ClassID:

153455

F16L58/02 - CPC Classification

Classification description:

Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings

Sub-classes:
Recent Application in this class:
#1
20250376896
2025-12-11

INSULATED DRILL PIPES AND PROCESSES OF MAKING AND USING SAME

#2
20250369553
2025-12-04

CORROSION TREATMENT FOR PIPES

#3
20250189061
2025-06-12

PIPE WITH AN OUTER WRAP

#4
20250069764
2025-02-27

METHOD AND APPARATUS FOR REDUCING DETERIORATION IN A NUCLEAR REACTOR

#5
20240230515
2024-07-11

METHOD AND INSPECTION DEVICE FOR EXAMINING THE CATHODIC PROTECTION OF A, MORE PARTICULARLY FERROMAGNETIC, PIPELINE

#6
20240159330
2024-05-16

Pipe with an outer wrap

#7
20240035609
2024-02-01

BIMETALLIC PROTECTIVE SLEEVE FOR THE WELD SEAM OF CPSC PIPELINES

#8
20230150623
2023-05-18

GAS-CONTAINING SURFACE COVER, ARRANGEMENT, AND USE

#9
20230138335
2023-05-04

Pipe with an outer wrap

#10
20220282822
2022-09-08

VOLATILE CORROSION INHIBITOR DETECTION DEVICE

#11
20220112977
2022-04-14

Corrosion risk reduction apparatus, corrosion risk reduction detection device and corrosion risk reduction systems and methods

#12
20210341083
2021-11-04

Pipe support

#13
20210331195
2021-10-28

Lateral applicator kit for a pipe

#14
20210285569
2021-09-16

Pipe-support device

#15
20210162447
2021-06-03

Air purging apparatus for a coater

#16
20210140566
2021-05-13

Pipe with an outer wrap

#17
20200377654
2020-12-03

Use of PEKK for producing parts with low gas permeability

#18
20200292136
2020-09-17

Automated pipeline chemical batch treatment

#19
20200256489
2020-08-13

Irrigation pipe assembly

#20
20200254496
2020-08-13

Apparatus and method for in-situ cathodic protection of piggable water pipelines

#21
20200216424
2020-07-09

Gas-containing surface cover, arrangement, and use

#22
20200203042
2020-06-25

Thermal-insulated multi-walled pipe for superconducting power transmission

#23
20200158265
2020-05-21

Pipe with an outer wrap

#24
20190256345
2019-08-22

Fuel tank fill assembly

#25
20190211960
2019-07-11

Augmentation of mechanical properties of high pressure pipe

#26
20190210064
2019-07-11

Process for coating the interior surface of non-metallic pipes with metal valves and metal fittings

#27
20190143383
2019-05-16

Apparatus and method for in-situ cathodic protection of piggable water pipelines

#28
20190033796
2019-01-31

Process for forming and assembling pipe sections using mechanical press fit pipe joints in a pipeline

#29
20190033795
2019-01-31

Process for preparing pipe sections of pipeline for mechanical press fit pipe joints

#30
20190025772
2019-01-24

Processes for preparing, forming and assembling pipe sections in a pipeline using mechanical press fit pipe joints

#31
20180195014
2018-07-12

Methods of applying mono-, di- and tri-headed SAMs to equipment and products and apparatus comprising SAM surfaces

#32
20180142170
2018-05-24

Methods of applying multi-bonded SAMPs to equipment and products and apparatus comprising SAM surfaces

#33
20180141083
2018-05-24

Processes for coating the interior surfaces of nonmetal materials

#34
20180133754
2018-05-17

Processes for coating the interior surfaces of nonmetal pipes

#35
20180111150
2018-04-26

Pipe spray machine

#36
20180021808
2018-01-25

Process for coating the interior surface of non-metallic pipes with metal valves and metal fittings

#37
20170292082
2017-10-12

Bonded layer treatment method for a device utilized in a crude oil service operation, and method of installing said device

#38
20170266695
2017-09-21

Processes for coating the interior surfaces of nonmetal pipes

#39
20170248265
2017-08-31

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

#40
20170248253
2017-08-31

Pipe with an outer wrap

#41
20170203822
2017-07-20

Gas-containing surface cover, arrangement, and use

#42
20170198865
2017-07-13

Pipeline system

#43
20170175944
2017-06-22

Process for coating the interior surface of underground pipes

#44
20170130872
2017-05-11

Pipe support structure

#45
20170102674
2017-04-13

Systems for data monitoring and management of pipelines assembled with mechanical press fit pipe joints

#46
20170100806
2017-04-13

Processes for preparing, forming and assembling pipe sections in a pipeline using mechanical press fit pipe joints

#47
20170051864
2017-02-23

Process for coating the interior surface of water service lines

#48
20170029728
2017-02-02

SAMP treatment method for a device utilized in a crude oil service operation, and method of installing said device

#49
20170016563
2017-01-19

INSULATED HOSE AND INSULATED HOSE COUPLING COVER

#50
20160296972
2016-10-13

Methods and systems for coating and sealing inside piping systems

#51
20160290835
2016-10-06

FIBER OPTIC CABLE SYSTEM

#52
20160208978
2016-07-21

Method of extending life expectancy of high-temperature piping and life expectancy extension structure of high-temperature piping

#53
20160201841
2016-07-14

Tube nut assembly

#54
20160199879
2016-07-14

Method to line pipe homogeneously

#55
20160101491
2016-04-14

Apparatus and method for assembling, measuring, and monitoring integrity of mechanical pipe joints

#56
20160066521
2016-03-10

Irrigation pipe and method of fabrication

#57
20160066520
2016-03-10

Irrigation pipe and method of fabrication

#58
20160010785
2016-01-14

High-strength, watertight pipe lining

#59
20160008857
2016-01-14

Method and apparatus for high pressure water treatment of the inside of a pipe section

#60
20150345688
2015-12-03

Smart pipe concept based on embedded taggant-sensor and/or color-encoded elements to monitor liner wear in lined pipelines, including urethane lined pipe

#61
20150273791
2015-10-01

Gas-containing surface cover, arrangement, and use

#62
20150260327
2015-09-17

Vibration clamp

#63
20150192223
2015-07-09

Lining of pipelines to offshore installations

#64
20150192222
2015-07-09

Apparatus and Method for Laying Pipes

#65
20150152994
2015-06-04

OUTER COATING FOR AN IRON-BASED BURIED PIPING ELEMENT, COATED PIPING ELEMENT AND METHOD FOR DEPOSITING THE COATING

#66
20150024125
2015-01-22

Methods and systems for coating and sealing inside piping systems

#67
20140333061
2014-11-13

Flush fitting pipe lining system

#68
20140299057
2014-10-09

APPLICATOR MACHINE

#69
20130344241
2013-12-26

Process for coating the interior surface of water service lines

#70
20130264816
2013-10-10

PIPE CONNECTION SYSTEM AND METHOD FOR PRODUCING A PIPE CONNECTION SYSTEM OF THIS TYPE

#71
20130214034
2013-08-22

Method and apparatus for coating pipes

#72
20120067441
2012-03-22

Irrigation pipe assembly

#73
20120067277
2012-03-22

Barrier coating corrosion control methods and systems for interior piping systems

#74
20120021124
2012-01-26

Barrier coating corrosion control methods and systems for interior piping systems

#75
20110041924
2011-02-24

System of pipes for use in oil wells

#76
20100243092
2010-09-30

Methods and systems for coating and sealing inside of piping systems

#77
20100162949
2010-07-01

Methods and systems for coating and sealing inside of piping systems

#78
20100155250
2010-06-24

Synthesis of oil containing microcapsules and their use in functional composite coatings

#79
20100133324
2010-06-03

Method and apparatus for coating pipes

#80
20100047439
2010-02-25

Barrier coating corrosion control methods and systems for interior piping systems

#81
20070128353
2007-06-07

Methods and systems for coating and sealing inside piping systems

#82
20060196419
2006-09-07

Method and system for coating sections of internal surfaces

#83
20060127622
2006-06-15

System of pipes for use in oil wells

#84
20060118468
2006-06-08

Method for reducing the amount of sulfur pick-up by hydrocarbon streams transported through a pipeline

#85
20060012164
2006-01-19

Method and apparatus for protecting conduit systems

#86
18737363
2025-04-08

Insulated drill pipes and processes of making and using same

#87
17968859
2025-02-18

Methods and inspection detectable composite repair materials for pipeline repairs

#88
14286864
2017-05-09

Threaded coupling