ClassID:

157887

F24D15/04 - CPC Classification

Classification description:

Other domestic- or space-heating systems using heat pumps

Recent Application in this class:
#1
20260153268
2026-06-04

HEAT PUMP, OPERATION METHOD OF HEAT PUMP, AND SERVER

#2
20260153244
2026-06-04

AIR CONDITIONING SYSTEM USING HEAT PUMP AND AIR HEATING DEVICE

#3
20260071762
2026-03-12

SURFACE GEOTHERMAL HEAT ENERGY CAPTURE AND STORAGE SYSTEM

#4
20250244057
2025-07-31

HEAT PUMP, SYSTEMS, AND METHODS FOR OPERATING THE SAME

#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
20240263854
2024-08-08

RECEIVER, CONNECTION METHOD THEREOF, RECEIVER ASSEMBLY AND HEAT PUMP SYSTEM

#8
20240263806
2024-08-08

Heat supply system coupling passive phase change energy storage sunlight room and air source heat pump

#9
20240210043
2024-06-27

AIR CONDITIONING SYSTEM USING HEAT PUMP AND AIR HEATING DEVICE

#10
20230073117
2023-03-09

System and method for operating an air conditioner unit having an auxiliary electric heater

#11
20220228785
2022-07-21

Receiver, connection method thereof, receiver assembly and heat pump system

#12
20220228760
2022-07-21

Pump-Assisted, Ground Source, Heat Pipe System for Heating and Cooling Water, Greenhouses and Buildings

#13
20220136712
2022-05-05

COMBINED SPACE AND WATER HEATING SYSTEMS

#14
20220025666
2022-01-27

Hybrid heater

#15
20210108829
2021-04-15

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

#16
20200263881
2020-08-20

Heat pump system and method for controlling a heat pump system

#17
20200208886
2020-07-02

DEVICE FOR STORING TEMPERATURE-CONTROLLED FLUIDS

#18
20190360225
2019-11-28

Hybrid heater

#19
20190107294
2019-04-11

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

#20
20180372337
2018-12-27

Cogeneration systems and methods for generating heating and electricity

#21
20180372334
2018-12-27

Cogeneration systems and methods for generating heating and electricity

#22
20180372333
2018-12-27

Cogeneration systems and methods for generating heating and electricity

#23
20180335219
2018-11-22

Heat pump system and method for controlling a heat pump system

#24
20180328629
2018-11-15

Sealed heat exchange system and air conditioner

#25
20180299141
2018-10-18

Method of modifying air conditioner for heating

#26
20180252434
2018-09-06

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

#27
20180245800
2018-08-30

METHOD AND APPARATUS FOR UTILIZATION OF HOT WATER PLANT WASTE HEAT RECOVERY BY INCORPORATED HIGH TEMPERATURE WATER SOURCE HEAT PUMP

#28
20180119998
2018-05-03

REFRIGERATION CYCLE APPARATUS

#29
20180119981
2018-05-03

INTEGRATED VENTILATION UNIT

#30
20170342732
2017-11-30

Hybrid heater

#31
20170211862
2017-07-27

DUAL TEMPERATURE HEAT PUMP SYSTEM

#32
20170211829
2017-07-27

OPTIMISED HEAT PUMP SYSTEM

#33
20170122573
2017-05-04

Geothermal system having a flow vector assembly

#34
20170059185
2017-03-02

Heat pump apparatus

#35
20170045242
2017-02-16

Hybrid heat pump apparatus

#36
20170045238
2017-02-16

METHOD FOR OPERATING A HEAT PUMP WATER HEATER APPLIANCE

#37
20160341434
2016-11-24

Air conditioning system

#38
20160320093
2016-11-03

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

#39
20160201929
2016-07-14

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

#40
20160178219
2016-06-23

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

#41
20160109162
2016-04-21

Refrigeration cycle apparatus

#42
20160109139
2016-04-21

Heat pump

#43
20160061508
2016-03-03

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

#44
20160061502
2016-03-03

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

#45
20160033166
2016-02-04

Thermal recovery system and method

#46
20160033145
2016-02-04

Room-to-Room Heat Pump

#47
20150368921
2015-12-24

Hybrid heater

#48
20150292752
2015-10-15

HEAT PUMP WITH IMPROVED PERFORMANCE DURING COLD OUTDOOR TEMPERATURES

#49
20150219370
2015-08-06

Heat pump apparatus

#50
20150219344
2015-08-06

Energy efficient fenestration assembly

#51
20150198350
2015-07-16

Integrated ventilation unit

#52
20150135744
2015-05-21

Combination air and ground source heating and/or cooling system

#53
20150122901
2015-05-07

Wear-leveling for components of an auxiliary heat source

#54
20150064408
2015-03-05

Method for manufacturing shaped product with maintained isotrophy

#55
20150034073
2015-02-05

Hot water supply system and method thereof

#56
20150027144
2015-01-29

Air conditioner and control method thereof

#57
20150013958
2015-01-15

Air-conditioning system

#58
20140326004
2014-11-06

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

#59
20140260392
2014-09-18

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

#60
20140260358
2014-09-18

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

#61
20140216077
2014-08-07

APPARATUSES AND METHODS FOR USE OF A PUMP WITH A HEATABLE PUMP CHAMBER IN A HEAT-PUMP APPARATUS AND FOR OPERATING THE HEAT-PUMP APPARATUS

#62
20140137591
2014-05-22

Domestic hot water delivery system

#63
20140041848
2014-02-13

Temperature control system and air conditioning system

#64
20140020637
2014-01-23

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

#65
20130284818
2013-10-31

Heating system control method and heating system

#66
20130270353
2013-10-17

Joint heating system of gas combined cycle and solar power and dispatching method thereof

#67
20130248609
2013-09-26

Heating system and method for controlling a heating system

#68
20130219945
2013-08-29

Combined hot water supply and air-conditioning device

#69
20130168459
2013-07-04

Low-Power Residential Heating System

#70
20120318475
2012-12-20

Building Energy System

#71
20120248212
2012-10-04

Methods and Systems for Controlling a Hybrid Heating System

#72
20120192577
2012-08-02

Wear-leveling for components of an auxiliary heat source

#73
20120169067
2012-07-05

Air condition system capable of converting waste heat into electricity

#74
20120151952
2012-06-21

MULTIPLE AIRFLOW PATTERN WATER SOURCE GEOTHERMAL HEAT PUMP UNIT

#75
20120055177
2012-03-08

Air conditioner and control method thereof

#76
20110308265
2011-12-22

Integrated ventilation unit

#77
20110168467
2011-07-14

Hybrid Electric Vehicles Using a Stirling Engine

#78
20110036100
2011-02-17

Heat pump

#79
20100170655
2010-07-08

Air Supply Unit

#80
20100024106
2010-02-04

Bathroom air-conditioner

#81
20090321041
2009-12-31

Multiple airflow pattern water source geothermal heat pump unit

#82
20070245759
2007-10-25

Heat pump that evaporates water as a working liquid to generate a working vapor

#83
20070068184
2007-03-29

Geothermal exchange system incorporating a thermally superconducting medium

#84
16994446
2023-12-12

Methods and systems for tracking thermal profile of hot water storage tanks