ClassID:

153214

F16L37/252 - CPC Classification

Classification description:

Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet action the coupling being co-axial with the pipe the male part having lugs on its periphery penetrating in the corresponding slots provided in the female part

Recent Application in this class:
#1
20260117905
2026-04-30

MAGNETIC COUPLING MECHANISM FOR FLUID CONDUITS

#2
20260104121
2026-04-16

CONNECTOR ASSEMBLY

#3
20250361963
2025-11-27

TUBE COUPLING

#4
20250269659
2025-08-28

FLOW PATH CONNECTION MECHANISM AND INKJET RECORDING APPARATUS

#5
20250269658
2025-08-28

FLOW PATH CONNECTION MECHANISM AND INKJET RECORDING APPARATUS

#6
20250269655
2025-08-28

FLOW PATH CONNECTION MECHANISM AND INKJET RECORDING APPARATUS

#7
20250043896
2025-02-06

Systems and methods for conveying gas and twist-lock connectors for the same

#8
20250012391
2025-01-09

CIRCULATING CIRCUIT MEMBER, AND MANUFACTURING METHOD FOR CIRCULATING CIRCUIT MEMBER

#9
20240392543
2024-11-28

HYDRANT NOZZLE CAP ADAPTER

#10
20240384822
2024-11-21

Dynamic quick connector coupling

#11
20240328555
2024-10-03

TORSIONAL CONNECTOR COUPLING ASSEMBLY

#12
20240263728
2024-08-08

PIPE JOINT ASSEMBLY

#13
20240255085
2024-08-01

Tamper-resistant hydraulic connections

#14
20240230000
2024-07-11

COUPLING DEVICE WITH COATING

#15
20240218952
2024-07-04

CONNECTION MEMBER AND CONNECTION UNIT

#16
20240142033
2024-05-02

TRANSFER DEVICE

#17
20240116065
2024-04-11

SPRAYGUN WITH BUILT-IN QUICK-FIT CONNECTOR

#18
20230243448
2023-08-03

Coupling fittings and coupling structure

#19
20230243433
2023-08-03

DIRECTIONAL VALVE AND VALVE CAGE FOR A DIRECTIONAL VALVE

#20
20230235840
2023-07-27

VALVE INTERCONNECTOR

#21
20230175623
2023-06-08

Connector assembly for coupling a vessel to a fluid tube

#22
20230144489
2023-05-11

Line coupling assembly

#23
20230143867
2023-05-11

TUBE COUPLING

#24
20230134783
2023-05-04

Device for coding a first connection partner and a second connection partner of a bayonet lock, and device set

#25
20230128857
2023-04-27

A COUPLING FOR INTERCONNECTING TWO ITEMS

#26
20230092513
2023-03-23

Hydrant nozzle cap adapter

#27
20220381386
2022-12-01

HIGH PRESSURE QUICK CONNECT FLUID COUPLING AND GASKET FOR SEALING COUPLING

#28
20220268385
2022-08-25

Quick connect coupler

#29
20220090719
2022-03-24

Fluid connection device

#30
20220090718
2022-03-24

CONNECTOR ASSEMBLIES FOR CONNECTING TUBULARS AND RELATED METHODS

#31
20220082194
2022-03-17

Pipe fittings with filter

#32
20220074531
2022-03-10

Systems and methods for a reusable, aseptic connector

#33
20220042637
2022-02-10

Device for connecting two tubular objects

#34
20210355661
2021-11-18

Hydrant nozzle cap adapter

#35
20210285586
2021-09-16

Fluid connection systems

#36
20210262600
2021-08-26

System and method of releasably connecting pipe sections

#37
20210247010
2021-08-12

Storz-type fluid coupling and system

#38
20210246949
2021-08-12

Quick connect for conduits

#39
20210246738
2021-08-12

Quick coupling drill pipe connector

#40
20210231245
2021-07-29

Quick connect for hose system

#41
20210222810
2021-07-22

Connector assembly

#42
20210222809
2021-07-22

Aircraft tail lock

#43
20210190247
2021-06-24

Connection arrangement for forming a fluidic connection

#44
20210172554
2021-06-10

Mounting structure, lower water outlet tank, and air treatment device

#45
20210140574
2021-05-13

Coupling part and hose coupling provided therewith, and method for coupling a hose

#46
20210131597
2021-05-06

Connector assembly for adhesive dispensers

#47
20210123528
2021-04-29

Hose coupling seal

#48
20210053080
2021-02-25

Spraygun with built-in quick-fit connector

#49
20210048205
2021-02-18

Ventilation systems

#50
20200370749
2020-11-26

Cross compatible adapter for chimney sections with different outer diameters

#51
20200355309
2020-11-12

Connection member, connection assembly and tire repair machine

#52
20200340607
2020-10-29

Connector for circuit elements

#53
20200332936
2020-10-22

Self-retaining plug and compatible socket

#54
20200309302
2020-10-01

SECURE COUPLING FOR IRRIGATION CONDUIT AND RELATED METHODS

#55
20200282247
2020-09-10

SPRINKLER DEVICE, CONNECTING PIECE, SPRINKLER SYSTEM AND A METHOD FOR PRODUCING AND USING SAME

#56
20200088335
2020-03-19

Secure coupling for irrigation conduit and related methods

#57
20200072400
2020-03-05

Female pipe coupling member having communication terminal

#58
20200049286
2020-02-13

Seal

#59
20190277433
2019-09-12

HOSE COUPLING

#60
20190203865
2019-07-04

Low Leak Hydraulic Connector

#61
20190203864
2019-07-04

Bayonet connection for connecting a connector to a tubular body, bayonet ring, and tubular body

#62
20190195386
2019-06-27

No-bolt latching system

#63
20190093800
2019-03-28

Tube coupling assembly

#64
20190070446
2019-03-07

High-visibility locking levers for fire hose couplings

#65
20190040990
2019-02-07

Member linking mechanism and member linking method

#66
20190032832
2019-01-31

Coupling element for connecting a fluid line

#67
20190024834
2019-01-24

Tube quick-release assembly

#68
20190011069
2019-01-10

Connector for a fluid conduction system and a fluid conduction system with a corresponding connector

#69
20180320809
2018-11-08

Unit, manifold, and flow path forming method

#70
20180280742
2018-10-04

Fire hose coupling with directional indicator

#71
20180187811
2018-07-05

Connection system

#72
20180178310
2018-06-28

Thread connection for a torch system

#73
20180149277
2018-05-31

BARREL VALVE FOR GENERATION OF CUSTOMIZABLE PRESSURE WAVEFORMS

#74
20180128407
2018-05-10

CONNECTORS AND CONNECTOR ASSEMBLIES AND DEVICES AND INSTRUMENTS INCLUDING THEM

#75
20180128406
2018-05-10

Connector assemblies for connecting tubulars and related methods

#76
20180119861
2018-05-03

Male connector for a cooling pipe and a connection system

#77
20180066780
2018-03-08

Bayonet connection for coupling bodies

#78
20180031158
2018-02-01

Breech lock coupling

#79
20170354429
2017-12-14

Connector for surgical handpiece

#80
20170326392
2017-11-16

Fire hose coupling with directional indicator

#81
20170307121
2017-10-26

Pipe coupling

#82
20170299100
2017-10-19

Quick connector with anti-rotate feature

#83
20170284584
2017-10-05

Connector assemblies, fluid systems including connector assemblies, and procedures for making fluid connections

#84
20170276279
2017-09-28

Vent tube for bottling machine and related methods

#85
20170268709
2017-09-21

System and Method of Releasably Connecting Pipe Sections

#86
20170239823
2017-08-24

Device for connecting pneumatic tools to a manipulator

#87
20170234470
2017-08-17

CONNECTIVE OUTLET FITTING FOR LIQUID COLOR DISPENSING

#88
20170227155
2017-08-10

Connection system

#89
20170191595
2017-07-06

Fluid coupling and method

#90
20170159856
2017-06-08

Refueling adapter

#91
20170138521
2017-05-18

Coupling

#92
20170122472
2017-05-04

ADAPTER COUPLING

#93
20170082230
2017-03-23

Low-Leak Hydraulic Connectors

#94
20170050197
2017-02-23

Quick connect showerhead

#95
20170036047
2017-02-09

Fire hose coupling with directional indicator

#96
20170001516
2017-01-05

FILLING APPARATUS FOR A VEHICLE TANK

#97
20160356410
2016-12-08

Connection device for connecting two fluid circuits

#98
20160348822
2016-12-01

Actuator conduit adaptor

#99
20160298395
2016-10-13

QUICK CONNECT APPARATUS AND METHOD

#100
20160280343
2016-09-29

QUICK MOUNT DRYSUIT PORT SYSTEM

#101
20160230914
2016-08-11

Slip Connector with Alarm

#102
20160228972
2016-08-11

Thread connection for a torch system

#103
20160201301
2016-07-14

Water supply outlet cap

#104
20160195209
2016-07-07

Water supply outlet cap

#105
20160138741
2016-05-19

Coupling arrangement for pipelines

#106
20160061366
2016-03-03

Fluid line connection for an agricultural air seeder

#107
20160003392
2016-01-07

Quick connect apparatus for plumbing fixture

#108
20150338007
2015-11-26

Quick connect/disconnect adaptor system

#109
20150276110
2015-10-01

QUICK CONNECT COUPLING

#110
20150246188
2015-09-03

UNIT DOSE CAPSULES AND DRY POWDER INHALER

#111
20150219255
2015-08-06

Connection system

#112
20150097131
2015-04-09

Locking mechanism for unisex ball valve coupling

#113
20150048613
2015-02-19

Wall feed-through element for a fluid line and wall feed-through

#114
20150001844
2015-01-01

Female quick coupling element and quick coupling including such an element

#115
20140208999
2014-07-31

Fluid line connection for an agricultural air seeder

#116
20140125051
2014-05-08

Quick connector coupling

#117
20140096389
2014-04-10

Method of configuring a check valve

#118
20140001745
2014-01-02

Quick connect and quick disconnect system and method of manipulating a quick connect and quick disconnect system

#119
20130284457
2013-10-31

Quick connect coupling for cementing operations and the like

#120
20130273793
2013-10-17

Marine propulsion systems and intake air systems for marine propulsion systems

#121
20130221130
2013-08-29

Spraygun with built-in quick-fit connector

#122
20130207388
2013-08-15

Pipe coupling for a riser for the connection of an oil or gas well to an oil rig

#123
20130160880
2013-06-27

Connector designed to removably connect two fluid channels

#124
20130048133
2013-02-28

High-visibility locking levers for fire hose couplings

#125
20130009396
2013-01-10

Connection Between Two Pipe Parts

#126
20120312404
2012-12-13

Branch pipe

#127
20120299291
2012-11-29

Fluid joint

#128
20120256411
2012-10-11

Connector assembly

#129
20120192865
2012-08-02

Unit dose capsules and dry powder inhaler

#130
20120174923
2012-07-12

Unit dose capsules and dry powder inhaler

#131
20120146326
2012-06-14

DUCT CONNECTOR

#132
20120074146
2012-03-29

FEMALE CONNECTOR, MALE CONNECTOR, CONNECTION STRUCTURE, LIQUID-SENDING CIRCUIT, AND MEDICAL CONTAINER

#133
20120007007
2012-01-12

Locking mechanism for unisex ball valve coupling

#134
20120006419
2012-01-12

Fire hose coupling with directional indicator

#135
20110272058
2011-11-10

Dump chute adaptor and method

#136
20110193004
2011-08-11

FLUID VALVE

#137
20110148107
2011-06-23

BAYONET CONNECTION FOR COUPLING BODIES

#138
20110089263
2011-04-21

Locking pressurized fluid connection

#139
20110030825
2011-02-10

Quick coupling with safety catch device

#140
20110017318
2011-01-27

Fluid Filling and/or Extracting Connector and Assembly Comprising a Connector and a Tap

#141
20100297568
2010-11-25

Device for providing a gas/combustion air mixture for a gas burner

#142
20100230961
2010-09-16

One piece connection assembly

#143
20100133457
2010-06-03

Coaxial coupling with by-pass valve and coupling mechanism with bayonette form

#144
20100108783
2010-05-06

SPRAYGUN WITH BUILT-IN QUICK-FIT CONNECTOR

#145
20100052310
2010-03-04

Quick connect coupler with differential locking

#146
20100019488
2010-01-28

Hose Coupling with Flow Control

#147
20090236851
2009-09-24

COUPLING ARRANGEMENT

#148
20090223576
2009-09-10

Check valve

#149
20090184518
2009-07-23

Coupling apparatus

#150
20090045623
2009-02-19

Connector part for connecting a material supply device to a spray gun

#151
20080295279
2008-12-04

Tube coupler

#152
20080284108
2008-11-20

SEAL

#153
20080277935
2008-11-13

Quick attach and safe release arrangement for a port of a water pump

#154
20080274434
2008-11-06

Gas appliance

#155
20080217908
2008-09-11

Quick connector with bayonet locking

#156
20080185842
2008-08-07

Dual-mode connection device

#157
20080184517
2008-08-07

Vacuum Hose Attachment

#158
20080127970
2008-06-05

Unit dose capsules and dry powder inhaler

#159
20080093846
2008-04-24

Clampless tube connection with integrated sealing and locking feature

#160
20080053437
2008-03-06

Unit dose capsules and dry powder inhaler

#161
20070289650
2007-12-20

Fluid system coupling with handle actuating member

#162
20070284880
2007-12-13

Pipe Connection System

#163
20070278786
2007-12-06

Fluid Coupling System

#164
20070257487
2007-11-08

Exhaust system interlocking mechanism

#165
20070252386
2007-11-01

PRESSURE TANK FITTING ASSEMBLY

#166
20070236018
2007-10-11

Method for joining parts fabricated via selective laser sintering while maintaining proper alignment

#167
20070132234
2007-06-14

Coupling apparatus including release preventing structure

#168
20070132233
2007-06-14

Coupling apparatus including release preventing structure

#169
20070057509
2007-03-15

Vent lock

#170
20070039657
2007-02-22

Fluid system coupling with pin lock

#171
20070029516
2007-02-08

Self locking air nozzle

#172
20070001449
2007-01-04

Connection assembly used for connection between a fuel nozzle and a filling hose

#173
20060289823
2006-12-28

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

#174
20060289062
2006-12-28

Dry break valve assembly

#175
20060283336
2006-12-21

Shower head with quick release flexible handpiece

#176
20060278839
2006-12-14

Quick disconnect valve assembly

#177
20060273587
2006-12-07

Hose coupling with a locking mechanism

#178
20060244222
2006-11-02

Seal

#179
20060208487
2006-09-21

Symmetrical hose coupling

#180
20050139265
2005-06-30

Quick disconnect valve assembly

#181
20050127117
2005-06-16

Coupling enclosure apparatus for dispensing valve assembly

#182
20050108837
2005-05-26

Holder for a tool to be supplied with a fluid and a tool which is to be supplied with a fluid

#183
20050079010
2005-04-14

Mechanical connector

#184
20050067022
2005-03-31

Sexless coupling for fire hydrant-fire hose connection

#185
20050046186
2005-03-03

Coupling

#186
20050023825
2005-02-03

Coupling apparatus including release preventing structure

#187
18215141
2025-09-23

Secure coupling for irrigation conduit and related methods

#188
17519212
2023-02-07

Gas switching device