ClassID:

153399

F16L55/13 - CPC Classification

Classification description:

Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable introduced axially into the pipe or hose the closure device being a plug fixed by plastic deformation

Recent Application in this class:
#1
20250320925
2025-10-16

Locking Mechanism for Sealing Member of Valve with Bleeding Opening

#2
20250312901
2025-10-09

SYSTEM AND METHOD FOR INSTALLING A MANIFOLD PLUG

#3
20250312900
2025-10-09

SYSTEM AND METHOD FOR INSTALLING A MANIFOLD PLUG

#4
20250205865
2025-06-26

System and Method for Installing a Manifold Plug

#5
20240246206
2024-07-25

System and method for installing a manifold plug

#6
20240230008
2024-07-11

Isolation Plug With Energized Seal

#7
20240133502
2024-04-25

Isolation Plug With Energized Seal

#8
20240123586
2024-04-18

System and method for installing a manifold plug

#9
20230288011
2023-09-14

INSERT WITH DIAMETRAL LOCKING FEATURE AND INDICATION FEATURE FOR INSTALLATION AND METHOD OF INSTALLATION THEREOF

#10
20230278176
2023-09-07

System and method for installing a manifold plug

#11
20230235824
2023-07-27

Locking mechanism for sealing member of valve with bleeding opening

#12
20230194033
2023-06-22

EXPANSION PLUG ASSEMBLY

#13
20220362912
2022-11-17

System and method for installing a manifold plug

#14
20220333698
2022-10-20

Locking Mechanism for Sealing Member of Valve

#15
20220282819
2022-09-08

Plug assembly

#16
20220065380
2022-03-03

Isolation plug with energized seal

#17
20210308846
2021-10-07

System and method for installing a manifold plug

#18
20210207720
2021-07-08

Locking mechanism for sealing member of valve

#19
20210039234
2021-02-11

System and method for installing a manifold plug

#20
20210018096
2021-01-21

Device for sealing two spaces filled with different fluids in a MEMS sensor system

#21
20200300401
2020-09-24

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

#22
20200284359
2020-09-10

Locking mechanism for sealing member of valve

#23
20190390814
2019-12-26

Isolation plug with energized seal

#24
20190136893
2019-05-09

Insert and system for providing a calibrated metering orifice

#25
20190128465
2019-05-02

Hydraulic plugs

#26
20190032796
2019-01-31

Locking mechanism for sealing member of valve

#27
20180372259
2018-12-27

Device for preventing access to a conduit

#28
20180318992
2018-11-08

System and method for installing a manifold plug

#29
20180238482
2018-08-23

Hydraulic plug

#30
20180112811
2018-04-26

Hydraulic plug

#31
20160060873
2016-03-03

Method of installing exhaust tube

#32
20150202754
2015-07-23

System and method for installing a manifold plug

#33
20140263337
2014-09-18

Centrally threaded plug for heat exchanger tube and removal tool

#34
20140224370
2014-08-14

Closure element for bores subjected to internal pressure

#35
20130312859
2013-11-28

Closure element for internally pressurized bores in components

#36
20110297264
2011-12-08

Hydraulically installed tube plug, tube plug installation tooling, and installation system and method

#37
20110240278
2011-10-06

Plug kit for pressured components

#38
20100098510
2010-04-22

Sealing plug for blind installation

#39
20090120940
2009-05-14

Two-piece expandable sealing plug

#40
20090065082
2009-03-12

Closure plug

#41
20080111373
2008-05-15

Sealing plug

#42
20080092358
2008-04-24

Tube sheet pressure retaining plug for water tube condensers, power boilers, and heat exchangers

#43
20080017152
2008-01-24

Lock pin retention plug for a two-step rocker arm assembly

#44
20050247458
2005-11-10

Methods and apparatus for use in subterranean cementing operations

#45
20050109413
2005-05-26

Twist off drive for a tube plug

#46
20050008454
2005-01-13

Sealing plug for blind installation

#47
18818059
2025-06-24

System and method for installing a manifold plug

#48
14971665
2016-09-27

Friction pull plug and material configuration for anti-chatter friction pull plug weld