ClassID:

146576

F15D1/02 - CPC Classification

Classification description:

Influencing flow of fluids in pipes or conduits

Sub-classes:
Recent Application in this class:
#1
20260132805
2026-05-14

FLOW STABILIZING VALVE AND FLOW STABILIZING WATER HYDROGRAPHIC SYSTEM USING THE SAME

#2
20250376999
2025-12-11

CONTROLLING PIPELINE FLUID TURBULENCE

#3
20250223982
2025-07-10

Pneumatic System Flow Balancing Architecture and Method

#4
20250180045
2025-06-05

VACUUM-ENABLED FLUID COMPRESSION AND EVACUATION APPARATUS, CONTROL, AND ASSOCIATED METHODS

#5
20250109757
2025-04-03

MULTIPLE-VENTURI NOZZLE, SYSTEM, METHOD OF MANUFACTURE AND METHOD OF USE

#6
20250101999
2025-03-27

FLOW BORE GUIDE VANE INSERT

#7
20250035138
2025-01-30

AUTO-SIPHON DRAINAGE SYSTEM FOR AIRCRAFT

#8
20250003433
2025-01-02

METHOD AND APPARATUS FOR IMPROVING FLUID BEHAVIOR AND PERFORMANCE

#9
20240301900
2024-09-12

APPARATUSES, SYSTEMS, AND METHODS FOR EFFICIENT FLUID TRANSFER

#10
20240288014
2024-08-29

HIGH HELIX, HIGH MASS-FLOW DEVICE AND METHOD

#11
20240274305
2024-08-15

PIPING ENHANCEMENT FOR BACKFLOW PREVENTION IN A MULTIPLE LOOP, METAL COOLED NUCLEAR REACTOR SYSTEM

#12
20240148035
2024-05-09

METHODS FOR INHIBITING MATERIAL MIXING IN A MATERIAL PROCESSING SYSTEM

#13
20230349404
2023-11-02

Vacuum-enabled fluid compression and evacuation apparatus, control, and associated methods

#14
20230258207
2023-08-17

FLOW REGULATING STRUCTURE FOR GAS SENSOR

#15
20230235973
2023-07-27

Guidance unit (MK-1) and arcwing circulating power guidance system with the guidance unit (MK-1)

#16
20230151832
2023-05-18

Pressure Loss Generating Device and Use of the Pressure Loss Generating Device

#17
20230060405
2023-03-02

Vortex flow inducer and ozone dissolution chamber having the same

#18
20220403861
2022-12-22

Fluid systems and methods that address flow separation

#19
20220349430
2022-11-03

Flow bore guide vane insert

#20
20220307743
2022-09-29

Flow disturbance apparatus and air conditioner comprising the same

#21
20220226788
2022-07-21

Apparatus for removing thermal stratification generated by turbulent penetration by using rotation of inner ring and outer ring

#22
20220226787
2022-07-21

APPARATUS FOR REMOVING THERMAL STRATIFICATION GENERATED BY TURBULENT PENETRATION BY USING ROTATION OF PIPE WALL

#23
20220225650
2022-07-21

Materials and Methods for Inhibiting Material Mixing in a Material Processing System

#24
20220128070
2022-04-28

Flow conditioner

#25
20220117311
2022-04-21

Airflow Management for Vaporizer Device

#26
20220088514
2022-03-24

Double pipe for uniformly distributing flow

#27
20220074438
2022-03-10

Diverter test cell with replaceable insert

#28
20220034337
2022-02-03

Fluid device

#29
20210245973
2021-08-12

Vortex effect particle accelerator transport device

#30
20210222815
2021-07-22

Arrangement and method for draining at least one line connected to a liquid tank

#31
20210172158
2021-06-10

Flow controller and bubbler

#32
20210094369
2021-04-01

Tire inflation device

#33
20210071692
2021-03-11

Helix amplifier fittings

#34
20210053775
2021-02-25

Device for resuspension of solids in slurry pipe transport

#35
20200409397
2020-12-31

Pressure regulator for inflation systems

#36
20200400169
2020-12-24

Flow straightener including vanes with tapered tails design and installation

#37
20200363017
2020-11-19

Inflow device

#38
20200340506
2020-10-29

Baffle assembly for modifying transitional flow effects between different cavities

#39
20200300278
2020-09-24

Fluid flow conduit with flow-shaping element

#40
20200291246
2020-09-17

Slippery liquid-infused porous surfaces and biological applications thereof

#41
20200284260
2020-09-10

Scroll-type fluid machine with cooling fan including a peripheral wall configured to minimize vortices

#42
20200149642
2020-05-14

Valve apparatus

#43
20200116534
2020-04-16

Flow direction sensor

#44
20200049176
2020-02-13

Device for controlling the swirl of a fluid flowing in a pipeline

#45
20200049011
2020-02-13

System and method for fluid manipulation

#46
20200030555
2020-01-30

ENHANCED EDUCTOR DESIGN

#47
20200022417
2020-01-23

Airflow management for vaporizer device

#48
20200016510
2020-01-16

CATALYZING PRESSURE WAVE EXTRACTION METHOD AND APPARATUS

#49
20190391601
2019-12-26

Flow rate controller

#50
20190388800
2019-12-26

PRESSURE GRADIENT PROFILING IN AN EXTRACTION COLUMN

#51
20190376681
2019-12-12

Branch fitting for reducing stress caused by acoustic induced vibration

#52
20190360509
2019-11-28

Apparatus for injecting fluids in node based connections

#53
20190333652
2019-10-31

Piping enhancement for backflow prevention in a multiple loop, metal cooled nuclear reactor system

#54
20190301767
2019-10-03

Vaneless ventilation system for conformal outlets

#55
20190270033
2019-09-05

POLY-GRAIN GRIND MATRIX OF RAW MATERIALS FOR USE WITH AN EXTRACTION COLUMN

#56
20190242413
2019-08-08

HELIX AMPLIFIER FITTINGS

#57
20190170171
2019-06-06

Device for transporting a medium and assembly method

#58
20190139378
2019-05-09

COMMUNICATION OR SIGNALING SYSTEM THAT INCLUDES A VARIABLE PRESSURE ACTIVATED POROUS VOLUME EMITTER ALONG WITH RELATED METHODS

#59
20190128622
2019-05-02

Heat transfer tube and cracking furnace using the same

#60
20190101230
2019-04-04

Apparatus and methods for controlling the movement of matter

#61
20190101142
2019-04-04

Surface for directional fluid transport

#62
20190101089
2019-04-04

Engines and pumps with motionless one-way valve

#63
20190093685
2019-03-28

Flow distributer

#64
20190086034
2019-03-21

Rapid production of droplets

#65
20190085880
2019-03-21

Method of profiling openings of elements of mechanical system for generating optimal pressure waves in elastic fluids

#66
20190085879
2019-03-21

Generalized flow profile production

#67
20190078716
2019-03-14

Material Flow

#68
20190003868
2019-01-03

Gas meter

#69
20180363686
2018-12-20

Baffle assembly for modifying transitional flow effects between different cavities

#70
20180355704
2018-12-13

Polymer flow control device

#71
20180328266
2018-11-15

Apparatus for increasing flow rate in engine pipe and processing method therefor

#72
20180299056
2018-10-18

Branch fitting for reducing stress caused by acoustic induced vibration

#73
20180298203
2018-10-18

Slippery liquid-infused porous surfaces and biological applications thereof

#74
20180274570
2018-09-27

AIR FLOW HOOD

#75
20180259130
2018-09-13

Passive diode-like device for fluids

#76
20180238358
2018-08-23

Photoacoustic layer disposed on a substrate generating directional ultrasound waves

#77
20180196007
2018-07-12

Ultrasonic sensor assembly and method of manufacture

#78
20180187022
2018-07-05

Sanitation systems and components thereof having a slippery surface

#79
20180164044
2018-06-14

Process for uniformizing the temperature of a liquid

#80
20180155137
2018-06-07

Method for improved transport of materials through a pipe, tube or cylinder structure using a vortex effect production device

#81
20180149177
2018-05-31

Particulate laden fluid vortex erosion mitigation

#82
20180142827
2018-05-24

Material Flow

#83
20180127594
2018-05-10

Containers, bottles, drums, vats, and tanks having a slippery surface

#84
20180106267
2018-04-19

Fan with fan wheel and guide wheel

#85
20180093265
2018-04-05

Electropermanent magnet activated microfluidic droplet size modulation

#86
20180091714
2018-03-29

AIR SCOOP TO DIRECT AIRFLOW OVER CAMERA LENS

#87
20180059087
2018-03-01

Bi-directional oil-flow adapter for attaching to a valve-controlled port of a transformer

#88
20180051944
2018-02-22

Turbulence generating device

#89
20180044180
2018-02-15

METHOD FOR TREATING WATER WITH CHLORINE DIOXIDE

#90
20180038087
2018-02-08

Blockage Prevention Device for Plumbing Vent Pipe

#91
20180023600
2018-01-25

FLUID SUPPLY PIPE

#92
20170361943
2017-12-21

Air supply plenum

#93
20170350428
2017-12-07

Pressure exchanger as choke

#94
20170314707
2017-11-02

Conveying of emulsion explosive

#95
20170306994
2017-10-26

Helix amplifier fittings

#96
20170306604
2017-10-26

Eliminate odor toilet with a jet device

#97
20170282409
2017-10-05

Overturning device for overturning molten material and purging method

#98
20170282408
2017-10-05

Overturning device for overturning molten material and purging method

#99
20170276251
2017-09-28

Orifice module for flow switch system

#100
20170268918
2017-09-21

Mass airflow sensor including one or more flow deflectors for inhibiting reverse airflow through the mass airflow sensor

#101
20170265691
2017-09-21

Valvular conduit

#102
20170138507
2017-05-18

Three-dimensional manufacturing of quieting valve having complex passages

#103
20170108020
2017-04-20

Total isolation diverter valve

#104
20170105455
2017-04-20

ATOMIZER AND AEROSOL GENERATING DEVICE THEREOF

#105
20170045063
2017-02-16

APPARATUS FOR ELIMINATING GAS ACCUMULATION IN PIPE, TANK OR EQUIPMENT

#106
20170037700
2017-02-09

Flow control valve including a plurality of tubes having a geometrically variable cross-section

#107
20170015897
2017-01-19

Formulations of copolymers based on alkyl acrylates used as defoamers of heavy and super-heavy crude oils

#108
20170015835
2017-01-19

Slippery surfaces with high pressure stability, optical transparency, and self-healing characteristics

#109
20170009928
2017-01-12

Pulsation damping system

#110
20170009787
2017-01-12

Fluid transfer apparatus

#111
20160368716
2016-12-22

VORTEX EFFECT PRODUCTION DEVICE AND METHOD OF IMPROVED TRANSPORT OF MATERIALS THROUGH A TUBE, PIPE, AND/OR CYLINDER STRUCTURE

#112
20160339408
2016-11-24

Fluid transport apparatus, method for controlling the same, and chemical synthesis apparatus

#113
20160290373
2016-10-06

Low-noise decompression device and combustion device

#114
20160270416
2016-09-22

Catalyzing pressure wave extraction method and apparatus

#115
20160252256
2016-09-01

Real-time control of exhaust flow

#116
20160252114
2016-09-01

Air flow hood

#117
20160252113
2016-09-01

Pipeline systems and methods

#118
20160238046
2016-08-18

Flow conditioner

#119
20160194086
2016-07-07

Air diffuser systems, methods, and apparatuses

#120
20160129208
2016-05-12

Enhanced eductor design

#121
20160097127
2016-04-07

Systems and methods for measuring entrained vapor

#122
20160091145
2016-03-31

Rapid production of droplets

#123
20160084246
2016-03-24

Attachment of a fluid flow hat for actuated valve

#124
20160025117
2016-01-28

Venturi bypass system and associated methods

#125
20150362001
2015-12-17

COOLANT SUCTION DEVICE AND MACHINE TOOL

#126
20150344126
2015-12-03

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

#127
20150323137
2015-11-12

SYSTEM AND PROCESS FOR HANDLING HEAVY OIL RESIDUE

#128
20150308385
2015-10-29

Pressure reducing device for gaseous fuel system

#129
20150300855
2015-10-22

Air mass flow sensor pipe

#130
20150198472
2015-07-16

Flowmeter with a flow conditioner formed by a protrusion having restriction provided upstream of the measurement section

#131
20150114609
2015-04-30

Heat transfer tube and cracking furnace using the same

#132
20150064595
2015-03-05

Fluid tube increasing uniformity of fluid flow and apparatus including the same

#133
20140290732
2014-10-02

Slippery surfaces with high pressure stability, optical transparency, and self-healing characteristics

#134
20140290731
2014-10-02

Slippery surfaces with high pressure stability, optical transparency, and self-healing characteristics

#135
20140290492
2014-10-02

Apparatus for distributing flow

#136
20140284131
2014-09-25

Work vehicle with fluid attentuator

#137
20140196809
2014-07-17

Low Flow Drain Pipe

#138
20140187666
2014-07-03

Slippery liquid-infused porous surfaces and biological applications thereof

#139
20140182720
2014-07-03

Pipeline system and drainage container for receiving liquid flowing through a pipeline system

#140
20140147627
2014-05-29

Slippery surfaces with high pressure stability, optical transparency, and self-healing characteristics

#141
20140069541
2014-03-13

System, transition conduit, and article of manufacture for transitioning a fluid flow

#142
20140053936
2014-02-27

Infusion method and structure for infusion method

#143
20140034173
2014-02-06

Water flow restriction device and method

#144
20130340873
2013-12-26

Apparatus for reducing turbulence in a fluid stream

#145
20130306183
2013-11-21

Reflector for fluid measurement system

#146
20130213483
2013-08-22

Real-time control of exhaust flow

#147
20130167955
2013-07-04

Vented Fan Duct

#148
20130167934
2013-07-04

Adjusting Air Flow without Restricting a Fan

#149
20130081730
2013-04-04

Water flow restriction device and method

#150
20130081698
2013-04-04

Method of controlling water droplet movement using microfluidic device

#151
20120324990
2012-12-27

Sensor system for determining at least one flow property of a fluid medium flowing in a main flow direction

#152
20120318393
2012-12-20

Flow guide structure for bladeless air fans

#153
20120318365
2012-12-20

Flow restrictor and method for reducing resistance of a flow

#154
20120279579
2012-11-08

Self-cleaning apparatus and method for thick slurry pressure control

#155
20120279573
2012-11-08

Self-cleaning apparatus and method for thick slurry pressure control

#156
20120255351
2012-10-11

Series configured variable flow restrictors for use in a subterranean well

#157
20120227819
2012-09-13

Fluid resistance reducing method and resistance reducing propulsion device

#158
20120227243
2012-09-13

Method of manufacturing closed-cell surfaces with advanced drag-reduction properties

#159
20120138304
2012-06-07

Device for directing the flow of a fluid using a pressure switch

#160
20120060624
2012-03-15

Series configured variable flow restrictors for use in a subterranean well

#161
20120031625
2012-02-09

Flow control device and flow control method

#162
20120016461
2012-01-19

Fluid flow controller

#163
20110284086
2011-11-24

Flow restrictor and method for reducing resistance of a flow

#164
20110273032
2011-11-10

Kaman vortex street generator

#165
20110226068
2011-09-22

Ultrasonic measurement apparatus having a deflection unit forming a loop

#166
20110203771
2011-08-25

Method and apparatus for electrical control of heat transfer

#167
20110198090
2011-08-18

Device and method for affecting the flow of fluid in a wellbore

#168
20110179858
2011-07-28

Sensor system for determining a parameter of a fluid medium

#169
20110174384
2011-07-21

REAL-TIME CONTROL OF EXHAUST FLOW

#170
20110162740
2011-07-07

Mixing device for individual hydration unit

#171
20110155129
2011-06-30

Enhanced eductor design

#172
20110150716
2011-06-23

Exhaust gas denitrizer

#173
20110051549
2011-03-03

Nucleation Ring for a Central Insert

#174
20110011478
2011-01-20

Apparatus for providing conditioned fluid flows

#175
20110005507
2011-01-13

REAL-TIME CONTROL OF EXHAUST FLOW

#176
20100307623
2010-12-09

Apparatus for reducing turbulence in a fluid stream

#177
20100300187
2010-12-02

Sensor system for determining a parameter of a fluid medium

#178
20100269583
2010-10-28

Flow vortex suppression apparatus for a mass air flow sensor

#179
20100226202
2010-09-09

FLUID FLOW MODIFICATION APPARATUS

#180
20100224275
2010-09-09

Flow straightening apparatus

#181
20100154930
2010-06-24

FUEL FLOW SHAPER

#182
20100154923
2010-06-24

Fuel flow shaper

#183
20100104748
2010-04-29

Method of using closed cell surfaces with enhanced drag-reduction properties

#184
20100096019
2010-04-22

VARIABLE FLOW RESHAPABLE FLOW RESTRICTOR APPARATUS AND RELATED METHODS

#185
20100032041
2010-02-11

System of stepped flow rate regulation using compressible members

#186
20100028145
2010-02-04

Flow control arrangement

#187
20090269139
2009-10-29

High capacity water diversion conduit

#188
20090102074
2009-04-23

Sieve tray for use in gas treatment towers

#189
20090084557
2009-04-02

Fluid flow conduit, method and use

#190
20090071561
2009-03-19

Method and system for improving gas flow in a duct or pipe

#191
20080149201
2008-06-26

Sleeve insert for mitigating acoustic cavity resonances and related method

#192
20080098981
2008-05-01

FLUID PASSAGE ORIFICE RING AND METHOD

#193
20080098499
2008-04-24

Flow assembly for an exhaust system

#194
20080092969
2008-04-24

VARIABLE FLOW RESHAPABLE FLOW RESTRICTOR APPARATUS AND RELATED METHODS

#195
20080060712
2008-03-13

Turbine inverter

#196
20080057287
2008-03-06

Closed cell surfaces with enhanced drag-reduction properties

#197
20080041474
2008-02-21

Sound attenuator

#198
20070247969
2007-10-25

Apparatus and method for creating a vortex flow

#199
20070215226
2007-09-20

Device, with vanes, for use within a pipeline, and pipeline arrangement including such device

#200
20070157986
2007-07-12

Flow restriction

#201
20070137717
2007-06-21

Structure and method for improving flow uniformity and reducing turbulence

#202
20070114480
2007-05-24

Vorticity generators for use with fluid control systems

#203
20070106373
2007-05-10

Internal formation for a conduit

#204
20070102053
2007-05-10

Plumbing fill valve restrictor and regulator apparatus

#205
20060266267
2006-11-30

Integrated air foil and diamond flow vane

#206
20060096650
2006-05-11

Non-linear noise suppressor for perforated plate flow conditioner

#207
20060054222
2006-03-16

Device for division of a non-Newtonian liquid flowing through a passage

#208
20060037294
2006-02-23

Cyclone dust collecting apparatus

#209
20060032492
2006-02-16

REAL-TIME CONTROL OF EXHAUST FLOW

#210
20060005892
2006-01-12

Intake tubing for engines

#211
20050284142
2005-12-29

Diesel engine exhaust system

#212
20050257845
2005-11-24

Even-flow septic tee arrangement

#213
20050205147
2005-09-22

Silencer for perforated plate flow conditioner

#214
20050087012
2005-04-28

Flow rectifier for an air mass sensor

#215
20050039813
2005-02-24

Apparatus and method for creating a vortex flow

#216
20050017019
2005-01-27

Pipe flow stabilizer

#217
18445803
2024-10-08

Engineering system and method of automatic controlling of the energy efficient mode of pipeline transporting process of fluid medium

#218
15340397
2018-01-16

Culvert diffuser

#219
15288872
2019-01-22

Equalizer manifold system and method of use

#220
14804925
2016-06-07

Method and apparatus for cleaning and clearing P-trap systems