ClassID:

153410

F16L55/164 - 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 inside the pipe a sealing fluid being introduced in the pipe

Recent Application in this class:
#1
20260153182
2026-06-04

SEALANT INJECTION UNIT FOR DUCT SEALING SYSTEM

#2
20220178489
2022-06-09

METHODS AND SYSTEMS FOR SEALING A SERVICE PIPE

#3
20220178486
2022-06-09

METHODS AND SYSTEMS FOR SEALING A PREMISE-SIDE PIPE

#4
20220146035
2022-05-12

Systems and methods for sealing pipelines

#5
20220082196
2022-03-17

Expandable pipe including a liner for restoring a conduit

#6
20220065509
2022-03-03

SELF PIERCING CAN TAPPERS FOR FLUID MANAGEMENT

#7
20210088168
2021-03-25

Trenchless rehabilitation system for deformation of large diameter HDPE pipelines and method thereof

#8
20200300401
2020-09-24

Trenchless rehabilitation device for disconnects on large-diameter concrete drainage pipe and method thereof

#9
20200200315
2020-06-25

Expandable pipe including a liner for restoring a conduit

#10
20200199967
2020-06-25

Sealing element

#11
20200124223
2020-04-23

Plugging undesired openings in fluid conduits

#12
20200041060
2020-02-06

Tool And Method For Additive Introduction Into Closed Systems

#13
20190293222
2019-09-26

Internal lining for pipe surfaces and method of lining pipes

#14
20190257464
2019-08-22

Pipeline repair

#15
20190226623
2019-07-25

Method for sealing pipelines using a gel pig

#16
20190226622
2019-07-25

Pipe Lining Apparatus Umbilical Supply Train

#17
20190226621
2019-07-25

Pipe lining apparatus material casting assembly

#18
20190226620
2019-07-25

Pipe lining apparatus transport assemblies

#19
20190226619
2019-07-25

Systems, compositions and methods for curing leakages in pipes

#20
20190226618
2019-07-25

Systems, compositions and methods for curing leakages in pipes

#21
20190211958
2019-07-11

SEALING METHOD

#22
20190162352
2019-05-30

Method of reducing leak or risk of leak in pipe system

#23
20190093778
2019-03-28

Fluid injection device and method of using the same

#24
20190049053
2019-02-14

CORRUGATED METAL PIPE REPAIR SYSTEM AND METHOD

#25
20180346638
2018-12-06

Delayed curing resin composition

#26
20180179328
2018-06-28

Delayed curing resin composition

#27
20180149300
2018-05-31

Internal Lining for Pipe Surfaces and Method of Lining Pipes

#28
20180141083
2018-05-24

Processes for coating the interior surfaces of nonmetal materials

#29
20180106411
2018-04-19

Pipeline repair

#30
20180003330
2018-01-04

Systems and method for sealing pipelines using a gel pig

#31
20170363245
2017-12-21

Method for sealing pipelines using a gel pig

#32
20170363244
2017-12-21

Systems, compositions, and methods for curing leakages in pipes

#33
20170248265
2017-08-31

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

#34
20170234476
2017-08-17

Re-lined pipe technique for wear mitigation in slurry transport pipeline

#35
20170219155
2017-08-03

Expandable pipe including a liner for restoring a conduit

#36
20170145273
2017-05-25

LEAK REPAIR COMPOSITIONS AND METHODS

#37
20170122481
2017-05-04

Pipeline repair

#38
20170074746
2017-03-16

Methods for detection, marking and sealing leaks in pipes or ducts

#39
20170023167
2017-01-26

Corrugated metal pipe repair system and method

#40
20170016568
2017-01-19

Method for rehabilitating a pipe

#41
20160340543
2016-11-24

Method for coating pipe with acid-curable resin and acid curing agent

#42
20160230917
2016-08-11

Apparatus for delivering material to a pipe

#43
20160199879
2016-07-14

Method to line pipe homogeneously

#44
20160178107
2016-06-23

SEALANT HOSE AND METHOD OF USE

#45
20160061374
2016-03-03

Method for the rehabilitation of a pipeline, application device and read-out device

#46
20150217323
2015-08-06

Pipeline pig and method for using the pig

#47
20150140228
2015-05-21

RE-LINED PIPE TECHNIQUE FOR WEAR MITIGATION IN SLURRY TRANSPORT PIPELINE

#48
20150027577
2015-01-29

APPARATUS AND METHOD FOR SUPPORTING A REHABILITATION PIPE

#49
20150024140
2015-01-22

Resin coating layer and life-extension method for piping

#50
20120080114
2012-04-05

DUCT LEAKAGE CONTROL

#51
20120067447
2012-03-22

Method and compositions for delivery of a concentrated quantity of sealing elements to a leak site in a vessel

#52
20110318111
2011-12-29

Method for repairing a damaged sewage pipeline without digging a trench

#53
20110221137
2011-09-15

SEALING METHOD AND APPARATUS

#54
20110198812
2011-08-18

Leak sealing apparatus

#55
20110024988
2011-02-03

METHOD OF SEALING A LEAK

#56
20110024515
2011-02-03

Method and apparatus for lining a conduit

#57
20100304024
2010-12-02

Working process for the treatment of an interior of a pipework system as well as a subdistributor and a working equipment for the treatment of a pipework system

#58
20100294513
2010-11-25

Method of expanding a tubular element in a wellbore

#59
20100266764
2010-10-21

METHOD AND COMPOSITION SUITABLE FOR COATING DRINKING WATER PIPELINES

#60
20100243092
2010-09-30

Methods and systems for coating and sealing inside of piping systems

#61
20100189895
2010-07-29

Method for coating the inner walls of pipes and device suitable therefor

#62
20100162949
2010-07-01

Methods and systems for coating and sealing inside of piping systems

#63
20100130109
2010-05-27

System and method for restoring water supply pipes in buildings

#64
20100018598
2010-01-28

Conduit repair structure

#65
20090136661
2009-05-28

Internally coating a pipe or a piping system

#66
20080193221
2008-08-14

Reinforcing Materials For Repairing Underground Water Pipeline Without Excavation And Method For Repairing Thereof

#67
20080047624
2008-02-28

Installation of sealant materials for repair of underground conduits

#68
20080023091
2008-01-31

Method for sealing a conduit and composition for use therein

#69
20070128353
2007-06-07

Methods and systems for coating and sealing inside piping systems

#70
20070001030
2007-01-04

Method and apparatus for duct sealing using a clog-resistant insertable injector

#71
20060099905
2006-05-11

Method for reconditioning air conveying or processing ducts

#72
20060018967
2006-01-26

Method for treating pipelines

#73
20050284530
2005-12-29

Duct seepage reduction

#74
15295381
2018-02-27

Delayed curing resin composition