ClassID:

157156

F23N3/082 - CPC Classification

Classification description:

Regulating air supply or draught by power-assisted systems using electronic means

Recent Application in this class:
#1
20260117973
2026-04-30

METHOD AND SYSTEM FOR CONTROLLING OPERATION OF AN INDUCER MOTOR OF A COMBUSTION SYSTEM

#2
20260084082
2026-03-26

COMBUSTION AIR DELIVERY DEVICE SYSTEM FOR FRYERS WITH FILTER CLOGGING MEASUREMENT AND AUTOMATIC ADOPTION OF AIRFLOW TO COMPENSATE

#3
20250383087
2025-12-18

LOW GAS PRESSURE DETECTION AND COMPENSATION OPERATION METHOD OF GAS WATER HEATER

#4
20250347420
2025-11-13

AUTOMATED TWO-BLOWER COOKING STOVE

#5
20250347410
2025-11-13

METHOD FOR OPERATING AN AUTOMATED TWO-BURNER BIOMASS COOKSTOVE

#6
20250164114
2025-05-22

SYSTEM AND A METHOD FOR CONTROLLING VARIABLE SPEED BLOWER

#7
20250151955
2025-05-15

Temperature Controlled Charcoal Grill and Smoker

#8
20240035705
2024-02-01

Feedback warning system using inducer pulse width modulation signal

#9
20230213240
2023-07-06

Systems and methods for operating a furnace

#10
20220404017
2022-12-22

METHOD AND DEVICE FOR CONTROLLING THE COMBUSTION IN FURNACE SYSTEMS

#11
20220316704
2022-10-06

Systems and methods of configuring a heating system

#12
20210054998
2021-02-25

System and method for burner ignition using sensorless constant mass flow draft inducers

#13
20200292182
2020-09-17

Feedback warning system using inducer pulse width modulation signal

#14
20190195532
2019-06-27

Gas water heater and safety control method and system therefor

#15
20190186737
2019-06-20

High efficiency modulating gas furnace

#16
20190162408
2019-05-30

Systems and methods for avoiding harmonic modes of gas burners

#17
20180347857
2018-12-06

Fluid fuel heater to heat air and a method for operating said heater

#18
20180238544
2018-08-23

Combustion acoustic noise prevention in a heating furnace

#19
20180209648
2018-07-26

Heater device and method for operating a heater device

#20
20180045076
2018-02-15

Exhaust system with directed energy beam interference avoidance system

#21
20170350595
2017-12-07

Furnace, a method for operating a furnace and a furnace controller configured for the same

#22
20170342639
2017-11-30

Control method of washing machine

#23
20170336099
2017-11-23

Combustion control system of gas water heater or wall-hanging boiler and control method thereof

#24
20170271964
2017-09-21

Blower motor for HVAC systems

#25
20170159933
2017-06-08

Flammable Gas Concentration Reducer and Inert Gas Generator

#26
20160305659
2016-10-20

Arrangement and burner automation for adjusting the ratio between supplied amounts of fuel and air in an industrial burner

#27
20160223198
2016-08-04

Furnace, a method for operating a furnace and a furnace controller configured for the same

#28
20160209054
2016-07-21

Selectable efficiency versus comfort for modulating furnace

#29
20160187029
2016-06-30

Connected hot-water supply system

#30
20160123585
2016-05-05

Combined combustion device

#31
20160111943
2016-04-21

Blower motor for HVAC systems

#32
20160109157
2016-04-21

Fluid fuel heater to heat air and a method for operating said heater

#33
20150300640
2015-10-22

MINIMUM INPUT AIR PROVIDING DEVICE AND METHOD

#34
20150233578
2015-08-20

METHOD FOR REGULATING A HEATING UNIT, AND HEATING UNIT

#35
20150053197
2015-02-26

Furnace with modulating firing rate adaptation

#36
20140261111
2014-09-18

Combustion Efficiency Control System with a Stoichiometric Controller for a Laminar Burner System

#37
20140178826
2014-06-26

Combustion control device

#38
20140157581
2014-06-12

Blower motor for HVAC systems

#39
20140147797
2014-05-29

System and method for controlling a furnace

#40
20140030662
2014-01-30

Combustion acoustic noise prevention in a heating furnace

#41
20140023976
2014-01-23

Combustion blower control for modulating furnace

#42
20130299602
2013-11-14

System and method having multi-tube fuel nozzle with differential flow

#43
20130266881
2013-10-10

Power generation system and method of operating the same

#44
20130230812
2013-09-05

Furnace with modulating firing rate adaptation

#45
20130177825
2013-07-11

Power generation system and method of operating the same

#46
20130115563
2013-05-09

Method for operating a gas burner

#47
20130071261
2013-03-21

Method of detecting safety of water heater

#48
20120310419
2012-12-06

Modulating gas furnace

#49
20120270162
2012-10-25

Combustion control system

#50
20120125311
2012-05-24

PREMIX AIR HEATER

#51
20120115095
2012-05-10

Combustion blower control for modulating furnace

#52
20110254477
2011-10-20

Blower motor for HVAC systems

#53
20110174201
2011-07-21

Furnace, a method for operating a furnace and a furnace controller configured for the same

#54
20110137579
2011-06-09

Safety system in and method for the operation of a combustion device

#55
20110111352
2011-05-12

System and method for controlling a furnace

#56
20110100349
2011-05-05

Modulating gas furnace

#57
20110070550
2011-03-24

Control for monitoring flame integrity in a heating appliance

#58
20100330512
2010-12-30

Multi-boiler and control method thereof for preventing back flow of exhaust gas

#59
20100269789
2010-10-28

METERING FUEL PUMP

#60
20100170954
2010-07-08

Vehicle heaters and controls therefor

#61
20100112500
2010-05-06

APPARATUS AND METHOD FOR A MODULATING BURNER CONTROLLER

#62
20100043727
2010-02-25

HEATING SYSTEM

#63
20100012048
2010-01-21

System and method to reduce standby energy loss in a gas burning appliance

#64
20090308372
2009-12-17

Selectable efficiency versus comfort for modulating furnace

#65
20090308293
2009-12-17

Boiler and method for controlling air and fuel ratio using air pressure sensor

#66
20090297997
2009-12-03

Combustion blower control for modulating furnace

#67
20090293867
2009-12-03

Combustion blower control for modulating furnace

#68
20090277399
2009-11-12

Water heater and method of operating a waterheater

#69
20090190799
2009-07-30

Method for characterizing the exhaust gas burn-off quality in combustion systems

#70
20090111065
2009-04-30

Method and apparatus for controlling combustion in a burner

#71
20090044794
2009-02-19

Inducer speed control method for combustion furnace

#72
20080118877
2008-05-22

System and Control Method of Oil Burner's Suitable Burning Ratio Using Air Pressure Sensor

#73
20070251467
2007-11-01

Combustion apparatus

#74
20070238057
2007-10-11

System and method for combustion-air modulation of a gas-fired heating system

#75
20070137538
2007-06-21

Granular biomass burning heating system

#76
20070137537
2007-06-21

High efficiency cyclone gasifying combustion burner and method

#77
20070099138
2007-05-03

System and method for improving the thermal efficiency of a heating system

#78
20070034703
2007-02-15

Heating appliance

#79
20070028612
2007-02-08

Metering fuel pump

#80
20060191498
2006-08-31

Vehicle heater and controls therefor

#81
20060049268
2006-03-09

Appliance room controller

#82
20050271989
2005-12-08

Draft inducer system

#83
20050250062
2005-11-10

Gaseous fuel burner

#84
20050089811
2005-04-28

Exhaust recirculating method and apparatus for a hydrocarbon fired burner

#85
20050086935
2005-04-28

Heating appliance

#86
20050048427
2005-03-03

Draft inducer performance control

#87
20050047922
2005-03-03

Apparatus and method for maintaining an operating condition for a blower

#88
20050039716
2005-02-24

Vehicle heater and controls therefor

#89
20050039715
2005-02-24

Vehicle heater and controls therefor

#90
18976672
2025-06-17

Temperature control system for grill, main unit, and fan

#91
16901140
2023-03-21

Systems for avoiding harmonic modes of gas burners