ClassID:

153406

F16L55/1612 - 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 by means of a plug

Recent Application in this class:
#1
20260085780
2026-03-26

DEVICE FOR INSERTING A LEAK CONTROL PLUG INTO A LEAK, LEAK CONTROL PLUG NUT, AND METHOD FOR INSERTING A LEAK CONTROL PLUG IN A LEAK

#2
20250092980
2025-03-20

PIPE INSTALLATION SYSTEM

#3
20240301982
2024-09-12

EXPANSION PLUG AND SYSTEM AND METHOD EMPLOYING SAME

#4
20240093824
2024-03-21

Patch Plug Assemblies and Methods of Sealing Tubulars

#5
20230279981
2023-09-07

TEMPORARY TRAP DOOR CAP

#6
20230258292
2023-08-17

SEALING DEVICE FOR PLUGGING A LEAK IN THE WALL OF A PIPE OR OF A TANK COMPRISING A PART FOR DRILLING AND A PART FOR TAPPING AND SEALING METHOD

#7
20230175629
2023-06-08

Plugging pinhole leaks in flowlines

#8
20220290794
2022-09-15

Patch plug assemblies and methods of sealing tubulars

#9
20220074537
2022-03-10

Temporary trap door cap

#10
20200199967
2020-06-25

Sealing element

#11
20200124223
2020-04-23

Plugging undesired openings in fluid conduits

#12
20200109809
2020-04-09

Plugging undesired openings in fluid vessels

#13
20190304612
2019-10-03

Mechanical seal assembly and method for sealing an opening in a nuclear power plant

#14
20190277436
2019-09-12

Copper plumbing pinhole prevention; pinhole repair and protection for long life of copper plumbing

#15
20190226619
2019-07-25

Systems, compositions and methods for curing leakages in pipes

#16
20190226618
2019-07-25

Systems, compositions and methods for curing leakages in pipes

#17
20190195413
2019-06-27

Leak-sealing device and method and system for sealing a leak

#18
20190093812
2019-03-28

Hole plug for waste water

#19
20190072224
2019-03-07

Tool for working on the wall of a pipe and related method

#20
20190072223
2019-03-07

Tool for working on the wall of a pipe and related method

#21
20170363244
2017-12-21

Systems, compositions, and methods for curing leakages in pipes

#22
20170009929
2017-01-12

Tool for working on the wall of a pipe and related method

#23
20160178110
2016-06-23

ANTI-LEAKAGE DEVICE

#24
20140338772
2014-11-20

Active sealing member

#25
20130241159
2013-09-19

Sealing device and method

#26
20120222756
2012-09-06

Device and method for the plugging of services in conduits

#27
20120192496
2012-08-02

Rupture sealing device

#28
20110232793
2011-09-29

Wedge type plug and method of plugging a lateral line

#29
20110203694
2011-08-25

Repair system and method

#30
20100154913
2010-06-24

Repair apparatus and method for pipe and fittings

#31
20100078895
2010-04-01

Device and method for the plugging of services in conduits

#32
20070284011
2007-12-13

Methods for sealing and isolating pipelines

#33
20070261751
2007-11-15

Lateral interface device with flexible housing

#34
20050065660
2005-03-24

Method for repairing an oil or gas pipeline

#35
16944142
2022-05-31

Patch plug assemblies and methods of sealing tubulars

#36
15864251
2020-01-14

Bypass bridge for fluid lines