ClassID:

158735

F24H9/1836 - CPC Classification

Classification description:

Details; Arrangement or mounting of grates or heating means for water heaters; Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel

Recent Application in this class:
#1
20250376005
2025-12-11

AIR HEATER FOR MOBILE APPLICATIONS WITH REDUCED HOUSING SURFACE TEMPERATURE

#2
20250334297
2025-10-30

FLAME ARRESTOR ASSEMBLY FOR A GAS WATER HEATER APPLIANCE

#3
20240369260
2024-11-07

BURNER AND WATER HEATER COMPRISING SAME

#4
20240353147
2024-10-24

GAS CONTROL SYSTEM

#5
20240183581
2024-06-06

Systems for reverse airflow damage prevention in appliances

#6
20240183530
2024-06-06

GAS DISTRIBUTION UNIT AND WATER HEATER

#7
20240175605
2024-05-30

Method and System for Controlling an Intermittent Pilot Water Heater System

#8
20230235921
2023-07-27

Gas control system

#9
20230043181
2023-02-09

GAS BURNER AND HEATING APPLIANCE

#10
20230009411
2023-01-12

Vehicle heater and controls therefor

#11
20220397272
2022-12-15

GAS DEVICE

#12
20220252303
2022-08-11

Energy efficient water heater

#13
20220196284
2022-06-23

COMBUSTION DEVICE AND WATER HEATING DEVICE

#14
20220178585
2022-06-09

Gas fueled water heater appliance having one or more burner mounting features

#15
20220146149
2022-05-12

Method and system for controlling an intermittent pilot water heater system

#16
20220146091
2022-05-12

Frustoconical combustion chamber for a fluid heating device and methods for making the same

#17
20220026109
2022-01-27

Flow channel cap plate and combustion chamber assembly including the same

#18
20210404707
2021-12-30

Gas control system

#19
20210372664
2021-12-02

CONDENSATE DRAIN FOR WATER HEATER

#20
20210356170
2021-11-18

Methods systems and devices for controlling temperature and humidity using excess energy from a combined heat and power system

#21
20210341176
2021-11-04

Combustion systems with ease of serviceability

#22
20210332976
2021-10-28

Frustoconical combustion chamber for a fluid heating device and methods for making the same

#23
20210207849
2021-07-08

Counter balanced lid

#24
20210080149
2021-03-18

Energy efficient water heater

#25
20210080148
2021-03-18

Tankless water heater and manifold system

#26
20210071911
2021-03-11

Bell mouth, air supply assembly including the bell mouth, and air supply control system using the bell mouth

#27
20210048223
2021-02-18

Burner control system

#28
20200363099
2020-11-19

Smoke tube boiler

#29
20200348048
2020-11-05

Oil boiler

#30
20200348047
2020-11-05

Oil boiler

#31
20200348045
2020-11-05

Methods systems and devices for controlling temperature and humidity using excess energy from a combined heat and power system

#32
20200318857
2020-10-08

Heat exchanger including flue flow path guide system

#33
20200309408
2020-10-01

Heat exchanger for gas appliance and method for manufacturing heat exchanger for gas appliance

#34
20200224925
2020-07-16

Combination systems and related methods for providing power, heat and cooling

#35
20200208875
2020-07-02

Heat transfer fin and fin-tube type heat exchanger unit using the same

#36
20200191438
2020-06-18

Combustion tube assembly of a water heater

#37
20200191437
2020-06-18

Combustion tube assembly of a water heater

#38
20200191436
2020-06-18

Heat source device

#39
20200166241
2020-05-28

HOT WATER BOILER WITH INCLINE TYPE FIREBOX

#40
20200072503
2020-03-05

Segregated fired heater

#41
20200056812
2020-02-20

Energy efficient water heater

#42
20200056810
2020-02-20

Exhaust duct detachable from outlet, water-heating device having the exhaust duct, and method for repairing the water-heating device

#43
20200049377
2020-02-13

Water heater appliance and a method for operating a water heater appliance

#44
20200033002
2020-01-30

COMBUSTION APPARATUS AND HOT WATER APPARATUS

#45
20190376725
2019-12-12

Heat exchanger including flue flow path guide system

#46
20190360723
2019-11-28

Heat source machine

#47
20190338987
2019-11-07

Method and system for controlling an intermittent pilot water heater system

#48
20190203974
2019-07-04

Water heater with top water outlet

#49
20190195489
2019-06-27

Combustor assembly and gas water heater

#50
20190186785
2019-06-20

Combustion apparatus

#51
20190186784
2019-06-20

Combustion apparatus

#52
20190107099
2019-04-11

Vehicle heater and controls therefor

#53
20190078776
2019-03-14

Combustion apparatus

#54
20190055957
2019-02-21

Centrifugal fan

#55
20190041095
2019-02-07

Water heater with flow bypass

#56
20190041092
2019-02-07

Water heater

#57
20190041091
2019-02-07

SCALABLE PULSE COMBUSTOR

#58
20190032960
2019-01-31

Heating and hot water supply apparatus and method of controlling the same

#59
20190032954
2019-01-31

Combination systems and related methods for providing power, heat and cooling

#60
20190011122
2019-01-10

Pulse combustion heat exchanger system and method

#61
20180356125
2018-12-13

Water heating apparatus with parallel heat exchangers

#62
20180340710
2018-11-29

Water heater

#63
20180340709
2018-11-29

Water heater

#64
20180266727
2018-09-20

Gas water heating apparatus

#65
20180266726
2018-09-20

Fire Tube Heater

#66
20180231244
2018-08-16

Burner, gas water heater and processing method of fire row

#67
20180224156
2018-08-09

Condensing water heater and condensation control system

#68
20180187921
2018-07-05

Water heater

#69
20180172316
2018-06-21

PERFORMANCE OF A GAS-FIRED APPLIANCE BY USE OF FUEL INJECTION TECHNOLOGY

#70
20180135888
2018-05-17

Burner, combustion apparatus, method for combustion, method for controlling combustion, recording medium, and water heater

#71
20180135884
2018-05-17

Fluid heater with perforated flame holder, and method of operation

#72
20180087806
2018-03-29

Heat exchanger and hot water apparatus

#73
20180087805
2018-03-29

Hot water apparatus

#74
20180058719
2018-03-01

Burner case production method and burner case

#75
20180051912
2018-02-22

Reactor and heater configuration synergies in paraffin dehydrogenation process

#76
20180003380
2018-01-04

High turn-down modulating burner

#77
20170343213
2017-11-30

Exhaust duct

#78
20170314779
2017-11-02

Gas premix burner and gas water heater

#79
20170307254
2017-10-26

Ignition temperature control apparatus of gas water heater

#80
20170130960
2017-05-11

Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter

#81
20170108241
2017-04-20

Motor/damper assembly for fuel-fired water heater

#82
20170059201
2017-03-02

HEAT EXCHANGER AND MANUFACTURING METHOD FOR UNIT PLATE CONSTITUTING HEAT EXCHANGER

#83
20170045262
2017-02-16

Combustion apparatus

#84
20170010019
2017-01-12

Method for low NOx fire tube boiler

#85
20160290636
2016-10-06

Apparatus and methods for arresting flame at a gas burner

#86
20160282011
2016-09-29

Combustion apparatus and water heater having same

#87
20160116228
2016-04-28

Water heater having secondary heat exchanger

#88
20160061491
2016-03-03

Low NOburner for a water heater

#89
20160025374
2016-01-28

Fluid heater with perforated flame holder

#90
20160010892
2016-01-14

Water heater

#91
20160010891
2016-01-14

Water heater

#92
20150298900
2015-10-22

Catalytic heating assembly for an oil storage tank

#93
20150266355
2015-09-24

Vehicle heater

#94
20150204541
2015-07-23

High turn-down modulating burner

#95
20150184888
2015-07-02

Dual-ring and straight fin tube condensing

#96
20150153067
2015-06-04

Door with a built-in burner for a heating appliance

#97
20150153065
2015-06-04

BURNER

#98
20150144075
2015-05-28

Water heater having a down fired combustion assembly

#99
20150056903
2015-02-26

Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter

#100
20140314399
2014-10-23

Portable water heating module

#101
20140305385
2014-10-16

Conversion of single-pass boiler to multi-pass operation

#102
20140224191
2014-08-14

Burner tube heat exchanger for a storage tank

#103
20140124181
2014-05-08

Coil tube heat exchanger for a tankless hot water system

#104
20140124180
2014-05-08

Coil tube heat exchanger for a tankless hot water system

#105
20140014047
2014-01-16

CONTINUOUS FLOW WATER HEATER THAT MITIGATES THE EFFECT OF ALTITUDE

#106
20140000534
2014-01-02

Burner, combustion apparatus, method for combustion, method for controlling combustion, recording medium, and water heater

#107
20130247844
2013-09-26

Low NOburner for a water heater

#108
20120048214
2012-03-01

Motor/damper assembly for fuel-fired water heater

#109
20120000456
2012-01-05

Door with a built-in burner for a heating appliance

#110
20110147552
2011-06-23

Mounting bracket for use with a water heater

#111
20110041781
2011-02-24

Coil tube heat exchanger for a tankless hot water system

#112
20100154724
2010-06-24

Water heater burner tube and door assembly

#113
20100116227
2010-05-13

Systems and methods for controlling a water heater

#114
20100116226
2010-05-13

BOILER WITH A COMBUSTION HEAD COOLING SYSTEM

#115
20100101510
2010-04-29

WATER HEATERS WITH SEALED DOOR ASSEMBLY

#116
20100101509
2010-04-29

WATER HEATERS WITH SEALED DOOR ASSEMBLIES

#117
20100018475
2010-01-28

High efficiency water heater

#118
20090308333
2009-12-17

Removable heat exchanger for a gas fired water heater

#119
20090255487
2009-10-15

Water heater sealed combustion chamber assembly

#120
20090250017
2009-10-08

WATER HEATER WITH PRESSURIZED COMBUSTION

#121
20090151655
2009-06-18

HEAT TUBE ASSEMBLY

#122
20080128525
2008-06-05

Air heater for a motor vehicle

#123
20080078337
2008-04-03

Systems and methods for controlling a water heater

#124
20070209605
2007-09-13

Modular control and heater assembly

#125
20070163119
2007-07-19

Method of manufacturing a combustion chamber for a water heater

#126
20070151092
2007-07-05

Method of manufacturing a combustion chamber for a water heater

#127
20070125318
2007-06-07

Condensing gas fired water heater

#128
20060174846
2006-08-10

System and methods for controlling a water heater

#129
20060150925
2006-07-13

Water heater with pressurized combustion

#130
20060102733
2006-05-18

Combustion air intake filter

#131
20050229870
2005-10-20

Method of manufacturing a combustion chamber for a water heater

#132
15645068
2018-03-20

Pulse combustion heat exchanger system and method