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Class Information
Number: 431/76
Name: Combustion > Timer, programmer, retarder or condition responsive control > By combustion or combustion zone sensor > Combustion product composition sensor
Description: Apparatus in which the control is by a means analyzing the composition of or responding to the relative quantity of a material formed in the combustion area, e.g., carbon or CO2










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8662885 Method and apparatus for emissions detection in a combustion appliance Mar. 4, 2014
8500442 Combustion gas analysis Aug. 6, 2013
8453585 Oxy-combustion coal fired boiler and method of transitioning between air and oxygen firing Jun. 4, 2013
8403661 Dual fuel heater Mar. 26, 2013
8317511 Control valves for heaters and fireplace devices Nov. 27, 2012
8153952 Flame scanning device and method for its operation Apr. 10, 2012
8113822 Combustion method and combustion apparatus Feb. 14, 2012
8109759 Assured compliance mode of operating a combustion system Feb. 7, 2012
8083518 Combustion method and combustion apparatus Dec. 27, 2011
8070482 Combustion control system of detection and analysis of gas or fuel oil flames using optical devices Dec. 6, 2011
8066508 Adaptive spark ignition and flame sensing signal generation system Nov. 29, 2011
8057219 Dual fuel vent free gas heater Nov. 15, 2011
7952064 Device and method for processing and/or analyzing image information representing radiation May. 31, 2011
7878795 Burner ignition controller Feb. 1, 2011
7854607 Ignition control with integral carbon monoxide sensor Dec. 21, 2010
7695273 Lockout algorithm for a furnace including a pollutant sensor Apr. 13, 2010
7677236 Heater configured to operate with a first or second fuel Mar. 16, 2010
7654820 Control valves for heaters and fireplace devices Feb. 2, 2010
7581945 System, method, and article of manufacture for adjusting CO emission levels at predetermined locations in a boiler system Sep. 1, 2009
7581946 Ignition control with integral carbon monoxide sensor Sep. 1, 2009
7520744 Monitoring device with scraper unit Apr. 21, 2009
7371065 Apparatus and method for the controlled production of nano-soot particles May. 13, 2008
7318381 Methods and systems for determining and controlling the percent stoichiometric oxidant in an incinerator Jan. 15, 2008
7300278 Gas fired portable unvented infrared heater Nov. 27, 2007
7280891 Signal processing technique for improved flame scanner discrimination Oct. 9, 2007
7217121 Method and apparatus for improved process control in combustion applications May. 15, 2007
7161678 Systems and methods for determining the existence of a visible plume from the chimney of a facility burning carbon-based fuels Jan. 9, 2007
7112059 Apparatus and method for shutting down fuel fired appliance Sep. 26, 2006
7104460 Method and controller for determining carbon dioxide emissions from a recirculating air heater Sep. 12, 2006
7083408 Apparatus and method for shutting down a fuel fired appliance Aug. 1, 2006
7051683 Gas heating device control May. 30, 2006
7021925 Safety module for fuel-burning appliance, and appliance using such a module Apr. 4, 2006
6908300 Apparatus and method for shutting down a fuel fired appliance Jun. 21, 2005
6783354 Low NOX combustor for a gas turbine Aug. 31, 2004
6780378 Method for measuring concentrations of gases and vapors using controlled flames Aug. 24, 2004
6776125 Methods of operating a fuel-fired heating apparatus Aug. 17, 2004
6766771 Fuel-fired water heater with dual function combustion cutoff switch in its draft structure Jul. 27, 2004
6752621 Method for setting the performance of gas-operated cooking devices as well as a cooking device using this method Jun. 22, 2004
6745708 Method and apparatus for improving the efficiency of a combustion device Jun. 8, 2004
6648627 Gas appliance with a burner in the lower part, equipped with safety means, and resulting water heater Nov. 18, 2003
6565352 Smoke density monitor May. 20, 2003
6551094 Method and device for determining a soot charge in a combustion chamber Apr. 22, 2003
6547554 Combustion system, a method of adapting the performance of the combustion system and a cooking device utilizing the combustion system Apr. 15, 2003
6468069 Automatically optimized combustion control Oct. 22, 2002
6435113 Incineration apparatus and method which suppress generation of dioxins Aug. 20, 2002
6389330 Combustion diagnostics method and system May. 14, 2002
6356199 Diagnostic ionic flame monitor Mar. 12, 2002
6277268 System and method for monitoring gaseous combustibles in fossil combustors Aug. 21, 2001
6250913 Burner Jun. 26, 2001
6247918 Flame monitoring methods and apparatus Jun. 19, 2001

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