| Patents for F23L 17 - Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues (1,376) |
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| 12/20/2012 | WO2012173844A1 Variable-volume exhaust system |
| 12/20/2012 | CA2838956A1 Variable-volume exhaust system |
| 12/12/2012 | EP2532960A2 Aerodynamic device for regulating the temperature and pressure in a fluid circulation circuit |
| 12/12/2012 | CN202598579U Electric smoke exhausting machine |
| 12/11/2012 | US8327836 Bicentric direct vent terminal |
| 12/05/2012 | EP2530380A1 Heating installation comprising a wood-burning heater appliance, a building outlet and a connecting conduit |
| 12/05/2012 | CN202581387U Smoke exhaust system of biomass particle combustion furnace |
| 12/04/2012 | CA2498406C Chimney damper |
| 11/29/2012 | WO2012162121A1 Aspirating induction nozzle |
| 11/21/2012 | CN202546805U Self-closing prevention device for outlet air door of boiler induced-draft fan |
| 11/15/2012 | US20120289138 Reversible Draft Controllers And Exhaust Systems Incorporating Same |
| 11/14/2012 | EP2522906A1 Chimney terminal for balanced flue and associated sealed heating device |
| 11/06/2012 | US8302545 Systems for staged combustion of air and fuel |
| 11/01/2012 | US20120272876 Maple syrup evaporator with biomass burner |
| 10/30/2012 | US8298053 Omnidirectional vent cap |
| 10/17/2012 | CN102734829A Back-positioned combustion-air flow field buffering, flow-stabilizing and pressure-stabilizing fume extracting device |
| 09/11/2012 | USRE43653 Aerodynamic suction ventilator |
| 08/01/2012 | CA2736458A1 Unvented gas fireplace |
| 08/01/2012 | CA2730807A1 Unvented gas fireplace |
| 07/31/2012 | US8230849 Wall thimble with outside air inlet |
| 07/25/2012 | CN101696080B Smoke exhaust system of glass melting furnace |
| 07/13/2012 | CA2763995A1 Gas-fired water heater with an exhaust assembly |
| 07/12/2012 | US20120178353 Anticorrosive dust-collecting energy-saving chimney |
| 07/12/2012 | US20120174603 Clean water reclamation from humid air |
| 07/12/2012 | DE10238509B4 Übergangsadapter Transition adapter |
| 07/11/2012 | CN102563685A Selecting method for fan design parameters of thermal power plant |
| 07/10/2012 | CA2763382A1 Gas-fired water heater with an exhaust assembly |
| 07/04/2012 | CN102099624B Device for controlling regenerative burners |
| 07/03/2012 | US8209923 Vent hood and flashing assembly for metal roof |
| 06/27/2012 | EP2469166A1 Combined system for flue gas removal, air supply and ventilation air removal |
| 06/27/2012 | EP2198200B1 Post-combustion device, for filtering and reducing emission of particulate as well as optimizing thermal performance and method of operating such a device |
| 06/14/2012 | WO2012027512A3 Enhanced emission control for outdoor wood-fired boilers |
| 06/13/2012 | CN102498345A Regenerative thermal oxidization system and method for operating same |
| 06/06/2012 | CA2761035A1 Steam generator |
| 05/15/2012 | CA2582103C Flare apparatus |
| 05/09/2012 | CN102449400A Boiler |
| 05/02/2012 | EP2447609A1 Method for operating a fan assisted, atmospheric gas burner |
| 04/19/2012 | WO2012048680A1 Pipe and guiding element for installing in a pipe |
| 04/17/2012 | US8157626 Data center cooling |
| 04/15/2012 | CA2753556A1 Inducer fan assembly for a gas furnace system |
| 04/15/2012 | CA2753253A1 Inducer fan assembly for a furnace |
| 04/11/2012 | DE202012002472U1 Schornsteinaufsatz Chimney cowl |
| 04/05/2012 | US20120083194 Mechanical draft systems |
| 04/05/2012 | CA2753549A1 Method and system for controlling an inducer in a modulating furnace |
| 03/29/2012 | DE102010008514A1 Device for assembling cover at round chimney or fume hood for protecting chimney or hood against e.g. rain, has clamping elements provided with boreholes for passage of threaded bars, and interconnected via threaded bars |
| 03/14/2012 | CN202166076U 一种射吸引风排烟装置 One kind of shot attract wind exhaust means |
| 03/08/2012 | WO2012028266A1 Ammonia/hydrogen plant |
| 03/01/2012 | WO2012027512A2 Enhanced emission control for outdoor wood-fired boilers |
| 01/18/2012 | CN102326032A Device for releasing explosive gas |
| 01/11/2012 | CN102313289A Organic fuel boiler |
| 01/04/2012 | EP2401558A2 Device for releasing an explosive gas |
| 12/28/2011 | CN102297450A 一种射吸引风排烟装置 One kind of shot attract wind exhaust system |
| 12/07/2011 | CN202066184U 高效燃气炉 High efficiency gas furnace |
| 11/16/2011 | CN202040830U Air blowing and inducing fan |
| 11/15/2011 | US8056552 Wall thimble with outside air inlet |
| 11/10/2011 | WO2011138436A1 Chimney system |
| 11/09/2011 | EP2385302A1 Chimney system |
| 10/19/2011 | CN202012941U Rear-mounted gas flow field buffering steady-flow pressure-stabilizing smoke exhaust device |
| 10/19/2011 | CN202012938U Air inducing and blowing device for boiler |
| 10/12/2011 | CN102213448A Fast ignition smoke pumping cylinder device for honeycomb briquette |
| 09/28/2011 | EP2369254A2 Ventilation system |
| 09/28/2011 | EP2369232A1 Device for protecting a smoke exhaust conduit against wind and/or rain, and corresponding cover |
| 09/21/2011 | CN201983289U 煤炉引风排污机 Coal stove Blower sewage machine |
| 09/07/2011 | CN101018947B Exhaust fan assembly, installation method and plenum system used for it |
| 09/01/2011 | WO2011104464A1 Method for treating combustion fumes |
| 08/24/2011 | EP2360433A1 Mechanical assistance device for evacuating gas streams, more particularly intended for a residential unit and method of evacuating exhaust air |
| 08/24/2011 | CN201944875U Novel draught fan system |
| 08/18/2011 | WO2011098092A1 Artificial lung to finish industrial pollution |
| 07/27/2011 | EP1904698B1 Cap device for a chimney |
| 07/21/2011 | US20110174890 Furnace vent termination |
| 07/14/2011 | US20110168065 Burner with split combustion and exhaust induction air paths |
| 06/22/2011 | EP2334986A1 Device for dispersing the gas leaving a chimney |
| 06/15/2011 | CN102099624A Device for controlling regenerative burners |
| 05/26/2011 | WO2010097348A3 Device for releasing an explosive gas |
| 05/12/2011 | WO2011055814A1 Boiler |
| 05/11/2011 | EP2318761A1 Device for controlling regenerative burners |
| 05/04/2011 | CN102042610A Chimney cap |
| 04/21/2011 | US20110092148 Wind-Powered Ventilator That Creates Positive and Negative Pressures |
| 04/20/2011 | CN101586806B High-efficient chamber combustion type boiler |
| 04/13/2011 | CN102012040A Novel induced draft fan configuration scheme |
| 03/31/2011 | WO2011036940A1 Regenerative thermal oxidization system and method for operating same |
| 03/30/2011 | EP2302301A1 Improved system for the circulation of gases for a residential building |
| 03/09/2011 | EP2292975A2 Draught inducing apparatus for wood firing apparatus |
| 03/08/2011 | CA2678121A1 Condensation preventing exhaust and air intake system |
| 02/24/2011 | US20110045416 Compressor and Method for Compressing Gaseous Fuel |
| 01/26/2011 | CN201724246U Smoke ejector |
| 01/25/2011 | US7874898 Cover for outdoor roof opening |
| 12/30/2010 | US20100326338 Device for Gasification and Combustion of Solid Fuel |
| 12/15/2010 | EP2260246A1 Passive heat recovery&ventilation system |
| 11/16/2010 | CA2313363C Acoustic wind band |
| 11/10/2010 | EP2247899A1 Control system for exhaust gas fan system |
| 11/03/2010 | EP2246622A2 Ventilation assembly for assembly on the roof of a building |
| 10/27/2010 | CN201615500U 家用炉子烟管抽风机 Household smoke tube furnace blower |
| 10/20/2010 | EP2241809A1 Roof passage system |
| 09/29/2010 | CN101418812B Wear resistant processing method for surface of long service life and energy-conserving centrifugal type draught fan impeller |
| 09/10/2010 | WO2010101171A1 Furnace for woody bulk fuel and method for controlling combustion of the same, hot air generating device using the furnace and method for utilizing smoke exhaust from furnace for woody bulk fuel |
| 09/08/2010 | CN201575472U Airflow smoke extractor |
| 09/02/2010 | WO2010097348A2 Device for releasing an explosive gas |
| 09/02/2010 | CA2753237A1 Device for discharging an explosive gas |
| 08/25/2010 | EP2221549A1 Device for venting an explosive gas |