ClassID:

146564

F15D1/004 - CPC Classification

Classification description:

Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions in the form of riblets oriented essentially parallel to the direction of flow

Recent Application in this class:
#1
20260078784
2026-03-19

VEHICLE AIRFLOW DIVERTER

#2
20250059990
2025-02-20

VORTEX SUPPRESSION DEVICE

#3
20230365251
2023-11-16

Riblet structure and object

#4
20230213000
2023-07-06

Turbine engine with a flow splitter having a profile with inclined serrations

#5
20220397136
2022-12-15

Vortex suppression device

#6
20220290699
2022-09-15

Multi-functional microstructured surface development three dimensional form solutions in individual tile and multiple tile array configurations

#7
20210388858
2021-12-16

Method, system and apparatus for reducing fluid drag

#8
20210231142
2021-07-29

Submerged periodic riblets

#9
20210231141
2021-07-29

Staggered periodic riblets

#10
20210054859
2021-02-25

Partially submerged periodic riblets

#11
20210033119
2021-02-04

Structured gas-containing surfaces

#12
20200400069
2020-12-24

Turbine engine with a flow splitter having a profile with inclined serrations

#13
20200173285
2020-06-04

Method of forming a cure tool and method of forming a textured surface using a cure tool

#14
20200072256
2020-03-05

Flow balancer

#15
20200049428
2020-02-13

FLUID CHANNELS HAVING PERFORMANCE ENHANCEMENT FEATURES AND DEVICES INCORPORATING SAME

#16
20190202547
2019-07-04

AERODYNAMIC ARTICLES AND METHODS THEREOF

#17
20190168862
2019-06-06

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

#18
20190056153
2019-02-21

Method and apparatus for control of fluid temperature and flow

#19
20190047684
2019-02-14

Riblet film for reducing the air resistance of aircraft

#20
20190023379
2019-01-24

Riblet structure and object

#21
20180283180
2018-10-04

Turbine engine airfoil with a modified leading edge

#22
20180162521
2018-06-14

Method of preventing separation of a fluid flow and flow body system

#23
20180099312
2018-04-12

Method of coating interior surfaces with riblets

#24
20170234134
2017-08-17

Riblets for a flowpath surface of a turbomachine

#25
20170137115
2017-05-18

Radar energy absorbing deformable low drag vortex generator

#26
20170081021
2017-03-23

Thermal actuation of riblets

#27
20160318603
2016-11-03

Rigid tipped riblets

#28
20160312035
2016-10-27

Actuatable microstructures and methods of making the same

#29
20160091112
2016-03-31

Noise and drag reducing cabin pressure outflow valve

#30
20150329200
2015-11-19

Radar energy absorbing deformable low drag vortex generator

#31
20150192328
2015-07-09

Method and apparatus for control of fluid temperature and flow

#32
20150152611
2015-06-04

Construction and a tension element comprising a cable and a plurality of strakes

#33
20150053289
2015-02-26

Structural component with a riblet surface

#34
20140248469
2014-09-04

Rigid tipped riblets

#35
20140248453
2014-09-04

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

#36
20140099475
2014-04-10

Shape memory riblets

#37
20130125992
2013-05-23

Product for fluidic applications, method for its production and use of such a product

#38
20120227453
2012-09-13

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

#39
20110262705
2011-10-27

Microstructures for reducing noise of a fluid dynamic structure

#40
20110186685
2011-08-04

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

#41
20100308177
2010-12-09

Plasma enhanced riblet

#42
20100187361
2010-07-29

Amorphous metal riblets

#43
20100187360
2010-07-29

Shape memory riblets

#44
20100187359
2010-07-29

Rigid tipped riblets

#45
20100127125
2010-05-27

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

#46
20100096016
2010-04-22

Method and apparatus for control of fluid temperature and flow

#47
20090158799
2009-06-25

Metal Pipe and Manufacturing Method Thereof

#48
15649727
2018-11-20

Windshield contaminant reducing assembly and method