ClassID:

72109

B64C27/20 - page 2 - CPC Classification

Classification description:

Rotorcraft; Rotors peculiar thereto Rotorcraft characterised by having shrouded rotors, e.g. flying platforms

Recent Application in this class:
#301
20160311529
2016-10-27

Modular Electric VTOL Aircraft

#302
20160311526
2016-10-27

Multirotor flying vehicle

#303
20160311521
2016-10-27

Systems, methods, and apparatuses for airfoil configuration in aircraft

#304
20160304193
2016-10-20

Multi-rotor personal air vehicle with a central lifting fan

#305
20160251080
2016-09-01

Tail assembly for a rotorcraft, rotorcraft and method of manufacture of a strengthened tail assembly

#306
20160221671
2016-08-04

Unmanned aerial vehicle with propeller protection and high impact-survivability

#307
20160200415
2016-07-14

Multi-rotor safety shield

#308
20160170416
2016-06-16

FLYING APPARATUS AND METHOD OF REMOTELY CONTROLLING A FLYING APPARATUS USING THE SAME

#309
20160167776
2016-06-16

Modular flight vehicle

#310
20160167775
2016-06-16

High-altitude drone

#311
20160152327
2016-06-02

Rotary device, for instance an air mover such as a fan, a propeller or a lifting rotor, a water turbine or a wind turbine

#312
20160152321
2016-06-02

Volitant vehicle rotating about an axis and method for controlling the same

#313
20160144958
2016-05-26

TETHERED AERIAL SYSTEMS FOR DATA GATHERING

#314
20160144953
2016-05-26

Remote-controlled platform shaped aircraft

#315
20160123182
2016-05-05

Modular thrust system

#316
20160107751
2016-04-21

Controlled flight of a multicopter experiencing a failure affecting an effector

#317
20160052626
2016-02-25

Hybrid gyrodyne aircraft employing a managed autorotation flight control system

#318
20160023759
2016-01-28

Moveable member bearing aerial vehicles and methods of use

#319
20160023754
2016-01-28

Vertical take-off aircraft

#320
20160016664
2016-01-21

UNMANNED AERIAL DELIVERY DEVICE

#321
20160009388
2016-01-14

Electric VTOL Aircraft

#322
20160009387
2016-01-14

Hybrid axial/cross-flow fan multi-rotor aerial vehicle

#323
20160001882
2016-01-07

Method for operating a radio-controlled flying hovercraft

#324
20160001875
2016-01-07

Vertical take-off and landing aerial vehicle

#325
20150360776
2015-12-17

Vertical take-off and landing aerial vehicle

#326
20150344126
2015-12-03

METHOD FOR IMPROVING CROSSWIND STABILITY OF A PROPELLER DUCT AND A CORRESPONDING APPARATUS, SYSTEM AND COMPUTER READABLE MEDIUM

#327
20150298800
2015-10-22

Multi-stage tilting and multi-rotor flying car

#328
20150298799
2015-10-22

Quadcopter with a printable payload extension system and method

#329
20150266570
2015-09-24

Vertical take-off and landing aerial rescue and firefighting platform

#330
20150251757
2015-09-10

Vertical short takeoff and landing apparatus

#331
20150203199
2015-07-23

Disc-shaped aircraft with dual spinning discs

#332
20150197337
2015-07-16

Vertical take-off and landing aircraft

#333
20150147177
2015-05-28

Rotorcraft top fairing having a profile in the shape of a truncated drop of water that is provided with a hump of uneven surface

#334
20150132104
2015-05-14

Variable geometry lift fan mechanism

#335
20150053826
2015-02-26

Vertical take-off and landing aircraft

#336
20150037149
2015-02-05

Rotorcraft control system for rotorcraft with two or more rotor systems

#337
20150012154
2015-01-08

Aircraft

#338
20140254896
2014-09-11

UNMANNED DRONE, ROBOT SYSTEM FOR DELIVERING MAIL, GOODS, HUMANOID SECURITY, CRISIS NEGOTIATION, MOBILE PAYMENTS, SMART HUMANOID MAILBOX AND WEARABLE PERSONAL EXOSKELETON HEAVY LOAD FLYING MACHINE

#339
20140151496
2014-06-05

Modular flying vehicle

#340
20140151494
2014-06-05

VERTICAL TAKE-OFF AND LANDING (VTOL) AERIAL VEHICLE AND METHOD OF OPERATING SUCH A VTOL AERIAL VEHICLE

#341
20140117149
2014-05-01

Tetra-propeller aircraft

#342
20140110533
2014-04-24

Vertical take-off and landing aircraft

#343
20140034776
2014-02-06

Vehicle capable of in-air and on-ground mobility

#344
20140034775
2014-02-06

Vehicle capable of stabilizing a payload when in motion

#345
20130334362
2013-12-19

Planetary de-rotation system for a shaft fairing system

#346
20130306802
2013-11-21

Methods and apparatus for vertical short takeoff and landing

#347
20130233964
2013-09-12

TETHERED AERIAL SYSTEM FOR DATA GATHERING

#348
20130105620
2013-05-02

Sided performance coaxial vertical takeoff and landing (VTOL) UAV and pitch stability technique using oblique active tilting (OAT)

#349
20120303179
2012-11-29

Robot surveillance system and method

#350
20120234984
2012-09-20

Integrated Duct Design for an Unmanned Aerial Vehicle

#351
20120187236
2012-07-26

Vertical and horizontal flight aircraft “sky rover”

#352
20120158215
2012-06-21

Programmable surface

#353
20120153087
2012-06-21

Modular Pods for Use with an Unmanned Aerial Vehicle

#354
20120126064
2012-05-24

UAV ducted fan lip shaping

#355
20120119016
2012-05-17

Modular flight vehicle with wings

#356
20120099983
2012-04-26

Torque Balanced, Lift Rotor Module, Providing Increased Lift, With Few or No Moving Parts

#357
20120097798
2012-04-26

INERTIAL MASS SUSPENSION

#358
20120080564
2012-04-05

Ducted fan for VTOL vehicles with system and method to reduce roll moments

#359
20120056040
2012-03-08

Electric VTOL aircraft

#360
20120037750
2012-02-16

Airlift

#361
20120032032
2012-02-09

Air-vehicle integrated kinesthetic control system

#362
20110315806
2011-12-29

Modular and morphable air vehicle

#363
20110272520
2011-11-10

Electrical driven flying saucer based on magnetic suspension

#364
20110204187
2011-08-25

Homeostatic flying hovercraft

#365
20110180671
2011-07-28

Differential vane vehicle control

#366
20110174920
2011-07-21

FLIGHT CONTROL SYSTEM ESPECIALLY SUITED FOR VTOL VEHICLES

#367
20110168834
2011-07-14

Ducted fan VTOL vehicles

#368
20110163199
2011-07-07

Flying machine comprising twin contra-rotating vertical axis propellers

#369
20110163198
2011-07-07

Safety flier—a parachute-glider air-vehicle with vertical take-off and landing capability

#370
20110155860
2011-06-30

Fluid dynamic device with thrust control shroud

#371
20110147511
2011-06-23

ROTATING WING AIRCRAFT WITH TIP-DRIVEN ROTOR AND ROTOR-GUIDE RING

#372
20110143628
2011-06-16

Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same

#373
20110059672
2011-03-10

Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same

#374
20110057075
2011-03-10

Method for vertical takeoff from and landing on inclined surfaces

#375
20110049307
2011-03-03

VTOL VEHICLE WITH OFFSET ENGINE

#376
20110024553
2011-02-03

Bottom Blade Type Vehicle

#377
20100328169
2010-12-30

Ducted Fan Unmanned Aerial Vehicle Conformal Antenna

#378
20100301168
2010-12-02

System and process of vector propulsion with independent control of three translation and three rotation axis

#379
20100270423
2010-10-28

Planetary de-rotation system for a shaft fairing system

#380
20100270420
2010-10-28

CIRCULAR FIXED WING VTOL AIRCRAFT

#381
20100270419
2010-10-28

REDUNDANCIES AND FLOWS IN VEHICLES

#382
20100264256
2010-10-21

Counter-rotational inertial control of rotorcraft

#383
20100263463
2010-10-21

Gyro Stabilization System for Suspended Platform

#384
20100224723
2010-09-09

AERIAL VEHICLE

#385
20100183442
2010-07-22

Helicopter rotor comprising a vibration damper, and method for updating the same

#386
20100163681
2010-07-01

System and method for a fuel bladder assembly with spiral tubing

#387
20100163680
2010-07-01

System and method for a fuel bladder assembly with internal netting

#388
20100147993
2010-06-17

Hybrid power for ducted fan unmanned aerial systems

#389
20100140415
2010-06-10

Vertical take off and landing unmanned aerial vehicle airframe structure

#390
20100127131
2010-05-27

System and method for a fuel bladder assembly with embossed film

#391
20100116924
2010-05-13

Stabilizing power source for a vehicle

#392
20100116827
2010-05-13

Vertical non-bladdered fuel tank for a ducted fan vehicle

#393
20100108809
2010-05-06

Noise-suppressing strut support system for an unmanned aerial vehicle

#394
20100108807
2010-05-06

Tethered hovering platform

#395
20100076625
2010-03-25

FLIGHT CONTROL COCKPIT MODES IN DUCTED FAN VTOL VEHICLES

#396
20100051740
2010-03-04

VTOL vehicle with coaxially tilted or tiltable rotors

#397
20100025540
2010-02-04

Compact ultralight aircraft reduced dimensions, with vertical take-off and landing

#398
20100019098
2010-01-28

Ducted fan core for use with an unmanned aerial vehicle

#399
20100012790
2010-01-21

GYRO-STABILIZED AIR VEHICLE

#400
20100012776
2010-01-21

Method for vertical takeoff from and landing on inclined surfaces

#401
20090304511
2009-12-10

AERODYNAMIC SHROUD HAVING TEXTURED SURFACE

#402
20090304504
2009-12-10

Ducted fan

#403
20090250549
2009-10-08

Aircraft

#404
20090236467
2009-09-24

Rotary aircraft download alleviation apparatus and methods

#405
20090230235
2009-09-17

Tambourine helicopter

#406
20090224095
2009-09-10

DUCTED VERTICAL TAKE-OFF AND LANDING (VTOL) PERSONNEL CARRIER

#407
20090218438
2009-09-03

VTOL personal aircraft

#408
20090216392
2009-08-27

VECTORED THRUSTER AUGMENTED AIRCRAFT

#409
20090159757
2009-06-25

Ducted Fan Vtol Vehicles

#410
20090140102
2009-06-04

Ducted fan vehicles particularly useful as VTOL aircraft

#411
20090138796
2009-05-28

System for character validation and method therefor

#412
20090084907
2009-04-02

Ground effect vanes arrangement

#413
20090084891
2009-04-02

De-rotation system suitable for use with a shaft fairing system

#414
20090033045
2009-02-05

Payload module for mobility assist

#415
20090008499
2009-01-08

Modular flying vehicle

#416
20080283673
2008-11-20

Ducted fan VTOL vehicles

#417
20080272226
2008-11-06

Ducted fan air vehicle with deployable wings

#418
20080240920
2008-10-02

Rotatable duct type shrouded rotating wing

#419
20080223993
2008-09-18

Homeostatic flying hovercraft

#420
20080142643
2008-06-19

Vehicles particularly useful as VTOL vehicles

#421
20080054121
2008-03-06

Ducted fan VTOL vehicles

#422
20080006737
2008-01-10

AIRCRAFT

#423
20070290097
2007-12-20

Vertical take-off and landing aircraft

#424
20070262195
2007-11-15

UAV With Control and Stability System

#425
20070252033
2007-11-01

Discoidal flying craft

#426
20070181741
2007-08-09

De-rotation system for a counter-rotating, coaxial rotor hub shaft fairing

#427
20070166163
2007-07-19

Rotor hub fairing system for a counter-rotating, coaxial rotor system

#428
20070125905
2007-06-07

Control apparatus and control method for aircraft

#429
20070095971
2007-05-03

Apparatus for generating horizontal forces in aerial vehicles and related method

#430
20070062543
2007-03-22

Stabilizing power source for a vehicle

#431
20070034739
2007-02-15

Ducted fan VTOL vehicles

#432
20070034738
2007-02-15

Aerodynamically stable, VTOL aircraft

#433
20070034734
2007-02-15

Flight control system especially suited for VTOL vehicles

#434
20070023581
2007-02-01

Omnidirectional aircraft

#435
20060269411
2006-11-30

Rotor hub fairing system for a counter-rotating, coaxial rotor system

#436
20060231675
2006-10-19

Gyro-stabilized air vehicle

#437
20060226281
2006-10-12

Ducted fan vertical take-off and landing vehicle

#438
20060225404
2006-10-12

Vertical or short take off and landing vehicle

#439
20060208133
2006-09-21

Personal aircraft vehicle

#440
20060202081
2006-09-14

VTOL personal aircraft

#441
20060196991
2006-09-07

Propulsion device

#442
20060192047
2006-08-31

Double ducted hovering air-vehicle

#443
20060144994
2006-07-06

Homeostatic flying hovercraft

#444
20060113426
2006-06-01

Vtol vehicles

#445
20060097105
2006-05-11

Propulsion and attitude control systems for aircraft

#446
20060060693
2006-03-23

Rotating wing aircraft with tip-driven rotor and rotor guide-ring

#447
20060056971
2006-03-16

Swashplate and pitch link arrangement for a coaxial counter rotating rotor system

#448
20060054736
2006-03-16

VTOL personal aircraft

#449
20060049304
2006-03-09

Quiet vertical takeoff and landing aircraft using ducted, magnetic induction air-impeller rotors

#450
20060038059
2006-02-23

Microaircraft and cellular phone equipped with microaircraft

#451
20060032972
2006-02-16

Vertical lift envelope

#452
20050242231
2005-11-03

Vehicles particularly useful as VTOL vehicles

#453
20050205715
2005-09-22

Circular fixed wing VTOL aircraft

#454
20050151002
2005-07-14

Vertical takeoff and landing apparatus

#455
20050127239
2005-06-16

Flying work station

#456
20050082421
2005-04-21

Flying machine

#457
20050067527
2005-03-31

Rotorcraft having coaxial counter-rotating rotors which produce both vertical and horizontal thrust and method of controlled flight in all six degrees of freedom

#458
20050061910
2005-03-24

Aircraft

#459
19199733
2026-04-28

Flying automobile with inline tiltable dual rotors

#460
17367752
2022-12-06

Auto rotating canister

#461
16825705
2023-02-07

Unmanned aerial vehicle with object detection propeller stoppage

#462
16814117
2024-08-27

Drone with propeller guard configured as an airfoil

#463
16752828
2023-12-26

Unmanned aerial vehicle with capacitive sensor propeller stoppage

#464
16540633
2020-12-01

Integrated blade root bearing carrier assembly

#465
16507859
2020-01-07

Altitude estimation using differential pressure sensors in ground effect

#466
16267875
2020-01-28

Battery shifting for center of gravity control

#467
15886606
2020-09-08

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

#468
15782787
2019-09-10

Ducts with airflow channels

#469
15717831
2020-05-12

Unmanned aerial vehicle configuration

#470
15600296
2018-02-20

Manned and unmanned aircraft

#471
15478080
2018-08-21

Systems and methods for simulating ground effect

#472
15428038
2017-11-21

Elongated nose structure to provide stability during boarding

#473
15362557
2020-10-13

Configurable aerial vehicles

#474
15243887
2018-07-10

Ducted rotor unmanned aerial vehicles

#475
15165609
2019-07-16

Vertical takeoff and landing vehicle

#476
14975548
2017-11-07

Aerial vehicle propeller ducts with active airflow channels

#477
14866557
2018-12-25

Circumferentially-driven propulsion mechanism

#478
14860377
2017-11-14

Unmanned aerial vehicle with center mounted fuselage and closed wing

#479
14835567
2017-11-28

Redundant component and intelligent computerized control system for multi-rotor VTOL aircraft

#480
14261405
2015-04-14

Skyteboard quadcopter and method

#481
13730189
2015-03-17

Unlocking mobile-device and/or unmanned aerial vehicle capability in an emergency situation