ClassID:

72057

B64C2025/325 - CPC Classification

Classification description:

Alighting gear characterised by the ground or like engaging elements specially adapted for helicopters

Recent Application in this class:
#1
20260145785
2026-05-28

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

#2
20260134780
2026-05-14

RUGGEDIZED AUTONOMOUS HELICOPTER PLATFORM

#3
20260110346
2026-04-23

ABSORBER

#4
20260070654
2026-03-12

SKID-TYPE LANDING GEAR FOR A ROTORCRAFT

#5
20250382051
2025-12-18

EMERGENCY FLOTATION SYSTEM AND AIRCRAFT WITH EMERGENCY FLOTATION SYSTEM

#6
20250100678
2025-03-27

LANDING GEAR ASSEMBLIES, ROTORCRAFT AND ROTORCRAFT METHODS

#7
20250083809
2025-03-13

EVTOL AIRCRAFT

#8
20250066016
2025-02-27

ADJUSTABLE LANDING GEAR

#9
20250019068
2025-01-16

PIVOTING LANDING GEAR PROVIDED WITH AN IMMOBILIZATION SYSTEM

#10
20240326991
2024-10-03

Rotorcraft provided with an airframe carried by a skid landing gear with zones for taking up variable forces

#11
20240294251
2024-09-05

ROTORCRAFT WITH A NON-RETRACTABLE WHEEL-TYPE LANDING GEAR

#12
20240253775
2024-08-01

Aft Swept Spring Main Landing Gear

#13
20240203267
2024-06-20

Ruggedized autonomous helicopter platform

#14
20240182161
2024-06-06

ROTORCRAFT WITH A NON-RETRACTABLE WHEEL-TYPE LANDING GEAR

#15
20240182160
2024-06-06

Rotorcraft with a non-retractable wheel-type landing gear

#16
20230348048
2023-11-02

ROTARY WING AIRCRAFT WITH AN AT LEAST PARTIALLY NON-RETRACTABLE LANDING GEAR

#17
20230322371
2023-10-12

HELICOPTER GROUND MOVEMENT SYSTEM AND METHOD

#18
20230278701
2023-09-07

Anti-roll oscillation landing wheel rims for rotorcraft

#19
20230150655
2023-05-18

Leaf spring type landing gear

#20
20230133184
2023-05-04

Aerial vehicle

#21
20230098878
2023-03-30

LANDING GEAR FEEDBACK CONTROL SYSTEM FOR AN AIRCRAFT

#22
20230094764
2023-03-30

Anchor for securing an aircraft to a landing grid and aircraft

#23
20230038209
2023-02-09

External airbag for an aircraft and aircraft having an external airbag system

#24
20220411048
2022-12-29

Cable-driven four-bar link leg mechanism

#25
20220335840
2022-10-20

Ruggedized autonomous helicopter platform

#26
20210347469
2021-11-11

Aircraft provided with a buoyancy system, and a buoyancy method

#27
20210237860
2021-08-05

THRUSTER BASED LOCOMOTION FOR PERCHED UNMANNED AERIAL VEHICLES

#28
20210070428
2021-03-11

Composite skid member with varying cross-sections

#29
20210047025
2021-02-18

Landing Gear Device

#30
20210024202
2021-01-28

Landing gear and stiffening member

#31
20200407053
2020-12-31

Inflatable drone with shape memory alloy wires

#32
20200346743
2020-11-05

Energy absorbing landing systems for aircraft

#33
20200298964
2020-09-24

Cable-driven four-bar link leg mechanism

#34
20200216170
2020-07-09

Fully faired landing gear with integrated step

#35
20200216169
2020-07-09

Attachment of a landing gear

#36
20200164971
2020-05-28

Unmanned aerial vehicle and operations thereof

#37
20200156772
2020-05-21

Telescoping shock strut for landing gear

#38
20200148336
2020-05-14

Landing gear of rotorcraft

#39
20200126431
2020-04-23

Ruggedized autonomous helicopter platform

#40
20200122822
2020-04-23

Multi-point contact, flexed landing gear

#41
20200055566
2020-02-20

Watercraft with transom-mounted lifting fin

#42
20190276141
2019-09-12

Unmanned aerial vehicle and operations thereof

#43
20190263530
2019-08-29

Unmanned aerial vehicle provided with detachable motor arms

#44
20190256220
2019-08-22

System for reliable landing gear contact with identification of the surface

#45
20190248479
2019-08-15

Skid landing gear assembly

#46
20190233134
2019-08-01

Ground manoeuvering device with a hydraulic apparatus

#47
20190202549
2019-07-04

Load assembly and unmanned aerial vehicle

#48
20190177935
2019-06-13

Safety tripod

#49
20190176976
2019-06-13

Landing gear systems for aircraft employing a cross tube

#50
20190161181
2019-05-30

System and method for rotorcraft-weight-on-wheels flight state transition control

#51
20190161175
2019-05-30

Retractable landing gear system for a vertical takeoff and landing (VTOL) aircraft

#52
20190146490
2019-05-16

Enhanced taxi control for rigid rotors

#53
20190112036
2019-04-18

Aircraft landing gear assembly with electromechanical actuation and aircraft provided with such assembly

#54
20190106211
2019-04-11

Multicopter with boom-mounted rotors

#55
20190061922
2019-02-28

Thruster based locomotion for perched unmanned aerial vehicles

#56
20190047687
2019-02-14

Helicopter skid landing gear

#57
20190023380
2019-01-24

Rotorcraft having at least one undercarriage with at least one inclined wheel, and a method

#58
20190016448
2019-01-17

Sealed float with batteries

#59
20190002094
2019-01-03

Unmanned aerial vehicle and operations thereof

#60
20180372535
2018-12-27

Aircraft undercarriage having an onboard load-measuring device, and an aircraft

#61
20180346136
2018-12-06

Auxiliary power system for rotorcraft with folding propeller arms and crumple zone loading gear

#62
20180346105
2018-12-06

Aircraft provided with a buoyancy system, and a buoyancy method

#63
20180281935
2018-10-04

Unmanned aerial vehicle and operations thereof

#64
20180251212
2018-09-06

Unmanned aerial vehicle

#65
20180229834
2018-08-16

Unmanned aerial vehicle and operations thereof

#66
20180194459
2018-07-12

Undercarriage for aircraft, aircraft and aircraft landing method

#67
20180194458
2018-07-12

Unmanned aerial vehicle

#68
20180186472
2018-07-05

METHOD AND APPARATUS FOR AN UNMANNED AERIAL VEHICLE WITH A 360-DEGREE CAMERA SYSTEM

#69
20180156246
2018-06-07

PNEUMATIC ACTUATORS FOR SEVERABLE LINKAGE ASSEMBLIES

#70
20180155016
2018-06-07

Aerial vehicle

#71
20180141644
2018-05-24

Adaptive landing gear assembly for rotary wing aircraft

#72
20180086482
2018-03-29

External anchoring harpoon for aircraft

#73
20180065735
2018-03-08

Unmanned rotorcraft and method for measuring circumjacent object around rotorcraft

#74
20180057153
2018-03-01

AIRCRAFT WITH AN EMERGENCY FLOATATION SYSTEM

#75
20170369159
2017-12-28

ROTARY WING AIRCRAFT WITH A FUSELAGE AND A NON-RETRACTABLE SKID-TYPE LANDING GEAR

#76
20170355453
2017-12-14

Drone

#77
20170322069
2017-11-09

Measurement system for aircraft, aircraft having the same, and method of measuring weight for aircraft

#78
20170320594
2017-11-09

Towing system for a travelling machine, in particular for a helicopter

#79
20170320565
2017-11-09

Hinge mechanism for a weight-shifting coaxial helicopter

#80
20170320563
2017-11-09

Aircraft provided with a buoyancy system, and a buoyancy method

#81
20170313433
2017-11-02

Helicopter with battery abnormality detection capability

#82
20170305526
2017-10-26

Drone having at least three lift and propulsion rotors

#83
20170297681
2017-10-19

Flying machine, method for using flying machine, and flying machine frame

#84
20170283042
2017-10-05

Weight-shifting coaxial helicopter

#85
20170217599
2017-08-03

Rotorcraft and heat dissipation structure for motor

#86
20170217570
2017-08-03

Rotorcraft and assembly and disassembly structure for foot stand and airframe of rotorcraft

#87
20170217559
2017-08-03

Rotorcraft and connecting structure for arm and airframe of rotorcraft

#88
20170158311
2017-06-08

Takeoff/landing touchdown protection management system

#89
20170144741
2017-05-25

Aerial vehicle with frame assemblies

#90
20170129591
2017-05-11

Apparatus and method for stabilizing an unmanned aerial system

#91
20170121016
2017-05-04

Unmanned aerial vehicle and operations thereof

#92
20170057626
2017-03-02

PROBE ASSEMBLIES FOR AIRCRAFT SECURING SYSTEMS

#93
20170029106
2017-02-02

Unmanned vehicle

#94
20160375979
2016-12-29

Aircraft structural component that is adapted for absorbing and transmitting forces in an aircraft

#95
20160318633
2016-11-03

Mobile base anchoring device (MOBAD)

#96
20160280362
2016-09-29

Aircraft and landing gear provided with at least one pair of shock absorbers, and a method performed by said landing gear

#97
20160244155
2016-08-25

HELICOPTER SKID LANDING GEAR

#98
20160236777
2016-08-18

AERIAL VEHICLE

#99
20160236772
2016-08-18

AERIAL VEHICLE

#100
20160200207
2016-07-14

Unmanned aerial vehicle, charging station, and automatic charging system for unmanned aerial vehicle including the same

#101
20160167773
2016-06-16

Skid landing gear having at least one damper, and aircraft including the skid landing gear

#102
20160096613
2016-04-07

VTOL symmetric airfoil fuselage of fixed wing design

#103
20160083084
2016-03-24

Unmanned aerial vehicle and operations thereof

#104
20160052625
2016-02-25

Impact absorber device, particularly for aircraft

#105
20160031558
2016-02-04

Unmanned aerial vehicle and operations thereof

#106
20150360758
2015-12-17

Longitudinal scoops for rolling stability

#107
20150336661
2015-11-26

Lightweight helicopter skid shoes

#108
20150329203
2015-11-19

Linking damper system for a rotorcraft landing gear

#109
20150217862
2015-08-06

Buoyancy system for an aircraft, and an aircraft

#110
20150151852
2015-06-04

Landing arresting system for vertical take-off and landing (VTOL) aerial vehicles, landing and take-off platform for VTOL aerial vehicles and VTOL locking member for aerial vehicles

#111
20150151836
2015-06-04

Skid landing gear having at least one cross-member with rockers, and an aircraft

#112
20150102164
2015-04-16

Buoyancy system for an aircraft

#113
20150090837
2015-04-02

Attachment of a landing gear

#114
20150069174
2015-03-12

Unmanned aerial vehicle and operations thereof

#115
20150060606
2015-03-05

Unmanned aerial vehicle and operations thereof

#116
20150041584
2015-02-12

Active vent and re-inflation system for a crash attentuation airbag

#117
20140319265
2014-10-30

Method of automatically triggering an emergency buoyancy system for a hybrid helicopter

#118
20140291442
2014-10-02

Aerial vehicle hold-down harpoon

#119
20140249702
2014-09-04

Configuring landing supports for landing on uneven terrain

#120
20140239116
2014-08-28

Twin-fuselage rotorcraft

#121
20140224928
2014-08-14

Helicopter skid landing gear

#122
20140124620
2014-05-08

Method and system for emergency landing of a vehicle

#123
20140084109
2014-03-27

Landing gear provided with a stiffener for increasing its stiffness in roll, and an aircraft

#124
20140034776
2014-02-06

Vehicle capable of in-air and on-ground mobility

#125
20140034775
2014-02-06

Vehicle capable of stabilizing a payload when in motion

#126
20130341461
2013-12-26

Lightweight Helicopter Skid Shoes

#127
20130325221
2013-12-05

Takeoff/landing touchdown protection management system

#128
20130270393
2013-10-17

Load attachment system for helicopters

#129
20130264419
2013-10-10

Landing gear vibration absorber and method of operating said landing gear vibration absorber

#130
20130228646
2013-09-05

Retracting tailwheel assembly and fin

#131
20130153706
2013-06-20

Life-saving vehicle

#132
20130146706
2013-06-13

Method and a rotary wing aircraft optimized for minimizing the consequences of a running off-specification emergency landing

#133
20130112810
2013-05-09

Skid landing gear system

#134
20130105624
2013-05-02

Landing gear, an aircraft, and a method

#135
20130062465
2013-03-14

High efficiency external airbag for crash attenuation

#136
20130032665
2013-02-07

Active vent and re-inflation system for a crash attenuation airbag

#137
20120234972
2012-09-20

Composite leg for landing gear assembly

#138
20120083945
2012-04-05

Helicopter with multi-rotors and wireless capability

#139
20120080560
2012-04-05

Skid landing gear and an aircraft provided with such landing gear

#140
20120080558
2012-04-05

Aircraft undercarriage

#141
20120043420
2012-02-23

SKID UNDERCARRIAGE AND A METHOD OF PREVENTING A ROTORCRAFT PROVIDED WITH SUCH AN UNDERCARRIAGE FROM TILTING

#142
20110276232
2011-11-10

Method of controlling a buoyancy system for an aircraft, and a control system implementing said method

#143
20110260001
2011-10-27

Landing gear provided with energy absorber means, an aircraft provided with said landing gear, and a method of landing

#144
20110260000
2011-10-27

Energy absorber system for an undercarriage, and an aircraft provided with said energy absorber system

#145
20110233323
2011-09-29

Skid-type landing gear for a helicopter

#146
20110210201
2011-09-01

Fiber-reinforced, composite, structural member exhibiting non-linear strain-to-failure and method of making same

#147
20110204182
2011-08-25

Rotary wing aircraft provided with an emergency undercarriage

#148
20110155848
2011-06-30

Aircraft undercarriage having a rocker lever with a swivel and hinged twin wheels

#149
20110155845
2011-06-30

Retractable helicopter landing gear

#150
20110147518
2011-06-23

Aircraft landing gear

#151
20110139928
2011-06-16

Aerovehicle system including plurality of autogyro assemblies

#152
20110133378
2011-06-09

Helicopter landing gear damper

#153
20110127377
2011-06-02

Tail skid for protecting a structural element of an aircraft, an aircraft provided with such a tail skid, and an anti-overturning method implemented by said tail skid

#154
20110049295
2011-03-03

Reusable rotorcraft bumper, and a rotorcraft having such a bumper

#155
20110049293
2011-03-03

Retractable undercarriage for an aircraft

#156
20110011973
2011-01-20

AIRBAG SYSTEM WITH IMPROVED PERFORMANCE FOR A WIDE RANGE OF LOADS

#157
20100308156
2010-12-09

Split pivot fitting for helicopter landing gear

#158
20100252678
2010-10-07

Ground sensing system

#159
20100237190
2010-09-23

Undercarriage with anticrash and antiresonance skids for a rotary wing aircraft, and an aircraft

#160
20100230534
2010-09-16

Float pack assembly and method of use

#161
20100230530
2010-09-16

Helicopter

#162
20100213316
2010-08-26

Cable protection device

#163
20100206983
2010-08-19

Crash attenuation system for aircraft

#164
20100095788
2010-04-22

Weight-on-gear sensor

#165
20100044508
2010-02-25

Aircraft wing

#166
20090302155
2009-12-10

Flotation systems

#167
20090277992
2009-11-12

Composite leg for landing gear assembly

#168
20090095839
2009-04-16

Retraction cylinder and rotorcraft undercarriage furnished with such a retraction cylinder

#169
20080201026
2008-08-21

Method and a device for controlling the ground clearance of an aircraft

#170
20070228210
2007-10-04

Weight-on-gear sensor

#171
20070181744
2007-08-09

Rotorcraft skid undercarriage and a rotorcraft including such an undercarriage

#172
20070175378
2007-08-02

Floatation system including life raft

#173
20070057118
2007-03-15

Rotary wing aircraft with undercarriage structure

#174
20070057117
2007-03-15

Anti-crash method and system, an undercarriage, and an aircraft

#175
20070032931
2007-02-08

Active suspension method and apparatus for a rotary wing aircraft

#176
20060284009
2006-12-21

Composite landing gear apparatus and methods

#177
20060169834
2006-08-03

Compound helicopter with combined wings and landing struts

#178
20050279885
2005-12-22

Landing assist apparatus with releasable slip ring

#179
20050279884
2005-12-22

Landing assist apparatus eccentric bushing

#180
20050279883
2005-12-22

Landing assist apparatus retention strap spool

#181
20050279882
2005-12-22

Landing assist probe retention strap

#182
20050269453
2005-12-08

Landing assist apparatus with offset landing probe

#183
20050269450
2005-12-08

Landing assist apparatus interface bulkhead and method of installation

#184
20050269449
2005-12-08

Landing assist probe mounting system

#185
20050040285
2005-02-24

Safety device trigger for activating a safety device

#186
18225666
2025-06-17

Leverage-reducing landing gear system, a constant angle suspension landing gear system, or a combination of both systems

#187
17887466
2023-10-24

Shock absorption system for an unmanned aerial vehicle

#188
15783898
2018-08-28

Sealed float with batteries

#189
15694195
2019-11-26

Watercraft lifting fin

#190
15491701
2018-10-30

Remotely controlled co-axial rotorcraft for heavy-lift aerial-crane operations

#191
15249074
2019-01-22

Multicopter with boom-mounted rotors

#192
15166463
2020-06-09

Robotic landing gear for rotorcraft

#193
14672695
2015-08-18

Train track enabled helicopter

#194
14591683
2015-05-19

Telescoping landing leg system