ClassID:

153197

F16L37/138 - CPC Classification

Classification description:

Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using an axially movable sleeve

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

Chromatography System and Couplings Therefor

#2
20260009486
2026-01-08

FLUID COUPLINGS

#3
20250305612
2025-10-02

SYSTEMS AND METHODS FOR CONVEYING GAS AND CONNECTION ASSEMBLIES FOR THE SAME

#4
20250177884
2025-06-05

Chromatography System and Couplings Therefor

#5
20250146609
2025-05-08

TUBE JOINT

#6
20240035604
2024-02-01

Fire protection sprinkler having a push-in connection

#7
20230400134
2023-12-14

Plumbing fitting

#8
20230184359
2023-06-15

FLUID COUPLINGS

#9
20230160512
2023-05-25

Fire protection sprinkler with a push-in connection

#10
20230137312
2023-05-04

Single-handedly operated inflatable air nozzle connector

#11
20230102761
2023-03-30

Chromatography System and Couplings Therefor

#12
20220341529
2022-10-27

Coupler cap and quick coupler having the same

#13
20220316193
2022-10-06

Automatic faucet with remote activation

#14
20220290787
2022-09-15

Female element of a quick connector, and quick connector comprising such a female element and an associated male element

#15
20220204191
2022-06-30

Connection system and connecting method for transferring fluids between two vehicles or between a vehicle and a fixed structure

#16
20220184336
2022-06-16

Apparatus for use in a respiratory support system

#17
20220065376
2022-03-03

Fluid couplings

#18
20220065374
2022-03-03

Adapter to connect water pipe and high-pressure spray gun

#19
20210140573
2021-05-13

Gardening fluid connection device

#20
20210131596
2021-05-06

Locking connector

#21
20210116062
2021-04-22

Fire protection sprinkler with a push-in connection

#22
20210062941
2021-03-04

Duct coupler for use with ducts in a wet joint of segmental concrete construction

#23
20200292116
2020-09-17

Pipe connector

#24
20200278065
2020-09-03

Internal thread grip fluid connector

#25
20200271260
2020-08-27

Sliding sleeve, sliding sleeve connection and method for producing a sliding sleeve connection

#26
20200216038
2020-07-09

Wiper assembly

#27
20200206653
2020-07-02

Chromatography system and couplings therefor

#28
20200139277
2020-05-07

Drain assembly for a housing of a filter assembly

#29
20200041056
2020-02-06

Quick-disassembly nipple connector structure

#30
20200041055
2020-02-06

Quick-disassembly nipple connector structure

#31
20190331275
2019-10-31

Fluid connector with full insertion assurance cap with secondary latches

#32
20190316717
2019-10-17

FLUID CIRCUIT COMPRISING A FIRST PIPE, A SECOND PIPE AND A COUPLING, AND COUPLING METHOD

#33
20190285216
2019-09-19

Gardening fluid connection device

#34
20190234548
2019-08-01

Double cam levers and safety lock for cam lock fitting

#35
20190178428
2019-06-13

Wedge clamp quick release connector

#36
20190128455
2019-05-02

Diesel fuel cross-drop prevention kit

#37
20190093810
2019-03-28

Coupling member

#38
20190063656
2019-02-28

Fluid connector with full insertion assurance cap with secondary latches

#39
20190063652
2019-02-28

Connector for a fluid handling system

#40
20190032830
2019-01-31

Double cam levers and safety lock for cam lock fitting

#41
20180372254
2018-12-27

High pressure remote connector with self-aligning geometry

#42
20180356016
2018-12-13

Hydraulic tube connector for vehicle

#43
20180355871
2018-12-13

Flangeless coupling having an embedded ring segment joining components of a submersible pump unit

#44
20180311457
2018-11-01

Apparatus for use in a respiratory support system

#45
20180299065
2018-10-18

Coupler of grease gun

#46
20180292037
2018-10-11

Connection apparatus for telescopic joint

#47
20180274707
2018-09-27

Valve connector

#48
20180274705
2018-09-27

Connector

#49
20180231166
2018-08-16

Tube fitting

#50
20180216770
2018-08-02

QUICK CONNECTOR WITH PRESSURE DIFFERENTIAL ZONES

#51
20180216765
2018-08-02

Quick connect fluid connector with temperature sensing

#52
20180180208
2018-06-28

Female coupling element, to be coupled with a complementary male element and coupling comprising such a female element

#53
20180149294
2018-05-31

Releasable, threadless conduit connector for liquid manifold

#54
20180142822
2018-05-24

Device for hose fitting

#55
20180135788
2018-05-17

Quick disconnect coupling for conduit

#56
20180119859
2018-05-03

Quick connector

#57
20180038539
2018-02-08

Internal thread grip fluid connector

#58
20170219146
2017-08-03

Collet securing device for joining two fluid lines and providing lateral support at the connection of the two fluid lines

#59
20170219142
2017-08-03

Sanitary retainer

#60
20170205010
2017-07-20

Connector Structure that is Distinguished Quickly

#61
20170198848
2017-07-13

Coupling assembly with vibration lock

#62
20170191595
2017-07-06

Fluid coupling and method

#63
20170184241
2017-06-29

Socket element for a quick connector and quick connector comprising such a socket element

#64
20170122472
2017-05-04

ADAPTER COUPLING

#65
20170114937
2017-04-27

Collet securing device for joining two fluid lines and providing lateral support at the connection of the two fluid lines

#66
20170114935
2017-04-27

FLUID CONNECTOR WITH FULL INSERTION ASSURANCE CAP DISCONNECT TOOL

#67
20170016564
2017-01-19

Hose connector system for an agricultural spreader machine

#68
20170009923
2017-01-12

Pipe Coupling

#69
20160305590
2016-10-20

Quick connection coupling

#70
20160273693
2016-09-22

Quick connector for hydraulic hose coupling

#71
20160169431
2016-06-16

Tubular pipe fitting insert with interior reinforcement ribs

#72
20160146387
2016-05-26

Quick connector assembly

#73
20160061364
2016-03-03

Releasable, threadless conduit connector for liquid manifold

#74
20160059367
2016-03-03

Releasable, threadless conduit connector for liquid manifold

#75
20160039538
2016-02-11

Hydrant coupler with articulating handle assembly

#76
20150376993
2015-12-31

Coiled tubing connector for downhole tools

#77
20150345684
2015-12-03

Fluid connector with full insertion assurance cap with secondary latches

#78
20150198278
2015-07-16

Tube fitting

#79
20150198273
2015-07-16

Tube fitting

#80
20150167874
2015-06-18

Clamping joint for pipes

#81
20150159792
2015-06-11

Self-locking push-to-connect insert

#82
20150115604
2015-04-30

Systems and methods of coupling pipes

#83
20150115184
2015-04-30

Connector for connecting hose coupler to drain knob

#84
20150091298
2015-04-02

Coupling

#85
20150069755
2015-03-12

High pressure remote connector with self-aligning geometry

#86
20150060578
2015-03-05

Quick disconnect devices for spray nozzles

#87
20140264118
2014-09-18

Female quick-connect coupling element, and a quick-connect coupling incorporating such an element

#88
20140232109
2014-08-21

Connection assembly

#89
20140197629
2014-07-17

Quick connector

#90
20140054481
2014-02-27

Compressed air coupling

#91
20140035281
2014-02-06

CONNECTION ASSEMBLY

#92
20140021714
2014-01-23

Connector assembly, male connector, and female connector

#93
20130234431
2013-09-12

Marine riser assembly

#94
20130174928
2013-07-11

Quick connect fluid connectors with roller mechanism actuator

#95
20130133769
2013-05-30

Joint structure for an air nozzle

#96
20130093184
2013-04-18

Tool for coupling fluid lines

#97
20130049361
2013-02-28

PIPE CONNECTOR

#98
20130025731
2013-01-31

COUPLING

#99
20120267890
2012-10-25

Grease coupler

#100
20120228871
2012-09-13

Quick connection coupling

#101
20120217743
2012-08-30

PIPE COUPLING ASSEMBLY WITH SLEEVE LOCKING TABS AND ASSOCIATED METHODS

#102
20120217738
2012-08-30

Pipe fittings with insert retaining seals and related methods

#103
20120153612
2012-06-21

QUICK-RELEASE COUPLING FOR FLUID LINES

#104
20120119490
2012-05-17

Marine riser assembly

#105
20120086202
2012-04-12

Connecting device with locking by threaded claws and connector comprising such a device

#106
20110291404
2011-12-01

Quick connector for fluid lines

#107
20110289761
2011-12-01

Force-transmitting element, sliding sleeve, arrangement and method for producing a non-detachable workpiece connection

#108
20110169262
2011-07-14

Two-part composite fitting

#109
20110121561
2011-05-26

PIPE CONNECTOR

#110
20110109084
2011-05-12

PLASTIC SLIDING SLEEVE AND CONNECTING FITTING HAVING SUCH A SLIDING SLEEVE

#111
20110095529
2011-04-28

COUPLING

#112
20110030825
2011-02-10

Quick coupling with safety catch device

#113
20110025047
2011-02-03

End fitting for holding a high pressure capillary tube

#114
20110012346
2011-01-20

Coupler devices with spring-loaded coupler sleeves

#115
20110012345
2011-01-20

Pivot rings for coupler devices and coupler devices comprising the same

#116
20110012344
2011-01-20

Wear rings for coupler devices and coupler devices comprising the same

#117
20110011475
2011-01-20

Recock handle assemblies for coupler devices and coupler devices comprising the same

#118
20110006514
2011-01-13

CONNECTING AND FIXING STRUCTURE FOR A SHOWER HEAD

#119
20100295292
2010-11-25

Water hose connector

#120
20100253076
2010-10-07

Marine riser assembly

#121
20100253075
2010-10-07

Sanitary retainer

#122
20100244433
2010-09-30

Connector

#123
20100207387
2010-08-19

Hose fitting

#124
20100066079
2010-03-18

Safety coupling

#125
20100065132
2010-03-18

Aviation fueling hydrant coupler with internal actuating collar lock

#126
20090263186
2009-10-22

Permanent joint comprised of a fitting, a sleeve and a pipe, as well as fitting for fluid conduits and a sleeve for fluid conduit pipes

#127
20090231066
2009-09-17

Transmission element for workpiece connections to be axially compressed and configuration for producing a nondetachable connection

#128
20090139551
2009-06-04

Window cleaning system for a motor vehicle

#129
20090091124
2009-04-09

Female coupling element and a coupling including such an element

#130
20090001719
2009-01-01

Electrically driven connector

#131
20090001714
2009-01-01

Modular connector

#132
20080185837
2008-08-07

Quick connect connector with tolerance accommodation

#133
20080157525
2008-07-03

Pipe joint unit and method of manufacturing the same

#134
20080103476
2008-05-01

MEDICAL TUBING CONNECTOR ASSEMBLY INCORPORATING STRAIN RELIEF SLEEVE

#135
20080061554
2008-03-13

Connector Part

#136
20080001404
2008-01-03

COUPLING

#137
20070252387
2007-11-01

Marine riser assembly

#138
20070187950
2007-08-16

Beaded tube quick disconnect device

#139
20070016166
2007-01-18

Catheter attachment collet for a central port

#140
20060219970
2006-10-05

Quick-connect coupling for a gas appliance

#141
20050253389
2005-11-17

Medical tubing connector assembly incorporating strain relief sleeve

#142
20050006896
2005-01-13

Chuck and tube joint

#143
20050006894
2005-01-13

Spray

#144
14335837
2017-03-07

Nurse tank coupling with locking collar

#145
14204434
2017-05-23

Tube connection assembly