ClassID:

152813

F16L9/12 - CPC Classification

Classification description:

Rigid pipes of plastics with or without reinforcement

Sub-classes:
Recent Application in this class:
#1
20260139767
2026-05-21

BIOMIMETIC WATER STORAGE AND TRANSPORT SYSTEM ADAPTED FOR LOW OR ZERO GRAVITY ENVIRONMENTS

#2
20260117894
2026-04-30

MULTI-LAYER PIPE

#3
20260092657
2026-04-02

PRESSURE PIPES WITH IMPROVED BARRIER PROPERTIES TO HYDROGEN GAS

#4
20250369555
2025-12-04

THERMALLY INSULATED MULTILAYER TUBE FOR COOLANT

#5
20250361367
2025-11-27

PRESSURE PIPES WITH IMPROVED BARRIER PROPERTIES TO CO2

#6
20250283557
2025-09-11

METHOD FOR PRODUCING TUBE BODY

#7
20250283319
2025-09-11

WATERWAY INSTALLATION STRUCTURE IN A TOILET

#8
20250257820
2025-08-14

TUBE FOR SEMICONDUCTOR MANUFACTURING EQUIPMENT

#9
20250251060
2025-08-07

TUBE FOR SEMICONDUCTOR MANUFACTURING EQUIPMENT

#10
20250243953
2025-07-31

TUBE AND PRODUCTION METHOD OF TUBE

#11
20250243328
2025-07-31

PRESSURE PIPES WITH IMPROVED BARRIER PROPERTIES TO CO2

#12
20250242536
2025-07-31

METHOD FOR PRODUCING A PIPE ASSEMBLY

#13
20250230306
2025-07-17

POLYETHYLENE OR POLYPROPYLENE ARTICLES

#14
20250197620
2025-06-19

PIPE COMPRISING A POLYPROPYLENE COMPOSITION

#15
20250197602
2025-06-19

RESIN COMPOSITION FOR VEHICLE COOLANT TRANSPORT TUBE AND VEHICLE COOLANT TRANSPORT TUBE

#16
20250189061
2025-06-12

PIPE WITH AN OUTER WRAP

#17
20250163257
2025-05-22

PIPES AND POLYPROPYLENE COMPOSITION FOR THE MANUFACTURE THEREOF

#18
20250145810
2025-05-08

POLYETHYLENE COMPOSITION FOR PIPE APPLICATIONS WITH IMPROVED SAGGING PROPERTIES

#19
20250102095
2025-03-27

COMPOSITE CONNECTORS AND METHODS OF MANUFACTURING THE SAME

#20
20250060053
2025-02-20

NESTABLE DUCTS WITH RINGS

#21
20250003530
2025-01-02

Tube comprising a pultruded cylindrical element

#22
20240384840
2024-11-21

METHOD AND APPARATUS FOR DELIVERING HYDROGEN

#23
20240384816
2024-11-21

MULTILAYER TUBULAR STRUCTURE HAVING A LOW EXTRACTABLES CONTENT FOR TRANSPORTING HYDROGEN

#24
20240384024
2024-11-21

CONDUIT TUBE AND THERMOPLASTIC POLYESTER ELASTOMER RESIN COMPOSITION

#25
20240369162
2024-11-07

PIPE FOR TRANSPORTING A FLUID, INSULATED PIPE WITH SUCH, AND METHOD FOR MANUFACTURING A PIPE

#26
20240336021
2024-10-10

ASSEMBLY AND METHOD FOR MANUFACTURING COMPOSITE PIPES

#27
20240318748
2024-09-26

PLASTIC PIPE AND PLASTIC SLEEVE FOR CONNECTING TO SUCH A PLASTIC PIPE

#28
20240271648
2024-08-15

COMPOSITE CONNECTORS AND METHODS OF MANUFACTURING THE SAME

#29
20240263721
2024-08-08

PRESSURE PIPES WITH IMPROVED BARRIER PROPERTIES TO HYDROGEN GAS

#30
20240200708
2024-06-20

PVC-O pipe

#31
20240183494
2024-06-06

MULTILAYER STRUCTURE FOR TRANSPORTING OR STORING HYDROGEN

#32
20240159330
2024-05-16

Pipe with an outer wrap

#33
20240093477
2024-03-21

Waterway installation structure in a toilet

#34
20240066812
2024-02-29

HELICALLY COMPRESSED SHEET FILMS AND COEXTRUSIONS FOR IMPROVED RESISTANCE TO PERMEATION AND DIFFUSION BY MULTILAYER TUBULAR COMPOSITE STRUCTURE

#35
20230406977
2023-12-21

FLUORINE-CONTAINING COPOLYMER

#36
20230391917
2023-12-07

COPOLYMER, MOLDED BODY, EXTRUDED BODY, AND TRANSFER MOLDED BODY

#37
20230383869
2023-11-30

COMPOSITE TUBE

#38
20230340240
2023-10-26

Polyolefin Composition With Improved Resistance To High Temperature

#39
20230304717
2023-09-28

WATER FILL TUBE WITH THERMALLY CONDUCTIVE FILLED POLYMER

#40
20230279971
2023-09-07

Air brake tubing and compositions for making the same

#41
20230272883
2023-08-31

Method and apparatus for delivering hydrogen

#42
20230258287
2023-08-17

Multi-use fuel filler tube

#43
20230250269
2023-08-10

Gas Barrier Resin Composition, Method for Producing Gas Barrier Resin Composition, and Molded Product

#44
20230220136
2023-07-13

Polyolefin Compositions and Articles Thereof

#45
20230219279
2023-07-13

Pipe bell end ring flare system and method of use thereof

#46
20230175624
2023-06-08

Double Pipe System

#47
20230159696
2023-05-25

RESIN COMPOSITION AND AIR INTAKE HOSE INCLUDING THE SAME

#48
20230138335
2023-05-04

Pipe with an outer wrap

#49
20230087683
2023-03-23

Propylene-based terpolymer composition for pipes

#50
20230085379
2023-03-16

Pipe forming apparatus

#51
20230002607
2023-01-05

Heterophasic copolymer obtained by a process for producing heterophasic copolymer

#52
20220381373
2022-12-01

TUBE BODY INTERMEDIATE AND METHOD FOR PRODUCING TUBE BODY

#53
20220371262
2022-11-24

Biaxially oriented pipe

#54
20220349499
2022-11-03

Biaxially oriented pipe

#55
20220307652
2022-09-29

HYDROGEN TRANSPORT, DISTRIBUTION AND STORAGE SYSTEM, METHOD AND APPARATUS

#56
20220227965
2022-07-21

PIPE MADE OF PEROXIDE-CROSSLINKED POLYETHYLENE OF HIGH UV STABILITY

#57
20220146048
2022-05-12

Hydrogen transport, distribution and storage system, method and apparatus

#58
20220098342
2022-03-31

Bimodal polyethylene resins and pipes produced therefrom

#59
20220082188
2022-03-17

Pipe coupling assembly and method

#60
20220074534
2022-03-10

Pipe coupling seal assembly

#61
20220065368
2022-03-03

Air brake tubing and compositions for making the same

#62
20220056239
2022-02-24

Polypropylene composition

#63
20220049798
2022-02-17

Composite tubular element and relevant manufacturing method

#64
20220049797
2022-02-17

Raised temperature resistant pipes comprising an ethylene-based polymer

#65
20220041849
2022-02-10

Composites having a thermoplastic matrix

#66
20220041846
2022-02-10

Polyethylene or polypropylene articles

#67
20220017667
2022-01-20

Ethylene/1-hexene copolymer having excellent long-term physical properties and processability

#68
20220016825
2022-01-20

Pipe bell end ring flare system and method of use thereof

#69
20220003338
2022-01-06

Thermoplastic composite pipe with multilayer intermediate lamina

#70
20210380737
2021-12-09

Bimodal polyethylene copolymer composition and pipe made thereof

#71
20210340367
2021-11-04

Pipes and polypropylene composition for the manufacture thereof

#72
20210332926
2021-10-28

Resin piping assembly, and process of forming the same

#73
20210332919
2021-10-28

Dig tubes and fittings for tubulars

#74
20210302618
2021-09-30

Identifying subterranean structures using amorphous metal markers

#75
20210292448
2021-09-23

Propylene-based terpolymer composition for pipes

#76
20210254761
2021-08-19

Pipe structure and construction method

#77
20210140566
2021-05-13

Pipe with an outer wrap

#78
20210102862
2021-04-08

Method of manufacturing a composite component

#79
20210086491
2021-03-25

Flexible plastic line, method for the production thereof, and uses of same

#80
20210071785
2021-03-11

Preformed Duct Assembly

#81
20210070969
2021-03-11

Polyethylene composition for pipe applications with improved sagging properties

#82
20210041040
2021-02-11

Pipeline assembly and method of installation

#83
20210018131
2021-01-21

Pipe coupling seal assembly

#84
20210009862
2021-01-14

Filament reinforced tapes useful as underwater pipe wrap

#85
20200384407
2020-12-10

SPRAY PIPE, DESULFURIZATION APPARATUS PROVIDED WITH THE SPRAY PIPE, AND INSPECTION METHOD FOR THE DESULFURIZATION APPARATUS

#86
20200377654
2020-12-03

Use of PEKK for producing parts with low gas permeability

#87
20200353711
2020-11-12

Composite, process for the production thereof, use of said material and articles comprising the said material

#88
20200339715
2020-10-29

PE-RT pipes and processes for making the same

#89
20200326020
2020-10-15

Underwater pipe comprising a sheath comprising a polypropylene block copolymer

#90
20200291197
2020-09-17

Resin composition and applications thereof

#91
20200278053
2020-09-03

WATER PIPE FOR MINING OPERATIONS

#92
20200271246
2020-08-27

Air brake tubing and compositions for making the same

#93
20200270383
2020-08-27

Polyethylene for pipes

#94
20200240554
2020-07-30

Non-metallic cabling continuous oil pipe

#95
20200231795
2020-07-23

PROCESS FOR PRODUCING HETEROPHASIC COPOLYMERS OF PROPYLENE

#96
20200207001
2020-07-02

PVDF Pipe and Methods of Making and Using Same

#97
20200200298
2020-06-25

Multilayer water pipe for mining operations

#98
20200182386
2020-06-11

Plastics pipeline with a support sleeve

#99
20200158265
2020-05-21

Pipe with an outer wrap

#100
20200157260
2020-05-21

Bimodal polyethylene resins and pipes produced therefrom

#101
20200056023
2020-02-20

Multimodal polyethylene pipe

#102
20200055649
2020-02-20

Filament reinforced tapes useful as underwater pipe wrap

#103
20200049296
2020-02-13

Composite connectors and methods of manufacturing the same

#104
20200049180
2020-02-13

Composite connectors and methods of manufacturing the same

#105
20200048432
2020-02-13

Coupled uracil compound for vinyl chloride polymer resins

#106
20200041063
2020-02-06

Tubing for brake and fuel systems incorporating graphene impregnated polyamides

#107
20200032944
2020-01-30

Fluid-Conducting Pipe

#108
20200024424
2020-01-23

POLYOLEFIN STABILIZERS WITH REDUCED FRAGMENTATION

#109
20200003339
2020-01-02

CONTINUOUS REINFORCED COLD WATER PIPE FOR AN OCEAN THERMAL ENERGY CONVERSION SYSTEM

#110
20190359741
2019-11-28

Multimodal polyethylene pipe

#111
20190323642
2019-10-24

Resin piping assembly, and process of forming the same

#112
20190315953
2019-10-17

Process for producing heterophasic copolymers of propylene

#113
20190284315
2019-09-19

Bimodal polyethylene resins and pipes produced therefrom

#114
20190248991
2019-08-15

Ethylene copolymer composition

#115
20190211229
2019-07-11

Polyurea-poly(meth)acrylate interpenetrating polymer network adhesive compositions and methods of using the same

#116
20190203856
2019-07-04

TUBULAR, EQUIPMENT AND METHOD OF FORMING THE SAME

#117
20190195723
2019-06-27

Pipeline element leak detection system and method

#118
20190186658
2019-06-20

NONMETALLIC JOINTS AND METHODS FOR FORMATION AND INSPECTION THEREOF

#119
20190170171
2019-06-06

Device for transporting a medium and assembly method

#120
20190154360
2019-05-23

Thermal pyrolytic graphite tube device for directional thermal management

#121
20190120410
2019-04-25

Pipe

#122
20190112462
2019-04-18

PROCESS AIDS FOR ORIENTED POLYVINYL CHLORIDE

#123
20190105856
2019-04-11

Hybrid polymer pipe and tile hybrid polymer

#124
20190092935
2019-03-28

Polyvinyl chloride pipe

#125
20190049057
2019-02-14

Strengthened polyethylene tubular member

#126
20190049044
2019-02-14

HOLLOW ARTICLE MADE OF UHMWPE TAPES

#127
20190011064
2019-01-10

Spiral-welded polymer products with a cellular wall and thermoplastic profile for its production

#128
20180362743
2018-12-20

Polyethylene composition having high mechanical properties and processability

#129
20180335169
2018-11-22

Duct fabricated with additive manufacturing from a run of material in the form of one or more spirals

#130
20180328520
2018-11-15

Water pipe for mining operations

#131
20180282683
2018-10-04

Methods and apparatus for separating ethanol from fermented biomass

#132
20180282504
2018-10-04

Polyethylene composition for pipe applications with improved sagging and extrusion properties

#133
20180273741
2018-09-27

POLYPROPYLENE PIPES WITH IMPROVED PRESSURE RESISTANCE

#134
20180266590
2018-09-20

Duct fabricated with additive manufacturing

#135
20180266187
2018-09-20

THERMAL RESISTANT WELL CASING

#136
20180258265
2018-09-13

Pipe produced with a polymer composition comprising a polyolefin

#137
20180258255
2018-09-13

Polyolefin pipe

#138
20180244904
2018-08-30

PROCESS FOR PRODUCING HETEROPHASIC COPOLYMERS OF PROPYLENE

#139
20180237621
2018-08-23

Polyethylene composition having high mechanical properties and processability

#140
20180223075
2018-08-09

PIPE FOR THE TRANSPORT OF WATER HAVING IMPROVED RESISTANCE TO CHLORINATED DISINFECTANTS

#141
20180208749
2018-07-26

Bimodal high density polyethylene

#142
20180195646
2018-07-12

Thermoplastic composite pipe with multilayer intermediate lamina

#143
20180194992
2018-07-12

Proppant coating for heavy metal recovery

#144
20180186990
2018-07-05

COMPOSITE MATERIAL FOR HIGH-IMPACT POLYVINYL CHLORIDE REINFORCED PIPE

#145
20180186098
2018-07-05

COMPOSITE ARTICLE

#146
20180180200
2018-06-28

Continuous reinforced cold water pipe for an ocean thermal energy conversion system

#147
20180179366
2018-06-28

Multimodal high density polyethylene

#148
20180142811
2018-05-24

Composite pipe and method for manufacturing the same

#149
20180141083
2018-05-24

Processes for coating the interior surfaces of nonmetal materials

#150
20180119848
2018-05-03

Wiring incorporated resin pipe and method of manufacturing the same

#151
20180112070
2018-04-26

Polyethylene for pipe and joint, and molded body thereof

#152
20180066783
2018-03-08

Pipe coupling assembly

#153
20180066776
2018-03-08

Rotatable Pipe Adapter

#154
20180057644
2018-03-01

Polyolefin pipe

#155
20180038522
2018-02-08

Fiber-reinforced composite pipe and cold/warm water piping system

#156
20180037725
2018-02-08

POLYETHYLENE COMPOSITION SUITABLE FOR PIPE APPLICATIONS

#157
20180010311
2018-01-11

Hydropower installation

#158
20170370503
2017-12-28

Air brake tubing and compositions for making the same

#159
20170369612
2017-12-28

Polyethylene for pipes

#160
20170327606
2017-11-16

POLYETHYLENE COMPOSITION AND PIPE COMPRISING SUCH COMPOSITION

#161
20170324227
2017-11-09

Electric wire protecting pipe and wire harness

#162
20170313855
2017-11-02

NOVEL COUPLED URACIL COMPOUND FOR VINYL CHLORIDE POLYMER RESINS

#163
20170305569
2017-10-26

Pressurized composite fluid lines and method

#164
20170299090
2017-10-19

Preformed duct assembly

#165
20170274603
2017-09-28

Fiber-reinforced member and method for manufacturing same

#166
20170261131
2017-09-14

Polymer compositions

#167
20170253734
2017-09-07

Polymer blend, a film or sheet made therefrom, articles made from the film or sheet or pipe and method of preparing a film or sheet

#168
20170248265
2017-08-31

Process for coating the interior surfaces of pipes made of nonmetal materials

#169
20170248253
2017-08-31

Pipe with an outer wrap

#170
20170234466
2017-08-17

Dig tubes and fittings for tubulars

#171
20170232657
2017-08-17

Pinch-formed blow molded bracket off the parting line

#172
20170219136
2017-08-03

Environmental conditioning systems and methods utilizing polyvinylidene fluoride (PVDF) foam ducts

#173
20170216543
2017-08-03

Patterns for flow control and bioadhesion control

#174
20170211725
2017-07-27

Multilayer system

#175
20170210894
2017-07-27

Propylene-based copolymer composition for pipes

#176
20170204259
2017-07-20

Propylene-based copolymer composition for pipes

#177
20170204246
2017-07-20

Polymer resin composition and articles formed with the composition

#178
20170191584
2017-07-06

POLYMER PIPING ASSEMBLY

#179
20170114193
2017-04-27

Polyolefin pipe

#180
20170100880
2017-04-13

Process and machine for reinforcing a thermoplastic pipe

#181
20170089503
2017-03-30

Chlorine-resistant polyethylene compound and articles made therefrom

#182
20170082314
2017-03-23

Light weight thermoplastic flex foam and hybrid duct system

#183
20170030494
2017-02-02

Molded body and manufacturing method thereof

#184
20170021600
2017-01-26

Multilayer tube

#185
20170002187
2017-01-05

POLYETHYLENE COMPOSITION FOR PIPE APPLICATIONS WITH IMPROVED SAGGING PROPERTIES

#186
20160377214
2016-12-29

Underwater pipe assembly and method for assembling underwater pipes

#187
20160377202
2016-12-29

Underwater pipe and connector assembly and method of assembling an underwater pipe and a connector

#188
20160349142
2016-12-01

Pipeline element leak detection system and method

#189
20160312017
2016-10-27

Polyethylene composition with high flexibility and high temperature resistance suitable for pipe applications

#190
20160298795
2016-10-13

Polyethylene of raised temperature resistance

#191
20160286739
2016-10-06

Subsurface pressurized irrigation delivery system

#192
20160273684
2016-09-22

Heatable pipe

#193
20160244539
2016-08-25

Low melting PP homopolymer with high content of regioerrors and high molecular weight

#194
20160229993
2016-08-11

Polyethylene composition suitable for injection moulding applications

#195
20160221244
2016-08-04

System and method of inspecting inner smooth wall of corrugated dual wall pipe

#196
20160214343
2016-07-28

Multi-layer tube

#197
20160208960
2016-07-21

Hollow article made of UHMWPE tapes

#198
20160207292
2016-07-21

MULTILAYER STRUCTURE

#199
20160193813
2016-07-07

Multilayer structure

#200
20160185942
2016-06-30

Flexible fire-retardant thermoplastic compositions having high thermomechanical strength, in particular for electric cables

#201
20160168290
2016-06-16

Polymer compositions and methods of making and using same

#202
20160146378
2016-05-26

Oxygen barrier film for pipe

#203
20160145428
2016-05-26

Propylene random copolymer composition for pipe applications

#204
20160130420
2016-05-12

Polyolefin pipe

#205
20160076806
2016-03-17

Refrigerated container and duct extension

#206
20160070082
2016-03-10

DUCT ASSEMBLY AND METHOD OF ITS MANUFACTURING

#207
20160061381
2016-03-03

Pressure Vessels, Design and Method of Manufacturing Using Additive Printing

#208
20160060459
2016-03-03

Metallic pipe having a hydrolysis-resistant layer of a polyamide moulding composition

#209
20160060441
2016-03-03

Multimodal polypropylene composition for pipe applications

#210
20160060373
2016-03-03

Ethylene/alpha-olefin interpolymer composition

#211
20160053034
2016-02-25

Polypropylene composition with improved impact resistance for pipe applications

#212
20160046800
2016-02-18

Rigid IPVC pipe resin composition exhibiting excellent strength and hydrostatic pressure resistance and rigid IPVC pipe

#213
20160024288
2016-01-28

Propylene random copolymer composition for pipe applications

#214
20160018027
2016-01-21

Coilable dual wall corrugated pipe and related method

#215
20160017136
2016-01-21

Polyvinylidene fluoride composition

#216
20160017123
2016-01-21

Heavy metal free CPVC compounds

#217
20160009896
2016-01-14

Heavy metal free halogenated polymer compound

#218
20150344689
2015-12-03

THERMOPLASTIC POLYAMIDE COMPONENTS, AND COMPOSITIONS AND METHODS FOR THEIR PRODUCTION AND INSTALLATION

#219
20150323111
2015-11-12

GROOVED AND EXTERNALLY REINFORCED PIPE END

#220
20150323105
2015-11-12

Pipe having resistance to both fire and cold

#221
20150314525
2015-11-05

Method and apparatus in the manufacture of a spirally wound and welded tube

#222
20150300535
2015-10-22

PIPE

#223
20150285411
2015-10-08

As-molded plastic unit cell structures

#224
20150276094
2015-10-01

Composition, tape and composite pipe made therefrom and a method of producing composite pipe

#225
20150274947
2015-10-01

Polyethylene composition having high mechanical properties

#226
20150210786
2015-07-30

Polymer compositions and methods of making and using same

#227
20150204465
2015-07-23

COMPOSITE PIPE CONTAINING A THERMOSET MATRIX WITH CRACK ARRESTING ADDITIVES

#228
20150183580
2015-07-02

Traceable Fluid Delivery System

#229
20150144221
2015-05-28

Composite tube

#230
20150107714
2015-04-23

High-pressure tube comprised of a plurality of co-extruded layers

#231
20150047734
2015-02-19

PIPE AND METHOD FOR MANUFACTURING PIPE

#232
20150036990
2015-02-05

Extruded encapsulated fillers to provide crush protection

#233
20150036988
2015-02-05

Extruded encapsulated fillers to provide crush protection

#234
20150036987
2015-02-05

Extruded encapsulated fillers to provide crush protection

#235
20150034200
2015-02-05

Extruded encapsulated fillers to provide crush protection

#236
20140363597
2014-12-11

Duct with electrically conductive coating

#237
20140338782
2014-11-20

MANUFACTURING METHOD FOR BELLOW PIPES

#238
20140302266
2014-10-09

Polyolefin pipe with improved migration behaviour

#239
20140299371
2014-10-09

CORRUGATED TUBE, INTERMEDIATE CORRUGATED TUBE PRODUCT AND WIRE HARNESS WITH CORRUGATED TUBE

#240
20140299219
2014-10-09

ROTO MOLDED SKIFF AND DRAIN

#241
20140261847
2014-09-18

COMPOSITE MANDREL FOR AN ISOLATION TOOL

#242
20140251487
2014-09-11

Invisible seam laminated article and process of manufacture

#243
20140246111
2014-09-04

Multi-layered fuel feed pipe

#244
20140246096
2014-09-04

Semi-aromatic-polyamide-based flexible composition, process for preparing same and uses thereof

#245
20140183797
2014-07-03

Cross-linkable polyethylene resin for pipes made by a single-site catalyst

#246
20140150917
2014-06-05

Fluid duct with improved connecting bead

#247
20140144801
2014-05-29

Member for use in undersea applications

#248
20140083551
2014-03-27

Air brake tubing and compositions for making the same

#249
20140027004
2014-01-30

PRINTING STRUCTURE OF A WATER PIPE

#250
20140023812
2014-01-23

Composite waste and water transport elements and methods of manufacture for use on aircraft

#251
20140020819
2014-01-23

Method for manufacturing continuous composite tube, apparatus for manufacturing continuous composite tube

#252
20140020766
2014-01-23

Method for manufacturing continuous composite tube, apparatus for manufacturing continuous composite tube

#253
20130327437
2013-12-12

High temperature conduit having a complex, three-dimensional configuration

#254
20130323450
2013-12-05

Controlling melt fracture in bimodal resin pipe

#255
20130323447
2013-12-05

Fiber reinforced shaped articles and process for making same

#256
20130306188
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