Patents-Review.com
ClassID:

153446 ⎘

F16L55/44 - 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 body expandable

Recent Application in this class:
#1
20260061453
2026-03-05

Apparatus for Applying a Flowable Material to an Inner Wall of a tube

 #2
20250271005
2025-08-28

PRESSURIZED SLEEVE FOR ROUTING OF LINEAR COMPONENTS

 #3
20240384825
2024-11-21

INTERNAL DUCT INTEGRITY INSPECTION EQUIPMENT USING MAGNETIC METAL MEMORY

 #4
20240230007
2024-07-11

Pressure-Responsive, Deformable, Self-Integrating Pigging Element For Use In Pipeline Pigging Applications

 #5
20240151343
2024-05-09

PIPE NAVIGATION APPARATUS WITH BYPASS FLUID CHANNEL

 #6
20240052964
2024-02-15

FLEXIBLE ADAPTIVE LARGE LENGTH TO THIN RATIO PIPELINE INTELLIGENT REPAIR DEVICE AND USE METHOD

 #7
20240044437
2024-02-08

PIPE INSPECTION DEVICES AND SYSTEMS, AND METHODS OF USING SAME

 #8
20230400140
2023-12-14

MULTI-DIAMETER CLEANING PIG

 #9
20230266112
2023-08-24

System and method for measuring the inside diameter of a pipe

 #10
20230194036
2023-06-22

Pipe repair

 #11
20230128262
2023-04-27

Modular Robotic Inspection System

 #12
20230078637
2023-03-16

Cleaning assembly for a tubular drag conveyor

 #13
20220371038
2022-11-24

SPRAY COATING SYSTEM AND METHOD

 #14
20220307643
2022-09-29

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

 #15
20220299150
2022-09-22

ACTIVATION SYSTEM FOR PIPELINE PLUG

 #16
20220291170
2022-09-15

Collapsible pipeline inspection tool

 #17
20220282821
2022-09-08

Robotic in-pipe inspection

 #18
20220282820
2022-09-08

Intelligent plugging robot and method for long-distance pipeline rerouting, maintaining and repairing construction

 #19
20220268391
2022-08-25

Pipeline sphere with tracking device

 #20
20220178484
2022-06-09

Activation system for pipeline plug

 #21
20220136637
2022-05-05

Maneuverable pipeline inspection device

 #22
20220120370
2022-04-21

MODULAR ROBOT FOR PIPELINE ISOLATION AND TESTING

 #23
20220099427
2022-03-31

System and method for measuring the inside diameter of a pipe

 #24
20220082198
2022-03-17

Pipeline profiler

 #25
20210332930
2021-10-28

Caliper pig for detecting geometrical deformation of a pipeline

 #26
20210332649
2021-10-28

In-pipe passive centering mechanism with radial probe or tool deployment mechanism

 #27
20210324992
2021-10-21

Cleaning assembly for a tubular drag conveyor

 #28
20210310597
2021-10-07

Pipe robot

 #29
20210308700
2021-10-07

Automatically adjustable tool for holding a spray painting instrument for painting an infernal surface of a pipe

 #30
20210301967
2021-09-30

Mobile robot

 #31
20210301966
2021-09-30

Pressure-responsive, deformable, self-integrating pigging element for use in pipeline pigging applications

 #32
20210239253
2021-08-05

Expander with accessories to adjust nominal size

 #33
20210148504
2021-05-20

Stabilizer for a pipeline inspection device

 #34
20210025536
2021-01-28

Systems and methods for maintaining pipes

 #35
20210025535
2021-01-28

Systems and methods for maintaining pipes

 #36
20210025534
2021-01-28

Systems and methods for maintaining pipes

 #37
20210025533
2021-01-28

Systems and methods for maintaining pipes

 #38
20200393075
2020-12-17

Pipeline inspection system

 #39
20200386362
2020-12-10

Multi-diameter foam pig

 #40
20200332606
2020-10-22

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

 #41
20200262094
2020-08-20

Cutter capable of cutting away obstructions disposed on the insides of pipes ranging in diameter from approximately eight inches to approximately fifteen inches or from approximately twelve inches to approximately twenty-four inches

 #42
20200256500
2020-08-13

Pipeline sphere with tracking device

 #43
20200158276
2020-05-21

Pipe repair

 #44
20200109811
2020-04-09

Tool for holding a spray painting instrument for painting an internal surface of a pipe

 #45
20190219214
2019-07-18

Nondestructive pipe refurbishment using liner pipe sections

 #46
20190154184
2019-05-23

NONDESTRUCTIVE PIPE REFURBISHMENT USING LINER PIPE SECTIONS

 #47
20190120418
2019-04-25

Pipe pig

 #48
20190113170
2019-04-18

Multi-diameter foam pig

 #49
20190107239
2019-04-11

Large-gap-seal (“LGS”) assembly

 #50
20180326679
2018-11-15

Taping apparatus, system and method for pipe lining applications

 #51
20180266616
2018-09-20

Pusher box for nondestructive pipe refurbishment in confined spaces

 #52
20180207693
2018-07-26

Systems, devices, and/or methods for pipe pigging

 #53
20170299108
2017-10-19

FLEXIBLE PIG FOR PIPELINE MAINTENANCE

 #54
20170261147
2017-09-14

Guide for a pipeline pig

 #55
20170234474
2017-08-17

INFLATABLE BULKHEAD USEFUL IN UNDERGROUND PIPE REFURBISHMENT

 #56
20160346514
2016-12-01

Inflatable chamber device for motion through a passage

 #57
20160310998
2016-10-27

Pipeline pig with hydraulically balanced collapsible sealing elements

 #58
20160116099
2016-04-28

Heatable packer

 #59
20160018045
2016-01-21

Modular robotic assembly

 #60
20160018044
2016-01-21

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

 #61
20150375276
2015-12-31

Pipe pig

 #62
20140209126
2014-07-31

Uni-directional pipeline pig and pipeline assemblies

 #63
20140165870
2014-06-19

Travelling device for an apparatus for rehabilitating pipelines and such an apparatus

 #64
20140020782
2014-01-23

Electrical autonomous pipeline isolation tool

 #65
20110100644
2011-05-05

Pipeline tool

 #66
20100308810
2010-12-09

In-line pipe inspection tool

 #67
20100041951
2010-02-18

Inflatable chamber device for motion through a passage

 #68
20090320223
2009-12-31

Multi-diameter elastic sealing module for pigs

 #69
20090050224
2009-02-26

Inflatable plug with flange

 #70
20080163951
2008-07-10

Inflatable plug with flange

 #71
20080092672
2008-04-24

In-line pipe inspection tool

 #72
20070119006
2007-05-31

Support unit for a scraper and method for positioning the support elements of a scraper

 #73
20060130923
2006-06-22

Method and apparatus for spot repair of pipe

 #74
19205082
2026-02-03

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

 #75
18323989
2023-10-17

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

 #76
17898011
2024-04-16

Vertical pig launcher and method of using same

 #77
14697589
2017-05-23

Sewer pipe crawler