ClassID:

72480

B64D2013/0688 - 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 with means for recirculating cabin air

Recent Application in this class:
#1
20260084823
2026-03-26

ENVIRONMENTAL CONTROL SYSTEM WITH CABIN VENT-AIR COOLED HEAT EXCHANGER AND WATER VAPOR COGENERATION

#2
20260015088
2026-01-15

Aircraft portion comprising a cabin air circulation system

#3
20250382061
2025-12-18

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

#4
20250304265
2025-10-02

CARGO LINING ASSEMBLY FOR AN AIRCRAFT WITH VENTILATION

#5
20250282481
2025-09-11

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

#6
20250269724
2025-08-28

Vehicle Cabin Thermal Management System and Method

#7
20250108925
2025-04-03

CABIN OCCUPANCY SENSOR FOR AIRCRAFT ECS

#8
20240367801
2024-11-07

RECIRCULATION GROUND MAINTENANCE MODE

#9
20240358880
2024-10-31

CABIN ISOLATION ASSEMBLIES

#10
20240317408
2024-09-26

Apparatus for Controlling Temperature and Pressure of Aircraft

#11
20240308669
2024-09-19

ENERGY RECOVERY AND THERMAL CONTROL UTILIZING HEAT PUMP

#12
20240286765
2024-08-29

METHOD FOR MAINTENANCE OF AN AIRCRAFT AIR CONDITIONING INSTALLATION, AND AIRCRAFT AIR CONDITIONING SYSTEM

#13
20240270390
2024-08-15

Electric Temperature Control System for Unpressurized Aircraft

#14
20240208652
2024-06-27

AIR MANAGEMENT SYSTEM WITH NEGATIVE ION TECHNOLOGY FOR IMPROVED AIR QUALITY

#15
20240182175
2024-06-06

RECIRCULATION AIR MOTOR DRIVEN ACM

#16
20240150025
2024-05-09

PACK MANAGEMENT SYSTEM FOR ENVIRONMENTAL CONTROL SYSTEM

#17
20240076043
2024-03-07

MOVING OBJECT

#18
20240059417
2024-02-22

Vehicle cabin thermal management system and method

#19
20240034475
2024-02-01

ENVIRONMENTAL CONTROL SYSTEM

#20
20240017837
2024-01-18

AIRCRAFT AIR CONDITIONING DEVICE COMPRISING A LARGE-CAPACITY MIXER, METHOD FOR INSTALLING SUCH A DEVICE AND AIRCRAFT EQUIPPED WITH SUCH AN AIR CONDITIONING DEVICE

#21
20230391458
2023-12-07

MODULE FOR SUPPLYING PRESSURIZED FRESH AIR TO AN AIR-CONDITIONING PACK OF AN AIRCRAFT CABIN, AIR-CONDITIONING SYSTEM EQUIPPED WITH SUCH A MODULE, AND CORRESPONDING METHOD

#22
20230373640
2023-11-23

Electric temperature control system for unpressurized aircraft

#23
20230365263
2023-11-16

ENVIRONMENTAL CONTROL SYSTEM HAVING A FUEL CELL ASSEMBLY

#24
20230348068
2023-11-02

Trim module with thermoelectric cooler

#25
20230271708
2023-08-31

Insert for suction duct

#26
20230241537
2023-08-03

Mist and vapor eliminating filter, device, system and method of use

#27
20230227165
2023-07-20

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

#28
20230175521
2023-06-08

Fan impeller with thin blades

#29
20230069975
2023-03-09

Hydrogen systems for environmental control systems onboard aircraft

#30
20220316997
2022-10-06

Supply air contamination sensor

#31
20220250753
2022-08-11

Air conditioning system with cabin air recovery

#32
20220194600
2022-06-23

Ram exhaust module

#33
20220194599
2022-06-23

Flexible turbine arrangement air cycle machine with adaptive heat exchanger

#34
20220194597
2022-06-23

Cabin air compressor with liquid cooled passage formed in the case

#35
20220194596
2022-06-23

ELECTRIC COMPRESSOR WITH POWER GENERATING TURBINE THAT RECYCLES ENGINE AIR

#36
20220177142
2022-06-09

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

#37
20220177141
2022-06-09

Recirculation ground maintenance mode

#38
20220169394
2022-06-02

Vehicle cabin thermal management system and method

#39
20220135236
2022-05-05

AIRCRAFT HAVING AN ENGINE AND A SYSTEM FOR COOLING THE ENGINE

#40
20220128324
2022-04-28

HEAT EXCHANGER MANIFOLD

#41
20220096701
2022-03-31

Air purification and disinfection apparatus and methods of use

#42
20220089289
2022-03-24

Air flow management

#43
20220048633
2022-02-17

Aircraft cabin disinfection

#44
20220041288
2022-02-10

AIRCRAFT SEATS WITH AIR VENTS

#45
20220033092
2022-02-03

Aircraft environmental control system

#46
20220033091
2022-02-03

Aircraft environmental control system

#47
20220033090
2022-02-03

Aircraft environmental control system

#48
20220033089
2022-02-03

Aircraft environmental control system

#49
20220033085
2022-02-03

Aircraft environmental control system

#50
20220033084
2022-02-03

Aircraft environmental control system

#51
20220024595
2022-01-27

Environmental control system for use in an aircraft

#52
20220009641
2022-01-13

Vehicle and method of cooling a compartment of said vehicle

#53
20210394911
2021-12-23

Methods and systems for decontaminating aircraft cabins and providing indications for safe reentry

#54
20210394103
2021-12-23

Apparatus and method for irradiating air in an air circulation system of a vehicle

#55
20210361817
2021-11-25

Cabin isolation assemblies

#56
20210361815
2021-11-25

UV sterilization apparatus, system, and method for aircraft air systems

#57
20210354832
2021-11-18

Shoestring environmental control system for an aircraft

#58
20210346563
2021-11-11

Systems, apparatus and methods for purifying air

#59
20210338877
2021-11-04

Integration of UV light into aircraft air management systems

#60
20210316868
2021-10-14

Air quality improvement for pressurized aircraft

#61
20210284343
2021-09-16

GERM PROTECTION SYSTEM FOR VEHICLES, HOSPITALS, RESTAURANTS, SCHOOLS, NURSING HOMES, LIFTS AND THE LIKE

#62
20210276720
2021-09-09

Regenerative filter system

#63
20210269164
2021-09-02

High-temperature sterilization air conditioning system for airplane and sterilization method

#64
20210197975
2021-07-01

AIRCRAFT ENVIRONMENTAL CONTROL SYSTEM

#65
20210197974
2021-07-01

Aircraft environmental control system

#66
20210188449
2021-06-24

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

#67
20210188448
2021-06-24

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

#68
20210183740
2021-06-17

Flatpack thermoelectric air chiller with pre-cooling cycle

#69
20210179275
2021-06-17

Aircraft environmental control system

#70
20210171204
2021-06-10

Bootstrap air cycle with vapor power turbine

#71
20210122478
2021-04-29

AIRCRAFT SYSTEMS AND RELATED METHODS

#72
20210122476
2021-04-29

Aircraft moisture control

#73
20210114736
2021-04-22

Pack management system for environmental control system

#74
20210107662
2021-04-15

Environmental control system

#75
20210053689
2021-02-25

Vehicle cabin thermal management system and method

#76
20210053688
2021-02-25

SAMPLING TO RECORD BIOLOGICAL CONTAMINANTS OF OCCUPANT ZONES IN AIRCRAFT

#77
20210039794
2021-02-11

Cabin outflow air energy optimized cabin pressurizing system

#78
20200377217
2020-12-03

Aircraft environmental control system

#79
20200377216
2020-12-03

AIRCRAFT CABIN AIR THERMODYNAMIC CONTROL

#80
20200298982
2020-09-24

Aircraft cabin air monitor

#81
20200298980
2020-09-24

Shoestring environmental control system for an aircraft

#82
20200283155
2020-09-10

Low pressure pack

#83
20200283154
2020-09-10

Low pressure pack

#84
20200269986
2020-08-27

AIR CONDITIONING PIPING STRUCTURE FOR AIRCRAFT AND AIR CONDITIONING SYSTEM

#85
20200180772
2020-06-11

Systems and methods to produce aircraft cabin supply air

#86
20200179851
2020-06-11

Water extractors and methods of making water extractors

#87
20200156796
2020-05-21

Carbon dioxide adsorber for aircraft

#88
20200140096
2020-05-07

Aircraft air conditioning system with a cabin exhaust air turbine

#89
20200140095
2020-05-07

Aircraft air conditioning system with a cabin exhaust air turbine

#90
20200130849
2020-04-30

Aircraft refrigeration system having a motor-assisted cabin exhaust air turbine

#91
20200094971
2020-03-26

Insert for suction duct

#92
20200070984
2020-03-05

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

#93
20200031477
2020-01-30

Mixer assembly with surrounding filter element, stowage space with mixer assembly, vehicle with a stowage space and method for installing a mixer assembly

#94
20200010202
2020-01-09

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

#95
20190337627
2019-11-07

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

#96
20190322373
2019-10-24

Aircraft cooling system and aircraft with aircraft cooling system

#97
20190299135
2019-10-03

Inline water separators

#98
20190291874
2019-09-26

Air cycle machine module air gate seal for environmental control systems

#99
20190283884
2019-09-19

Cabin pressure control system architecture using cabin pressure air for inlet to APU core compressor

#100
20190185167
2019-06-20

Autonomous aircraft cabin energy recovery module and corresponding method

#101
20190161195
2019-05-30

Aircraft cabin air monitor

#102
20190135441
2019-05-09

Regenerative system ECOECS

#103
20190135440
2019-05-09

Aircraft enviromental control system with series bleed air turbines

#104
20190100318
2019-04-04

Aerospace vehicle environmental control system

#105
20190063851
2019-02-28

Heat exchanger assembly

#106
20190047711
2019-02-14

AIRCRAFT COMPRISING AN AIR CONDITIONING DEVICE POSITIONED IN THE NOSE OF THE AIRCRAFT

#107
20190039738
2019-02-07

Cabin outflow air energy optimized cabin pressurizing system

#108
20190002111
2019-01-03

Mixing bleed and ram air using an air cycle machine with two turbines

#109
20190002110
2019-01-03

MIXING BLEED AND RAM AIR USING AN AIR CYCLE MACHINE WITH TWO TURBINES

#110
20190002108
2019-01-03

Three wheel and simple cycle aircraft environmental control system

#111
20180370636
2018-12-27

Aircraft cabin environmental control system and method and aircraft equipped with such control system

#112
20180362166
2018-12-20

High efficiency electrically driven environmental control system

#113
20180354628
2018-12-13

System for mixing and distributing air in an aircraft cabin and aircraft having such a system

#114
20180331599
2018-11-15

Motor cooling utilizing cabin air

#115
20180327099
2018-11-15

Blended flow air cycle system for environmental control

#116
20180327098
2018-11-15

Humidifier especially for aircrafts

#117
20180297709
2018-10-18

Fresh air and recirculation air mixing optimization

#118
20180291925
2018-10-11

Fan inlet diffuser housing for an air cycle machine system

#119
20180281975
2018-10-04

Air distribution system and method for an air conditioning system in an air vehicle

#120
20180265204
2018-09-20

Combined VOC-O2—CO2 treatment system

#121
20180237144
2018-08-23

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

#122
20180231276
2018-08-16

Pre-Conditioned Air System with Recirculating Evaporative Air Cooling

#123
20180215474
2018-08-02

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

#124
20180215473
2018-08-02

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

#125
20180215472
2018-08-02

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

#126
20180194481
2018-07-12

Simplified recuperating electric ECS

#127
20180194480
2018-07-12

Jet engine cold air cooling system

#128
20180194479
2018-07-12

Jet engine cold air cooling system

#129
20180170554
2018-06-21

Environmental control system with ejector-enhanced cooling

#130
20180162536
2018-06-14

Air cycle machine module air gate seal for environmental control systems

#131
20180162535
2018-06-14

AIR DISTRIBUTION SYSTEM WITH RECIRCULATING ZONE TRIM TEC

#132
20180148183
2018-05-31

Aircraft air conditioning system that is operable assisted by cabin exhaust air with an electrically powered ambient air compressor

#133
20180148182
2018-05-31

Airflow management in cabin of aircraft

#134
20180148180
2018-05-31

Aircraft air quality monitoring system and method

#135
20180141665
2018-05-24

System and method for determining the origin of an oil leakage in an air supply system

#136
20180118351
2018-05-03

Adjustable sensor or sensor network to selectively enhance identification of select chemical species

#137
20180057175
2018-03-01

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

#138
20180057174
2018-03-01

Aircraft air conditioning system and method for operating such an aircraft air conditioning system

#139
20170355466
2017-12-14

Air conditioning system for a “more electric” airplane

#140
20170341768
2017-11-30

Environmental control system with an outflow heat exchanger

#141
20170341765
2017-11-30

Mixing bleed and ram air using an air cycle machine with two turbines

#142
20170341764
2017-11-30

Mixing ram and bleed air in a dual entry turbine system

#143
20170341763
2017-11-30

NONE

#144
20170341762
2017-11-30

Air purification system and method of assembling

#145
20170341761
2017-11-30

Mixing bleed and ram air using a dual use turbine system

#146
20170327234
2017-11-16

AIRCRAFT HUMIDIFIER

#147
20170321722
2017-11-09

Air cycle machine fan and compressor housing

#148
20170305560
2017-10-26

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

#149
20170305558
2017-10-26

Environmental control system utilizing two pass secondary heat exchanger and cabin pressure assist

#150
20170305557
2017-10-26

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

#151
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

#152
20170268838
2017-09-21

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

#153
20170268837
2017-09-21

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

#154
20170268810
2017-09-21

Heat Exchanger with Integral Bypass Valve

#155
20170267358
2017-09-21

Dewatering device for an air conditioning system of a plane

#156
20170203845
2017-07-20

Low pressure pack

#157
20170190430
2017-07-06

Air conditioning system

#158
20170190429
2017-07-06

AIR CONDITIONING SYSTEM

#159
20170190428
2017-07-06

Air conditioning system

#160
20170152050
2017-06-01

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

#161
20170088271
2017-03-30

System and method for providing temperature control

#162
20170080374
2017-03-23

Method to use ultrafine particulate matter detection and measurement to control air supply system contaminant delivery to the aircraft cabin environment

#163
20170066536
2017-03-09

Aircraft air conditioning system with a reduced process air demand

#164
20170057642
2017-03-02

AIRCRAFT AIR CONDITIONING SYSTEM FOR CONNECTION TO AN AIRCRAFT-EXTERNAL AIR PRODUCTION UNIT

#165
20170036769
2017-02-09

AIRCRAFT INSULATION SYSTEM AND AIRCRAFT AIR CONDITIONING AND INSULATION ARRANGEMENT

#166
20170036768
2017-02-09

AUXILLARY POWER UNIT ASSEMBLY AND A METHOD OF USING THE SAME

#167
20170021296
2017-01-26

Filter and method for producing same

#168
20160377100
2016-12-29

Flow straightener apparatus and systems for ducted air

#169
20160376009
2016-12-29

Flight deck takeoff duct and trim air mix muff

#170
20160355267
2016-12-08

Recirculation system for parallel ram heat exchangers

#171
20160340048
2016-11-24

Blended flow air cycle system for environmental control

#172
20160318613
2016-11-03

Combined VOC—O2—CO2 treatment system

#173
20160312648
2016-10-27

Environmental control system mixing cabin discharge air with bleed air during a cycle

#174
20160311540
2016-10-27

Modular environmental air conditioning system

#175
20160311539
2016-10-27

Environmental control system mixing cabin discharge air with bleed air during a cycle

#176
20160311538
2016-10-27

Environmental control system utilizing cabin discharge air to power a cycle

#177
20160272331
2016-09-22

Air conditioning method and system for aircraft

#178
20160256590
2016-09-08

Air purifier for transportation vehicles

#179
20160231031
2016-08-11

Environmental control system utilizing cabin air to drive a power turbine of an air cycle machine and utilizing multiple mix points for recirculation air in accordance with pressure mode

#180
20160214723
2016-07-28

Aircraft environmental control system that optimizes the proportion of outside air from engines, APU's, ground air sources and the recirculated cabin air to maintain occupant comfort and maximize fuel economy

#181
20160198591
2016-07-07

Passive aircraft cooling systems and methods

#182
20160194086
2016-07-07

Air diffuser systems, methods, and apparatuses

#183
20160153359
2016-06-02

Jet engine cold air cooling system

#184
20160146114
2016-05-26

Environmental air conditioning system

#185
20160130005
2016-05-12

Aircraft provided with an improved air conditioning system

#186
20160101869
2016-04-14

System and method for air conditioning at least one partial region of an airplane

#187
20160083100
2016-03-24

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

#188
20150329210
2015-11-19

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

#189
20150307196
2015-10-29

Environmental control system utilizing shoestring cycle to maximize efficiency

#190
20150307195
2015-10-29

Environmental control system utilizing shoestring cycle to maximize efficiency

#191
20150251766
2015-09-10

Turbo-compressor system and method for extracting energy from an aircraft engine

#192
20150251764
2015-09-10

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

#193
20150246729
2015-09-03

Air conditioning system and methods of assembling the same

#194
20150099444
2015-04-09

Systems and methods for controlling airflow in a vehicle

#195
20150021006
2015-01-22

Methods and device for mixing airflows in environmental control systems

#196
20150013355
2015-01-15

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

#197
20140302765
2014-10-09

Mixing device with reduced risk of icing

#198
20140245775
2014-09-04

Mixer and air pack for use in aircraft air supply system

#199
20140238234
2014-08-28

Aircraft cabin air entrainment filtration with condensation drain

#200
20140080397
2014-03-20

Self-cooled motor driven compressor

#201
20140077396
2014-03-20

Aircraft humidifier

#202
20130327891
2013-12-12

Environmental control system and methods of operating same

#203
20130277009
2013-10-24

Condenser with recirculation air mixer

#204
20130248164
2013-09-26

Aircraft air conditioning system and method for controlling an aircraft air conditioning system using a bypass valve

#205
20130160472
2013-06-27

Aircraft air conditioning system comprising a separate refrigeration cycle

#206
20130133348
2013-05-30

Blended flow air cycle system for environmental control

#207
20130130607
2013-05-23

Mixing device for an aircraft air conditioning system

#208
20130067945
2013-03-21

Compressor/turbine arrangement, air conditioning unit and method for operating a compressor/turbine arrangement

#209
20130035027
2013-02-07

Mixer assembly for an aircraft air conditioning system

#210
20120186282
2012-07-26

Recirculation heat exchanger outlet header

#211
20120118528
2012-05-17

Cooling concept for fuel cell emergency power supply

#212
20110237173
2011-09-29

System and method for air conditioning an aircraft cabin with improved cooling capacity

#213
20110212678
2011-09-01

System and method for air-conditioning an aircraft cabin

#214
20110171896
2011-07-14

System And Method For Pumping Recirculation Air From An Aircraft Cabin

#215
20110151762
2011-06-23

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

#216
20110107777
2011-05-12

System and method for improved cooling efficiency of an aircraft during both ground and flight operation

#217
20100323601
2010-12-23

AIR CONDITIONING SYSTEM FOR AIRCRAFT CABINS

#218
20100279595
2010-11-04

Cabin air supply apparatus with filtered air

#219
20100240290
2010-09-23

System and method for air conditioning at least one partial region of an airplane

#220
20100101251
2010-04-29

Method and system for controlling an aircraft air conditioning system with optimised fuel consumption

#221
20100072837
2010-03-25

Motor cooling system

#222
20100043794
2010-02-25

Conditioned air supply method and supply system for aircraft

#223
20090291625
2009-11-26

Air system

#224
20090277445
2009-11-12

System for improving air quality in an aircraft pressure cabin

#225
20090217681
2009-09-03

Air-conditioning system with icing protection for an aircraft

#226
20090189018
2009-07-30

Method for isolating a cabin wall of an aircraft or for cooling or heating of cabin air and a cabin wall suitable therefore

#227
20090138125
2009-05-28

Environmental control system

#228
20090084896
2009-04-02

Cabin air system for aviation electronics

#229
20090017742
2009-01-15

Ionized-re-circulating air-aircraft

#230
20080283663
2008-11-20

Systems and methods for providing airflow in an aerospace vehicle

#231
20080264084
2008-10-30

PRESSURIZED CLOSED COOLING SYSTEM

#232
20080099606
2008-05-01

Cabin air supply apparatus with filtered air

#233
20080019842
2008-01-24

System and method for controlling compressor flow

#234
20070271952
2007-11-29

Integrated environmental control and auxiliary power system for an aircraft

#235
20070158499
2007-07-12

Aircraft air disinfection system

#236
20070158122
2007-07-12

Motor cooling system

#237
20070137234
2007-06-21

Integrated control system for combined galley refrigeration unit and cabin air conditioning system

#238
20060219842
2006-10-05

Systems and methods for cargo compartment air conditioning using recirculated air

#239
20050188716
2005-09-01

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

#240
20050166629
2005-08-04

Air conditioning system

#241
20050061913
2005-03-24

Aircraft air conditioning system mixer with corrugations

#242
20050061911
2005-03-24

Air cycle air conditioning with adaptive ram heat exchanger

#243
20050061019
2005-03-24

Aircraft air conditioning system mixer

#244
18742456
2025-12-16

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

#245
17817504
2023-10-10

Aircraft cabin air conditioning system