ClassID:

71966

B64C11/32 - CPC Classification

Classification description:

Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft; Blade pitch-changing mechanisms mechanical

Sub-classes:
Recent Application in this class:
#1
20260103281
2026-04-16

ELECTRIC VERTICAL TAKE-OFF AND LANDING AIRCRAFT

#2
20260028116
2026-01-29

PROPELLER FOR AN AIRCRAFT TURBINE ENGINE

#3
20250313359
2025-10-09

ROTOR BLADE ASSEMBLY FOR UNMANNED AERIAL VEHICLE SYSTEMS AND METHODS

#4
20250256840
2025-08-14

ROTOR CONTROL FOR A CONVERTIBLE AIRCRAFT

#5
20240418093
2024-12-19

Compact Blade Pitch Mechanism And Aircraft Using Same

#6
20240376939
2024-11-14

COVERING SYSTEM AND METHOD FOR A PITCH LINK OF A HELICOPTER

#7
20240367775
2024-11-07

PROPELLER FOR AN AIRCRAFT TURBOMACHINE

#8
20240218800
2024-07-04

System for changing the pitch of the blades of a turbomachine propeller

#9
20240151240
2024-05-09

Variable pitch fan of a gas turbine engine

#10
20240116629
2024-04-11

LINKED LOW PITCH STOP FOR TILTING PROPELLERS

#11
20240076032
2024-03-07

Actuator for pitch control for a rotor system of an aircraft

#12
20240068373
2024-02-29

Pitch change mechanism for a fan of a gas turbine engine

#13
20240051688
2024-02-15

VERTICAL TAKEOFF AND LANDING HYBRID DRONE SUITABLE FOR FLYING IN WINDY CONDITIONS

#14
20240051656
2024-02-15

CONTROLLING EXCITATION LOADS ASSOCIATED WITH OPEN ROTOR AERONAUTICAL ENGINES

#15
20240035550
2024-02-01

CONTROL DEVICE

#16
20230339601
2023-10-26

ROTOR ASSEMBLY

#17
20230294818
2023-09-21

Electromechanical blade pitch control

#18
20230287864
2023-09-14

Universal propeller, operating method and favoured use

#19
20230271695
2023-08-31

TURBINE ENGINE MODULE EQUIPPED WITH A PROPELLER AND STATOR VANES SUPPORTED BY RETAINING MEANS AND CORRESPONDING TURBINE ENGINE

#20
20230249802
2023-08-10

Propeller provided with interchangeable blades and a method of mounting interchangeable blades on a propeller

#21
20230121921
2023-04-20

Gearbox and associated aircraft

#22
20230085208
2023-03-16

Variable pitch fan assembly with remote counterweights

#23
20230079110
2023-03-16

Turbomachine module equipped with a blade pitch-changing system of a stator vane

#24
20220402594
2022-12-22

High-efficiency propeller for aircraft

#25
20220355924
2022-11-10

Rotor assembly with static mast and pivoting rotor hub

#26
20220348309
2022-11-03

COMPACT FITTING FOR COUPLING BLADE TO ROTOR HUB

#27
20220316348
2022-10-06

Variable pitch fan assembly with remote counterweights

#28
20220266982
2022-08-25

BLADE PITCH CONTROL

#29
20210394897
2021-12-23

Duct vane rotation system

#30
20210291962
2021-09-23

Variable pitch bladed disc

#31
20210024208
2021-01-28

Vertical takeoff and landing aircraft with tiltable rotors

#32
20210016864
2021-01-21

Reluctance driven axial modulating mechanism for rotating shafts realizing a controllable pitch propeller/fan/turbine

#33
20200407045
2020-12-31

Propeller provided with interchangeable blades and a method of mounting interchangeable blades on a propeller

#34
20200407044
2020-12-31

Rotor hubs having pitch control systems and related methods

#35
20200391847
2020-12-17

Pitch-change apparatus and method of pitching rotor blades

#36
20200331586
2020-10-22

Single-axis gimbal mounted propulsion systems for aircraft

#37
20200331585
2020-10-22

Low latency pitch adjustable rotors

#38
20200189720
2020-06-18

Propeller system

#39
20200148332
2020-05-14

Inboard beam with pin system for anti-rotation and centrifugal force retention

#40
20200130813
2020-04-30

Method of improving a stability speed of a tiltrotor aircraft

#41
20200047906
2020-02-13

Invertible aircraft

#42
20200024981
2020-01-23

Variable pitch fan actuator

#43
20200023960
2020-01-23

Vertical takeoff and landing (VTOL) air vehicle

#44
20190315476
2019-10-17

Electric Aircraft Propulsion System

#45
20190263502
2019-08-29

Adaptable rotor control system for a variable number of blades

#46
20190256206
2019-08-22

Gear-driven axial modulating mechanism for rotating shafts realizing a controllable pitch propeller/fan

#47
20190193835
2019-06-27

Controlling blade pitch by a plurality of electric motors

#48
20190161179
2019-05-30

Helicopter rotor head, multirotor helicopter, and helicopter

#49
20190144110
2019-05-16

Cycloidal rotor or propeller with performance and flows optimization

#50
20190135412
2019-05-09

Selectively thrusting propulsion units for aerial vehicles

#51
20190127058
2019-05-02

Swash plate system for helicopter rotor

#52
20190118941
2019-04-25

Unmanned aerial vehicle and propulsion system for an unmanned aerial vehicle

#53
20190063574
2019-02-28

Summing and fault tolerant rotary actuator assembly

#54
20190061915
2019-02-28

Adaptable rotor control system for a variable number of blades

#55
20190061914
2019-02-28

Aircraft propeller comprising collapsible variable pitch blades

#56
20190031339
2019-01-31

VTOL aircraft for external load operations

#57
20190016441
2019-01-17

Blade fold mechanism

#58
20190010957
2019-01-10

Variable pitch blade pivot for a turbine engine fan hub

#59
20190002085
2019-01-03

Articulated rotor systems with pitch independent damping

#60
20180370626
2018-12-27

Variable pitch propeller apparatus and variable thrust aircraft using same

#61
20180363481
2018-12-20

Variable pitch change control method

#62
20180354607
2018-12-13

Gimbaled fan

#63
20180306039
2018-10-25

Variable pitch fan blade system

#64
20180290741
2018-10-11

Vertical takeoff and landing (VTOL) air vehicle

#65
20180281928
2018-10-04

Propeller system with directional thrust control

#66
20180257761
2018-09-13

Aircraft having single-axis gimbal mounted propulsion systems

#67
20180244368
2018-08-30

Pitch control device for a ducted tail rotor of a rotorcraft

#68
20180105264
2018-04-19

Rotor blade control horn arrangements

#69
20180072412
2018-03-15

Adjustment of track and balance of a multi-blade rotor

#70
20180058324
2018-03-01

Means for controlling a pitch change system comprising an anti-rotation device, a pitch change system equipped with said control means, and a corresponding turbine engine

#71
20180058260
2018-03-01

Turbine engine with an oil guiding device and method for disassembling the turbine engine

#72
20180043990
2018-02-15

Pitch change module for turbine engine and corresponding turbine engine

#73
20180043989
2018-02-15

Pitch-change system equipped with means for adjusting blade pitch and corresponding turbine engine

#74
20180043988
2018-02-15

Automated variable pitch propeller blade

#75
20170355455
2017-12-14

Vertical takeoff and landing (VTOL) air vehicle

#76
20170313404
2017-11-02

Propeller for an aircraft turbo engine, including safety means for controlling blade angle of attack

#77
20170283036
2017-10-05

Propeller pitch control system

#78
20170274981
2017-09-28

Selectively thrusting propulsion units for aerial vehicles

#79
20170267328
2017-09-21

Propeller pitch change actuation system

#80
20170240289
2017-08-24

Invertible aircraft

#81
20170175814
2017-06-22

Lubricated rolling bearing for blade roots

#82
20170144746
2017-05-25

Tilrotor aircraft having rotary and non rotary flight modes

#83
20170138207
2017-05-18

Variable pitch fan actuator

#84
20170101877
2017-04-13

Variable pitch fan blade retention system

#85
20170066522
2017-03-09

Pitch change mechanism for a bladed rotor

#86
20170016337
2017-01-19

Laterally reinforced variable pitch rotor

#87
20160214712
2016-07-28

Vertical takeoff and landing (VTOL) air vehicle

#88
20160207610
2016-07-21

Aircraft with drive element coupled to gearbox housing exterior

#89
20160152335
2016-06-02

Invertible aircraft

#90
20160130010
2016-05-12

Invertible aircraft

#91
20150285262
2015-10-08

Device and method for controlling the pitch of blades

#92
20150246725
2015-09-03

PROPULSIVE TAIL PROPELLER ASSEMBLY OR TAIL DUCT FAN ASSEMBLY WITH CYCLIC AND COLLECTIVE CONTROL AND/OR A METHOD OF THRUST VECTORING FOR AIRCRAFT MANEUVERING AND FOR HELICOPTOR SINGLE ROTOR HEAD ANTI TORQUE

#93
20150093059
2015-04-02

System and method of monitoring wear in a bearing

#94
20150050149
2015-02-19

Propeller pitchlock system with a rotating interface

#95
20140341739
2014-11-20

Propeller blade pivot

#96
20140322016
2014-10-30

System for controlling the pitch of the propeller blades of a turbomachine, and a turbomachine with a propeller for an aircraft with such a system

#97
20140299709
2014-10-09

Low drag rotor system

#98
20140271204
2014-09-18

Tiltrotor control system with two rise/fall actuators

#99
20140154074
2014-06-05

Apparatus, system, and method for pitching and twisting a blade of a rotorcraft

#100
20140138477
2014-05-22

Invertible aircraft

#101
20140064914
2014-03-06

Control rod device

#102
20130259688
2013-10-03

PITCH LOCK SYSTEM

#103
20130136596
2013-05-30

Blade-pitch control system with feedback swashplate

#104
20130089422
2013-04-11

Adaptive twist system for a rotor blade

#105
20130011261
2013-01-10

Assembly having a control device with racks for controlling the angular position of pivotally-mounted blades in a turbine engine

#106
20120308385
2012-12-06

Turboprop provided with a blade-positioning device

#107
20120294718
2012-11-22

Variable pitch propeller rotor

#108
20120099987
2012-04-26

Stationary actuator device for controlling the pitch of fan blades of a turboprop

#109
20120093652
2012-04-19

Unducted propeller with variable pitch blades for a turbomachine

#110
20120070292
2012-03-22

Movable actuator device for controlling the pitch of fan blades of a turboprop

#111
20120070290
2012-03-22

Device for controlling the pitch of fan blades of a turboprop

#112
20110274545
2011-11-10

Pitch control mechanism

#113
20110171027
2011-07-14

Torque compensation for propeller pitch change mechanism

#114
20110164980
2011-07-07

Propeller assembly pitch change apparatus

#115
20110038730
2011-02-17

Device for changing a pitch of a blade of an impeller/propeller and a fan comprising the device

#116
20100308157
2010-12-09

Mechanical device for combining first and second control orders, and an aircraft provided with such a device

#117
20100272571
2010-10-28

Phase adjustment mechanism

#118
20100075552
2010-03-25

MARINE PROPULSION AND CONSTRUCTIONAL DETAILS THEREOF

#119
20100048069
2010-02-25

MARINE PROPULSION AND CONSTRUCTIONAL DETAILS THEREOF

#120
20090311100
2009-12-17

Turboprop including a set of adjustable-pitch blades

#121
18462425
2024-01-23

Propeller control mechanism

#122
16213636
2019-11-19

Propeller with passive variable pitch and rotatable base

#123
15945652
2020-06-23

Variable pitch propeller mechanisms using shape memory materials

#124
15605572
2020-02-18

Variable pitch mechanisms for propeller blades using linear actuation

#125
15083123
2017-05-30

Selectively thrusting propulsion units for aerial vehicles