| Patents for F23L 11 - Arrangements of valves or dampers after the fire (437) |
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| 09/18/2014 | WO2014141937A1 Opening/closing device for high-temperature gas passage |
| 06/05/2014 | US20140150770 Self-powered damper system |
| 05/30/2014 | CA2835379A1 Self-powered damper system |
| 05/21/2014 | EP2732138A1 Improved diverter damper |
| 05/20/2014 | CA2834067A1 Stovepipe damper system |
| 04/17/2014 | WO2014056485A1 Compressed gas generator |
| 02/27/2014 | WO2014030971A1 Exhaust gas treatment apparatus |
| 02/13/2014 | US20140041648 Stack apparatus to control furnace gas exit velocity |
| 02/05/2014 | CN203421714U Energy-saving stove ventilation mechanism |
| 01/30/2014 | US20140027660 Low leakage flue damper |
| 01/24/2014 | CA2821650A1 Low leakage flue damper |
| 01/23/2014 | US20140020674 Chimney blocking apparatus |
| 09/10/2013 | US8529323 Method and arrangement for controlling the draft effect of a flue duct upon an upstream exhaust gas cleaning system |
| 08/28/2013 | EP2631554A2 Flow channel, in particular discharge channel, provided with a water seal, as well as a water seal for such a flow channel |
| 08/07/2013 | EP2622279A2 A draft excluder |
| 08/06/2013 | CA2583512C A method and apparatus for monitoring and controlling the stability of a burner of a fired heater |
| 06/19/2013 | EP2604921A1 Auxiliary ventilation device for an exhaust gas line of a fireplace and an exhaust gas line provided with such an auxiliary ventilation device, in particular an external exhaust gas line |
| 06/19/2013 | EP2604920A2 Adjustable flue damper |
| 05/01/2013 | CN103075742A Spiral regulating valve device for air door of fluidized bed furnace |
| 04/18/2013 | US20130092105 Flue having an adjustable flue gas flow unit |
| 04/03/2013 | EP2574842A2 Check valve for exhaust lines |
| 03/21/2013 | DE102011083127A1 Shut-off device for pipe i.e. exhaust gas pipe, of heat-producing appliance i.e. oven, has fastening clamp for supporting bearings and for outwardly enclosing more than half of circumference of pipe when device is mounted at pipe |
| 03/07/2013 | WO2011128711A3 Gas consumption reducing device for independent gas-fired heaters, primarily for gas convectors |
| 01/17/2013 | WO2013009177A1 Improved diverter damper |
| 11/14/2012 | CN202533019U Opening degree indicating device and combustor air door |
| 11/08/2012 | US20120282557 Integrated damper control system |
| 11/03/2012 | CA2775871A1 Integrated damper control system |
| 08/25/2012 | CA2755021A1 Baffle for a fireplace |
| 07/28/2012 | CA2765514A1 Water heater with counter-twisted baffle |
| 07/11/2012 | CN202328789U 多晶硅系统导热油加热炉排气管 HTF polysilicon furnace exhaust pipe system |
| 06/30/2012 | CA2726947A1 Automated damper system for smoke ducts to optimize the evacuation of combustion gases and method |
| 06/21/2012 | WO2012081795A1 Gas boiler having freely controllable output and method for controlling the output of the gas boiler |
| 06/07/2012 | WO2012042514A3 A draft excluder |
| 06/06/2012 | EP2461099A1 Check valve for an exhaust gas line |
| 05/16/2012 | CA2757724A1 Vent proving system |
| 03/21/2012 | EP2430366A2 Fume-discharge device for boilers |
| 02/29/2012 | EP2423592A2 Gas device, gaseous medium transport device and associated seal device and method for avoiding gas backflows |
| 02/15/2012 | EP2418426A1 Fireplace insert and fireplace stove with device for increase of heat efficiency and reduction of emissions |
| 02/14/2012 | US8113823 Apparatus and method for controlling a damper in a gas-fired appliance |
| 12/30/2011 | CA2708756A1 Method and kit for passively equalizing air pressures within a house and/or air pressure inside a house with air pressure outside a house |
| 09/01/2011 | WO2011104464A1 Method for treating combustion fumes |
| 08/24/2011 | CN201944827U 一种烟煤燃烧锅炉的热风净化装置 A bituminous coal combustion boiler hot air purification device |
| 07/13/2011 | EP2343482A1 Heating device equipped with fuel regulation |
| 03/30/2011 | EP2302306A2 Louvre damper system |
| 03/03/2011 | US20110054711 Damper control system |
| 02/10/2011 | WO2010031818A3 Improved firebacks |
| 01/26/2011 | CN201724252U High-efficiency and environmentally-friendly energy-saving furnace |
| 01/06/2011 | WO2010131282A3 Fume-discharge device for boilers |
| 11/18/2010 | WO2010131282A2 Fume-discharge device for boilers |
| 11/17/2010 | EP2251603A2 Blocking system for large sections of piping with a swinging flap |
| 07/21/2010 | CN201531898U Central tube flue gas double valve flap regulation valve |
| 07/01/2010 | WO2010053359A3 Fireplace, and method for operating such a fireplace |
| 04/30/2010 | CA2683388A1 Energy efficient induced air gas water heater |
| 04/01/2010 | DE10359551B4 Rückstromsicherungsventil für Abgasanlagen Reverse current flow valve for exhaust systems |
| 03/25/2010 | WO2010031818A2 Improved firebacks |
| 03/10/2010 | EP2161499A2 Throttle device for a fireplace |
| 03/09/2010 | CA2677549A1 Thermal switch for energy sustaining water heater |
| 03/04/2010 | DE102008045548A1 Drosseleinrichtung für eine Feuerstätte Throttling device for a fireplace |
| 12/23/2009 | CN201368468Y Air-door baffle plate support assembly of heat-engine plant boiler system |
| 11/19/2009 | DE102006050213B4 Absperrklappe insbesondere zur Verwendung in einer Vorrichtung zur Abgasreinigung Butterfly valve in particular for use in an apparatus for purifying exhaust gas |
| 09/30/2009 | EP2104805A1 An oven |
| 09/24/2009 | US20090235916 Non-return valve for an exhaust duct of flue gasses |
| 09/23/2009 | EP2103875A1 Non-return valve for a exhaust duct of flue gases of a boiler |
| 09/15/2009 | US7588028 Biomass burner |
| 08/13/2009 | WO2009042058A3 Flue tuning and emissions saving system |
| 08/13/2009 | DE102009003461A1 Abgaskamine und Energieerzeugungssysteme zur Steigerung der Energieabgabe von Gasturbinen Exhaust stacks and power generation systems to increase energy distribution of gas turbines |
| 08/11/2009 | CA2406599C Biomass burner |
| 08/05/2009 | EP2084458A1 Shut-off flap, in particular for use in a device for exhaust-gas purification |
| 06/24/2009 | EP1597448B1 A method for assembling chimney with mineral aggregate frame to a residential building and a chimney |
| 04/30/2009 | WO2009053527A1 Method for lighting fire in cold fireplace and device for implementing it |
| 01/06/2009 | US7472699 Damper regulator assembly |
| 12/03/2008 | CN201159472Y Energy-saving discharge-reducing chain boiler equipment |
| 11/20/2008 | US20080283039 Overfire air tube damper for boiler and method for regulating overfire air |
| 11/18/2008 | US7451759 Wireless fireplace damper control device |
| 10/22/2008 | EP1983258A2 Wood fired boiler |
| 10/08/2008 | EP1978304A2 Blocking system for large sections of piping with a swinging flap |
| 09/17/2008 | CN201116733Y Automatic air intake door |
| 08/27/2008 | EP1962017A2 Device for avoiding exhaust gas return flow in a boiler |
| 07/03/2008 | WO2008077967A1 An oven |
| 06/18/2008 | EP1933090A1 See-through stove provided with a damper |
| 05/21/2008 | EP1682821B8 Method and device for controlling a chimney draught in an upstream connected exhaust gas cleaning system |
| 05/21/2008 | DE102006050213A1 Absperrklappe insbesondere zur Verwendung in einer Vorrichtung zur Abgasreinigung Butterfly valve in particular for use in an apparatus for purifying exhaust gas |
| 05/02/2008 | WO2008049496A1 Shut-off flap, in particular for use in a device for exhaust-gas purification |
| 04/30/2008 | DE202006019172U1 Klappeneinheit und Brennwertgerät mit einer Klappeneinheit, zur Stabilisierung eines Abgas- oder Luftvolumenstromes Door unit and condensing unit with a door unit, for stabilizing an exhaust or air volume flow |
| 04/09/2008 | CN100380048C Biomass burner |
| 03/12/2008 | EP1682821B1 Method and device for controlling a chimney draught in an upstream connected exhaust gas cleaning system |
| 12/21/2007 | WO2007146556A2 Damper regulator assembly |
| 12/20/2007 | US20070289588 Damper regulator assembly |
| 11/22/2007 | DE202007006657U1 Verschlußklappe für Ofenrohre Flap for furnace tubes |
| 10/03/2007 | CN200955756Y Residual heat utilizing device for gas furnace |
| 08/29/2007 | EP1826487A2 Flue gas discharge device for boilers |
| 06/27/2007 | EP1800058A1 A method and apparatus for monitoring and controlling the stability of a burner of a fired heater |
| 05/30/2007 | CN2906354Y Hot air isolating door with two insertion boards |
| 03/01/2007 | US20070044791 Plate link chain having inner and outer plate members comprised of individual plates |
| 01/24/2007 | EP1745246A2 Millivolt damper control device |
| 11/30/2006 | DE19606403B4 Anordnung zum Anschluß einer Verbrennungseinrichtung an ein Kaminrohr Arrangement for connecting a combustion device to a chimney pipe |
| 10/18/2006 | EP1281025B1 Biomass burner |
| 09/28/2006 | US20060213501 Ventilator assembly and method of installing same |
| 07/26/2006 | EP1682821A1 Method and device for controlling a chimney draught in an upstream connected exhaust gas cleaning system |
| 04/27/2006 | WO2006044408A1 A method and apparatus for monitoring and controlling the stability of a burner of a fired heater |