ClassID:

153440

F16L55/32 - CPC Classification

Classification description:

Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means; Constructional aspects of the propulsion means, e.g. towed by cables being self-contained

Sub-classes:
Recent Application in this class:
#1
20260139787
2026-05-21

PIPE INSPECTION CAMERA SYSTEM

#2
20260139786
2026-05-21

ROBOTIC INLINE PIPE INSPECTION SYSTEM & APPARATUS

#3
20260029079
2026-01-29

CONTROL SYSTEM AND METHODS FOR ADJUSTING TRACTION OF A PIPE NAVIGATION APPARATUS

#4
20250290591
2025-09-18

TOOL CARRIER COMPRISING A WHEEL DRIVING MODULE, AND TOOL CARRIER TRAIN

#5
20250224068
2025-07-10

AUTONOMOUS IN-FLUID ROBOTIC SYSTEM

#6
20250198558
2025-06-19

INTELLIGENT ROBOT FOR LONG-DISTANCE DETECTION IN DRAINAGE DEEP TUNNEL

#7
20250189067
2025-06-12

TRACTION SYSTEM FOR MOVING A ROBOT AND ITS UMBILICAL CABLE INSIDE PIPELINES IMPLEMENTED IN A ROBOTIC SYSTEM, AND METHOD FOR MANUFACTURING AN ELASTIC CYLINDER WITH HELICAL PROJECTIONS FOR THE TRACTION SYSTEM

#8
20250180152
2025-06-05

DEFORMABLE TRACKED PIPELINE ROBOT AND DIFFERENTIAL TURNING METHOD THEREOF

#9
20250172230
2025-05-29

360-Degree Sensor Body for In-Pipe Robot System

#10
20250075779
2025-03-06

Gear system for drive arm of tractor

#11
20250060065
2025-02-20

INSPECTION ROBOT

#12
20250052356
2025-02-13

ROBOTS FOR WATER TUNNEL INSPECTION AND SYSTEMS THEREOF

#13
20250043899
2025-02-06

PIPELINE INSPECTION SYSTEM

#14
20240392910
2024-11-28

TURBINE POWERED PIPELINE INTERVENTION GADGET

#15
20240353049
2024-10-24

PIPELINE INSPECTION ROBOT WITH CRISSCROSS STRUCTURE-CHANGEABLE CRAWLER BELTS AND CONTROL METHOD THEREOF

#16
20240317337
2024-09-26

Continuously Variable Helical Transmission System

#17
20240230009
2024-07-11

IMPROVEMENTS IN PIPELINE RELINING

#18
20240198398
2024-06-20

Apparatus and method for internal cleaning of a pipeline

#19
20240133503
2024-04-25

Pipeline relining

#20
20240102619
2024-03-28

METHOD AND INTERNET OF THINGS SYSTEM FOR SMART GAS PIPELINE TRANSPORTATION PERFORMANCE PREDICTION

#21
20240093825
2024-03-21

Motorized apparatus including wheels

#22
20240092193
2024-03-21

Generating power with a conduit inspection tool

#23
20240052962
2024-02-15

SYSTEM FOR TRACTION INSIDE PIPES, WITH FLEXIBLE RESERVOIR AND WITH MOTORIZED PUMP FOR HYDRAULIC POWER

#24
20240044437
2024-02-08

PIPE INSPECTION DEVICES AND SYSTEMS, AND METHODS OF USING SAME

#25
20230280146
2023-09-07

INTERNAL INSPECTION DEVICE FOR DETERMINING A LENGTH OF A TUBULAR GOOD

#26
20230258293
2023-08-17

DRIFTING DEVICE AND METHOD FOR TUBULAR GOODS

#27
20230243457
2023-08-03

Systems and methods for maintaining structures

#28
20230243456
2023-08-03

Motorized apparatus including wheels

#29
20230243455
2023-08-03

Motorized apparatus for pipe inspection and repair

#30
20230204146
2023-06-29

IMPROVED ROBOTIC INLINE PIPE INSPECTION SYSTEM & APPARATUS

#31
20230194035
2023-06-22

Crawler for conduit line and grade inspection

#32
20230160518
2023-05-25

INSPECTION TOOL

#33
20230158900
2023-05-25

Generating power with a conduit inspection tool

#34
20230128262
2023-04-27

Modular Robotic Inspection System

#35
20230113354
2023-04-13

Robotic tools for tubulars repair

#36
20230094640
2023-03-30

Methods and Internet of Things systems for smart gas pipeline life prediction based on safety

#37
20230072870
2023-03-09

Systems and methods for an amphibious submersible for pipe interior and wall inspection

#38
20230065362
2023-03-02

PIPELINE SUSPENSION INSPECTING GAUGE

#39
20230003330
2023-01-05

Pipeline inspection system with scale removing feature

#40
20220410374
2022-12-29

Robotic apparatus

#41
20220371038
2022-11-24

SPRAY COATING SYSTEM AND METHOD

#42
20220357284
2022-11-10

System and method for internal coating of offshore pipeline weld joints with fluorescent anti-corrosion coatings and wet inspection

#43
20220317070
2022-10-06

PIG INCLUDING AN X-RAY FLUORESCENCE SENSOR

#44
20220316643
2022-10-06

INSPECTION ROBOT

#45
20220307643
2022-09-29

Carrier assembly systems, methods, and apparatus for repairing pipes in situ

#46
20220268393
2022-08-25

Pipeline Inspection Device

#47
20220268392
2022-08-25

Pipeline Inspection Device

#48
20220242505
2022-08-04

Surface traversing engine

#49
20220213999
2022-07-07

Stop and go pig

#50
20220136637
2022-05-05

Maneuverable pipeline inspection device

#51
20220120370
2022-04-21

MODULAR ROBOT FOR PIPELINE ISOLATION AND TESTING

#52
20220057040
2022-02-24

Pipe interior inspection robot

#53
20220034456
2022-02-03

Device and method for detecting and ablating hydrates in natural gas pipeline

#54
20220026009
2022-01-27

Tool for intervention on the wall of a fluid pipe, with motorized rollers

#55
20220001548
2022-01-06

Automation in a robotic pipe coating system

#56
20210372792
2021-12-02

Method of measuring slope of drainpipe

#57
20210356081
2021-11-18

Wireless communication system and communication method for cableless detection robot for gas pipeline

#58
20210356066
2021-11-18

Pipeline-Inspecting Device

#59
20210324991
2021-10-21

INSPECTION METHOD AND INSPECTION VEHICLE

#60
20210310597
2021-10-07

Pipe robot

#61
20210285591
2021-09-16

Systems and methods for an amphibious submersible for pipe interior and wall inspection

#62
20210285306
2021-09-16

Robotic pigging tool

#63
20210245210
2021-08-12

Apparatus and method for internal cleaning of a pipeline

#64
20210190252
2021-06-24

TWO-WHEELED PIPE CRAWLER

#65
20210162447
2021-06-03

Air purging apparatus for a coater

#66
20210095810
2021-04-01

Passive alignment mechanism for off-centered probe deployment

#67
20210025536
2021-01-28

Systems and methods for maintaining pipes

#68
20210025535
2021-01-28

Systems and methods for maintaining pipes

#69
20210025534
2021-01-28

Systems and methods for maintaining pipes

#70
20210025533
2021-01-28

Systems and methods for maintaining pipes

#71
20210010628
2021-01-14

Pipeline radar and television inspection robot

#72
20210003242
2021-01-07

Free running pig for pipeline remediation

#73
20200402279
2020-12-24

Managing infrastructure data

#74
20200384512
2020-12-10

Single-drive bidirectional-crawling pipe-cleaning robot

#75
20200332606
2020-10-22

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

#76
20200300053
2020-09-24

Operational system for launching, managing and controlling a robot autonomous unit (RAU) for operations in oil and gas wells and method of well logging

#77
20200132242
2020-04-30

SELF DRIVEN PIG

#78
20190344390
2019-11-14

Mobile Weld Inspection Carriage

#79
20190331284
2019-10-31

Method of active freewheel control of a remote-operated pipe crawler vehicle

#80
20190226622
2019-07-25

Pipe Lining Apparatus Umbilical Supply Train

#81
20190226621
2019-07-25

Pipe lining apparatus material casting assembly

#82
20190226620
2019-07-25

Pipe lining apparatus transport assemblies

#83
20190219216
2019-07-18

Internal pipe lining system having self-propelled, self-powered propulsion devices

#84
20190219215
2019-07-18

MOBILE ROBOTIC DEVICE WITH IMPROVED ARCHIMEDEAN SCREW PROPULSION MECHANISM

#85
20190178433
2019-06-13

MAINTENANCE OF DRILLING RISERS

#86
20190156531
2019-05-23

Server-based management of robotic pipe inspection data and analysis reports

#87
20190120418
2019-04-25

Pipe pig

#88
20180363828
2018-12-20

Pipeline robot capable of steering actively

#89
20180326679
2018-11-15

Taping apparatus, system and method for pipe lining applications

#90
20180326443
2018-11-15

Self-propelled internal pipe lining system having multiple propulsion devices

#91
20180313715
2018-11-01

PIPELINE INSPECTION ROBOT

#92
20180119868
2018-05-03

Pipe-inspection device propelled by an Archimedes screw

#93
20180088043
2018-03-29

Method and apparatus for pipe imaging with chemical analysis

#94
20180085798
2018-03-29

Mobile jetter and pipe inspection robot

#95
20180022022
2018-01-25

Method and apparatus for additive mechanical growth of tubular structures

#96
20170198854
2017-07-13

WATER PIPE DRONE FOR DETECTING AND FIXING LEAKS

#97
20170191601
2017-07-06

Pipeline Inspection Device

#98
20160310223
2016-10-27

Vehicle for navigating within an enclosed space

#99
20160223123
2016-08-04

Robot for inspection of pipeline using multi-output differential module

#100
20160171442
2016-06-16

Managing infrastructure data

#101
20160136700
2016-05-19

Pig segment and pig

#102
20160123517
2016-05-05

In-pipe moving apparatus

#103
20160031155
2016-02-04

Method and apparatus for additive mechanical growth of tubular structures

#104
20150375276
2015-12-31

Pipe pig

#105
20150330860
2015-11-19

Piping inspection robot and method of inspecting piping

#106
20150316195
2015-11-05

System and method for pipeline maintenance

#107
20150300554
2015-10-22

Actively driven spiral pipeline robot

#108
20150285424
2015-10-08

Intraductal power vehicle

#109
20150240984
2015-08-27

Pipe crawler apparatus and method for internal pipe inspection

#110
20150152992
2015-06-04

Brake mechanism of robot using multi-output differential gear

#111
20150122364
2015-05-07

Systems and methods for pipeline device propulsion

#112
20150107485
2015-04-23

In-pipe traveling apparatus and traveling module

#113
20140290763
2014-10-02

Controllable normal force mechanism with minimum energy consumption

#114
20140216587
2014-08-07

Pipeline leak detection and repair device

#115
20140020594
2014-01-23

Propulsion device

#116
20140020593
2014-01-23

Pipeline tool

#117
20130328290
2013-12-12

Adaptable vehicle

#118
20120183114
2012-07-19

METHOD AND APPARATUS FOR TESTING AN ANNULAR WELD ON A MAIN COOLANT LINE CONNECTED TO A REACTOR PRESSURE VESSEL OF A NUCLEAR POWER PLANT

#119
20110253470
2011-10-20

Drive unit for a vehicle for use as a robot in pipe systems, cavities or the like and a vehicle having same

#120
20110097486
2011-04-28

Method of spray lining a pipe with an environmentally compatible impervious membrane

#121
20110011299
2011-01-20

INTERNAL CONDUIT VEHICLE AND METHOD FOR PERFORMING OPERATIONS IN A PIPELINE

#122
20100145143
2010-06-10

Vibrating robotic crawler

#123
20090276094
2009-11-05

Apparatus And Method For An Autonomous Robotic System For Performing Activities In A Well

#124
20080275594
2008-11-06

Apparatus And Method For An Autonomous Robotic System For Performing Activities In A Well

#125
20080245258
2008-10-09

Pressure-balanced electric motor wheel drive for a pipeline tractor

#126
20080164079
2008-07-10

Serpentine robotic crawler

#127
20080098834
2008-05-01

Apparatus for transporting and positioning an inspection device within a walled cavity

#128
20080012310
2008-01-17

Automatic self-centering duct robot

#129
20070276552
2007-11-29

Underwater crawler vehicle having search and identification capabilities and methods of use

#130
20070214994
2007-09-20

Pipeline traverse apparatus

#131
20070199383
2007-08-30

Pipeline Integrity Analysis Using an In-Flow Vehicle

#132
20070000406
2007-01-04

Self-propelled vehicle for movement within a tubular member

#133
20060290779
2006-12-28

Autonomous inspector mobile platform

#134
20060011397
2006-01-19

Remote control vehicle with UV sterilizer

#135
20050288819
2005-12-29

Apparatus and method for an autonomous robotic system for performing activities in a well

#136
20050229342
2005-10-20

Tractors for movement along a pipeline within a fluid flow

#137
20050115337
2005-06-02

Device and method for inspecting inside of underground pipe line and method of inspecting concrete on inside of underground pipe line for deterioration

#138
20050104600
2005-05-19

Vehicle for inspecting a pipe

#139
19205082
2026-02-03

Power apparatus for pipeline endoscope device, pipeline endoscope device, and pipeline inspection system

#140
18862659
2025-07-29

Pipe navigation apparatus with collapsible drive assembly

#141
18323989
2023-10-17

Intelligent maintenance and repair robot for small diameter and small flow oil and gas pipelines and method thereof

#142
18228353
2024-04-02

Transformable swarm robots for pipe inspection and maintenance

#143
17750795
2023-02-14

Multifunctional light-duty soft robot