ClassID:

72467

B64D2013/064 - CPC Classification

Classification description:

Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned; Environmental Control Systems comprising more than one system, e.g. dual systems

Recent Application in this class:
#1
20250382061
2025-12-18

POWERED TURBO-EXPANDER COMBINING CENTRIFUGAL COMPRESSOR AND AN AXIAL FLOW TURBINE

#2
20250319971
2025-10-16

STRATOSPHERIC BALLOON CAPSULE TEMPERATURE & HUMIDITY CONTROL SYSTEM

#3
20250282481
2025-09-11

Methods, Systems, and Apparatuses for Reducing Ozone Concentration and Reducing VOC Concentration in Aircraft Cabin Environment Recirculated Airflow

#4
20240343397
2024-10-17

PROCESS SYSTEM

#5
20240318883
2024-09-26

DUAL-COMPRESSOR VAPOR CYCLE SYSTEM

#6
20240308669
2024-09-19

ENERGY RECOVERY AND THERMAL CONTROL UTILIZING HEAT PUMP

#7
20240271627
2024-08-15

GEARED AIR CYCLE MACHINE FAN FOR AIRCRAFT SYSTEMS

#8
20240270390
2024-08-15

Electric Temperature Control System for Unpressurized Aircraft

#9
20240246681
2024-07-25

AIRCRAFT ENVIRONMENTAL CONTROL SYSTEM

#10
20230373640
2023-11-23

Electric temperature control system for unpressurized aircraft

#11
20230373636
2023-11-23

Decentralized Control Panel Architecture

#12
20230348071
2023-11-02

ENVIRONMENTAL CONTROL SYSTEM AND VAPOR CONTROL SYSTEM WATER SEPARATION OVERLAP

#13
20230339616
2023-10-26

ENVIRONMENTAL CONTROL SYSTEM WITH AIR POWERED PUMP

#14
20230303252
2023-09-28

Electric motor driven air cycle environmental control system

#15
20230227166
2023-07-20

Component cooling and cooling air flow generation from remote heat exchanger

#16
20230227165
2023-07-20

Methods, Systems, and Apparatuses for Reducing Ozone Concentration and Reducing VOC Concentration in Aircraft Cabin Environment Recirculated Airflow

#17
20230166846
2023-06-01

VARIABLE CHILLER EXHAUST WITH CROWN VENTILATION

#18
20230112214
2023-04-13

Humidification system for aircraft

#19
20230105630
2023-04-06

Ambient air environmental control system

#20
20230069975
2023-03-09

Hydrogen systems for environmental control systems onboard aircraft

#21
20220388667
2022-12-08

System for raising indoor pressure of air mobility

#22
20220357082
2022-11-10

Bimodal cooling system

#23
20220315226
2022-10-06

Using bleed air to supply outside air to a cabin

#24
20220194603
2022-06-23

TWIN-TURBINE AIR CONDITIONING SYSTEM

#25
20220185485
2022-06-16

Air conditioning system equipped with a system for the thermal management of oil and of pressurized air

#26
20220177142
2022-06-09

Aircraft environmental control systems including airflow interleavers and methods for controlling airflow within aircraft

#27
20220169393
2022-06-02

AMBIENT AIR ARCHITECTURE WITH SINGLE AIR CYCLE MACHINE AND HIGH PRESSURE WATER SEPARATOR

#28
20220135235
2022-05-05

VENTILATION SYSTEMS AND METHODS FOR INTERNAL CABINS OF VEHICLES

#29
20220054694
2022-02-24

Peroxide-generating air purification element

#30
20220033093
2022-02-03

Aircraft environmental control system

#31
20220033092
2022-02-03

Aircraft environmental control system

#32
20220033091
2022-02-03

Aircraft environmental control system

#33
20220033090
2022-02-03

Aircraft environmental control system

#34
20220033089
2022-02-03

Aircraft environmental control system

#35
20220033087
2022-02-03

Aircraft environmental control system

#36
20220033086
2022-02-03

Aircraft environmental control system

#37
20220033085
2022-02-03

Aircraft environmental control system

#38
20220033084
2022-02-03

Aircraft environmental control system

#39
20220016290
2022-01-20

SYSTEM AND METHOD FOR REGULATING THE TEMPERATURE OF THE CABIN OF AN AIRCRAFT WHEN ON THE GROUND

#40
20210339872
2021-11-04

Variable chiller exhaust with crown ventilation

#41
20210221521
2021-07-22

Aircraft air conditioning device

#42
20210197975
2021-07-01

AIRCRAFT ENVIRONMENTAL CONTROL SYSTEM

#43
20210188448
2021-06-24

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

#44
20210123534
2021-04-29

Compressor valves for aircraft

#45
20210122476
2021-04-29

Aircraft moisture control

#46
20210114737
2021-04-22

Removable auxiliary air conditioning system for a confined area

#47
20210107662
2021-04-15

Environmental control system

#48
20210070453
2021-03-11

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

#49
20200391872
2020-12-17

Using bleed air to supply outside air to a cabin

#50
20200385128
2020-12-10

Aircraft environmental control system

#51
20200355121
2020-11-12

Bleed expander cooling with turbine

#52
20200298982
2020-09-24

Aircraft cabin air monitor

#53
20200070985
2020-03-05

Environmental cooling systems for aircraft

#54
20190344891
2019-11-14

Integrated passenger service unit (PSU)

#55
20190338706
2019-11-07

Super-cooled heat exchanger of an air cycle machine

#56
20190337627
2019-11-07

Two mode system that provides bleed and outside air or just outside air

#57
20190291874
2019-09-26

Air cycle machine module air gate seal for environmental control systems

#58
20190291872
2019-09-26

Environmental control system including shared air source with balanced airflow output

#59
20190283885
2019-09-19

Cooling systems having inline supplemental ram air heat exchangers

#60
20190277535
2019-09-12

Dual tube silencer for separate gas flows

#61
20190256213
2019-08-22

DUCT AND METHOD FOR DIRECTING A FLOW OF AIR FROM AN AIR-COOLED DEVICE ONBOARD AN AIRCRAFT

#62
20190161195
2019-05-30

Aircraft cabin air monitor

#63
20190152612
2019-05-23

Oxygen supply device and method for supplying a passenger cabin of an aircraft with oxygen

#64
20190112052
2019-04-18

Supplemental pack driven by bleed air and cabin air

#65
20180305030
2018-10-25

Method and device for thermal control of a plurality of cabins of a vehicle

#66
20180237144
2018-08-23

Two mode system that provides bleed and outside air or just outside air

#67
20180229849
2018-08-16

Reverse air cycle machine (RACM) thermal management systems and methods

#68
20180215474
2018-08-02

Advanced environmental control system in an integrated pack arrangement with one bleed/outflow heat exchanger

#69
20180215472
2018-08-02

Advanced environmental control system in an integrated split pack arrangement with two bleed/outflow heat exchangers

#70
20180186469
2018-07-05

Non-invasive and predictive health monitoring of an aircraft system

#71
20180162536
2018-06-14

Air cycle machine module air gate seal for environmental control systems

#72
20180111693
2018-04-26

Environmental control system

#73
20180058333
2018-03-01

Bleed air systems for use with aircraft and related methods

#74
20170327234
2017-11-16

AIRCRAFT HUMIDIFIER

#75
20170268838
2017-09-21

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

#76
20170233083
2017-08-17

Thermal management systems and methods

#77
20170233082
2017-08-17

Thermal management systems and methods

#78
20170152050
2017-06-01

Aircraft air conditioning system with ambient air supply and method for operating such an aircraft air conditioning system

#79
20170106985
2017-04-20

Aircraft pneumatic system

#80
20170084095
2017-03-23

METHODS FOR DETERMINING PERFORMANCE OF AN AIR-CONDITIONING SYSTEM OF AN AIRCRAFT

#81
20170057641
2017-03-02

Integrated air and vapor cycle cooling system

#82
20160355269
2016-12-08

Unequal bleed flow

#83
20160311540
2016-10-27

Modular environmental air conditioning system

#84
20160257411
2016-09-08

Aircraft supplementary cooling system by evaporating liquid nitrogen

#85
20160257410
2016-09-08

Replacement system providing replacement air to an inerting system

#86
20160244171
2016-08-25

Aircraft equipment cooling

#87
20160198591
2016-07-07

Passive aircraft cooling systems and methods

#88
20150314878
2015-11-05

AIRCRAFT ENVIRONMENTAL CONDITIONING SYSTEM AND METHOD

#89
20150275769
2015-10-01

Bleed air systems for use with aircraft and related methods

#90
20150246729
2015-09-03

Air conditioning system and methods of assembling the same

#91
20140260340
2014-09-18

Adaptive trans-critical COcooling systems for aerospace applications

#92
20140162542
2014-06-12

Method and system for emergency ventilating and pressurizing an aircraft cabin

#93
20140077396
2014-03-20

Aircraft humidifier

#94
20130230409
2013-09-05

Environmental control system having parallel compressors and method of controllably operating

#95
20130160472
2013-06-27

Aircraft air conditioning system comprising a separate refrigeration cycle

#96
20130118190
2013-05-16

Turbo air compressor

#97
20120273051
2012-11-01

Optimized defrosting regulation of parallel arranged fresh air outlets of air conditioners

#98
20110151762
2011-06-23

Air supply system of an aircraft and method for mixing two air streams in an air supply system

#99
20100273410
2010-10-28

Device and method for distributing air in a cargo aircraft

#100
20090321062
2009-12-31

Cooling system for cooling heat loads on board an aircraft and method for operating such a cooling system

#101
20090255277
2009-10-15

OPTIMIZED DEFROSTING REGULATION OF PARALLEL ARRANGED FRESH AIR OUTLETS OF AIR CONDITIONERS

#102
20090230243
2009-09-17

Environmental control system pack pallets

#103
20090117840
2009-05-07

Method of operating an aircraft system

#104
20080032616
2008-02-07

Aircraft air conditioning system and method of operating an aircraft air conditioning system

#105
20070284480
2007-12-13

Electric-based secondary power system architectures for aircraft

#106
20070267540
2007-11-22

ELECTRIC-BASED SECONDARY POWER SYSTEM ARCHITECTURES FOR AIRCRAFT

#107
20070158499
2007-07-12

Aircraft air disinfection system

#108
20070119585
2007-05-31

Device and method for temperature control in an aircraft cabin

#109
20070113579
2007-05-24

Low energy electric air cycle with portal shroud cabin air compressor

#110
20060102790
2006-05-18

Electric-based secondary power system architectures for aircraft

#111
20050188716
2005-09-01

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

#112
20050011217
2005-01-20

Air-conditioning system

#113
18742456
2025-12-16

Powered turbo-expander combining centrifugal compressor and an axial flow turbine