ClassID:

152813

F16L9/12 - page 2 - CPC Classification

Classification description:

Rigid pipes of plastics with or without reinforcement

Recent Application in this class:
#301
20110123751
2011-05-26

Propylene polymer pipes for pipelines

#302
20110118417
2011-05-19

Polyethylene compositions

#303
20110111153
2011-05-12

Crosslinked polyethylene process

#304
20110108121
2011-05-12

Polymer compositions and pressure-resistant pipes made therefrom

#305
20110048570
2011-03-03

Nano or sub-nano FIR and anion metal fuel pipes for motor vehicles and like

#306
20110036443
2011-02-17

Nano FIR and anion fuel pipes for motor vehicle and the like

#307
20110014407
2011-01-20

Polypropylene composition for buried structures

#308
20110008558
2011-01-13

Method and apparatus for fabricating welded plastic tube and pipe assemblies

#309
20100301598
2010-12-02

Hose End Fittings

#310
20100300570
2010-12-02

Hose

#311
20100285251
2010-11-11

β-nucleated polypropylene composition

#312
20100243092
2010-09-30

Methods and systems for coating and sealing inside of piping systems

#313
20100230856
2010-09-16

Apparatus, system, and method of manufacturing a composite tubular using a stiffened mandrel

#314
20100212769
2010-08-26

Composite spoolable tube

#315
20100166995
2010-07-01

MULTILAYER TUBE

#316
20100162949
2010-07-01

Methods and systems for coating and sealing inside of piping systems

#317
20100119753
2010-05-13

Polylefin Pipe Having Inherent Resistance To Thermooxidative Degradation

#318
20100101676
2010-04-29

Composite tubing

#319
20100084036
2010-04-08

COMPOSITE PIPE DESIGNED TO TRANSPORT, INDISCRIMINATELY, A HYDROCARBON FUEL OR A HYDRAULIC FLUID

#320
20100078439
2010-04-01

Use of a composite material as a barrier under cryogenic conditions

#321
20100071796
2010-03-25

Polyolefin multilayer pipe

#322
20100021666
2010-01-28

Polyolefin composition for pipe system and sheets

#323
20100003439
2010-01-07

Polyethylene compositions, methods of making the same, and articles prepared therefrom

#324
20090308476
2009-12-17

Pipe measurement

#325
20090149588
2009-06-11

Plastic pipe made of polyolefin

#326
20090136699
2009-05-28

Glossy Tubes and Pipes

#327
20090071595
2009-03-19

Assembly process and plastic composite tube

#328
20090026757
2009-01-29

RISER ASSEMBLY AND METHOD OF ASSEMBLY THEREFOR

#329
20080317990
2008-12-25

Crosslinked polyethylene articles and processes to produce same

#330
20080308674
2008-12-18

Light weight thermoplastic flex foam and hybrid duct system

#331
20080254246
2008-10-16

Pressure pipe comprising a multimodal polyethylene composition with an inorganic filler

#332
20080233322
2008-09-25

Pressureless pipe comprising a multimodal polyethylene composition with an inorganic filler

#333
20080226858
2008-09-18

Peroxide crosslinked ethylene polymer pressure pipe and a method for the preparation thereof

#334
20080193691
2008-08-14

Mxd. 10 Polyamide-Based Barrier Structures

#335
20080128042
2008-06-05

Multilayer pipe

#336
20080085388
2008-04-10

FILAMENT REINFORCED TAPES USEFUL AS UNDERWATER PIPE WRAP

#337
20080060699
2008-03-13

Polymeric pipes and liners suitable for transporting oil and gas materials and made from blends of polyolefins and polyamides

#338
20080026112
2008-01-31

Multilayer Tube for Transfer of Smoke Curing Solution to Food

#339
20080020160
2008-01-24

Polymeric pipes and containers with high barrier layers

#340
20080017268
2008-01-24

Carbon Black-Containing Crosslinked Polyethylene Pipe Having Resistance To Chlorine And Hypochlorous Acid

#341
20080014812
2008-01-17

Buoyancy Control Systems for Tubes

#342
20070265398
2007-11-15

Pipe systems of polypropylene compositions

#343
20070235099
2007-10-11

Sprinkler riser tube and method for making same

#344
20070196608
2007-08-23

Pipe systems made from random copolymers of propylene and α-olefins

#345
20070184227
2007-08-09

Polyolefin tube

#346
20070166497
2007-07-19

Fluid transfer member

#347
20070128353
2007-06-07

Methods and systems for coating and sealing inside piping systems

#348
20070125488
2007-06-07

Reinforced elongated elements, such as tubes, method and device for producing same and use thereof

#349
20070125439
2007-06-07

Composite tubing

#350
20070065615
2007-03-22

ANNULAR OR TUBULAR SHAPED ARTICLES OF NOVEL POLYMER BLENDS

#351
20070048472
2007-03-01

Polymeric pipe and method of making a polymeric pipe

#352
20070036926
2007-02-15

Multilayered pipes

#353
20060258796
2006-11-16

Crosslinked polyethylene compositions

#354
20060185750
2006-08-24

Polymeric pipes and liners suitable for transporting oil and gas materials and made from blends of polyolefins and polyamides

#355
20060174961
2006-08-10

Resin tube for fuel piping

#356
20060167141
2006-07-27

Molding compositions made from a high-molecular-weight-propylene polymer

#357
20060141229
2006-06-29

Strand-shaped flexible profile, and method for its production

#358
20060111495
2006-05-25

Thermoplastic formulations for manufacturing pipes and accessories for home and industrial use, and process for the same

#359
20060099478
2006-05-11

Line system for fluids and gases in a fuel cell

#360
20060093772
2006-05-04

Multilayered pipes comprising hydrolysis resistant polyamides

#361
20060084331
2006-04-20

Buoyancy control systems for tubes

#362
20060083883
2006-04-20

Multi-layer resinous tube and multi-layer resinous container

#363
20060078752
2006-04-13

Line system for fluids and gases in a fuel cell

#364
20050277347
2005-12-15

Buoyancy control systems for tubes

#365
20050276945
2005-12-15

Composite articles and methods of making the same

#366
20050181162
2005-08-18

Polymeric pipes made from blends of polyolefins and vinyl alcohol polymers

#367
20050173011
2005-08-11

Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids

#368
20050158497
2005-07-21

Assembly methodand a plastic composite tube

#369
20050121094
2005-06-09

Composite spoolable tube

#370
20050048240
2005-03-03

Tubular member made of fluororesin

#371
20050048239
2005-03-03

Polymeric pipes and liners and fuel lines made from blends of fluoroppolymers and polyamides

#372
20050037214
2005-02-17

Nylon composite articles of manufacture and processes for their preparation

#373
20050031818
2005-02-10

Polyamide-based multilayer tube for transferring fluids

#374
20050016609
2005-01-27

Multilayer pipe, in particular for an engine cooling circuit

#375
17093771
2022-02-01

Hydrogen transport, distribution and storage system, method and apparatus

#376
15425446
2019-04-30

Fabricating conduits

#377
14254167
2017-02-07

Fabricating conduits

#378
13397027
2016-02-23

Coupling for pipe, and related methods