ClassID:

153227

F16L37/40 - CPC Classification

Classification description:

Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied

Sub-classes:
Recent Application in this class:
#1
20260132877
2026-05-14

QUICK CONNECTOR HOSE

#2
20260055840
2026-02-26

FLUID CONNECTION ASSEMBLY WITH CONNECTION PREVENTION ELEMENT

#3
20250251070
2025-08-07

QUICK RELEASE CONNECTOR WITH SAFETY BUTTON

#4
20250243958
2025-07-31

COUPLING ASSEMBLY FOR LIQUID COOLING SYSTEM

#5
20250230761
2025-07-17

SYSTEMS, DEVICES, AND METHODS FOR REGENERATING A PARTICULATE FILTER

#6
20250155062
2025-05-15

FEMALE ELEMENT FOR FLUIDIC CONNECTOR

#7
20250129867
2025-04-24

QUICK DISCONNECT COUPLING ASSEMBLY

#8
20250075836
2025-03-06

CONTAINER CONNECTION SYSTEM AND FLUID CONTAINER

#9
20250012393
2025-01-09

HYDRAULIC COUPLING WITH DOVETAIL SEAL HAVING MULTIPLE RADIAL SEALING SURFACES AND INNER BIASING ELEMENT

#10
20240418281
2024-12-19

Inflator valve connector

#11
20240410507
2024-12-12

FLUID HANDLING COUPLINGS

#12
20240344646
2024-10-17

FLUID COUPLING AND SLEEVE THEREFOR

#13
20240318757
2024-09-26

FLUID COMMUNICATING STRUCTURE

#14
20240309980
2024-09-19

TWO-WAY TWIN-AXIAL CONNECTOR MODULE OF A RECEPTACLE FOR TRANSPORTING LIQUEFIED GAS AND LIQUEFIED GAS TRANSPORT SYSTEM INCLUDING THE SAME

#15
20240301978
2024-09-12

QUICK LOCK RELEASE COUPLING

#16
20240288107
2024-08-29

FEMALE ELEMENT OF A QUICK CONNECTOR, AND ASSOCIATED QUICK CONNECTOR

#17
20240167603
2024-05-23

ELBOW PIPE JOINT

#18
20240084942
2024-03-14

Hose connector

#19
20240084939
2024-03-14

Quick-coupling female element

#20
20240050728
2024-02-15

FLUID CONNECTOR SYSTEM

#21
20240019065
2024-01-18

Coupling element for a fluidic connection to a terminal

#22
20230400100
2023-12-14

Hydraulic coupling with dovetail seal having multiple radial sealing surfaces and inner biasing element

#23
20230399966
2023-12-14

Systems, devices, and methods for regenerating a particulate filter

#24
20230288005
2023-09-14

Needle-free connector

#25
20230235840
2023-07-27

VALVE INTERCONNECTOR

#26
20230152049
2023-05-18

Water supply device and tube connector structure thereof

#27
20230151919
2023-05-18

Coupling device and method

#28
20230071590
2023-03-09

Fluid connector with dry break

#29
20220412495
2022-12-29

Connector for forming a fluid flow pathway

#30
20220356974
2022-11-10

SWIVELLING COUPLING WITH EXTERNAL SEALING ELEMENT

#31
20220349503
2022-11-03

Male or female fluid coupling element and fluid coupling including such an element

#32
20220243851
2022-08-04

Male element of a fluidic coupling, fluidic coupling comprising such a male element and method for assembling such a male element

#33
20220146030
2022-05-12

Breakaway coupling with an anti-rotation safeguard

#34
20220120369
2022-04-21

Hydraulic fast-coupling assembly for coupling a water jet cutting system with a supporting head of a machine used for the working of sheet materials

#35
20220120368
2022-04-21

Adapter

#36
20220082174
2022-03-17

CHECK VALVE ASSEMBLY HAVING A CHECK VALVE ASSEMBLY UNION FORMED BETWEEN A CHECK VALVE HOUSING, A CHECK VALVE BODY ADAPTER AND A LOCKING RING

#37
20220065378
2022-03-03

Fluid handling components

#38
20210388927
2021-12-16

Valve connector switchable between locking and releasing

#39
20210278023
2021-09-09

Fluid connector with resealable membrane valve

#40
20210253342
2021-08-19

Coupler with quick release handle and valve assemblies

#41
20210247011
2021-08-12

Zero-flow fire-resistant thread-lock quick disconnect coupling

#42
20210188458
2021-06-24

Air-to-air coupling

#43
20210108732
2021-04-15

Leak resistant and serviceable receptacle

#44
20210101473
2021-04-08

Combination vehicle, trailer, and tractor

#45
20210086460
2021-03-25

Check structure for connection of air nozzle of tire and connection hose of air compressor

#46
20210060961
2021-03-04

Connection mechanism for liquid flow path and inkjet recording apparatus

#47
20210060881
2021-03-04

Anti-spray joint structure of connection hose of vehicle air compressor

#48
20210053282
2021-02-25

Outlet structure

#49
20210039803
2021-02-11

Fuel drain engagement tool

#50
20210033235
2021-02-04

UNIVERSAL FEMALE CONNECTOR

#51
20210025528
2021-01-28

Valve guide with integral assembly support

#52
20200408314
2020-12-31

Valve core

#53
20200392812
2020-12-17

Electric/hydraulic safety valve

#54
20200392811
2020-12-17

Electric/hydraulic safety valve

#55
20200378539
2020-12-03

Hydraulic line coupling for a hydraulic brake or clutch of handlebar-operated vehicles and hydraulic brake of a handlebar-operated vehicle

#56
20200370697
2020-11-26

Female fluid connection element, connection subassembly and connection comprising such a female element

#57
20200300396
2020-09-24

Fluid handling components

#58
20200292122
2020-09-17

Fluid coupling and sleeve therefor

#59
20200148177
2020-05-14

Device for inflating a tire

#60
20200141612
2020-05-07

TEMPERATURE AND PRESSURE VALVE WITH PUSH-TO-CONNECT FITTING

#61
20200056732
2020-02-20

Quick Release Connector

#62
20200032942
2020-01-30

Quick coupling for the detachable connection of two pipes through which a pressurized fluid flows

#63
20200032941
2020-01-30

Quick coupling for the detachable connection of two pipes through which a pressurized fluid flows

#64
20190383433
2019-12-19

Fluid coupling

#65
20190322449
2019-10-24

Coupler with quick release handle and valve assemblies

#66
20190219209
2019-07-18

Quick-coupling with internal slide locking mechanism

#67
20190101234
2019-04-04

Quick disconnect coupling with selective mating capability

#68
20190056034
2019-02-21

High pressure coupler

#69
20180356019
2018-12-13

Quick water intake device

#70
20180340637
2018-11-29

High pressure fitting

#71
20180299055
2018-10-18

Leak resistant and serviceable receptacle

#72
20180274707
2018-09-27

Valve connector

#73
20180274684
2018-09-27

Coupling member

#74
20180142813
2018-05-24

High pressure fitting

#75
20180135785
2018-05-17

AXIAL METAL SEAL RETAINER FOR IMPROVED FATIGUE RESISTANCE

#76
20170368903
2017-12-28

Contaminant resistant charge valve

#77
20170334640
2017-11-23

Coupler with quick release handle and valve assemblies

#78
20170314717
2017-11-02

Rapid-connect coupler

#79
20170307123
2017-10-26

CONNECTOR ASSEMBLY

#80
20170257980
2017-09-07

Fitting assembly and electronic device

#81
20170252551
2017-09-07

Connecting device for a medical infusion system

#82
20170238614
2017-08-24

Mouthpiece assembly, atomizer and electronic cigarette having same

#83
20170211738
2017-07-27

Quick coupling for the disconnectable connection of pipelines of fluid under pressure

#84
20170189665
2017-07-06

Medical connector

#85
20170184239
2017-06-29

Support block for interchangeable couplings

#86
20170159864
2017-06-08

Leak resistant and serviceable receptacle

#87
20170159856
2017-06-08

Refueling adapter

#88
20170146174
2017-05-25

Quick coupling engageable under pressure

#89
20170128713
2017-05-11

Connector with a dual diaphragm valve

#90
20170113912
2017-04-27

Fitment for dispensing fluids from a flexible container

#91
20170027151
2017-02-02

Sprayer

#92
20160366943
2016-12-22

Atomizer and electronic cigarette having same

#93
20160341348
2016-11-24

Fluid line connection device and method of operation thereof

#94
20160138746
2016-05-19

Twist-to-connect dry break coupling

#95
20160025210
2016-01-28

Transmission anti-leak valve

#96
20160003394
2016-01-07

Quick connect assembly including for use in pressurized fluid applications and incorporating auto shut-off feature

#97
20160003392
2016-01-07

Quick connect apparatus for plumbing fixture

#98
20150362111
2015-12-17

Rapid-connect coupler

#99
20150362102
2015-12-17

Method of coupling high pressure fitting

#100
20150258325
2015-09-17

Providing positive displacement upon disconnection using a connector with a dual diaphragm valve

#101
20150173937
2015-06-25

Tubing valve and uses thereof

#102
20150167881
2015-06-18

Apparatus to couple with and decouple from a male coupler

#103
20150157849
2015-06-11

Auto-shutoff coupling

#104
20150129682
2015-05-14

Sprayer

#105
20140265317
2014-09-18

High pressure fitting

#106
20140131606
2014-05-15

Dummy undersea hydraulic coupling member

#107
20140096389
2014-04-10

Method of configuring a check valve

#108
20140041734
2014-02-13

Quick connector

#109
20130186491
2013-07-25

Quick release connector

#110
20130175135
2013-07-11

Hydraulic fluid transfer assembly

#111
20130125989
2013-05-23

Ball and socket breakaway connector

#112
20130099486
2013-04-25

High-pressure connection

#113
20130049351
2013-02-28

Water outflow device

#114
20130030386
2013-01-31

Providing positive displacement upon disconnection using a connector with a dual diaphragm valve

#115
20130008539
2013-01-10

Coupler

#116
20120325351
2012-12-27

Fluid system for supplying a device with highly pure liquid

#117
20120305590
2012-12-06

Process for dispensing fluid with a slider valve fitment and collar

#118
20120297597
2012-11-29

Flow Max Coupler

#119
20120279986
2012-11-08

Process for assembling fitment on to a container

#120
20120222775
2012-09-06

Slider valve fitment and collar

#121
20120180891
2012-07-19

Male joint member for pipe joint

#122
20120118581
2012-05-17

Self sealing hydraulic coupler

#123
20120090711
2012-04-19

Easy-flow valve

#124
20120037247
2012-02-16

Rapid-connect coupler

#125
20120031515
2012-02-09

Shutoff Valves for Fluid Conduit Connectors

#126
20120007357
2012-01-12

QUICK RELEASE CONNECTOR

#127
20110073324
2011-03-31

Self sealing hydraulic coupler

#128
20100300567
2010-12-02

Subsea hydraulic coupler

#129
20100187809
2010-07-29

GAS ADAPTER

#130
20100183361
2010-07-22

Fluid coupling and method for assembling same

#131
20100025983
2010-02-04

Coupling Device for Connecting Line Devices, Preferably Quick Connector

#132
20100002061
2010-01-07

Connection mechanism and ink supply apparatus equipped with connection mechanism

#133
20100001517
2010-01-07

Fluid-transfer coupling device

#134
20090261577
2009-10-22

COUPLING ASSEMBLY

#135
20090239126
2009-09-24

Coupler, fuel cell employing the coupler and fuel cartridge

#136
20090224534
2009-09-10

Safety type quick connector

#137
20090223576
2009-09-10

Check valve

#138
20090218812
2009-09-03

Safety release adapter

#139
20090194722
2009-08-06

Female coupling element and a quick coupling including such an element

#140
20090108227
2009-04-30

Pipe joint

#141
20090058074
2009-03-05

Blocking device

#142
20090050836
2009-02-26

Connection device for quickly connecting pneumatic hose

#143
20080163954
2008-07-10

Method and system for the quick refill of an irritant dispenser

#144
20080135048
2008-06-12

Coupling for self-contained breathing apparatus

#145
20080053568
2008-03-06

Slider valve fitment and collar

#146
20080011369
2008-01-17

Pipe coupling and male coupling member

#147
20070233046
2007-10-04

Connector

#148
20070210273
2007-09-13

Pipe connector

#149
20070001143
2007-01-04

Pressurized fluid coupler with anti-recoil feature and methods

#150
20060289823
2006-12-28

Quick-coupling connection device for a robotized apparatus of a fire fighting system arranged in a tunnel

#151
20060185739
2006-08-24

Valve connector

#152
20060185738
2006-08-24

Valve connector

#153
20060102238
2006-05-18

Dual path hydraulic coupling

#154
20060055172
2006-03-16

Fluid quick connect with adjustable flow control valve

#155
20060027776
2006-02-09

Stub out fluid quick connector with shut off valve interface

#156
20060022464
2006-02-02

Quick disconnect cryogenic coupler

#157
20060011880
2006-01-19

Water supply shut off valve with quick connect having flow regulation

#158
20050247359
2005-11-10

Pressure relieving coupler manifold with internal velocity fuse

#159
20050194556
2005-09-08

Quick connect coupling including male and female elements

#160
20050161092
2005-07-28

Self-sealing one-piece vacuum fitting for bagging of composite materials

#161
20050125934
2005-06-16

Steam stop for steam cleaner

#162
20050087546
2005-04-28

Method and system for the quick refill of an irritant dispenser

#163
20050023826
2005-02-03

Coupler

#164
18668874
2025-07-29

Pipe coupler with retaining ring structure

#165
17029717
2021-11-16

Universal quick connector

#166
16831959
2022-06-07

Fluid transfer couplings and methods therefor

#167
15293143
2018-01-16

Water treatment cartridge with sealable inlet and outlet to prevent leaks

#168
13742125
2015-04-21

Easy-flow flushing system