ClassID:

72111

B64C27/24 - CPC Classification

Classification description:

Rotorcraft; Rotors peculiar thereto; Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft with rotor blades fixed in flight to act as lifting surfaces

Recent Application in this class:
#1
20260145778
2026-05-28

Control of Vertical Take Off and Landing Aircraft

#2
20260138739
2026-05-21

HIGH-SPEED VERTICAL TAKE-OFF AND LANDING AIRCRAFT

#3
20250382052
2025-12-18

TRANSMISSION SYSTEM

#4
20250125691
2025-04-17

APPARATUS FOR FACILITATING PROPULSION OF A VEHICLE

#5
20240300635
2024-09-12

BAGGAGE ACCESS IN VEHICLE AND METHODS THEREOF

#6
20240208643
2024-06-27

FLIGHT VEHICLE

#7
20240208642
2024-06-27

A VERTICAL TAKE-OFF AND LANDING AIRCRAFT, METHODS AND SYSTEMS FOR CONTROLLING A VERTICAL TAKE-OFF AND LANDING AIRCRAFT

#8
20230391449
2023-12-07

Aircraft

#9
20230382521
2023-11-30

STRUCTURAL FEATURES OF VERTICAL TAKE-OFF AND LANDING (VTOL) AERIAL VEHICLE

#10
20230202686
2023-06-29

ROTARY WING AIRCRAFT

#11
20230192285
2023-06-22

Aircraft

#12
20230192279
2023-06-22

Rotary wing aircraft with at least two rotors and a propulsion unit

#13
20230174224
2023-06-08

AIRCRAFT

#14
20230139693
2023-05-04

AIR VEHICLE AND METHOD FOR OPERATING THE AIR VEHICLE

#15
20230113569
2023-04-13

Apparatus for facilitating propulsion of a vehicle

#16
20230091705
2023-03-23

Convertible Staggerwing Aircraft having Optimized Hover Power

#17
20230002045
2023-01-05

Drone

#18
20220363374
2022-11-17

AERIAL VEHICLE

#19
20220306290
2022-09-29

CONTROL SYSTEM FOR CONTROLLING AT LEAST ONE PROPELLER OF A COMPOUND ROTORCRAFT, ASSOCIATED COMPOUND ROTORCRAFT AND CONTROL METHOD

#20
20220111950
2022-04-14

Ducted fan of an aircraft and aircraft

#21
20210371091
2021-12-02

FLIGHT EFFICIENCY IMPROVING SYSTEM FOR COMPOUND HELICOPTER

#22
20200398980
2020-12-24

Flight control handle and a hybrid rotorcraft provided with a lift rotor and with at least one propeller propulsive rotor that generates thrust

#23
20200331601
2020-10-22

Aircraft with vertical takeoff and landing and its operating process

#24
20200130822
2020-04-30

Helicopter using electric propeller torque arm as power source driving main rotor

#25
20200010185
2020-01-09

AIRCRAFT

#26
20190233094
2019-08-01

Control system for a stopped rotor aircraft

#27
20190071171
2019-03-07

Propeller units

#28
20190023385
2019-01-24

Electric motor-driven compound aircraft

#29
20180370624
2018-12-27

Rotary wing VTOL with fixed wing forward flight mode

#30
20180215464
2018-08-02

Devices and methods for in flight transition VTOL/fixed wing hybrid aircraft structures and flight modes

#31
20180170536
2018-06-21

Rotor/wing aircraft including vectorable nozzle

#32
20180093770
2018-04-05

Unmanned aerial vehicle configuration for extended flight and heat dissipation

#33
20180086445
2018-03-29

Oblique rotor-wing aircraft

#34
20180057162
2018-03-01

Aircraft having rotor-to-wing conversion capabilities

#35
20180057161
2018-03-01

Aircraft having dual rotor-to-wing conversion capabilities

#36
20170341741
2017-11-30

Control system for a stopped rotor aircraft

#37
20170341740
2017-11-30

Stopped rotor aircraft

#38
20170283048
2017-10-05

CONVERTABLE LIFTING PROPELLER FOR UNMANNED AERIAL VEHICLE

#39
20170217577
2017-08-03

HYBRID AIRCRAFT

#40
20170197709
2017-07-13

Compound rotorcraft

#41
20170008622
2017-01-12

Aircraft

#42
20160347446
2016-12-01

Devices and methods for in flight transition VTOL/fixed wing hybrid aircraft structures and flight modes

#43
20160318498
2016-11-03

MULTI ROTOR AIRTRAIN

#44
20160129998
2016-05-12

Unmanned aerial vehicle configuration for extended flight

#45
20160046369
2016-02-18

Aircraft and methods for operating an aircraft

#46
20150367935
2015-12-24

Passive deployment mechanism for lift fan

#47
20140346283
2014-11-27

Aircraft using turbo-electric hybrid propulsion system for multi-mode operation

#48
20140312177
2014-10-23

Coaxial rotor/wing aircraft

#49
20140248149
2014-09-04

Rotor/wing aircraft including vectorable nozzle

#50
20120223191
2012-09-06

Short landing air vehicle by the use of rotating wings

#51
20120097801
2012-04-26

Supersonic hovering air vehicle

#52
20110180673
2011-07-28

TAKING OFF AND LANDING AIRPLANE USING VARIABLE ROTARY WINGS

#53
20100243820
2010-09-30

TAKING OFF AND LANDING AIRPLANE USING VARIABLE ROTARY WINGS

#54
20100230547
2010-09-16

Stop-rotor rotary wing aircraft

#55
20090321573
2009-12-31

Rotor/wing dual mode hub fairing system

#56
20090206208
2009-08-20

Reaction drive rotor/wing variable area nozzle

#57
20090045294
2009-02-19

Systems and methods for rotor/wing aircraft

#58
20090014599
2009-01-15

Convertible aerial vehicle with contra-rotating wing/rotors and twin tilting wing and propeller units

#59
20080149759
2008-06-26

Rotor/wing dual mode hub fairing system

#60
20080135677
2008-06-12

Reaction-drive rotorcraft having an adjustable blade jet

#61
20070290099
2007-12-20

Decoupled ducting for twin-engine reaction rotor drive

#62
20070170307
2007-07-26

Convertible aircraft operating method

#63
20070095970
2007-05-03

Rotor wing aircraft having an adjustable tail nozzle

#64
20070095969
2007-05-03

Rotor wing aircraft having a bypassable radial inflow turbine

#65
20060266879
2006-11-30

Tandem rotor wing and tandem fixed wing aircraft

#66
20060054737
2006-03-16

Tandem rotor wing rotational position control system

#67
20050224633
2005-10-13

Low-drag rotor/wing flap

#68
15957733
2019-05-21

Control system for a stopped rotor aircraft

#69
15886606
2020-09-08

Hover airlift logistics operations guided expeditionary autonomous scalable and modular VTOL platform

#70
14706162
2018-11-27

Propeller units

#71
13317750
2015-09-22

Rotor blade subsystems attachment