Patents-Review.com
ClassID:

153402 ⎘

F16L55/136 - 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 expanding or deforming a split ring, hooks or the like

Recent Application in this class:
#1
20240110658
2024-04-04

Gripper assembly for pipeline isolation tool and methods of use

 #2
20240044436
2024-02-08

DEVICE FOR THE REMOVABLE LOCKING OF A PLUG TO A PIPELINE FITTING

 #3
20230358356
2023-11-09

GRIPPER ASSEMBLY FOR PIPELINE ISOLATION TOOL AND METHODS OF USE

 #4
20230220940
2023-07-13

DISK WITH ADJUSTABLE OUTER DIAMETER

 #5
20230204144
2023-06-29

Seal assembly for pipeline isolation tool and methods of use

 #6
20220307642
2022-09-29

Combination pipe seal and grips

 #7
20220290931
2022-09-15

Heat exchanger tube plug

 #8
20220260193
2022-08-18

CONDUIT SECURITY TECHNIQUES

 #9
20220107044
2022-04-07

Combination pipe seal and grips

 #10
20220074536
2022-03-10

Gripper assembly for pipeline isolation tool and methods of use

 #11
20220057037
2022-02-24

Gripper assembly for pipeline isolation tool and methods of use

 #12
20220034440
2022-02-03

Seal assembly for pipeline isolation tool and methods of use

 #13
20210079755
2021-03-18

Mechanical flow assembly

 #14
20210071799
2021-03-11

Shaft mechanical lock for pipeline isolation tools

 #15
20200378541
2020-12-03

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

 #16
20200240568
2020-07-30

Conduit locking device

 #17
20200124512
2020-04-23

Pipe tester device

 #18
20200056735
2020-02-20

Devices, systems, and methods for locking a conduit

 #19
20200056708
2020-02-20

Trigger mechanism for a valve assembly

 #20
20190056053
2019-02-21

Plug for plugging a line and a method for installing a plug in a line

 #21
20180119866
2018-05-03

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

 #22
20170052086
2017-02-23

Test plug for a pipe elbow

 #23
20160031638
2016-02-04

Pipe-closing device for isolating a tank, a pipe or a set of tanks and pipes

 #24
20150377403
2015-12-31

Internal restraint device

 #25
20150292667
2015-10-15

Large diameter pipe plug

 #26
20150190836
2015-07-09

Masking plug

 #27
20140332704
2014-11-13

Attachment ring and valve

 #28
20140326324
2014-11-06

Apparatus and method for sealing a pipe including internal and external gripping means

 #29
20130186501
2013-07-25

Plug for heat-conducting tube, device for attaching plug for heat-conducting tube, and method for plugging heat conducting tube

 #30
20130186483
2013-07-25

Machine-actuated and removable safety closure with anti-rotation and machine-released holder

 #31
20130071229
2013-03-21

Plug device for gas turbine engine shaft

 #32
20120048395
2012-03-01

Device for inserting a shut-off device in a pipeline

 #33
20110299934
2011-12-08

SYSTEM AND METHOD FOR PLUGGING A BROKEN FLUID DELIVERY PIPE

 #34
20110278022
2011-11-17

Plug for setting in a pipe

 #35
20110204052
2011-08-25

INTERNAL RESTRAINT DEVICE

 #36
20110187096
2011-08-04

Plugged hot tap tee

 #37
20110036438
2011-02-17

Plug assembly with moveable mounting members

 #38
20110000038
2011-01-06

DEVICE FOR MOVEMENT WITHIN A PIPELINE

 #39
20100313985
2010-12-16

Pipeline isolation

 #40
20100229989
2010-09-16

Plug with engagement members

 #41
20100206878
2010-08-19

Closure having a segmented locking ring

 #42
20100175770
2010-07-15

Spring energized plug

 #43
20100133864
2010-06-03

GRIPPING MEANS FOR USE WITH A UNIT INSERTABLE IN A PIPELINE

 #44
20100101806
2010-04-29

Mandrel to be inserted into a liquid circulation pipe and associated positioning method

 #45
20100096036
2010-04-22

FLUID-CROSSING GATE FOR PIPELINE AND FLUID-CROSSING METHOD USING THE SAME

 #46
20100051130
2010-03-04

Plug with gripping means

 #47
20100032044
2010-02-11

Plug with expandable packer element

 #48
20100000068
2010-01-07

Tool set for the introduction in a sheath of a flow-monitoring device for a fluid piping, and an implementation method therefore

 #49
20090272451
2009-11-05

Smartplug with wheel centralizer

 #50
20090120940
2009-05-14

Two-piece expandable sealing plug

 #51
20090084791
2009-04-02

Closure Having a Segmented Locking Ring

 #52
20070131413
2007-06-14

Mandrel for introduction into a fluid circulation duct, and related production well

 #53
20070107790
2007-05-17

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

 #54
20070029080
2007-02-08

Deformable member

 #55
20060260687
2006-11-23

Locking plug for closing the sidewall of a pipe

 #56
20060260686
2006-11-23

Cross-line plugging system

 #57
20060260685
2006-11-23

High temperature completion plug

 #58
20060237074
2006-10-26

Flow control device, with assisted anchoring, insertable into a pipeline

 #59
20060086086
2006-04-27

Hydraulic cylinders and plug with hydraulic cylinder

 #60
20050263296
2005-12-01

Deformable member

 #61
20050263200
2005-12-01

Device for fastening a manoeuvrable plug for plugging of pipes

 #62
20050241475
2005-11-03

Arrangement at a hydraulic cylinder on a manoeuvrable plug for plugging of pipes

 #63
20050121091
2005-06-09

Removable closure system and plug for conduit

 #64
13548027
2015-11-03

Conduit cover with wedging arms