ClassID:

152945

F16L19/0206 - CPC Classification

Classification description:

Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts; Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the collar not being integral with the pipe

Recent Application in this class:
#1
20260139770
2026-05-21

Pipe Joint Assemblies

#2
20250389361
2025-12-25

PIPELINE CONNECTING MODULE AND LIQUID COOLING SYSTEM

#3
20250383038
2025-12-18

FLUID-TIGHT HOSE CONNECTION

#4
20250369541
2025-12-04

DUAL SEALING FOR HIGH PRESSURE GASEOUS FUELS

#5
20250341500
2025-11-06

COLLET, DEVICES, AND METHODS FOR INSTALLATION OF FLUIDIC CONDUITS TO FLUIDIC COMPONENTS

#6
20250334214
2025-10-30

CLOSURE ADAPTER

#7
20250305601
2025-10-02

CHAMFER RING FOR PIPE COUPLING

#8
20250164045
2025-05-22

FLEXIBLE GAS LINE RISER

#9
20250137481
2025-05-01

METER SWIVEL NUT

#10
20250075832
2025-03-06

MINING HOSE CONNECTING DEVICE AND METHOD

#11
20250020249
2025-01-16

COMPOSITE PIPE END-FITTING

#12
20250012386
2025-01-09

COMPOSITE PIPE END-FITTING

#13
20240369163
2024-11-07

ROLL END AIR FITTING ADAPTER AND METHOD OF USING SAME

#14
20240200698
2024-06-20

PIPE JOINT

#15
20240183469
2024-06-06

VALVE

#16
20240175523
2024-05-30

FLUID FITTING

#17
20240167602
2024-05-23

CONNECTOR COUPLING ASSEMBLY

#18
20240093811
2024-03-21

Coupling assembly and method for retrofitting a pipe

#19
20240052957
2024-02-15

NUT FOR TUBE CONNECTOR ASSEMBLY

#20
20240027408
2024-01-25

FITTING FOR FLUIDIC COUPLING IN A CHROMATOGRAPHY SYSTEM

#21
20230358348
2023-11-09

PIPE JOINT DEVICE

#22
20230323985
2023-10-12

Push-fit pipe fitting with a visual indicator

#23
20230279975
2023-09-07

Joint unit and method for assembling joint unit

#24
20230132466
2023-05-04

HOSE JOINT

#25
20230127426
2023-04-27

CONNECTING DEVICE FOR A SEALED EXCHANGE OF FLUID BETWEEN TWO COMPONENTS, CONNECTING SYSTEM AND BRAKE SYSTEM

#26
20230010738
2023-01-12

Flowline quick connector assembly

#27
20230008143
2023-01-12

Flowline quick connector assembly

#28
20220403959
2022-12-22

Fitting, pipe connecting structure and liquid chromatograph

#29
20220381381
2022-12-01

Fluid fitting

#30
20220356971
2022-11-10

JOINT PIPE

#31
20220316624
2022-10-06

Riser support assembly

#32
20220290785
2022-09-15

HOSE JOINT SLEEVE AND HOSE JOINT WITH THE SAME

#33
20220235887
2022-07-28

SYSTEM FOR CONNECTING TUBING

#34
20220235886
2022-07-28

CONNECTOR CAPABLE OF STABLY CONNECTING FLUID PIPELINE

#35
20220186863
2022-06-16

Connecting device for corrugated pipe and coupling method thereof

#36
20220159874
2022-05-19

Anti-leakage liquid cooling connectors

#37
20220136627
2022-05-05

Compression fitting with visual torque indicator

#38
20220057032
2022-02-24

FLUIDIC CONNECTOR ASSEMBLY FOR QUICK CONNECT/DISCONNECT

#39
20220042626
2022-02-10

Pipeline connection device and pipeline adapting assembly

#40
20210324980
2021-10-21

Joint restraint device

#41
20210317931
2021-10-14

HAMMERLESS AND TORQUELESS UNION CONNECTION AND METHOD

#42
20210301954
2021-09-30

System, method and apparatus for in-line removable pipe assembly

#43
20210301953
2021-09-30

Hammerless and torqueless union connection

#44
20210215648
2021-07-15

Capillary tube connection

#45
20210215281
2021-07-15

MOUNTING APPARATUS

#46
20210190243
2021-06-24

COLLET, DEVICES, AND METHODS FOR INSTALLATION OF FLUIDIC CONDUITS TO FLUIDIC COMPONENTS

#47
20210180717
2021-06-17

Threaded type valve connector

#48
20210148494
2021-05-20

Shrouded coupling

#49
20210138375
2021-05-13

Modular filtration system and method

#50
20210131590
2021-05-06

Coupling nut visible tightness indicator

#51
20210123547
2021-04-29

Adjustable riser support assembly

#52
20210048416
2021-02-18

Fitting for fluidic coupling in a chromatography system

#53
20200292108
2020-09-17

Face-Sealing Fluidic Connection System

#54
20200158264
2020-05-21

Adjustable riser support assembly

#55
20190301641
2019-10-03

Subsea flange tool

#56
20190249805
2019-08-15

Ultrahigh pressure fitting with recessed sealing surface and related technology

#57
20190226615
2019-07-25

Joint Assembly

#58
20190178426
2019-06-13

Low carryover high pressure fluidic fitting

#59
20190162337
2019-05-30

PIPE JOINT

#60
20190137015
2019-05-09

Zero dead volume fitting assembly

#61
20190120411
2019-04-25

Connecting device for corrugated pipe and coupling method thereof

#62
20190107231
2019-04-11

Fluid fitting

#63
20180306354
2018-10-25

Joint restraint device

#64
20180231166
2018-08-16

Tube fitting

#65
20180231159
2018-08-16

Pipe connector structure

#66
20180224030
2018-08-09

System, method and apparatus for in-line removable pipe assembly

#67
20180216762
2018-08-02

Fitting for medical piping system

#68
20180209572
2018-07-26

Coupling apparatus for coiled tubings of different diameters, installing method for coupling apparatus, and installing method for tubings of different diameters using coupling apparatus

#69
20180163904
2018-06-14

High pressure flowline union

#70
20180163903
2018-06-14

Multi-piece flow through connector

#71
20180142814
2018-05-24

SEAL AND PIPE CARRIER UNIT FOR A SUBSEA PIPE CONNECTION

#72
20180119853
2018-05-03

CONNECTION METHODS AND SYSTEMS

#73
20180100837
2018-04-12

Low dead-volume connector for fluid chromatography

#74
20180094755
2018-04-05

Clamping system with controlled angular positioning for connecting together two tubes

#75
20180094753
2018-04-05

Fluidic fitting with integral face seal

#76
20180038525
2018-02-08

CONNECTING ARRANGEMENT FOR PIPES

#77
20170314336
2017-11-02

Enhanced union connection

#78
20170276275
2017-09-28

Fluidic connector assembly for quick connect/disconnect

#79
20170276269
2017-09-28

PIPE CONNECTOR

#80
20170268704
2017-09-21

Manifold connection assembly

#81
20170254452
2017-09-07

Zero dead volume fitting assembly

#82
20170184226
2017-06-29

Adapter coupling

#83
20170146171
2017-05-25

Coupling seal having ramp surfaces

#84
20170146145
2017-05-25

Valve and valve coupling with reverse tapered shafts

#85
20170146143
2017-05-25

Valve coupling having centering support projections

#86
20170122918
2017-05-04

Capillary tube connection

#87
20170122470
2017-05-04

Joint restraint devices and methods of using same

#88
20170082225
2017-03-23

Connector

#89
20170051854
2017-02-23

Pipe coupling having double-threaded tightening fastener and associated methods

#90
20170051852
2017-02-23

Fluid connector with annular groove and seal

#91
20160377199
2016-12-29

UNDERWATER PIPE ASSEMBLY AND METHOD FOR ASSEMBLING UNDERWATER PIPES

#92
20160348814
2016-12-01

Joint unit

#93
20160348813
2016-12-01

Ring for fastening a pipe to a tubular body and connection means comprising such a ring

#94
20160305586
2016-10-20

Manifold connection assembly

#95
20160281890
2016-09-29

Transition gasket

#96
20160230910
2016-08-11

Thermally compliant fitting for high temperature tube applications

#97
20160223108
2016-08-04

Low carryover high pressure fluidic fitting

#98
20160145551
2016-05-26

Pick up tube assembly useful for fluid transfer including liquid transfer in alcoholic beverage brewing operations

#99
20160116088
2016-04-28

Face-sealing fluidic connection system

#100
20160102789
2016-04-14

Tube-fitting-assembly ferrule

#101
20160061370
2016-03-03

Quick-fit hydraulic or hydrodynamic coupling for pressurized fluids

#102
20150369403
2015-12-24

Fluidic coupling seal

#103
20150354739
2015-12-10

Field serviceable conduit receivers

#104
20150328606
2015-11-19

Shaft spacing flange for a kneading machine

#105
20150308593
2015-10-29

Plumbing fitting adapter

#106
20150300542
2015-10-22

High pressure fluidic connection assemblies

#107
20150152985
2015-06-04

Connector element

#108
20150060082
2015-03-05

Apparatus for improving flanged connections

#109
20150059911
2015-03-05

Metal-containing polymeric reinforced pipe, method for manufacturing same and pipeline produced using said pipe

#110
20150021910
2015-01-22

Split-ring gland pipe coupling with corrugated armor

#111
20140217724
2014-08-07

Connection methods and systems

#112
20140110933
2014-04-24

Low carryover high pressure fluidic fitting

#113
20140110905
2014-04-24

SEALING STRUCTURE FOR COUPLING PORTION OF FUEL PIPE AND FUEL RAIL FOR VEHICLE

#114
20140090478
2014-04-03

High pressure fluid coupling

#115
20130277960
2013-10-24

Swage visual indicator for fluid coupling

#116
20130221662
2013-08-29

Assembly comprising a first conduit and a second conduit connected through a connecting device

#117
20130200616
2013-08-08

Threaded connection of high-pressure fluid-carrying components of an injection device for internal combustion engines

#118
20130200615
2013-08-08

Method for influencing the thread geometry of an internal thread for internal combustion engines

#119
20130181439
2013-07-18

Seal assembly for nested dual drill pipe

#120
20130093183
2013-04-18

Connection methods and systems

#121
20120205909
2012-08-16

Split-ring gland pipe coupling with corrugated armor

#122
20120117784
2012-05-17

Torque limiting fluid connector system

#123
20120032438
2012-02-09

High pressure fitting for hydrogen applications

#124
20120001425
2012-01-05

Fluid Line Connecting Fitting

#125
20120001418
2012-01-05

Connector

#126
20110233926
2011-09-29

Thin-walled pipe joint

#127
20110226034
2011-09-22

Pipe expanding apparatus of thin wall stainless steel pipe

#128
20110006519
2011-01-13

Screw Connection

#129
20100264648
2010-10-21

Connection methods and systems

#130
20100225109
2010-09-09

Tube connector

#131
20080271946
2008-11-06

Pipe/silencer device assembly

#132
20080174111
2008-07-24

quick connect coupling

#133
20080143105
2008-06-19

FLUID COUPLING

#134
20070210578
2007-09-13

Hose Apparatus and Method of Manufacturing Same

#135
20070152441
2007-07-05

Pipe connector and torque tool

#136
20060202433
2006-09-14

Ring for fastening plumbing equipment of sinks and sanitary fixtures

#137
20060138769
2006-06-29

Magnetic field concentrator for electromagnetic forming

#138
20060108793
2006-05-25

Quick connect coupling

#139
20050264005
2005-12-01

Pipe coupling

#140
20050110270
2005-05-26

Piping connector

#141
20050099007
2005-05-12

Pipe coupling

#142
20050067835
2005-03-31

Hydraulic connectors

#143
19012665
2026-02-10

Dielectric union and method of assembling the same

#144
18641727
2025-07-29

Stainless steel bimetallic coupling

#145
18137738
2025-06-03

Systems and apparatus for orienting one or more tools in a tool string and methods of manufacture, assembly and use thereof

#146
15467845
2018-05-08

Pipe joint structure