ClassID:

157837

F24D3/18 - CPC Classification

Classification description:

Hot-water central heating systems using heat pumps

Recent Application in this class:
#1
20260153244
2026-06-04

AIR CONDITIONING SYSTEM USING HEAT PUMP AND AIR HEATING DEVICE

#2
20260139850
2026-05-21

RETROFIT KIT FOR AN EXISTING CENTRAL HEATING SYSTEM, AND METHOD FOR RETROFITTING AN EXISTING CENTRAL HEATING SYSTEM USING A RETROFIT KIT

#3
20260139847
2026-05-21

MULTI-SYSTEM WATER HEATER MODULE AND HEAT PUMP SYSTEM

#4
20260104038
2026-04-16

Geothermal Source Power Generation Plant with Computing Facility and Method

#5
20260029144
2026-01-29

PACKAGED MULTI-FUNCTIONAL AIR SOURCE HEAT PUMP INTEGRATED WITH A HYDRONIC LOOP FOR COOLING/HEATING ENERGY STORAGE

#6
20250354698
2025-11-20

IMPROVEMENTS TO HEATING SYSTEMS

#7
20250347427
2025-11-13

ENERGY STORAGE SYSTEM AND METHOD OF OPERATING SAME

#8
20250341318
2025-11-06

COMBINED SUPPLY SYSTEM, AND CONTROLLER AND CONTROL METHOD THEREFOR

#9
20250334277
2025-10-30

HEAT PUMP AND METHOD FOR CONTROLLING THE SAME

#10
20250244057
2025-07-31

HEAT PUMP, SYSTEMS, AND METHODS FOR OPERATING THE SAME

#11
20250244056
2025-07-31

ENERGY EFFICIENT HEATING/COOLING MODULE

#12
20250233768
2025-07-17

ELECTRICAL LOAD VALIDATION FOR A SMART SPACE IN A BUILDING

#13
20250198633
2025-06-19

BUILDING HEATING SYSTEM

#14
20250198632
2025-06-19

METHOD FOR RENEWING A BUILDING HEATING SYSTEM OF A BUILDING, AND RENEWED BUILDING HEATING SYSTEM

#15
20250164119
2025-05-22

SYSTEM AND METHOD FOR HEATING WATER

#16
20250109890
2025-04-03

CAPPING APPARATUS AND METHOD FOR IN-GROUND HEAT EXCHANGERS

#17
20250109863
2025-04-03

METHOD FOR OPERATING A HEAT GENERATOR

#18
20250102202
2025-03-27

MULTI-FEED CHILLER-HEATER PRODUCTION MODULE AND METHOD OF CONTROLLING THE SAME

#19
20250035320
2025-01-30

WATER HEATING SYSTEM AND A CONTROLLER THEREFOR

#20
20250020342
2025-01-16

OUTDOOR UNIT OF AIR CONDITIONER

#21
20250012456
2025-01-09

Submerged Condensers and Heat Pump Water Heaters Including Same

#22
20250003609
2025-01-02

CONDUIT MODULE COUPLED WITH HEATING OR COOLING MODULE

#23
20250003602
2025-01-02

METHOD AND SYSTEM FOR HEATING

#24
20240344717
2024-10-17

INTEGRATED HEAT MANAGEMENT FOR A BUILDING

#25
20240328632
2024-10-03

SYSTEM AND METHOD FOR PROVIDING DOMESTIC HOT WATER AND/OR SPACE HEATING WITHIN A BUILDING, AND A REMOVABLE COVER OF A STORAGE VESSEL

#26
20240255157
2024-08-01

HEATING SYSTEM

#27
20240210043
2024-06-27

AIR CONDITIONING SYSTEM USING HEAT PUMP AND AIR HEATING DEVICE

#28
20240200827
2024-06-20

HEATING SYSTEM

#29
20240151431
2024-05-09

HOT WATER SUPPLY TANK

#30
20240142116
2024-05-02

HEAT PUMP WITH SOLAR HEATING AND RADIATIVE COOLING

#31
20240110732
2024-04-04

Multi-feed chiller-heater production module and method of controlling the same

#32
20240102670
2024-03-28

METHOD FOR OPERATING A HEAT PUMP

#33
20240102669
2024-03-28

HEAT PUMP SYSTEM AND METHOD FOR OPERATING A HEAT PUMP SYSTEM

#34
20240093881
2024-03-21

GEOTHERMAL HEAT EXCHANGE RESERVOIRS AND RELATED METHODS AND SYSTEMS

#35
20240044550
2024-02-08

IMPROVEMENTS IN HEATING SYSTEMS

#36
20240044546
2024-02-08

WATER-TO-WATER, WATER SOURCE HEAT PUMP WITH DOMESTIC HOT WATER HEAT PRIORITY REFRIGERATION CIRCUIT

#37
20240044317
2024-02-08

Geothermal Source Power Generation Plant with Computing Facility and Method

#38
20240035706
2024-02-01

METHODS AND SYSTEMS FOR MODULATING ENERGY USAGE

#39
20230408111
2023-12-21

TEMPERATURE SET VERSUS ANOMALY DETECTION FOR A SMART SPACE IN A BUILDING

#40
20230388146
2023-11-30

Electrical load validation for a smart space in a building

#41
20230375198
2023-11-23

Conduit module coupled with heating or cooling module

#42
20230375193
2023-11-23

HOT-WATER SUPPLY AND HEATING SYSTEM

#43
20230341134
2023-10-26

Combined cooling, heating, and power system

#44
20230288105
2023-09-14

Heat pump and control method therefor

#45
20230266019
2023-08-24

A HEATING SYSTEM

#46
20230118895
2023-04-20

Efficiency for a heat extracting system and/or a heat depositing system

#47
20230089163
2023-03-23

A device for heating a room using underfloor heating

#48
20230065130
2023-03-02

AIR CONDITIONING SYSTEM

#49
20230042899
2023-02-09

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

#50
20220252326
2022-08-11

Defrosting control method, central controller and heating system

#51
20220235945
2022-07-28

Hot water supply apparatus

#52
20220235944
2022-07-28

Heat pump systems

#53
20220163241
2022-05-26

Hybrid multi-air conditioning system

#54
20220163219
2022-05-26

Submerged condensers and heat pump water heaters including same

#55
20220154974
2022-05-19

METHOD AND ARRANGEMENT

#56
20220136739
2022-05-05

Medium-deep non-interference geothermal heating system and method based on loose siltstone geology

#57
20220043412
2022-02-10

Integrated heat management for a building

#58
20220018480
2022-01-20

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

#59
20220003429
2022-01-06

Controlling power consumption in a thermal energy system

#60
20220003427
2022-01-06

Thermal energy extraction assembly

#61
20210381715
2021-12-09

Controlling of a thermal energy distribution system

#62
20210318038
2021-10-14

HEATING SYSTEM

#63
20210293452
2021-09-23

Wall mounted, concealed, water-to-water, water source heat pump with domestic hot water heat exchanger and storage tank

#64
20210278094
2021-09-09

Distributed heating and cooling network

#65
20210270252
2021-09-02

Geothermal source on-site power generation plant with computing facility and method

#66
20210239370
2021-08-05

Heat pump and method for controlling compressor based on operation of boiler

#67
20210239326
2021-08-05

Energy-saving system using electric heat pump to deeply recover flue gas waste heat from heat power plant for district heating

#68
20210231348
2021-07-29

Solar water heating system

#69
20210231319
2021-07-29

Combined heating and cooling system

#70
20210190328
2021-06-24

COMBINED HEATING AND COOLING SYSTEM

#71
20210148585
2021-05-20

Method of operating a heating and cooling system

#72
20210108804
2021-04-15

THERMODYNAMIC CO2 BOILER AND THERMAL COMPRESSOR

#73
20210088227
2021-03-25

District energy distributing system

#74
20200378618
2020-12-03

System for Heating and Cooling a Room Spaced from a Wall

#75
20200378617
2020-12-03

System for Heating and Cooling a Room

#76
20200378118
2020-12-03

System for heating and cooling a room with insulating layer

#77
20200370761
2020-11-26

Heat pump

#78
20200326077
2020-10-15

METHOD AND APPARATUS FOR INCREASING THE EFFICIENCY OF THE COGENERATION POWER PLANT BY THE HEAT PUMP PRINCIPLE UTILIZATION FOR INCREASING THE COOLANT INLET TEMPERATURE

#79
20200309383
2020-10-01

Heating and hot-water supply apparatus

#80
20200281152
2020-09-10

LIVESTOCK STALL SYSTEM

#81
20200277940
2020-09-03

Geothermal source on-site power generation plant with computing facility and method

#82
20200263881
2020-08-20

Heat pump system and method for controlling a heat pump system

#83
20200240649
2020-07-30

Method for constructing a water circulation device and scale removal device

#84
20200116438
2020-04-16

Systems and methods for exchanging thermal energy between a drain liquid and a source liquid for heating or cooling

#85
20200088336
2020-03-19

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

#86
20200003443
2020-01-02

System for conditioning air in a living space

#87
20190360731
2019-11-28

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

#88
20190331372
2019-10-31

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

#89
20190331346
2019-10-31

Heat pump device

#90
20190312510
2019-10-10

Converter device, motor drive device, refrigerator, air conditioner, and heat-pump water heater

#91
20190309993
2019-10-10

Thermal energy system and method of operation

#92
20190234653
2019-08-01

HEATING AND HOT WATER SUPPLY DEVICE

#93
20190219303
2019-07-18

Hot water heating systems and related methods

#94
20190211937
2019-07-11

Flow control valve and hydronic system

#95
20190154271
2019-05-23

Heating system

#96
20190101311
2019-04-04

Heat transfer and hydronic systems

#97
20190056152
2019-02-21

Heat pump

#98
20190049126
2019-02-14

Method of operating a heating and cooling system

#99
20180372337
2018-12-27

Cogeneration systems and methods for generating heating and electricity

#100
20180372334
2018-12-27

Cogeneration systems and methods for generating heating and electricity

#101
20180372333
2018-12-27

Cogeneration systems and methods for generating heating and electricity

#102
20180356130
2018-12-13

Cascading heat recovery using a cooling unit as a source

#103
20180347846
2018-12-06

Air conditioning apparatus

#104
20180335219
2018-11-22

Heat pump system and method for controlling a heat pump system

#105
20180328598
2018-11-15

Heat pump system and method for controlling a heat pump system

#106
20180328596
2018-11-15

Heat pump hot water supply apparatus

#107
20180306451
2018-10-25

THE REMOTE CONTROL OF NETWORKS OF HEAT-PUMP SYSTEMS FOR THE PURPOSE OF DEMAND SIDE MANAGEMENT

#108
20180209700
2018-07-26

Chiller plant with ice storage

#109
20180195763
2018-07-12

Hot water heating system and related methods

#110
20180195762
2018-07-12

Wall mounted, concealed, water-to-water, water source heat pump with domestic hot water heat exchanger and storage tank

#111
20180187928
2018-07-05

System and method for reusing waste heat of a transcritical refrigeration system

#112
20180172287
2018-06-21

Heating installation

#113
20180156511
2018-06-07

Temperature-adjusting fluid supply apparatus

#114
20180156474
2018-06-07

Heating installation

#115
20180120011
2018-05-03

Heating and cooling an environment with water heat exchanger

#116
20180023818
2018-01-25

Heat pump system

#117
20170370622
2017-12-28

Two-stage heating geothermal system using geothermal energy

#118
20170298866
2017-10-19

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

#119
20170248039
2017-08-31

Co-generation system and associated method

#120
20170184314
2017-06-29

HEAT PUMP HEATING SYSTEM

#121
20170130997
2017-05-11

HEAT PUMP SYSTEM

#122
20170081806
2017-03-23

Heating device

#123
20170045237
2017-02-16

Tank for energy recovery

#124
20170023263
2017-01-26

Heating and hot water supply system

#125
20160370122
2016-12-22

Electric power peak-shaving and combined heat and power waste heat recovery device and operation method thereof

#126
20160327284
2016-11-10

MODULAR HYDROTHERM AND OPERATION METHOD

#127
20160298860
2016-10-13

Air conditioning system, peripheral air-conditioning unit thereof and water pipeline upgrading method for heating purposes

#128
20160178219
2016-06-23

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

#129
20160123604
2016-05-05

Ground source heat pump integrated controller and method of achieving same

#130
20160116172
2016-04-28

Heating installation

#131
20160109138
2016-04-21

System for producing heat source for heating or electricity using medium/low temperature waste heat, and method for controlling the same

#132
20160061508
2016-03-03

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

#133
20160061502
2016-03-03

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

#134
20150354831
2015-12-10

Combined heating system capable of bi-directional heating

#135
20150338129
2015-11-26

Water heating apparatus

#136
20150308698
2015-10-29

Wall construction system and component thereof

#137
20150276236
2015-10-01

IMPROVEMENTS TO THERMODYNAMIC SOLAR HEAT TRANSFER SYSTEMS

#138
20150219365
2015-08-06

Thermal energy system and method of operation

#139
20150135750
2015-05-21

Hot and cold water air conditioning system

#140
20150121913
2015-05-07

Heat pump device that draws heat from both the atmosphere and another heat source

#141
20150114019
2015-04-30

Heat pump system using latent heat

#142
20150102120
2015-04-16

Method for adjusting the setpoint temperature of a heat transfer medium

#143
20150075214
2015-03-19

Liquefier for a heat pump and heat pump

#144
20150059392
2015-03-05

Multi-type air conditioner system

#145
20150034730
2015-02-05

Heating and hot water supply system

#146
20140291411
2014-10-02

Heat pump heating and hot-water system

#147
20140262146
2014-09-18

Cascading heat recovery using a cooling unit as a source

#148
20140223940
2014-08-14

Air-conditioning apparatus with temperature controlled pump operation

#149
20140190195
2014-07-10

Solar energy air conditioning system with storage capability

#150
20140174117
2014-06-26

Air conditioning apparatus

#151
20140150988
2014-06-05

Conduit module coupled with heating or cooling module

#152
20140116072
2014-05-01

Heat pump apparatus

#153
20140109611
2014-04-24

Heat pump water heater apparatus and heating and defrost operation, thereof

#154
20140041406
2014-02-13

Broadband heat pump system

#155
20130284818
2013-10-31

Heating system control method and heating system

#156
20130279116
2013-10-24

Apparatus and method for cooling and recovering heat from cables and transformers

#157
20130248609
2013-09-26

Heating system and method for controlling a heating system

#158
20130133345
2013-05-30

Air conditioner and method of operating an air conditioner

#159
20130098102
2013-04-25

Heat pump system

#160
20130098096
2013-04-25

Heat pump system

#161
20130074534
2013-03-28

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

#162
20130037236
2013-02-14

GEOTHERMAL FACILITY WITH THERMAL RECHARGING OF THE SUBSOIL

#163
20130014530
2013-01-17

HEAT RECOVERY SYSTEM

#164
20120324923
2012-12-27

Heat pump and method for controlling the same

#165
20120315562
2012-12-13

Complex power generation system and method for supplying heated water thereof

#166
20120291468
2012-11-22

Air conditioning system

#167
20120280052
2012-11-08

Hot-water heat pump and method of controlling the same

#168
20120279237
2012-11-08

Auxiliary heater control device, heated fluid utilization system, and auxiliary heater control method

#169
20120247721
2012-10-04

WALL ASSEMBLY WITH PHOTOVOLTAIC PANEL

#170
20120216552
2012-08-30

System and method for controlling an absorption chiller configured to simultaneously produce cooling and heating

#171
20120210732
2012-08-23

Arrangement for air conditioning rooms and heat pump unit for use in the arrangement

#172
20120192582
2012-08-02

Heat pump interoperating hot water feeding apparatus

#173
20120125029
2012-05-24

MODULAR MULTI-ENERGY THERMODYNAMIC DEVICE

#174
20120043390
2012-02-23

Heat pump

#175
20120042673
2012-02-23

HEAT PUMP

#176
20120029707
2012-02-02

SUPPLY WATER TEMPERATURE CONTROL APPARATUS AND METHOD THEREOF

#177
20120018129
2012-01-26

TEMPERATURE ADJUSTING APPARATUS, FLUID SUPPLY SYSTEM, HEATING SYSTEM, INSTALLATION METHOD OF TEMPERATURE ADJUSTING APPARATUS, AND FLUID SUPPLY METHOD

#178
20120000236
2012-01-05

HEAT PUMP HEATING SYSTEM

#179
20110308268
2011-12-22

Geothermal Exchange Module and a Method of use with an Augmented Water Temperature System

#180
20110302949
2011-12-15

Heat pump system

#181
20110302948
2011-12-15

Heat pump system

#182
20110302947
2011-12-15

HEAT PUMP SYSTEM

#183
20110302941
2011-12-15

Air-conditioning apparatus

#184
20110296861
2011-12-08

Heat pump system

#185
20110290328
2011-12-01

Controlling a heating/cooling system

#186
20110289950
2011-12-01

Hot water supply apparatus associated with heat pump

#187
20110283726
2011-11-24

HOT WATER SUPPLY DEVICE ASSOCIATED WITH HEAT PUMP AND METHOD FOR CONTROLLING THE SAME

#188
20110259027
2011-10-27

Heat pump type hot water supply apparatus

#189
20110259025
2011-10-27

HEAT PUMP TYPE SPEED HEATING APPARATUS

#190
20110209849
2011-09-01

ARRANGEMENT AND METHOD FOR UTILIZING THE HEAT BUILT UP ON PHOTOVOLTAIC SYSTEMS OF DOMESTIC INSTALLATIONS

#191
20110154848
2011-06-30

HEAT PUMP-TYPE COOLING/HEATING SYSTEM

#192
20110146950
2011-06-23

Radiation heat exchanging air conditioning system and radiation heat exchanging ceiling thereof

#193
20110126563
2011-06-02

ABSORPTION CHILLER AND SYSTEM INCORPORATING THE SAME

#194
20110120179
2011-05-26

HEAT PUMP TYPE COOLING/HEATING APPARATUS

#195
20110107789
2011-05-12

Liquefier for a heat pump and heat pump

#196
20110072840
2011-03-31

Heat pump apparatus using supercooling degree to control expansion valve

#197
20110042471
2011-02-24

Indoor environment regulating system

#198
20110036110
2011-02-17

REFRIGERATION APPARATUS

#199
20110016898
2011-01-27

HEATER

#200
20110016897
2011-01-27

AIR CONDITIONING-HOT WATER SUPPLY COMBINED SYSTEM

#201
20110011943
2011-01-20

HEATING INSTALLATION AND METHOD FOR CONTROLLING THE HEATING INSTALLATION

#202
20110011558
2011-01-20

THERMAL CONDUCTIVITY PIPE FOR GEOTHERMAL APPLICATIONS

#203
20110005253
2011-01-13

Absorption heat pump with a thermally insulating dividing wall

#204
20100294456
2010-11-25

GEOTHERMAL HEAT PUMP SYSTEM

#205
20100293982
2010-11-25

Heating and air-conditioning installation with a heat pump, the installation including at least one heat transfer fluid distributor unit with coupling to a plurality of heat collection and delivery circuits

#206
20100252228
2010-10-07

Geothermal System

#207
20100243202
2010-09-30

HOT WATER CIRCULATION SYSTEM ASSOCIATED WITH HEAT PUMP

#208
20100236261
2010-09-23

METHOD FOR UTILIZING HEAT OF COMPRESSION

#209
20100230072
2010-09-16

GEOTHERMAL SYSTEM FOR HEATING A HOME OR BUILDING

#210
20100193156
2010-08-05

LIQUID CIRCULATION HEATING SYSTEM AND METHOD OF CONTROLLING THE SAME

#211
20100192606
2010-08-05

Liquid circulation heating system

#212
20100115978
2010-05-13

HEAT PUMP SYSTEM AND METHOD FOR PUMPING LIQUIDS

#213
20100101767
2010-04-29

HEAT PUMP TYPE HOT WATER SUPPLY APPARATUS

#214
20100101506
2010-04-29

HEAT PUMP TYPE HOT WATER SUPPLY APPARATUS AND HEATING AND HOT WATER SUPPLY APPARATUS

#215
20100077779
2010-04-01

AIR-SOURCE HEAT PUMP

#216
20100025488
2010-02-04

Hot water circulation system associated with heat pump

#217
20090255646
2009-10-15

Heat pump system

#218
20090250203
2009-10-08

Hot water supply apparatus

#219
20090145149
2009-06-11

Hot water supply and air conditioning system using COheat pump

#220
20090120606
2009-05-14

Double DX Hydronic System

#221
20090032760
2009-02-05

ROTATIONAL MULTI VANE POSITIVE DISPLACEMENT VALVE FOR USE WITH A SOLAR AIR CONDITIONING SYSTEM

#222
20080216497
2008-09-11

Method and apparatus for improving the efficiency of a heat pump HVAC system

#223
20080196431
2008-08-21

Heating installation and heating method

#224
20070280784
2007-12-06

Floating structure in the shape of a concrete cofferdam and a method for moulding the concrete cofferdam

#225
20050252226
2005-11-17

Heating/cooling system

#226
18606109
2025-03-18

Building heating system