ClassID:

159088

F25B9/004 - CPC Classification

Classification description:

Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being air

Recent Application in this class:
#1
20260139879
2026-05-21

REFRIGERATION SYSTEM

#2
20260110460
2026-04-23

AIR CONDITIONING SYSTEM AND TRANSPORTATION SYSTEM INCLUDING SAME

#3
20260092941
2026-04-02

AIR CYCLE MACHINE SPEED SENSOR ASSEMBLY

#4
20260055933
2026-02-26

GAS REFRIGERATING MACHINE, METHOD FOR OPERATING A GAS REFRIGERATING MACHINE AND METHOD FOR MANUFACTURING A GAS REFRIGERATING MACHINE HAVING A ROTATIONALLY SYMMETRICAL DESIGN

#5
20260055932
2026-02-26

GAS REFRIGERATING MACHINE, METHOD FOR OPERATING A GAS REFRIGERATING MACHINE AND METHOD FOR MANUFACTURING A GAS REFRIGERATING MACHINE HAVING A HOUSING

#6
20260016200
2026-01-15

GAS REFRIGERATION MACHINE, METHOD FOR OPERATING A GAS REFRIGERATION MACHINE, AND METHOD FOR PRODUCING A GAS REFRIGERATION MACHINE IN THE FORM OF AN OPEN SYSTEM

#7
20250347448
2025-11-13

UNIDIRECTIONAL THRUST AIR CYCLE MACHINE ARRANGEMENT WITH ASYMMETRIC THRUST BEARINGS

#8
20250341346
2025-11-06

AIR CONDITIONING SYSTEM AND TRANSPORTATION SYSTEM INCLUDING SAME

#9
20250341345
2025-11-06

MULTI-STAGE ROTOR FOR AIR CYCLE MACHINE

#10
20250277606
2025-09-04

AIR CONDITIONING SYSTEM AND TRANSPORTATION SYSTEM INCLUDING SAME

#11
20250277605
2025-09-04

AIR CONDITIONING SYSTEM AND TRANSPORTATION SYSTEM INCLUDING SAME

#12
20250269967
2025-08-28

ENVIRONMENTAL CONTROL SYSTEMS FOR AN AIRCRAFT HAVING A VAPOR COMPRESSION SYSTEM WITH A FLASH LIQUID EXPANDER TURBINE

#13
20250263170
2025-08-21

Aircraft Hybrid Cooling System

#14
20250244064
2025-07-31

AIR CYCLE MACHINE FAILURE ALERT SYSTEM

#15
20250123039
2025-04-17

AIR CYCLE MACHINE FAILURE ALERT SYSTEM

#16
20250108322
2025-04-03

MID-PRESSURE WATER SEPARATION FOR ENVIRONMENTAL CONTROL SYSTEM

#17
20250026479
2025-01-23

ENVIRONMENTAL CONTROL SYSTEM WITH ADAPTIVE TURBINE ARRANGEMENT

#18
20250020414
2025-01-16

THERMAL ENERGY STORAGE ARRAY

#19
20250003665
2025-01-02

REEFER CONTAINER

#20
20240410625
2024-12-12

REGENERATION USING LIQUID LOOP OF ENVIRONMENTAL CONTROL SYSTEM

#21
20240353161
2024-10-24

CABIN AIR COMPRESSOR BYPASS FOR SURGE AVOIDANCE

#22
20240318877
2024-09-26

Bernoulli heat pump having laminar flow of refrigerant

#23
20240302087
2024-09-12

AIR CYCLE MACHINE FAILURE ALERT SYSTEM

#24
20240300552
2024-09-12

HYPERLOOP ENVIRONMENTAL CONTROL SYSTEM

#25
20240300551
2024-09-12

HYPERLOOP ENVIRONMENTAL CONTROL SYSTEM

#26
20240300550
2024-09-12

HYPERLOOP ENVIRONMENTAL CONTROL SYSTEM

#27
20240300548
2024-09-12

HYPERLOOP ENVIRONMENTAL CONTROL SYSTEM

#28
20240300547
2024-09-12

HYPERLOOP ENVIRONMENTAL CONTROL SYSTEM

#29
20240271627
2024-08-15

GEARED AIR CYCLE MACHINE FAN FOR AIRCRAFT SYSTEMS

#30
20240263847
2024-08-08

MOTOR INTEGRATED AUXILIARY BEARINGS FOR AIRCRAFT MACHINES

#31
20240246681
2024-07-25

AIRCRAFT ENVIRONMENTAL CONTROL SYSTEM

#32
20240191911
2024-06-13

Thermal Management System of Vehicle

#33
20240183282
2024-06-06

Geared air cycle machine

#34
20240183281
2024-06-06

AXIAL FLUX MOTOR POWERED AIR CYCLE MACHINE

#35
20240149644
2024-05-09

TRI-GENERATION TURBOMACHINE DEVICE AND VEHICLE COMPRISING SUCH A DEVICE

#36
20240102707
2024-03-28

GAS-LIQUID SEPARATOR AND AIR CONDITIONING DEVICE

#37
20240077235
2024-03-07

REFRIGERATION PLANT AND METHOD FOR OPERATING A REFRIGERATION PLANT

#38
20240077234
2024-03-07

Regeneration using liquid loop of environmental control system

#39
20240042360
2024-02-08

Mid-pressure water separation for environmental control system

#40
20240017835
2024-01-18

AIR CYCLE MACHINE WITH INTEGRAL HEAT EXCHANGER

#41
20230408153
2023-12-21

RAM AIR TURBINE POWERED CABIN AIR COMPRESSOR

#42
20230392621
2023-12-07

INTEGRATED RADIAL DIFFUSER WITH MOVABLE DIFFUSER HUB

#43
20230384000
2023-11-30

Apparatus and Method for Treating Gas and Air-Conditioning Device

#44
20230349648
2023-11-02

ADDITIVELY MANUFACTURED TURBOMACHINERY COMPONENTS WITH DESIGNED ATMOSPHERE OF AN INNER VOIDED CORE FOR HEAT TRANSFER CONTROL

#45
20230324087
2023-10-12

GAS REFRIGERATING MACHINE, METHOD FOR OPERATING A GAS REFRIGERATING MACHINE AND METHOD FOR MANUFACTURING A GAS REFRIGERATING MACHINE AS OPEN SYSTEM

#46
20230288102
2023-09-14

COOLING SYSTEM FOR VEHICLE

#47
20230264818
2023-08-24

Aircraft hybrid cooling system

#48
20230258372
2023-08-17

GAS REFRIGERATING MACHINE, METHOD FOR OPERATING A GAS REFRIGERATING MACHINE AND METHOD FOR MANUFACTURING A GAS REFRIGERATING MACHINE HAVING A ROTATIONALLY SYMMETRICAL DESIGN

#49
20230258371
2023-08-17

GAS REFRIGERATING MACHINE, METHOD FOR OPERATING A GAS REFRIGERATING MACHINE AND METHOD FOR MANUFACTURING A GAS REFRIGERATING MACHINE HAVING A HOUSING

#50
20230212955
2023-07-06

Air cycle machine with separate compressor and turbine and fan and turbine

#51
20230129766
2023-04-27

Refrigeration unit with dynamic air cooling and a working element of the unit

#52
20230079592
2023-03-16

VEHICLE, ENVIRONMENTAL CONTROL SYSTEM, AND METHOD FOR OPERATING AN ENVIRONMENTAL CONTROL SYSTEM

#53
20230077365
2023-03-16

INTEGRATED MID-PRESSURE WATER SEPARATOR

#54
20230042241
2023-02-09

AIR TURBO-REFRIGERATION UNIT, METHOD FOR OPERATING SAME, AND TURBO-EXPANDER

#55
20230041007
2023-02-09

Gas turbine engine with transcritical vapor cycle cooling

#56
20230036416
2023-02-02

METHOD AND EQUIPMENT FOR REFRIGERATION

#57
20230031560
2023-02-02

ROTATING MACHINE AND REFRIGERATION DEVICE USING SAME

#58
20220381484
2022-12-01

High-efficiency low-temperature storage device

#59
20220316810
2022-10-06

Thermal energy storage array

#60
20220260286
2022-08-18

Bernoulli heat pump having laminar flow of refrigerant

#61
20220250753
2022-08-11

Air conditioning system with cabin air recovery

#62
20220033093
2022-02-03

Aircraft environmental control system

#63
20220033092
2022-02-03

Aircraft environmental control system

#64
20220033091
2022-02-03

Aircraft environmental control system

#65
20220033090
2022-02-03

Aircraft environmental control system

#66
20220033089
2022-02-03

Aircraft environmental control system

#67
20220033087
2022-02-03

Aircraft environmental control system

#68
20220033086
2022-02-03

Aircraft environmental control system

#69
20220033085
2022-02-03

Aircraft environmental control system

#70
20220033084
2022-02-03

Aircraft environmental control system

#71
20220018262
2022-01-20

MECHANICALLY DRIVEN AIR VEHICLE THERMAL MANAGEMENT DEVICE

#72
20210379623
2021-12-09

FILTRATION APPARATUS AND METHOD

#73
20210364194
2021-11-25

APPARATUS POWERED BY COMPRESSED FLUID

#74
20210278108
2021-09-09

Air cycle machines and methods of communicating fluid through air cycle machines

#75
20210278107
2021-09-09

Air cycle machines and methods of communicating fluid through air cycle machines

#76
20210188449
2021-06-24

Air cycle machines, air cycle machine systems, and methods of controlling air flow in air cycle machines

#77
20210188448
2021-06-24

Air cycle machines, air cycle machine systems, and methods of controlling air flow in air cycle machines

#78
20210180457
2021-06-17

Adiabatic salt energy storage

#79
20210171204
2021-06-10

Bootstrap air cycle with vapor power turbine

#80
20210123379
2021-04-29

Generator with air-cycle cooling

#81
20210102733
2021-04-08

Multi-stage vortex tube assembly for low pressure and low flow applications

#82
20210102732
2021-04-08

Air cycle machine with handed turbine bypass

#83
20210070453
2021-03-11

Hybrid ECS architecture to reduce engine bleed dependency for aircraft cabin pressure and temperature control

#84
20210024219
2021-01-28

Compressor temperature control system and method

#85
20210018228
2021-01-21

Gas turbine engine with transcritical vapor cycle cooling

#86
20210001992
2021-01-07

Environmental control system of an aircraft

#87
20200348060
2020-11-05

Method of monitoring a shutdown cycle of an air cycle machine of an aircraft

#88
20200346763
2020-11-05

Reverse bootstrap air cycle machine

#89
20200318863
2020-10-08

COOLING DEVICE

#90
20200300512
2020-09-24

REFRIGERATING METHOD AND APPARATUS

#91
20200284527
2020-09-10

Thermal energy storage array

#92
20200283155
2020-09-10

Low pressure pack

#93
20200283154
2020-09-10

Low pressure pack

#94
20200140096
2020-05-07

Aircraft air conditioning system with a cabin exhaust air turbine

#95
20200140095
2020-05-07

Aircraft air conditioning system with a cabin exhaust air turbine

#96
20200132343
2020-04-30

AIR TURBO-REFRIGERATION UNIT, METHOD FOR OPERATING SAME, AND TURBO-EXPANDER

#97
20190389587
2019-12-26

Aircraft environmental control system

#98
20190331365
2019-10-31

Device and method for temperature control

#99
20190309997
2019-10-10

COMBINED REFRIGERATION AND POWER PLANT

#100
20190300181
2019-10-03

Liquid reheater heat exchanger in an air cycle system

#101
20190285324
2019-09-19

Heat exchanger blockage detection to prevent ram air fan surge

#102
20190257577
2019-08-22

Portable refrigeration canister

#103
20190247885
2019-08-15

Filtration apparatus and method

#104
20190225343
2019-07-25

Aircraft environmental control system

#105
20190217235
2019-07-18

Method of extracting water

#106
20190154799
2019-05-23

Sensor assembly

#107
20190135440
2019-05-09

Aircraft enviromental control system with series bleed air turbines

#108
20190084376
2019-03-21

Rotating heat exchanger/bypass combo

#109
20190078813
2019-03-14

Compressor system having a refrigerated dryer

#110
20190056153
2019-02-21

Method and apparatus for control of fluid temperature and flow

#111
20190056152
2019-02-21

Heat pump

#112
20190003308
2019-01-03

Adiabatic salt energy storage

#113
20180354627
2018-12-13

J-tube shroud

#114
20180347863
2018-12-06

Refrigeration device

#115
20180327099
2018-11-15

Blended flow air cycle system for environmental control

#116
20180312263
2018-11-01

Advanced environmental control system in an integrated simple cycle pack

#117
20180299174
2018-10-18

Refrigerant processing device and refrigeration air conditioning system

#118
20180291925
2018-10-11

Fan inlet diffuser housing for an air cycle machine system

#119
20180270986
2018-09-20

Cooling device for electronic control unit

#120
20180223846
2018-08-09

High efficiency heating and/or cooling system and methods

#121
20180208327
2018-07-26

Environmental control system for an aeronautic vehicle

#122
20180202695
2018-07-19

Device and method for controlling the temperature of a medium

#123
20180194481
2018-07-12

Simplified recuperating electric ECS

#124
20180156508
2018-06-07

EXPENDABLE DRIVEN HEAT PUMP CYCLES

#125
20180148179
2018-05-31

Environmental control system with optimized moisture removal

#126
20180142931
2018-05-24

Air conditioning machine

#127
20180133634
2018-05-17

Compact water extractor

#128
20180080688
2018-03-22

Gas turbine engine with transcritical vapor cycle cooling

#129
20180057175
2018-03-01

Operating-phase-dependently controllable aircraft air conditioning system and method for operating such an aircraft air conditioning system

#130
20180045068
2018-02-15

Mechanically driven air vehicle thermal management device

#131
20180017302
2018-01-18

Topology of converter power supplies in electrical climate compressors

#132
20180017291
2018-01-18

Linear power supply pre-regulator for electrical climate compressors

#133
20170341768
2017-11-30

Environmental control system with an outflow heat exchanger

#134
20170341757
2017-11-30

Compressor temperature control system and method

#135
20170305557
2017-10-26

Environmental control system utilizing multiple mix points for recirculation air in accordance with pressure mode

#136
20170305556
2017-10-26

Environmental control system utilizing bleed pressure assist

#137
20170283074
2017-10-05

AIRCRAFT AIR CONDITIONING SYSTEM INCLUDING A THERMOELECTRIC DEVICE

#138
20170275004
2017-09-28

Aircraft air conditioning system with an electrically driven ambient air compressor and method for operating such an aircraft air conditioning system

#139
20170268838
2017-09-21

Pack-and-A-half architecture for environmental control systems

#140
20170268837
2017-09-21

PACK-AND-A-HALF ARCHITECTURE FOR ENVIRONMENTAL CONTROL SYSTEMS

#141
20170268810
2017-09-21

Heat Exchanger with Integral Bypass Valve

#142
20170267359
2017-09-21

TANDEM AIR CYCLE MACHINE MODULE FOR ENVIRONMENTAL CONTROL SYSTEMS

#143
20170261236
2017-09-14

Spot cooling device

#144
20170233083
2017-08-17

Thermal management systems and methods

#145
20170203845
2017-07-20

Low pressure pack

#146
20170129614
2017-05-11

Aircraft air conditioning system with a cabin exhaust air turbine

#147
20170022810
2017-01-26

Expander and air refrigeration device with the same

#148
20160377303
2016-12-29

High efficiency air delivery system and method

#149
20160340048
2016-11-24

Blended flow air cycle system for environmental control

#150
20160290686
2016-10-06

Device that can be used with a refrigerant fluid for increasing the thermodynamic efficiency

#151
20160216009
2016-07-28

Vortex tube cooler

#152
20160207629
2016-07-21

Cooling air supply control system for air cycle machine

#153
20160193558
2016-07-07

Moisture separator and air cycle system with the same

#154
20160153684
2016-06-02

Air-cycle environmental control systems and methods for automotive applications

#155
20160097401
2016-04-07

Air cycle machine strut plate assembly

#156
20160010902
2016-01-14

Expendable driven heat pump cycles

#157
20150330408
2015-11-19

Air compression apparatus

#158
20150291007
2015-10-15

Refrigeration

#159
20150253041
2015-09-10

Device and method for temperature control

#160
20150197339
2015-07-16

Aircraft environmental control system and method

#161
20150192328
2015-07-09

Method and apparatus for control of fluid temperature and flow

#162
20150135741
2015-05-21

Venturi Refrigeration System

#163
20150033730
2015-02-05

Compressor housing for an air cycle machine

#164
20140331692
2014-11-13

Self-cooling loop with electric ram fan for motor driven compressor

#165
20130294890
2013-11-07

Reverse brayton cycle with bladeless turbo compressor for automotive environmental cooling

#166
20130180270
2013-07-18

Air-cycle environmental control systems and methods for automotive applications

#167
20130177399
2013-07-11

Speed sensor module and diffuser assembly

#168
20130133348
2013-05-30

Blended flow air cycle system for environmental control

#169
20130000346
2013-01-03

DEVICE AND METHOD FOR COOLING SOLID PARTICLES

#170
20130000328
2013-01-03

Centrifugal Air Cycle Air Conditioner

#171
20120103004
2012-05-03

Apparatus for use as a heat pump

#172
20110290636
2011-12-01

Method and system for utilizing waste energy from a fluid purification system

#173
20110100011
2011-05-05

High efficiency thermodynamic system

#174
20110041526
2011-02-24

Air-refrigerant cooling apparatus with a warm gas defrost bypass pipe

#175
20110005252
2011-01-13

Air refrigerant type freezing and heating apparatus

#176
20100313596
2010-12-16

COOLING WAREHOUSE AND AIR REFRIGERANT TYPE COOLING SYSTEM

#177
20100172750
2010-07-08

AIR CONDITIONING APPARATUS EQUIPPED WITH A COMPRESSOR AND A VORTEX

#178
20100162685
2010-07-01

Method for cooling air and devices

#179
20100139306
2010-06-10

Air cycle heat pump techniques and system

#180
20100139297
2010-06-10

AIR CYCLE REFRIGERATION CAPACITY CONTROL SYSTEM

#181
20100096016
2010-04-22

Method and apparatus for control of fluid temperature and flow

#182
20100089062
2010-04-15

Cao heat engine and refrigerator

#183
20100083678
2010-04-08

Refrigerant system with expander speed control

#184
20100070090
2010-03-18

Heating and cooling system using compressed fluid

#185
20090282858
2009-11-19

Semi-closed air-cycle refrigeration system and a positive-pressure snow removal cyclone separator therefor

#186
20090260388
2009-10-22

Air cycle refrigerating/cooling system and turbine unit used therefor

#187
20090241563
2009-10-01

Supply method without cooling medium for an air conditioner and a system thereof

#188
20090241560
2009-10-01

Method for recovery and recharge of blend refrigerants with blend sent for reclamation

#189
20090217693
2009-09-03

Air refrigerant type cooling apparatus and air refrigerant cooling/heating system using refrigerant type cooling apparatus

#190
20090145161
2009-06-11

Apparatus for use as a heat pump

#191
20090136335
2009-05-28

Turbine unit for refrigerating/cooling air cycle

#192
20090133431
2009-05-28

Air cycle refrigerating/cooling system and turbine unit used therefor

#193
20090127956
2009-05-21

Motor built-in magnetic bearing device

#194
20090000773
2009-01-01

Integrated cooling system

#195
20080148764
2008-06-26

Refrigerator

#196
20080110193
2008-05-15

ENVIRONMENTAL CONTROL SYSTEM WITH ADSORPTION BASED WATER REMOVAL

#197
20070193301
2007-08-23

Expendable turbine driven compression cycle cooling system

#198
20070186578
2007-08-16

Air compressor and expander

#199
20070169503
2007-07-26

Cooling warehouse and air refrigerant type cooling system

#200
20070113579
2007-05-24

Low energy electric air cycle with portal shroud cabin air compressor

#201
20070101756
2007-05-10

Air-refrigerant cooling apparatus

#202
20070101755
2007-05-10

Air refrigerant cooling apparatus and air refrigeration system using the air refigerant cooling apparatus

#203
20070084225
2007-04-19

Air cycle system with variable mix recuperator

#204
20070051126
2007-03-08

Air refrigerant type freezing and heating apparatus

#205
20060225440
2006-10-12

Refrigeration system and refrigeration method thereof

#206
20060196216
2006-09-07

Dual mode condensing cycle

#207
20060174636
2006-08-10

Heat dissipation system with an air compressing mechanism

#208
20060162371
2006-07-27

Indirect regenerative air cycle for integrated power and cooling machines

#209
20060059943
2006-03-23

Air cycle machine integrated rotor and shaft

#210
20060059942
2006-03-23

Air cycle machine for an aircraft environmental control system

#211
20050188716
2005-09-01

Air-conditioning system and a method for the preparation of air for the air-conditioning of a space

#212
20050166629
2005-08-04

Air conditioning system

#213
20050144969
2005-07-07

Cold air refrigerating system and turborxpander turbine for this system

#214
20050126204
2005-06-16

Air-cycle air conditioning system for commercial refrigeration

#215
20050097914
2005-05-12

Heating / cool compressor

#216
20050044876
2005-03-03

Air cycle HVAC system having secondary air stream

#217
19171566
2025-09-02

Air conditioning system and transportation system including same

#218
18816006
2025-02-04

Air conditioning system and transportation system including same

#219
18612010
2024-10-01

Air conditioning system, transportation system including the same, and associated method

#220
18241935
2024-04-02

Exhaust gas heat recovery from cryo-compression engines with cogeneration of cryo-working fluid

#221
17705586
2024-07-30

Aircraft membrane dehydration cooling architecture