ClassID:

235016

Y02B30/12 - CPC Classification

Classification description:

Energy efficient heating, ventilation or air conditioning [HVAC] Hot water central heating systems using heat pumps

Sub-classes:
Recent Application in this class:
#1
20250116426
2025-04-10

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

#2
20250003609
2025-01-02

CONDUIT MODULE COUPLED WITH HEATING OR COOLING MODULE

#3
20240044546
2024-02-08

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

#4
20230375198
2023-11-23

Conduit module coupled with heating or cooling module

#5
20220025666
2022-01-27

Hybrid heater

#6
20220018480
2022-01-20

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

#7
20210293452
2021-09-23

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

#8
20210148585
2021-05-20

Method of operating a heating and cooling system

#9
20210108829
2021-04-15

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

#10
20210088227
2021-03-25

District energy distributing system

#11
20200340663
2020-10-29

Feed water supplementary thermal exchange apparatus, system and method

#12
20200263881
2020-08-20

Heat pump system and method for controlling a heat pump system

#13
20200217518
2020-07-09

Energy storage systems

#14
20200088336
2020-03-19

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

#15
20190360225
2019-11-28

Hybrid heater

#16
20190331372
2019-10-31

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

#17
20190309993
2019-10-10

Thermal energy system and method of operation

#18
20190219303
2019-07-18

Hot water heating systems and related methods

#19
20190154271
2019-05-23

Heating system

#20
20190113252
2019-04-18

Air conditioning apparatus for efficient supply air temperature control

#21
20190107294
2019-04-11

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

#22
20190101311
2019-04-04

Heat transfer and hydronic systems

#23
20190049126
2019-02-14

Method of operating a heating and cooling system

#24
20190024947
2019-01-24

Building designs and heating and cooling systems

#25
20180356130
2018-12-13

Cascading heat recovery using a cooling unit as a source

#26
20180335219
2018-11-22

Heat pump system and method for controlling a heat pump system

#27
20180328598
2018-11-15

Heat pump system and method for controlling a heat pump system

#28
20180313586
2018-11-01

Heat pump-type heating device

#29
20180252434
2018-09-06

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

#30
20180195763
2018-07-12

Hot water heating system and related methods

#31
20180195762
2018-07-12

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

#32
20180195741
2018-07-12

Energy storage systems

#33
20180187928
2018-07-05

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

#34
20180172287
2018-06-21

Heating installation

#35
20180156511
2018-06-07

Temperature-adjusting fluid supply apparatus

#36
20180156474
2018-06-07

Heating installation

#37
20180120011
2018-05-03

Heating and cooling an environment with water heat exchanger

#38
20180119998
2018-05-03

REFRIGERATION CYCLE APPARATUS

#39
20180119981
2018-05-03

INTEGRATED VENTILATION UNIT

#40
20180023818
2018-01-25

Heat pump system

#41
20180003417
2018-01-04

HEAT PUMP AND METHOD FOR PUMPING HEAT IN A FREE COOLING MODE

#42
20170342732
2017-11-30

Hybrid heater

#43
20170336109
2017-11-23

Heat pump and method for pumping heat in a free cooling mode

#44
20170089617
2017-03-30

Gas heat-pump system

#45
20160341434
2016-11-24

Air conditioning system

#46
20160329844
2016-11-10

Motor control device

#47
20160320093
2016-11-03

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

#48
20160320079
2016-11-03

Open absorption cycle for combined dehumidification, water heating, and evaporative cooling

#49
20160298873
2016-10-13

Energy transmission system and a cooking vessel

#50
20160298860
2016-10-13

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

#51
20160216011
2016-07-28

Heat pump hot-water supply device and method for controlling a heat pump hot-water supply device

#52
20160201929
2016-07-14

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

#53
20160109162
2016-04-21

Refrigeration cycle apparatus

#54
20160097573
2016-04-07

Damper valve and a heat pump water heater appliance

#55
20160061508
2016-03-03

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

#56
20160061502
2016-03-03

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

#57
20160033166
2016-02-04

Thermal recovery system and method

#58
20150368921
2015-12-24

Hybrid heater

#59
20150219365
2015-08-06

Thermal energy system and method of operation

#60
20150198350
2015-07-16

Integrated ventilation unit

#61
20150144206
2015-05-28

Recirculating bath

#62
20150135750
2015-05-21

Hot and cold water air conditioning system

#63
20150121929
2015-05-07

Motor incorporating power converter, and air conditioner, water heater, and ventilation blower incorporating the motor

#64
20150114316
2015-04-30

Heat pump water heater with heat utilization balance processor and heat utilization balance processor thereof

#65
20150114019
2015-04-30

Heat pump system using latent heat

#66
20150075214
2015-03-19

Liquefier for a heat pump and heat pump

#67
20150068228
2015-03-12

Heat pump and method for pumping heat in a free cooling mode

#68
20150064408
2015-03-05

Method for manufacturing shaped product with maintained isotrophy

#69
20150059392
2015-03-05

Multi-type air conditioner system

#70
20150034730
2015-02-05

Heating and hot water supply system

#71
20140326004
2014-11-06

Method for managing a refrigerant charge in a multi-purpose HVAC system

#72
20140260392
2014-09-18

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

#73
20140260358
2014-09-18

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

#74
20140245768
2014-09-04

Co-fired absorption system generator

#75
20140223940
2014-08-14

Air-conditioning apparatus with temperature controlled pump operation

#76
20130279116
2013-10-24

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

#77
20130248609
2013-09-26

Heating system and method for controlling a heating system

#78
20130233509
2013-09-12

Portable open-loop wellwater source heat pump for standalone and duct-connected installation

#79
20130219945
2013-08-29

Combined hot water supply and air-conditioning device

#80
20130167564
2013-07-04

Air conditioning apparatus for efficient supply air temperature control

#81
20130133345
2013-05-30

Air conditioner and method of operating an air conditioner

#82
20130098096
2013-04-25

Heat pump system

#83
20130074534
2013-03-28

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

#84
20130037236
2013-02-14

GEOTHERMAL FACILITY WITH THERMAL RECHARGING OF THE SUBSOIL

#85
20130025301
2013-01-31

Hot water supply system control apparatus and hot water supply system control program and hot water supply system operating method

#86
20130014530
2013-01-17

HEAT RECOVERY SYSTEM

#87
20120324923
2012-12-27

Heat pump and method for controlling the same

#88
20120315562
2012-12-13

Complex power generation system and method for supplying heated water thereof

#89
20120297806
2012-11-29

Heat pump system

#90
20120291468
2012-11-22

Air conditioning system

#91
20120280052
2012-11-08

Hot-water heat pump and method of controlling the same

#92
20120279681
2012-11-08

District Energy Sharing System

#93
20120279237
2012-11-08

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

#94
20120272948
2012-11-01

Heat storage system

#95
20120255507
2012-10-11

Hot water supply system

#96
20120247721
2012-10-04

WALL ASSEMBLY WITH PHOTOVOLTAIC PANEL

#97
20120247134
2012-10-04

Heat pump with integral solar collector

#98
20120245739
2012-09-27

System and method for maintaining air temperature within a building HVAC system

#99
20120227926
2012-09-13

ENERGY STORAGE SYSTEMS

#100
20120222631
2012-09-06

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

#101
20120216552
2012-08-30

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

#102
20120210732
2012-08-23

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

#103
20120192582
2012-08-02

Heat pump interoperating hot water feeding apparatus

#104
20120180984
2012-07-19

Heat-accumulating hot-water-supplying air conditioner

#105
20120180982
2012-07-19

Heat pump system having a pre-processing module

#106
20120180511
2012-07-19

Energy system with a heat pump

#107
20120180508
2012-07-19

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

#108
20120180505
2012-07-19

Heat pump system having a pre-processing module

#109
20120145095
2012-06-14

Residential heat pump water heater

#110
20120125029
2012-05-24

MODULAR MULTI-ENERGY THERMODYNAMIC DEVICE

#111
20120111032
2012-05-10

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

#112
20120067300
2012-03-22

Heating or cooling system featuring a split buffer tank

#113
20120055177
2012-03-08

Air conditioner and control method thereof

#114
20120043390
2012-02-23

Heat pump

#115
20120042673
2012-02-23

HEAT PUMP

#116
20120036876
2012-02-16

Heat pump system

#117
20120029707
2012-02-02

SUPPLY WATER TEMPERATURE CONTROL APPARATUS AND METHOD THEREOF

#118
20120018129
2012-01-26

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

#119
20120000236
2012-01-05

HEAT PUMP HEATING SYSTEM

#120
20110315093
2011-12-29

Fluid heating system, fluid heating method, fluid heating control system, control apparatus, and control method

#121
20110315091
2011-12-29

Hot-water supply system

#122
20110314848
2011-12-29

Combined air-conditioning and hot-water supply system

#123
20110308268
2011-12-22

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

#124
20110308265
2011-12-22

Integrated ventilation unit

#125
20110303165
2011-12-15

Hot-water supply system

#126
20110302949
2011-12-15

Heat pump system

#127
20110302948
2011-12-15

Heat pump system

#128
20110302947
2011-12-15

HEAT PUMP SYSTEM

#129
20110302941
2011-12-15

Air-conditioning apparatus

#130
20110296861
2011-12-08

Heat pump system

#131
20110296860
2011-12-08

Heat pump system

#132
20110290328
2011-12-01

Controlling a heating/cooling system

#133
20110289952
2011-12-01

HOT WATER SUPPLY APPARATUS ASSOCIATED WITH HEAT PUMP

#134
20110289950
2011-12-01

Hot water supply apparatus associated with heat pump

#135
20110283726
2011-11-24

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

#136
20110283725
2011-11-24

Hot water supply apparatus associated with heat pump

#137
20110277745
2011-11-17

Heating apparatus using solar energy and method of heating using solar energy

#138
20110259027
2011-10-27

Heat pump type hot water supply apparatus

#139
20110259025
2011-10-27

HEAT PUMP TYPE SPEED HEATING APPARATUS

#140
20110253927
2011-10-20

Compositions comprising E-1,2-difluoroethylene and uses thereof

#141
20110252801
2011-10-20

Compositions comprising Z-1,2-difluoroethylene and uses thereof

#142
20110209849
2011-09-01

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

#143
20110154848
2011-06-30

HEAT PUMP-TYPE COOLING/HEATING SYSTEM

#144
20110146950
2011-06-23

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

#145
20110126563
2011-06-02

ABSORPTION CHILLER AND SYSTEM INCORPORATING THE SAME

#146
20110120179
2011-05-26

HEAT PUMP TYPE COOLING/HEATING APPARATUS

#147
20110108233
2011-05-12

Heating and cooling network for buildings

#148
20110107789
2011-05-12

Liquefier for a heat pump and heat pump

#149
20110072840
2011-03-31

Heat pump apparatus using supercooling degree to control expansion valve

#150
20110067436
2011-03-24

Air conditioning system

#151
20110042471
2011-02-24

Indoor environment regulating system

#152
20110041564
2011-02-24

Heat pump (server) coupled washer and dryer pair

#153
20110041536
2011-02-24

Heat exchange system

#154
20110036110
2011-02-17

REFRIGERATION APPARATUS

#155
20110016898
2011-01-27

HEATER

#156
20110016897
2011-01-27

AIR CONDITIONING-HOT WATER SUPPLY COMBINED SYSTEM

#157
20110011943
2011-01-20

HEATING INSTALLATION AND METHOD FOR CONTROLLING THE HEATING INSTALLATION

#158
20110011558
2011-01-20

THERMAL CONDUCTIVITY PIPE FOR GEOTHERMAL APPLICATIONS

#159
20110005253
2011-01-13

Absorption heat pump with a thermally insulating dividing wall

#160
20100319378
2010-12-23

Hot-water storage type hot-water supply device and hot-water storage type heating and hot-water supply device

#161
20100300135
2010-12-02

Refrigerating apparatus

#162
20100294456
2010-11-25

GEOTHERMAL HEAT PUMP SYSTEM

#163
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

#164
20100282435
2010-11-11

Air-conditioning hot-water supply complex system

#165
20100281899
2010-11-11

Gas-fired heat pump water heater

#166
20100252228
2010-10-07

Geothermal System

#167
20100243202
2010-09-30

HOT WATER CIRCULATION SYSTEM ASSOCIATED WITH HEAT PUMP

#168
20100236498
2010-09-23

Hot-water supply system

#169
20100236261
2010-09-23

METHOD FOR UTILIZING HEAT OF COMPRESSION

#170
20100230072
2010-09-16

GEOTHERMAL SYSTEM FOR HEATING A HOME OR BUILDING

#171
20100230071
2010-09-16

Geothermal water heater

#172
20100229583
2010-09-16

Refrigeration cycle apparatus

#173
20100209084
2010-08-19

Residential heat pump water heater

#174
20100193156
2010-08-05

LIQUID CIRCULATION HEATING SYSTEM AND METHOD OF CONTROLLING THE SAME

#175
20100192606
2010-08-05

Liquid circulation heating system

#176
20100115978
2010-05-13

HEAT PUMP SYSTEM AND METHOD FOR PUMPING LIQUIDS

#177
20100101767
2010-04-29

HEAT PUMP TYPE HOT WATER SUPPLY APPARATUS

#178
20100101506
2010-04-29

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

#179
20100077779
2010-04-01

AIR-SOURCE HEAT PUMP

#180
20100025488
2010-02-04

Hot water circulation system associated with heat pump

#181
20100024106
2010-02-04

Bathroom air-conditioner

#182
20100012290
2010-01-21

Thermal gradient fluid header for multiple heating and cooling systems

#183
20090277203
2009-11-12

Device for heating, cooling and producing domestic hot water using a heat pump and low-temperature heat store

#184
20090255646
2009-10-15

Heat pump system

#185
20090250203
2009-10-08

Hot water supply apparatus

#186
20090173336
2009-07-09

ACTIVE THERMAL ENERGY STORAGE SYSTEM AND TANK FOR USE THEREIN

#187
20090159718
2009-06-25

Building designs and heating and cooling systems

#188
20090159076
2009-06-25

SOLAR ENERGY SAVING SYSTEM USING GAS AND ELECTRICITY AS COMPENSATION

#189
20090145149
2009-06-11

Hot water supply and air conditioning system using COheat pump

#190
20090120606
2009-05-14

Double DX Hydronic System

#191
20090032760
2009-02-05

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

#192
20090007900
2009-01-08

Method for operating an active thermal energy storage system

#193
20090000611
2009-01-01

Solar and heat pump powered electric forced hot air hydronic furnace

#194
20080216497
2008-09-11

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

#195
20080209907
2008-09-04

Solar-architectural material and building integrative solar energy utilization

#196
20080196431
2008-08-21

Heating installation and heating method

#197
20080092875
2008-04-24

Active thermal energy storage system

#198
20070280784
2007-12-06

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

#199
20060162720
2006-07-27

Solar and heat pump powered electric forced hot air hydronic furnace

#200
20050252226
2005-11-17

Heating/cooling system

#201
20050109490
2005-05-26

Energy efficient heat pump systems for water heating and air conditioning