ClassID:

153532

F16L2101/12 - CPC Classification

Classification description:

Uses or applications of pigs or moles; Treating the inside of pipes Cleaning

Recent Application in this class:
#1
20260085781
2026-03-26

VELOCITY CONTROL TOW PIG

#2
20250305618
2025-10-02

INSPECTION TOOL AND METHODS FOR LOCATING AND REMOVING OBSTRUCTIONS FROM A CHANNEL

#3
20250277433
2025-09-04

ZERO FLARING OPERATIONS USING NON-METALLIC PIPES

#4
20250271108
2025-08-28

METHODS AND INTERNET OF THINGS (IOT) SYSTEMS FOR PIPELINE BLOCKAGE POINT LOCALIZATION OF SMART GAS AND MEDIA

#5
20250237341
2025-07-24

APPARATUS, KIT, AND METHOD FOR PIPE CENTRALIZERS

#6
20250198558
2025-06-19

INTELLIGENT ROBOT FOR LONG-DISTANCE DETECTION IN DRAINAGE DEEP TUNNEL

#7
20250144646
2025-05-08

SWITCHER NOZZLE HIGH EFFICIENCY FLOW INSERT

#8
20250109817
2025-04-03

JETTING-BASED PIPELINE SCRAPER

#9
20250092981
2025-03-20

Method of cleaning pipeline interior with self-destructive cleaning device

#10
20250067381
2025-02-27

REMOVING SCALE FROM A PIPELINE

#11
20250043899
2025-02-06

PIPELINE INSPECTION SYSTEM

#12
20240240968
2024-07-18

ODOMETER AND INSPECTION AND/OR CLEANING DEVICE

#13
20240229428
2024-07-11

WATER MAIN FLUSHING WITH HIGH PRESSURE JETTING AND DIRECTIONAL CONTROL AND REVERSE FLOW MANIFOLD FOR A WATER MAIN FLUSHING SYSTEM

#14
20240200664
2024-06-20

Seal element for a pipeline pig

#15
20240198398
2024-06-20

Apparatus and method for internal cleaning of a pipeline

#16
20240092193
2024-03-21

Generating power with a conduit inspection tool

#17
20240019070
2024-01-18

PIPE-OR DUCT PROBE AND SYSTEM COMPRISING PIPE-OR DUCT PROBE

#18
20230400140
2023-12-14

MULTI-DIAMETER CLEANING PIG

#19
20230383892
2023-11-30

System And Method For Cleaning And/Or Inspecting A Pipeline

#20
20230330718
2023-10-19

Method and apparatus for cleaning and inspecting oil well drilling mud flow lines

#21
20230287782
2023-09-14

Non-Intrusive Tracking Of Objects And Fluids In Wellbores

#22
20230279984
2023-09-07

CLEANING MODULE FOR A PIPELINE INSPECTION GAUGE

#23
20230264236
2023-08-24

VERTICAL PIPE CLEANING SYSTEM AND METHOD

#24
20230234109
2023-07-27

Pipe Oxidation Removal Tool

#25
20230220944
2023-07-13

Non-Intrusive Tracking Of Objects In Pipelines And Wellbores

#26
20230194314
2023-06-22

Sensor apparatus having an embedded optical interrogator

#27
20230158900
2023-05-25

Generating power with a conduit inspection tool

#28
20230124266
2023-04-20

Systems and methods for decoking a coker furnace during a delayed coking process

#29
20230118899
2023-04-20

PIG LAUNCH AND RECOVERY APPARATUS AND PIG THEREFOR

#30
20230078637
2023-03-16

Cleaning assembly for a tubular drag conveyor

#31
20230003330
2023-01-05

Pipeline inspection system with scale removing feature

#32
20230003329
2023-01-05

Inspection or cleaning pig

#33
20220347707
2022-11-03

Extension Sleeve for a Camera Adapter and Pipe Cleaning Nozzle and/or Inspection Nozzle with Extension Sleeve

#34
20220317070
2022-10-06

PIG INCLUDING AN X-RAY FLUORESCENCE SENSOR

#35
20220305532
2022-09-29

Cleaning coke deposits from process equipment

#36
20220282838
2022-09-08

SLUG FLOW ELIMINATION IN MULTIPHASE FLOW PIPELINES USING MULTIPLE STATIC MIXERS

#37
20220268391
2022-08-25

Pipeline sphere with tracking device

#38
20220214001
2022-07-07

Method for positioning and/or communicating with a pig

#39
20220213999
2022-07-07

Stop and go pig

#40
20220120372
2022-04-21

Slippage detection

#41
20220112976
2022-04-14

Drain pipe treatment systems and related methods

#42
20220080473
2022-03-17

Pipeline pigging apparatus and methods of use

#43
20220062923
2022-03-03

Switcher nozzle high efficiency flow insert

#44
20220026010
2022-01-27

Diverting pigs in a pipeline or piping system

#45
20220018483
2022-01-20

PIPELINE SCRAPER ASSEMBLIES INCLUDING WEAR INDICATORS AND METHODS FOR USING THE SAME

#46
20210396342
2021-12-23

Intervention drive system comprising an umbilical

#47
20210396341
2021-12-23

Pipeline water remediation based on upstream process operating parameters

#48
20210381218
2021-12-09

Sewer Equipment Cleaning Systems

#49
20210379633
2021-12-09

Flexible and extendable conduit descaling article

#50
20210364118
2021-11-25

Apparatus and method for loading a pig into a pipeline

#51
20210324992
2021-10-21

Cleaning assembly for a tubular drag conveyor

#52
20210291238
2021-09-23

Transmission array for drain cleaner

#53
20210245210
2021-08-12

Apparatus and method for internal cleaning of a pipeline

#54
20210245207
2021-08-12

Pipe cleaning and/or pipe inspection nozzle including extension sleeve

#55
20210239253
2021-08-05

Expander with accessories to adjust nominal size

#56
20210238963
2021-08-05

Hydrocarbon production field layout

#57
20210222818
2021-07-22

SYSTEM FOR MAINTAINING CONDUITS AND PIPES IN A PIPELINE SYSTEM

#58
20210187569
2021-06-24

Pipe oxidation removal tool

#59
20210164601
2021-06-03

Integral dual cleaner camera drum systems and methods

#60
20210162471
2021-06-03

Cleaning coke deposits from process equipment

#61
20210131090
2021-05-06

Method and device for cleaning sewer pipeline

#62
20210087797
2021-03-25

Water main flushing with high pressure jetting and directional control

#63
20210086241
2021-03-25

Water main flushing with high pressure jetting

#64
20210062953
2021-03-04

CONCRETE PUMP HOSE CLEANING DEVICE

#65
20210025536
2021-01-28

Systems and methods for maintaining pipes

#66
20210025535
2021-01-28

Systems and methods for maintaining pipes

#67
20210025534
2021-01-28

Systems and methods for maintaining pipes

#68
20210025533
2021-01-28

Systems and methods for maintaining pipes

#69
20210003242
2021-01-07

Free running pig for pipeline remediation

#70
20200386362
2020-12-10

Multi-diameter foam pig

#71
20200384512
2020-12-10

Single-drive bidirectional-crawling pipe-cleaning robot

#72
20200363018
2020-11-19

Non-intrusive pipe wall diagnostics

#73
20200347980
2020-11-05

Subsea pig launchers

#74
20200332606
2020-10-22

DEVICE FOR CENTRING AND/OR PULLING A TOOL IN A PIPELINE

#75
20200261925
2020-08-20

Switcher nozzle high efficiency flow insert

#76
20200256500
2020-08-13

Pipeline sphere with tracking device

#77
20200254496
2020-08-13

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

#78
20200166172
2020-05-28

Ultraviolet curing pipeline repair robot and system

#79
20200130030
2020-04-30

Methods for use in the treatment of a pipeline

#80
20200114371
2020-04-16

High pressure fluid spray nozzle incorporating a flow controlled switching valve

#81
20200080678
2020-03-12

PIPELINE SYSTEM

#82
20200063879
2020-02-27

Bypass valve and pig having a bypass valve

#83
20200030859
2020-01-30

DISSOLVABLE PIPELINE PIG AND METHODS FOR USING

#84
20200018445
2020-01-16

System and method for infrastructure and asset management

#85
20200018435
2020-01-16

Pipeline plug

#86
20190323645
2019-10-24

Water pipe inspection robot and method of traversing a water pipe

#87
20190316727
2019-10-17

Manipulator apparatus for processing pressure vessels

#88
20190301660
2019-10-03

Drain pipe treatment systems and related methods

#89
20190299235
2019-10-03

LIQUID DISTRIBUTION SYSTEM AND METHOD

#90
20190293241
2019-09-26

Non-intrusive pipe wall diagnostics

#91
20190264994
2019-08-29

Tube cleaning gun with self-sealing nozzle

#92
20190226625
2019-07-25

Pig for pipelines

#93
20190224726
2019-07-25

Cleaning coke deposits from process equipment

#94
20190219214
2019-07-18

Nondestructive pipe refurbishment using liner pipe sections

#95
20190154184
2019-05-23

NONDESTRUCTIVE PIPE REFURBISHMENT USING LINER PIPE SECTIONS

#96
20190143383
2019-05-16

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

#97
20190137029
2019-05-09

Apparatus and method for loading a pig into a pipeline

#98
20190113170
2019-04-18

Multi-diameter foam pig

#99
20190078722
2019-03-14

Pipeline pig launcher

#100
20190078718
2019-03-14

Pipeline plug

#101
20190049198
2019-02-14

Multi-Nozzle Mechanical Tube Cleaning System

#102
20190024837
2019-01-24

Apparatus for launching and receiving a pig into or from a pipeline

#103
20180363996
2018-12-20

Conduit pig

#104
20180363830
2018-12-20

Method of providing a latch for pipeline remediation

#105
20180266616
2018-09-20

Pusher box for nondestructive pipe refurbishment in confined spaces

#106
20180259112
2018-09-13

VALVE WITH QUICK LOADER ACCESS PORT SYSTEM AND METHOD

#107
20180180365
2018-06-28

SYSTEM FOR INTERCEPTING AND COLLECTING CLEANING BODIES BY ALTERNATING SWEEPING

#108
20180180214
2018-06-28

Pig for a coating device, and coating system

#109
20180149301
2018-05-31

PIG AND PIGGING METHODS FOR GAS PIPELINES

#110
20180141091
2018-05-24

ELECTROMAGNETIC PIG FOR OIL AND GAS PIPELINES

#111
20180085798
2018-03-29

Mobile jetter and pipe inspection robot

#112
20180036778
2018-02-08

Systems, devices, controllers, and methods for use in the treatment of a pipeline

#113
20180015512
2018-01-18

Pipe cleaning device with camera

#114
20170336032
2017-11-23

Use of metal silicides in hydrocarbon production and transportation

#115
20170315065
2017-11-02

PIPE INSPECTION SYSTEM WITH JETTER PUSH-CABLE

#116
20170312796
2017-11-02

Cleaning coke deposits from process equipment

#117
20170312776
2017-11-02

Pig system

#118
20170304880
2017-10-26

Microbot pigging system and method

#119
20170284591
2017-10-05

Variable speed pipeline pig with internal flow cavity

#120
20170284590
2017-10-05

Variable speed pipeline pig with internal flow cavity

#121
20170234489
2017-08-17

Use of metal silicides in hydrocarbon production and transportation

#122
20170197224
2017-07-13

Liquid distribution system and method

#123
20170160507
2017-06-08

ENHANCED DUCTS AND DUCT BANK SYSTEMS

#124
20170128989
2017-05-11

Methods and apparatus for clearing obstructions with a jetter push-cable apparatus

#125
20170081834
2017-03-23

Sewer line root cleaning and repair system

#126
20160363249
2016-12-15

Pipeline pig launch apparatus

#127
20160346814
2016-12-01

Conduit cleaning article

#128
20160319980
2016-11-03

Aseptic pipeline pig with identification means

#129
20160310998
2016-10-27

Pipeline pig with hydraulically balanced collapsible sealing elements

#130
20160310996
2016-10-27

Apparatus and methods for cleaning an ocean bottom cable

#131
20160310223
2016-10-27

Vehicle for navigating within an enclosed space

#132
20160305891
2016-10-20

Pipe inspection system with jetter push-cable

#133
20160256903
2016-09-08

System for maintaining conduits and pipes in a pipeline system

#134
20160238184
2016-08-18

Collar for an inspection or cleaning pig

#135
20160238182
2016-08-18

UNDERGROUND PIPE REFURBISHMENT VIA SEPARATION OF EXPANDED LONGITUDINAL CUT

#136
20160167189
2016-06-16

Device and arrangement for milling inner surface of pipe

#137
20160167094
2016-06-16

Pig, in particular inspection or cleaning pig

#138
20160091115
2016-03-31

Repairing a wet buckle in a pipeline

#139
20160018044
2016-01-21

Systems for maintaining a functional line for conveying fluid and pig assemblies for use therein

#140
20160001337
2016-01-07

Microbot pigging system

#141
20150360265
2015-12-17

Knuckle-jointed lance segments with an exterior protective system

#142
20150298181
2015-10-22

Method and clean-in-place system for conveying tubes

#143
20150240985
2015-08-27

Variable speed pipeline pig with internal flow cavity

#144
20140034554
2014-02-06

Methods and fuel processing apparatuses for upgrading a pyrolysis oil stream and a hydrocarbon stream

#145
20110240058
2011-10-06

Apparatus device for removing scale in a borehole installation

#146
20110203676
2011-08-25

Pipe pig and method of cleaning a pipe

#147
20100300485
2010-12-02

Apparatus and method for cleaning pipes and pipe systems

#148
20100101610
2010-04-29

Pipeline cleaning apparatus and method

#149
20090320223
2009-12-31

Multi-diameter elastic sealing module for pigs

#150
20080184507
2008-08-07

Scraping element for a pipeline pig

#151
20080141474
2008-06-19

Device for cleaning multidiameter pipelines

#152
20080053481
2008-03-06

Installation and method for driving a submarine pipeline scraper

#153
20080012310
2008-01-17

Automatic self-centering duct robot

#154
20070177946
2007-08-02

PIPE REPAIRING SYSTEM

#155
20070028982
2007-02-08

Insertable piggable plug system

#156
20060257559
2006-11-16

METHOD AND SYSTEM FOR INSITU REPAIR OF INTERIOR WATER PIPES

#157
20060200923
2006-09-14

Hydraulically dynamic mono-pig scraper

#158
20060191559
2006-08-31

Pipeline cleaning apparatus

#159
20060185622
2006-08-24

STEAM GENERATION APPARATUS AND KIT FOR PIPE CLEARING APPLICATIONS

#160
20060011397
2006-01-19

Remote control vehicle with UV sterilizer

#161
20050284504
2005-12-29

Method for hydrate plug removal

#162
20050223510
2005-10-13

Hydraulically dynamic mono-pig scraper

#163
20050115588
2005-06-02

Device and method for transporting and delivering liquid chemical to inside natural gas pipeline

#164
20050045210
2005-03-03

Electrical pipeline remediation

#165
20050016302
2005-01-27

Traction apparatus

#166
18539265
2024-11-26

Integral dual cleaner camera drum systems and methods

#167
18121562
2025-07-29

Pipe inspection and cleaning apparatus and systems

#168
17539446
2023-01-10

Method and apparatus for cleaning and inspecting oil well drilling mud flow lines

#169
17535442
2023-03-28

Pipe inspection systems with jetter push-cable

#170
17170604
2021-12-14

Pipe inspection and cleaning apparatus and systems

#171
16158025
2022-01-11

Method and apparatus for cleaning and inspecting oil well drilling mud flow lines

#172
15728410
2019-07-23

Pipe inspection system with jetter push-cable

#173
15696142
2019-10-01

Apparatus for pipeline rehabilitation with internal bypass

#174
14879198
2016-06-28

Tube scraper projectile