ClassID:

153266 ⎘

F16L41/06 - CPC Classification

Classification description:

Branching pipes; Joining pipes to walls; Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor making use of attaching means embracing the pipe

Sub-classes:
Recent Application in this class:
#1
20260071710
2026-03-12

CONNECTOR FOR MAINLINE PIPE AND OUTLET PIPE

#2
20250334217
2025-10-30

SPLIT TEE PLUG DEVICE

#3
20250277552
2025-09-04

Sluice Valve Installation Method, and Sluice Valve Installation Structure Used in Sluice Valve Installation Method

#4
20250075838
2025-03-06

ATTACHMENT DEVICE AND ATTACHMENT METHOD OF INFORMATION ACQUISITION DEVICE

#5
20240337342
2024-10-10

FLOW REGULATOR ASSEMBLY FOR DRILLING OPERATIONS

#6
20240230005
2024-07-11

WIDE RANGE TAPPING SLEEVE

#7
20240230004
2024-07-11

INTEGRAL FLEXURE TAPPING SLEEVE

#8
20230304621
2023-09-28

COMBINED DRILLING AND STOPPING SYSTEM

#9
20230228357
2023-07-20

Clamped saddle for directional hot-tapping tubulars

#10
20230194030
2023-06-22

BRANCH PIPE FORMING APPARATUS, LID DOUBLING AS VALVE ELEMENT, BRANCH PIPE FORMING APPARATUS WITH LID DOUBLING AS VALVE ELEMENT, AND BRANCH PIPE FORMATION METHOD

#11
20230108266
2023-04-06

Insert valve cut warning system

#12
20230095591
2023-03-30

METHOD AND APPARATUS OF HOT TAPPING MULTIPLE COAXIAL OR NESTED STRINGS OF UNDERWATER PIPING AND/OR TUBING FOR OVERTURNED WELLS OR PLATFORMS

#13
20230021866
2023-01-26

PIPELINE CONNECTIONS

#14
20220390054
2022-12-08

Coupling assembly for branching pipe

#15
20220307641
2022-09-29

Combined drilling and stopping system

#16
20220268387
2022-08-25

Pipe drilling device

#17
20220235892
2022-07-28

Coupling assembly for pipe branching

#18
20220178472
2022-06-09

Pipeline deployment and tie-in method

#19
20220115154
2022-04-14

Feedwater sparger nozzle repair assembly

#20
20220090721
2022-03-24

Method and system for pressure pipe drilling cement-mortar lined and coated steel cylinders

#21
20220018477
2022-01-20

Water main tapping devices and methods

#22
20210372552
2021-12-02

CONNECTOR FOR MAINLINE PIPE AND OUTLET PIPE

#23
20210254772
2021-08-19

Installation method and installation device for fluid control device

#24
20210254761
2021-08-19

Pipe structure and construction method

#25
20210207757
2021-07-08

System for and method of sealing a flowline with a metal seal after hot tapping

#26
20210207751
2021-07-08

Hot tapping drill apparatus

#27
20210164588
2021-06-03

Subsea pipeline with multiple access nodes

#28
20210148180
2021-05-20

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

#29
20210123553
2021-04-29

Housing device and method for mounting housing device

#30
20210108754
2021-04-15

Tapping Saddle Assembly and Method for Establishing, Repairing, or Sealing Off a Connection Between Two Pipes

#31
20210088165
2021-03-25

Pipe fitting placement device

#32
20210025529
2021-01-28

Hot tap assembly and method

#33
20200408346
2020-12-31

Piping structure and process and pipe construction method

#34
20200370698
2020-11-26

Boring system having boring tap embedded therein and boring method using the same

#35
20200328003
2020-10-15

Feedwater sparger nozzle repair assembly

#36
20200300399
2020-09-24

REMOTE FLUID RECOVERY OR TRANSFER

#37
20200284388
2020-09-10

Pipe hot-tapping system and method

#38
20200240564
2020-07-30

Mechanical branch outlet

#39
20200173158
2020-06-04

Apparatus and Method for Providing Access to Buried Pipeline

#40
20200116285
2020-04-16

Connector for piping networks

#41
20200080677
2020-03-12

Tapping sleeve with bent ends

#42
20200049259
2020-02-13

Insertion of butterfly valve without disrupting flow

#43
20190368662
2019-12-05

Hot tap system and method for coated ductwork

#44
20190344303
2019-11-14

Spray nozzle mounting for receiving fluid from distribution pipe

#45
20190339105
2019-11-07

Measurement ring for fluid flow in a pipeline

#46
20190331281
2019-10-31

Apparatus for blocking fluid flow through pipes

#47
20190316724
2019-10-17

Arrangement for separating a connection between two pressurized flanged tube sections

#48
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

#49
20190304612
2019-10-03

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

#50
20190292869
2019-09-26

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

#51
20190242514
2019-08-08

Mechanical branch outlet

#52
20190242513
2019-08-08

Mechanical branch outlet

#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
20190170282
2019-06-06

Apparatus for spreading fluids and in particular fertilizers, pesticides and similar

#56
20190137024
2019-05-09

Fusible Size-On-Size Or Reduced Branch Fitting For Use With Polyethylene Pipe

#57
20190040704
2019-02-07

Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and or tubing for overturned wells or platforms

#58
20190024799
2019-01-24

Metal seal fitting for use on a pipeline

#59
20180372256
2018-12-27

Pipeline insertion apparatus and method

#60
20180363821
2018-12-20

Water main tapping devices and methods

#61
20180363786
2018-12-20

Shut-off device

#62
20180306369
2018-10-25

Push plug type line stop branch assembly

#63
20180292038
2018-10-11

A CUTTING TOOL AND A BRANCH CONNECTION DEVICE COMPRISING A CUTTING TOOL

#64
20180281117
2018-10-04

Thick, long seam welding system and method for distortion control and non post weld heat treatment of pipeline hot tap fittings

#65
20180266610
2018-09-20

Pipe access tool

#66
20180259108
2018-09-13

Outlet fitting for fluid-carrying conduit

#67
20180245724
2018-08-30

Pipe tapping saddle

#68
20180195655
2018-07-12

Snap tap mounting jig

#69
20180187813
2018-07-05

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

#70
20180119846
2018-05-03

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

#71
20180119823
2018-05-03

Biasing members for valve assembly

#72
20180112809
2018-04-26

APPARATUS AND METHOD FOR FLUID REMOVAL FROM A PIPELINE

#73
20180087702
2018-03-29

External seal for isolating an elbow fitting

#74
20180066972
2018-03-08

Measurement ring for fluid flow in a pipeline

#75
20180058621
2018-03-01

System for and method of sealing a flowline with a metal seal after hot tapping

#76
20170370514
2017-12-28

Flow-undisrupted process

#77
20170363242
2017-12-21

Self locking and sealing pipe tapping means

#78
20170261143
2017-09-14

Boring device

#79
20170254462
2017-09-07

Improved Valve Apparatus And Method Of Installation

#80
20170191599
2017-07-06

Line stop disc

#81
20170122474
2017-05-04

Mechanical branch outlet

#82
20170114603
2017-04-27

Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and or tubing for overturned wells or platforms

#83
20170051862
2017-02-23

Hot tap system and method for coated ductwork

#84
20170050206
2017-02-23

Spray nozzle mounting for receiving fluid from distribution pipe

#85
20160305593
2016-10-20

Weld on insert valve

#86
20160281897
2016-09-29

Snap tap forming method and snap tap attaching tool used in the method

#87
20160223115
2016-08-04

Non-welded apparatus for providing access to the interior of an enclosure and methods for use thereof

#88
20160169434
2016-06-16

Device for work implementation without stopping flow, and method for work implementation without stopping flow

#89
20160146390
2016-05-26

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

#90
20160146389
2016-05-26

Method for hot-tap tie in for large diameter pipes

#91
20160146388
2016-05-26

Fittings for irrigation systems

#92
20160138747
2016-05-19

SYSTEM FOR CUTTING A WORKPIECE AND METHOD FOR THE SAME

#93
20160084381
2016-03-24

Metal seal fitting for use on a pipeline

#94
20160047508
2016-02-18

PIPING SYSTEM DRAIN DOWN TOOL

#95
20150377400
2015-12-31

Press-in connecting piece for pipe connection and tool for a press-in connecting piece

#96
20150233514
2015-08-20

Block fitting for metal seal structures

#97
20150129048
2015-05-14

Directional insertion tool

#98
20150115186
2015-04-30

Installation of a valve in a pipeline

#99
20140345702
2014-11-27

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

#100
20140261760
2014-09-18

Tapping sleeve tightening assembly

#101
20140241822
2014-08-28

Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and or tubing for overturned wells or platforms

#102
20140218501
2014-08-07

Pipeline inspection system

#103
20140158222
2014-06-12

Hot tapping clamp assembly

#104
20140158218
2014-06-12

Method of hot tapping into a pipe

#105
20140077491
2014-03-20

Branching Apparatus for Branching Pipes

#106
20140076414
2014-03-20

Method and device for tapping and tracing a conduit

#107
20140041732
2014-02-13

Process for accessing underground pressurized gas main

#108
20130306162
2013-11-21

Hot tapping seal assembly

#109
20130255794
2013-10-03

Method of Direct Hot Tapping Into A Multiple Production String Without Removing Outer Layers of Casing

#110
20130206252
2013-08-15

Piping system drain down tool

#111
20130192687
2013-08-01

Pipeline isolation for small bore pipe

#112
20130180598
2013-07-18

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

#113
20130061943
2013-03-14

Valve device for the assembly in in-service pipelines and the assembly procedure of said device

#114
20130000749
2013-01-03

Unit for boring without stopping passage of fluid

#115
20120312391
2012-12-13

Cutter assembly

#116
20120286099
2012-11-15

Device for draining a tank of a spaceborne system

#117
20120222753
2012-09-06

Device for work implementation without stopping flow, and method for work implementation without stopping flow

#118
20120193909
2012-08-02

Extended range tapping sleeve and gasket

#119
20120192963
2012-08-02

Extended range tapping sleeve and gasket

#120
20120192962
2012-08-02

Sluice valve for operations

#121
20120118404
2012-05-17

Apparatus for repairing and upgrading pipes

#122
20120067435
2012-03-22

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

#123
20110277597
2011-11-17

Piercing cap drive socket

#124
20110259594
2011-10-27

Maintenance device, and method for introducing a maintenance tool into an elongate hollow member

#125
20110259589
2011-10-27

Maintenance device and method for producing a maintenance access

#126
20110192469
2011-08-11

Branching unit for boring without stopping passage of fluid

#127
20110175996
2011-07-21

Pipeline inspection system

#128
20110127764
2011-06-02

Saddle tee

#129
20110089688
2011-04-21

THREAD-LOCKABLE PIPE COUPLING ASSEMBLY

#130
20110041926
2011-02-24

Apparatus for isolating elbow fittings

#131
20100278602
2010-11-04

Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and/or tubing for overturned wells or platforms

#132
20100243072
2010-09-30

Apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

#133
20100236639
2010-09-23

System And Method For Accessing A Pressurized Gas Pipeline

#134
20100212754
2010-08-26

Subsea hot tap systems and methods

#135
20100171304
2010-07-08

Connection module and connector

#136
20100150675
2010-06-17

Device and process for perforating a duct fitted with a connector seat

#137
20100126593
2010-05-27

HOT TAPPING MACHINE

#138
20100084024
2010-04-08

Method of direct hot tapping into a multiple production string without removing outer layers of casing

#139
20100083473
2010-04-08

Pipe clamp

#140
20100059998
2010-03-11

BYPASS FITTING

#141
20100059987
2010-03-11

Equalizer stopple fitting with integral pressure equalization fitting

#142
20090260695
2009-10-22

Pipeline intervention

#143
20090244276
2009-10-01

Pipeline inspection system

#144
20090229681
2009-09-17

Hot tap clamp

#145
20090218532
2009-09-03

Line stop adapter

#146
20090145488
2009-06-11

Saddle tee

#147
20090139579
2009-06-04

Diversion under load conditions in distribution systems

#148
20090065070
2009-03-12

Branching unit for boring without stopping passage of fluid

#149
20090065069
2009-03-12

MODULAR SERVICE SADDLE

#150
20090032113
2009-02-05

FLAMELESS RELIEF VALVE

#151
20080309072
2008-12-18

Hot tap device

#152
20080273934
2008-11-06

Circular Cutter Having Improved Centering Characteristics

#153
20080260466
2008-10-23

Apparatus for permitting access to the interior of a subterranean fluid-carrying pipe by way of an excavation which has uncovered the wall of the pipe

#154
20080196769
2008-08-21

System for hot tapping

#155
20080169641
2008-07-17

Inline irrigation pipe adapter fitting and method of installation

#156
20080121302
2008-05-29

Pipeline stop

#157
20080099077
2008-05-01

LEAKPROOF TAPPING TEE ASSEMBLY

#158
20080014035
2008-01-17

Clamping Tool And Hole Saw Apparatus

#159
20070281536
2007-12-06

CONNECTION MODULE AND CONNECTOR

#160
20070158393
2007-07-12

System for use in tapping a pipe

#161
20070104547
2007-05-10

Hot tap machine

#162
20070051192
2007-03-08

Pipeline inspection system

#163
20060243326
2006-11-02

Apparatus, systems and methods for plugging a high temperature pipe

#164
20060237060
2006-10-26

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

#165
20060175095
2006-08-10

Boring machine

#166
20060151997
2006-07-13

High-pressure fastening tee assembly

#167
20060027627
2006-02-09

Mechanical weldable fitting for use in tapping a pipeline

#168
20060027266
2006-02-09

Pipe tapping apparatus

#169
20060002766
2006-01-05

Apparatus and process for installing “T” couplings on underground pipe

#170
20050247344
2005-11-10

Device for producing bypasses under pressure in fluid piping systems

#171
20050242576
2005-11-03

Method for connecting a branch pipe to a main pipeline and underground network for distributing fluid

#172
20050241694
2005-11-03

HOT TAPPING METHOD, SYSTEM AND APPARATUS

#173
20050238438
2005-10-27

Method and device for positioning a branch connection on a pipeline

#174
20050150550
2005-07-14

Valve assembly and method for hot tapping a line

#175
20050098208
2005-05-12

Branch connection method

#176
20050093299
2005-05-05

Tapping sleeve

#177
20050034762
2005-02-17

Drill for tapping pipe with safety device in branch pipe

#178
20050025596
2005-02-03

Apparatus for mounting a drill on a pipe

#179
17458685
2023-01-10

Insert valve cut warning system

#180
15677876
2019-03-05

Valve fitting milling system and method for transmission pipes

#181
15232703
2020-08-04

Pipe-hoisting strap installation tool