F16K17/20 - CPC Classification Index

ClassID:

152314 ⎘

F16K17/20 - CPC Classification

Classification description:

Safety valves; Equalising valves, e.g. pressure relief valves Excess-flow valves

Sub-classes:

F16K17/205 » {specially adapted for flexible gas lines} 3
F16K17/22 » actuated by the difference of pressure between two places in the flow line 19
F16K17/34 » in which the flow-energy of the flowing medium actuates the closing mechanism 84

Recent Application in this class:

20250389341

2025-12-25

SELF-REGULATING CONTROL VALVE

20250067356

2025-02-27

MICRO-FLOW THROTTLING DEVICE

20250020220

2025-01-16

FLOW CONTROL VALVE

20230050871

2023-02-16

Fluid valves with an anti-stagnation trim guide

20220307606

2022-09-29

SELECTABLE FLUID COUPLER

20210363925

2021-11-25

EXCESS FUEL FLOW TO DRIVE TURBINE

20210139349

2021-05-13

Reject valve of reverse osmosis device

20210018114

2021-01-21

GAS FUSE COCK HAVING FLOW RATE SENSOR EMBEDDED THEREIN AND AUTOMATIC GAS SAFETY CIRCUIT BREAKER INCLUDING SAME

20200232389

2020-07-23

Excess fuel flow to drive turbine

#10

20190376473

2019-12-12

Fluid control valve

#11

20190301624

2019-10-03

Valve with segmented spring guide assembly

#12

20190277446

2019-09-12

High pressure tank apparatus and method of controlling same

#13

20190211941

2019-07-11

SYSTEM AND VALVE FOR WATER USE MONITORING AND CONTROL

#14

20190072197

2019-03-07

CARBON-FIBER SEAT FOR A PNEUMATIC HAMMER

#15

20190017616

2019-01-17

Safety joint for a fluid filling apparatus

#16

20180355987

2018-12-13

Check valve for overflow oil line when pressure fill fittings are remote

#17

20180334876

2018-11-22

Annular blowout preventer packer assembly

#18

20180274637

2018-09-27

Tensioner

#19

20180230680

2018-08-16

Water loss detection and control system

#20

20180216742

2018-08-02

System and valve for water use monitoring and control

#21

20180010704

2018-01-11

Pressure Relief Ball Valve

#22

20170265676

2017-09-21

Coffee machine

#23

20170211714

2017-07-27

Actuator of regulator and fluid regulator

#24

20170138495

2017-05-18

Pressure measuring system with self-closing throttle

#25

20170036897

2017-02-09

Oil return mechanism

#26

20170016549

2017-01-19

Bleed valves for gas turbine engines

#27

20160273492

2016-09-22

Valve for methane in automotive systems with by-pass system of the excess flow blocking device

#28

20160040663

2016-02-11

Check valve

#29

20160018017

2016-01-21

Water safety shut-off valve

#30

20150276117

2015-10-01

Method of installing an emergency flow restrictor device (EFRD) on a pipeline

#31

20150219231

2015-08-06

Excess flow valve with flexible sealing member

#32

20150211649

2015-07-30

GAS OR LIQUID CONTROL SYSTEM AND METHOD OF OPERATING

#33

20130091628

2013-04-18

Valve control system, bidet using the same, and valve control method

#34

20110232779

2011-09-29

Excess flow safety shut-off valve

#35

20080142098

2008-06-19

Water conservation safety shut-off valve

#36

20080087341

2008-04-17

Water conservation safety shut-off valve

#37

20080087330

2008-04-17

Water conservation safety shut-off valve