ClassID:

152468

F16K31/128 - CPC Classification

Classification description:

Operating means Actuating devices; ; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like servo actuated

Recent Application in this class:
#1
20250271066
2025-08-28

VALVE WITHOUT BODY

#2
20240295107
2024-09-05

PNEUMATIC DRAIN VALVE DRIVING DEVICE

#3
20230175534
2023-06-08

SERVO VALVE

#4
20220186855
2022-06-16

Stepper motor proportional control bellows valve

#5
20210199211
2021-07-01

Microfluidic device for controlling pneumatic microvalves

#6
20210034082
2021-02-04

Pressure regulator

#7
20210011501
2021-01-14

Adjustment and remote control system with a pressure regulator for irrigation systems

#8
20200310472
2020-10-01

DUAL SET-POINT PRESSURE REGULATING SYSTEM

#9
20200147538
2020-05-14

Valve, use of such valve, separator comprising such valve and method of operating a separator

#10
20200103046
2020-04-02

Bellows-enabled bleed valve

#11
20200018418
2020-01-16

Fluid servo valve and fluid servo apparatus

#12
20190368631
2019-12-05

Method for monitoring a mechanical system

#13
20190301631
2019-10-03

Pressure independent control valve with an electronic control system

#14
20190271334
2019-09-05

Fluid valve assembly, process valve positioner and use of a fluid valve assembly in control of a process valve

#15
20190219194
2019-07-18

Valve system

#16
20190211941
2019-07-11

SYSTEM AND VALVE FOR WATER USE MONITORING AND CONTROL

#17
20190145530
2019-05-16

Valve and fluid control appratus

#18
20190093787
2019-03-28

Water heater gas valve

#19
20190049038
2019-02-14

Compact hydraulic servo-actuated valve

#20
20190038145
2019-02-07

Valve, fluid controller, and sphygmomanometer

#21
20180355997
2018-12-13

Pressure independent control valve with an electronic control system

#22
20180347713
2018-12-06

Proportional valve

#23
20180340555
2018-11-29

Servovalve

#24
20180216742
2018-08-02

System and valve for water use monitoring and control

#25
20180202562
2018-07-19

Valve and fluid control apparatus

#26
20180187795
2018-07-05

Valve device

#27
20180142803
2018-05-24

VALVE, AND CONTROL METHOD

#28
20180119843
2018-05-03

Fluid-actuated flow control valves

#29
20170350529
2017-12-07

Membrane valve for controlling flow and pressure relief

#30
20170314701
2017-11-02

Pressure relief valve

#31
20170248250
2017-08-31

Regulating device

#32
20170191572
2017-07-06

Valve and fluid control apparatus

#33
20170184208
2017-06-29

Apparatus to bias spool valves using supply pressure

#34
20170016554
2017-01-19

Pilot valve arrangement

#35
20170016553
2017-01-19

Pilot valve

#36
20160379857
2016-12-29

Vacuum processing apparatus

#37
20160377192
2016-12-29

Non-inert gas certified electronic controller

#38
20160341330
2016-11-24

Fluid-actuated flow control valves

#39
20160334139
2016-11-17

Slow opening and fast closing gas valves and related methods

#40
20160228889
2016-08-11

Fluid servo valve and fluid servo apparatus

#41
20160202708
2016-07-14

Fluid activated flow control apparatus

#42
20160195196
2016-07-07

Manual reset hydraulic valve latch for a hydraulically controlled valve

#43
20160169217
2016-06-16

Starting valve for a fluid operating machine working in a vacuum system

#44
20160139612
2016-05-19

Control system for gas pressure controllers in explosion risk areas

#45
20150247586
2015-09-03

Pilot valve structures and mass flow controllers

#46
20150204454
2015-07-23

Fluid activated flow control apparatus

#47
20150144815
2015-05-28

Clog resistant valve port and methods relating to same

#48
20150129070
2015-05-14

Apparatus to bias spool valves using supply pressure

#49
20150075641
2015-03-19

System for regulating pressure differentials on a fluid

#50
20150034847
2015-02-05

Valve and fluid control apparatus

#51
20140361203
2014-12-11

Pneumatically actuated liquid dispensing valve

#52
20140217315
2014-08-07

Valve system

#53
20140216245
2014-08-07

High gain servo valve

#54
20140117263
2014-05-01

Pneumatic drive system and method for operating the pneumatic drive system

#55
20140117262
2014-05-01

Shape memory alloy actuated pilot controlled latching valve

#56
20130000756
2013-01-03

Pressure-balanced fluid pressure regulators

#57
20120168652
2012-07-05

Pneumatically actuated liquid dispensing valve

#58
20120160345
2012-06-28

VALVE UNIT FOR CONTROLLING THE DELIVERY OFA COMBUSTIBLE GAS, IN PARTICULAR FOR DELIVERY VIA A GAS METERING APPARATUS, AND GAS METER INCLUDING SAID VALVE UNIT

#59
20120042960
2012-02-23

Control apparatus of vacuum valve

#60
20110303301
2011-12-15

Pressure management hydraulic control valve

#61
20100224806
2010-09-09

Pressure-reducing valve

#62
20100179700
2010-07-15

Stepper motor gas valve and method of control

#63
20100051116
2010-03-04

Piloted fuel tank vapor isolation valve

#64
20100009303
2010-01-14

Stepper motor valve and method of control

#65
20090308337
2009-12-17

Adaptive pressure control valve with variable switching point

#66
20090272549
2009-11-05

Dry valve for sprinkler system

#67
20080078967
2008-04-03

Wafer-shaped pilot-type valve

#68
20080023662
2008-01-31

Multi-functional regulator

#69
20060096642
2006-05-11

Opening and closing valve

#70
20060054847
2006-03-16

Control valve having a filter screen mounted flush with a valve closure member surface

#71
20050077490
2005-04-14

Tilted and stepped diaphragm for control valves

#72
17357325
2022-06-07

Valve core with a flow-through rod

#73
15236118
2017-12-26

Plunger-type diaphragm valve