ClassID:

158010

F24D19/1054 - CPC Classification

Classification description:

Details; Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump

Recent Application in this class:
#1
20250216090
2025-07-03

THERMAL STORAGE SYSTEM AND INFORMATION PROCESSING APPARATUS

#2
20250116426
2025-04-10

APPARATUS AND METHODS FOR HEATING WATER WITH REFRIGERANT FROM AIR CONDITIONING SYSTEM

#3
20250102153
2025-03-27

HOT-WATER SUPPLY APPARATUS

#4
20250075941
2025-03-06

On-Demand Heat Pump Water Heater

#5
20250027659
2025-01-23

HEAT PUMP APPARATUS

#6
20240426085
2024-12-26

METHOD FOR OPERATING A CIRCULATION SYSTEM, AND CIRCULATION SYSTEM

#7
20240310057
2024-09-19

Methods of configuring and controlling hot water supply installations

#8
20240201714
2024-06-20

Methods and systems and apparatus to support reduced energy and water usage

#9
20240102693
2024-03-28

HYBRID WATER HEATER

#10
20240102671
2024-03-28

Methods and systems for performing a heat pump defrost cycle

#11
20240093947
2024-03-21

Energy storage arrangement and installations

#12
20240093908
2024-03-21

Methods and systems for modulating energy usage

#13
20240093907
2024-03-21

Methods and systems for predictive heated water provision

#14
20240093885
2024-03-21

Reduced temperature water supply mode in a water provision system

#15
20240093884
2024-03-21

REDUCTION OF WATER/ENERGY WASTE IN A WATER PROVISION SYSTEM

#16
20240093882
2024-03-21

HOT WATER SUPPLY

#17
20240044549
2024-02-08

METHODS AND SYSTEMS AND APPARATUS TO SUPPORT REDUCED ENERGY AND WATER USAGE

#18
20240044547
2024-02-08

On-demand heat pump water heater

#19
20240044521
2024-02-08

METHODS AND SYSTEMS FOR PREDICTIVELY PREPARING WATER PROVISION SYSTEM

#20
20240044520
2024-02-08

Methods and systems and apparatus to support reduced energy and water usage

#21
20240044518
2024-02-08

Methods and systems for modulating energy usage

#22
20230375281
2023-11-23

ENERGY STORAGE ARRANGEMENTS AND INSTALLATIONS INCLUDING SUCH ENERGY STORAGE ARRANGEMENTS

#23
20230130061
2023-04-27

Method for operating a circulation system, and circulation system

#24
20230106610
2023-04-06

CONSTANT-TEMPERATURE WATER SUPPLY SYSTEM EMPLOYING CARBON DIOXIDE HEAT PUMP, AND CONTROL METHOD THEREFOR

#25
20230003395
2023-01-05

Heating system

#26
20220397306
2022-12-15

MONITORING AND CONTROLLING DOMESTIC HOT WATER PRODUCTION AND DISTRIBUTION

#27
20220373193
2022-11-24

Instantaneous hot water heat pump

#28
20220341600
2022-10-27

Heat pump water heater systems and methods thereto

#29
20220235945
2022-07-28

Hot water supply apparatus

#30
20220205647
2022-06-30

METHOD FOR OPERATING A TEMPERATURE-CONTROLLED CIRCULATION SYSTEM AND TEMPERATURE-CONTROLLED CIRCULATION SYSTEM

#31
20220196252
2022-06-23

Hot water unit supply control systems and methods

#32
20220163221
2022-05-26

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

#33
20220146147
2022-05-12

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

#34
20220074604
2022-03-10

Heating system

#35
20220057126
2022-02-24

WATER HEATER AND METHOD OF OPERATING SAME

#36
20220003456
2022-01-06

Hot water supply apparatus

#37
20210396397
2021-12-23

REFRIGERATING MACHINE, HOT WATER HEAT PUMP, OPERATING METHOD AND PROGRAM

#38
20210262708
2021-08-26

Heat pump and method for controlling operation of boiler based on temperature of fluid

#39
20210239328
2021-08-05

Water heater and control method therefor

#40
20210189701
2021-06-24

Method for operating a circulation system, and circulation system

#41
20210108829
2021-04-15

Apparatus and methods for heating water with refrigerant from air conditioning system

#42
20200400346
2020-12-24

Water heating apparatus and water heating system

#43
20200386444
2020-12-10

Hybrid water heater

#44
20200340686
2020-10-29

Hot Water System

#45
20200124293
2020-04-23

Heat pump boiler

#46
20200109882
2020-04-09

HEAT-STORAGE SYSTEM AND OPERATING METHOD OF HEAT-STORAGE SYSTEM

#47
20200072502
2020-03-05

Method and system for heating water

#48
20190360731
2019-11-28

Refrigerant transfer control in multi mode air conditioner with hot water generator

#49
20190338963
2019-11-07

Water heater with a heat pump device and method for controlling a heat pump device

#50
20190249901
2019-08-15

Apparatus for water temperature regulation

#51
20190249900
2019-08-15

Water thermoregulation device having an electric heat pump

#52
20190128565
2019-05-02

Hybrid water heater

#53
20190107294
2019-04-11

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

#54
20190086102
2019-03-21

Hot-water supply unit and hot-water supply system

#55
20190072284
2019-03-07

Heat-pump air-conditioning hot-water supply device

#56
20180328596
2018-11-15

Heat pump hot water supply apparatus

#57
20180283732
2018-10-04

Control device of water heating apparatus, water heating apparatus and control method thereof

#58
20180274793
2018-09-27

Water heater appliance with a cold water bypass

#59
20180252434
2018-09-06

Apparatus and methods for heating water with refrigerant from air conditioning system

#60
20180238561
2018-08-23

Heat pump water heater

#61
20180187903
2018-07-05

Fluid circulation type heating device provided with overpressure protection element

#62
20180156511
2018-06-07

Temperature-adjusting fluid supply apparatus

#63
20180106483
2018-04-19

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

#64
20180010822
2018-01-11

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

#65
20170276406
2017-09-28

Method to heat water in an electrical boiler, corresponding device and electrical boiler

#66
20170030594
2017-02-02

Fluid heating and/or cooling system and related methods

#67
20160320093
2016-11-03

Apparatus and methods for pre-heating water with air conditioning unit or heat pump

#68
20160238261
2016-08-18

Control of a pump to optimize heat transfer

#69
20160201929
2016-07-14

Heat pump water heater appliance and a method for operating the same

#70
20160097546
2016-04-07

HEAT PUMP WATER HEATER APPLIANCE

#71
20160069574
2016-03-10

HEAT PUMP WATER HEATER APPLIANCE AND A METHOD FOR OPERATING A HEAT PUMP WATER HEATER APPLIANCE

#72
20160061508
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#73
20160061502
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#74
20160010890
2016-01-14

Heat pump water heating system

#75
20150330675
2015-11-19

Heat pump system

#76
20150253049
2015-09-10

Heat pump water heater appliance and a method for operating the same

#77
20150241087
2015-08-27

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

#78
20150159960
2015-06-11

Heating apparatus

#79
20150159913
2015-06-11

Hot water supply system

#80
20150059379
2015-03-05

Feed water heating system

#81
20150040307
2015-02-12

System and method for controlling a heat pump for a swimming pool

#82
20140291411
2014-10-02

Heat pump heating and hot-water system

#83
20140283540
2014-09-25

Heat pump water module with condensing coil in water storage tank

#84
20140263682
2014-09-18

Retrofit hot water system and method

#85
20140260392
2014-09-18

Apparatus and methods for heating water with refrigerant from air conditioning system

#86
20140260358
2014-09-18

Apparatus and methods for pre-heating water with air conditioning unit or heat pump

#87
20140020637
2014-01-23

Apparatus for using cast-off heat to warm water from household water heater

#88
20130306301
2013-11-21

Heat pump apparatus and control method for heat pump apparatus

#89
20130219945
2013-08-29

Combined hot water supply and air-conditioning device

#90
20130205824
2013-08-15

Heat pump device

#91
20130145786
2013-06-13

Cooling and hot water supply system and cooling and hot water supply method

#92
20130133361
2013-05-30

Air-conditioning apparatus

#93
20130098102
2013-04-25

Heat pump system

#94
20130098096
2013-04-25

Heat pump system

#95
20130025309
2013-01-31

ENERGY-SAVING HOT WATER-HEATING DEVICE AND SYSTEM APPLICABLE TO THE SAME

#96
20120261102
2012-10-18

Thermosyphon heat recovery

#97
20120235478
2012-09-20

Operation planning method, and heat pump hot water supply and heating system operation method

#98
20120222631
2012-09-06

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

#99
20120205090
2012-08-16

Heat pump hot-water supply system

#100
20120145095
2012-06-14

Residential heat pump water heater

#101
20120144853
2012-06-14

SYMMETRICAL INTERMEDIATE STORAGE MEANS FOR HEAT PUMPS WITH CYCLICAL DRAINAGE INTO A MAIN SYSTEM

#102
20120111032
2012-05-10

Heat pump supply apparatus having a combined use with an air conditioner

#103
20120102991
2012-05-03

Heat pump type water heating apparatus

#104
20120090559
2012-04-19

Economically-operated, dual-energy hot water supply system and method of operating the same

#105
20120090341
2012-04-19

Water heater and control method therefor

#106
20120055177
2012-03-08

Air conditioner and control method thereof

#107
20110315091
2011-12-29

Hot-water supply system

#108
20110303165
2011-12-15

Hot-water supply system

#109
20100326111
2010-12-30

PLANT FOR PRODUCING SANITARY HOT WATER

#110
20100282435
2010-11-11

Air-conditioning hot-water supply complex system

#111
20100209084
2010-08-19

Residential heat pump water heater

#112
20100117843
2010-05-13

HEAT PUMP TYPE HOT WATER SUPPLY APPARATUS

#113
20090084329
2009-04-02

Malfunction detection device for hot water supplier

#114
20080230620
2008-09-25

Hot Water Supply Apparatus

#115
20060213209
2006-09-28

Heat-pump hot water supply apparatus

#116
20050155364
2005-07-21

Energy-efficient heat pump water heater

#117
20050150969
2005-07-14

Heat pump type water heater

#118
20050022542
2005-02-03

Heat pump hot water supply system of hot water storage type