ClassID:

159224

F25B2309/06 - CPC Classification

Classification description:

Gas cycle refrigeration machines Compression machines, plants or systems characterised by the refrigerant being carbon dioxide

Sub-classes:
Recent Application in this class:
#1
20260103632
2026-04-16

WORKING MEDIUM, COMPOSITION FOR HEAT CYCLE SYSTEM, HEAT CYCLE SYSTEM, AND HEAT CYCLE METHOD

#2
20260071792
2026-03-12

REFRIGERATION CYCLE APPARATUS

#3
20260022869
2026-01-22

Test Chamber and Control Method

#4
20250251177
2025-08-07

REFRIGERATION SYSTEM WITH HIGH SPEED ROTARY PRESSURE EXCHANGER

#5
20240263848
2024-08-08

Refrigeration system with high speed rotary pressure exchanger

#6
20240142143
2024-05-02

HIGH-TEMPERATURE, DUAL RAIL HEAT PUMP CYCLE FOR HIGH PERFORMANCE AT HIGH-TEMPERATURE LIFT AND RANGE

#7
20240142142
2024-05-02

SYSTEM AND METHOD FOR MAKING A BUILDING CARBON NEUTRAL

#8
20240125520
2024-04-18

THERMAL ENERGY TRANSMISSION USING WATER AND CARBON DIOXIDE

#9
20240093920
2024-03-21

HVAC dual de-superheating/subcooling heat reclaim system for transcritical refrigeration systems

#10
20240011672
2024-01-11

Refrigeration System with Oil Control System

#11
20230417460
2023-12-28

REFRIGERATION CYCLE APPARATUS

#12
20230417459
2023-12-28

REFRIGERATION CYCLE APPARATUS

#13
20230221044
2023-07-13

SINGLE-STAGE CARBON DIOXIDE MULTI-SPLIT COOLING AND HEATING MULTIFUNCTIONAL CENTRAL AIR CONDITIONER

#14
20230127825
2023-04-27

Defrost system which utilizes electric heater for thermosiphon

#15
20230029186
2023-01-26

Method for thermal energy transmission using water and carbon dioxide

#16
20220381496
2022-12-01

Refrigeration system with high speed rotary pressure exchanger

#17
20220364771
2022-11-17

Thermal storage of carbon dioxide system for power outage

#18
20220357084
2022-11-10

HVAC dual de-superheating/subcooling heat reclaim system for transcritical refrigeration systems

#19
20220357080
2022-11-10

Cooling system for fluid to be cooled

#20
20220341633
2022-10-27

Thermal storage of carbon dioxide system for power outage

#21
20220268499
2022-08-25

Compressor unit and refrigeration apparatus

#22
20220243960
2022-08-04

Air source COheat pump system for preventing evaporator from frosting by using heat of heat regenerator

#23
20220228782
2022-07-21

REFRIGERANT CYCLE SYSTEM

#24
20220186987
2022-06-16

Heat source-side unit and refrigeration apparatus

#25
20220178591
2022-06-09

Chiller with an outdoor unit transferring heat to an indoor unit using carbon dioxide

#26
20220146172
2022-05-12

HEAT SOURCE UNIT AND REFRIGERATION DEVICE

#27
20220120480
2022-04-21

REFRIGERATION APPARATUS-USE UNIT, HEAT SOURCE UNIT, UTILIZATION UNIT, AND REFRIGERATION APPARATUS

#28
20220042723
2022-02-10

Heating, ventilation, and air conditioning system with primary and secondary heat transfer loops

#29
20220011022
2022-01-13

Refrigeration system with high speed rotary pressure exchanger

#30
20210355357
2021-11-18

Refrigerant

#31
20210333021
2021-10-28

Chiller with an outdoor unit transferring heat to an indoor unit using carbon dioxide

#32
20210285702
2021-09-16

Refrigeration system with flexible high pressure hose assembly

#33
20210247113
2021-08-12

Cooling device, a test chamber and a method

#34
20210164700
2021-06-03

Control method of transcritical carbon dioxide composite heat pump system

#35
20200400349
2020-12-24

Thermal storage of carbon dioxide system for power outage

#36
20200355407
2020-11-12

Fluid supply apparatus

#37
20200326103
2020-10-15

REFRIGERATION CYCLE

#38
20200200459
2020-06-25

CO2 REFRIGERATION SYSTEM

#39
20200191457
2020-06-18

Cooling system

#40
20200132348
2020-04-30

Cooling system

#41
20200047098
2020-02-13

Cyclone for separation of gas-liquid mixture, and a refrigerant accumulator containing this cyclone

#42
20200011576
2020-01-09

Cooling system for fluid to be cooled

#43
20190360727
2019-11-28

Refrigeration system with oil control system

#44
20190316810
2019-10-17

Superhigh temperature heat pump system and method capable of preparing boiling water not lower than 100° C

#45
20190170405
2019-06-06

Heating, ventilation, and air conditioning system with primary and secondary heat transfer loops

#46
20190072311
2019-03-07

Defrost system

#47
20190041107
2019-02-07

Compressor assembly with directed suction

#48
20190041106
2019-02-07

Compressor assembly with directed suction

#49
20190041102
2019-02-07

Thermal storage of carbon dioxide system for power outage

#50
20190003469
2019-01-03

HEAT EXCHANGE UNIT

#51
20180328643
2018-11-15

Series loop intermodal container

#52
20180187928
2018-07-05

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

#53
20180187927
2018-07-05

SYSTEM AND METHOD FOR REUSING WASTE HEAT OF A TRANSCRITICAL REFRIGERATION SYSTEM

#54
20180156499
2018-06-07

Ejector system and methods of operation

#55
20180135896
2018-05-17

Cooling of a fluid with a refrigerant at triple point

#56
20170276008
2017-09-28

ENERGY RECOVERY APPARATUS FOR A REFRIGERATION SYSTEM

#57
20160298885
2016-10-13

Compressor assembly with directed suction

#58
20160258313
2016-09-08

Combined electricity, heat, and chill generation for a Rankine engine

#59
20160237333
2016-08-18

Compounds, complexes, compositions, methods and systems for heating and cooling

#60
20150354882
2015-12-10

COrefrigeration system

#61
20150013353
2015-01-15

Compressor-heat exchanger unit for a heating-cooling module for a motor vehicle

#62
20140260404
2014-09-18

High efficiency refrigeration system

#63
20140208785
2014-07-31

System and method for control of a transcritical refrigeration system

#64
20140109604
2014-04-24

Ejector mixer

#65
20140102132
2014-04-17

Modular CO2 refrigeration system

#66
20140069139
2014-03-13

Compressor assembly with directed suction

#67
20140007607
2014-01-09

Air-conditioning apparatus including intermediate heat exchangers

#68
20130098096
2013-04-25

Heat pump system

#69
20130055745
2013-03-07

Ice rink cooling facility

#70
20130036757
2013-02-14

REFRIGERATION CYCLE APPARATUS

#71
20120321497
2012-12-20

Positive displacement expander and refrigeration cycle apparatus including positive displacement expander

#72
20120312505
2012-12-13

Cryogenic Cooling Method Using a Gas-Solid Diphasic Flow of CO2

#73
20120198868
2012-08-09

Low suction pressure protection for refrigerant vapor compression system

#74
20120060532
2012-03-15

HEATING DEDICATED AIR CONDITIONER

#75
20120055182
2012-03-08

CO2 REFRIGERATION SYSTEM

#76
20110265983
2011-11-03

COOLING APPARATUS AND METHOD

#77
20110219794
2011-09-15

APPARATUS USING REFRIGERANT, AND METHOD FOR INSTALLING APPARATUS USING REFRIGERANT

#78
20110138849
2011-06-16

Cooling Device

#79
20110113820
2011-05-19

HEAT TRANSFER TUBE FOR HEAT EXCHANGER, HEAT EXCHANGER, REFRIGERATING CYCLE APPARATUS, AND AIR CONDITIONER

#80
20110100038
2011-05-05

Refrigerant Circuit And Method For Operating A Refrigerant Circuit

#81
20110094259
2011-04-28

MULTI-STAGE REFRIGERANT SYSTEM WITH DIFFERENT COMPRESSOR TYPES

#82
20110011104
2011-01-20

Defrost system and method for a subcritical cascade R-744 refrigeration system

#83
20100281890
2010-11-11

Refrigerant charging system and method for using vapor-phase refrigerant

#84
20100269523
2010-10-28

MOUNTING OF PRESSURE RELIEF DEVICES IN A HIGH PRESSURE REFRIGERATION SYSTEM

#85
20100251737
2010-10-07

Method of operating a cooling system and cooling system

#86
20100199694
2010-08-12

Refrigerant system with intercooler and liquid/vapor injection

#87
20100186439
2010-07-29

Fluid machine and refrigeration cycle apparatus

#88
20100147006
2010-06-17

REFRIGERANT SYSTEM WITH CASCADED CIRCUITS AND PERFORMANCE ENHANCEMENT FEATURES

#89
20100071391
2010-03-25

CO2 REFRIGERANT SYSTEM WITH TANDEM COMPRESSORS, EXPANDER AND ECONOMIZER

#90
20100058781
2010-03-11

REFRIGERANT SYSTEM WITH ECONOMIZER, INTERCOOLER AND MULTI-STAGE COMPRESSOR

#91
20100031697
2010-02-11

Modular CO2 refrigeration system

#92
20100011787
2010-01-21

PREVENTION OF REFRIGERANT SOLIDIFICATION

#93
20100005831
2010-01-14

ENHANCED REFRIGERANT SYSTEM

#94
20090301688
2009-12-10

Cooling Apparatus and Methods for Cooling

#95
20090223232
2009-09-10

DEFROST SYSTEM

#96
20090193817
2009-08-06

METHOD FOR REFRIGERATING A THERMAL LOAD

#97
20090126562
2009-05-21

Combined piston-expander compressor

#98
20090110581
2009-04-30

Scroll compressor for carbon dioxide refrigerant

#99
20090007578
2009-01-08

Air conditioning apparatus

#100
20080223074
2008-09-18

REFRIGERATION SYSTEM

#101
20080216492
2008-09-11

Method and a system for filling a refrigeration system with refrigerant

#102
20080184732
2008-08-07

Evaporator, in Particular for an Air-Conditioning System of a Motor Vehicle

#103
20080112128
2008-05-15

Cooling Methods and Apparatus

#104
20080006053
2008-01-10

Natural Gas Liquefaction Process

#105
20070234753
2007-10-11

Ammonia/Corefrigeration system

#106
20070220915
2007-09-27

Air conditioning unit, operatable with carbon dioxide, for vehicles and method for operating the air conditioning unit

#107
20070151266
2007-07-05

REFRIGERATION CYCLE APPARATUS

#108
20070039337
2007-02-22

Ejector cycle device

#109
20060288733
2006-12-28

Evaporator refrigeration system vehicle equipped with said system and method of evaporating refrigerant

#110
20060266075
2006-11-30

Refrigerator

#111
20060266058
2006-11-30

Ammonia/COrefrigeration system, CObrine production system for use therein, and ammonia cooling unit incorporating that production system

#112
20060236705
2006-10-26

Refrigerant charging system and method using cartridges and scale

#113
20060185380
2006-08-24

Refrigerant cycle with three-way service valve for environmentally friendly refrigerant

#114
20060168997
2006-08-03

Refrigerating device and refrigerator

#115
20060117774
2006-06-08

Pressure control valve

#116
20060107673
2006-05-25

Expansion device

#117
20060101835
2006-05-18

Refrigerant charging by optimum performance

#118
20060101834
2006-05-18

Refrigerant charging system and method using vapor-phase refrigerant

#119
20060096308
2006-05-11

Vapor compression system with defrost system

#120
20060086116
2006-04-27

Expansion valve and method for its control

#121
20060080999
2006-04-20

Air conditioning system expansion valve

#122
20060016475
2006-01-26

Refrigerant relief device

#123
20060010898
2006-01-19

System for refrigerant charging with constant volume tank

#124
20050235655
2005-10-27

System for forming aerosols and cooling device incorporated therein

#125
20050217294
2005-10-06

THERMOSYPHON-BASED REFRIGERATION SYSTEM

#126
20050198996
2005-09-15

Refrigerating machine

#127
20050198978
2005-09-15

Refrigerating machine

#128
20050172644
2005-08-11

Loop-type thermosiphon and stirling refrigerator

#129
20050166621
2005-08-04

Heating and refrigeration systems and methods using refrigerant mass flow

#130
20050155373
2005-07-21

Processing apparatus and processing apparatus maintenance method

#131
20050115253
2005-06-02

Method for extracting carbon dioxide for use as a refrigerant in a vapor compression system

#132
20050109057
2005-05-26

Thermosiphon

#133
20050103046
2005-05-19

Inner heat exchanger for high-pressure refrigerant with accumulator

#134
20050051295
2005-03-10

Air conditioner

#135
20050016721
2005-01-27

Multi-channel heat exchanger and connection unit

#136
20050016184
2005-01-27

Stirling cooling device, cooling chamber, and refrigerator

#137
20050011221
2005-01-20

Refrigeration cycle