Patents-Review.com
ClassID:

153400 ⎘

F16L55/132 - 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 radially deforming the packing

Sub-classes:
Recent Application in this class:
#1
20250389607
2025-12-25

LOW MARKING GRIPPER FOR A HYDROSTATIC TEST AND ISOLATION PLUG

 #2
20250369551
2025-12-04

PIPELINE ISOLATION TOOL WITH LARGE-GAP SEALING ELEMENT HAVING MINI PRESSURE HEADS AND IRIS-LIKE STRUCTURAL SEALING ELEMENTS

 #3
20250224066
2025-07-10

PRESSURE BALANCING SEAL

 #4
20240369171
2024-11-07

GRIPPING APPARATUS AND DEVICES FOR PLUGGING OF PIPES, ORIFICES OR CONNECTING

 #5
20240301982
2024-09-12

EXPANSION PLUG AND SYSTEM AND METHOD EMPLOYING SAME

 #6
20240230008
2024-07-11

Isolation Plug With Energized Seal

 #7
20240133502
2024-04-25

Isolation Plug With Energized Seal

 #8
20240112934
2024-04-04

System and apparatus for a valve assembly

 #9
20240110658
2024-04-04

Gripper assembly for pipeline isolation tool and methods of use

 #10
20230228359
2023-07-20

Pipeline isolation tool with seal having adaptable mechanical support structure

 #11
20230167934
2023-06-01

PLUGS FOR ANCHORING WITHIN EQUIPMENT AND METHODS OF USE FOR PRESSURE TESTING

 #12
20230143103
2023-05-11

System and apparatus for a valve assembly

 #13
20220380019
2022-12-01

DUCT STRINGER ASSEMBLY WITH BULKHEAD

 #14
20220290931
2022-09-15

Heat exchanger tube plug

 #15
20220290793
2022-09-15

Pipeline isolation tool, assembly and method

 #16
20220228690
2022-07-21

PIPELINE ISOLATION TOOL WITH LARGE-GAP SEALING ELEMENT HAVING MINI PRESSURE HEADS AND IRIS-LIKE STRUCTURAL SEALING ELEMENTS

 #17
20220213916
2022-07-07

Sealing plug

 #18
20220170581
2022-06-02

Gripping apparatus and devices for plugging of pipes, orifices or connecting

 #19
20220099520
2022-03-31

Pipe engagement and testing system

 #20
20220065380
2022-03-03

Isolation plug with energized seal

 #21
20220057037
2022-02-24

Gripper assembly for pipeline isolation tool and methods of use

 #22
20210071800
2021-03-11

PRESS SEAL WITH AN ELASTOMER BODY AND A TENSIONING BOLT

 #23
20210071799
2021-03-11

Shaft mechanical lock for pipeline isolation tools

 #24
20200378541
2020-12-03

Gripping apparatus and devices for plugging of pipes, orifices or connecting

 #25
20200049431
2020-02-13

Plugging a heat exchanger tube

 #26
20190390814
2019-12-26

Isolation plug with energized seal

 #27
20190389038
2019-12-26

Well access tool

 #28
20190301656
2019-10-03

PRESS SEAL WITH AN ELASTOMER BODY AND A TENSIONING BOLT

 #29
20190107239
2019-04-11

Large-gap-seal (“LGS”) assembly

 #30
20190078719
2019-03-14

Split cap safety plug

 #31
20180372259
2018-12-27

Device for preventing access to a conduit

 #32
20180238482
2018-08-23

Hydraulic plug

 #33
20180119866
2018-05-03

Gripping apparatus and devices for plugging of pipes, orifices or connecting

 #34
20180056490
2018-03-01

TOOLS AND METHODS FOR SETTING A PLUG INSIDE A PIPE

 #35
20180051842
2018-02-22

Pipe multifold line plug with fluid opening

 #36
20180051477
2018-02-22

Apparatus with spacer for repairing a pool fitting

 #37
20160376867
2016-12-29

Apparatus and method for isolating a section of a pipe riser bore in the course of riser renewal

 #38
20160195210
2016-07-07

Press seal having a press body

 #39
20160177996
2016-06-23

Sealing plug for closing holes in walls and the like

 #40
20160040819
2016-02-11

Assembly for blocking cooling water channel in mold

 #41
20150338013
2015-11-26

Apparatus and a method for sealing a conduit

 #42
20150323117
2015-11-12

PLUG ELEMENT WITH AT LEAST ONE BODY PART MADE FROM SHAPE-MEMORY-ALLOY

 #43
20150292667
2015-10-15

Large diameter pipe plug

 #44
20150276116
2015-10-01

Sealing device

 #45
20150226363
2015-08-13

Pipe sealing tool with external and internal clamp

 #46
20150218903
2015-08-06

Multi-layered temperature responsive pressure isolation device

 #47
20150184369
2015-07-02

Building system and panel for a building system

 #48
20140224370
2014-08-14

Closure element for bores subjected to internal pressure

 #49
20140182729
2014-07-03

Apparatus for sealing a conduit

 #50
20140182728
2014-07-03

Bore plug

 #51
20140159360
2014-06-12

Adapter for a capless fuel tank filler neck to test a fuel tank for leaks

 #52
20130327769
2013-12-12

Element, preferably a closing element

 #53
20130312859
2013-11-28

Closure element for internally pressurized bores in components

 #54
20130199651
2013-08-08

Pipeline isolation tool and method

 #55
20130192695
2013-08-01

Low pressure hot tap pipeline isolation

 #56
20130192049
2013-08-01

System for plugging heat exchanging tubes

 #57
20130098473
2013-04-25

Tool for Removing and Installing Plugs and Method of Operation

 #58
20120318396
2012-12-20

Pipe sealing tool with external and internal clamp

 #59
20120279965
2012-11-08

Sealed stopper for an opening in a tubing for joining a chamber and a piping, particularly in the steam generator of a nuclear pressurised water reactor

 #60
20120155599
2012-06-21

Method and apparatus for an expanding split bushing pipe plug assembly

 #61
20120125457
2012-05-24

Gas diversion device and method for pipe repair therewith

 #62
20110315258
2011-12-29

Active flow high pressure pipe plug apparatus and method

 #63
20110278022
2011-11-17

Plug for setting in a pipe

 #64
20110258834
2011-10-27

Bore plug

 #65
20110253667
2011-10-20

Expansion seal, especially for gases

 #66
20110240272
2011-10-06

Assembly for plugging a tube

 #67
20110232793
2011-09-29

Wedge type plug and method of plugging a lateral line

 #68
20110126933
2011-06-02

Pipe end sealing tool

 #69
20100313985
2010-12-16

Pipeline isolation

 #70
20100307737
2010-12-09

Packer with Ribs

 #71
20100206416
2010-08-19

Pipe sealing tool with external clamp

 #72
20100147408
2010-06-17

SEWER PIPE FLOW THROUGH BYPASS DEVICE

 #73
20100133864
2010-06-03

GRIPPING MEANS FOR USE WITH A UNIT INSERTABLE IN A PIPELINE

 #74
20100032044
2010-02-11

Plug with expandable packer element

 #75
20100032043
2010-02-11

Arrangement for sealing an end section of a tube or of a tubular vessel

 #76
20090321068
2009-12-31

Plug member and mounting and dismounting device therefor

 #77
20090193877
2009-08-06

Pipeline pressure tool

 #78
20090114302
2009-05-07

Double block and bleed plug

 #79
20090114301
2009-05-07

Double block and bleed plug

 #80
20080295910
2008-12-04

Pre-tensioned sealing means arrangement

 #81
20080211228
2008-09-04

Pipe testing tool with magnetic clamps

 #82
20080209986
2008-09-04

Apparatus and method for testing or isolating a pipe segment with magnetically actuated sealing means

 #83
20080191473
2008-08-14

Self-centering adapter clamp

 #84
20080128039
2008-06-05

Hand tool for plugging conduit

 #85
20080092970
2008-04-24

Anchor mount

 #86
20080075538
2008-03-27

Method and apparatus for repairing underground pipes

 #87
20080020700
2008-01-24

Method for restricting fluid flow in a passageway

 #88
20080017390
2008-01-24

Isolation tool

 #89
20070286682
2007-12-13

Apparatus for sealing and isolating pipelines

 #90
20070107790
2007-05-17

Control system for hydraulic cylinder, plug with a hydraulic cylinder and methods for setting and releasing a plug

 #91
20070096462
2007-05-03

Self-centering adapter

 #92
20070095397
2007-05-03

Pressurized fluid line servicing tool

 #93
20070023096
2007-02-01

Isolation tool for plugging the interior of a pipeline

 #94
20070006928
2007-01-11

Tapered Expansion Plug with Seating Flange

 #95
20060225801
2006-10-12

Pipe plug

 #96
20060180125
2006-08-17

Sealing mechanism for tubular body

 #97
20060151036
2006-07-13

Pipe repair tool

 #98
20060137753
2006-06-29

Plumbing tool for temporarily plugging a pipe

 #99
20060086086
2006-04-27

Hydraulic cylinders and plug with hydraulic cylinder

 #100
20050183784
2005-08-25

Pipe repair tool

 #101
20050008454
2005-01-13

Sealing plug for blind installation

 #102
15916006
2019-05-21

Isolation tool with enhanced monitoring unit