628A2 Heat exchanger for a boiler, especially for a condensing boiler |
| 02/28/2002 | DE10051219C1 Heating boiler operating mode switching method uses axial compression or expansion of tubular coil for heat transfer medium for adjusting exhaust gas flow |
| 02/27/2002 | EP1182408A2 Condensing boiler with a heat exchanger having a smoke gas and condensate collector and device for making the smoke gas and condensate collector |
| 01/24/2002 | WO2002006733A1 Device for hot water heating and/or hot water supply |
| 01/23/2002 | CN2473538Y Energy saving device for effectively improving waste heat recovery of water boiler or steam boiler |
| 01/17/2002 | DE10025729A1 A boiler has a modular tubular heat exchanger heated by the down draught of a gas burner. |
| 11/28/2001 | EP1158255A2 Boiler |
| 11/22/2001 | DE10026550C1 Boiler burning liquid or gaseous fuel, contains second heat exchanger and smoke gas collection chamber connected to hot gas channels around burner chamber |
| 11/14/2001 | EP1003996B1 Heating boiler using condensing gas |
| 11/08/2001 | DE10023218A1 Coating a heat exchanger comprises subjecting the heat exchanger to a plasma stream produced from a process gas to which silicon dioxide, aluminum oxide, silicon compounds and/or titanium compounds are added |
| 10/31/2001 | DE10119254A1 Condensate-drain has receptacle with vertical partition between two chambers, condensate pipes, heat exchanger, leakage pipe, safety valve and inflow opening |
| 10/24/2001 | CN2456105Y Energy saving exhaust for gas water heater |
| 10/18/2001 | DE10015645A1 Wärmetauscher für Brennwertgeräte Heat exchanger for condensing boilers |
| 10/04/2001 | EP1139036A2 Heat exchanger for condensing boiler |
| 10/04/2001 | DE10013608A1 Heat exchanger for condensing value gas boiler has exchanger walls with surface structure formed by rows of projecting beads |
| 10/02/2001 | US6296480 Circulating oil heater |
| 09/26/2001 | EP1136764A2 Heat exchanger for gas fired condensing boiler |
| 09/19/2001 | CN2449139Y Stove for heating |
| 09/18/2001 | CA2035629C High-efficiency heating unit |
| 08/22/2001 | CN2444189Y Clausilium type heat energy recover using flue gas cooling |
| 08/16/2001 | EP1124098A1 Channel system, especially for high-energy boilers, method for the treatment of an existing channel system and a channel for discharging combustion gases |
| 07/26/2001 | WO2001053750A1 Water heater with continuously variable air and fuel input |
| 07/19/2001 | WO2001051853A1 Burner having exterior woven layer |
| 07/19/2001 | DE10101115A1 Calorific value measuring device, siphon of which has branch of downstream arm to which condensate removal line is connected |
| 06/13/2001 | CN2434613Y Condensation heat exchanger appts. |
| 05/23/2001 | CN1296156A Combustion device |
| 05/16/2001 | EP1099916A2 Combustion device |
| 02/28/2001 | EP1078207A1 Calorific burner |
| 02/21/2001 | CN1284634A Multifunctional large heat energy system with less enviromental pollution |
| 12/27/2000 | EP1063480A2 Combustion Device |
| 12/27/2000 | EP1063472A1 A method and an installation for cooling flue gases in the combustion of hydrogenous or moisture-containing fuels |
| 12/20/2000 | EP1061312A2 Procedure for operating a condensing boiler with a drain for the condensate |
| 11/30/2000 | DE19924758A1 Consumable water heater has controller that reduces thermal energy supply to consumable water and delivery power of heating pump for low thermal demand |
| 11/23/2000 | DE19923546A1 Method of operating condensing heater involves siphon filled with exhaust gas, condensate drain, heat exchanger unit and burner |
| 11/02/2000 | DE19912581A1 Heizgerät mit einem durch ein Brennstoff-Luftgemisch gespeisten Brenner A heater powered by a fuel-air mixture burner |
| 11/02/2000 | DE19912580A1 Heizgerät mit einem durch ein Brennstoff-Luftgemisch gespeisten Brenner A heater powered by a fuel-air mixture burner |
| 09/28/2000 | DE19912572A1 Kompaktheizkessel, insbesondere zur Verwendung als Brennwertheizkessel Compact boiler, particularly for use as condensing boilers |
| 09/28/2000 | DE19912569A1 Heat generator for heating and producing hot water has calorific value boiler forming complete unit with reservoir, heat exchanger, control and regulating devices, connecting pipelines |
| 09/27/2000 | EP1039248A2 Heater with a premix burner |
| 09/27/2000 | EP1039247A2 Heater with a premix burner |
| 09/27/2000 | EP1039246A2 Compact boiler |
| 08/10/2000 | DE19906406C1 Heater for building with burner fed with fuel-air mixture, has combustion chamber and heat transmitter between combustion chamber and exhaust gas chamber |
| 08/09/2000 | EP1026454A2 Heat exchanger apparatus |
| 07/20/2000 | WO2000042361A1 Calorific burner |
| 06/15/2000 | DE19855772A1 High pressure cleaning rig for washing of tanks, vehicles, machines and suchlike has exhaust gas cooler as heat exchanger installed in exhaust gas flow of throughflow hot water apparatus and connected to inlet of water tank |
| 05/31/2000 | EP1003996A1 Heating boiler using condensing gas and method for producing same |
| 03/22/2000 | EP0986721A1 Method and heat boiler for optimized combustion |
| 03/21/2000 | CA2073337C Method and device in closed heating plants |
| 03/02/2000 | DE19841193A1 Operating a heating system comprises removing more heat from the heat storage than heat released at the heat sink |
| 02/17/2000 | DE19818521C2 Anordnung zum Anschluß eines Brennwertgeräts an ein Kaminrohr Arrangement for connecting a condensing unit to a chimney pipe |
| 02/09/2000 | CN2363243Y External heat-absorption type hot air supply energy-saving smoke duct |
| 01/27/2000 | DE19930244A1 Heating shaft with burner at lowest point, heat exchanger of ribbed pipes, and exhaust pipe for gases burnt. |
| 01/20/2000 | DE19830457A1 Exhaust pipe carrying fitting for chimney with mantel block, with bridge carrier between bottom mantle block and next one up |
| 01/13/2000 | WO2000001864A1 Device for protecting metallic surfaces such as gas burners against corrosion and/or scale formation |
| 01/12/2000 | CN2358398Y Superconducting energy-saving hot-water boiler |
| 12/28/1999 | US6006741 Secondary heat exchanger for condensing furnace |
| 12/23/1999 | DE19826094A1 Heizkessel Boiler |
| 12/22/1999 | EP0965802A2 Condensing boiler |
| 12/21/1999 | CA2073106C High efficiency heat exchanger |
| 11/18/1999 | DE19821425A1 Method for placing into service low temperature and calorific value heating boiler |
| 11/04/1999 | DE19818521A1 Connecting device to connect heat recovery apparatus to flue |
| 11/03/1999 | CN2347114Y 真空相变热水锅炉 Vacuum phase transition hot water boiler |
| 11/03/1999 | CN2347113Y Standard heat utilizing water heating cylinder |
| 10/28/1999 | DE19818010A1 Convection section for flame tube boiler or some other liquid heater |
| 10/28/1999 | DE19816415A1 Blockheizkraftwerk CHP |
| 10/27/1999 | EP0952406A2 Heating and power unit |
| 10/27/1999 | CN2345911Y 烟道节能器 Flue economizer |
| 10/19/1999 | US5967137 High efficiency direct-contact high temperature water heater |
| 10/14/1999 | DE19815521A1 Heat recovery system for building heating |
| 09/29/1999 | EP0945688A2 Heating appliance |
| 09/16/1999 | DE19810002A1 Directly fired heating unit for producing hot air for first heat user and hot water for second heat user |
| 09/09/1999 | DE19809024A1 Device for preparing hot water |
| 09/01/1999 | EP0939284A2 Water heater |
| 09/01/1999 | CN2336279Y Energy economizer for small vertical boiler |
| 08/25/1999 | EP0937952A2 Heat exchanger |
| 08/25/1999 | EP0937788A2 Apparatus for protection of metal surfaces ,for example gas burners, against corrosion and/or calcification |
| 08/25/1999 | CN2335092Y Vacuum heating furnace |
| 08/19/1999 | DE19908768A1 Heating apparatus for connecting to standard flue |
| 08/04/1999 | EP0657015B2 Chimney base |
| 08/04/1999 | CN2331914Y Heat-storage pipe-type air preheater |
| 06/24/1999 | DE19757069A1 Boiler flue gas condensate level evaluation method |
| 06/17/1999 | DE19754581A1 Temperature controller for flue gases leaving heater |
| 05/20/1999 | DE19801066C1 Heating system has its gas water condensate acidity minimised by monitoring the gas temperature |
| 04/08/1999 | DE19743589A1 Flue gas heat exchanger, particularly calorific value boiler |
| 04/08/1999 | DE19743588A1 Flue gas heat exchanger, particularly calorific value heating boiler |
| 03/31/1999 | EP0905457A2 Improved condensation premixing boiler for sanitary water and heating system |
| 03/18/1999 | DE19829668A1 Arrangement for protecting metal surfaces against corrosion and/or calcining |
| 02/24/1999 | EP0898125A1 Air heating apparatus with cast heat exchanger |
| 02/18/1999 | WO1999008049A1 Heating boiler using condensing gas and method for producing same |
| 02/03/1999 | CN2306452Y Dual-purpose heat-tube heat exchanger |
| 01/28/1999 | DE19731794A1 Domestic water heating and storage system |
| 01/13/1999 | CN1204754A High efficiency direct-contact high temperature water heater |
| 01/07/1999 | EP0889288A1 Burner, particularly gas burner |
| 12/02/1998 | CN2299280Y Waste hat recovering device for gas water heater |
| 11/25/1998 | EP0879998A2 Gas preheater |
| 10/15/1998 | DE19714378A1 Heating boiler with waste gas condensation, and combustion chamber |
| 10/14/1998 | CN2294426Y Automatic water heater of gas range |
| 10/08/1998 | DE19713944A1 Method of lowering backflow temperature of heaters with buffer storage |
| 09/30/1998 | EP0867668A2 Gas-fired direct contact water heater |
| 09/26/1998 | CA2233053A1 High efficiency hydronic heating system |