Patents-Review.com
ClassID:

146562 ⎘

F15D1/003 - 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

Sub-classes:
Recent Application in this class:
#1
20250153785
2025-05-15

Structural Element For Reducing A Flow Resistance

 #2
20240352860
2024-10-24

Layout for asymmetric cast trips in long passages

 #3
20240085226
2024-03-14

Insertion magnetic meters and methods

 #4
20240018980
2024-01-18

DEVICE AND METHOD FOR GAS MAINTENANCE IN MICROFEATURES ON A SUBMERGED SURFACE

 #5
20230331374
2023-10-19

Aerohydrodynamic surface, array of vortex generators, and method of mounting array of vortex generators

 #6
20230084338
2023-03-16

HYDROFOIL CAVITATING FLOW CONTROL STRUCTURE

 #7
20220364582
2022-11-17

FIBERS FOR REDUCING DRAG

 #8
20220177056
2022-06-09

Pivoting cab fairing

 #9
20210388858
2021-12-16

Method, system and apparatus for reducing fluid drag

 #10
20210270297
2021-09-02

Flow modification device having helical strakes and a system and method for modifying flow

 #11
20210239087
2021-08-05

Device and method for swinging power generation and vibration suppression by using arc-shaped wing plates with rough surfaces

 #12
20210003074
2021-01-07

Profiled structure and associated turbomachine

 #13
20200122808
2020-04-23

Coating for long term flow control around marine objects

 #14
20190291836
2019-09-26

Aerodynamic rowing oars

 #15
20190291790
2019-09-26

Underbody channel vortex generators

 #16
20190277609
2019-09-12

Bullet with increased effective range

 #17
20190203747
2019-07-04

Body provided with a superficial area adapted to reduce drag

 #18
20190040883
2019-02-07

Method and cavity for suppression of cavity flow oscillations and acoustic loads using curved rear face

 #19
20180343935
2018-12-06

Vortex-generator device

 #20
20180320717
2018-11-08

DEVICE AND METHOD FOR GAS MAINTENANCE IN MICROFEATURES ON A SUBMERGED SURFACE

 #21
20180172040
2018-06-21

Device and method for controlling fluid flow over an optical instrument

 #22
20180023599
2018-01-25

Phononic materials used to control turbulent flow

 #23
20170045284
2017-02-16

Fluid control films with hydrophilic surfaces, methods of making same, and processes for cleaning structured surfaces

 #24
20170023183
2017-01-26

FLUID ACCELERATION PIPE

 #25
20160243562
2016-08-25

Fluidic oscillator having decoupled frequency and amplitude control

 #26
20160017902
2016-01-21

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

 #27
20160010670
2016-01-14

Flow body with low-friction surface structure

 #28
20150337878
2015-11-26

Channeling fluidic waveguide surfaces and tubes

 #29
20150329200
2015-11-19

Radar energy absorbing deformable low drag vortex generator

 #30
20150251745
2015-09-10

Devices, systems and methods for passive control of flow

 #31
20150196865
2015-07-16

Ozone abatement system for semiconductor manufacturing system

 #32
20150017385
2015-01-15

PASSIVE DRAG MODIFICATION SYSTEM

 #33
20140375079
2014-12-25

Surface flow enhancement device and method of using the same on a vehicle

 #34
20140318657
2014-10-30

FLUID CONVEYING APPARATUS WITH LOW DRAG, ANTI-FOULING FLOW SURFACE AND METHODS OF MAKING SAME

 #35
20130146217
2013-06-13

Method of Applying Surface Riblets to an Aerodynamic Surface

 #36
20120255152
2012-10-11

Surface flow enhancement device and method of using the same on a vehicle

 #37
20110315248
2011-12-29

Low drag asymmetric tetrahedral vortex generators

 #38
20100285278
2010-11-11

Friction resistance reducing layer

 #39
20070194178
2007-08-23

Passive micro-roughness array for drag modification

 #40
15861360
2019-07-09

Multiple component fairing