ClassID:

153172

F16L37/091 - 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 combined with automatic locking by means of a ring provided with teeth or fingers

Recent Application in this class:
#1
20260146695
2026-05-28

AUTOMATED NOZZLES FOR CRYOGENIC FLUID TRANSFER

#2
20260142446
2026-05-21

PUSH TO CONNECT WEATHERPROOF BOX WITH INTEGRAL RELEASE

#3
20260139779
2026-05-21

Push To Connect Coupling

#4
20260110379
2026-04-23

A TUBE CONNECTOR

#5
20260071703
2026-03-12

Quick connector and water pump with shower assembly

#6
20260043500
2026-02-12

TOOTHED GRIPPER WITH VARIABLE HEIGHT TEETH

#7
20250389359
2025-12-25

LOW CLEARANCE FLUID COUPLING

#8
20250354638
2025-11-20

COUPLING DEVICE FOR A TUBE

#9
20250337227
2025-10-30

PRESS FITTING FOR ELECTRICAL CONDUIT

#10
20250305611
2025-10-02

GRIPPING ELMENTS PRODUCED WITH CONTROLLED HARDNESS FOR SEALING AND RESTRAINT SYSTEMS USED IN FLUID PIPELINES

#11
20250283566
2025-09-11

FITTINGS FOR JOINING LENGTHS OF PIPE AND PIPE ASSEMBLY FORMED USING SAME

#12
20250257832
2025-08-14

COUPLING SYSTEM FOR ARTICULATING PIPE JOINT

#13
20250257831
2025-08-14

Clamping Ring for a Fitting and Fitting With a Clamping Ring

#14
20250052349
2025-02-13

GRIP RING

#15
20250052346
2025-02-13

Pipe Connector for Tightly Connecting Two Pipe Ends, Use Thereof and Method

#16
20250020250
2025-01-16

CONNECTION DEVICE FOR CONNECTING A FLUID LINE TO A CONNECTION BODY

#17
20240424279
2024-12-26

CONNECTOR COUPLING ASSEMBLY

#18
20240418306
2024-12-19

COUPLING NOZZLE FOR CRYOGENIC FLUID

#19
20240418305
2024-12-19

IMPROVED METHODS FOR JOINING LINED PIPES AND ASSOCIATED APPARATUS

#20
20240288101
2024-08-29

Sprung coupling

#21
20240230013
2024-07-11

Coupling for Connecting Two Sections of Piping with Water Trap

#22
20240200702
2024-06-20

WATER PIPE CONNECTION DEVICE

#23
20240159333
2024-05-16

Segmented grip ring for plastic pipe joint restraint systems

#24
20240157107
2024-05-16

Connector coupling assembly

#25
20240151336
2024-05-09

Quick connector and connection assembly having improved sealing-ring locking

#26
20240133506
2024-04-25

Coupling for connecting two sections of piping with water trap

#27
20240102592
2024-03-28

PRESS FITTING DEVICE, COMPONENTS AND METHOD

#28
20240026918
2024-01-25

End nut assembly

#29
20230392732
2023-12-07

Fluid connection assembly

#30
20230392731
2023-12-07

GRIP RING

#31
20230366495
2023-11-16

Push-fitting

#32
20230349496
2023-11-02

Quick coupler for automotive fluid transport tubing

#33
20230313928
2023-10-05

Connector coupling assembly

#34
20230288002
2023-09-14

Coupling nozzle for cryogenic fluid

#35
20230265953
2023-08-24

Push-to-connect fitting systems and methods

#36
20230246429
2023-08-03

Press fitting for electrical conduit

#37
20230213131
2023-07-06

Pipe Connector Gripper

#38
20230124586
2023-04-20

Pipe connector, gripper, and gripper teeth

#39
20230115967
2023-04-13

Captured element coupling

#40
20230090034
2023-03-23

Press fitting device, components and method

#41
20230080901
2023-03-16

Captured element coupling

#42
20230042410
2023-02-09

Connecting device with connection indicator

#43
20230041110
2023-02-09

Connection device with movable bushing

#44
20220390053
2022-12-08

Toothed washer

#45
20220381378
2022-12-01

Component with press fitting

#46
20220373117
2022-11-24

Process for producing gripping elements for sealing and restraint systems for fluid pipelines and pipe joints produced thereby

#47
20220364664
2022-11-17

Fluid line coupling

#48
20220325835
2022-10-13

Steel ring

#49
20220325512
2022-10-13

Drain trap assembly

#50
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

#51
20220316638
2022-10-06

PRESS-FITTING PIPE CONNECTOR WITH TOOTHED RING

#52
20220307636
2022-09-29

Sealing structure

#53
20220296946
2022-09-22

Push-to-connect-rotate-to-release sprinkler assembly and fitting

#54
20220268384
2022-08-25

Push-to-connect joint assembly and device

#55
20220243539
2022-08-04

Connector for wellbore tubulars

#56
20220186868
2022-06-16

Grip elements for pipes

#57
20220178479
2022-06-09

Pipe fitting with grip ring

#58
20220178475
2022-06-09

Pipe fitting with grip ring

#59
20220154863
2022-05-19

Corrugated tube fitting

#60
20220146029
2022-05-12

Coupling nozzle for cryogenic fluid

#61
20220120363
2022-04-21

Push and Crimp Coupler

#62
20220090717
2022-03-24

QUICK CONNECT DEVICE FOR RECREATIONAL AND INDUSTRIAL USES

#63
20220074529
2022-03-10

Quick connector

#64
20210404587
2021-12-30

Connector coupling assembly

#65
20210372551
2021-12-02

TUBING SYSTEM WITH REASSEMBLY PREVENTION MECHANISM

#66
20210356059
2021-11-18

Grip lock fire sprinkler connector

#67
20210351576
2021-11-11

Press fitting for electrical conduit

#68
20210320484
2021-10-14

Push to Connect Weatherproof Box with Integral Release

#69
20210273425
2021-09-02

Cable securing device

#70
20210262599
2021-08-26

Manifold

#71
20210207750
2021-07-08

Coupler

#72
20210199221
2021-07-01

Tube connector

#73
20210180732
2021-06-17

Split ring coupling and fitting

#74
20210172550
2021-06-10

Boom air seal

#75
20210123550
2021-04-29

Fitting Device, Arrangement and Method

#76
20210088164
2021-03-25

PUSH CONNECTOR WITH CONNECTION CONFIRMATION FEEDBACK

#77
20210071793
2021-03-11

Fluid connector

#78
20210062948
2021-03-04

Push To Connect Coupling

#79
20210054954
2021-02-25

Sprung coupling

#80
20210033233
2021-02-04

Connecting device for piping

#81
20210033231
2021-02-04

Push-to-connect-rotate-to-release sprinkler assembly and fitting with helical gripper ring

#82
20210003239
2021-01-07

Quick pipe connector

#83
20210003237
2021-01-07

System, method and apparatus for ramped retainer for a pipe

#84
20200347976
2020-11-05

Connector

#85
20200330807
2020-10-22

Push-to-connect-rotate-to-release sprinkler assembly and fitting

#86
20200300395
2020-09-24

Press fitting assembly

#87
20200292116
2020-09-17

Pipe connector

#88
20200256487
2020-08-13

Pipe connectors and systems

#89
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

#90
20200208762
2020-07-02

Sprung coupling

#91
20200208594
2020-07-02

Fluid connector with full insertion assurance cap disconnect tool

#92
20200109805
2020-04-09

Anti-dropping steel ring used in press-fitting type pipe fitting and fixing sealing device

#93
20200109801
2020-04-09

Self-aligning pipe coupling

#94
20200096146
2020-03-26

Fitting Device, Arrangement and Method

#95
20200096145
2020-03-26

Pipe fitting joint assembly

#96
20200032938
2020-01-30

Pipe coupling

#97
20200011465
2020-01-09

Coupling having tabbed retainer

#98
20190331274
2019-10-31

Sealing and restraining gasket for use in plastic pipelines

#99
20190331265
2019-10-31

Split Ring Coupling and Fitting

#100
20190301655
2019-10-03

Method of constructing water hammer arrestor

#101
20190285214
2019-09-19

SOLENOID VALVE QUICK-CONNECTING STRUCTURE

#102
20190271424
2019-09-05

Sprung coupling

#103
20190271423
2019-09-05

Sprung coupling

#104
20190234547
2019-08-01

Dual-latch quick connector

#105
20190234545
2019-08-01

Anti-rotational push to connect fitting

#106
20190219207
2019-07-18

Push To Connect Coupling

#107
20190186664
2019-06-20

HOSE COUPLING ASSEMBLY

#108
20190162343
2019-05-30

Pipeline Connecting Device for Quick Installation and Disassembly and Self-Locking and Self-Sealing

#109
20190134763
2019-05-09

Method for producing a curved tubular connection element

#110
20190107234
2019-04-11

Anti-tamper permanent quick connect coupling device

#111
20190067922
2019-02-28

Press fitting for electrical conduit

#112
20190063653
2019-02-28

RETENTION SYSTEM FOR A HOSE RECEIVER

#113
20190040983
2019-02-07

Coupling body for a plug connection of pipelines, in particular plastic pipelines

#114
20190024827
2019-01-24

Press fitting for pipes having a check ring

#115
20180372253
2018-12-27

Tooth disk having multi-web holding teeth

#116
20180320808
2018-11-08

QUICK-ACTING, INVIOLABLE AND LEAKTIGHT FASTENING SYSTEM WITH RIBBED OUTER SEAL

#117
20180299053
2018-10-18

Coupler

#118
20180299052
2018-10-18

Coupler

#119
20180274706
2018-09-27

Male push lock pipe connection system

#120
20180266604
2018-09-20

Bathroom quick coupling

#121
20180266603
2018-09-20

QUICK-FIT CONNECTOR FOR PNEUMATIC EQUIPMENT

#122
20180252344
2018-09-06

MECHANICAL PIPE COUPLING ASSEMBLY WITHOUT ADHESIVE OR BONDING AGENT

#123
20180231165
2018-08-16

System, method and apparatus for ramped retainer for a pipe

#124
20180172193
2018-06-21

Automobile air hose assembly with a one-way quick snap coupling

#125
20180112804
2018-04-26

Pipe coupling

#126
20180106400
2018-04-19

Connecting device having a movable seal for chamfered tube

#127
20180031161
2018-02-01

Pipe connectors and systems

#128
20180023740
2018-01-25

Tool-free metal conduit connector and related methods

#129
20180017196
2018-01-18

Pipe fittings

#130
20170328507
2017-11-16

Fitting having tabbed retainer and observation apertures

#131
20170328500
2017-11-16

Sprung coupling

#132
20170321834
2017-11-09

Pipe ram joint

#133
20170292644
2017-10-12

Connecting assembly for a corrugated tube

#134
20170276276
2017-09-28

Duct coupling

#135
20170205014
2017-07-20

Sewer pipe fitting assembly

#136
20170205003
2017-07-20

Locking pipe joint assembly, device and method

#137
20170191593
2017-07-06

Connection device and method for chamfered tube

#138
20170152972
2017-06-01

Coupling assembly

#139
20170122469
2017-05-04

Press fitting and joint assembly with such a press fitting

#140
20170082229
2017-03-23

Arrangement for producing a pipe connection and holding element for such an arrangement

#141
20170009921
2017-01-12

Quick-connector

#142
20170002962
2017-01-05

Coupling for connecting pipe ends and bridging for use in a coupling

#143
20170002960
2017-01-05

Split ring coupling and fitting

#144
20160327196
2016-11-10

Pipe connection fitting

#145
20160281894
2016-09-29

Coupling device

#146
20160273695
2016-09-22

Modular push-to-connect assembly

#147
20160273694
2016-09-22

Collet connection system for a subsea structure

#148
20160245440
2016-08-25

Tube seal assembly

#149
20160245436
2016-08-25

Secured in place gasket for sealing plastic pipelines, method of manufacture and method of installation

#150
20160230911
2016-08-11

Pipe connectors and systems

#151
20160169431
2016-06-16

Tubular pipe fitting insert with interior reinforcement ribs

#152
20160161038
2016-06-09

Rotation locking push-to-connect fitting device, system and method

#153
20160153594
2016-06-02

Air grommet connector

#154
20160131289
2016-05-12

Telescoping pipe coupling

#155
20160097477
2016-04-07

Pipe coupling

#156
20160033065
2016-02-04

Tube coupling

#157
20160003394
2016-01-07

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

#158
20150345683
2015-12-03

Push-to-connect fitting integrated packing arrangement, device and methods

#159
20150337998
2015-11-26

Connecting device for media lines

#160
20150323112
2015-11-12

Push-Fit Pipe Couplings

#161
20150308595
2015-10-29

Connector assembly for connecting pipes

#162
20150285420
2015-10-08

Coupling and joint for fixedly and sealingly securing components to one another

#163
20150267849
2015-09-24

Plug-in coupling element

#164
20150240980
2015-08-27

Clam shell push-to-connect assembly

#165
20150240979
2015-08-27

Construction system for a connection arrangement for media lines

#166
20150239036
2015-08-27

Integral push fitting and valve with integral push fitting and method of manufacturing same

#167
20150211668
2015-07-30

Tube fitting

#168
20150184780
2015-07-02

Cross platform grip ring release device and method

#169
20150159799
2015-06-11

Pipe joint

#170
20150159794
2015-06-11

Push-to-connect fitting

#171
20150159792
2015-06-11

Self-locking push-to-connect insert

#172
20150152989
2015-06-04

Cartridge type quick coupling device

#173
20150152986
2015-06-04

Pipe connectors and systems

#174
20150152985
2015-06-04

Connector element

#175
20150145249
2015-05-28

Pipe joint

#176
20150145248
2015-05-28

Connection device for pipe lines

#177
20150137515
2015-05-21

Plug-in coupling for a pipe, in particular for water conduits

#178
20150076816
2015-03-19

TUBE COUPLING

#179
20140374995
2014-12-25

Secured in place gasket for sealing plastic pipelines, method of manufacture and method of installation

#180
20140353967
2014-12-04

Sealed-coupling device without a retention area

#181
20140312616
2014-10-23

Mechanical pipe coupling assembly without adhesive or bonding agent

#182
20140232110
2014-08-21

Pipe connector assembly and method for connecting a pipe using the same

#183
20140197632
2014-07-17

Pipe coupling

#184
20140183858
2014-07-03

Pipe joint

#185
20140182709
2014-07-03

Integral push fitting and valve with integral push fitting and method of manufacturing same

#186
20140152002
2014-06-05

Push-to-connect joint assembly, device and method

#187
20140131995
2014-05-15

Connector

#188
20140033507
2014-02-06

Pipe coupling

#189
20140021719
2014-01-23

Press fitting and joint assembly with such a press fitting

#190
20140021717
2014-01-23

PIPE CONNECTOR ASSEMBLY

#191
20130240048
2013-09-19

Device for coupling a tube to a housing

#192
20130187380
2013-07-25

Push-on Tubing Coupler with Triple Seal and Adapter

#193
20130146159
2013-06-13

FLOW CONTROLLABLE CONNECTOR FOR HOME APPLIANCES

#194
20130142492
2013-06-06

Device for connecting together tubes for protecting an optical fiber cable, a segment of an optical transmission circuit including such a device, and a sealing element for such a device

#195
20130119655
2013-05-16

Coupling and joint for fixedly and sealingly securing components to one another

#196
20130106104
2013-05-02

Device for coupling a tube to a circuit element, method for mounting an anchoring ring on a body of such a coupling device and method for dismantling such a device

#197
20130087725
2013-04-11

Electromagnetic water supply valve

#198
20130062877
2013-03-14

Joint and spacer used therein

#199
20130020797
2013-01-24

Fittings for sealed retention to end portions of pipes and related methods

#200
20120306118
2012-12-06

JOINT AND METHOD FOR MANUFACTURING JOINT

#201
20120235403
2012-09-20

Quick-fit connection

#202
20120217738
2012-08-30

Pipe fittings with insert retaining seals and related methods

#203
20120200081
2012-08-09

CONNECTOR APPARATUS

#204
20120170973
2012-07-05

Insertion end fitting for a coupling or the like requiring a low push-together force

#205
20120169039
2012-07-05

Push connect joint assembly, system and method

#206
20120126526
2012-05-24

Quick-connect fluid coupling

#207
20120074689
2012-03-29

Tool-free metal conduit connector and related methods

#208
20120038153
2012-02-16

Coupling unit

#209
20120001414
2012-01-05

Fitting for thick-walled pipes and method for its production

#210
20110309611
2011-12-22

Push-in fitting for electrical metallic tubing with enhanced sealing and continuity

#211
20110309609
2011-12-22

Fluid coupling having a moving seal

#212
20110304137
2011-12-15

Conduit coupling apparatus and method

#213
20110156383
2011-06-30

CONNECTION PIECE

#214
20110148108
2011-06-23

COUPLING UNIT

#215
20110088239
2011-04-21

Push lock pipe connection system

#216
20110012339
2011-01-20

Push lock pipe connection system and disconnection tool

#217
20100314869
2010-12-16

Pipe connector

#218
20100314863
2010-12-16

ONE TOUCH PIPE JOINT

#219
20100253065
2010-10-07

Secure coupled tube assembly

#220
20100219630
2010-09-02

COUPLING ASSEMBLY FOR FLUID LINES

#221
20100194104
2010-08-05

Male push lock pipe connection system

#222
20100194102
2010-08-05

PUSH-IN ADAPTOR

#223
20100194098
2010-08-05

Push lock pipe connection system

#224
20100187811
2010-07-29

ROTATABLE COUPLING

#225
20100176587
2010-07-15

Pipe connector

#226
20100164222
2010-07-01

Externally sealing connector

#227
20100133810
2010-06-03

DEVICE FOR CONNECTING TO DUCTS OF VARIOUS SIZES AND SHAPES

#228
20100039210
2010-02-18

Quick connect fittings

#229
20090278346
2009-11-12

CONNECTOR

#230
20090243288
2009-10-01

Tube coupling

#231
20090194990
2009-08-06

TOOTHED GRIPPER MEMBERS, PLUMBING CONNECTION ASSEMBLIES AND METHODS FOR FORMING THE SAME

#232
20090140514
2009-06-04

Tube couplings

#233
20090039646
2009-02-12

Coupling Between Two Tubes

#234
20090032170
2009-02-05

APPARATUS, TOOLS AND METHODS FOR CONNECTING NON-SOLVENT WELDABLE TUBING TO SOLVENT WELDABLE TUBING AND FITTINGS

#235
20090021001
2009-01-22

Coupling device for circular pipes

#236
20090001712
2009-01-01

PIPE FITTING ARRANGEMENT AND METHOD FOR FORMING THE SAME

#237
20080309081
2008-12-18

Coupling between two bodies

#238
20080197622
2008-08-21

Fitting and joining arrangmenent having a fitting

#239
20080149873
2008-06-26

Valve with push-fit connection

#240
20080143106
2008-06-19

Tube coupling

#241
20080100062
2008-05-01

Coupling Device

#242
20070290501
2007-12-20

Pipe coupling cartridge

#243
20070241562
2007-10-18

Tube coupling

#244
20070232147
2007-10-04

Plug-type connector

#245
20070194568
2007-08-23

Tube couplings

#246
20070108764
2007-05-17

Fast-fit coupling for a fluid circulation system

#247
20070108761
2007-05-17

Quick pipe connector

#248
20070001454
2007-01-04

Plug-in coupling

#249
20070001449
2007-01-04

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

#250
20060284414
2006-12-21

Quick connect feature for a fluid connection

#251
20060284133
2006-12-21

Quick stop supply valve

#252
20060265852
2006-11-30

Triple-expanded mechanical pipe coupling derived from a standard fitting

#253
20060244258
2006-11-02

Quick coupling

#254
20060232067
2006-10-19

Pipe clamping device

#255
20060214422
2006-09-28

Pipe coupling retainer with axial support members

#256
20060125236
2006-06-15

Retainer with inward projections

#257
20060125235
2006-06-15

Fluid coupling with dual function retention ring

#258
20060108802
2006-05-25

Quick coupling

#259
20060012170
2006-01-19

Fitter clamp for a pipe

#260
20050285395
2005-12-29

Multi-diameter tube fitting

#261
20050275221
2005-12-15

Connector

#262
20050264009
2005-12-01

Collets for tube couplings

#263
20050248152
2005-11-10

Pressed-connection arrangement

#264
20050184519
2005-08-25

Tube coupling

#265
20050146133
2005-07-07

Mechanical pipe coupling derived from a standard fitting

#266
20050104367
2005-05-19

Attachment ring for a tube-connecting device

#267
20050077723
2005-04-14

Pipe fitting for liquid or steam

#268
20050035597
2005-02-17

Quick-release coupling for pipes

#269
18818065
2026-01-20

Fitting

#270
18795272
2026-02-10

Toothed gripper with variable height teeth

#271
18773619
2025-10-21

Quick pipe connector

#272
18752421
2025-12-23

Low clearance fluid coupling

#273
15001986
2017-02-07

Locking pipe joint assembly, device and method

#274
14291509
2015-06-30

Push-to-connect fitting integrated packing arrangement, device and methods

#275
14144925
2014-09-30

Cross platform grip ring release device and method

#276
13134805
2015-07-21

Quick coupling pipe fitting system

#277
11969360
2017-04-04

Combination mechanical/fusion pipe fitting with push connect coupling arrangement