ClassID:

158745

F24H9/2021 - CPC Classification

Classification description:

Details; Arrangement or mounting of control or safety devices for water heaters using electrical energy supply Storage heaters

Recent Application in this class:
#1
20250230953
2025-07-17

MULTI-VOLTAGE WATER HEATER APPLIANCE

#2
20250137686
2025-05-01

SYSTEM AND METHOD FOR HEATING ELEMENT FAILURE DETECTION

#3
20250109888
2025-04-03

SYSTEM AND METHOD FOR WATER HEATER TWINNING

#4
20250109887
2025-04-03

WATER HEATER APPLIANCE AND HEAT TRANSFER ASSEMBLY

#5
20250075943
2025-03-06

BATTERY-INTEGRATED WATER HEATER SYSTEM AND METHOD

#6
20250043993
2025-02-06

WATER HEATER RELAY CONTACT WELD DETECTION AND MITIGATION

#7
20250035341
2025-01-30

SYSTEMS AND METHODS FOR ADJUSTING THERMOSTATS RELATIVE TO HEATING ELEMENTS

#8
20240377104
2024-11-14

HOT WATER SUPPLY APPARATUS

#9
20240328670
2024-10-03

WIFI/CLOUD ENABLED TEMPERATURE CONTROL SYSTEM

#10
20240328668
2024-10-03

CONVECTION-CONTROLLED STORAGE WATER HEATING

#11
20240328636
2024-10-03

ELECTRIC BOILER DEVICE BASED ON UTILIZATION OF RESIDUAL ENERGY OF ELEVATOR, AND CONTROL METHOD

#12
20240280293
2024-08-22

WATER HEATERS WITH REAL-TIME HOT WATER SUPPLY DETERMINATION

#13
20240240831
2024-07-18

Method and Controller to Operate a Domestic Hot Water System and Domestic Hot Water System

#14
20240183580
2024-06-06

Electronic Control System for Electric Water Heater

#15
20240151435
2024-05-09

Valve

#16
20240151434
2024-05-09

HOT WATER TANK AND FLOW THROUGH HEATING ASSEMBLY

#17
20240068710
2024-02-29

MAINTENANCE FREE LEAK STOP VALVE SYSTEMS AND METHODS OF USE THEREOF

#18
20240027100
2024-01-25

CONTROL METHOD OF HEATING DEVICE

#19
20240019173
2024-01-18

HOT WATER TANK WITH THERMAL MIXING VALVE

#20
20230392826
2023-12-07

HEATING SYSTEM

#21
20230324052
2023-10-12

Direct current electric on-demand water heater

#22
20230314044
2023-10-05

CONTROL OF AN ELECTRIC WATER HEATER BASED ON A TWO-MASS MODEL

#23
20230296288
2023-09-21

WATER HEATER WITH ELECTRONIC MIXING VALVE AND AUTOMATIC TANK SET POINT

#24
20230266041
2023-08-24

POWER ELECTRONICS ASSEMBLY AND DOMESTIC APPLIANCE

#25
20230116575
2023-04-13

Sensor system and integrated heater-sensor for measuring and controlling performance of a heater system

#26
20230112157
2023-04-13

Method and system for implementing advanced operating modes in electric resistance water heaters and heat pump water heaters

#27
20230024550
2023-01-26

Electric water heater having internal heat concentrator

#28
20230003435
2023-01-05

METHOD OF DEFROSTING A HEAT PUMP DEVICE AS WELL AS A HEAT PUMP DEVICE

#29
20220381450
2022-12-01

Water heaters with real-time hot water supply determination

#30
20220359807
2022-11-10

Dynamic equivalent circuit of combined heat and power system, and working method thereof

#31
20220341626
2022-10-27

Portable Cooling and Heating Container

#32
20220341600
2022-10-27

Heat pump water heater systems and methods thereto

#33
20220325917
2022-10-13

WIFI/CLOUD ENABLED TEMPERATURE CONTROL SYSTEM

#34
20220290898
2022-09-15

HEATING DEVICE COMPRISING A GAS SENSOR AND METHOD FOR OPERATION THEREOF

#35
20220260282
2022-08-18

Monitoring system for heated fluids

#36
20220252302
2022-08-11

Smart electric heating device

#37
20220235968
2022-07-28

Hot water tank with thermal mixing valve

#38
20220228772
2022-07-21

HEAT STORAGE SYSTEM

#39
20220214727
2022-07-07

WATER HEATERS WITH COMPUTING ELEMENTS AS A NETWORK

#40
20220214077
2022-07-07

WATER HEATER INLET FITTING, FLOW SENSOR, SHUT OFF VALVE AND DIFFUSER

#41
20220196286
2022-06-23

Retrofit cover plate and assembly to adapt alternative energy supplies to electric water heaters

#42
20220196249
2022-06-23

Hot water supply control system and method for domestic electric water heaters to prevent the risk of bacterial transfer

#43
20220163221
2022-05-26

Hybrid heat pump water heater systems and methods involving electric current, water temperature, and ambient temperature

#44
20220146147
2022-05-12

AIR HEATING AND POTABLE WATER SYSTEM HAVING A WATER HEATER AND A HYDRONIC AIR HANDLER

#45
20220113061
2022-04-14

ELECTRONIC TEMPERATURE LIMITING CONTROL

#46
20220089284
2022-03-24

System for providing temperature-controlled water in an aircraft

#47
20220074622
2022-03-10

SYNERGISTIC SYSTEM

#48
20220057111
2022-02-24

PREDICTING REMAINING USEFUL LIFE OF A WATER HEATER STORAGE TANK

#49
20220025666
2022-01-27

Hybrid heater

#50
20220018576
2022-01-20

Water heater appliances and methods of sabbath operation

#51
20220011792
2022-01-13

Water heater appliances and methods for controlling a mixing valve with a park period

#52
20220011017
2022-01-13

Field conversion electric water heater

#53
20220003456
2022-01-06

Hot water supply apparatus

#54
20210396428
2021-12-23

Systems and methods for integrating photovoltaic energy into water heater systems

#55
20210381723
2021-12-09

System and method for providing heated water to sabbath observers

#56
20210333016
2021-10-28

Method and system for securing temperature sensors on the outer surface of a tank of an electric water heater

#57
20210333015
2021-10-28

Methods to detect low hot water reserve condition

#58
20210310695
2021-10-07

HEATER TANK FOR HEAT PUMP SYSTEM AND METHOD FOR CONTROLLING HEATER TANK

#59
20210293451
2021-09-23

System and Method for Storage of Renewable Energy as Hot or Cold Water in Flexible Heating Tanks

#60
20210270494
2021-09-02

Electrically Heated Vessel

#61
20210270471
2021-09-02

Direct current electric on-demand water heater

#62
20210269926
2021-09-02

Systems and methods for monitoring cathodic protection degradation

#63
20210239328
2021-08-05

Water heater and control method therefor

#64
20210222911
2021-07-22

Liquid heater

#65
20210215394
2021-07-15

Water Heater Controller

#66
20210199344
2021-07-01

Electronic unlock feature

#67
20210199343
2021-07-01

WATER HEATER CONTROLLED BY FREQUENCY REGULATION OF INVERTER

#68
20210180829
2021-06-17

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

#69
20210140680
2021-05-13

Dry tank detection method for a water heater appliance

#70
20210123634
2021-04-29

WATER HEATER CONTROLLER AND METHODS FOR CONTROLLING WATER TEMPERATURE

#71
20210095894
2021-04-01

System and method for controlling water heater output temperature

#72
20210095892
2021-04-01

Temperature control for gas water heaters and related methods

#73
20210095891
2021-04-01

Water heater control system with powered anode rod

#74
20210063053
2021-03-04

Method for Monitoring the Energy Content of a Water Storage Tank System

#75
20210063052
2021-03-04

Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters

#76
20210033307
2021-02-04

Safety power connecting system and method for electric water heaters

#77
20200355373
2020-11-12

Heating devices to prevent bacteria proliferation in the lowermost region of a water holding tank of an electric water heater

#78
20200333045
2020-10-22

IMPROVED WATER HEATER CONTROL ARRANGEMENT AND ASSEMBLY

#79
20200309388
2020-10-01

Water heaters with real-time hot water supply determination

#80
20200292208
2020-09-17

Method and system for securing temperature sensors on the outer surface of a tank of an electric water heater

#81
20200292181
2020-09-17

Heating devices to prevent bacteria proliferation in the lowermost region of a water holding tank of an electric water heater

#82
20200292180
2020-09-17

Heating devices to prevent bacteria proliferation in the lowermost region of a water holding tank of an electric water heater

#83
20200270850
2020-08-27

Heated and chilled water dispenser

#84
20200268190
2020-08-27

A LIQUID HEATING APPLIANCE FOR MAKING A BEVERAGE AND ASSOCIATED METHOD, POWER MANAGEMENT SYSTEM AND MICROCONTROLLER READABLE MEDIUM

#85
20200263904
2020-08-20

Variable power water heater

#86
20200200402
2020-06-25

Intelligent water tank heating management system

#87
20200200400
2020-06-25

METHOD FOR DETERMINING A PREFERENTIAL MINIMUM POWER SET POINT, METHOD FOR CONTROLLING A PLURALITY OF WATER HEATERS AND ASSOCIATED DEVICE

#88
20200191439
2020-06-18

WIFI and cloud enabled temperature control system

#89
20200173690
2020-06-04

OUTDOOR UNIT OF HEAT PUMP WATER HEATER

#90
20200172247
2020-06-04

Solid state radio frequency (SSRF) water heater device

#91
20200154940
2020-05-21

Electronic control of a dual-stage water heater in a hot-beverage vending machine

#92
20200141611
2020-05-07

Electric Heating Element Having An Electrically Operated Heating Element And An Anode For Cathodic Corrosion Protection

#93
20200124321
2020-04-23

Hot water tank and flow through heating assembly

#94
20200123745
2020-04-23

System and method for controlling and monitoring bathroom water flow

#95
20200072502
2020-03-05

Method and system for heating water

#96
20200064023
2020-02-27

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

#97
20200056811
2020-02-20

Heating device and method for operating a heating device

#98
20200056806
2020-02-20

Hot Water Reservoir and Small Hot Water Reservoir

#99
20200049376
2020-02-13

Drain feature for a junction box of a water heater

#100
20200049354
2020-02-13

Method and apparatus for controlling water heater, water heater, and controlling system thereof

#101
20200041168
2020-02-06

System and method for control of electric water heater

#102
20200025417
2020-01-23

Method for Monitoring the Energy Content of a Water Storage Tank System

#103
20200025416
2020-01-23

BOOT FOR PREVENTING WATER INCURSION INTO A WATER HEATER

#104
20200018521
2020-01-16

Field conversion electric water heater

#105
20190368777
2019-12-05

Instant water heater

#106
20190353403
2019-11-21

Method of manufacturing an electromagnetic actuator for a gas powered water heater controller

#107
20190323731
2019-10-24

Electric water heater having a bypass

#108
20190301750
2019-10-03

HEAT PUMP USE APPARATUS

#109
20190285314
2019-09-19

Hot water tank with thermal mixing valve

#110
20190285313
2019-09-19

Regulating temperature and reducing buildup in a water heating system

#111
20190285312
2019-09-19

Water heater appliance and methods of operation

#112
20190277537
2019-09-12

Estimation of temperature states for an electric water heater from inferred resistance measurement

#113
20190264950
2019-08-29

POWER SUPPLY SYSTEM FOR AN ELECTRICALLY POWERED RESISTIVE ELEMENT

#114
20190249903
2019-08-15

Electronic control system for electric water heater

#115
20190212035
2019-07-11

System and method for accellerated heating of a fluid

#116
20190203978
2019-07-04

Mounting adaptor for mounting a sensor assembly to a water heater tank

#117
20190203977
2019-07-04

Method and system for monitoring powered anode drive level

#118
20190195533
2019-06-27

Leak detection system for water heaters

#119
20190178529
2019-06-13

Water boiler

#120
20190145634
2019-05-16

Hybrid heat pump water heaters

#121
20190137141
2019-05-09

Gas powered water heater controller and related methods

#122
20190137140
2019-05-09

METHOD AND APPARATUS FOR DETECTING AND COMPENSATING FOR SEDIMENT BUILD-UP IN TANK-STYLE WATER HEATERS

#123
20190107294
2019-04-11

Hot-water supply system, water heater, and control method for water heater

#124
20190093924
2019-03-28

WATER-PURIFYING DEVICE AND METHOD FOR CONTROLLING THE WATER-PURIFYING DEVICE

#125
20190086121
2019-03-21

System and method for operating a grid controlled water heater

#126
20190086102
2019-03-21

Hot-water supply unit and hot-water supply system

#127
20190072283
2019-03-07

Heating devices to prevent bacteria proliferation in the lowermost region of a water holding tank of an electric water heater

#128
20190070931
2019-03-07

Coolant heating device for vehicle

#129
20190067945
2019-02-28

Domestic energy generation installation and operating method for operating a domestic energy generation installation

#130
20190032958
2019-01-31

Sensor system and integrated heater-sensor for measuring and controlling performance of a heater system

#131
20190024943
2019-01-24

Water heater inlet fitting, flow sensor, shut off valve and diffuser

#132
20190024908
2019-01-24

Water heaters with real-time hot water supply determination

#133
20190003725
2019-01-03

HOT WATER CONTROLLER

#134
20180372376
2018-12-27

Electric hot water heater energy management

#135
20180361180
2018-12-20

Temperature controller

#136
20180313579
2018-11-01

HYBRID STORAGE SYSTEM AND METHOD OF OPERATING THE SAME

#137
20180313578
2018-11-01

CONTROL SYSTEMS FOR RENEWABLE HOT WATER HEATING SYSTEMS

#138
20180306465
2018-10-25

Heatable fluid bag

#139
20180283733
2018-10-04

Low water mechanical CSD-1 manual switch conversion to electro-mechanical switch

#140
20180266701
2018-09-20

SOLAR WATER HEATING SYSTEM

#141
20180252417
2018-09-06

WATER HEATER CONTROL SYSTEM AND STORAGE-TYPE ELECTRIC WATER HEATER

#142
20180245802
2018-08-30

Sabbath controller for a hot water tank

#143
20180231258
2018-08-16

IMPROVEMENTS IN SYSTEMS FOR HEATING WATER

#144
20180209692
2018-07-26

Hot water tank

#145
20180195764
2018-07-12

Electronic unlock feature

#146
20180172315
2018-06-21

Small thermostatic electric storage water heater for water supply terminal

#147
20180142921
2018-05-24

Electric water heater having dry fire protection capability

#148
20180135858
2018-05-17

Method of assembling pilot burner assembly

#149
20180135857
2018-05-17

Power generation system for gas-fired appliances

#150
20180119992
2018-05-03

Electrical water heater with a dual resistive heating element and a control method for energy management

#151
20180119991
2018-05-03

Electrical water heater with a dual resistive heating element and a control method for energy management

#152
20180106502
2018-04-19

Anode support and or locator device and method of assembly

#153
20180106501
2018-04-19

Electric water heater having integrated lock

#154
20180106483
2018-04-19

METHOD AND SYSTEM FOR CONTROLLING FREQUENCY OF VARIABLE-FREQUENCY COMPRESSOR IN HEAT PUMP WATER HEATER

#155
20180080684
2018-03-22

Safety power connecting system and method for electric water heaters

#156
20180080683
2018-03-22

System and method for control of electric water heater

#157
20180073770
2018-03-15

Water heater controller

#158
20180058723
2018-03-01

Method and apparatus for detecting and compensating for sediment build-up in tank-style water heaters

#159
20180051910
2018-02-22

Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters

#160
20180051907
2018-02-22

Electric water heater having internal heat concentrator

#161
20180038615
2018-02-08

Field configurable low water cut-offs

#162
20180010822
2018-01-11

Apparatus and methods for heating water with refrigerant and phase change material

#163
20170350619
2017-12-07

Hot water storage device

#164
20170314815
2017-11-02

Preheater for compressor

#165
20170261229
2017-09-14

AUTONOMOUS ENERGY SAVING DEVICE FOR WATER HEATERS

#166
20170248343
2017-08-31

Boiling water heater

#167
20170193794
2017-07-06

Water Heaters and Methods for Monitoring Anode Rod Depletion

#168
20170102165
2017-04-13

APPARATUS AND METHOD FOR ELECTRIC HOT WATER HEATER PRIMARY FREQUENCY CONTROL

#169
20170059208
2017-03-02

Electric water heater having dry fire protection capability

#170
20170059206
2017-03-02

Dual/multi energy gas water heater

#171
20170038093
2017-02-09

Device and system for quantifying the useful thermal energy available in a tank

#172
20170003052
2017-01-05

Hot water heating system controller and method of using the same

#173
20160363347
2016-12-15

Electric water heater having dry fire protection capability

#174
20160363344
2016-12-15

LIQUID HEATING DEVICE

#175
20160348944
2016-12-01

Water heater and method of operating the same

#176
20160342163
2016-11-24

Multi-tank water heater systems

#177
20160341449
2016-11-24

Electrochemical compressor utilizing a preheater

#178
20160320095
2016-11-03

Water heater and method of operating a water heater

#179
20160282013
2016-09-29

Pulsed power-based dry fire protection for electric water heaters

#180
20160265810
2016-09-15

System control for tank recovery

#181
20160258652
2016-09-08

Water heater and method of controlling a water heater

#182
20160216007
2016-07-28

Water heater demand side management system

#183
20160195284
2016-07-07

Water heater having a supplemental photovoltaic heating arrangement

#184
20160187027
2016-06-30

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

#185
20160178239
2016-06-23

Automatic set point detection for water heaters operating in a demand response

#186
20160178221
2016-06-23

Estimation of unknown states for an electric water heater with thermal stratification and use of same in demand response and condition-based maintenance

#187
20160169556
2016-06-16

Water heater control using external temperature sensor

#188
20160146505
2016-05-26

THERMOSTAT, WATER HEATER INCLUDING THE THERMOSTAT, AND METHOD OF CONTROLLING THE TEMPERATURE OF WATER IN A WATER TANK OF THE WATER HEATER

#189
20160138830
2016-05-19

Electrical water heater with a dual resistive heating element and a control method for energy management

#190
20160138813
2016-05-19

System for producing hot water

#191
20160116191
2016-04-28

Refrigeration cycle device

#192
20160084534
2016-03-24

Electrochemical compressor based heating element and hybrid hot water heater employing same

#193
20160084526
2016-03-24

Method for determining whether a water heater appliance is operating with a timer switch

#194
20160069362
2016-03-10

Aircraft hydraulic fluid heating system and method

#195
20160047572
2016-02-18

Smart energy controlled water heater

#196
20160040906
2016-02-11

HEAT PUMP WATER HEATER APPLIANCE

#197
20160010890
2016-01-14

Heat pump water heating system

#198
20160010879
2016-01-14

Electric water heater systems for power grids with distributed generation

#199
20150377496
2015-12-31

Heat pump water heater

#200
20150362215
2015-12-17

Pressure clamp adapter for mounting a thermistor on a thermostat control bracket

#201
20150354855
2015-12-10

Method for operating a water heater appliance

#202
20150330665
2015-11-19

Systems and methods for controlling gas powered appliances

#203
20150330664
2015-11-19

Systems and methods for controlling gas powered appliances

#204
20150330663
2015-11-19

Systems and methods for controlling gas powered appliances

#205
20150330662
2015-11-19

HEATING DEVICE AND METHOD FOR OPERATING THE SAME

#206
20150330632
2015-11-19

Gas flow controller for use in gas fired apparatus

#207
20150316264
2015-11-05

Pilot burner assembly and method of assembling same

#208
20150308712
2015-10-29

High capacity water heater

#209
20150300658
2015-10-22

Endothermic base-mounted heat pump water heater

#210
20150276267
2015-10-01

Modular control system and method for water heaters

#211
20150245425
2015-08-27

SEMI-INSTANTANEOUS MICROWAVE-INDUCED THERMO HEATER

#212
20150241087
2015-08-27

Gas-fired water heater with separable heat exchanger or detachably connected external water heater

#213
20150184889
2015-07-02

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

#214
20150159886
2015-06-11

HEAT PUMP WATER HEATER AND METHOD

#215
20150153071
2015-06-04

Method and system for buffering thermal energy and thermal energy buffer system

#216
20150144206
2015-05-28

Recirculating bath

#217
20150142202
2015-05-21

METHODS AND SYSTEMS FOR REMOTELY MANAGING WATER HEATING UNITS IN A WATER HEATER AND RELATED WATER HEATERS AND CIRCUITS

#218
20150139630
2015-05-21

CONTROL SYSTEMS FOR RENEWABLE HOT WATER HEATING SYSTEMS

#219
20150131978
2015-05-14

HOT WATER HEATER WITH BULKHEAD SCREW FITTING

#220
20150127184
2015-05-07

Water heater demand side management system

#221
20150104160
2015-04-16

Photovoltaic DC heater systems

#222
20150063793
2015-03-05

Hot water service monitoring

#223
20150053151
2015-02-26

FLUID FLOW SENSOR AND LOW FLOW CUT-OFF DEVICE

#224
20150013622
2015-01-15

Water heater appliance and a method for operating the same

#225
20140376899
2014-12-25

Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters

#226
20140363147
2014-12-11

Fixed (and selectively fixed) bypass pumpless combination instantaneous/storage water heater system

#227
20140334807
2014-11-13

Determining heating element and water heater status based on galvanic current

#228
20140321839
2014-10-30

SYSTEM, METHOD, AND APPARATUS FOR HEATING

#229
20140321838
2014-10-30

System and method for adjusting anode rod galvanic corrosion

#230
20140277816
2014-09-18

Water heater and method of operating a water heater

#231
20140262822
2014-09-18

Sacrificial anode control

#232
20140241708
2014-08-28

Electronic control system for electric water heater

#233
20140217188
2014-08-07

Method for operating a water heater appliance

#234
20140217187
2014-08-07

Method for operating a water heater appliance

#235
20140195067
2014-07-10

Method and system for use in controlling a pressure vessel

#236
20140190680
2014-07-10

Method and system for buffering thermal energy and thermal energy buffer system

#237
20140169773
2014-06-19

Method and system for operating a water heater appliance

#238
20140161430
2014-06-12

System and method for operating a water heater using an auxiliary power source

#239
20140156102
2014-06-05

DEVICE FOR THE HYBRID HEATING OF A FLUID OF A TANK

#240
20140144607
2014-05-29

Water heater and flow rate control method

#241
20140117105
2014-05-01

WATER HEATING DEVICE WITH RAPID HEATING FUNCTION

#242
20140112647
2014-04-24

Solar photovoltaic water heating system utilizing microprocessor control and water heater retrofit adaptor

#243
20140105584
2014-04-17

Methods of remotely managing water heating units in a water heater and related water heaters

#244
20140064716
2014-03-06

ELECTRIC BOILER CONTROL SYSTEM

#245
20140060457
2014-03-06

Method and apparatus for detecting and compensating for sediment build-up in tank-style water heaters

#246
20140053920
2014-02-27

FAIL SAFE HOT WATER TANK

#247
20140037275
2014-02-06

Methods of remotely managing water heating units in a water heater

#248
20140037274
2014-02-06

Pulsed power-based dry fire protection for electric water heaters

#249
20140027524
2014-01-30

Hot water supply system

#250
20140026970
2014-01-30

Electronic mixing valve in standard hot water heater

#251
20130327840
2013-12-12

Compensating for sensor thermal lag

#252
20130327313
2013-12-12

HIGH EFFICIENCY WATER HEATER

#253
20130327022
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Device for generating ammonia

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