ClassID:

157371

F23N2900/05003 - CPC Classification

Classification description:

Special features of, or arrangements for controlling combustion Measuring NOx content in flue gas

Recent Application in this class:
#1
20260097990
2026-04-09

AVOIDING OF EMISSIONS IN THE PRODUCTION OF ARTIFICIAL POZZOLANS MADE OF MINERAL MATERIAL, IN PARTICULAR CLAYS

#2
20260055891
2026-02-26

Method and Apparatus for Detecting a Threshold Deviation from Clean Combustion in a Residential Gas Heater Assembly

#3
20250383088
2025-12-18

LOW NOx EMISSION BURNER FOR FIRING LIQUID FUELS OR FUEL GAS AND METHOD OF OPERATION

#4
20250321003
2025-10-16

EXHAUST GAS COMPOSITION CHARACTERIZATION IN COMBUSTION SYSTEMS

#5
20250251128
2025-08-07

COMBUSTION SYSTEM

#6
20250244012
2025-07-31

COMBUSTION SYSTEM AND PREDICTION DEVICE

#7
20250060101
2025-02-20

METHODS AND SYSTEMS FOR MINIMIZING NOx AND CO EMISSIONS IN NATURAL DRAFT HEATERS

#8
20240401805
2024-12-05

Virtual Sensor for Combustion Furnace

#9
20240353103
2024-10-24

FURNACE, SYSTEM, AND METHOD FOR CALIBRATING FLAME CURRENT IN FURNACE

#10
20240288165
2024-08-29

COMBUSTION METHOD FOR CONTROLLING AND MONITORING EXHAUST GAS EMISSIONS IN BOILERS

#11
20230400184
2023-12-14

METHODS AND SYSTEMS FOR MINIMIZING NOx AND CO EMISSIONS IN NATURAL DRAFT HEATERS

#12
20230144517
2023-05-11

A METHOD FOR REDUCING COMBUSTION TEMPERATURE AND THERMAL RADIATION WITHIN A LIME KILN

#13
20230046593
2023-02-16

METHOD FOR CONTROLLING A COMBUSTION DEVICE

#14
20230033218
2023-02-02

Low NOand CO combustion burner method and apparatus

#15
20220349579
2022-11-03

Combustion heater control system with dynamic safety settings and associated methods

#16
20220349577
2022-11-03

Combustion system with inferred fuel and associated methods

#17
20210381688
2021-12-09

LOW EMISSION DIRECT FIRED PROCESS AIR HEATING

#18
20200378600
2020-12-03

Methods and systems for minimizing NOx and CO emissions in natural draft heaters

#19
20200191385
2020-06-18

Low NOand CO combustion burner method and apparatus

#20
20190257519
2019-08-22

System and method for operating a combustion chamber

#21
20160245516
2016-08-25

Multi-sensor probe for monitoring combustion in a conduit

#22
20160025380
2016-01-28

Fluid heater with a variable-output burner including a perforated flame holder and method of operation

#23
20150377149
2015-12-31

Automatic combustion system characterization

#24
20150345791
2015-12-03

Apparatus and a method of controlling the supply of fuel to a combustion chamber

#25
20150064086
2015-03-05

Electric reagent launcher for reduction of nitrogen

#26
20140162199
2014-06-12

Method and system for use in combustion product control

#27
20140050644
2014-02-20

Charge-induced selective reduction of nitrogen

#28
20130122433
2013-05-16

Smart firing control in a rankine cycle power plant

#29
20120137692
2012-06-07

Gas turbine engine fuel control using gas measurement at the air inlet

#30
20120100493
2012-04-26

ASSURED COMPLIANCE MODE OF OPERATING A COMBUSTION SYSTEM

#31
20120096835
2012-04-26

Feedforward selective catalytic reduction system for turbine engines

#32
20110106506
2011-05-05

Predicting NO emissions

#33
20110061575
2011-03-17

Combustion control system and method using spatial feedback and acoustic forcings of jets

#34
20110045422
2011-02-24

OPTICAL FLUE GAS MONITOR AND CONTROL

#35
20080168954
2008-07-17

Gas water heater having nitric oxide detector

#36
20070227125
2007-10-04

Assured compliance mode of operating a combustion system

#37
20060080965
2006-04-20

Method and system for incorporating an emission sensor into a gas turbine controller

#38
20050107941
2005-05-19

Method and system for incorporating an emission sensor into a gas turbine controller