ClassID:

155975

F23C6/045 - CPC Classification

Classification description:

Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure

Sub-classes:
Recent Application in this class:
#1
20250347417
2025-11-13

SUPER COMPACT COMBUSTOR

#2
20250027643
2025-01-23

HEATER WITH REMOTE COMBUSTION AIR ADDITION

#3
20240410569
2024-12-12

Biomass Fuel Burning Furnace

#4
20240344693
2024-10-17

Burner Device with Primary Air Chamber, Staged Air Chamber, and Tertiary Air Chamber

#5
20230288058
2023-09-14

PROCESSES AND APPARATUSES FOR BURNING A HYDROGEN FUEL AND A HYDROCARBON FUEL

#6
20230049414
2023-02-16

OXY FLAT FLAME BURNER AND BLOCK ASSEMBLY

#7
20230047390
2023-02-16

Atmosphere-adjustable multi-staged swirl ammonia burner

#8
20220316700
2022-10-06

Low NOx burner with bypass conduit

#9
20210180250
2021-06-17

Method and apparatus for burning odor gas

#10
20210122659
2021-04-29

System and method for synchronized oxy-fuel boosting of a regenerative glass melting furnace

#11
20210116125
2021-04-22

Multi-burner rotary furnace melting system and method

#12
20210063013
2021-03-04

Regenerative burner for strongly reduced NOx emissions

#13
20200064021
2020-02-27

Gas fired process heater with ultra-low pollutant emissions

#14
20190309941
2019-10-10

High turndown ratio gaseous fuel burner nozzle and control

#15
20180209640
2018-07-26

Combustion apparatus

#16
20180156451
2018-06-07

Hydrogen gas burner structure and hydrogen gas burner device including the same

#17
20170363284
2017-12-21

Radiant boiler for pressurized oxy-combustion and method of radiant trapping to control heat flux in high temperature particle-laden flows at elevated pressure

#18
20170343212
2017-11-30

Pulverized fuel-oxygen burner

#19
20170336068
2017-11-23

Low NOburner for ethylene cracking furnaces and other heating applications

#20
20170284659
2017-10-05

Low-NO-burner

#21
20170276344
2017-09-28

Low-NO-burner

#22
20170198905
2017-07-13

Oxygen-fuel burner with cavity-actuated mixing

#23
20170198904
2017-07-13

Solid fuel burner and method of operating

#24
20170045218
2017-02-16

System and method for providing combustion in a boiler

#25
20160312999
2016-10-27

Rich-lean burner

#26
20160245505
2016-08-25

Apparatus for burning pulverized solid fuels with oxygen

#27
20160238241
2016-08-18

Lean gas burner

#28
20160223203
2016-08-04

Regenerative burner for non-symmetrical combustion

#29
20160201898
2016-07-14

Method for distributing gas for oxy-fuel combustion in circulating fluidized bed

#30
20160169511
2016-06-16

Pulverized fuel-oxygen burner

#31
20160146463
2016-05-26

Combustion device

#32
20160123597
2016-05-05

Combustor arrangement for a gas turbine

#33
20160010853
2016-01-14

Combustion burner and boiler including the same

#34
20150354811
2015-12-10

Non-symmetrical low NOburner apparatus and method

#35
20150285494
2015-10-08

Powdered fuel conversion systems

#36
20150226422
2015-08-13

Fuel combustion system

#37
20150152761
2015-06-04

Burner for exhaust gas purification devices

#38
20150079526
2015-03-19

Oxy-fired boiler unit and method of operating the same

#39
20150068438
2015-03-12

Biomass-mixed, pulverized coal-fired burner and fuel combustion method

#40
20150053124
2015-02-26

Biomass-mixed, pulverized coal-fired burner and fuel combustion method

#41
20150000572
2015-01-01

Precombustor system and method for combustion for biomass

#42
20140124604
2014-05-08

Annular injector assembly and methods of assembling same

#43
20140093831
2014-04-03

Perforated flame tube for liquid fuel burner

#44
20140041559
2014-02-13

Furnace heating combustion apparatus

#45
20140011141
2014-01-09

Combustion burner, solid-fuel-combustion burner, solid-fuel-combustion boiler, boiler, and method for operating boiler

#46
20130309617
2013-11-21

Burner combustion method

#47
20130305968
2013-11-21

Burner device for high-temperature air combustion

#48
20130269577
2013-10-17

Apparatus for burning pulverized solid fuels with oxygen

#49
20130220189
2013-08-29

Combustor assembly and method therefor

#50
20130206129
2013-08-15

Low emission woodstove

#51
20120259147
2012-10-11

Hydrocabon cracking furnace with steam addition to lower mono-nitrogen oxide emissions

#52
20120247376
2012-10-04

Combustion burner and boiler including the same

#53
20120244479
2012-09-27

Combustion System Using Recycled Flue Gas to Boost Overfire Air

#54
20120192773
2012-08-02

METHODS AND APPARATUS FOR CARBON DIOXIDE-OXYGEN-COAL COMBUSTION

#55
20120174838
2012-07-12

Combustion Apparatus

#56
20120174837
2012-07-12

TILTABLE NOZZLE ASSEMBLY FOR AN OVERFIRE AIR PORT IN A COAL BURNING POWER PLANT

#57
20120152158
2012-06-21

Solid-fuel-fired burner and solid-fuel-fired boiler

#58
20120148961
2012-06-14

Method and arrangement for optimising combustion conditions in a fluidised-bed boiler

#59
20120037732
2012-02-16

Annular injector assembly and methods of assembling the same

#60
20120024206
2012-02-02

METHOD FOR REDUCING NITROGEN OXIDE EMISSIONS IN OXYFUEL COMBUSTION

#61
20120023952
2012-02-02

Fuel nozzle and assembly and gas turbine comprising the same

#62
20120006157
2012-01-12

Method for melting a solid charge

#63
20110302901
2011-12-15

ZONAL MAPPING FOR COMBUSTION OPTIMIZATION

#64
20110253066
2011-10-20

W-STAGED FLAME BOILER FOR MULTI-STAGE COMBUSTION WITH MULTI-EJECTION AND ITS METHOD THEREOF

#65
20110197829
2011-08-18

Upside-down type low NOx boiler

#66
20110185954
2011-08-04

OXYCOMBUSTION CHAMBER

#67
20110104625
2011-05-05

Power supply for hot oxygen burner

#68
20110079016
2011-04-07

Two stage combustor with reformer

#69
20110053105
2011-03-03

BUNSEN BURNER USING LEAN-RICH COMBUSTION TYPE

#70
20100313604
2010-12-16

Furnace and process for controlling the oxidative state of molten materials

#71
20100279239
2010-11-04

BOILER STRUCTURE

#72
20100239989
2010-09-23

Method for homogenizing the heat distribution as well as decreasing the amount of NO

#73
20100212556
2010-08-26

Systems for staged combustion of air and fuel

#74
20100203461
2010-08-12

COMBUSTION SYSTEMS AND PROCESSES FOR BURNING FOSSIL FUEL WITH REDUCED EMISSIONS

#75
20100183989
2010-07-22

Air-Gas Pilot Burner that can Operate with Oxygen

#76
20100116183
2010-05-13

USE OF HYDROCARBON EMULSIONS AS A REBURN FUEL TO REDUCE NOX EMISSIONS

#77
20100094071
2010-04-15

Method for providing an oxygen-containing gas stream for the endothermic reaction of an initial stream comprising one or more hydrocarbons

#78
20100068665
2010-03-18

Staged combustion method for producing asymmetric flames

#79
20100035193
2010-02-11

Method and system for fuel gas combustion, and burner for use therein

#80
20100015562
2010-01-21

Perforated flame tube for a liquid fuel burner

#81
20100009306
2010-01-14

BURNER

#82
20090320726
2009-12-31

Three phased combustion system

#83
20090311640
2009-12-17

Heating method

#84
20090274985
2009-11-05

Powdered fuel conversion systems and methods

#85
20090239182
2009-09-24

Combustion method with cyclic supply of oxidant

#86
20090181333
2009-07-16

Three stage low NOburner system with controlled stage air separation

#87
20090148797
2009-06-11

Method for Carrying Out combined Burning in a Recovering Furnace

#88
20090087802
2009-04-02

Removable light-off port plug for use in burners

#89
20090031934
2009-02-05

Biomass energy recovery apparatus

#90
20090004611
2009-01-01

LOW VELOCITY STAGED COMBUSTION FOR FURNACE ATMOSPHERE CONTROL

#91
20090000532
2009-01-01

Pulverized coal burner for firing fuel which is fed by dense phase conveyance

#92
20080286704
2008-11-20

Method of burning a nitrogen-containing fuel

#93
20080233525
2008-09-25

Turbine engine having folded annular jet combustor

#94
20080227040
2008-09-18

Method and Installation for Unsupported Lean Fuel Gas Combustion, Using a Burner and Related Burner

#95
20080184919
2008-08-07

Pulverized solid fuel burner

#96
20080160467
2008-07-03

Combustion Apparatus

#97
20080096146
2008-04-24

Low NOx staged fuel injection burner for creating plug flow

#98
20070295249
2007-12-27

Method for reducing nitrogen oxide emissions of a recovery boiler, and a recovery boiler

#99
20070287107
2007-12-13

Staged combustion method using a preheated oxidant

#100
20070272201
2007-11-29

Combustion Apparatus and Combustion Method

#101
20070264172
2007-11-15

DEVICE FOR PRODUCING SOOT

#102
20070261617
2007-11-15

Incinerator with a flue gas guiding mechanism

#103
20070231231
2007-10-04

Method for reducing nitrogen oxide emissions

#104
20070215022
2007-09-20

Low NOx combustion

#105
20070172781
2007-07-26

Staged combustion method with optimized injection of primary oxidant

#106
20070172780
2007-07-26

Method pertaining to combustion, and a burner

#107
20070079736
2007-04-12

Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus

#108
20070026356
2007-02-01

Burner and combustion method for solid fuels

#109
20070009413
2007-01-11

Method for flue-gas reduction of pollutants in combustion processes

#110
20060272453
2006-12-07

Flex-flame burner and combustion method

#111
20060246387
2006-11-02

Low NOx burner having split air flow

#112
20060242903
2006-11-02

Apparatus for use for methane oxidation

#113
20060230996
2006-10-19

Method of operating furnace to reduce emissions

#114
20060160040
2006-07-20

Process for the oxycombustion of a liquid fuel

#115
20060147854
2006-07-06

Combustion method and burner head, burner comprising one such burner head, and boiler comprising one such burner head

#116
20060090677
2006-05-04

After-air nozzle for two-stage combustion boiler, and a two-stage combustion boiler, boiler and combustion method using the same

#117
20060080967
2006-04-20

Method and system for rich-lean catalytic combustion

#118
20060068346
2006-03-30

Heating method and apparatus

#119
20060057518
2006-03-16

Burner assembly

#120
20060057517
2006-03-16

Oxidant injection method

#121
20060057516
2006-03-16

Method and apparatus for radiant tube combustion

#122
20060021554
2006-02-02

Mercury reduction system and method in combustion flue gas using staging

#123
20050279263
2005-12-22

Fuel staging methods for low NOx tangential fired boiler operation

#124
20050260114
2005-11-24

Method for flue-gas reduction of pollutants in combustion processes

#125
20050257721
2005-11-24

Solid fuel boiler and method of operating combustion apparatus

#126
20050257427
2005-11-24

Startup burner

#127
20050172616
2005-08-11

Device for the purification of exhaust gases consisting of fluorine-containing compounds in a combustion reactor

#128
20050158684
2005-07-21

Remote staged furnace burner configurations and methods

#129
20050158223
2005-07-21

Mercury reduction system and method in combustion flue gas using staging

#130
20050147934
2005-07-07

Burner with high capacity venturi

#131
20050132941
2005-06-23

Apparatus for burning pulverized solid fuels with oxygen

#132
20050103243
2005-05-19

Mercury reduction system and method in combustion flue gas using staging

#133
20050092220
2005-05-05

Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus

#134
20050053877
2005-03-10

Three stage low NOburner and method

#135
20050026097
2005-02-03

Method and apparatus for optimized CO post-combustion in low NOx combustion processes

#136
20050026095
2005-02-03

Multi-stage combustion using nitrogen-enriched air

#137
12772398
2015-11-10

Can-annular combustor with premixed tangential fuel-air nozzles for use on gas turbine engines