ClassID:

72022

B64C21/025 - CPC Classification

Classification description:

Influencing air-flow over aircraft surfaces by affecting boundary-layer flow by use of slot, ducts, porous areas, or the like for simultaneous blowing and sucking

Recent Application in this class:
#1
20250214698
2025-07-03

AIRCRAFT AIRFRAME COMPONENT WITH AIR SYSTEM

#2
20250083804
2025-03-13

WINGLET TRAILING EDGE VENTING

#3
20240417082
2024-12-19

DRAG RECOVERY SCHEME USING BOUNDARY LAYER INGESTION

#4
20240308656
2024-09-19

NAVIGABLE AERONAUTICAL AND NAUTICAL CRAFT

#5
20240280083
2024-08-22

Wing energy reutilization system

#6
20240246661
2024-07-25

Flow control ducted fans

#7
20240218809
2024-07-04

Engine strut flow control

#8
20240150026
2024-05-09

FLUIDIC PROPULSIVE SYSTEM

#9
20240116625
2024-04-11

AIRFOIL WITH AUGMENTED LIFT

#10
20240109647
2024-04-04

Airflow control system and aircraft

#11
20230128321
2023-04-27

FLUID-DYNAMIC STRUCTURES HAVING PASSIVE DRAG REDUCTION SYSTEMS AND RELATED METHODS

#12
20230106444
2023-04-06

Control system for an aircraft and a method of operating the control system

#13
20230056996
2023-02-23

Fluid systems that include a co-flow jet

#14
20220363370
2022-11-17

DRAG MODIFICATION SYSTEMS FOR AIRCRAFT AND RELATED METHODS

#15
20220348315
2022-11-03

Drag recovery scheme using boundary layer ingestion

#16
20220297823
2022-09-22

Braking force generation device, wing, and aircraft

#17
20220194562
2022-06-23

Air acceleration at slot of wing

#18
20220185457
2022-06-16

FLUID ADJUSTMENT DEVICE AND AIRCRAFT

#19
20220097829
2022-03-31

Performance evaluation system of an aircraft component

#20
20220081110
2022-03-17

AN AIRCRAFT

#21
20220063796
2022-03-03

Aircraft equipped with a distributed propulsion system having suction and pressure fans

#22
20220041289
2022-02-10

Apparatus and method for heating an aircraft structure

#23
20220033067
2022-02-03

Drag recovery scheme using boundary layer ingestion

#24
20210371088
2021-12-02

LEADING EDGE STRUCTURE FOR A FLOW CONTROL SYSTEM OF AN AIRCRAFT

#25
20210316844
2021-10-14

Flow control techniques for delaying or accelerating laminar-turbulent boundary-layer transition for high-speed flight vehicles

#26
20210284319
2021-09-16

Fluid systems that include a co-flow jet

#27
20210253247
2021-08-19

Disc-shaped aircraft

#28
20210215096
2021-07-15

Streamline airframe with boundary ingestion fluidic propulsive elements

#29
20210214072
2021-07-15

Vertical tail unit for flow control

#30
20200339247
2020-10-29

FLUIDIC PROPULSIVE SYSTEM

#31
20200277074
2020-09-03

Airborne aerodynamic arrangement

#32
20200115041
2020-04-16

LEADING EDGE STRUCTURE FOR A FLOW CONTROL SYSTEM OF AN AIRCRAFT

#33
20200115040
2020-04-16

Boundary layer control system and device

#34
20200047875
2020-02-13

Methods, systems, and apparatuses for in-line variably porous surfaces

#35
20200018333
2020-01-16

Low drag surface

#36
20190337609
2019-11-07

Fluid systems that include a co-flow jet

#37
20190283866
2019-09-19

Leading edge structure for a flow control system of an aircraft

#38
20190263529
2019-08-29

Apparatus and method for heating an aircraft structure

#39
20190185136
2019-06-20

Fluid systems that include a co-flow jet

#40
20190161173
2019-05-30

Semi-active system for providing a required fluid flow

#41
20190161158
2019-05-30

Fluid systems that include a co-flow jet

#42
20190152584
2019-05-23

Simplified fluidic oscillator for controlling aerodynamics of an aircraft

#43
20190127042
2019-05-02

Fluid systems that include a co-flow jet

#44
20190106202
2019-04-11

Vertical tail unit for flow control

#45
20190106201
2019-04-11

Vertical tail unit for flow control

#46
20190092456
2019-03-28

DUCTS FOR LAMINAR FLOW CONTROL SYSTEMS

#47
20190055006
2019-02-21

Embedded engines in hybrid blended wing body

#48
20190031322
2019-01-31

Stealth design with multi-faceted dihedral planform and insufflation mechanism

#49
20180346108
2018-12-06

Active flow control for ducted fans and fan-in-wing configurations

#50
20180334247
2018-11-22

Aircraft and flight control mechanisms used on aircraft

#51
20180334246
2018-11-22

Flight control mechanisms and methods of operating aircraft with flight control mechanisms

#52
20180251211
2018-09-06

Fluid systems that include a co-flow jet

#53
20180244370
2018-08-30

PASSIVE FLOW CONTROL MECHANISM FOR SUPPRESSING TOLLMIEN-SCHLICHTING WAVES, DELAYING TRANSITION TO TURBULENCE AND REDUCING DRAG

#54
20180170526
2018-06-21

Methods and apparatus to extend a leading-edge vortex of a highly-swept aircraft wing

#55
20180111677
2018-04-26

Tip jet orifice for aircraft brown out mitigation

#56
20180086436
2018-03-29

Aircraft having an aft engine and stabilizer root fillet

#57
20180079489
2018-03-22

Airfoil for an aircraft having reduced noise generation

#58
20180065732
2018-03-08

FLUIDIC ACTUATOR HAVING JET VECTOR CONTROL AND FLOW BODY

#59
20170355451
2017-12-14

Fluid systems that include a co-flow jet

#60
20170355450
2017-12-14

Fluid systems that include a co-flow jet

#61
20170313411
2017-11-02

Synchronization of fluidic actuators

#62
20170267342
2017-09-21

Cross flow fan with exit guide vanes

#63
20170267332
2017-09-21

Boundary-layer-influencing aerodynamic part and method for producing the same

#64
20170152023
2017-06-01

Simplified fluidic oscillator for controlling aerodynamics of an aircraft

#65
20160376918
2016-12-29

Aircraft vapour trail control system

#66
20160311521
2016-10-27

Systems, methods, and apparatuses for airfoil configuration in aircraft

#67
20160273562
2016-09-22

SYSTEM AND METHOD FOR MULTIPLE DIRECTION CONTROL OF FLOW

#68
20160209850
2016-07-21

System and method for robust nonlinear regulation control of unmanned aerial vehicles synthetic jet actuators

#69
20160084165
2016-03-24

Pre-cooler inlet ducts that utilize active flow-control and systems and methods including the same

#70
20160009374
2016-01-14

System and method for distributed active fluidic bleed control

#71
20150217849
2015-08-06

Panel for controlling the aerodynamic phenomena on a body

#72
20150110623
2015-04-23

Method of dynamic energy-saving superconductive propeller interaction with a fluid medium

#73
20150027545
2015-01-29

Suprression of shock-induced airflow separation

#74
20140348668
2014-11-27

Bellows synthetic jet

#75
20140312166
2014-10-23

Helicopter and aircraft power device

#76
20140284430
2014-09-25

Synchronization of fluidic actuators

#77
20140283921
2014-09-25

Airplane including means for taking at least a portion of the boundary layer of the flow of air over a surface

#78
20140061387
2014-03-06

Surface element for an aircraft, aircraft and method for improving high-lift generation on a surface element

#79
20130062473
2013-03-14

Flow body and method for taking in and/or blowing out fluid through a plurality of openings in a flow surface section of a flow body

#80
20130048794
2013-02-28

Wing leading edge venting

#81
20120273609
2012-11-01

Streamlined profile reducing the speed deficit in its wake

#82
20120256056
2012-10-11

Oscillatory vorticity generator and applications thereof

#83
20120223190
2012-09-06

Aerodynamic body, regulating flap or main wing or fin of an aircraft as well as a structural component with such an aerodynamic body

#84
20120186682
2012-07-26

Fluid actuator for producing a pulsed outlet flow in the flow around an aerodynamic body, and discharge device and aerodynamic body equipped therewith

#85
20120043428
2012-02-23

High-lift flap, arrangement of a high-lift flap together with a device for influencing the flow on the same and aircraft comprising said arrangement

#86
20120001028
2012-01-05

Wing of an aircraft and assembly of a wing comprising a device for influencing a flow

#87
20110229329
2011-09-22

Propeller augmentation

#88
20110211950
2011-09-01

Method of dynamic energy-saving superconductive propeller interaction with a fluid medium

#89
20110210211
2011-09-01

Discrete co-flow jet (DCFJ) airfoil

#90
20110108208
2011-05-12

Window assembly with a motorized window shade mechanism

#91
20100270434
2010-10-28

Controlling the boundary layer of an airfoil

#92
20100181433
2010-07-22

Method for increasing the lift of aerodynamic surfaces and for reducing the drag

#93
20100127129
2010-05-27

High performance airfoil with co-flow jet flow control

#94
20100116943
2010-05-13

Aircraft component exposed to streaming surrounding air

#95
20100071773
2010-03-25

Shaping a fluid cavity of a flow control actuator for creation of desired waveform characteristics

#96
20090289150
2009-11-26

Boundary layer control system and methods thereof

#97
20090210103
2009-08-20

Controlling aircraft aerial movements, defeating icing on aircraft surfaces, aiding decontamination, and damping turbulence effects on aircraft by the method of micro-perforated airfoil coordinated precision flow management

#98
20090065631
2009-03-12

EMISSIONLESS SILENT AND ULTRA-EFFICIENT AIRPLANE USING CFJ AIRFOIL

#99
20090020653
2009-01-22

Method and device for suctioning the boundary layer

#100
20090014592
2009-01-15

Co-flow jet aircraft

#101
20090008505
2009-01-08

Aircraft with a fluid-duct-system

#102
20070221788
2007-09-27

Aircraft component exposed to streaming surrounding air

#103
20070084297
2007-04-19

Oscillating vane actuator apparatus and method for active flow control

#104
20070051855
2007-03-08

Lift augmentation system and associated method

#105
20050199766
2005-09-15

Propulsion arrangement

#106
20050127245
2005-06-16

Method and device for altering the separation characteristics of flow over an aerodynamic surface via hybrid intermittent blowing and suction

#107
20050040293
2005-02-24

Method and device for altering the separation characteristics of air-flow over an aerodynamic surface via intermittent suction

#108
17519359
2023-01-10

Aircraft airfoil having an internal thrust unit, and aircraft having the same