ClassID:

159149

F25B30/00 - CPC Classification

Classification description:

Heat pumps

Sub-classes:
Recent Application in this class:
#1
20260139882
2026-05-21

HEAT PUMP WATER MODULE AND HEAT PUMP DEVICE

#2
20260139881
2026-05-21

FOUR-WAY VALVE FOR A HEAT-PUMP ARRANGEMENT AND HEAT-PUMP ARRANGEMENT

#3
20260071794
2026-03-12

VALVE ASSEMBLY AND A HEAT PUMP SYSTEM INCLUDING THE SAME

#4
20250383132
2025-12-18

DEFROST FOR CASCADE HEAT PUMP SYSTEM

#5
20250334306
2025-10-30

WATER SOURCED HEAT PUMP (WSHP) SYSTEM OPTIMIZATION USING REINFORCEMENT LEARNING (RL) AGENT

#6
20250290644
2025-09-18

Heat Pump Technology with Refrigerant-Based Thermal Storage

#7
20250277609
2025-09-04

HEAT PUMP WITH IMPROVED ENERGY EFFICIENCY

#8
20250257917
2025-08-14

ENERGY EFFICIENT HEAT PUMP WITH EJECTOR SYSTEM

#9
20250146676
2025-05-08

HEAT SUPPLY NETWORK FOR A PROCESS PLANT, AND METHOD FOR OPERATING SUCH A HEAT SUPPLY NETWORK

#10
20250137737
2025-05-01

HEAT EXCHANGER

#11
20250121533
2025-04-17

SYSTEM FOR PRODUCING PLASTIC FILMS AS WELL AS METHOD

#12
20250052458
2025-02-13

AIR CONDITIONER WITH CROSS-OVER REFRIGERANT FLOW

#13
20240191931
2024-06-13

MELTWATER MANAGEMENT SYSTEMS AND METHODS FOR COLD-CLIMATE HEAT PUMPS

#14
20240151440
2024-05-09

Multi-Way Coolant Valve and Heat Pump System Having the Same

#15
20240068736
2024-02-29

Heat Pump With Drainage for Low Ambient Temperature Conditions

#16
20240044560
2024-02-08

Higher Efficiency, Demand Flexible Refrigeration or Heat Pump Systems with On Demand Vibrational Deicing Technology

#17
20230296106
2023-09-21

Blade-heating heat pump cover and heat pump

#18
20230250982
2023-08-10

Heat Pump System, Control Method and Apparatus Thereof, Air Conditioning Device and Storage Medium

#19
20230184468
2023-06-15

Cascade heat pump and method for heating or cooling a coolant by means of a cascade heat pump

#20
20230173496
2023-06-08

Heating device for convective polymerase chain reaction

#21
20230168013
2023-06-01

HEAT PUMP SYSTEM WITH FLASH DEFROSTING MODE

#22
20230137037
2023-05-04

HEAT PUMP

#23
20230123982
2023-04-20

HEAT PUMP SYSTEM AND COOLING/HEATING SYSTEM USING SAME

#24
20230117306
2023-04-20

REFRIGERANT LEAKAGE DETECTION SENSOR FOR A HEAT PUMP AND AIR CONDITIONING APPARATUS INCLUDING SAME

#25
20230019373
2023-01-19

VALVE OPENING CIRCUIT AND HEAT PUMP DEVICE

#26
20220357083
2022-11-10

Elastocaloric heat recovery in a heat pump / refrigeration system using a pump mechanism

#27
20220299243
2022-09-22

System and method for work recovery in a heat pump

#28
20210310668
2021-10-07

SUPPLEMENTAL HEATING DEVICE AND METHOD

#29
20210293479
2021-09-23

Continuous drying apparatus for bee pollen and related drying method

#30
20200330956
2020-10-22

Organometallic framework

#31
20200217567
2020-07-09

Mechano-caloric stage with inner and outer sleeves

#32
20200217566
2020-07-09

Leveraged mechano-caloric heat pump

#33
20200173699
2020-06-04

Device and method for increasing the thermal output of a heat source

#34
20200003311
2020-01-02

Device for regulating a flow-through and distributing a fluid in a fluid circuit

#35
20190277530
2019-09-12

Thermostat with user interface features

#36
20180328632
2018-11-15

Heat pump system

#37
20180320941
2018-11-08

Heat pump and heat engine

#38
20180172318
2018-06-21

Induced groundwater flow closed loop geothermal system

#39
20180045436
2018-02-15

Systems and methods for flow-synchronous field motion heat transfer

#40
20180023896
2018-01-25

Energy transfer systems and energy transfer methods

#41
20180003418
2018-01-04

Heat pump system and air-conditioner

#42
20170370622
2017-12-28

Two-stage heating geothermal system using geothermal energy

#43
20170314815
2017-11-02

Preheater for compressor

#44
20170248333
2017-08-31

GEOTHERMAL HEATING AND COOLING SYSTEM

#45
20170198954
2017-07-13

Heat exchanger and heat pump having the same

#46
20170191712
2017-07-06

Modular two phase loop distributed HVACandR system

#47
20170184329
2017-06-29

Hybrid solar heat absorption cooling system

#48
20170149072
2017-05-25

Integrated heat pump and fuel cell power plant

#49
20170131037
2017-05-11

Combined heating power and cooling apparatus with energy storage type adapted to an active distribution network and its method

#50
20170130738
2017-05-11

Diffusion pump to supply heat from a condenser to a heating element

#51
20170059215
2017-03-02

Magnetic heat pump device

#52
20170045242
2017-02-16

Hybrid heat pump apparatus

#53
20170016645
2017-01-19

Method and systems for energy-saving heating and humidifying of buildings using outside air

#54
20160377303
2016-12-29

High efficiency air delivery system and method

#55
20160341458
2016-11-24

Thermal transpiration flow heat pump

#56
20160298878
2016-10-13

Four-process cycle for a Vuilleumier heat pump

#57
20160222830
2016-08-04

Electrical energy storage and discharge system

#58
20160195314
2016-07-07

Heat pump, small power station and method of pumping heat

#59
20160195304
2016-07-07

Geothermal probe with mixing elements

#60
20160161161
2016-06-09

Thermodynamic device and method of producing a thermodynamic device

#61
20160161157
2016-06-09

Direct heat exchange system

#62
20160109139
2016-04-21

Heat pump

#63
20160097573
2016-04-07

Damper valve and a heat pump water heater appliance

#64
20150300676
2015-10-22

Air-conditioning apparatus

#65
20150260434
2015-09-17

Air Source Heat Exchange System and Method Utilizing Temperature Gradient and Water

#66
20150204591
2015-07-23

Heat pump temperature control

#67
20150198360
2015-07-16

Refrigeration cycle apparatus

#68
20150153111
2015-06-04

INDOOR COIL

#69
20150144833
2015-05-28

Refrigerant gas composition

#70
20150019023
2015-01-15

Heat pump system energy management device

#71
20150013370
2015-01-15

Ground Loops and Insulation for Direct Exchange Geothermal Systems

#72
20140371925
2014-12-18

Cloud Connected Intelligent Heater/Chiller System

#73
20140338372
2014-11-20

Methods, systems, and devices for producing a heat pump

#74
20140331708
2014-11-13

HIGH PERFORMANCE HEAT PUMP UNIT

#75
20140299289
2014-10-09

Heat-pump system with refrigerant charge diagnostics

#76
20140298847
2014-10-09

Low Energy Air Cooler-Heater

#77
20140202194
2014-07-24

Heat exchanger and heat pump system using the same

#78
20140196482
2014-07-17

HEAT PUMP SYSTEM AND METHOD OF COOLING AND/OR HEATING BY MEANS OF SAID SYSTEM

#79
20140090411
2014-04-03

HEAT PUMP SYSTEM AND AIR-CONDITIONER

#80
20140053589
2014-02-27

HEAT STORAGE TYPE RADIATION AIR CONDITIONING SYSTEM EMPLOYING HEAT PUMP AIR-CONDITIONER

#81
20140041406
2014-02-13

Broadband heat pump system

#82
20130306301
2013-11-21

Heat pump apparatus and control method for heat pump apparatus

#83
20130305747
2013-11-21

Household appliance

#84
20130220591
2013-08-29

Heat pump operation method and heat pump system

#85
20130219942
2013-08-29

Air conditioner and heat pump condensing unit chassis with enhanced serviceability access

#86
20130213069
2013-08-22

Heat Pump

#87
20130167581
2013-07-04

Dehumidifier for a compressor in compression-absorption heat pump system

#88
20130104575
2013-05-02

USE OF COMPOSITIONS COMPRISING 1,1,1,2,3-PENTAFLUOROPROPANE AND OPTIONALLY Z-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE IN HIGH TEMPERATURE HEAT PUMPS

#89
20130074539
2013-03-28

MODIFIED HEAT PUMP

#90
20130019615
2013-01-24

Heat pump system for vehicle and control method thereof

#91
20120324924
2012-12-27

Thermal power upgrade facility

#92
20120279250
2012-11-08

Heat pump according to the adsorption principle

#93
20120222427
2012-09-06

Flow-synchronous field motion refrigeration

#94
20120216989
2012-08-30

REFRIGERATION CYCLE APPARATUS

#95
20120144853
2012-06-14

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

#96
20120000230
2012-01-05

Refrigerant distribution unit for air conditioner

#97
20110252820
2011-10-20

Heat Pump Water Heater

#98
20110163175
2011-07-07

COMPACT HEAT PUMP USING WATER AS REFRIGERANT

#99
20110100032
2011-05-05

Apparatus and Method for Removing a Gas from a System, System for Vaporizing and Heat Pump

#100
20110100011
2011-05-05

High efficiency thermodynamic system

#101
20110067437
2011-03-24

Air Source Heat Exchange System and Method Utilizing Temperature Gradient and Water

#102
20110036100
2011-02-17

Heat pump

#103
20100147965
2010-06-17

Heat pump, small power station and method of pumping heat

#104
20100147004
2010-06-17

Heat pump or heat exchange device with periodic positive and reverse pumping

#105
20100115977
2010-05-13

Energy conversion device

#106
20090100857
2009-04-23

Compact heat pump using water as refrigerant

#107
20070251668
2007-11-01

HIGH TEMPERATURE REFRIGERATION CYCLE METHOD AND APPARATUS

#108
20070245759
2007-10-25

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

#109
20070061104
2007-03-15

Performance prediction program and performance prediction system for ground source heat pump system

#110
20070023534
2007-02-01

Water-source heat pump control system and method

#111
20060064281
2006-03-23

Performance prediction program and performance prediction system for ground source heat pump system

#112
20050155355
2005-07-21

Heat pump using gas hydrate, and heat utilizing apparatus

#113
20050039467
2005-02-24

Membrane desiccation heat pump

#114
15857674
2019-07-09

Heat exchange system reactive to internal and external temperatures

#115
15628184
2018-11-27

Heat exchanger reactive to internal and external temperatures

#116
15420431
2018-04-24

Configuration of dishwasher to improve energy efficiency of water heating