ClassID:

155974

F23C6/042 - 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 fuel supply in stages

Recent Application in this class:
#1
20250327568
2025-10-23

LOW NOX, HIGH EFFICIENCY, HIGH TEMPERATURE, STAGED RECIRCULATING BURNER AND RADIANT TUBE COMBUSTION SYSTEM

#2
20250093024
2025-03-20

BURNER SYSTEM INCLUDING A DISTAL FLAME HOLDER AND A NON-REACTIVE FLUID SOURCE

#3
20240391768
2024-11-28

PARALLEL PROCESS HEATING AGAINST SERIAL COMBUSTION

#4
20240167679
2024-05-23

COMBUSTION SYSTEM WITH MIXING AND FLAME ARRESTING FOR POLLUTION REDUCTION

#5
20220275932
2022-09-01

LOW NOX, HIGH EFFICIENCY, HIGH TEMPERATURE, STAGED RECIRCULATING BURNER AND RADIANT TUBE COMBUSTION SYSTEM

#6
20220026058
2022-01-27

Method and device for flameless stepwise combustion

#7
20210190310
2021-06-24

BURNER SYSTEM INCLUDING A DISTAL FLAME HOLDER AND A NON-REACTIVE FLUID SOURCE

#8
20200240628
2020-07-30

BURNER SYSTEM INCLUDING A DISTAL FLAME HOLDER AND A NON-REACTIVE FLUID SOURCE

#9
20200191382
2020-06-18

BOILER AND METHOD FOR CONTROLLING BOILER

#10
20190338945
2019-11-07

Low NOx, high efficiency, high temperature, staged recirculating burner and radiant tube combustion system

#11
20190277492
2019-09-12

Fuel combustion system with a perforated reaction holder

#12
20190186732
2019-06-20

Low NOx burner with exhaust gas recycle and partial premix

#13
20190137096
2019-05-09

PERFORATED FLAME HOLDER SUPPORT STRUCTURE WITH HEATING ELEMENT

#14
20190003705
2019-01-03

STARTUP METHOD AND MECHANISM FOR A BURNER HAVING A PERFORATED FLAME HOLDER

#15
20180313533
2018-11-01

BURNER

#16
20180187883
2018-07-05

Method and equipment for combustion of ammonia

#17
20180003378
2018-01-04

Fuel combustion system with a perforated reaction holder

#18
20170153024
2017-06-01

Hybrid homogenous-catalytic combustion system

#19
20160273761
2016-09-22

Chemical looping combustion process with multiple fuel reaction zones and gravity feed of oxidized particles

#20
20160195264
2016-07-07

PROCESS UTILIZING SYNERGISTIC MIXTURE OF FUELS TO PRODUCE ENERGY AND REDUCE EMISSIONS IN BOILERS

#21
20160178207
2016-06-23

Axially staged mixer with dilution air injection

#22
20160123597
2016-05-05

Combustor arrangement for a gas turbine

#23
20160091199
2016-03-31

Low NOx, high efficiency, high temperature, staged recirculating burner and radiant tube combustion system

#24
20150369477
2015-12-24

Startup method and mechanism for a burner having a perforated flame holder

#25
20150362180
2015-12-17

System for co-firing cleaned coal and beneficiated organic-carbon-containing feedstock in a coal combustion apparatus

#26
20150354807
2015-12-10

Ultra low NOx combustion for steam generator

#27
20150316261
2015-11-05

Fuel combustion system with a perforated reaction holder

#28
20150285491
2015-10-08

Burner with a series of fuel gas ejectors and a perforated flame holder

#29
20150276220
2015-10-01

Burner with a perforated reaction holder and heating apparatus

#30
20150276213
2015-10-01

Method for flame location transition from a start-up location to a perforated flame holder

#31
20150276212
2015-10-01

Burner with a perforated flame holder and pre-heat apparatus

#32
20150260395
2015-09-17

Method and apparatus for combustion

#33
20150101341
2015-04-16

Method for a part load CO reduction operation for a sequential gas turbine

#34
20140234787
2014-08-21

Mixed fuel vacuum burner-reactor

#35
20140154634
2014-06-05

Staged chemical looping process with integrated oxygen generation

#36
20130111913
2013-05-09

Multi-combustor turbine

#37
20120129111
2012-05-24

PREMIX FOR NON-GASEOUS FUEL DELIVERY

#38
20120129110
2012-05-24

Method and system for energy efficient conversion of a carbon containing fuel to CO2 and H2O

#39
20120017601
2012-01-26

Gas turbine with improved part load emissions behavior

#40
20100236501
2010-09-23

REHEAT BOILER AND GAS TEMPERATURE CONTROLLING METHOD OF REHEAT BOILER

#41
20100115960
2010-05-13

Gas turbine installation with flue gas recirculation dependent on oxygen content of a gas flow

#42
20090249793
2009-10-08

Apparatus for Modifying the Content of a Gaseous Fuel

#43
20080127869
2008-06-05

Low NOcyclone furnace steam generator

#44
20070128096
2007-06-07

Integrated approach to reduction of mercury emissions

#45
20070034126
2007-02-15

In-Furnace Reduction Of Nitrogen Oxide By Mixed Fuels Involving A Biomass Derivative

#46
20060272331
2006-12-07

Thermal power plant with sequential combustion and reduced-COemission, and a method for operating a plant of this type

#47
20050186522
2005-08-25

Gas burner

#48
20050158684
2005-07-21

Remote staged furnace burner configurations and methods

#49
20050158681
2005-07-21

Remote staged radiant wall furnace burner configurations and methods

#50
20050123874
2005-06-09

High-heat transfer low-NOcombustion system

#51
20050019623
2005-01-27

Combustor, fuel reforming device, fuel cell system and method for starting up the fuel reforming system