Patents-Review.com
ClassID:

152828 ⎘

F16L9/20 - CPC Classification

Classification description:

Rigid pipes; Double-walled pipes; Multi-channel pipes or pipe assemblies; Multi-channel pipes or pipe assemblies Pipe assemblies

Recent Application in this class:
#1
20260034479
2026-02-05

TUBE UNIT, DEGASSING MODULE, AND METHOD OF MANUFACTURING TUBE UNIT

 #2
20250224051
2025-07-10

DUAL PIPING SYSTEM FOR THE DISTRIBUTION OF WATER AND OTHER FLUIDS

 #3
20240181722
2024-06-06

FORMING DUCT STRUCTURE WITH OVERBRAIDED WOVEN FIBER SLEEVE

 #4
20240068600
2024-02-29

MULTI-CYLINDRICAL STRUCTURE SUPPLY PIPE

 #5
20240003475
2024-01-04

IMPROVEMENTS RELATING TO PIPE-IN-PIPE PIPELINES

 #6
20230307253
2023-09-28

Modular foreline system

 #7
20230201745
2023-06-29

TUBE UNIT, DEGASSING MODULE, AND METHOD OF MANUFACTURING TUBE UNIT

 #8
20230092767
2023-03-23

Method and apparatus for multidirectional pipe runners

 #9
20220325827
2022-10-13

Water circulation pipeline, control box and massage water pool

 #10
20220307627
2022-09-29

PIPING STRUCTURE AND PROCESSING APPARATUS

 #11
20220065554
2022-03-03

Pipe arrangement for transporting temperature control media

 #12
20220049655
2022-02-17

Composite spray bars

 #13
20220049654
2022-02-17

Composite spray bars

 #14
20210364105
2021-11-25

Seal on the interstice of double-walled fiberglass pipe

 #15
20210285575
2021-09-16

DOUBLE PIPE

 #16
20210071785
2021-03-11

Preformed Duct Assembly

 #17
20200149671
2020-05-14

Middle threaded fitting

 #18
20200132224
2020-04-30

Method of laying a pipe bundle on the seabed

 #19
20200095937
2020-03-26

Composite spray bars

 #20
20200095936
2020-03-26

Composite spray bars

 #21
20200088324
2020-03-19

Bundle section of a pipe bundle for subsea installation

 #22
20200038287
2020-02-06

Dual plumbing system for a hot tub or spa

 #23
20200032926
2020-01-30

Method for the offshore installation of a preheated double-walled underwater pipe for transporting fluids

 #24
20190257105
2019-08-22

ADAPTER FOR POOL CLEANING SYSTEM

 #25
20190242518
2019-08-08

System and method for protecting one or more pipes against corrosion and corrosion-protected pipe

 #26
20190195394
2019-06-27

Mounting arrangement

 #27
20190178581
2019-06-13

NOISE REDUCTION-TYPE DOUBLE-PIPE HEAT EXCHANGER

 #28
20190178060
2019-06-13

Multi-bore jumper interface

 #29
20180372255
2018-12-27

Middle threaded fitting

 #30
20180356021
2018-12-13

Cross-over fluid coupling

 #31
20180311867
2018-11-01

Method of installing a heat tube on pre-insulated piping

 #32
20180142602
2018-05-24

DUST EJECTOR AND EXHAUST TUBE ASSEMBLY

 #33
20180087694
2018-03-29

Subsea pipe-in-pipe structures

 #34
20180087327
2018-03-29

Termination bulkheads for subsea pipe-in-pipe systems

 #35
20180051539
2018-02-22

Sealing arrangements for subsea pipe-in-pipe systems

 #36
20180023767
2018-01-25

Sealing arrangements for subsea pipe-in-pipe systems

 #37
20170356587
2017-12-14

System and method for protecting one or more pipes against corrosion and corrosion-protected pipe

 #38
20170299091
2017-10-19

MULTI-LINE CONDUIT ASSEMBLIES

 #39
20170299090
2017-10-19

Preformed duct assembly

 #40
20170241585
2017-08-24

Heat-insulated pipe arrangement

 #41
20170146152
2017-05-25

Towable subsea oil and gas production systems

 #42
20170122487
2017-05-04

Encapsulation system and kit for a length of pipe disposed underground

 #43
20170114559
2017-04-27

Adapter for pool cleaning system

 #44
20170030493
2017-02-02

STRUCTURE OF WATER-COOLING PIPING SYSTEM

 #45
20160018023
2016-01-21

Subsea system for mounting a cable to a pipeline

 #46
20150369400
2015-12-24

Double wall tube assemblies

 #47
20150300656
2015-10-22

Supply pipe and pipe system for thermal energy network based on bilateral heat trade

 #48
20150266838
2015-09-24

Benzofurazan anti-amyloid compounds and methods

 #49
20140291032
2014-10-02

Process for the production of a pipe lined with an inliner

 #50
20140116556
2014-05-01

Pipe-in-pipe apparatus including an engineered pipe

 #51
20130312865
2013-11-28

Double-wall pipe and production process

 #52
20130312863
2013-11-28

Environmentally protected tubing and method of making it

 #53
20130195557
2013-08-01

Method of manufacturing a mechanically lined pipe

 #54
20130180472
2013-07-18

DOUBLE-WALLED TUBE, METHOD OF MANUFACTURING DOUBLE-WALLED TUBE AND STEAM GENERATOR

 #55
20130118630
2013-05-16

Method for making a tube bundle

 #56
20130113206
2013-05-09

Temporary utility service apparatus

 #57
20130068340
2013-03-21

Heat trace system including hybrid composite insulation

 #58
20130048135
2013-02-28

Fluid transfer assembly

 #59
20130037157
2013-02-14

UP-JACKETED SUB-DUCTS

 #60
20130011200
2013-01-10

Strapping machine

 #61
20110079203
2011-04-07

FUEL TUBE AND FUEL TUBE CONTAINED AUTOMOBILE FUEL PRETREATMENT DEVICE

 #62
20100196696
2010-08-05

Method and apparatus for anchoring an elongate subsea structure to a termination and a filler material therefor

 #63
20100140930
2010-06-10

Termination assembly for a steel tube umbilical

 #64
20100101676
2010-04-29

Composite tubing

 #65
20100096476
2010-04-22

Distribution tube assembly for irrigation

 #66
20100085064
2010-04-08

Universal power and testing platform

 #67
20090097922
2009-04-16

Apparatus, system, and method for concurrently laying multiple pipelines

 #68
20080014812
2008-01-17

Buoyancy Control Systems for Tubes

 #69
20070125439
2007-06-07

Composite tubing

 #70
20060084331
2006-04-20

Buoyancy control systems for tubes

 #71
20060067860
2006-03-30

Construction for an engine exhaust system component

 #72
20050277347
2005-12-15

Buoyancy control systems for tubes

 #73
20050155352
2005-07-21

Gas turbine multiple sectioned exhaust duct

 #74
16850487
2021-11-09

Method and apparatus for multidirectional pipe runners

 #75
16289089
2020-12-15

Lightweight load bearing inflatable tubular structures

 #76
15946497
2020-04-28

Method and apparatus for multidirectional pipe runners