ClassID:

153247

F16L39/02 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260092663
2026-04-02

PIPING STRUCTURE FOR MACHINE TOOL

#2
20260036236
2026-02-05

FEMALE END ASSEMBLY AND CONNECTOR

#3
20250369544
2025-12-04

EXPANDABLE HOSE

#4
20250341271
2025-11-06

CONNECTOR WITH CLAMP FOR SECURING INFLATABLE BLADDER AIR CHANNELS

#5
20250305610
2025-10-02

Compact End Fitting Assembly For Composite Pipe

#6
20250114267
2025-04-10

SYSTEM, METHOD, AND DEVICE UTILIZING REVERSIBLE CONNECTOR

#7
20240401891
2024-12-05

JOINT UNIT

#8
20240392907
2024-11-28

COUPLING SYSTEM FOR GLUE HOSES AND METHOD FOR OPERATING A GLUING MACHINE

#9
20240261175
2024-08-08

SYSTEM, METHOD, AND DEVICE UTILIZING REVERSIBLE CONNECTOR

#10
20240167596
2024-05-23

EXPANDABLE HOSE

#11
20240102587
2024-03-28

FLOATING HOSE SEGMENT AND SYSTEM OF FLOATING HOSE SEGMENTS

#12
20240068613
2024-02-29

COUPLING FOR DOUBLE-WALLED HOSES

#13
20230392723
2023-12-07

MULTI-HOSE ARRANGEMENT

#14
20230072772
2023-03-09

Hose

#15
20230064563
2023-03-02

Water line junction device

#16
20230003006
2023-01-05

SANITARY FITTING

#17
20220275891
2022-09-01

Multi-annuli pipe fitting systems and methods

#18
20220221096
2022-07-14

Black tank sewer flush adapter

#19
20220065379
2022-03-03

Gas supply connector

#20
20220010643
2022-01-13

Junction box for connecting two umbilical sections

#21
20210404584
2021-12-30

Expandable hose

#22
20210361522
2021-11-25

System, method, and device utilizing reversible connector

#23
20210341090
2021-11-04

Hydraulic Continuous Roll Joint

#24
20210231247
2021-07-29

Attachment device for a hose arrangement

#25
20210156498
2021-05-27

Swaged pipe fitting systems and methods

#26
20210148500
2021-05-20

Method and system for fluidly connecting fracturing manifold and fracturing tree

#27
20210102651
2021-04-08

Quick connector structure for automobiles

#28
20210054956
2021-02-25

Termination for Sheathed Tubing with Leak Containment and Detection Provisions

#29
20210024049
2021-01-28

Connection device for vehicle hydraulic systems, orientable connector and method of assembly associated therewith

#30
20210003236
2021-01-07

Multi-lumen hose and connector nipple

#31
20200393072
2020-12-17

Flexible double walled hose connection

#32
20200326025
2020-10-15

Fluid-Pressure Assisted Coaxial Fluid Elements, Fittings and Assemblies

#33
20200325743
2020-10-15

Manifold for hydraulic fracturing blender and other applications

#34
20200038287
2020-02-06

Dual plumbing system for a hot tub or spa

#35
20190353289
2019-11-21

Hydraulic system

#36
20190309885
2019-10-10

Flexible double walled hose connection

#37
20190301652
2019-10-03

MULTIPORT PISTON-SEAL FITTING

#38
20190275619
2019-09-12

Crack resistant hardfacing alloys

#39
20190234394
2019-08-01

Overmolded tubing assembly and adapter for a positive displacement pump

#40
20190170032
2019-06-06

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

#41
20190078714
2019-03-14

Methods, devices, and systems for coupling fluid lines

#42
20190017642
2019-01-17

Safety joint

#43
20180298891
2018-10-18

HIGH PRESSURE, HIGH FLOW RATE PERISTALTIC PUMP AND TUBING ASSEMBLY

#44
20180224032
2018-08-09

Termination for sheathed tubing with leak containment and detection provisions

#45
20180163907
2018-06-14

Methods, devices, and systems for coupling fluid lines

#46
20180080691
2018-03-22

Hose alignment subassemblies

#47
20170363236
2017-12-21

Hoses and hose adaptors

#48
20170336015
2017-11-23

Intersection connection of locomotive cryogenic systems and variants

#49
20170284569
2017-10-05

Water suction hoses

#50
20170283241
2017-10-05

Fueling apparatus

#51
20170274444
2017-09-28

METHOD OF MANUFACTURING BIFURCATED PIPE AND BIFURCATED CONNECTOR FOR CONNECTING HOSES AND FUEL SUPPLY HOSE MANUFACTURED USING THE SAME

#52
20170190084
2017-07-06

Fuel line connector and method of making

#53
20170184243
2017-06-29

System of flexible pipes and coupling elements and method of producing such a flexible pipe

#54
20170175940
2017-06-22

Flexible pipe and coupling therefor

#55
20170152974
2017-06-01

HOSE-LINE CONNECTOR AND LINE ASSEMBLY

#56
20160312928
2016-10-27

Lightweight, high flow hose assembly and method of manufacture

#57
20160287350
2016-10-06

Washing device for medical instruments

#58
20160281896
2016-09-29

Double wall tube fitting with an integrated diagnostic port

#59
20160223102
2016-08-04

Double hose device

#60
20160215919
2016-07-28

EXPANDABLE HOSE

#61
20160090718
2016-03-31

Inlet water pipe

#62
20150330536
2015-11-19

Flexible pipe and coupling therefor

#63
20150308590
2015-10-29

Retractable pipe structure

#64
20150308425
2015-10-29

Power air compressor

#65
20150292663
2015-10-15

AN ASSEMBLY OF A FLEXIBLE PIPE AND AN END-FITTING

#66
20150252929
2015-09-10

Flexible pipe and coupling therefor

#67
20150219263
2015-08-06

Flange and Adapter for Dual-Walled Tube Assembly

#68
20150198153
2015-07-16

High pressure, high flow rate peristaltic pump and tubing assembly

#69
20150091295
2015-04-02

Nut, socket and adapter for a fluid nozzle

#70
20140306448
2014-10-16

Fitting for tubing containment system

#71
20140261839
2014-09-18

Concentric flexible hose assembly

#72
20140191501
2014-07-10

Methods, devices, and systems for coupling fluid lines

#73
20140138920
2014-05-22

Sealing system

#74
20140058301
2014-02-27

Reinforced connector

#75
20140001748
2014-01-02

Fuel line connector and method of making

#76
20130133944
2013-05-30

Adapter and connection structure

#77
20130061832
2013-03-14

Internal combustion engine

#78
20120216903
2012-08-30

MULTI-LAYER TUBING AND METHOD FOR JOINING

#79
20120145247
2012-06-14

Flexible hose assembly with multiple flow passages

#80
20120109030
2012-05-03

Reinforced connector

#81
20120049509
2012-03-01

SECONDARY CONTAINED CSST PIPE AND FITTING ASSEMBLY

#82
20110309616
2011-12-22

Sanitary hose coupling

#83
20110284196
2011-11-24

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

#84
20110229271
2011-09-22

Venting gas

#85
20110210540
2011-09-01

Hose connector

#86
20110180172
2011-07-28

HIGH PRESSURE, HIGH FLOW RATE TUBING ASSEMBLY FOR A POSITIVE DISPLACEMENT PUMP

#87
20110147492
2011-06-23

HOSE

#88
20100276026
2010-11-04

HOSE-IN-HOSE TERMINATION FITTING

#89
20100264652
2010-10-21

HOSE-LINE CONNECTOR AND LINE ASSEMBLY

#90
20100186845
2010-07-29

HOSE DEVICE

#91
20100175772
2010-07-15

Hose system for high pressure hydraulic system

#92
20100116914
2010-05-13

Spray-gun line-connecting device

#93
20100030192
2010-02-04

CATHETER SHAFT BOND ARRANGEMENTS AND METHODS

#94
20090224529
2009-09-10

Fluid connector for fluid delivery apparatus

#95
20090211654
2009-08-27

Assembly For The Differential Delivery Of Treated And Mains Water

#96
20090189390
2009-07-30

Fluidically operated device

#97
20090145506
2009-06-11

Cryogenic transfer hose

#98
20090066083
2009-03-12

Fitting for use with tubing containment system

#99
20080287843
2008-11-20

Reinforced connector

#100
20080156386
2008-07-03

DREDGE FLOTATION HOSE AND SYSTEM

#101
20080073906
2008-03-27

Dual fluid connector

#102
20060189469
2006-08-24

Apparatus for the continuous separation of biological fluids into components and method of using same

#103
20060186061
2006-08-24

Apparatus for the continuous separation of biological fluids into components and method of using same

#104
20060180080
2006-08-17

Apparatus for thermal spraying

#105
20060000515
2006-01-05

Dredge flotation hose and system

#106
20050077729
2005-04-14

Combination of hose and hose connector

#107
18665164
2024-12-31

Remote disconnection of utility lines in offshore well operations

#108
18224850
2024-04-02

Reel compatible multi-chuck air hose

#109
17946172
2024-02-13

Joint assembly for a hose assembly

#110
17184923
2021-12-07

Multi-annuli pipe fitting systems and methods

#111
16995442
2024-02-27

Split manifold and method for multiple part fluid applications

#112
16243243
2023-11-21

Convertible head for deionization vessels