ClassID:

146578

F15D1/04 - CPC Classification

Classification description:

Influencing flow of fluids in pipes or conduits Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements or elbows with respect to flow, specially for reducing losses in flow

Recent Application in this class:
#1
20260114208
2026-04-23

METHOD AND APPARATUS FOR CONTROLLING A LIQUID

#2
20260036149
2026-02-05

FLOW DUCTS, FLOW ASSEMBLIES, AND METHODS COMPRISING FLOW DUCTS

#3
20260016029
2026-01-15

DUCT STRUCTURE HAVING GUIDE VANE

#4
20250283491
2025-09-11

COORDINATED FLOW PIPE ELBOW

#5
20250129870
2025-04-24

FLOW-OPTIMIZED LINE CONNECTOR, AND LINE CONNECTOR ASSEMBLY

#6
20250109758
2025-04-03

DUCT HAVING AIR DIRECTION FEATURE

#7
20250003434
2025-01-02

PLASTIC VENT WITH A FLOW DISRUPTOR

#8
20240384734
2024-11-21

INSERT PIECE FOR INSERTING INTO A CHANNEL SECTION OF AN ANGLED PIECE

#9
20240369084
2024-11-07

Materials delivery system and method

#10
20240100852
2024-03-28

LIQUID EJECTION APPARATUS

#11
20240003426
2024-01-04

Valve device

#12
20230204395
2023-06-29

Phase power device and fluid experiment system

#13
20230131371
2023-04-27

Gas flow conditioner in the flow bend, especially for ultrasonic gas meter

#14
20230112745
2023-04-13

Sweep elbow pipe connector with optimized flow path

#15
20230112504
2023-04-13

RECTIFICATION MEMBER

#16
20230080843
2023-03-16

METHOD AND APPARATUS FOR CONTROLLING A LIQUID

#17
20230070379
2023-03-09

Volumetric flow design for conduits

#18
20230055983
2023-02-23

LIQUID INTAKE WITH REMOVABLE COVER

#19
20230051286
2023-02-16

Flow control insert for an agent distribution system

#20
20230020882
2023-01-19

Flow divider with internal vane

#21
20220403861
2022-12-22

Fluid systems and methods that address flow separation

#22
20220403838
2022-12-22

Flow control valve

#23
20220373005
2022-11-24

Downdraft element and assembly

#24
20220325732
2022-10-13

Expanding and radiative flow mechanism

#25
20220306309
2022-09-29

Optimised nozzle geometry

#26
20220145902
2022-05-12

Guide device for directing gas through a gas pressurizing device

#27
20220128072
2022-04-28

Angle piece fluidically connecting fluid lines of a vehicle

#28
20220128071
2022-04-28

Device for increasing flow capacity of a fluid channel

#29
20220107024
2022-04-07

Valve device

#30
20220099114
2022-03-31

FLOW CONDITIONING DEVICE HAVING INTEGRATED FLOW CONDITIONING ELEMENTS

#31
20220034338
2022-02-03

Piping assembly and refrigeration system

#32
20220003455
2022-01-06

Fluid heater

#33
20210404491
2021-12-30

ADJUSTABLE FLOW SPLITTER FOR DISTRIBUTION SYSTEMS

#34
20210293204
2021-09-23

Exhaust diffuser hub structure for reducing flow separation

#35
20210285473
2021-09-16

FLOW STRAIGHTENING BLANK

#36
20210270298
2021-09-02

Flow conditioning assembly

#37
20210156394
2021-05-27

Multistage pump

#38
20210108658
2021-04-15

Fluid Medium Enhancement Apparatus

#39
20210071692
2021-03-11

Helix amplifier fittings

#40
20210041279
2021-02-11

Laminar flow restrictor

#41
20210010496
2021-01-14

Material guiding device

#42
20200378414
2020-12-03

Flow conditioning assembly

#43
20200284426
2020-09-10

HRSG with stepped tube restraints

#44
20200224616
2020-07-16

Structure of engine intake duct

#45
20200173593
2020-06-04

Flow divider with internal vane

#46
20200141660
2020-05-07

U-bends with the reduced pressure losses to fluid distributing networks

#47
20200063771
2020-02-27

VANE LOCKING APPARATUS

#48
20200049011
2020-02-13

System and method for fluid manipulation

#49
20190277316
2019-09-12

Device for Controlling the Flow Direction of Fluids

#50
20190257591
2019-08-22

U-bends with the reduced pressure losses to fluid distributing networks

#51
20190242413
2019-08-08

HELIX AMPLIFIER FITTINGS

#52
20190212040
2019-07-11

CONVERGING SUCTION LINE FOR COMPRESSOR

#53
20190186669
2019-06-20

Curved flow channel with built-in lattice structure

#54
20190145442
2019-05-16

Systems and methods for actively controlling a vortex in a fluid

#55
20190093685
2019-03-28

Flow distributer

#56
20180274831
2018-09-27

Converging suction line for compressor

#57
20180241052
2018-08-23

Valve unit

#58
20170306994
2017-10-26

Helix amplifier fittings

#59
20170284430
2017-10-05

Flow-conducting component

#60
20170023243
2017-01-26

Coal rope distributor with replaceable wear components

#61
20160061381
2016-03-03

Pressure Vessels, Design and Method of Manufacturing Using Additive Printing

#62
20160059171
2016-03-03

Air filtration cartridges having air flow rectification and methods of making air filtration cartridges having air flow rectification

#63
20160040820
2016-02-11

DOWNSPOUT END CAP

#64
20150362181
2015-12-17

Coal rope distributor with replaceable wear components

#65
20150059913
2015-03-05

Exhaust pipe

#66
20150013136
2015-01-15

TAMPER-RESISTANT WATER FLOW RESTRICTION SYSTEM

#67
20140373955
2014-12-25

Fluid flow modifier and fluid treatment system incorporating same

#68
20140332081
2014-11-13

Manifold designs, and flow control in multichannel microchannel devices

#69
20140119767
2014-05-01

Blower pipe, blowing device, and image forming apparatus

#70
20140048065
2014-02-20

Flow modification device

#71
20140034173
2014-02-06

Water flow restriction device and method

#72
20130291980
2013-11-07

Fluid flow controller

#73
20130269817
2013-10-17

Pump suction pipe

#74
20130248044
2013-09-26

Vent duct

#75
20130206263
2013-08-15

VORTEX CONTROL APPARATUS

#76
20130081730
2013-04-04

Water flow restriction device and method

#77
20130042923
2013-02-21

Constant temperature control device

#78
20120206878
2012-08-16

Flow path structure and electronic apparatus

#79
20120152394
2012-06-21

TURNING VANE FOR AIR DUCT

#80
20120125467
2012-05-24

AIR GUIDE AND AIR-GUIDING SYSTEM

#81
20120060939
2012-03-15

Tamper-resistant water flow restriction system

#82
20120016461
2012-01-19

Fluid flow controller

#83
20110241334
2011-10-06

Discharge elbow provided with guide vanes

#84
20110048065
2011-03-03

De-aerating flow straightener for cooling system

#85
20100313982
2010-12-16

Fluid flow control device

#86
20100154911
2010-06-24

Turning vane for air duct

#87
20100154688
2010-06-24

Coal rope distributor with replaceable wear components

#88
20090272303
2009-11-05

Anti-roping device for pulverized coal burners

#89
20090218000
2009-09-03

Apparatus for Redirecting a Medium Flowing in a Pipeline

#90
20090200103
2009-08-13

Sonic absorption device for an air pipeline of an aircraft, in particular of an air conditioning system of an aircraft

#91
20090074627
2009-03-19

Manifold designs, and flow control in multichannel microchannel devices

#92
20080289714
2008-11-27

Flow control method and apparatus

#93
20080283014
2008-11-20

Flow guide element for guiding the flow of a fluid medium

#94
20080237119
2008-10-02

Liquid Delivery

#95
20080114448
2008-05-15

Insert for a conduit

#96
20080092888
2008-04-24

Flow modification device

#97
20080085673
2008-04-10

Air flow path for an air impingement finger duct

#98
20080041474
2008-02-21

Sound attenuator

#99
20060196658
2006-09-07

Tubular slug reducer

#100
20060102239
2006-05-18

Fluid flow control device

#101
20050087767
2005-04-28

Manifold designs, and flow control in multichannel microchannel devices

#102
20050067834
2005-03-31

Changing fluid flow direction

#103
20050061380
2005-03-24

Helical formation for a conduit

#104
16389963
2023-02-21

Sweep elbow pipe connector with optimized flow path