ClassID:

157201

F23N5/24 - CPC Classification

Classification description:

Systems for controlling combustion Preventing development of abnormal or undesired conditions, i.e. safety arrangements

Sub-classes:
Recent Application in this class:
#1
20260016162
2026-01-15

Combustion Analyzer

#2
20250377116
2025-12-11

GAS IGNITION SYSTEM FOR A GAS COOKING APPLIANCE

#3
20250271879
2025-08-28

Gas Regulating Unit, Gas Regulating Valve And System With Such A Gas Regulating Valve For Fail-Safe Pressure Regulation In A Gas Heater

#4
20250189135
2025-06-12

SYSTEMS AND METHODS FOR OPERATION OF A FLEXIBLE FUEL COMBUSTOR

#5
20250067430
2025-02-27

HYDROGEN GAS BURNER

#6
20250043955
2025-02-06

COMBUSTION APPARATUS AND HOT WATER APPARATUS PROVIDED WITH SAME

#7
20250012667
2025-01-09

DETECTION APPARATUS AND COMBUSTION SYSTEM

#8
20230383950
2023-11-30

Systems and methods for operation of a flexible fuel combustor

#9
20230141756
2023-05-11

Oven with improved burner assembly

#10
20230038340
2023-02-09

Hot surface igniters for cooktops

#11
20230037353
2023-02-09

INSTRUMENTED BURNER

#12
20220074594
2022-03-10

Systems and methods for operation of a flexible fuel combustor

#13
20210381694
2021-12-09

HOT SURFACE IGNITERS FOR COOKTOPS

#14
20210207803
2021-07-08

Combustion apparatus

#15
20200408405
2020-12-31

Device for handling combustion gas

#16
20200318830
2020-10-08

Dual-gas source gas control system with anti-gas source misconnection and control circuit thereof

#17
20200278115
2020-09-03

Method of operating an ignition element of a gas burner

#18
20200208838
2020-07-02

Leakage detection in a flame sense circuit

#19
20200191382
2020-06-18

BOILER AND METHOD FOR CONTROLLING BOILER

#20
20200103110
2020-04-02

Automatic pilot lighting systems

#21
20190375273
2019-12-12

Fuel-operated vehicle heater and method for operating a fuel-operated vehicle heater

#22
20190331339
2019-10-31

Portable flue gas analyser

#23
20190301742
2019-10-03

Hot surface igniters for cooktops

#24
20190301741
2019-10-03

Hot surface igniters for cooktops

#25
20190301737
2019-10-03

Method and apparatus for monitoring port blockage for TDLAS measurements in harsh environments

#26
20190293287
2019-09-26

Gas turbine combustor and gas turbine engine including same

#27
20190226677
2019-07-25

Flame scanner with photodiode coupled to a signal conditioner to generate an output signal emulating an output signal of an ultraviolet tube flame scanner

#28
20190162408
2019-05-30

Systems and methods for avoiding harmonic modes of gas burners

#29
20190093887
2019-03-28

Apparatus for regulating the size and intensity of torch flame

#30
20180272165
2018-09-27

Ducting system

#31
20180259187
2018-09-13

Systems and methods for operation of a flexible fuel combustor

#32
20180163994
2018-06-14

Combustion apparatus

#33
20180135533
2018-05-17

Low partial load emission control for gas turbine system

#34
20180112601
2018-04-26

Indirect monitoring of aircraft combustor dynamics

#35
20180058692
2018-03-01

Heater with valve configuration

#36
20170363015
2017-12-21

Systems and methods for flame holding avoidance in gas turbine combustors

#37
20170276351
2017-09-28

Combustion controlling system

#38
20170115010
2017-04-27

Monitor for a natural gas-fired appliance

#39
20170051844
2017-02-23

System for a valve setup

#40
20170038071
2017-02-09

Combined high energy igniter and flame detector

#41
20170009996
2017-01-12

Combustor assembly for a gas turbine engine and method of making same

#42
20170003024
2017-01-05

Method and system for controlling the operation of a burner

#43
20160377285
2016-12-29

Control method using vibration control

#44
20160348970
2016-12-01

Selective oxy-fuel burner and method for a rotary furnace

#45
20160341424
2016-11-24

Combustion apparatus overheating device

#46
20160313003
2016-10-27

Method and apparatus for monitoring port blockage for TDLAS measurements in harsh environments

#47
20160305658
2016-10-20

Combustion controlling device and combustion system

#48
20160169399
2016-06-16

GAS SHUT-OFF VALVE WITH THERMAL SAFETY

#49
20160076769
2016-03-17

Combustion monitoring

#50
20160076761
2016-03-17

Furnaces and methods of reducing heat degrading of metal heating coils of furnaces

#51
20160041069
2016-02-11

Service method of gas appliances

#52
20150330665
2015-11-19

Systems and methods for controlling gas powered appliances

#53
20150330664
2015-11-19

Systems and methods for controlling gas powered appliances

#54
20150330663
2015-11-19

Systems and methods for controlling gas powered appliances

#55
20150330631
2015-11-19

Method for preventing explosion of exhaust gas in decompression processing apparatus

#56
20150107217
2015-04-23

Vent system for use in a gas turbine and method of operating thereof

#57
20150045971
2015-02-12

Valve controller configured to estimate fuel comsumption

#58
20150034069
2015-02-05

Method for operating a gas hob, and gas hob

#59
20150000300
2015-01-01

Gas turbine having fuel monitoring

#60
20140170570
2014-06-19

Valve leak detecting method and combustion equipment

#61
20140150532
2014-06-05

Valve leak detecting method and combustion equipment

#62
20140007957
2014-01-09

Control and safety circuit for gas delivery valves

#63
20130330675
2013-12-12

Combined high energy igniter and flame detector

#64
20130254390
2013-09-26

Service method of gas appliances

#65
20130212999
2013-08-22

Control system

#66
20130211690
2013-08-15

Detection system and method to detect flame holding event

#67
20130199512
2013-08-08

Gas-fired kitchen appliance

#68
20130021160
2013-01-24

Safety System for Detecting and Controlling Toxic Gas

#69
20130021119
2013-01-24

Electromechanical switch for controlling toxic gas

#70
20130006581
2013-01-03

COMBUSTOR HEALTH AND PERFORMANCE MONITORING SYSTEM FOR GAS TURBINES USING COMBUSTION DYNAMICS

#71
20120235813
2012-09-20

Service method of gas appliances

#72
20120208139
2012-08-16

High capacity fuel-fired liquid heating apparatus

#73
20120135360
2012-05-31

Premix Flashback Control

#74
20120111019
2012-05-10

System and method for combustion dynamics control by acoustic control/cancellation of fuel flow fluctuation at fuel injection location

#75
20120100493
2012-04-26

ASSURED COMPLIANCE MODE OF OPERATING A COMBUSTION SYSTEM

#76
20120094244
2012-04-19

THERMOCOUPLE SHUTOFF FOR PORTABLE HEATER

#77
20120016527
2012-01-19

GAS SHUTOFF DEVICE

#78
20110242722
2011-10-06

CONTROL SYSTEM

#79
20110197977
2011-08-18

Valve system for fluid fuel

#80
20110106461
2011-05-05

Gas cutoff apparatus

#81
20110088919
2011-04-21

FIRE-EXTINGUISHING DEVICE FOR AN OIL STOVE

#82
20110066387
2011-03-17

APPLIANCE MONITORING APPARATUS

#83
20110045417
2011-02-24

Thermocouple Shutoff for Portable Heater

#84
20110039217
2011-02-17

METHOD AND GAS REGULATOR FITTING FOR MONITORING THE IGNITION OF A GAS DEVICE

#85
20110010111
2011-01-13

Flowmeter

#86
20110004423
2011-01-06

Flowmeter

#87
20100269505
2010-10-28

System and method for controlling combustion dynamics

#88
20100265075
2010-10-21

Leakage detection and compensation system

#89
20100050652
2010-03-04

Method of controlling a fuel split

#90
20100031900
2010-02-11

Low cost tankless portable water heater

#91
20080229746
2008-09-25

Method for protecting the hot gas parts of a gas turbine installation from overheating and for detecting flame extinction in the combustion chamber

#92
20080192232
2008-08-14

Method and device for monitoring hydrogen gas and hydrogen flame

#93
20080182215
2008-07-31

System and method for controlling toxic gas

#94
20080096147
2008-04-24

Apparatus and methods for operating a cooking appliance

#95
20070227125
2007-10-04

Assured compliance mode of operating a combustion system

#96
20070215067
2007-09-20

Water heater with flammable vapor sensor

#97
20070125281
2007-06-07

Device and method for the combustion of granular, solid fuel

#98
20070099140
2007-05-03

Stove suitable for various kinds of gas pressure

#99
20070089424
2007-04-26

Gas turbine engine combustor hot streak control

#100
20060257801
2006-11-16

Leakage detection and compensation system

#101
20060238741
2006-10-26

Gas leakage monitoring method and its system

#102
20060218933
2006-10-05

Method for producing a model-based control device

#103
20060210937
2006-09-21

Vapor resistant fuel burning appliance

#104
20050064354
2005-03-24

Excessive temperature warning device using warning symbol outside fiber optic cable or light guide

#105
20050053879
2005-03-10

Fuel-fired heating appliance with temperature-based fuel shutoff system

#106
20050042560
2005-02-24

Fuel-fired heating appliance with temperature-based fuel shutoff system

#107
16901140
2023-03-21

Systems for avoiding harmonic modes of gas burners

#108
15934615
2019-08-06

Flush-mount combined static pressure and temperature probe