ClassID:

153102

F16L29/04 - CPC Classification

Classification description:

Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied

Recent Application in this class:
#1
20260009483
2026-01-08

CONNECTOR DEVICE

#2
20250264176
2025-08-21

AUTOMATIC CONNECTOR FOR SUPPLYING UTILITY

#3
20250224055
2025-07-10

COUPLING DEVICE

#4
20250198553
2025-06-19

POPPET COUPLING

#5
20250172226
2025-05-29

MEDICAL CONNECTOR WITH LUER-INCOMPATIBLE CONNECTION PORTION

#6
20250164048
2025-05-22

COUPLING DEVICE

#7
20250109814
2025-04-03

SYSTEM AND METHOD FOR CENTRALIZING A QUICK CONNECT NIPPLE

#8
20250092976
2025-03-20

EXPANDABLE HOSE

#9
20250092975
2025-03-20

COUPLING DEVICE, AND METHOD FOR FLUSHING SAME

#10
20250067378
2025-02-27

BLIND MATE COUPLING WITH A SELF CENTERING MECHANISM

#11
20240377008
2024-11-14

PRESSURE-TEMPERATURE PORT CONNECTIONS FOR HEAT-TRANSFER DEVICES

#12
20240280201
2024-08-22

VALVE FOR A FLUID LINE OF E VEHICLE

#13
20240271735
2024-08-15

VALVE COUPLING ASSEMBLY

#14
20240125418
2024-04-18

Blind mate coupling with a self centering mechanism

#15
20240011588
2024-01-11

Medical connector with luer-incompatible connection portion

#16
20230392728
2023-12-07

COUPLING DEVICE FOR PRODUCING A NON-PERMANENT HYDRAULIC CONNECTION

#17
20230213128
2023-07-06

QUICK CONNECTOR

#18
20230175622
2023-06-08

Expandable hose

#19
20230143344
2023-05-11

SELF-CENTERING BLIND MATE FLUID COUPLING

#20
20230094260
2023-03-30

Connection assembly and thermoregulation assembly

#21
20220356972
2022-11-10

Hygienic coupling

#22
20220282814
2022-09-08

Medical connectors with luer-incompatible connection portions

#23
20220268381
2022-08-25

FLUID CONDUIT ASSEMBLY

#24
20220073249
2022-03-10

Self-sealing bag

#25
20220049806
2022-02-17

Misalignment accommodating hydraulic coupler

#26
20210310594
2021-10-07

Quick disconnect coupling

#27
20210254769
2021-08-19

Quick disconnect fitting

#28
20210239247
2021-08-05

Flow control cartridge

#29
20210222810
2021-07-22

Connector assembly

#30
20210190250
2021-06-24

Coupling with pressure relief

#31
20210189818
2021-06-24

Downhole disconnect tool

#32
20210131600
2021-05-06

Fluid coupling

#33
20210095807
2021-04-01

Powered emergency released coupling control and monitoring system

#34
20210095805
2021-04-01

Fluid coupling

#35
20210088161
2021-03-25

Check joint structure for connection of an air nozzle of a tire and a connector of a connection hose of an air compressor

#36
20210053282
2021-02-25

Outlet structure

#37
20200373790
2020-11-26

Systems and methods for wireless power and data transfer for connectors

#38
20200291734
2020-09-17

Downhole disconnect tool

#39
20200284385
2020-09-10

Axially engaging medical connector system that inhibits fluid penetration between mating surfaces

#40
20190383435
2019-12-19

Powered emergency released coupling control and monitoring system

#41
20190316718
2019-10-17

Coupling element and coupling device comprising this coupling element

#42
20190285211
2019-09-19

Coupling device for coupling lines for the outside

#43
20190203863
2019-07-04

HYDRAULIC CONNECTING PART AND COUNTERPART FOR A QUICK CONNECTOR

#44
20190186666
2019-06-20

Poppet coupling

#45
20190162347
2019-05-30

Coupling system for providing a plurality of fluid connections

#46
20190078712
2019-03-14

Axially engaging medical connector system with diminished fluid remnants

#47
20190072286
2019-03-07

Split heating and cooling systems

#48
20180283594
2018-10-04

Male coupling member

#49
20180252348
2018-09-06

FLAT-FACE QUICK ACTION COUPLER

#50
20180224034
2018-08-09

Emergency detachment device of fluid handling device

#51
20180215605
2018-08-02

Closed system valve assembly with expanded flow path

#52
20180180201
2018-06-28

Anti-unscrewing quick coupling fitting

#53
20180172191
2018-06-21

Pipe joint having releasably engageable plug and socket

#54
20180172190
2018-06-21

Axially engaging medical connector system with fluid-resistant mating interfaces

#55
20180094498
2018-04-05

Undersea hydraulic coupling with multiple pressure-energized metal seals

#56
20180087708
2018-03-29

Fireproof quick disconnect coupling assembly

#57
20180080668
2018-03-22

Split heating and cooling systems

#58
20170268707
2017-09-21

COUPLING PART FOR A SCREW COUPLING FOR PRESSURE MEDIUM LINES

#59
20170191595
2017-07-06

Fluid coupling and method

#60
20170114934
2017-04-27

POPPET VALVE ARRANGEMENT

#61
20170067586
2017-03-09

Breakaway connector

#62
20170016563
2017-01-19

INSULATED HOSE AND INSULATED HOSE COUPLING COVER

#63
20160327965
2016-11-10

Connection device for fluid circuits

#64
20160178086
2016-06-23

Fluid transfer device with quick-acting shutoff

#65
20160159482
2016-06-09

Aircraft galley water distribution manifold

#66
20160084416
2016-03-24

Breakaway coupling

#67
20160053927
2016-02-25

Fluid connector and method for making sealed fluid connections

#68
20160040815
2016-02-11

Quick coupling device for pressurized fluid

#69
20160018036
2016-01-21

Coupling part for a coupling for pressure medium lines

#70
20150362110
2015-12-17

Breakaway coupling

#71
20150240977
2015-08-27

Flow Valve With Components Which Prevent Interchangeability

#72
20150114500
2015-04-30

Low-temperature conduit coupling

#73
20140283939
2014-09-25

Fluid transfer device with connector

#74
20140246616
2014-09-04

Medical connectors with fluid-resistant mating interfaces

#75
20140246106
2014-09-04

Fluid transfer system having transfer device and dry break coupler

#76
20140131606
2014-05-15

Dummy undersea hydraulic coupling member

#77
20140102553
2014-04-17

Aircraft galley water distribution manifold

#78
20130306174
2013-11-21

Quick Connection and Separation Device of Tire Repair Machine

#79
20130127155
2013-05-23

Coupling lock mechanism

#80
20130125377
2013-05-23

Coupling lock mechanism

#81
20130092248
2013-04-18

Self-sealing hydraulic control line coupling

#82
20130025717
2013-01-31

Apparatus and method for recovering refrigerant through a double conduit connection

#83
20120241021
2012-09-27

COUPLING WITH SECONDARY VALVE STOP

#84
20120132294
2012-05-31

Fluid transfer device with lock

#85
20120090696
2012-04-19

Breakaway thread-lock quick connect/disconnect coupling

#86
20120031515
2012-02-09

Shutoff Valves for Fluid Conduit Connectors

#87
20120000568
2012-01-05

Fuel transfer coupling

#88
20100319807
2010-12-23

Fuel transfer coupling

#89
20100229981
2010-09-16

Self-sealing hydraulic control line coupling

#90
20100096032
2010-04-22

Coupling device

#91
20100024904
2010-02-04

Low emission fluid transfer device

#92
20090256356
2009-10-15

Motor fuel connector with replaceable tip seal

#93
20090229690
2009-09-17

Rigid mount anti-leak fluid coupler

#94
20090199914
2009-08-13

Fuel transfer coupling

#95
20090102182
2009-04-23

Connection apparatus and method

#96
20090033089
2009-02-05

Quick coupling element and a quick coupling including such an element

#97
20080277878
2008-11-13

Device and method for contamination-free and/or sterile sealing between at least two interconnectable connecting means

#98
20080271797
2008-11-06

Threaded coupling with flow shutoff

#99
20080257416
2008-10-23

Connector with screw valve

#100
20080245426
2008-10-09

Hydraulic coupling member with displaced water compensation system

#101
20080185844
2008-08-07

Female connection part comprising a member for actuating valves and a connection comprising such a female part

#102
20070199598
2007-08-30

Fuel transfer coupling

#103
20070102923
2007-05-10

Coupling system

#104
20070102051
2007-05-10

Threaded coupling with flow shutoff

#105
20070020965
2007-01-25

Hydraulic connector

#106
20060226387
2006-10-12

Check valve

#107
20060202146
2006-09-14

Valved male luer connector having sequential valve timing

#108
20060163514
2006-07-27

Valved male luer with vacuum feature

#109
20060065873
2006-03-30

Valved male luer

#110
20060038401
2006-02-23

Coupling for cryogenic media

#111
20050230969
2005-10-20

Floating seal for undersea hydraulic coupling

#112
20050199297
2005-09-15

Breakaway coupling with flapper valve

#113
20050164538
2005-07-28

Connection and part of such a connection

#114
20050128261
2005-06-16

Ink supply system

#115
20050087715
2005-04-28

Valved male luer connector having sequential valve timing

#116
20050081914
2005-04-21

Fluid injection system

#117
20050057040
2005-03-17

Floating seal for undersea hydraulic coupling

#118
20050051220
2005-03-10

Fuel transfer coupling

#119
20050035322
2005-02-17

Universal quick-disconnect

#120
20050001194
2005-01-06

Pressurized gas coupling

#121
18773601
2025-09-23

Pipe coupling structure for fluid transportation system

#122
14999548
2017-10-31

Fluid transfer device with pressure equilibrium valve