ClassID:

158040

F24D2200/123 - CPC Classification

Classification description:

Heat sources or energy sources; Heat pump Compression type heat pumps

Recent Application in this class:
#1
20250334277
2025-10-30

HEAT PUMP AND METHOD FOR CONTROLLING THE SAME

#2
20250244057
2025-07-31

HEAT PUMP, SYSTEMS, AND METHODS FOR OPERATING THE SAME

#3
20250216110
2025-07-03

AIR CONDITIONING DEVICE

#4
20250129947
2025-04-24

SYSTEM AND METHOD FOR HEATING OR COOLING EMPLOYING HEAT PUMP

#5
20250116426
2025-04-10

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

#6
20250060112
2025-02-20

MULTI-HEATER HEATING SYSTEM

#7
20250052431
2025-02-13

A HEATING SYSTEM THAT PRODUCES HEAT FROM A SOURCE OF ROTATIONAL MOTION

#8
20240288178
2024-08-29

THERMOELECTRIC BATTERY SYSTEM AND METHODS THEREOF

#9
20240151431
2024-05-09

HOT WATER SUPPLY TANK

#10
20240142116
2024-05-02

HEAT PUMP WITH SOLAR HEATING AND RADIATIVE COOLING

#11
20240102693
2024-03-28

HYBRID WATER HEATER

#12
20230288076
2023-09-14

HYBRID HEAT SYSTEM, THE CAPACITY ALLOCATION CONTROL METHOD THEREOF, READABLE STORAGE MEDIUM AND CONTROL SYSTEM

#13
20230134566
2023-05-04

Heat recovery apparatus and methods of increasing energy efficiency of hybrid heating systems using the apparatus

#14
20230042899
2023-02-09

Heat pump system and method for operating a heat pump system of this type

#15
20220252326
2022-08-11

Defrosting control method, central controller and heating system

#16
20220228772
2022-07-21

HEAT STORAGE SYSTEM

#17
20220221199
2022-07-14

Heat pump system

#18
20220196252
2022-06-23

Hot water unit supply control systems and methods

#19
20220074604
2022-03-10

Heating system

#20
20220018480
2022-01-20

Controller, method of operating a water source heat pump and a water source heat pump

#21
20220003427
2022-01-06

Thermal energy extraction assembly

#22
20210318038
2021-10-14

HEATING SYSTEM

#23
20210262708
2021-08-26

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

#24
20210262655
2021-08-26

SUPPLY-WATER WARMING SYSTEM

#25
20210239328
2021-08-05

Water heater and control method therefor

#26
20210108829
2021-04-15

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

#27
20210088227
2021-03-25

District energy distributing system

#28
20200400319
2020-12-24

Hot water supply apparatus

#29
20200386444
2020-12-10

Hybrid water heater

#30
20200309385
2020-10-01

Self-powered water heater

#31
20200309384
2020-10-01

Method and apparatus for reduction of water re-evaporation in a dedicated dehumidifier/water heater

#32
20200263881
2020-08-20

Heat pump system and method for controlling a heat pump system

#33
20200240649
2020-07-30

Method for constructing a water circulation device and scale removal device

#34
20200088336
2020-03-19

Controller, method of operating a water source heat pump and a water source heat pump

#35
20200041144
2020-02-06

Heat source system controlling device, heat source system, heat source system controlling method, and heat source system controlling program

#36
20190353355
2019-11-21

Hybrid fossil fuel-electric multi-function heat pump

#37
20190331372
2019-10-31

Multi-staged water manifold system for a water source heat pump

#38
20190309993
2019-10-10

Thermal energy system and method of operation

#39
20190264927
2019-08-29

Indoor unit for heat pump use apparatus and heat pump use apparatus including the same

#40
20190257540
2019-08-22

Method for controlling heat transfer between a local cooling system and a local heating system

#41
20190249901
2019-08-15

Apparatus for water temperature regulation

#42
20190249900
2019-08-15

Water thermoregulation device having an electric heat pump

#43
20190226735
2019-07-25

Phase change material-based enhancement for reversed-cycle defrosting in vapour compression refrigeration systems

#44
20190195513
2019-06-27

Photovoltaic-assisted heat pump water heater system and method

#45
20190128565
2019-05-02

Hybrid water heater

#46
20190086102
2019-03-21

Hot-water supply unit and hot-water supply system

#47
20190055932
2019-02-21

Thermodynamic boiler with thermal compressor

#48
20180335219
2018-11-22

Heat pump system and method for controlling a heat pump system

#49
20180328598
2018-11-15

Heat pump system and method for controlling a heat pump system

#50
20180252434
2018-09-06

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

#51
20180238561
2018-08-23

Heat pump water heater

#52
20180209689
2018-07-26

Heat utilizing apparatus

#53
20180156474
2018-06-07

Heating installation

#54
20180080660
2018-03-22

Method and apparatus for reduction of water re-evaporation in a dedicated dehumidifier/water heater

#55
20180031275
2018-02-01

HVAC furnace condensate removal system

#56
20180010822
2018-01-11

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

#57
20170370622
2017-12-28

Two-stage heating geothermal system using geothermal energy

#58
20170298866
2017-10-19

METHOD AND APPARATUS FOR COGENERATION POWER PLANT WASTE HEAT SOURCE UTILIZATION BY INCORPORATED WATER SOURCE HIGH TEMPERATURE HEAT PUMP

#59
20170248373
2017-08-31

Plate heat exchanger and heat pump outdoor unit

#60
20170234550
2017-08-17

Combined hot water and air heating and conditioning system including heat pump

#61
20170219220
2017-08-03

Heat pump and heat exchanger heating system for a domestic hot water tank

#62
20170067652
2017-03-09

Hybrid heat pump system

#63
20160370017
2016-12-22

Thermal Connection Of A Geothermal Source To A District Heating Network

#64
20160341434
2016-11-24

Air conditioning system

#65
20160320093
2016-11-03

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

#66
20160195311
2016-07-07

Heat pump system, heat pump unit using the same, and method for controlling multiple functional modes thereof

#67
20160178219
2016-06-23

Combined hot water and space heating and conditioning system including heat pump

#68
20160123604
2016-05-05

Ground source heat pump integrated controller and method of achieving same

#69
20160116172
2016-04-28

Heating installation

#70
20160033166
2016-02-04

Thermal recovery system and method

#71
20160003506
2016-01-07

Systems and methods for recovering energy from wastewater

#72
20150377496
2015-12-31

Heat pump water heater

#73
20150338129
2015-11-26

Water heating apparatus

#74
20150292810
2015-10-15

Thermal energy storage system comprising a combined heating and cooling machine and a method for using the thermal energy storage system

#75
20150292809
2015-10-15

Method for operating an arrangement for storing thermal energy

#76
20150219365
2015-08-06

Thermal energy system and method of operation

#77
20150219343
2015-08-06

Air conditioning system

#78
20150219342
2015-08-06

Air conditioning system

#79
20150198338
2015-07-16

Energy exchange system and method

#80
20150184889
2015-07-02

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

#81
20150159885
2015-06-11

Solar energy system

#82
20150135750
2015-05-21

Hot and cold water air conditioning system

#83
20150135744
2015-05-21

Combination air and ground source heating and/or cooling system

#84
20150090803
2015-04-02

Air conditioning system

#85
20150059379
2015-03-05

Feed water heating system

#86
20150047579
2015-02-19

Heat recovery

#87
20150040307
2015-02-12

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

#88
20150027144
2015-01-29

Air conditioner and control method thereof

#89
20140299305
2014-10-09

Heat exchanger with differentiated resistance flowpaths

#90
20140263682
2014-09-18

Retrofit hot water system and method

#91
20140262134
2014-09-18

HVAC system remote monitoring and diagnosis

#92
20140260392
2014-09-18

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

#93
20140260358
2014-09-18

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

#94
20140223940
2014-08-14

Air-conditioning apparatus with temperature controlled pump operation

#95
20140196485
2014-07-17

Method for controlling a thermal storage heat pump system

#96
20140137591
2014-05-22

Domestic hot water delivery system

#97
20140020637
2014-01-23

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

#98
20130248609
2013-09-26

Heating system and method for controlling a heating system

#99
20130219945
2013-08-29

Combined hot water supply and air-conditioning device

#100
20130205824
2013-08-15

Heat pump device

#101
20130133361
2013-05-30

Air-conditioning apparatus

#102
20130074534
2013-03-28

Multi-staged water manifold system for a water source heat pump

#103
20130025300
2013-01-31

Heat pump water heater

#104
20120325428
2012-12-27

ARRANGEMENT FOR TRANSFERRING AND UTILIZING HEAT ENERGY

#105
20120312043
2012-12-13

HEAT PUMP AND CONTROL METHOD THEREOF

#106
20120291468
2012-11-22

Air conditioning system

#107
20120186278
2012-07-26

Hot water storage type hot water supply system and operation method of the same

#108
20120180508
2012-07-19

Air-conditioning hot-water supply system, and heat pump unit

#109
20120111034
2012-05-10

Heat exchange assembly with integrated heater

#110
20120102991
2012-05-03

Heat pump type water heating apparatus

#111
20120067860
2012-03-22

Water heater with power consumption reporting

#112
20120055178
2012-03-08

HEAT PUMP APPARATUS AND METHOD FOR CONTROLLING REGULATING VALVE

#113
20120055177
2012-03-08

Air conditioner and control method thereof

#114
20110302941
2011-12-15

Air-conditioning apparatus

#115
20110284193
2011-11-24

HEAT EXCHANGER

#116
20110218683
2011-09-08

Hybrid heating system

#117
20110132740
2011-06-09

Method for evaporation and possible distillation of fluids using a heat pump

#118
20100257882
2010-10-14

Hybrid water heating system

#119
20100243202
2010-09-30

HOT WATER CIRCULATION SYSTEM ASSOCIATED WITH HEAT PUMP

#120
20100031953
2010-02-11

Hybrid Water Heating System

#121
20090183853
2009-07-23

Solar-Powered Cooling and Heating System Using a Structured Water Wall

#122
20070246555
2007-10-25

Heat Conveyance System