ClassID:

157012

F23L9/04 - CPC Classification

Classification description:

Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air beyond the fire, i.e. nearer the smoke outlet

Recent Application in this class:
#1
20250027643
2025-01-23

HEATER WITH REMOTE COMBUSTION AIR ADDITION

#2
20230064445
2023-03-02

APPARATUS AND METHOD CAPABLE OF MONITORING AND ADJUSTING IN-FURNACE COMBUSTION CONDITIONS IN REAL TIME

#3
20220364725
2022-11-17

Nozzle Configured To Deliver Gas Into Incinerator

#4
20210123111
2021-04-29

Direct smelting process with full combustion

#5
20210080102
2021-03-18

Method for reducing nitrogen oxides in strip heat treatment furnaces

#6
20190293285
2019-09-26

COMPACT DUAL-FUEL COMBUSTION SYSTEM, AND FLUID HEATING SYSTEM AND PACKAGED BURNER SYSTEM INCLUDING THE SAME

#7
20190078775
2019-03-14

Combustor for various types of solid fuels

#8
20180347813
2018-12-06

Method and device for heating a furnace

#9
20160223187
2016-08-04

METHOD AND ARRANGEMENT FOR TREATING PROCESS GAS FLOWING FROM A PYROMETALLURGICAL FURNACE INTO A WASTE HEAT BOILER

#10
20160186989
2016-06-30

Fire constructions

#11
20160146463
2016-05-26

Combustion device

#12
20160047551
2016-02-18

Combustion system

#13
20150338088
2015-11-26

Furnace combustion system and method

#14
20140315137
2014-10-23

Method for burning a fuel in a wood stove, a wood stove with a controller; and an air regulator for a wood stove

#15
20140308620
2014-10-16

Pulverized coal fired boiler with wall-attachment secondary air and grid overfire air

#16
20120174837
2012-07-12

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

#17
20120148961
2012-06-14

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

#18
20120145052
2012-06-14

Apparatus and method of controlling the thermal performance of an oxygen-fired boiler

#19
20120137938
2012-06-07

Pulverized coal boiler

#20
20120079969
2012-04-05

Combustion controller

#21
20120048158
2012-03-01

Enhanced emission control for outdoor wood-fired boilers

#22
20110302901
2011-12-15

ZONAL MAPPING FOR COMBUSTION OPTIMIZATION

#23
20110117505
2011-05-19

Tertiary air addition to solid waste-fired furnaces for NOx control

#24
20110100272
2011-05-05

Vortex incinerator

#25
20110076630
2011-03-31

Combustion Rotation System for Fuel-Injection Boilers

#26
20110017110
2011-01-27

METHODS AND SYSTEMS FOR IMPROVING COMBUSTION PROCESSES

#27
20100251945
2010-10-07

MARINE BOILER STRUCTURE

#28
20100224108
2010-09-09

Pulverized coal-fired boiler and pulverized coal burning method

#29
20100037806
2010-02-18

Combustion chamber for burning solid fuels

#30
20090214988
2009-08-27

Combustion systems and processes for burning fossil fuel with reduced nitrogen oxide emissions

#31
20090183660
2009-07-23

Method for controlling the combustion air supply in a steam generator that is fueled with fossil fuels

#32
20080241029
2008-10-02

Methods and apparatus for removing mercury from combustion flue gas

#33
20080241028
2008-10-02

Methods and apparatus to facilitate reducing mercury emissions

#34
20080220387
2008-09-11

Combustion apparatus to reduce flue gas NOx by injection of n-agent droplets and gas in overfire air

#35
20080149010
2008-06-26

TERTIARY AIR ADDITION TO SOLID WASTE-FIRED FURNACES FOR NOX CONTROL

#36
20080105175
2008-05-08

Methods and systems to increase efficiency and reduce fouling in coal-fired power plants

#37
20080083356
2008-04-10

HYBRID BOOSTED OVERFIRE AIR SYSTEM AND METHODS FOR NOx REDUCTION IN COMBUSTION GASES

#38
20080060632
2008-03-13

Pellet burning heating assembly

#39
20070003890
2007-01-04

Urea-based mixing process for increasing combustion efficiency and reduction of nitrogen oxides (NOx)

#40
20060166152
2006-07-27

Gas incinerator installed on a liquefied gas tanker ship or a liquefied gas terminal

#41
20060115780
2006-06-01

Combustion apparatus and wind box

#42
20060115779
2006-06-01

Overfiring air port, method for manufacturing air port, boiler, boiler facility, method for operating boiler facility and method for improving boiler facility

#43
20050257721
2005-11-24

Solid fuel boiler and method of operating combustion apparatus

#44
20050181318
2005-08-18

Method for in-furnace reduction flue gas acidity

#45
20050106516
2005-05-19

Method to reduce flue gas NOx

#46
20050005828
2005-01-13

Incinerator with an air distributor mounted in a furnace thereof