ClassID:

158582

F24H1/201 - CPC Classification

Classification description:

Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters; Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply

Sub-classes:
Recent Application in this class:
#1
20260110457
2026-04-23

REHEAT SCHEDULING FOR WATER HEATERS

#2
20260022863
2026-01-22

WATER HEATERS WITH MULTIPLE HEATING ELEMENTS

#3
20250383126
2025-12-18

HYBRID WATER HEATER SYSTEM AND METHODS OF USE

#4
20250369651
2025-12-04

WATER HEATER FOR HEATING WATER USING VARIOUS POWER SOURCES AND ENHANCING ENERGY SAVINGS

#5
20250341339
2025-11-06

INTEGRATED ELECTRIC WATER HEATER

#6
20250093075
2025-03-20

WATER HEATER FOR HEATING WATER USING VARIOUS POWER SOURCES AND ENHANCING ENERGY SAVINGS

#7
20250027683
2025-01-23

INDUCTIVE INTELLIGENT WATER HEATER

#8
20250027679
2025-01-23

PUMPLESS TOP-UP WATER HEATING TANK

#9
20240418409
2024-12-19

Failure mode determination means

#10
20240344738
2024-10-17

HEAT EXCHANGER UNIT AND METHOD FOR MANUFACTURING THE SAME

#11
20240152163
2024-05-09

METHOD FOR AVOIDING CRITICAL OPERATING CONDITIONS OF A LIQUID TANK DEVICE AND LIQUID TANK DEVICE

#12
20240044517
2024-02-08

EXPANSION ASSEMBLY AND HOT WATER TANK

#13
20240044516
2024-02-08

COMPENSATION ASSEMBLY AND HOT WATER STORAGE TANK

#14
20230324080
2023-10-12

HEATING SYSTEM AND RELATED METHODS

#15
20230167982
2023-06-01

A WATER HEATING SYSTEM

#16
20230056787
2023-02-23

Thermal Energy Storage Concept with High Energy Storage Density

#17
20220252302
2022-08-11

Smart electric heating device

#18
20220221194
2022-07-14

"OFF" STATE MONITORING FOR CONSERVATION OVERRIDE APPARATUS AND METHOD

#19
20220214727
2022-07-07

WATER HEATERS WITH COMPUTING ELEMENTS AS A NETWORK

#20
20210381723
2021-12-09

System and method for providing heated water to sabbath observers

#21
20210341178
2021-11-04

Hot water tank for bidet and bidet device including the same

#22
20210215394
2021-07-15

Water Heater Controller

#23
20210199340
2021-07-01

Heat exchanger unit and method for manufacturing the same

#24
20210180829
2021-06-17

Control of an electric water heater as per a load shedding request signal and a salubrity index

#25
20200363098
2020-11-19

Boiler heating system

#26
20200263904
2020-08-20

Variable power water heater

#27
20200064023
2020-02-27

Electric hot water heater having a separated temperature sensor and heating element

#28
20200041168
2020-02-06

System and method for control of electric water heater

#29
20190285312
2019-09-19

Water heater appliance and methods of operation

#30
20190234622
2019-08-01

HOT WATER ENERGY CONSERVATION

#31
20190226718
2019-07-25

Unpressurized horizontal electric storage tank water heater

#32
20190178529
2019-06-13

Water boiler

#33
20190170399
2019-06-06

Thermosiphon system for hot water heater

#34
20190128540
2019-05-02

Bacteria preventive water holding tank construction for electric water heaters

#35
20190111894
2019-04-18

Washer tank

#36
20190086102
2019-03-21

Hot-water supply unit and hot-water supply system

#37
20180372376
2018-12-27

Electric hot water heater energy management

#38
20180313578
2018-11-01

CONTROL SYSTEMS FOR RENEWABLE HOT WATER HEATING SYSTEMS

#39
20180263212
2018-09-20

Temperature control system for remote water tanks

#40
20180252432
2018-09-06

Fluid-heating device and manufacturing method thereof

#41
20180238587
2018-08-23

Apparatus for managing hot water in a hot water storage tank heating system and associated method

#42
20180231258
2018-08-16

IMPROVEMENTS IN SYSTEMS FOR HEATING WATER

#43
20180209692
2018-07-26

Hot water tank

#44
20180172315
2018-06-21

Small thermostatic electric storage water heater for water supply terminal

#45
20180080683
2018-03-22

System and method for control of electric water heater

#46
20180073770
2018-03-15

Water heater controller

#47
20180038615
2018-02-08

Field configurable low water cut-offs

#48
20180017270
2018-01-18

IMPROVEMENTS IN FLUID STORAGE SYSTEMS

#49
20170350619
2017-12-07

Hot water storage device

#50
20170307252
2017-10-26

HOT WATER BARREL STRUCTURE FOR WATER DISPENSER

#51
20170261229
2017-09-14

AUTONOMOUS ENERGY SAVING DEVICE FOR WATER HEATERS

#52
20170184323
2017-06-29

Super-high-efficiency induction hot water heater

#53
20170102165
2017-04-13

APPARATUS AND METHOD FOR ELECTRIC HOT WATER HEATER PRIMARY FREQUENCY CONTROL

#54
20170059202
2017-03-02

HOT-WATER BOILER FOR HOT-WATER HEATING MAT

#55
20160255681
2016-09-01

Magnetic induction heat engine and heat pipe delivery system and methods of producing and delivering heat

#56
20160187027
2016-06-30

Method for managing the heating of water in a tank of a water heater

#57
20160040906
2016-02-11

HEAT PUMP WATER HEATER APPLIANCE

#58
20150377497
2015-12-31

Hot water energy conservation

#59
20150308713
2015-10-29

Device that eliminates the drainage of liquid during the changing of a heating element

#60
20150308712
2015-10-29

High capacity water heater

#61
20150300658
2015-10-22

Endothermic base-mounted heat pump water heater

#62
20150139630
2015-05-21

CONTROL SYSTEMS FOR RENEWABLE HOT WATER HEATING SYSTEMS

#63
20150110478
2015-04-23

HOT WATER HEATER WITH IN-TANK HEAT EXCHANGER TUBE

#64
20150104160
2015-04-16

Photovoltaic DC heater systems

#65
20150075141
2015-03-19

Container having a heating device for a tank for storing a liquid additive and motor vehicle having a tank

#66
20140117105
2014-05-01

WATER HEATING DEVICE WITH RAPID HEATING FUNCTION

#67
20140037275
2014-02-06

Methods of remotely managing water heating units in a water heater

#68
20130327022
2013-12-12

Device for generating ammonia

#69
20130322860
2013-12-05

Device for heating liquid and generating steam

#70
20130287373
2013-10-31

Endothermic base-mounted heat pump water heater

#71
20130266296
2013-10-10

Control systems for renewable hot water heating systems

#72
20120199570
2012-08-09

HEATING SYSTEM WITH IMPROVED EFFICIENCY

#73
20120128337
2012-05-24

Water heater tank with convex heads

#74
20120121237
2012-05-17

BI-HEATING WATER TANK

#75
20120061052
2012-03-15

HYDRONIC SYSTEM

#76
20110283993
2011-11-24

WATER HEATER WITH INSULATING LAYER

#77
20110127253
2011-06-02

Electric Heating Systems and Associated Methods

#78
20100290763
2010-11-18

MULTI-CHAMBER WATER HEATER

#79
20100183286
2010-07-22

Apparatus with expansion chamber providing large heat distribution

#80
20090178629
2009-07-16

Immerse resistant rust inhibiting water heater support with or without leveling capabilities

#81
20090126652
2009-05-21

Water heater and method of customizing the water heater

#82
20090074391
2009-03-19

Vertical water heater

#83
20060042470
2006-03-02

Multiple hot water dispensing system

#84
18932953
2025-11-04

Step modulating swing tank for heat pump water heater

#85
15346071
2019-02-26

Thermosiphon system for hot water heater