ClassID:

152867

F16L11/20 - CPC Classification

Classification description:

Hoses, i.e. flexible pipes Double-walled hoses, i.e. two concentric hoses

Recent Application in this class:
#1
20250369544
2025-12-04

EXPANDABLE HOSE

#2
20250354636
2025-11-20

NESTLED HOSE

#3
20250354635
2025-11-20

NESTLED HOSE

#4
20250276167
2025-09-04

NEGATIVE POISSON`S RATIO MATERIALS FOR MEDICAL APPLICATIONS

#5
20250161893
2025-05-22

CHEMICAL INJECTION SYSTEM FOR CONNECTION TO A CHEMICAL TANK AND A PROCESS LINE

#6
20250115745
2025-04-10

COMPOSITE TELESCOPIC HOSE AND PREPARATION METHOD THEREOF

#7
20250092976
2025-03-20

EXPANDABLE HOSE

#8
20240254742
2024-08-01

WAND FOR PULLOUT FAUCET

#9
20240254740
2024-08-01

CONNECTOR FOR SUPPLY SYSTEM OF A FAUCET

#10
20240254739
2024-08-01

FAUCET WITH COUPLING SYSTEM

#11
20240216879
2024-07-04

Chemical injection system for connection to a chemical tank and a process line

#12
20240167596
2024-05-23

EXPANDABLE HOSE

#13
20230294510
2023-09-21

Fuel line safety protection system

#14
20230175622
2023-06-08

Expandable hose

#15
20230173439
2023-06-08

Chemical injection system for connection to a chemical tank and a process line

#16
20230048709
2023-02-16

Negative Poisson's ratio materials for medical applications

#17
20220397216
2022-12-15

Hose arrangement and method for forming a hose connection

#18
20220364662
2022-11-17

Flexible pipe for transporting a fluid in a submarine environment and associated inspection method

#19
20220356966
2022-11-10

Self-sealing hose

#20
20220275888
2022-09-01

Unbonded reinforced plastic pipe

#21
20220134372
2022-05-05

Hose assembly

#22
20220128177
2022-04-28

Extreme high-temperature resistant multilayered diesel exhaust fluid tubing

#23
20220065726
2022-03-03

PIPELINE DEFECT MONITORING

#24
20210404584
2021-12-30

Expandable hose

#25
20210356065
2021-11-18

Dual layer hose with venting port

#26
20210308639
2021-10-07

Chemical injection system for connection to a chemical tank and a process line

#27
20210301118
2021-09-30

Thermoplastic resin composition and method for producing same

#28
20210190241
2021-06-24

Modular fluid spray nozzles and related systems and methods

#29
20210010621
2021-01-14

Line element with air gap insulation

#30
20200361761
2020-11-19

Method and device for automatic refuelling of vehicles

#31
20200284379
2020-09-10

Double-buckle tube for bathroom

#32
20200224816
2020-07-16

Flexible vacuum-insulated line

#33
20200132229
2020-04-30

HOSE ARRANGEMENTS

#34
20200116288
2020-04-16

Line element with damping element

#35
20200116283
2020-04-16

Load bearing flexible conduit

#36
20190271412
2019-09-05

Reelable pipe

#37
20180306353
2018-10-25

Expandable water hose assembly

#38
20180298705
2018-10-18

Method of installing an unbonded flexible pipe

#39
20180245718
2018-08-30

Flexible chimney hose liner

#40
20180231164
2018-08-16

Flexible connection pipe for cryocooler and cryocooler

#41
20180224042
2018-08-09

Tube fitting

#42
20180224028
2018-08-09

Line element having an inner element and an outer element

#43
20180149550
2018-05-31

Monitoring system and method for a multiple-walled fluid system

#44
20180135781
2018-05-17

Heated hose, in particular for oiling plants, in particular for electrostatic oiling of metal bands

#45
20180106398
2018-04-19

Hose assembly with modified thermoplastic inner tube

#46
20180045343
2018-02-15

FLUID RESISTANT HIGH TEMPERATURE HOSE

#47
20180023731
2018-01-25

MULTI-LAYERED COILED TUBING DESIGNS WITH INTEGRATED ELECTRICAL AND FIBER OPTIC COMPONENTS

#48
20170363236
2017-12-21

Hoses and hose adaptors

#49
20170341149
2017-11-30

End fitting and method of manufacture

#50
20170321829
2017-11-09

Method for forming inline triple wall coupling connector

#51
20170314709
2017-11-02

Flexible hose

#52
20170284569
2017-10-05

Water suction hoses

#53
20170259644
2017-09-14

Nested HVAC lines

#54
20170211726
2017-07-27

Flexible Hose Structure

#55
20170175940
2017-06-22

Flexible pipe and coupling therefor

#56
20170136736
2017-05-18

Multi-Component Plastic Body

#57
20170022845
2017-01-26

Line arrangement for a motor vehicle having at least one line which is configured as a textile hose

#58
20160312929
2016-10-27

Lightweight, high flow hose assembly and method of manufacture

#59
20160312928
2016-10-27

Lightweight, high flow hose assembly and method of manufacture

#60
20160312927
2016-10-27

Lightweight, high flow hose assembly and method of manufacture

#61
20160312926
2016-10-27

Lightweight, high flow hose assembly and method of manufacture

#62
20160223102
2016-08-04

Double hose device

#63
20160215919
2016-07-28

EXPANDABLE HOSE

#64
20160195202
2016-07-07

Expandable air hose and process

#65
20160186913
2016-06-30

WATER HOSE COVERING ASSEMBLY

#66
20160123505
2016-05-05

Flexible pipe for conveying a fluid, and related use and method

#67
20160090718
2016-03-31

Inlet water pipe

#68
20160076684
2016-03-17

Load bearing flexible conduit

#69
20160003382
2016-01-07

Unbonded flexible pipe

#70
20150354733
2015-12-10

Flexible chimney hose liner

#71
20150354731
2015-12-10

Annular-pleated circular braid

#72
20150345680
2015-12-03

Connection end-piece of a flexible pipe for transporting fluid and associated method

#73
20150330536
2015-11-19

Flexible pipe and coupling therefor

#74
20150308590
2015-10-29

Retractable pipe structure

#75
20150294765
2015-10-15

Line-shaped assembly

#76
20150266838
2015-09-24

Benzofurazan anti-amyloid compounds and methods

#77
20150266037
2015-09-24

Flexible handheld shower head sprayer system

#78
20150260315
2015-09-17

Hose line for a fluid

#79
20150252929
2015-09-10

Flexible pipe and coupling therefor

#80
20150184778
2015-07-02

Pipe component and method for manufacturing a pipe component

#81
20150152984
2015-06-04

Expandable air hose

#82
20150136268
2015-05-21

Flexible pipeline

#83
20150064381
2015-03-05

WOUND TUBE MADE OF PROFILED PLASTIC STRIPS

#84
20150059907
2015-03-05

Double-jacketed fire hose with filament bundle stripes

#85
20150053293
2015-02-26

Multilayer pipeline in a polymer material, device for manufacture of the multilayer pipeline and a method for manufacturing the multilayer pipeline

#86
20140373328
2014-12-25

Device for mounting flexible, profiled hollow cylinders unto cylindrical elements

#87
20140363597
2014-12-11

Duct with electrically conductive coating

#88
20140332107
2014-11-13

Line and delivery system having such a line

#89
20140261839
2014-09-18

Concentric flexible hose assembly

#90
20140251638
2014-09-11

Tubular apparatus for making rigid tubular structures, and corresponding installation method

#91
20140196808
2014-07-17

Supply system for a liquid

#92
20140124076
2014-05-08

Gas venting

#93
20130340877
2013-12-26

Unbonded flexible pipe

#94
20130206267
2013-08-15

FLAME RESISTANT HOSE COUPLING

#95
20130113205
2013-05-09

Expandable hose assembly coupling member

#96
20130087239
2013-04-11

Flexible Pipe for Offshore and Other Applications

#97
20130068464
2013-03-21

Methods, systems and apparatus for circulating fluid within the annulus of a flexible pipe riser

#98
20130042478
2013-02-21

Hose

#99
20120273083
2012-11-01

HOSE ASSEMBLY

#100
20120247601
2012-10-04

Flexible Hose During Pressurization

#101
20120234425
2012-09-20

Expandable hose assembly

#102
20120156414
2012-06-21

Wound tube made of profiled plastic strips

#103
20120119032
2012-05-17

SECOND HOSE WALL

#104
20120090709
2012-04-19

Apparatus for transferring incoherent or liquid material

#105
20110314655
2011-12-29

Method for producing radiation modules

#106
20110229271
2011-09-22

Venting gas

#107
20100229992
2010-09-16

HOSE

#108
20100226739
2010-09-09

System and Method for Transferring Bulk Materials

#109
20100186845
2010-07-29

HOSE DEVICE

#110
20100108169
2010-05-06

Flexible conduit pipe

#111
20090308478
2009-12-17

Flexible pipe for offshore and other applications

#112
20090126820
2009-05-21

TUBE ASSEMBLY

#113
20090114304
2009-05-07

Flexible pipe

#114
20090075004
2009-03-19

APPARATUS AND METHODS FOR CROSS-LINKED CORRUGATED POLYETHYLENE PIPE

#115
20090050225
2009-02-26

System for Piping Under Roadways

#116
20090000053
2009-01-01

Tube

#117
20080319536
2008-12-25

Method for introducing an internal helical formation into a flexible tubular material

#118
20080178957
2008-07-31

Tube assembly

#119
20080110616
2008-05-15

Composite tubular structure

#120
20080006337
2008-01-10

Dual containment systems, methods and kits

#121
20070295422
2007-12-27

Flexible sleeve liner for a convolute duct

#122
20070261752
2007-11-15

MULTIPLE-LAYER FLUID FUEL APPARATUS

#123
20070246411
2007-10-25

Pollution-reducer device, a motor vehicle fitted with such a device, and a corresponding pipe

#124
20070246118
2007-10-25

Corrugated hose with non-conforming outer layer for dispensing loose-fill insulation

#125
20070235100
2007-10-11

Double walled, self-insulating, lightweight duct

#126
20070227608
2007-10-04

Flexible pipeline with multiple pipes protected against corrosion

#127
20070119511
2007-05-31

Co-extruded tubing

#128
20070074759
2007-04-05

Rupture control system

#129
20070023097
2007-02-01

Underground pipe for transporting fuel and a method of fabricating it

#130
20060225803
2006-10-12

Dual wall co-extruded corrugated tubing

#131
20060188337
2006-08-24

Piping system with transition coupling

#132
20060162799
2006-07-27

Corrugated pipe with perforation protecting cover

#133
20060157134
2006-07-20

Flexible pipe and method for producing the same

#134
20060113696
2006-06-01

Low cost vehicle fuel system components manufactured from conductive loaded resin-based materials

#135
20060070870
2006-04-06

Flexible extruded plastic profile, especially plastic tube and method for producing the same

#136
20050274424
2005-12-15

Exhaust-gastight decoupling element from stripwound hoses

#137
20050139280
2005-06-30

Composite pressure pipe

#138
20050072484
2005-04-07

Conduit for drawing off and/or supplying a fluid

#139
16522874
2020-06-09

Fail safe suction hose for significantly moving suction port

#140
15683655
2019-06-25

Color changing hose

#141
15256925
2018-05-08

Failsafe hose

#142
15176249
2017-01-17

Method and device for preventing crimping in an air hose

#143
14693739
2017-07-18

Elongatable and retractable hose