ClassID:

153458

F16L58/08 - CPC Classification

Classification description:

Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings; Coatings characterised by the materials used by metal

Recent Application in this class:
#1
20260117912
2026-04-30

TUBING COMPONENTS AND METHOD OF MAKING TUBING COMPONENTS

#2
20260028284
2026-01-29

ANTICORROSIVE COMPOSITION

#3
20250296881
2025-09-25

ANTICORROSIVE COMPOSITION

#4
20250257839
2025-08-14

METHOD OF PRODUCING ANTI-SCALING AND ANTI-GALLING COATING ON AN INTERNAL SURFACE OF A TUBULAR MEMBER

#5
20250250711
2025-08-07

METAL PLATING OF GASLINE INTERIOR SURFACES

#6
20250155070
2025-05-15

PIPE SECTION, PIPE ASSEMBLY, METHOD FOR MANUFACTURING A PIPE SECTION AND PIPE ARRANGMENT, AND USE OF A PIPE ASSEMBLY

#7
20240353050
2024-10-24

ELECTROLYTIC COATING FOR ALUMINUM COMPONENTS WITH WELD JOINTS

#8
20240174866
2024-05-30

ANTICORROSIVE COMPOSITION

#9
20240167610
2024-05-23

Tube For Subsea Application

#10
20240142039
2024-05-02

FLUIDIC CHANNELS AND METHODS OF ALTERING THE SURFACE ENERGY OF COMPONENTS THEREOF

#11
20240142038
2024-05-02

SYSTEM AND METHOD FOR A PROCESS TO CREATE IMPROVED PIPING TO SUPRESS THE BUILD UP OF BIOLOGICAL ORGANISMS

#12
20240084949
2024-03-14

PLUMBING COMPONENT WITH A COATING AND METHOD FOR COATING A PLUMBING COMPONENT

#13
20240052954
2024-02-15

FLUID TRANSPORT TUBING INCORPORATING A GRAPHENE IMPREGNATED OUTER COATING

#14
20240011596
2024-01-11

CORROSION RESISTANT TUBE AND METHOD OF MANUFACTURE

#15
20230417357
2023-12-28

METHOD OF PLATING AN AUTOMOTIVE EXHAUST PIPE

#16
20230349503
2023-11-02

OIL-WELL METAL PIPE

#17
20230341075
2023-10-26

HYDROGEN TRANSPORTATION PIPE AND HYDROGEN TRANSPORTATION PIPELINE

#18
20230220945
2023-07-13

COATED CAST IRON PIPE OR FITTING FOR USE IN AGGRESSIVE ENVIRONMENTS

#19
20230184353
2023-06-15

ABRASION RESISTANT COATED TUBE

#20
20230092249
2023-03-23

System and method for a process to create improved piping to supress the build up of biological organisms

#21
20230053703
2023-02-23

Pipe and manufacturing method therefor

#22
20230053546
2023-02-23

Body of a sanitary fitting having an anti-corrosion layer and a method for manufacturing such a body

#23
20230024535
2023-01-26

COATED PIPE RESISTANT TO CASING WEAR

#24
20220396893
2022-12-15

TUBULAR ARTICLES WITH ELECTRODEPOSITED COATINGS, AND SYSTEMS AND METHODS FOR PRODUCING THE SAME

#25
20220306537
2022-09-29

ANTICORROSIVE COMPOSITION

#26
20220299153
2022-09-22

Amorphous inner-coated pipe and method for producing same

#27
20220243859
2022-08-04

Metal pipe, in particular pipe for conveying oil and gas, comprising a metal coating in a transition region

#28
20220074525
2022-03-10

Fluid transport tubing incorporating a graphene impregnated outer coating

#29
20220010900
2022-01-13

Connector for pipelines and method to connect the connector to a pipeline

#30
20210404594
2021-12-30

Fluidic channels and methods of altering the surface energy of components thereof

#31
20210364119
2021-11-25

Threaded connection for pipes or tubes and method for producing the threaded connection for pipes or tubes

#32
20210156496
2021-05-27

Mechanically lined pipe having an inner polymer liner

#33
20210148505
2021-05-20

Hybrid mechanically lined pipe methods and apparatus

#34
20210071807
2021-03-11

Reducing the risk of corrosion in pipelines

#35
20210071806
2021-03-11

Reducing the risk of corrosion in pipelines

#36
20200400255
2020-12-24

Threaded connection for pipes and method for producing threaded connection for pipes

#37
20200398092
2020-12-24

STEEL COATED METAL STRUCTURES AND METHODS OF FABRICATING THE SAME

#38
20200347971
2020-11-05

Swivel joint with coated surfaces

#39
20200309310
2020-10-01

Method for producing a double-walled pipe and a double-walled pipe

#40
20200292107
2020-09-17

Threaded connection for pipe and method for producing threaded connection for pipe

#41
20200248279
2020-08-06

Method for producing plated black heart malleable cast iron member, plated black heart malleable cast iron member, and pipe joint

#42
20200232592
2020-07-23

DEFECT REPAIR USING ADDITIVE MANUFACTURING

#43
20200224813
2020-07-16

Electric-resistance-welded stainless clad steel pipe or tube

#44
20200200316
2020-06-25

Thermal-insulated multi-walled pipe for superconducting power transmission

#45
20200166173
2020-05-28

Treating fluidic channels

#46
20200131658
2020-04-30

Tubular articles with electrodeposited coatings, and systems and methods for producing the same

#47
20200072405
2020-03-05

Threaded connection for oil country tubular goods and method for producing threaded connection for oil country tubular goods

#48
20200041062
2020-02-06

Process for lining a steel pipe for the subsea transport of fluids

#49
20200011472
2020-01-09

OILFIELD TUBING AND METHODS FOR MAKING OILFIELD TUBING

#50
20200011454
2020-01-09

Tube structure with a protected sensor and method for manufacturing a tube structure with a protected sensor

#51
20190271430
2019-09-05

Pipe for pipeline infrastructures

#52
20190242517
2019-08-08

Loose lining structure based on a tantalum plate and a steel clad plate and manufacturing method thereof

#53
20190219218
2019-07-18

Method of producing electric-resistance-welded stainless clad steel pipe or tube

#54
20190162352
2019-05-30

Method of reducing leak or risk of leak in pipe system

#55
20190145570
2019-05-16

CORROSION-RESISTANT PIPING AND METHODS OF MANUFACTURING AND USING THE SAME

#56
20190144985
2019-05-16

Multilayered corrosion and anti-galling coating for threads and wearable materials

#57
20190078182
2019-03-14

Aluminum oxide forming heat transfer tube for thermal cracking

#58
20180313490
2018-11-01

Method for producing a double-walled pipe and a double-walled pipe

#59
20180313471
2018-11-01

COMPOSITE PIPE COMPRISED OF A CARRIER PIPE AND AT LEAST ONE PROTECTIVE PIPE, AND METHOD FOR THE PRODUCTION THEREOF

#60
20180229206
2018-08-16

Reforming tube comprising an insert affording protection against corrosion

#61
20180180215
2018-06-28

Corrosion resistant buried underground ductile cast iron piping members with an improved external coating and the method thereof

#62
20180172197
2018-06-21

THREADED TUBULAR ELEMENT PROVIDED WITH A METALLIC ANTI-CORROSION AND ANTI-GALLING COATING

#63
20180171261
2018-06-21

Threaded tubular connection provided with a metallic coating on the threading and on the sealing surface

#64
20180087160
2018-03-29

Pipe product and method for producing same

#65
20180080115
2018-03-22

Adhesion Method of Noble Metal to Carbon Steel Material of Atomic Energy Plant and Adhesion Restraint Method of Radionuclide to Carbon Steel Material of Atomic Energy Plant

#66
20180008851
2018-01-11

Steel coated metal structures and methods of fabricating the same

#67
20170362714
2017-12-21

Methods for making multilayer tubular articles

#68
20170341119
2017-11-30

Improving the bending behaviour of mechanically-lined rigid pipe

#69
20170261148
2017-09-14

METAL CONNECTOR OR ADAPTOR FOR HYDRAULIC OR OIL DYNAMIC APPLICATION AT HIGH PRESSURE AND RELATIVE GALVANIC TREATMENT FOR CORROSION PROTECTION

#70
20170067141
2017-03-09

METHOD AND SYSTEM FOR TREATING A STEEL TUBING WITH A COATING TO RESIST CORROSION

#71
20170030509
2017-02-02

Tubing material, double wall steel tubes and method of manufacturing a double wall steel tube

#72
20170029959
2017-02-02

Property enhancement of surfaces by electrolytic micro arc oxidation

#73
20170021445
2017-01-26

METHOD AND APPARATUS FOR FORMING CLAD METAL PRODUCTS

#74
20160361748
2016-12-15

Method and kit for joining a tubular member and a pipeline for conveying corrosive products

#75
20160356413
2016-12-08

Large-aperture spiral welded steel pipe with metal linings and manufacturing method thereof

#76
20160334049
2016-11-17

MULTI-LAYER ANTI-CORROSIVE COATING

#77
20160312930
2016-10-27

TUBULAR ASSEMBLY

#78
20160305033
2016-10-20

Coated stainless steel member

#79
20160290103
2016-10-06

VAPOR-DEPOSITING METAL OXIDE ON SURFACES FOR WELLS OR PIPELINES TO REDUCE SCALE

#80
20160273683
2016-09-22

Process for producing a multilayer pipe having a metallurgical bond by drawing, and multilayer pipe produced by this process

#81
20160237570
2016-08-18

GAS DELIVERY APPARATUS FOR PROCESS EQUIPMENT

#82
20160230261
2016-08-11

Inexpensive automotive member and feed oil pipe, exhibiting excellent salt corrosion resistance

#83
20160195216
2016-07-07

OUTER COATING FOR AN UNDERGROUND PIPING MEMBER MADE FROM IRON, COATED PIPING MEMBER AND METHOD FOR DEPOSITING THE COATING

#84
20150375981
2015-12-31

Rotary distributor for distributing free-flowing media

#85
20150299474
2015-10-22

Corrosion-resistant structure for high-temperature water system and corrosion-preventing method thereof

#86
20150299473
2015-10-22

Corrosion-resistant structure for high-temperature water system and corrosion-preventing method thereof

#87
20150226365
2015-08-13

Iron-based piping element for buried pipeline, comprising an outer coating

#88
20150147591
2015-05-28

Corrosion resistant hardfacing alloy

#89
20150144220
2015-05-28

Pipe having heat-resistant and corrosion-resistant plating layer that has excellent workability

#90
20150114064
2015-04-30

Water pipe for which hydroforming is employed, and a production method therefor

#91
20150090359
2015-04-02

Hot-dip galvanized steel pipe and method of manufacturing the same

#92
20140327239
2014-11-06

Coated flanged coupling

#93
20140326412
2014-11-06

Method and apparatus for reinforcing a pipeline

#94
20140251792
2014-09-11

Method and apparatus for controlling steel corrosion under thermal insulation (CUI)

#95
20140199480
2014-07-17

Method of manufacturing fuel system part and fuel system part

#96
20140096858
2014-04-10

Apparatus for manufacturing compound powder, method of manufacturing iron-boron compound powder by using the apparatus, boron alloy powder mixture, method of manufacturing the boron alloy powder mixture, combined powder structure, method of manufacturing the combined powder structure, steel pipe, and method of manufacturing the steel pipe

#97
20140004270
2014-01-02

Method and apparatus for forming clad metal products

#98
20130306185
2013-11-21

Method of making hydralic tubing

#99
20130224516
2013-08-29

Coating compositions, applications thereof, and methods of forming

#100
20130213490
2013-08-22

Hydrate deposit inhibition with surface-chemical combination

#101
20130195557
2013-08-01

Method of manufacturing a mechanically lined pipe

#102
20130098496
2013-04-25

Steel fuel conveying pipe

#103
20130037161
2013-02-14

Treating fluidic channels

#104
20130019986
2013-01-24

Metal dusting protection for welded pipe assemblies

#105
20120291942
2012-11-22

Pipe Preformed Liner Comprising Metal Powder

#106
20120255641
2012-10-11

Method and apparatus for reinforcing a pipeline

#107
20120247223
2012-10-04

Electroless Plated Fluid Flow Conditioner and Pipe Assembly

#108
20120234428
2012-09-20

Nickel-plated steel sheet for manufacturing pipe having corrosion resistance against fuel vapors, pipe which uses the steel sheet, and fuel supply pipe which uses the steel sheet

#109
20120225289
2012-09-06

Corrosion-resistant structure for high-temperature water system and corrosion-preventing method thereof

#110
20120204992
2012-08-16

Water pipe for which hydroforming is employed, and a production method therefor

#111
20120145276
2012-06-14

PIPELINE WITH AN INTERNAL CORROSION RESISTANT METAL COATING

#112
20120118746
2012-05-17

METHOD OF MANUFACTURING FUEL SYSTEM PART AND FUEL SYSTEM PART

#113
20120003414
2012-01-05

Pipe preformed liner comprising metal powder

#114
20120000563
2012-01-05

Pipe preformed liner comprising metal powder

#115
20110284239
2011-11-24

NON-STICK ARTICLES

#116
20110232842
2011-09-29

PIPE PREFORMED LINER COMPRISING METAL POWDER

#117
20110220237
2011-09-15

BIMETALLIC TUBE

#118
20110183072
2011-07-28

HOT-DIP GALVANIZATION SYSTEMS AND METHODS

#119
20110162750
2011-07-07

Flexible pipe for conveying hydrocarbons having a high corrosion resistance, and method for making same

#120
20110025050
2011-02-03

CONNECTION SYSTEM FOR DOUBLE-WALLED PIPES

#121
20110017339
2011-01-27

METHOD FOR ROLLED SEAMLESS CLAD PIPES

#122
20110003165
2011-01-06

MULTI-LAYER ANTI-CORROSIVE COATING

#123
20100266781
2010-10-21

Structural components for oil, gas, exploration, refining and petrochemical applications

#124
20100034590
2010-02-11

Method for laying a pipeline having an inner corrosion proof cladding

#125
20090258250
2009-10-15

Balanced Composition Hardfacing Alloy

#126
20090252986
2009-10-08

Anti-corrosive coating for metal surfaces

#127
20090098289
2009-04-16

Pig and Method for Applying Prophylactic Surface Treatments

#128
20090038704
2009-02-12

Motor Vehicle Pipeline and Method for the Manufacturing of a Motor Vehicle Pipeline

#129
20080241584
2008-10-02

Hardfacing alloy, methods and products

#130
20070290403
2007-12-20

Method for maximizing the sharing of tensile load for cement-sheathed multi-wall pipe

#131
20070141285
2007-06-21

Pipe preformed liner comprising metal powder

#132
20060037660
2006-02-23

Hydrogen conduit and process for producing same

#133
20050224135
2005-10-13

Fuel filler pipe for automobile

#134
20050173495
2005-08-11

Method of protecting against corrosion at high temperature

#135
20050166987
2005-08-04

Clad pipe

#136
20050118364
2005-06-02

Tubular member having an anti-galling coating

#137
17083604
2024-02-06

Method for coating a valve assembly with a two layer antimicrobial anticorrosion coating

#138
16798293
2023-10-03

Methods, products, and systems for monitoring and improving pipeline infrastructure

#139
15725551
2018-08-07

Fire tube wrap

#140
14957512
2019-07-30

Composition and method for preparing corrosion resistant multifunctional coatings