ClassID:

152250

F16K15/08 - CPC Classification

Classification description:

Check valves with guided rigid valve members shaped as rings

Sub-classes:
Recent Application in this class:
#1
20250237285
2025-07-24

ADJUSTABLE POSITION SENSITIVE BASE VALVE

#2
20230250822
2023-08-10

Compressor with a suction valve having a spring, a seal, and a cylindrical suction valve body

#3
20220196015
2022-06-23

Flow control valve, oil pump assembly having the flow control valve, and scroll compressor

#4
20220178372
2022-06-09

Rotary compressor with backflow suppresion mechanism for an introduction path

#5
20210293341
2021-09-23

Thermodynamic valve for retaining vapours and gases and relieving pressure and vacuum

#6
20210262463
2021-08-26

Reciprocating gas compressor valve

#7
20210146381
2021-05-20

Flow control device with drain check

#8
20210087906
2021-03-25

Low shear control valve

#9
20200408115
2020-12-31

Valve device

#10
20200370668
2020-11-26

Annular valve and valve body for annular valve

#11
20200018402
2020-01-16

Automatic back-pressure valve for use in supercritical fluid chromatographic system

#12
20190390664
2019-12-26

Reciprocating compressor valve body made by additive manufacturing

#13
20190301446
2019-10-03

Reciprocating gas compressor valve

#14
20190085991
2019-03-21

Check valve assembly

#15
20190085929
2019-03-21

Check valve assembly

#16
20190003604
2019-01-03

Stacked valve assembly

#17
20180245702
2018-08-30

Nozzle check valve

#18
20180135767
2018-05-17

Check valve

#19
20180010516
2018-01-11

Check valve for connecting rod for variable compression internal combustion engine

#20
20170335979
2017-11-23

Automatic ring valve, shutters for automatic ring valves, and method for manufacturing said shutters

#21
20160238146
2016-08-18

Automatic ring valve shutters for automatic ring valves and method for manufacturing said shutters

#22
20160230678
2016-08-11

Control valve with annular poppet check valve

#23
20160123484
2016-05-05

Check valve

#24
20150247590
2015-09-03

Oscillating pressure in a finite volume

#25
20150044081
2015-02-12

Automatic valve with a spring holder ring

#26
20140366966
2014-12-18

High pressure check valve flange joint

#27
20140338761
2014-11-20

AUTOMATIC VALVE WITH INTERCHANGEABLE SEAT PLATE

#28
20140147316
2014-05-29

Piston pump for delivering fluids and associated vehicle brake system

#29
20140147315
2014-05-29

Piston pump for delivering fluids, and associated vehicle brake system

#30
20130199634
2013-08-08

Control valve for hydraulic media

#31
20130195685
2013-08-01

Self-cleaning disc valve for piston pump

#32
20130131609
2013-05-23

THREE-WAY STOPCOCK UNIT, CHECK VALVE, AND FLUID SUBSTANCE TRANSFER DEVICE

#33
20130032747
2013-02-07

Face sealing annular valve for a fluid-working machine

#34
20130032745
2013-02-07

Face sealing annular valve

#35
20120298780
2012-11-29

Check valve for spray nozzle and nozzle tube

#36
20120152379
2012-06-21

Suction valve with unloader

#37
20100269927
2010-10-28

Automatic concentric crank-side compressor valve

#38
20100162708
2010-07-01

Methods, apparatus and/or systems relating to fuel delivery systems for industrial machinery

#39
20090223573
2009-09-10

FLUID OPERATED VALVE

#40
20090220725
2009-09-03

CLOSING AND DAMPING DISKS

#41
20080230733
2008-09-25

Automatic suction and pressure valve

#42
20080223459
2008-09-18

Springless compressor valve

#43
20080156381
2008-07-03

Compressor valve

#44
20060180208
2006-08-17

Springless compressor valve

#45
20060011239
2006-01-19

Air admittance valve assembly

#46
20050067596
2005-03-31

Annular valve