ClassID:

158556

F24H1/107 - CPC Classification

Classification description:

Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters; Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel

Recent Application in this class:
#1
20250369245
2025-12-04

CONNECTED POOL AND SPA HEATER SYSTEM

#2
20250314395
2025-10-09

HOT WATER APPARATUS

#3
20250290665
2025-09-18

HEATING DEVICE, HEATING APPARATUS AND APPARATUS FOR PROVIDING A FLOW OF GASEOUS HYDROGEN

#4
20250244025
2025-07-31

HYDRO-FURNACE

#5
20250123006
2025-04-17

HEATING SYSTEM AND METHOD OF CONTROLLING THE SAME

#6
20250043994
2025-02-06

METHOD FOR CONTROLLING WATER HEATER, WATER HEATER AND STORAGE MEDIUM

#7
20250035124
2025-01-30

IMPELLER, PRESSURIZATION DEVICE, AND GAS WATER HEATER

#8
20250035117
2025-01-30

PRESSURE BOOSTING DEVICE AND GAS WATER HEATER

#9
20240410617
2024-12-12

HEAT EXCHANGER ASSEMBLY AND WATER HEATER

#10
20240360997
2024-10-31

ROOF PLUMBING VENTS AND METHODS INCLUDING FOR TANKLESS WATER HEATERS WITH CONCENTRIC VENTING

#11
20240337417
2024-10-10

ELECTRIC FLUID HEATER

#12
20240318868
2024-09-26

WATER HEATER

#13
20240263832
2024-08-08

HYBRID FUEL AND ELECTRIC FLUID HEATING SYSTEM AND METHODS OF MANUFACTURE THEREOF

#14
20240183578
2024-06-06

WATER TANK ASSEMBLY FOR HEATING DEVICE, AND HEATING DEVICE

#15
20240183531
2024-06-06

COMBUSTION DEVICE AND WATER HEATER

#16
20240183530
2024-06-06

GAS DISTRIBUTION UNIT AND WATER HEATER

#17
20230272942
2023-08-31

Heat exchanger and water heater equipped with the same

#18
20230228455
2023-07-20

HEAT EXCHANGER FOR HEATING DEVICES, AND TUBE-ASSEMBLY MODULE FOR A HEAT EXCHANGER

#19
20230204226
2023-06-29

BOILER AND METHOD FOR STAGE CHANGE CONTROL THEREOF

#20
20230050638
2023-02-16

Tankless water heater connector

#21
20230027028
2023-01-26

Roof plumbing vents and methods including for tankless water heaters with concentric venting

#22
20220307691
2022-09-29

Premixing apparatus

#23
20220290894
2022-09-15

High efficiency tankless water heater

#24
20220251861
2022-08-11

CONNECTED POOL AND SPA HEATER SYSTEM

#25
20220136697
2022-05-05

Hot water supply device, hot water supply program, hot water supply method, and recording medium

#26
20220120473
2022-04-21

Vertically stacked dual heat engine rack

#27
20220120471
2022-04-21

Tankless water heater connector

#28
20220082300
2022-03-17

TANKLESS WATER HEATER SYSTEMS AND METHODS THERETO

#29
20220042716
2022-02-10

Heat exchangers providing low pressure drop

#30
20220025666
2022-01-27

Hybrid heater

#31
20210364192
2021-11-25

COMBUSTION DEVICE

#32
20210352782
2021-11-11

Apparatus and Method for Microwave Heating of Fluids

#33
20210325086
2021-10-21

Systems and methods for heater control in fluid heating systems

#34
20210325083
2021-10-21

Hot water device

#35
20210318031
2021-10-14

Tankless water heater with display and electronic control

#36
20210247100
2021-08-12

WATER HEATER

#37
20210239361
2021-08-05

Multi-unit water heater flexible mounting system

#38
20210197113
2021-07-01

Device for producing and treating a gas stream through a volume of liquid, and facility and method implementing said device

#39
20210156629
2021-05-27

Heat exchanger and water heating apparatus including the same

#40
20210156623
2021-05-27

Heat exchanger and water heating apparatus including same

#41
20210095890
2021-04-01

Water heater

#42
20210063054
2021-03-04

Tankless water heater with bypass valve operating differently in intermittent operation and normal operation

#43
20210055018
2021-02-25

METHOD FOR DETECTING UNUSUAL CONDITION OF GAS APPLIANCE, AND WATER-HEATING DEVICE

#44
20200408442
2020-12-31

WATER HEATING APPARATUS AND WATER HEATING SYSTEM

#45
20200386418
2020-12-10

Hot water supplying apparatus and method for utilizing waste heat of hot water supplying apparatus

#46
20200309385
2020-10-01

Self-powered water heater

#47
20200300503
2020-09-24

Heat exchanger

#48
20200271356
2020-08-27

Water heating apparatus with immediate hot water supply function and water heating system

#49
20200271353
2020-08-27

Totally Aerated Combustion Burner

#50
20200072497
2020-03-05

Water heating apparatus

#51
20200018520
2020-01-16

AQUA DYNAMIC WATER HEATER BASED SPACE HEATING SYSTEM

#52
20190360225
2019-11-28

Hybrid heater

#53
20190353402
2019-11-21

TEMPERATURE CONTROL SYSTEM OF GAS-FIRED WATER HEATER

#54
20190282918
2019-09-19

Submerged combustion apparatus

#55
20190041095
2019-02-07

Water heater with flow bypass

#56
20180356125
2018-12-13

Water heating apparatus with parallel heat exchangers

#57
20170342732
2017-11-30

Hybrid heater

#58
20170320006
2017-11-09

Device for producing and treating a gas stream through a volume of liquid, and facility and method implementing said device

#59
20160377301
2016-12-29

Circulating hot water system and or appliance

#60
20160282010
2016-09-29

High pressure, high temperature, on demand water heater

#61
20160161143
2016-06-09

System and method for control of a fluid heating apparatus

#62
20160061491
2016-03-03

Low NOburner for a water heater

#63
20150377510
2015-12-31

Heater with telescoping tower

#64
20150368921
2015-12-24

Hybrid heater

#65
20150219362
2015-08-06

Steam generator

#66
20150059732
2015-03-05

Thermostatic condensing gas water heater and control method therefor

#67
20140250888
2014-09-11

Heat exchangers, boilers, and systems incorporating the same

#68
20140230805
2014-08-21

Gas hot water heating device and system

#69
20130247997
2013-09-26

Circulating hot water system and or appliance

#70
20130247844
2013-09-26

Low NOburner for a water heater

#71
20120060772
2012-03-15

External Gas Controller For Tankless Water Heater

#72
20050229871
2005-10-20

Heating system and boiler therefor

#73
20050072378
2005-04-07

High efficiency combination direct/indirect water heater