ClassID:

153245

F16L39/00 - CPC Classification

Classification description:

Joints or fittings for double-walled or multi-channel pipes or pipe assemblies

Sub-classes:
Recent Application in this class:
#1
20260009483
2026-01-08

CONNECTOR DEVICE

#2
20250283558
2025-09-11

TRIPLE-WALLED CONDUIT, AIRCRAFT COMPRISING AT LEAST ONE SUCH TRIPLE-WALLED CONDUIT

#3
20250257849
2025-08-14

CONNECTOR DEVICE FOR A HIGH-PRESSURE HYDROGEN RESERVOIR, HIGH-PRESSURE HYDROGEN STORAGE FUEL CELL SYSTEM, AND METHOD OF PRODUCING A CONNECTOR DEVICE FOR A HIGH-PRESSURE HYDROGEN RESERVOIR

#4
20250257826
2025-08-14

FLANGED CLAMP UNION AND METHOD OF ASSEMBLY

#5
20250023271
2025-01-16

Distributed Multi-Sensor Multi-Mode Quick Disconnect System

#6
20250009407
2025-01-09

FLUID CONNECTION APPARATUS AND METHOD OF USE

#7
20240351685
2024-10-24

INTERFACE SYSTEM FOR CONNECTING TROLLEYS

#8
20240218822
2024-07-04

VEHICLE EXHAUST SYSTEM HAVING AN INTEGRAL HOOD

#9
20240200705
2024-06-20

MULTIPORT DISCONNECT COUPLINGS

#10
20230372128
2023-11-23

DYNAMIC SUPPORT APPARATUS AND SYSTEM

#11
20230294487
2023-09-21

Flange, and pipe and flange structure

#12
20230228356
2023-07-20

Multi-conduit system

#13
20230137448
2023-05-04

Connector suitable to be connected to a multi-port extruded tube

#14
20230106677
2023-04-06

CONNECTION ELEMENT AND CONNECTION SYSTEM FOR A BLOOD TREATMENT DEVICE

#15
20230094260
2023-03-30

Connection assembly and thermoregulation assembly

#16
20220412497
2022-12-29

CLAMP ASSEMBLY

#17
20220252196
2022-08-11

Multiport disconnect couplings

#18
20220235891
2022-07-28

DUAL PLANE SEAL AIR CONDITIONER CONNECTOR

#19
20220111136
2022-04-14

Manifold

#20
20220026932
2022-01-27

DYNAMIC SUPPORT APPARATUS AND SYSTEM

#21
20210404582
2021-12-30

Fluid line quick connector with spacer having angled surface(s)

#22
20210370042
2021-12-02

Connector system

#23
20210278020
2021-09-09

Fluid tight connectors

#24
20210254770
2021-08-19

CONDUIT ALIGNMENT TOOL

#25
20210162192
2021-06-03

Aseptic connector

#26
20210108751
2021-04-15

Apparatus and method for coupling a plurality of hydraulic valves with a plurality of hose fittings

#27
20210102651
2021-04-08

Quick connector structure for automobiles

#28
20210062951
2021-03-04

MULTI-FUNCTIONAL WATER AERATION CONDUIT FOR A CONTAINER DRAIN OUTLET

#29
20210032943
2021-02-04

Composite dual channel drill pipes and method of manufacture

#30
20210010979
2021-01-14

Inline cycle fuse

#31
20200362999
2020-11-19

Hose connector assembly, use of a hose connector assembly, and sanitary fitting

#32
20200352747
2020-11-12

Dynamic support apparatus and system

#33
20200300398
2020-09-24

Multipurpose connector for an aircraft monument and aircraft monument, aircraft area and aircraft having a multipurpose connector

#34
20200289812
2020-09-17

Connector system

#35
20200267888
2020-08-27

Coupling plate

#36
20200166161
2020-05-28

JOINED COMPONENT THROUGH WHICH PROCESS FLUID PASSES IN SEMICONDUCTOR MANUFACTURING PROCESS OR DISPLAY MANUFACTURING PROCESS

#37
20200132234
2020-04-30

Fitting for connecting a main pipe liner to a branch conduit

#38
20200124285
2020-04-23

Dual-fuel multi-port connector

#39
20200088690
2020-03-19

Inline cycle fuse

#40
20200076102
2020-03-05

Connecting device for feed lines

#41
20200019193
2020-01-16

Dynamic support apparatus and system

#42
20190385755
2019-12-19

Systems and methods for steam separator tie bar repair or replacement

#43
20190257457
2019-08-22

Seed Cart Coupler System

#44
20190232355
2019-08-01

Joint flange using thickness-increased and cutting-processed pipe and method for manufacturing same

#45
20190219208
2019-07-18

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

#46
20190211957
2019-07-11

Water distribution

#47
20190203866
2019-07-04

Coupling device

#48
20190186666
2019-06-20

Poppet coupling

#49
20190170032
2019-06-06

Arrangement for removing blow-by gases from a crankcase of an internal combustion engine

#50
20190011937
2019-01-10

Tubing system

#51
20180363390
2018-12-20

Connector for assembling two riser segments, comprising an internal locking ring and removable pins

#52
20180306357
2018-10-25

Connecting piece

#53
20180299057
2018-10-18

Conduit connection assembly

#54
20180250055
2018-09-06

Recirculating cooling system for energy delivery device

#55
20180228526
2018-08-16

Fluid connecting system and cryoprobe with same

#56
20180209314
2018-07-26

Exhaust conduits for marine engine exhaust systems

#57
20180207889
2018-07-26

Material extraction tool

#58
20180161182
2018-06-14

Dynamic support apparatus and system

#59
20180147401
2018-05-31

Connector system

#60
20180080691
2018-03-22

Hose alignment subassemblies

#61
20180051523
2018-02-22

High pressure marine drilling riser assembled using mechanical components

#62
20170363241
2017-12-21

Connector

#63
20170350867
2017-12-07

Inline cycle fuse

#64
20170283241
2017-10-05

Fueling apparatus

#65
20170281921
2017-10-05

Aseptic connector

#66
20170259291
2017-09-14

COUPLING STRUCTURE OF SPRAY HEAD AND CONNECTOR OF WATER SPRAY GUN

#67
20170205012
2017-07-20

Multi quick connector for subsea use

#68
20170205009
2017-07-20

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

#69
20170167652
2017-06-15

Fluid transport coupling

#70
20170162967
2017-06-08

Connection unit for a coupling device, in particular a multiple coupling

#71
20170030497
2017-02-02

Fluid coupling mating apparatus and method

#72
20160305667
2016-10-20

Thermally-coupled fuel manifold

#73
20160305584
2016-10-20

APPARATUS AND RELATED METHODS FOR PIPE COUPLING

#74
20160290544
2016-10-06

Multiple field device flange

#75
20160245445
2016-08-25

Dual-Wall Fitting for Fluid Communication

#76
20160245434
2016-08-25

Vacuum system pipe couplings

#77
20160102796
2016-04-14

Connector system

#78
20160090954
2016-03-31

Connecting device and component group

#79
20160053924
2016-02-25

Pipe retainer

#80
20160007762
2016-01-14

GAS COMMUNICATION DEVICE, GAS SUPPLY ASSEMBLY AND GAS SUPPLY ADJUSTMENT METHOD

#81
20150338008
2015-11-26

Multi-Lumen Axial Cryogenic Connector

#82
20150328655
2015-11-19

Application robot having a connection unit for different applicators

#83
20150327927
2015-11-19

Recirculating cooling system for energy deliver device

#84
20150316190
2015-11-05

Manifold assembly for dual-walled pipe

#85
20150308599
2015-10-29

Multi-coupling with serviceable locking mechanism

#86
20150308425
2015-10-29

Power air compressor

#87
20150219048
2015-08-06

Assembly device for double-skinned aircraft fuel pipes

#88
20150211206
2015-07-30

Mast arrangement and method for connecting a tool unit to a mast carriage of a mast arrangement

#89
20150202810
2015-07-23

Connector member

#90
20150190251
2015-07-09

Dynamic support apparatus and system

#91
20150184781
2015-07-02

Threaded connection for double-walled pipes

#92
20150176742
2015-06-25

EMBEDDABLE ASSEMBLY FOR A HYDRAULIC CONNECTION

#93
20150144314
2015-05-28

Coupling for electric vehicle battery pack

#94
20150129235
2015-05-14

Apparatus and method for connecting fluid lines

#95
20150115598
2015-04-30

High pressure fluid conduit connector components and connector assembly

#96
20150108750
2015-04-23

Oil drain connector

#97
20150061282
2015-03-05

ASEPTIC CONNECTOR

#98
20150019028
2015-01-15

Dynamic support apparatus and system

#99
20140311155
2014-10-23

Flow splitter for a fluid system of a gas turbine engine

#100
20140300105
2014-10-09

Heat exchanger housing connection

#101
20140291979
2014-10-02

CONNECTION ASSEMBLY FOR AIR SUPPLY DEVICE

#102
20140265306
2014-09-18

Separately replaceable seal systems for use with a pressure transmitter

#103
20140261839
2014-09-18

Concentric flexible hose assembly

#104
20140246167
2014-09-04

Systems and methods for processing geothermal liquid natural gas (LNG)

#105
20140230608
2014-08-21

Apparatus for tightening threaded fasteners

#106
20140124050
2014-05-08

Pour spout adapter assembly for pumping system

#107
20140102547
2014-04-17

Device for connecting pneumatic tools to a manipulator

#108
20140062079
2014-03-06

Connector

#109
20140035272
2014-02-06

Connection device

#110
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

#111
20130309016
2013-11-21

Quick disconnect system

#112
20130248029
2013-09-26

Apparatus and method for axially transferring fluids to a plurality of components

#113
20130221662
2013-08-29

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

#114
20130180616
2013-07-18

Double pipe and coupling structure for the pipe

#115
20130134703
2013-05-30

ARCHIMEDES SCREW ASSEMBLY

#116
20130133944
2013-05-30

Adapter and connection structure

#117
20130113206
2013-05-09

Temporary utility service apparatus

#118
20130074807
2013-03-28

Fuel injector coupling device

#119
20130062878
2013-03-14

Exhaust pipe connecting structure

#120
20130038052
2013-02-14

Pipe and siphon receptacle apparatus coupling adaptor

#121
20130001941
2013-01-03

Connection device for a supply line

#122
20120319397
2012-12-20

Fluid connection unit

#123
20120318519
2012-12-20

Apparatus and method for connecting fluid lines

#124
20120296247
2012-11-22

Dynamic support apparatus and system

#125
20120248760
2012-10-04

Connecting block

#126
20120167327
2012-07-05

CONNECTING DEVICE FOR A WINDSHIELD WIPER SYSTEM

#127
20120060934
2012-03-15

PIPELINE FLUID HEATING SYSTEM

#128
20120060773
2012-03-15

Dugout heating system

#129
20120049512
2012-03-01

FLARE FITTINGS WITH CIRCUMFERENTIAL SLEEVE FOR IMPROVED HIGH PRESSURE SEAL

#130
20110304133
2011-12-15

Connector for fluid piping and connector assembly

#131
20110290361
2011-12-01

Apparatus and method for axially transferring fluids to a plurality of components

#132
20110284196
2011-11-24

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

#133
20110277325
2011-11-17

Passage block and manufacturing method thereof

#134
20110260446
2011-10-27

MULTIPLE PORT PARALLEL ACCESS PIPING FLANGE

#135
20110247321
2011-10-13

Dynamic support apparatus and system

#136
20110232785
2011-09-29

Oil storing device and engine having the same

#137
20110225988
2011-09-22

Multi-Lumen Axial Cryogenic Connector

#138
20110214755
2011-09-08

Double metal seal fitting

#139
20110169261
2011-07-14

Double-pipe joint

#140
20110163540
2011-07-07

O-RINGLESS SEAL COUPLINGS

#141
20110163535
2011-07-07

Double-pipe joint

#142
20110103882
2011-05-05

PIPE FLANGE GUIDE SHROUD

#143
20110050815
2011-03-03

Flow-passage connecting device and liquid ejecting apparatus including the same

#144
20110042938
2011-02-24

MULTIPLE MATERIAL PIPING COMPONENT

#145
20110017334
2011-01-27

Wired conduit segment and method of making same

#146
20110014687
2011-01-20

Connection device and analyzer

#147
20110012341
2011-01-20

Multiple Plug Coupling for Media Lines

#148
20110001317
2011-01-06

Changeable Connection Assembly for a Closed Suction Tube

#149
20100319888
2010-12-23

Heat exchanger for cooling reaction gas, including a tubular connection between a cooled tube and an uncooled tube

#150
20100318069
2010-12-16

MULTI-CHANNEL COUPLING FOR MULTI-LUMEN TUBE

#151
20100308579
2010-12-09

INTEGRAL FACE SEAL

#152
20100300567
2010-12-02

Subsea hydraulic coupler

#153
20100237061
2010-09-23

Helix heated hose

#154
20100219628
2010-09-02

Pipe and Siphon Receptacle Apparatus Coupling Adaptor

#155
20100140930
2010-06-10

Termination assembly for a steel tube umbilical

#156
20100126303
2010-05-27

Conduit arrangement for a pressurized fluid, and method for the production thereof

#157
20100109320
2010-05-06

Microfluidic connector

#158
20100077593
2010-04-01

Self-aligning utility autocoupler

#159
20100066077
2010-03-18

Pipe joint design

#160
20100052316
2010-03-04

Compliant splice

#161
20100038899
2010-02-18

Umbilical field connect

#162
20100024902
2010-02-04

Hydraulic connection assembly with a pressure discharge control, positionable between an onboard hydraulic circuit of an engineering vehicle and a removable hydraulic equipment

#163
20100018673
2010-01-28

Enclosure type inter-piping fluid thermal energy transfer device

#164
20090322075
2009-12-31

Connecting arrangement for a fluid-conducting tube

#165
20090322072
2009-12-31

Connection assembly and method of connecting such an assembly

#166
20090283543
2009-11-19

Flow control and manifold assembly

#167
20090211646
2009-08-27

Double-walled flexible dispenser sump connection system

#168
20090179423
2009-07-16

Double-pipe joint

#169
20090160182
2009-06-25

Retainer Assembly for Conduit Connection

#170
20090146415
2009-06-11

Pipe-joint structure for heat exchanger

#171
20090140515
2009-06-04

PIPE CONNECTOR

#172
20090126808
2009-05-21

Connection structure between integrated panel and fluid device

#173
20090121476
2009-05-14

Microfluidic Bus for Interconnecting Multiple Fluid Conduits

#174
20090090415
2009-04-09

Chemical delivery system

#175
20090078541
2009-03-26

Drive/frame assembly for a reciprocating slat conveyor

#176
20090072536
2009-03-19

Connection Structure of Stack Panel to Fluid Device

#177
20090066079
2009-03-12

Make-brake connector assembly with opposing latches

#178
20090058077
2009-03-05

Multicoupling Device

#179
20090051163
2009-02-26

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

#180
20090051161
2009-02-26

Multiconnector For a Conduit

#181
20090038304
2009-02-12

Hydraulic isolating manifold

#182
20090015009
2009-01-15

Fluid connector

#183
20090001715
2009-01-01

Endformed tubular assembly

#184
20080271803
2008-11-06

Cable jacket sealing, pressurization, and monitoring

#185
20080246277
2008-10-09

Multiple material piping component

#186
20080245417
2008-10-09

Double-walled flexible dispenser sump connection system

#187
20080202614
2008-08-28

Passage block and manufacturing method thereof

#188
20080129043
2008-06-05

Conduit to component fitting having a leak detection mechanism

#189
20080129039
2008-06-05

Pipe coupling adaptor

#190
20080048437
2008-02-28

Method and apparatus for end-to-end coupling of component bores

#191
20080041479
2008-02-21

MODULAR SURFACE MOUNT FLUID SYSTEM

#192
20080041478
2008-02-21

MODULAR SURFACE MOUNT FLUID SYSTEM

#193
20080000533
2008-01-03

Structure for Connection Between Integrated Panel and Fluid Device

#194
20070267081
2007-11-22

Modular surface mount fluid system

#195
20070218225
2007-09-20

Product with multiple functions such as on board technology, e.g. panel or pipe with enhanced systems within

#196
20070205598
2007-09-06

Heat exchanger pipe joint

#197
20070178764
2007-08-02

HIGH-PRESSURE FLUID-FLOW SYSTEM HAVING COMPACT TWO-BOLT AND FOUR-BOLT FLANGED AND MODULAR CONNECTORS

#198
20070137703
2007-06-21

DOUBLE-WALLED FLEXIBLE DISPENSER SUMP CONNECTION SYSTEM

#199
20070132231
2007-06-14

Joint for use in fluid control apparatus

#200
20070114790
2007-05-24

Retainer assembly for conduit connection

#201
20070108761
2007-05-17

Quick pipe connector

#202
20070102924
2007-05-10

Receptor for a separation module

#203
20070085339
2007-04-19

Front loader joint

#204
20070007760
2007-01-11

Threaded connections and methods for forming threaded connection

#205
20060279082
2006-12-14

Tube having multi-channel tube and branch tubes, connection structure thereof and connection method therefore

#206
20060243454
2006-11-02

System and method for forming downhole connections

#207
20060192383
2006-08-31

Component to component sealing method

#208
20060188337
2006-08-24

Piping system with transition coupling

#209
20060185729
2006-08-24

Double-walled flexible dispenser sump connection system

#210
20060175828
2006-08-10

Cryogenic seal for vacuum-insulated pipe expansion bellows

#211
20060157975
2006-07-20

Double-pipe joint

#212
20060131874
2006-06-22

Error proof multi-line quick connector

#213
20060130909
2006-06-22

Pipe connector for cryogenic use

#214
20060119099
2006-06-08

Pipe joint structures and methods of manufacturing such structures

#215
20060119098
2006-06-08

Pipe Joint Structures and Methods of Manufacturing Such Stuctures

#216
20060108792
2006-05-25

Pipe arrangement branching structure, method for working perforated pipe and method for working branch pipe

#217
20060088367
2006-04-27

Quick disconnect tooling apparatus

#218
20060079107
2006-04-13

Subsea gang connector system

#219
20060051443
2006-03-09

Flow distributor for die tooling of pipe mold equipment with remote extruder

#220
20060028018
2006-02-09

Method and apparatus for providing a transition connector to introduce outside air and vent flue for boiler combustion

#221
20060027275
2006-02-09

Shear-resistant modular fluidic blocks

#222
20060001265
2006-01-05

Housing structure

#223
20050242581
2005-11-03

Coupler

#224
20050232703
2005-10-20

Flowline insulation system

#225
20050230970
2005-10-20

Junction plate for subsea hydraulic couplings

#226
20050212289
2005-09-29

Connecting coupling with a sliding sleeve and collet chucks

#227
20050211334
2005-09-29

Connective coupling a data interface

#228
20050189760
2005-09-01

Housing structure

#229
20050161943
2005-07-28

Connection structure of multi-channel tube with branching tube and connection method therefor

#230
20050046184
2005-03-03

Apparatus for quick connection

#231
20050029806
2005-02-10

Pipe joint structure

#232
20050023827
2005-02-03

Conduit coupling assembly

#233
20050006900
2005-01-13

System and method for coupling conduit

#234
20050006899
2005-01-13

Weldable conduit and method

#235
20050005983
2005-01-13

Weldable conduit method of forming

#236
13397027
2016-02-23

Coupling for pipe, and related methods