ClassID:

72026

B64C21/10 - CPC Classification

Classification description:

Influencing air-flow over aircraft surfaces by affecting boundary-layer flow using other surface properties, e.g. roughness

Recent Application in this class:
#1
20260061522
2026-03-05

PROCESSING APPARATUS, AND MANUFACTURING METHOD OF MOVABLE BODY

#2
20260022719
2026-01-22

SURFACE COATING FOR REDUCTION OF AERODYNAMIC NOISE AND VIBRATIONS

#3
20250361892
2025-11-27

REDUCED SKIN-FRICTION DRAG SURFACE TEXTURES AND MATERIALS, DESIGNS, METHODS AND SYSTEMS

#4
20250346359
2025-11-13

Engine Nacelle Inlet Having a Roughened Turbulator Surface

#5
20240326989
2024-10-03

SYSTEMS AND METHODS FOR AIRCRAFT WING SURFACES WITH AERODYNAMIC PATTERNS

#6
20240208641
2024-06-27

AIRCRAFT STRUCTURE COMPONENT FOR LAMINAR FLOW

#7
20240166339
2024-05-23

COMPOSITE INTEGRATED RIBLETS

#8
20230365251
2023-11-16

Riblet structure and object

#9
20230348046
2023-11-02

Method for applying an aerodynamically functional film

#10
20230322368
2023-10-12

SURFACE-INTEGRATED ELECTROAERODYNAMIC THRUSTERS

#11
20230219684
2023-07-13

ENHANCED CONTROLLED AERODYNAMICS AND HYDRODYNAMICS OVER SURFACES PATTERNED WITH HYDROPHILIC AND HYDROPHOBIC COATINGS

#12
20230202646
2023-06-29

METHOD AND APPARATUS FOR MITIGATING TRAILING VORTEX WAKES OF LIFTING OR THRUST GENERATING BODIES

#13
20230182411
2023-06-15

Method for producing an aerodynamic element including riblets

#14
20230123376
2023-04-20

Profiled structure for an aircraft or turbomachine for an aircraft

#15
20230063783
2023-03-02

Multilayer riblet appliques

#16
20230054708
2023-02-23

METHOD FOR PRODUCING AN OBJECT PROVIDED WITH RIBLETS ON AND/OR IN THE SURFACE, AND OBJECT PRODUCED THEREBY

#17
20230024245
2023-01-26

CONTAMINATION PROTECTION FOR RIBLET FILMS

#18
20230010729
2023-01-12

Apparatus for attaching aerodynamically functional films and use thereof

#19
20220388632
2022-12-08

Actively controlled surfaces

#20
20220380025
2022-12-01

Download reducing winglets for aircraft having a rotor producing downwash and method of operating the same

#21
20220341389
2022-10-27

Bonded body of object to be bonded to and functional base material

#22
20220324555
2022-10-13

AIRCRAFT AIRFOILS INCLUDING WAVE ASSEMBLIES, SYSTEMS INCLUDING WAVE ASSEMBLIES, AND METHODS OF USING THE SAME

#23
20220219788
2022-07-14

TRANSPORT VEHICLE WITH REDUCED DRAG

#24
20220192066
2022-06-16

Highly-conformal, pliable thin electromagnetic skin

#25
20220161923
2022-05-26

Raised structure and wing

#26
20220119097
2022-04-21

Foils with serrations

#27
20220055739
2022-02-24

METHOD AND APPARATUS FOR MITIGATING TRAILING VORTEX WAKES OF LIFTING OR THRUST GENERATING BODIES

#28
20220040908
2022-02-10

RIBLET FILM AND METHOD FOR THE PRODUCTION THEREOF

#29
20220033068
2022-02-03

SELF-ADHERING FILM WITH AERODYNAMIC PERFORMANCE

#30
20220009618
2022-01-13

Active lift control device and method

#31
20210388725
2021-12-16

Profiled structure for an aircraft or turbomachine

#32
20210348628
2021-11-11

Systems and methods for active control of surface drag using electrodes

#33
20210261240
2021-08-26

Download reducing winglets for aircraft having a rotor producing downwash and method of operating the same

#34
20210231142
2021-07-29

Submerged periodic riblets

#35
20210231141
2021-07-29

Staggered periodic riblets

#36
20210102564
2021-04-08

Surface coating for reduction of aerodynamic noise and vibrations

#37
20210091449
2021-03-25

Antenna housing and structure for antenna housing

#38
20210078696
2021-03-18

IRREGULAR SURFACE TEXTURE FOR REDUCING FLOW DRAG

#39
20210003074
2021-01-07

Profiled structure and associated turbomachine

#40
20200391325
2020-12-17

PROCESSING APPARATUS, AND MANUFACTURING METHOD OF MOVABLE BODY

#41
20200298953
2020-09-24

Noise attenuation panel

#42
20200269970
2020-08-27

Adhesive panels of microvane arrays for reducing effects of wingtip vortices

#43
20200231273
2020-07-23

METHOD AND APPARATUS FOR MITIGATING TRAILING VORTEX WAKES OF LIFTING OR THRUST GENERATING BODIES

#44
20200223534
2020-07-16

Removable passive airflow oscillation device and system

#45
20200191177
2020-06-18

Systems and methods for active control of surface drag using wall coupling

#46
20200148325
2020-05-14

Profiled structure for an aircraft or turbomachine for an aircraft

#47
20200139488
2020-05-07

Method and device for producing riblets by laser interference patterning by a laser

#48
20200108916
2020-04-09

SKIN GROOVES USED FOR DIRECTING FLUID ON AIRCRAFT, LANDCRAFT, SPACECRAFT, AND WATERCRAFT RELATED VEHICLES OR PROPELLED/PROJECTILE OBJECTS

#49
20200087522
2020-03-19

Multi-layer coating for a flow surface of an aircraft component

#50
20200072258
2020-03-05

SURFACE COATING FOR REDUCTION OF AERODYNAMIC NOISE AND VIBRATIONS

#51
20200031456
2020-01-30

Systems and methods for active control of surface drag

#52
20200023945
2020-01-23

AERODYNAMIC SURFACE OF AN AIRCRAFT

#53
20200001982
2020-01-02

Short take off and landing aircraft with adjustable vortices device

#54
20190329872
2019-10-31

Actively-controlled superhydrophobic surfaces

#55
20190329871
2019-10-31

APPARATUS AND SYSTEM FOR DRAG REDUCTION

#56
20190323356
2019-10-24

COMPRESSOR BLADE SURFACE PATTERNING

#57
20190283857
2019-09-19

FLIGHT VEHICLE GENERATING A LIFT FROM AN INTERIOR THEREOF

#58
20190210714
2019-07-11

AERODYNAMIC ELEMENT OF AN AIRCRAFT, COMPRISING A SET OF PROTRUDING ELEMENTS

#59
20190210710
2019-07-11

Engine nacelle for an aircraft

#60
20190202547
2019-07-04

AERODYNAMIC ARTICLES AND METHODS THEREOF

#61
20190193841
2019-06-27

Flow body for a vehicle with a compressible skin

#62
20190185171
2019-06-20

Wave-shaped acoustic insert and core

#63
20190168862
2019-06-06

Part and method for producing a part having reduced drag by non-constant riblets

#64
20190128296
2019-05-02

Method of applying riblets to an aerodynamic surface

#65
20190092456
2019-03-28

DUCTS FOR LAMINAR FLOW CONTROL SYSTEMS

#66
20190061908
2019-02-28

Method for manufacturing an aircraft leading edge panel that allows extensive laminar flow to be obtained, and leading edge comprising at least one panel obtained using the said method

#67
20190047684
2019-02-14

Riblet film for reducing the air resistance of aircraft

#68
20190030764
2019-01-31

Multilayer riblet applique and methods of producing the same

#69
20190023379
2019-01-24

Riblet structure and object

#70
20190009297
2019-01-10

Applicator

#71
20180339784
2018-11-29

Variable geometry engine inlet for high speed aircraft

#72
20180298762
2018-10-18

Reduced drag system for windmills, fans, propellers, airfoils, and hydrofoils

#73
20180244370
2018-08-30

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

#74
20180201362
2018-07-19

AIRCRAFT WITH A VARIABLE FUSELAGE SURFACE FOR BOUNDARY LAYER OPTIMIZATION

#75
20180201361
2018-07-19

Lifting surface

#76
20180178903
2018-06-28

Spin resistant aircraft configuration

#77
20180155012
2018-06-07

Method for producing a smooth aerodynamic surface of an aircraft component

#78
20180134374
2018-05-17

Aircraft structure component for laminar flow

#79
20180127534
2018-05-10

Thermally stable microstructured semi-IPN layer

#80
20180118332
2018-05-03

Vortex generators responsive to ambient conditions

#81
20180105258
2018-04-19

Method and system for delaying laminar-to-turbulent transition in high-speed boundary layer flow

#82
20180057141
2018-03-01

Biomimetic airfoil bodies and methods of designing and making same

#83
20180023599
2018-01-25

Phononic materials used to control turbulent flow

#84
20180009136
2018-01-11

Multilayer riblet applique and methods of producing the same

#85
20170369156
2017-12-28

Adhesive panels of microvane arrays for reducing effects of wingtip vortices

#86
20170356478
2017-12-14

Three dimensional woven lattices for drag reduction and turbulence reduction

#87
20170341736
2017-11-30

Apparatus, system and method for drag reduction

#88
20170320558
2017-11-09

FLIGHT VEHICLE GENERATING A LIFT FROM AN INTERIOR THEREOF

#89
20170266691
2017-09-21

DRAG REDUCTION RIBLETS INTEGRATED IN A PAINT LAYER

#90
20170253321
2017-09-07

Aircraft wing roughness strip and method

#91
20170240271
2017-08-24

Control of hypersonic boundary layer transition

#92
20170225773
2017-08-10

Wing leading edge features to attenuate propeller wake-wing acoustic interactions

#93
20170190437
2017-07-06

Flow drag mitigation device

#94
20170144255
2017-05-25

Method for preparing a fluid flow surface

#95
20170137116
2017-05-18

EFFICIENCY IMPROVEMENTS FOR FLOW CONTROL BODY AND SYSTEM SHOCKS

#96
20170129593
2017-05-11

Panels comprising uneven edge patterns for reducing boundary layer separation

#97
20170095831
2017-04-06

Applicator

#98
20170081021
2017-03-23

Thermal actuation of riblets

#99
20170057644
2017-03-02

Synergetic noise absorption and anti-icing for aircrafts

#100
20170050719
2017-02-23

Aerodynamic device

#101
20170021916
2017-01-26

Spin resistant aircraft configuration

#102
20160376018
2016-12-29

Swept gradient boundary layer diverter

#103
20160325824
2016-11-10

Color applications for aerodynamic microstructures

#104
20160325823
2016-11-10

Optical effects for aerodynamic microstructures

#105
20160325818
2016-11-10

Aerodynamic microstructures having sub-microstructures

#106
20160318603
2016-11-03

Rigid tipped riblets

#107
20160312035
2016-10-27

Actuatable microstructures and methods of making the same

#108
20160297515
2016-10-13

Amorphous metal riblets

#109
20160280388
2016-09-29

Intake structure of aircraft

#110
20160272302
2016-09-22

Adhesive panels of microvane arrays for reducing effects of wingtip vortices

#111
20160271930
2016-09-22

STRIPPABLE FILM ASSEMBLY AND COATING FOR DRAG REDUCTION

#112
20160243586
2016-08-25

DRAG REDUCTION RIBLETS INTEGRATED IN A PAINT LAYER

#113
20160229526
2016-08-11

Vortex generator arrangement

#114
20160229517
2016-08-11

Aircraft generating a lift from an interior thereof

#115
20160194076
2016-07-07

LAYER FOR REDUCING FLUID RESISTANCE

#116
20160178335
2016-06-23

Projectile and Missile Enhancement and Drag Reduction Technology

#117
20160152324
2016-06-02

FLUIDIC FENCE FOR PERFORMANCE ENHANCEMENT

#118
20160122006
2016-05-05

LOW DRAG TURBULENCE GENERATORS FOR AIRCRAFT WINGS

#119
20160114883
2016-04-28

ACTIVELY-CONTROLLED SUPERHYDROPHOBIC SURFACES

#120
20160097410
2016-04-07

Phononic materials used to control flow behavior

#121
20160083083
2016-03-24

Vortex generators responsive to ambient conditions

#122
20160061115
2016-03-03

Core cowl for a turbofan engine

#123
20160017902
2016-01-21

Fibrillar structures to reduce viscous drag on aerodynamic and hydrodynamic wall surfaces

#124
20160010670
2016-01-14

Flow body with low-friction surface structure

#125
20150336659
2015-11-26

Hypersonic laminar flow control

#126
20150307184
2015-10-29

Laser-based flow modification to remotely control air vehicle flight path

#127
20150292074
2015-10-15

A POROUS COATING APPLIED ONTO AN AERIAL ARTICLE

#128
20150225069
2015-08-13

Airflow modification patch and method

#129
20150053289
2015-02-26

Structural component with a riblet surface

#130
20140332631
2014-11-13

AMORPHOUS METAL RIBLETS

#131
20140295143
2014-10-02

Reduced solar absorptivity applique having spaced riblets with pigmented coloration

#132
20140255205
2014-09-11

Drag reduction systems having fractal geometry/geometrics

#133
20140248469
2014-09-04

Rigid tipped riblets

#134
20140238522
2014-08-28

Piezoelectric driven oscillating surface

#135
20140234530
2014-08-21

Method for producing an aircraft structure component having an outer skin provided with a smooth outer surface

#136
20140174642
2014-06-26

ELASTOMERIC RIBLETS

#137
20140099475
2014-04-10

Shape memory riblets

#138
20140021302
2014-01-23

Spin resistant aircraft configuration

#139
20140019105
2014-01-16

Predicting transition from laminar to turbulent flow over a surface

#140
20130336793
2013-12-19

Cross-flow fan, molding die, and fluid feeder

#141
20130214094
2013-08-22

Nose for supersonic flying object

#142
20130193270
2013-08-01

Structurally designed aerodynamic riblets

#143
20130146715
2013-06-13

Minimally intrusive wingtip vortex wake mitigation using microvane arrays

#144
20130146217
2013-06-13

Method of Applying Surface Riblets to an Aerodynamic Surface

#145
20130062469
2013-03-14

SURFACE ENTITY FOR THE REDUCTION OF THE AIR RESISTANCE OF AN AVIATION VEHICLE

#146
20130028744
2013-01-31

AERODYNAMIC SURFACE WITH IMPROVED PROPERTIES

#147
20130001362
2013-01-03

Arrangement of aerodynamic auxiliary surfaces for an aircraft

#148
20120325326
2012-12-27

Method of Reducing Resistance of Streamlined Body of A Vehicle and Its Applications

#149
20120312930
2012-12-13

STRUCTURE FOR REDUCING A FLOW RESISTANCE OF A BODY IN A FLUID

#150
20120245910
2012-09-27

Predicting transition from laminar to turbulent flow over a surface

#151
20120239231
2012-09-20

Control of aerodynamic forces by variable wetted surface morphology

#152
20120227453
2012-09-13

Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same

#153
20120138731
2012-06-07

Rotorcraft structural element for reducing aerodynamic drag

#154
20120049008
2012-03-01

Passive robust flow control micro device

#155
20110274875
2011-11-10

PASSIVE DRAG MODIFICATION SYSTEM

#156
20110262705
2011-10-27

Microstructures for reducing noise of a fluid dynamic structure

#157
20110186685
2011-08-04

Thin-Film Composite Having Drag-Reducing Riblets and Method of Making the Same

#158
20110168852
2011-07-14

METHOD OF DEPOSITING A COATING FOR IMPROVING LAMINAR FLOW

#159
20110114794
2011-05-19

ENVIRONMENTAL COMPRESSION FOR FRICTION REDUCTION

#160
20110073710
2011-03-31

Structurally designed aerodynamic riblets

#161
20110042523
2011-02-24

Laminar flow surfaces with selected roughness distributions, and associated methods

#162
20100288379
2010-11-18

Passive boundary layer control elements

#163
20100282909
2010-11-11

Elastomeric riblets

#164
20100282908
2010-11-11

Methods for Reducing Laminar Flow Disturbances on Aerodynamic Surfaces and Articles having Self-Cleaning Aerodynamic Surfaces

#165
20100219296
2010-09-02

REDUCED DRAG SYSTEM FOR WINDMILLS, FANS, PROPELLERS, AIRFOILS, AND HYDROFOILS

#166
20100187361
2010-07-29

Amorphous metal riblets

#167
20100187360
2010-07-29

Shape memory riblets

#168
20100187359
2010-07-29

Rigid tipped riblets

#169
20100159204
2010-06-24

Turbulence foil

#170
20100155527
2010-06-24

Monomolecular carbon-based film for forming lubricious surface on aircraft parts

#171
20100155524
2010-06-24

Monomolecular carbon-based film for forming lubricious surface on aircraft parts

#172
20100127125
2010-05-27

Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same

#173
20100123046
2010-05-20

Disbanded cascaded array for generating and moving plasma clusters for active airflow control

#174
20100116669
2010-05-13

Self-cleaning superhydrophobic surface

#175
20100108813
2010-05-06

Micro-array surface for passive drag modification

#176
20100078522
2010-04-01

Apparatus, system and method for drag reduction

#177
20090308971
2009-12-17

Airfoil system for cruising flight

#178
20090304511
2009-12-10

AERODYNAMIC SHROUD HAVING TEXTURED SURFACE

#179
20090294596
2009-12-03

Method of Reducing Drag and Increasing Lift Due to Flow of a Fluid Over Solid Objects

#180
20090194640
2009-08-06

Apparatus system and method for drag reduction

#181
20090090814
2009-04-09

Method of de-icing the leading edge of an aerodynamic surface and aircraft implementing such a method

#182
20090065650
2009-03-12

Dynamic roughness for aerodynamic applications

#183
20090065645
2009-03-12

Articles with reduced fluid dynamic drag

#184
20090001222
2009-01-01

Control of aerodynamic forces by variable wetted surface morphology

#185
20080314558
2008-12-25

SYSTEM AND METHOD FOR USING A FLEXIBLE COMPOSITE SURFACE FOR PRESSURE-DROP FREE HEAT TRANSFER ENHANCEMENT AND FLOW DRAG REDUCTION

#186
20080272241
2008-11-06

Device for Reducing a Drag Produced by the Relative Displacement of a Body and Fluid

#187
20080265100
2008-10-30

Laminar flow surfaces with selected roughness distributions, and associated methods

#188
20080254226
2008-10-16

Method to increase the efficiency of polymer drag reduction for marine and industrial applications

#189
20080128561
2008-06-05

Active control of a body by altering surface drag

#190
20080128560
2008-06-05

System and method for deforming surfaces

#191
20080128027
2008-06-05

Active control of surface drag

#192
20080061192
2008-03-13

Method and apparatus for mitigating trailing vortex wakes of lifting or thrust generating bodies

#193
20080008878
2008-01-10

Coated airplanes and rockets

#194
20070235590
2007-10-11

VORTEX GENERATOR

#195
20070194178
2007-08-23

Passive micro-roughness array for drag modification

#196
20070181743
2007-08-09

Method for streamline traced external compression inlet

#197
20070031639
2007-02-08

Articles having low wettability and methods for making

#198
20070018055
2007-01-25

Aerodynamically efficient surface

#199
20060254751
2006-11-16

System and method for using a flexible composite surface for pressure-drop free heat transfer enhancement and flow drag reduction

#200
20060147634
2006-07-06

Self-cleaning superhydrophobic surface

#201
20060134379
2006-06-22

Method for reducing kinetic friction

#202
20060060722
2006-03-23

Controlling bondary layer fluid flow

#203
20050224656
2005-10-13

Methods and systems for removing material from aircraft flight surfaces

#204
20050163963
2005-07-28

Method and apparatus for reducing drag and noise for a vehicle

#205
20050003146
2005-01-06

Body with improved surface properties

#206
17531766
2024-01-09

Apparatus for vortex generation to improve aerodynamics

#207
17495884
2024-07-23

Micro-cavity actuator for delay of dynamic stall

#208
12455467
2016-04-19

Morphing surfaces for the control of boundary layer transition