ClassID:

153431

F16L55/175 - CPC Classification

Classification description:

Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening

Recent Application in this class:
#1
20250347363
2025-11-13

Assembly to Form a Seal on a Conduit

#2
20250237340
2025-07-24

METHOD AND APPARATUS FOR TEMPORARY SEALING OF FLANGE LEAKS ON INDUSTRIAL PIPELINES

#3
20250116364
2025-04-10

SYSTEMS AND METHODS FOR PIPE REPAIR USING RAPID SINTERING

#4
20250102087
2025-03-27

APPARATUS AND METHOD FOR PIPE REPAIR

#5
20250067380
2025-02-27

DAMAGED ACCELERATOR COOLING

#6
20240309982
2024-09-19

SELF-HEALING COMPOSITE WRAP SYSTEMS AND METHODS

#7
20240271738
2024-08-15

METHOD AND APPARATUS FOR PIPELINE RISER CORROSION PROTECTION

#8
20230250913
2023-08-10

Sealant injection system for scraper trap door

#9
20230204466
2023-06-29

METHOD AND DEVICE FOR SAMPLING PRESSURE BARRIER OF FLEXIBLE PIPES

#10
20230113758
2023-04-13

MATERIAL FOR LOCATING GAS LEAK, METHOD FOR LOCATING GAS LEAK, MATERIAL FOR REPAIRING GAS LEAK, METHOD FOR REPAIRING GAS LEAK, AND DEVICE FOR REPAIRING GAS LEAK

#11
20230113354
2023-04-13

Robotic tools for tubulars repair

#12
20230099217
2023-03-30

Method of connecting extruded chopped filament pipes

#13
20230021427
2023-01-26

CASING SYSTEM AND METHOD FOR PIPELINE REINFORCEMENT AND REPAIR

#14
20220333716
2022-10-20

Clamp on seal for water leaks

#15
20220268389
2022-08-25

PRE-TIGHTENING FORCE REPAIRING METHOD, REPAIRING METHOD INVOLVING COMBINATION OF PRE-TIGHTENING FORCE AND CLAMP, AND REPAIRED PIPELINE

#16
20220186872
2022-06-16

Vent box method and appartus

#17
20220146037
2022-05-12

Systems and methods for repairing piping

#18
20220120362
2022-04-21

APPARATUS AND METHOD FOR PIPE REPAIR

#19
20220099231
2022-03-31

Modular leak repair

#20
20210207756
2021-07-08

Method of Reinforcing Pipe and Reinforced Pipe

#21
20210033238
2021-02-04

Fiber composite system and method for pipe reinforcement

#22
20210003241
2021-01-07

CASING SYSTEM AND METHOD FOR PIPELINE REINFORCEMENT AND REPAIR

#23
20200370700
2020-11-26

Clamp for repair of pipe couplings

#24
20200318774
2020-10-08

Local repair method combining internally bonded CFRP and polymer grouting for cracks in drainage pipe

#25
20200300404
2020-09-24

Detecting and repairing method for external diseases of buried drainage pipeline

#26
20200256499
2020-08-13

In-service and trenchless repair method for disconnection of drainage pipeline

#27
20200191315
2020-06-18

Fiber composite system and method for pipe reinforcement

#28
20200173598
2020-06-04

Fluid leak repair

#29
20200139453
2020-05-07

Pipeline reinstatement tool

#30
20200124224
2020-04-23

Oil leakage repairing material, oil leakage repairing method, and pipe

#31
20200063895
2020-02-27

Machine and method for repairing a pipeline in a body of water

#32
20190211960
2019-07-11

Augmentation of mechanical properties of high pressure pipe

#33
20190154183
2019-05-23

Pipe Enclosure

#34
20190049057
2019-02-14

Strengthened polyethylene tubular member

#35
20190049056
2019-02-14

METHOD FOR STRENGTHENING A POLYETHYLENE TUBULAR MEMBER

#36
20190040989
2019-02-07

Composite conical sleeve

#37
20180266613
2018-09-20

Fiber composite system and method for pipe reinforcement

#38
20180023747
2018-01-25

FLUID LEAK REPAIR

#39
20170314723
2017-11-02

Clamp for repair of pipe couplings

#40
20170314721
2017-11-02

Method for packing filler material

#41
20170261146
2017-09-14

Casing system and method for pipeline reinforcement and repair

#42
20170254442
2017-09-07

Apparatus and method for subsea liquid mixing and sampling

#43
20170234460
2017-08-17

Subsea drying system

#44
20170211742
2017-07-27

COMPOSITE STRUCTURAL REINFORCEMENT REPAIR DEVICE

#45
20160281903
2016-09-29

System and method of sealing process leaks

#46
20160169435
2016-06-16

Polymer composite grouting method for blocking leaking and sand inrush of underground pipelines

#47
20160109049
2016-04-21

Pipe connection

#48
20160102782
2016-04-14

Polymer bag grouting method for repairing settlement of underground pipelines

#49
20160010785
2016-01-14

High-strength, watertight pipe lining

#50
20160010782
2016-01-14

Clamp for repair of pipe couplings

#51
20160010780
2016-01-14

Composite structural reinforcement repair device

#52
20150241296
2015-08-27

Tool for leak point identification and new methods for identification, close visual inspection and repair of leaking pipelines

#53
20150210022
2015-07-30

Method for repairing flexible flow lines with a two-piece clamping collar and composite material

#54
20140124082
2014-05-08

Pipeline reinforcement assembly and method

#55
20130112310
2013-05-09

Pipeline reinforcement assembly and method

#56
20120325357
2012-12-27

PIPE CLAMP DEVICE

#57
20120223452
2012-09-06

Method of filling a casing

#58
20120090719
2012-04-19

System and Method of Sealing Process Leaks

#59
20120074652
2012-03-29

Delayed Curing Rubber Composition and Method

#60
20110284115
2011-11-24

Methods for Repairing a Defective Pipeline

#61
20110284114
2011-11-24

Methods for Repairing a Defective Pipeline

#62
20110203694
2011-08-25

Repair system and method

#63
20110089679
2011-04-21

Apparatus for repairing tubular members

#64
20100236654
2010-09-23

Fluid conduit with self-healing protective sleeve

#65
20100200149
2010-08-12

Method for repairing and/or strengthening of pipes

#66
20100154913
2010-06-24

Repair apparatus and method for pipe and fittings

#67
20080216938
2008-09-11

System and method for pipe repair

#68
20080092972
2008-04-24

Method of repairing a leak in a flange of a gas pipe

#69
20080048435
2008-02-28

Pipe coupling and clamp and method of application

#70
20080017263
2008-01-24

System and method for pipe repair

#71
20070107792
2007-05-17

System and method for pipe repair

#72
20070107791
2007-05-17

System and method for pipe repair

#73
20070063510
2007-03-22

Protective sleeve for pipe joint infill cladding

#74
20070018448
2007-01-25

Method of permanently repairing a pipeline section using a combination wrap and sleeve structure

#75
20060272724
2006-12-07

System and method for pipe repair using fiber wrap and polymeric resin

#76
20060269678
2006-11-30

Material-selectable, self-healing, anti-leak method for coating liquid container

#77
20060162797
2006-07-27

Sleeve with insert for repairing high-pressure fluid pipes

#78
20060137756
2006-06-29

System and method for pipe repair

#79
20060118191
2006-06-08

System and method for pipe repair

#80
20060065320
2006-03-30

Pipeline repair system and method of installation

#81
18659209
2025-11-11

Assembly to form a seal on a conduit

#82
17968859
2025-02-18

Methods and inspection detectable composite repair materials for pipeline repairs

#83
17182314
2021-12-14

Multi-layer pipe tubing repair systems and methods

#84
16277241
2019-07-30

Pipeline reinstatement tool