ClassID:

152619

F16K47/12 - CPC Classification

Classification description:

Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling channel being of helical form

Recent Application in this class:
#1
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VALVE CAGES HAVING LATTICE STRUCTURE

#2
20250314330
2025-10-09

EXPLOSION-PROOF SPIRAL EXHAUST PRESSURE RELIEF DEVICE FOR MINE

#3
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2025-03-20

WATER VALVE OF REDUCED NOISE AND METHOD THEREFOR

#4
20250067356
2025-02-27

MICRO-FLOW THROTTLING DEVICE

#5
20240175520
2024-05-30

Manufacturing valve trim to abate valve noise

#6
20230349488
2023-11-02

Method of manufacturing a fluid pressure reduction device

#7
20220412483
2022-12-29

Differential pressure loss valve

#8
20220170569
2022-06-02

Apparatus for noise reduction in valves

#9
20200340609
2020-10-29

Method of manufacturing a fluid pressure reduction device

#10
20200158260
2020-05-21

Differential pressure loss valve

#11
20190063466
2019-02-28

Fluid control valve

#12
20180355704
2018-12-13

Polymer flow control device

#13
20180340643
2018-11-29

Method of manufacturing a fluid pressure reduction device

#14
20180283580
2018-10-04

Throttle body with a plurality of channels extending three-dimensional spiral-shaped

#15
20180093203
2018-04-05

CHOKE VALVE SEPARATOR

#16
20170335655
2017-11-23

Flow and fluid conditioning pressure reducing valve or device

#17
20170284562
2017-10-05

Displacement control valve

#18
20160186892
2016-06-30

Valve assembly with cage and flow control assembly

#19
20160084038
2016-03-24

Flow and fluid conditioning pressure reducing valve or device

#20
20160061156
2016-03-03

Chamber for reducing operating noise of purge control solenoid valve for evaporative emission control system

#21
20150369375
2015-12-24

Adjustment valve with energy recovery

#22
20140150908
2014-06-05

Pressure control valve apparatus having a flow-guiding device

#23
20140026995
2014-01-30

Valve device with a flow guiding device

#24
20130019612
2013-01-24

Method and apparatus for recovering from a pressurized gas a liquid fraction, in particular hydrocarbons having two or more carbon atoms

#25
20120097400
2012-04-26

Valve for subsea hydrate inhibitor injection

#26
20120057964
2012-03-08

Impeller type water-hammer proof and silent check valve

#27
20080282717
2008-11-20

Expansion valve having a grooved valve member and refrigeration device including the same

#28
20060266971
2006-11-30

Value for portable hermetic containers

#29
20060202150
2006-09-14

Valve assembly with angled valve guide

#30
20050224737
2005-10-13

Hybrid flow metering valve

#31
20050218360
2005-10-06

Choke valve

#32
20050004557
2005-01-06

Orifice device having multiple channels with varying flow rates for drug delivery