Patents-Review.com
ClassID:

72051 ⎘

B64C25/22 - CPC Classification

Classification description:

Alighting gear; Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like; Operating mechanisms fluid

Recent Application in this class:
#1
20260145786
2026-05-28

AIRCRAFT LANDING GEAR ASSEMBLY

 #2
20260145785
2026-05-28

METHOD AND ELECTROHYDRAULIC SYSTEM FOR CONTROLLING A RETRACTABLE LANDING GEAR OF AN AIRCRAFT, LANDING GEAR AND AIRCRAFT

 #3
20260145784
2026-05-28

AIRCRAFT LANDING GEAR ASSEMBLY

 #4
20260138735
2026-05-21

Locking Electromechanical Actuator with Pneumatic Backup

 #5
20260091868
2026-04-02

AIRCRAFT

 #6
20250334134
2025-10-30

HYDRAULIC ACTUATOR

 #7
20250313334
2025-10-09

Uplock Unlock Electro-Hydrostatic Actuator

 #8
20250187725
2025-06-12

HYDRAULIC ACTUATION SYSTEM

 #9
20250187724
2025-06-12

HYDRAULIC ACTUATOR

 #10
20250145280
2025-05-08

STRUT FOR AIRCRAFT LANDING GEAR EQUIPPED WITH AN ACCUMULATOR, LANDING GEAR COMPRISING SUCH A STRUT, AND AIRCRAFT COMPRISING AT LEAST ONE SUCH LANDING GEAR

 #11
20250074581
2025-03-06

RETRACT ACTUATOR ASSEMBLIES, LANDING GEAR ASSEMBLIES AND METHODS FOR KNEELING LANDING GEAR ASSEMBLY OF AIRCRAFT

 #12
20250027518
2025-01-23

HYDRAULIC ACTUATOR AND METHOD FOR OPERATING

 #13
20250002141
2025-01-02

SYSTEM AND METHOD FOR LANDING GEAR EXTENSION AND RETRACTION

 #14
20240336353
2024-10-10

COUNTERBALANCED RETRACT ACTUATOR FOR LANDING GEAR

 #15
20240317390
2024-09-26

HYDRAULIC MOTOR START ASSIST

 #16
20240199201
2024-06-20

LANDING GEAR SYSTEMS AND METHODS OF TESTING

 #17
20240140382
2024-05-02

IN HYDRAULIC SYSTEMS

 #18
20240093704
2024-03-21

CONTROL MODULE FOR HYDRAULIC SYSTEM

 #19
20240051659
2024-02-15

SWING-ARM PISTON LANDING GEAR SYSTEMS AND METHODS

 #20
20240034462
2024-02-01

Method for adjusting the angular position of a wheel, in particular a wheel of an aircraft landing gear

 #21
20230406486
2023-12-21

AIRCRAFT LANDING GEAR

 #22
20230399097
2023-12-14

Systems and methods for landing gear actuation via trunnion drive

 #23
20230356830
2023-11-09

Landing gear locking device

 #24
20230339605
2023-10-26

Hydraulic actuator including a multi-head piston for hydraulic gearing

 #25
20230339604
2023-10-26

Hydraulic actuator including a multi-head piston for hydraulic gearing

 #26
20230332628
2023-10-19

AIRCRAFT POWER SYSTEM

 #27
20230322370
2023-10-12

Landing gear actuation system

 #28
20230264808
2023-08-24

Compact aircraft actuator system

 #29
20230257109
2023-08-17

Counterbalanced retract actuator for landing gear

 #30
20230192275
2023-06-22

Retractable aircraft landing gear provided with a strut having an integrated actuator

 #31
20230174222
2023-06-08

EHA system for lifting/lowering landing gear

 #32
20230133313
2023-05-04

On the ground detection for VTOL aircraft

 #33
20230045934
2023-02-16

ACTUATOR WITH OFFSET SUPPLY PORT

 #34
20220380027
2022-12-01

Tilting landing gear systems and methods

 #35
20220372999
2022-11-24

Control module for hydraulic system

 #36
20220281591
2022-09-08

Nose-wheel steering system

 #37
20220258854
2022-08-18

Landing gear controller

 #38
20220204156
2022-06-30

SURFING ARRANGEMENT FOR MOUNTING TO AN AIRCRAFT, AND AN AIRCRAFT COMPRISING SUCH AN ARRANGEMENT

 #39
20220194564
2022-06-23

Aircraft hydraulic actuation system with chambers for hydraulic fluid

 #40
20220177118
2022-06-09

Landing gear system for an aircraft

 #41
20220170487
2022-06-02

Aircraft power system

 #42
20220169367
2022-06-02

Redundant hydraulic power pack architecture for aircraft main landing gear system

 #43
20220136532
2022-05-05

Landing gear lifting/lowering EHA system

 #44
20220033069
2022-02-03

Aircraft assembly

 #45
20210291966
2021-09-23

Actuator for an aircraft landing gear assembly

 #46
20210278003
2021-09-09

Check valve assembly having a poppet

 #47
20210246914
2021-08-12

Control module for hydraulic system

 #48
20210245869
2021-08-12

Nose wheel steering system

 #49
20210206477
2021-07-08

Aircraft landing gear

 #50
20210140539
2021-05-13

Electromechanical actuator pump

 #51
20210122462
2021-04-29

RELOCATABLE MAIN LANDING GEAR

 #52
20210086891
2021-03-25

Electric nose landing gear architecture

 #53
20200362887
2020-11-19

Hydraulic actuator equipped with an end-of travel slowing device

 #54
20200354045
2020-11-12

Landing gear with hydraulic fluid channels

 #55
20200231274
2020-07-23

Upper side stay with monolithic unlock actuator

 #56
20200207464
2020-07-02

Tilting landing gear systems and methods

 #57
20200207463
2020-07-02

Swing-arm pivot piston landing gear systems and methods

 #58
20200164970
2020-05-28

Hydraulic circuit for operating an aircraft landing gear

 #59
20200148339
2020-05-14

Method for securing an aircraft wheel drive actuator in an open position

 #60
20200115042
2020-04-16

Aircraft landing gear, aircraft, and related methods

 #61
20200003237
2020-01-02

Fault prediction in hydraulic systems

 #62
20190270513
2019-09-05

Single axle, semi-levered landing gear with shortening mechanism

 #63
20190263511
2019-08-29

Methods and apparatus for controlling landing gear retract braking

 #64
20190263507
2019-08-29

SYSTEM FOR MOVING AN AIRCRAFT DOOR

 #65
20190241256
2019-08-08

Undercarriage having a slotted strut

 #66
20190233086
2019-08-01

Aircraft hydraulic system

 #67
20190217945
2019-07-18

Hybrid actuator

 #68
20190211848
2019-07-11

Hydraulic systems for shrinking landing gear

 #69
20190210716
2019-07-11

Hydraulic systems for shrinking landing gear

 #70
20190202550
2019-07-04

Aircraft assembly

 #71
20190193846
2019-06-27

Strut shrink using accumulator as energy source

 #72
20190185145
2019-06-20

Aircraft landing gear assembly

 #73
20190152589
2019-05-23

Aircraft assembly actuation system

 #74
20190152588
2019-05-23

Shock strut with integral shrink piston actuator

 #75
20190144102
2019-05-16

Methods and apparatus for controlling landing gear shrink

 #76
20190127053
2019-05-02

Aircraft undercarriage with braked and motor-driven wheels

 #77
20190063472
2019-02-28

Low profile electro-hydrostatic actuator

 #78
20190031325
2019-01-31

Emission-capturing apparatus and method for capturing emissions from an ejection port

 #79
20180370618
2018-12-27

Heavy-lift unmanned aerial vehicle landing gear system

 #80
20180370616
2018-12-27

Aircraft hydraulics

 #81
20180362151
2018-12-20

Landing gear controller

 #82
20180339766
2018-11-29

Landing gear bogie pitch trimmer

 #83
20180244371
2018-08-30

Aircraft landing gear, aircraft, and related methods

 #84
20180237129
2018-08-23

Method and apparatus for determining a movement direction of a component of a mechanism

 #85
20180222599
2018-08-09

Hydraulic actuator and accumulator arrangement

 #86
20180208299
2018-07-26

Actuator in a landing gear system of an aircraft

 #87
20180208298
2018-07-26

Single axle, semi-levered landing gear with shortening mechanism

 #88
20180201365
2018-07-19

Landing gear folding brace with locking actuator

 #89
20180194460
2018-07-12

Two stage strut allowing low initial compression load

 #90
20180194459
2018-07-12

Undercarriage for aircraft, aircraft and aircraft landing method

 #91
20180172035
2018-06-21

Centre seeking actuator

 #92
20180162522
2018-06-14

Non-jamming shrink latch assembly for retractable aircraft landing gear

 #93
20180155044
2018-06-07

Method and apparatus for operating a power system architecture

 #94
20180141644
2018-05-24

Adaptive landing gear assembly for rotary wing aircraft

 #95
20180079496
2018-03-22

Landing gear arrangement with passive shock strut shrink actuator

 #96
20180079494
2018-03-22

Aircraft landing gear, aircraft, and related methods

 #97
20180043998
2018-02-15

Remote hydraulic utility system for an aircraft

 #98
20180002000
2018-01-04

ELECTRO-HYDROSTATIC ACTUATOR SYSTEM FOR RAISING AND LOWERING AIRCRAFT LANDING GEAR

 #99
20180001999
2018-01-04

Tilting landing gear systems and methods

 #100
20170369162
2017-12-28

Multi-mode unmanned aerial vehicle

 #101
20170341738
2017-11-30

Retraction / extension of a landing gear in an aircraft

 #102
20170313414
2017-11-02

Rod end

 #103
20170283093
2017-10-05

Emission-capturing apparatus and method for capturing emissions from an ejection port

 #104
20170191509
2017-07-06

Systems and methods for heat balance and transport for aircraft hydraulic systems

 #105
20170088256
2017-03-30

Hydraulic cylinder for aircraft landing gear

 #106
20170057619
2017-03-02

Dynamic activation of pumps of a fluid power system

 #107
20160375991
2016-12-29

Dual locking hydraulic actuator for structural brace

 #108
20160348701
2016-12-01

Actuator

 #109
20160305456
2016-10-20

Hydraulic actuator and method of producing the same

 #110
20160280361
2016-09-29

Retractable landing gear

 #111
20160280360
2016-09-29

Aircraft landing gear

 #112
20160272304
2016-09-22

Composite actuator rod end assembly

 #113
20160222993
2016-08-04

Composite actuator piston head assembly

 #114
20160221666
2016-08-04

Proximity sensor for aircraft and having a hydraulic fuse

 #115
20160221665
2016-08-04

Control system comprising a control rod

 #116
20160207616
2016-07-21

Hydraulic strut assembly for semi-levered landing gear

 #117
20160147236
2016-05-26

Engine driven pump (EDP) automatic depressurization system

 #118
20160129996
2016-05-12

Apparatus and method for controlling landing gear

 #119
20160089721
2016-03-31

Aerospace component and method for producing an aerospace component

 #120
20160052623
2016-02-25

Landing gear assembly

 #121
20150367933
2015-12-24

Strut length and pressure regulation system

 #122
20150274283
2015-10-01

Shrinking system for landing gear

 #123
20150151832
2015-06-04

Emergency gravity free-fall deployment systems for retractable aircraft landing gear assemblies

 #124
20150102163
2015-04-16

Shrink strut landing gear system, method, and apparatus

 #125
20150101480
2015-04-16

Shrink strut landing gear system, method, and apparatus

 #126
20150097080
2015-04-09

Rocking bogie mechanism

 #127
20150096288
2015-04-09

Systems and methods for heat balance and transport for aircraft hydraulic systems

 #128
20140366522
2014-12-18

ELECTRO HYDROSTATIC ACTUATOR

 #129
20140346273
2014-11-27

Active semi-levered landing gear

 #130
20140263833
2014-09-18

LANDING GEAR

 #131
20140197277
2014-07-17

Aircraft support structure

 #132
20140197276
2014-07-17

Aircraft front landing gear and method of operating the same

 #133
20140197275
2014-07-17

Aircraft main landing gear and method of operating the same

 #134
20140197274
2014-07-17

Aircraft fuselage

 #135
20140197272
2014-07-17

Aircraft wing flap device and method of operating the same

 #136
20140151501
2014-06-05

Electro hydrostatic actuator system for retracting/extending landing gear

 #137
20140137680
2014-05-22

Mechanical actuator with a hydraulic damper device

 #138
20130233968
2013-09-12

Aircraft landing gear

 #139
20130228649
2013-09-05

Method of extending aircraft undercarriages in emergency mode

 #140
20130119196
2013-05-16

Hydraulic Strut Assembly for Semi-Levered Landing Gear

 #141
20130112808
2013-05-09

Compact improved aircraft landing gear

 #142
20130068885
2013-03-21

Landing gear retraction/extension device of aircraft

 #143
20130009000
2013-01-10

Method and apparatus for operating an aircraft landing system

 #144
20120247892
2012-10-04

Landing gear system

 #145
20120126055
2012-05-24

Hydraulic actuator for semi levered landing gear

 #146
20120119025
2012-05-17

Landing gear

 #147
20120112001
2012-05-10

Landing gear

 #148
20120112000
2012-05-10

Nose gear of an aircraft comprising a single control device for retraction and steering

 #149
20120097792
2012-04-26

Hydraulic circuit for actuating an undercarriage, and methods of deploying and raising an undercarriage using such a circuit

 #150
20120091271
2012-04-19

Landing gear

 #151
20120085601
2012-04-12

Shut-off valve for hydraulic system

 #152
20110127376
2011-06-02

System for opening and closing the door of an aircraft landing gear compartment

 #153
20110107756
2011-05-12

Electro-hydrostatic actuator excellent in snubbing characteristic, and drive device used for the same, and control method used for the same

 #154
20110024557
2011-02-03

Landing gear

 #155
20100282901
2010-11-11

Pneumatic blow-down actuator

 #156
20100264265
2010-10-21

Landing gear actuation control system

 #157
20100219290
2010-09-02

Electric-powered transfer cylinder for landing gear system

 #158
20100116931
2010-05-13

Variable stroke rear landing gear strut

 #159
20100096499
2010-04-22

Shrinking shock strut system for retractable landing gear

 #160
20090152394
2009-06-18

Method of feeding energy to actuators associated with an aircraft undercarriage

 #161
20090121077
2009-05-14

Method and apparatus for operating an aircraft landing system

 #162
20090095839
2009-04-16

Retraction cylinder and rotorcraft undercarriage furnished with such a retraction cylinder

 #163
20090076668
2009-03-19

Method and apparatus for providing power in an aircraft to one or more aircraft systems

 #164
20090050736
2009-02-26

Landing gear

 #165
20080308672
2008-12-18

Methods and systems for operating aircraft landing gears

 #166
20080277525
2008-11-13

Hydraulic distributor for airplane landing gear

 #167
20080087766
2008-04-17

Architecture for a hydraulic system for operating aircraft landing gear

 #168
20080087765
2008-04-17

Architecture for a hydraulic system for operating aircraft landing gear

 #169
20070089533
2007-04-26

Compliant coupling force control system

 #170
20060027706
2006-02-09

Methods and systems for operating aircraft landing gears

 #171
20050207910
2005-09-22

Linear actuator

 #172
20050082427
2005-04-21

Aircraft landing gear actuation system

 #173
15586224
2017-11-14

Emergency landing gear actuator for aircraft