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Class Information
Number: 431/2
Name: Combustion > Process of combustion or burner operation
Description: Processes pertaining to: burning fuel, operating a burner, or starting combustion.










Sub-classes under this class:

Class Number Class Name Patents
431/5 Burning waste gas, e.g., furnace gas, etc. 430
431/12 Controlling or proportioning feed 629
431/3 Decarbonizing, cleaning or purging 107
431/4 Feeding flame modifying additive 299
431/8 Flame shaping, or distributing components in combustion zone 501
431/11 Heating feed 274
431/7 In a porous body or bed, e.g., surface combustion, etc. 476
431/6 Starting or shutdown procedure 177


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8703081 Sorbents for coal combustion Apr. 22, 2014
8695515 Rotary kilns for alternative fuels Apr. 15, 2014
8672670 System and method for controlling a furnace Mar. 18, 2014
8668488 Process for the combustion of a liquid Mar. 11, 2014
8647111 Gas combustion apparatus Feb. 11, 2014
8636501 Method for regulating and controlling a firing device and firing device Jan. 28, 2014
8632621 Method for melting a solid charge Jan. 21, 2014
8632741 Exhaust catalyst pre-heating system and method Jan. 21, 2014
8622735 Boost devices and methods of using them Jan. 7, 2014
8602772 Assisted commissioning method for combustion control system Dec. 10, 2013
8580214 Emission control system Nov. 12, 2013
8574324 Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels Nov. 5, 2013
8567214 Method for producing glass body and method for producing optical member for EUV lithography Oct. 29, 2013
8550810 Method of controlling a boiler plant during switchover from air-combustion to oxygen-combustion Oct. 8, 2013
8545778 Sorbents for coal combustion Oct. 1, 2013
8545216 Valve assemblies for heating devices Oct. 1, 2013
8529246 Device and method for maintaining and operating a flame Sep. 10, 2013
8523559 Heat retaining hood assemblies, air curtain destructors with heat retaining hood assemblies, and methods for using the same Sep. 3, 2013
8517718 Dual fuel heating source Aug. 27, 2013
8500441 Method for regulating and controlling a firing device and a firing device Aug. 6, 2013
8501128 Reducing mercury emissions from the burning of coal Aug. 6, 2013
8475160 Low emissions combustion apparatus and method Jul. 2, 2013
8464704 Combustion apparatus for solid fuel Jun. 18, 2013
8459986 Oxygen to expand burner combustion capability Jun. 11, 2013
8455056 Rapidly-mixing high velocity flame torch and method Jun. 4, 2013
8454351 Staged combustion method using a preheated oxidant Jun. 4, 2013
8454349 Removable light-off port plug for use in burners Jun. 4, 2013
8453585 Oxy-combustion coal fired boiler and method of transitioning between air and oxygen firing Jun. 4, 2013
8439667 Oxygen trim controller tuning during combustion system commissioning May. 14, 2013
8431105 Method for producing process gas for the claus process Apr. 30, 2013
8414288 Combustion system and method Apr. 9, 2013
8408896 Method, system and apparatus for firing control Apr. 2, 2013
8316647 System and method employing catalytic reactor coatings Nov. 27, 2012
8313323 Sorbents for coal combustion Nov. 20, 2012
8282390 Rotary valve arranged in multi-gas cooker Oct. 9, 2012
8262385 Aqueous dispersions of heavy oil residues Sep. 11, 2012
8246751 Pulsed detonation cleaning systems and methods Aug. 21, 2012
8246924 Combustion process for the manufacture of calcium phosphate and calcium phosphate composite particles Aug. 21, 2012
8226913 Reducing mercury emissions from the burning of coal Jul. 24, 2012
8221115 Fuel combustion Jul. 17, 2012
8202084 Method for preventing coagulation in exhaust pipe of boiler Jun. 19, 2012
8202083 Process and installation for increasing the burning energy produced by a natural fuel gas Jun. 19, 2012
8177544 Selective lockout in a fuel-fired appliance May. 15, 2012
8177547 Method for starting a burner May. 15, 2012
8163062 Method for operating a hearth furnace Apr. 24, 2012
8136740 Thermodynamic cycles using thermal diluent Mar. 20, 2012
8114368 Sorbents for coal combustion Feb. 14, 2012
8092212 Rotary valve arranged in multi-gas cooker Jan. 10, 2012
8075305 Dual fuel gas-liquid burner Dec. 13, 2011
8016591 Fire lighter Sep. 13, 2011

1 2 3 4 5 6 7 8










 
 
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