ClassID:

72108

B64C27/18 - CPC Classification

Classification description:

Rotorcraft; Rotors peculiar thereto; Helicopters; Rotor drives; Drive of rotors by means, e.g. propellers, mounted on rotor blades the means being jet-reaction apparatus

Recent Application in this class:
#1
20240158074
2024-05-16

METHOD FOR DRIVING A ROTOR WITH THE AID OF A JET ENGINE

#2
20240002042
2024-01-04

A ROTOR BLADE AND PRESSURE REGULATING ARRANGEMENT

#3
20230365254
2023-11-16

ROTOR WING AIRCRAFT WITH PROPULSION APPARATUS ON ROTATING POLE

#4
20230356833
2023-11-09

AIRCRAFT PROPULSION AND TORQUE MITIGATION TECHNOLOGIES

#5
20220363373
2022-11-17

Reaction jet helicopter

#6
20220306309
2022-09-29

Optimised nozzle geometry

#7
20220289367
2022-09-15

Rotating wing aircraft

#8
20210403150
2021-12-30

Rotary wing aircraft with improved propulsion system

#9
20210362843
2021-11-25

Turbine engine secondary ejector system

#10
20210039777
2021-02-11

ELECTRIC TIP-JET ENGINES FOR AIRCRAFT ROTORS

#11
20210039776
2021-02-11

Aircraft propulsion and torque mitigation technologies

#12
20200094951
2020-03-26

Rotor wing aircraft with propulsion apparatus on rotating pole

#13
20190390554
2019-12-26

Ventilated high pressure blade of a helicopter turbine comprising an upstream duct and a central cooling chamber

#14
20190315461
2019-10-17

ROTARY-WINGED VEHICLE SYSTEMS AND DEVICES

#15
20190127058
2019-05-02

Swash plate system for helicopter rotor

#16
20190055016
2019-02-21

Hybrid powered unmanned aircraft system

#17
20180370624
2018-12-27

Rotary wing VTOL with fixed wing forward flight mode

#18
20180319487
2018-11-08

Rotorcraft configuration

#19
20180244380
2018-08-30

Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft

#20
20180170536
2018-06-21

Rotor/wing aircraft including vectorable nozzle

#21
20180111680
2018-04-26

Electric cold flow tipjet rotorcraft

#22
20180086445
2018-03-29

Oblique rotor-wing aircraft

#23
20180022450
2018-01-25

Aviation device comprising a bearing structure and a rotating member equipped with fixing means which make it possible to fix at least one blade

#24
20170197708
2017-07-13

Nozzles for a reaction drive blade tip with turning vanes

#25
20170008622
2017-01-12

Aircraft

#26
20160272311
2016-09-22

Deflection cone in a reaction drive helicopter

#27
20160090174
2016-03-31

REACTION DRIVE BLADE TIP WITH TURNING VANES

#28
20160001881
2016-01-07

Mission-adaptive rotor blade with circulation control

#29
20150367934
2015-12-24

Reaction drive helicopter with circulation control

#30
20150142219
2015-05-21

Low speed autogyro yaw control apparatus and method

#31
20140248149
2014-09-04

Rotor/wing aircraft including vectorable nozzle

#32
20130168491
2013-07-04

Mission-adaptive rotor blade with circulation control

#33
20130161444
2013-06-27

HIGH EFFICIENCY HUB FOR PRESSURE JET HELICOPTERS

#34
20130037652
2013-02-14

Rotorcraft, dynamic, CG management apparatus and method

#35
20120312915
2012-12-13

Low speed autogyro yaw control apparatus and method

#36
20120299450
2012-11-29

Electrical power supply device for electrically powering at least one item of equipment on a rotary rotor of an aircraft, and an aircraft

#37
20120199692
2012-08-09

REACTIVE DRIVE ROTOR HEAD WITH EXTERNAL SWASHPLATE

#38
20120168568
2012-07-05

Rotor unloading apparatus and method

#39
20120168556
2012-07-05

Pre-landing, rotor-spin-up apparatus and method

#40
20120156050
2012-06-21

Detachable rotor blade fairing apparatus and method

#41
20120153073
2012-06-21

Mission-adaptive rotor blade

#42
20120104157
2012-05-03

Rotor driven auxiliary power apparatus and method

#43
20120104156
2012-05-03

Use of auxiliary rudders for yaw control at low speed

#44
20110089835
2011-04-21

Systems and methods for plasma jets

#45
20110001014
2011-01-06

TWIN VORTEX VTOL AIRCRAFT

#46
20100260607
2010-10-14

Autonomic rotor system for an aircraft

#47
20100252673
2010-10-07

Aerial device

#48
20100090414
2010-04-15

Rotary seal

#49
20100074758
2010-03-25

Laminar flow rotor and related methods and systems

#50
20090309354
2009-12-17

Flexible ducting system including an articulable sealed joint

#51
20090250548
2009-10-08

Flexible ducting system including an articulable sealed joint

#52
20090206208
2009-08-20

Reaction drive rotor/wing variable area nozzle

#53
20090045294
2009-02-19

Systems and methods for rotor/wing aircraft

#54
20090039206
2009-02-12

Bird vortex flying machine

#55
20090032638
2009-02-05

Helicopter

#56
20080141653
2008-06-19

Engine propulsion system and methods of assembling the same

#57
20080135677
2008-06-12

Reaction-drive rotorcraft having an adjustable blade jet

#58
20070290099
2007-12-20

Decoupled ducting for twin-engine reaction rotor drive

#59
20070119827
2007-05-31

SYSTEMS AND METHODS FOR PLASMA JETS

#60
20070095970
2007-05-03

Rotor wing aircraft having an adjustable tail nozzle

#61
20070095969
2007-05-03

Rotor wing aircraft having a bypassable radial inflow turbine

#62
20060131282
2006-06-22

Systems and methods for plasma jets

#63
20060054737
2006-03-16

Tandem rotor wing rotational position control system

#64
20050224633
2005-10-13

Low-drag rotor/wing flap

#65
14756420
2018-02-27

Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft

#66
14544854
2017-04-18

Blade root attachment apparatus and method

#67
14544654
2017-04-25

Heliplane rotor thermal management for maintaining dimensional stability

#68
13999366
2015-12-08

Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft

#69
13373433
2015-05-26

Rotor configuration for reaction drive rotor system

#70
13373421
2015-10-27

Hub-mounted auxilliary systems for tipjets in a reaction drive rotor system

#71
13373406
2015-03-31

Solid lubricated blade pitch control system for use within a compressed airstream of a reaction driven rotorcraft

#72
13317750
2015-09-22

Rotor blade subsystems attachment

#73
13199720
2015-09-01

Tip jet attachment apparatus and method

#74
13199712
2016-02-16

Oil lubricated swashplate

#75
13199705
2015-03-10

Blade root attachment apparatus and method

#76
13199684
2015-05-05

Torsionally stiff rotorcraft control apparatus and method

#77
13199682
2015-01-13

Fail safe, multiple source, tip-jet supply apparatus and method

#78
13199681
2015-02-10

Heliplane rotor thermal management for maintaining dimensional stability

#79
13199678
2015-07-07

Feathering-spindle-bearing lubrication and temperature control