ClassID:

153383

F16L55/105 - 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 Closing devices introduced radially into the pipe or hose

Recent Application in this class:
#1
20250377061
2025-12-11

CUTTING ASSEMBLY FOR INSERTION VALVE INSTALLATION

#2
20250369550
2025-12-04

VALVE KIT WITH INSERTION VALVE AND CUTTING ASSEMPLY

#3
20250224057
2025-07-10

SINGLE-USE GENDERLESS ASEPTIC FLUID COUPLINGS

#4
20250164013
2025-05-22

VALVE GATES

#5
20250137568
2025-05-01

ISOLATION TOOL AND METHODS OF ISOLATING A SECTION OF PIPE OR A VESSEL

#6
20240344615
2024-10-17

PIPE STOPPER WITH EXPANDABLE STOPPER BODY

#7
20240337342
2024-10-10

FLOW REGULATOR ASSEMBLY FOR DRILLING OPERATIONS

#8
20240309954
2024-09-19

EXPANDABLE PIPE STOPPER

#9
20240288077
2024-08-29

Method of opening fluid control valve and fluid control valve used for the same

#10
20240117913
2024-04-11

INSERTION VALVES AND METHODS OF INSTALLING INSERTION VALVES IN PRESSURIZED PIPES

#11
20240035600
2024-02-01

Single-use genderless aseptic fluid couplings

#12
20240003433
2024-01-04

Expandable pipe stopper

#13
20230392740
2023-12-07

PIPE ISOLATION DEVICE WITH BLEED SYSTEM

#14
20230349498
2023-11-02

FLUID INTRODUCER FOR A PIPING SYSTEM

#15
20230304621
2023-09-28

COMBINED DRILLING AND STOPPING SYSTEM

#16
20230304589
2023-09-28

Method of opening fluid control valve and fluid control valve used for the same

#17
20230265949
2023-08-24

Arrangements for blanking a coupling member

#18
20230235844
2023-07-27

PIPING SYSTEM INSERT COMPRISING AN ADAPTER FOR A PIPE ACCESS MEANS, AND METHOD FOR PIPING WORK

#19
20230225282
2023-07-20

Short milk tube vent plug for a dairy animal milker unit

#20
20230213133
2023-07-06

Isolation tool and methods of isolating a section of pipe or a vessel

#21
20230136377
2023-05-04

Valve gates

#22
20230108266
2023-04-06

Insert valve cut warning system

#23
20230081652
2023-03-16

Fluid shut-off system and shut-off method

#24
20230073873
2023-03-09

Pipe stopper assembly

#25
20230072298
2023-03-09

Pipe stopper

#26
20230071010
2023-03-09

Method of using a pipe stopper

#27
20230022125
2023-01-26

PIPE ISOLATION DEVICE WITH SEAL

#28
20220325841
2022-10-13

SANITIZING POUCH FOR ELECTRONICS

#29
20220316641
2022-10-06

SANITIZING POUCH FOR ELECTRONICS

#30
20220307641
2022-09-29

Combined drilling and stopping system

#31
20220299150
2022-09-22

ACTIVATION SYSTEM FOR PIPELINE PLUG

#32
20220299149
2022-09-22

Isolation tool and methods of isolating a section of pipe or a vessel

#33
20220275899
2022-09-01

PIPE ISOLATION AND MONITORING SYSTEM

#34
20220260467
2022-08-18

Apparatus for conducting a hydraulic proof test

#35
20220205546
2022-06-30

Gate valve

#36
20210381636
2021-12-09

Fluid control device

#37
20210364116
2021-11-25

Installment method of fluid control body, and fluid control device including fluid control body

#38
20210325004
2021-10-21

Pipe isolation device

#39
20210293365
2021-09-23

Trench-less plug assembly

#40
20210247012
2021-08-12

Sealing plug system

#41
20210239274
2021-08-05

INSPECTION PORT SYSTEM FOR THERMALLY INSULATED PIPES, VESSELS, AND THE LIKE

#42
20210222816
2021-07-22

Gate valve

#43
20210123552
2021-04-29

Fluid introducer to a piping system

#44
20210071798
2021-03-11

Filling Device for a Pressurized Heating Circuit

#45
20210062946
2021-03-04

Single-use genderless aseptic fluid couplings

#46
20210054966
2021-02-25

Sanitizing pouch for electronics

#47
20200408346
2020-12-31

Piping structure and process and pipe construction method

#48
20200232872
2020-07-23

DRAINPIPE TEST PLUG WITH EXTERNAL VALUE AND GAUGE

#49
20190316724
2019-10-17

Arrangement for separating a connection between two pressurized flanged tube sections

#50
20190316723
2019-10-17

Automated pressure equalization above and below completion plug of gate valve cartridge or a completion plug of a line stop fitting

#51
20190226938
2019-07-25

Valve assembly and method for leak testing pipes using the valve assembly

#52
20190195371
2019-06-27

Line blocker

#53
20190186640
2019-06-20

Expanding gate valve assembly with pressure equalization system

#54
20190178758
2019-06-13

Pipe core sampling and tapping apparatus

#55
20190107238
2019-04-11

Sanitizing pouch for electronics

#56
20190040990
2019-02-07

Member linking mechanism and member linking method

#57
20180372231
2018-12-27

Pipeline control unit

#58
20180363786
2018-12-20

Shut-off device

#59
20180252612
2018-09-06

DRAINPIPE TEST PLUG WITH EXTERNAL VALUE AND GAUGE

#60
20180180211
2018-06-28

Valve insert

#61
20180132444
2018-05-17

Quick-coupling device

#62
20180119846
2018-05-03

Corrosion prevention apparatus and corrosion prevention method for cut faces of pipes

#63
20180119823
2018-05-03

Biasing members for valve assembly

#64
20170343146
2017-11-30

Filling device for a pressurised heating circuit

#65
20170191599
2017-07-06

Line stop disc

#66
20160369900
2016-12-22

Line blind valve

#67
20160327198
2016-11-10

Shut-off device

#68
20160319977
2016-11-03

Valve insert

#69
20160305593
2016-10-20

Weld on insert valve

#70
20160215915
2016-07-28

Valve housing with a spindle guide and method for production thereof

#71
20150276117
2015-10-01

Method of installing an emergency flow restrictor device (EFRD) on a pipeline

#72
20150247602
2015-09-03

Linestops, nozzles and completion plugs for installation in pressurized pipes

#73
20150247578
2015-09-03

Gate valves for installation in pressurized pipes

#74
20150115186
2015-04-30

Installation of a valve in a pipeline

#75
20140261831
2014-09-18

Foreign material exclusion device

#76
20140166119
2014-06-19

Systems and methods for valve insertion and linestopping

#77
20140083546
2014-03-27

Flow control for large diameter conduits

#78
20140060673
2014-03-06

Valve insert

#79
20140034860
2014-02-06

INDUSTRIAL VALVE

#80
20130334453
2013-12-19

Valve wear ring and gate valve with wear ring

#81
20130319542
2013-12-05

Gate valve assembly for installation in pressurized pipes

#82
20130133756
2013-05-30

Shear valve

#83
20120169041
2012-07-05

Fittings connectable to end portions of pipes and related methods

#84
20120160337
2012-06-28

Systems and methods for valve insertion and linestopping

#85
20120118404
2012-05-17

Apparatus for repairing and upgrading pipes

#86
20100275445
2010-11-04

Valve assembly having a unitary valve sleeve

#87
20100243090
2010-09-30

Mechanical clean-out test plug

#88
20100229958
2010-09-16

Block and bleed plugging tool employing seals on a pipeline exterior

#89
20100175771
2010-07-15

Telescoping double blocking pipe plug

#90
20100065769
2010-03-18

SLIDE VALVE

#91
20100059990
2010-03-11

SINGLE ENDED CLAMP FITTING

#92
20090224197
2009-09-10

Gate valve device

#93
20090223583
2009-09-10

Apparatus for pressure testing a plumbing system

#94
20090095932
2009-04-16

Knife Gate Valve

#95
20080121302
2008-05-29

Pipeline stop

#96
20080072980
2008-03-27

Apparatus for controlling flow through a conduit

#97
20070251579
2007-11-01

Valve assembly having a unitary valve sleeve

#98
20070006929
2007-01-11

Accessible test fitting for a plumbing system

#99
20060243326
2006-11-02

Apparatus, systems and methods for plugging a high temperature pipe

#100
20060237060
2006-10-26

Cam-assisted, wedge actuated, metal-to-metal seal, block and bleed plugging tool

#101
20060070659
2006-04-06

Method and apparatus for installation of a flow control valve for mounting a subterraneously positioned pipe

#102
20060000999
2006-01-05

Sluicing valve device

#103
18762337
2025-01-07

Sealing plug assemblies, line stop assemblies, and yokes with fluid pathways for line stopping a pipe and methods for the use thereof

#104
17458685
2023-01-10

Insert valve cut warning system

#105
17404310
2022-12-13

Pipe stopper assembly

#106
16784097
2020-11-24

Sealing plug system

#107
16262663
2020-06-16

Adjustable drain pipe test plug for arbitrary pipe wall thickness

#108
14081126
2015-03-17

Pipe testing fixture