ClassID:

153240

F16L37/56 - CPC Classification

Classification description:

Couplings of the quick-acting type for double-walled or multi-channel pipes or pipe assemblies

Sub-classes:
Recent Application in this class:
#1
20260131260
2026-05-14

Chromatography System and Couplings Therefor

#2
20260009483
2026-01-08

CONNECTOR DEVICE

#3
20250359769
2025-11-27

CONNECTOR FOR MEDICAL EQUIPMENT

#4
20250314339
2025-10-09

Non-Threaded Quick-Connect for Threaded Coupling

#5
20250305613
2025-10-02

POWDER INJECTOR WITH QUICK COUPLING

#6
20250257833
2025-08-14

MULTI-COUPLING FOR MEDIA LINES

#7
20250177884
2025-06-05

Chromatography System and Couplings Therefor

#8
20250172227
2025-05-29

COMPLEX CONNECTOR AND COMPLEX CONNECTOR STRUCTURE

#9
20250164053
2025-05-22

BLIND-MATE CONNECTOR AND LIQUID COOLING APPARATUS

#10
20250114267
2025-04-10

SYSTEM, METHOD, AND DEVICE UTILIZING REVERSIBLE CONNECTOR

#11
20250060060
2025-02-20

Connector Assembly and Female Connector Thereof

#12
20250012981
2025-01-09

ENERGY TRANSMITTING STUD-AND-SOCKET RELEASABLE FASTENING SYSTEM

#13
20240401735
2024-12-05

Hydraulic connection group with improved decompression system

#14
20240392906
2024-11-28

A Device As Quick Coupling Interface For Dual Docking And Refuelling

#15
20240392905
2024-11-28

Modular multi-connection device for hydraulic and electrical lines

#16
20240328557
2024-10-03

AIRCRAFT CONNECTOR FOR FLUID TRANSFER

#17
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

#18
20240255086
2024-08-01

CONNECTOR FOR HYDRAULIC LINES, MULTI-CONNECTOR DEVICE FOR THIS CONNECTOR AND TOOL FOR MOUNTING AND/OR DISMOUNTING THE CONNECTOR

#19
20240200705
2024-06-20

MULTIPORT DISCONNECT COUPLINGS

#20
20240200704
2024-06-20

Multi-Connector

#21
20240183626
2024-06-06

Coupling arrangement of a thermal connection for a vehicle

#22
20240139491
2024-05-02

ASEPTIC CONNECTOR FOR FLUID CONDUITS

#23
20240117603
2024-04-11

Universal Hydraulic Connecting Quick Coupler System

#24
20240068612
2024-02-29

Modular multi-coupling device

#25
20240023819
2024-01-25

CONNECTOR FOR MEDICAL EQUIPMENT

#26
20240019059
2024-01-18

Water hose connection clip

#27
20230392736
2023-12-07

COUPLER APPLIED TO GAS SUPPLY EQUIPMENT IN SEMICONDUCTOR MANUFACTURING PROCESS

#28
20230348133
2023-11-02

PIPE CONNECTABLE PLASTIC BUCKET AND METHOD OF USING THE SAME

#29
20230313922
2023-10-05

Adapter and method for connecting

#30
20230246367
2023-08-03

MULTI COUPLING FOR COUPLING LINES WITH AN ALIGNMENT AID

#31
20230184362
2023-06-15

Lockable exchangeable fluid connector and method

#32
20230152049
2023-05-18

Water supply device and tube connector structure thereof

#33
20230129778
2023-04-27

CONNECTION DEVICE, CONNECTOR HAVING SAME, AND HEAT EXCHANGE APPARATUS

#34
20230094260
2023-03-30

Connection assembly and thermoregulation assembly

#35
20220403858
2022-12-22

Integrated multi-connection hydraulic group

#36
20220381387
2022-12-01

A Docking System For The Hydraulic Connection Between An Operating Unit And One Or More Mobile Service Units, With A Floating Support Device

#37
20220316639
2022-10-06

Electrical conduit, connection structure for electrical conduit, bell block, method for connecting electrical conduit, method for connecting electrical conduit and bell block, pipe coupling, ring member, double-wall electrical conduit, and connection structure and conduit line for double-wall electrical conduit

#38
20220315278
2022-10-06

Pipe connectable plastic bucket and method of using the same

#39
20220299144
2022-09-22

Aseptic connector for fluid conduits

#40
20220252196
2022-08-11

Multiport disconnect couplings

#41
20220196194
2022-06-23

Coupling device

#42
20220195688
2022-06-23

Multi-coupler and cover thereof

#43
20220065379
2022-03-03

Gas supply connector

#44
20220034436
2022-02-03

MULTI-COUPLER MANIFOLD WITH MANUAL AND AUTOMATIC PRESSURE RELIEF

#45
20210364105
2021-11-25

Seal on the interstice of double-walled fiberglass pipe

#46
20210361522
2021-11-25

System, method, and device utilizing reversible connector

#47
20210254770
2021-08-19

CONDUIT ALIGNMENT TOOL

#48
20210222403
2021-07-22

Coupler guard system

#49
20210102651
2021-04-08

Quick connector structure for automobiles

#50
20210071785
2021-03-11

Preformed Duct Assembly

#51
20210062947
2021-03-04

Multi port fluid connector

#52
20210054955
2021-02-25

Coupling assembly with retaining clip member

#53
20200408344
2020-12-31

Sub-sea connector

#54
20200400257
2020-12-24

Hydraulic multi-coupling with independent single handle rotational disconnect

#55
20200326024
2020-10-15

Range of Rapid Couplers with Different Coupler Cartridges

#56
20200309306
2020-10-01

Hydraulic and/or pneumatic multi-coupling connector with lever actuated mechanism

#57
20200248856
2020-08-06

Latch mechanism for multi-coupling

#58
20200248853
2020-08-06

Electrical conduit, connection structure for electrical conduit, bell block, method for connecting electrical conduit, method for connecting electrical conduit and bell block, pipe coupling, ring member, double-wall electrical conduit, and connection structure and conduit line for double-wall electrical conduit

#59
20200206653
2020-07-02

Chromatography system and couplings therefor

#60
20200049293
2020-02-13

Coupling/uncoupling device for multi-coupling plates

#61
20200038287
2020-02-06

Dual plumbing system for a hot tub or spa

#62
20200003317
2020-01-02

Method for connecting at least two fluid valves and the system for fluid communication implemented

#63
20190353289
2019-11-21

Hydraulic system

#64
20190350118
2019-11-21

Implement multi-coupler with breakaway feature

#65
20190290540
2019-09-26

Dual plumbing system for a hot tub or spa

#66
20190285207
2019-09-19

Pipe joint and joint connection device

#67
20190285181
2019-09-19

Quick coupling with multi-piece elastomer seal

#68
20190242511
2019-08-08

Pneumatic and/or hydraulic fastening device, in particular of the multiple-connection type

#69
20190237886
2019-08-01

Multicoupling with control means

#70
20190234549
2019-08-01

Coupling device with integrated stopcock and device for supplying a flowable substance

#71
20190191622
2019-06-27

Localized hydraulic circuit configuration detection and loading in a self-propelled agricultural product applicator

#72
20190186666
2019-06-20

Poppet coupling

#73
20190178430
2019-06-13

Multi-line connection quick multi-coupling

#74
20190169821
2019-06-06

Coupler guard system

#75
20190162347
2019-05-30

Coupling system for providing a plurality of fluid connections

#76
20190162345
2019-05-30

Connector assembly for hose connection of hot water mat

#77
20190154180
2019-05-23

Coupling device

#78
20190154065
2019-05-23

Multi-couplings plate and ensemble of plates comprising such a multi-couplings plate

#79
20190145561
2019-05-16

Hydraulic and/or pneumatic multi-coupling connector with lever actuated mechanism

#80
20190137023
2019-05-09

Coupling device for releasably connecting conduit portions

#81
20190101232
2019-04-04

Coupling assembly with retaining clip member

#82
20190097340
2019-03-28

Guided plug connector

#83
20190093808
2019-03-28

Hydraulic and/or pneumatic connector, in particular of the multiple connection type

#84
20190059754
2019-02-28

Connector for medical equipment

#85
20180340556
2018-11-29

Connector for hydrodynamic applications equipped with at least one detection sensor

#86
20180328511
2018-11-15

Valve body structure facilitating maintenance of hose

#87
20180238480
2018-08-23

Valved connector

#88
20180135785
2018-05-17

AXIAL METAL SEAL RETAINER FOR IMPROVED FATIGUE RESISTANCE

#89
20180134598
2018-05-17

MODULAR FLUID PURIFICATION SYSTEM AND COMPONENTS THEREOF

#90
20180128391
2018-05-10

NIPPLE

#91
20180038528
2018-02-08

Multifunction integrated connection head assembly structure

#92
20170356582
2017-12-14

Adapters for connecting a separated-outlet fluid cartridge to a single-inlet mixer, and related methods

#93
20170336006
2017-11-23

MALE COUPLING WITH INTEGRATED SHUNT SYSTEM, KIT COMPRISING SAID MALE COUPLING FOR ACHIEVING THE SHUNT FUNCTION ON THE MOVABLE SIDE OF A MULTI-COUPLING DEVICE AND MULTI-COUPLING DEVICE COMPRISING SAID KIT

#94
20170300725
2017-10-19

Arrangement for determining the plugging position of a hose coupling on a connection field

#95
20170299090
2017-10-19

Preformed duct assembly

#96
20170202128
2017-07-20

Work vehicle multi-coupler with breakaway feature

#97
20170190084
2017-07-06

Fuel line connector and method of making

#98
20170184239
2017-06-29

Support block for interchangeable couplings

#99
20170175783
2017-06-22

Multiple coupling manifold for quick coupling

#100
20170167652
2017-06-15

Fluid transport coupling

#101
20170045170
2017-02-16

Releasable connection assembly

#102
20170030497
2017-02-02

Fluid coupling mating apparatus and method

#103
20170009919
2017-01-12

Button latch with integrally molded cantilever springs

#104
20160369923
2016-12-22

Multi-coupling device for the multiple quick coupling of multiple hydraulic, electrical and/or pneumatic lines, with the possibility of individual manual couplings

#105
20160348823
2016-12-01

Electronic device and multifunction integrated connection head assembly structure thereof

#106
20160290543
2016-10-06

Fluid transmission flat-face coupler with frontal annular seal

#107
20160290542
2016-10-06

Fluid transmission coupling with independent member pressure relieving cam

#108
20160287350
2016-10-06

Washing device for medical instruments

#109
20160281895
2016-09-29

Fluid transmission coupler with rear chamber fed by oblique pipe

#110
20160245444
2016-08-25

Hydraulic line attachment device and method

#111
20160244939
2016-08-25

Implement interface

#112
20160208972
2016-07-21

Male bayonet connector

#113
20160208971
2016-07-21

Male bayonet connector

#114
20160116095
2016-04-28

Line connector and line set for fluid media

#115
20160109044
2016-04-21

Multi-coupling device with pressure relief circuit

#116
20160102791
2016-04-14

Coupling assembly with retaining clip member

#117
20160061370
2016-03-03

Quick-fit hydraulic or hydrodynamic coupling for pressurized fluids

#118
20160053924
2016-02-25

Pipe retainer

#119
20160045365
2016-02-18

Multi lumen co-radial pneumatic connector

#120
20160010772
2016-01-14

Connecting plug, cooling circuit equipped with such a connecting plug and method for connecting such a cooling circuit and a cold plate

#121
20150267850
2015-09-24

Coaxial high-pressure coupling with overpressure relief

#122
20150176340
2015-06-25

Connection system for subsea connection of a subsea umbilical to a subsea appliance

#123
20150115598
2015-04-30

High pressure fluid conduit connector components and connector assembly

#124
20150000653
2015-01-01

Fluid inlet adapter

#125
20140151999
2014-06-05

Fluid coupler device and interface structure of daughterboard

#126
20140131992
2014-05-15

Hydraulic line attachment device and method

#127
20140112699
2014-04-24

Sub-sea multiple quick connector assembly

#128
20140102547
2014-04-17

Device for connecting pneumatic tools to a manipulator

#129
20140058301
2014-02-27

Reinforced connector

#130
20140041187
2014-02-13

Utility coupler with failsafe features

#131
20140034149
2014-02-06

Hydraulic joint structure, hydraulically-actuated device including hydraulic joint structure, joint portion constituting hydraulic joint structure, hydraulic pressure generating unit including joint portion, end tool unit including joint portion, and hydraulic hose unit including joint portion

#132
20140001748
2014-01-02

Fuel line connector and method of making

#133
20130309886
2013-11-21

Connector assembly and corresponding assembly

#134
20130264821
2013-10-10

Connector

#135
20130192800
2013-08-01

Cooling system with coolant circulation duct

#136
20130147185
2013-06-13

Cluster-type fluid-conducting pipe connecting device

#137
20130134702
2013-05-30

Apparatus to make up multiple quick connect couplings

#138
20120234415
2012-09-20

Coaxial quick coupling

#139
20120205907
2012-08-16

HYDRAULIC LINE ATTACHMENT DEVICE AND METHOD

#140
20120126527
2012-05-24

Quick coupler

#141
20120109030
2012-05-03

Reinforced connector

#142
20120068455
2012-03-22

Adapter for connecting a receptacle connector to a coupling socket of a dialysis machine

#143
20120055190
2012-03-08

Fitting assemblies to provide fluid supply to ice and water dispensers in refrigerator doors

#144
20120049508
2012-03-01

Hose connection structure of air mattress

#145
20120031515
2012-02-09

Shutoff Valves for Fluid Conduit Connectors

#146
20120003855
2012-01-05

Coupling arrangement

#147
20110308635
2011-12-22

Hydraulic line attachment device and method

#148
20110304133
2011-12-15

Connector for fluid piping and connector assembly

#149
20110284196
2011-11-24

HEAT EXCHANGER WITH AN IMPROVED CONNECTOR FOR AN AIR CONDITIONING CIRCUIT OF A MOTOR VEHICLE

#150
20110272937
2011-11-10

Fluid coupling assembly

#151
20110254265
2011-10-20

Hydraulic connection assembly with pressure discharge control

#152
20110210541
2011-09-01

Button latch with integrally molded cantilever springs

#153
20110204622
2011-08-25

Male bayonet connector

#154
20110204621
2011-08-25

Fluid connector latches with profile lead-ins

#155
20110198841
2011-08-18

Pipe coupling apparatus

#156
20110198840
2011-08-18

Multi-coupling device for multiple quick-coupling connection of several hydraulic, electrical and pneumatic lines, equipped with decompression system

#157
20110127767
2011-06-02

Releasable Connection Assembly for Joining Tubing Sections

#158
20110100364
2011-05-05

Multiple conduit connector apparatus and method

#159
20110030825
2011-02-10

Quick coupling with safety catch device

#160
20110012341
2011-01-20

Multiple Plug Coupling for Media Lines

#161
20100318069
2010-12-16

MULTI-CHANNEL COUPLING FOR MULTI-LUMEN TUBE

#162
20100284730
2010-11-11

Multiple port snap swivel coupling and kit

#163
20100276619
2010-11-04

Fluid conduit connector apparatus

#164
20100224269
2010-09-09

COUPLING MECHANISM IN A FLUID DELIVERY SYSTEM

#165
20100148494
2010-06-17

Hydraulic line attachment device and method

#166
20100140156
2010-06-10

Modular fluid purification system and components thereof

#167
20100104681
2010-04-29

Blow-mold assembly for the manufacturing of containers, including a mold and a plug for fluid connection

#168
20100090458
2010-04-15

Multicoupling Device

#169
20100066076
2010-03-18

Hydraulic connection

#170
20100052312
2010-03-04

Power source coupling and coupler having a power source coupling

#171
20100034580
2010-02-11

Quick connect coupling for connecting hydraulic lines, especially in earth moving machines, and the interchangeable add-on devices and tools thereof

#172
20090322072
2009-12-31

Connection assembly and method of connecting such an assembly

#173
20090256355
2009-10-15

Releasable connection assembly for joining tubing sections

#174
20090232585
2009-09-17

Multi-port fluid connectors, systems and methods

#175
20090146092
2009-06-11

Fluid conduit connector apparatus

#176
20090138010
2009-05-28

Wedge coupling

#177
20090058077
2009-03-05

Multicoupling Device

#178
20090051163
2009-02-26

Coupling apparatus for releasably coupling hydraulically powered work implements to a work vehicle

#179
20090051161
2009-02-26

Multiconnector For a Conduit

#180
20080287843
2008-11-20

Reinforced connector

#181
20080264605
2008-10-30

Heater core assembly

#182
20080073904
2008-03-27

Vacuum Lock Disconnect System and Method of Use

#183
20080063996
2008-03-13

Dental treatment apparatus

#184
20080036199
2008-02-14

Quick coupling

#185
20080029966
2008-02-07

Seal assembly

#186
20080014774
2008-01-17

Coupling device for media conduits

#187
20080006658
2008-01-10

Solenoid control valve with quick-connect fittings for mating with an adhesive control module assembly of a hot melt adhesive dispensing system

#188
20070241560
2007-10-18

Coaxial quick connector

#189
20070000833
2007-01-04

Modular fluid purification system and components thereof

#190
20060273580
2006-12-07

Coupling for a hydraulic or pneumatic assembly

#191
20060243454
2006-11-02

System and method for forming downhole connections

#192
20060170209
2006-08-03

Hydraulic line attachment device and method

#193
20060130910
2006-06-22

Quick coupling having pressure relief device for multiple pressurized lines

#194
20060130909
2006-06-22

Pipe connector for cryogenic use

#195
20060090898
2006-05-04

Subsea junction plate assembly running tool and method of installation

#196
20050285390
2005-12-29

Multicoupling device

#197
20050247359
2005-11-10

Pressure relieving coupler manifold with internal velocity fuse

#198
20050242581
2005-11-03

Coupler

#199
20050184510
2005-08-25

Hydraulic line attachment device and method

#200
20050184264
2005-08-25

Fluid conduit connector apparatus

#201
20050082828
2005-04-21

Releasable connection assembly for joining tubing sections

#202
20050070150
2005-03-31

Assembly for connecting a jumper to a subsea structure

#203
20050028877
2005-02-10

Joint-type coaxial connection

#204
18386716
2024-06-18

Methods and systems for reversibly consummating fluidic connections

#205
17072633
2023-10-17

Outdoor apparatus

#206
16995442
2024-02-27

Split manifold and method for multiple part fluid applications