ClassID:

166965

G01M3/022 - CPC Classification

Classification description:

Investigating fluid-tightness of structures by using fluid or vacuum Test plugs for closing off the end of a pipe

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

LOW MARKING GRIPPER FOR A HYDROSTATIC TEST AND ISOLATION PLUG

#2
20250251074
2025-08-07

SEALING CLAMP ASSEMBLY AND METHOD FOR CLEARING AND LEAK TESTING FUEL LINES OF GAS TURBINE FUEL SUPPLY SYSTEM

#3
20240353281
2024-10-24

PLUMBING TEST CAP AND SYSTEM FOR RUPTURING THE SAME

#4
20240094083
2024-03-21

Duct shut-off device provided with a measuring device comprising a transmitter

#5
20240053217
2024-02-15

MEDICAL GAS SEPARATOR

#6
20230408361
2023-12-21

PIPE PRESSURE TESTING METHOD AND APPARATUS

#7
20230167934
2023-06-01

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

#8
20230139915
2023-05-04

Holding device for a non-return valve flap and method for positioning same

#9
20230077622
2023-03-16

QUICK DISCONNECT ADAPTER

#10
20230066570
2023-03-02

Ache tube leak testing tool

#11
20230021939
2023-01-26

Pipe pressure testing method and apparatus

#12
20230019069
2023-01-19

Systems and methods of pressure testing coiled tubing

#13
20220299394
2022-09-22

System and method providing back pressure value in pipe plugs

#14
20220205863
2022-06-30

APPARATUS, SYSTEM, AND METHOD FOR HYDROSTATIC PRESSURE TESTING OF A PIPE

#15
20220128429
2022-04-28

Poly welded annulus test head systems and methods

#16
20220082195
2022-03-17

Test valve assembly with extraction mechanism

#17
20210318198
2021-10-14

Drainpipe test plug with pressure assisted plug seal

#18
20210285839
2021-09-16

Embedded return wire time domain reflectometry pipeline fault detection systems and methods

#19
20210270689
2021-09-02

Reusable pipe integrity test head systems and methods

#20
20210255054
2021-08-19

Weld test plugs and methods of use

#21
20200393298
2020-12-17

System and Method For Non-Destructive, In-Situ, Positive Material Identification Of A Pipe

#22
20200300723
2020-09-24

Tool for use in providing a seal on a tube end to allow a pressure test

#23
20200284684
2020-09-10

Safety procedure for valve replacement and leak detection on a tank car

#24
20200284683
2020-09-10

Testing mechanism for valve replacement and leak detection on a tank car

#25
20200256754
2020-08-13

Pipe pressure testing method and apparatus

#26
20200116289
2020-04-16

Test valve assembly with extraction mechanism

#27
20200049582
2020-02-13

Safety procedure and testing mechanism for valve replacement and leak detection on a tank car

#28
20200032933
2020-01-30

Seal apparatus

#29
20200025642
2020-01-23

Sealing detection method for a sealing structure

#30
20200018661
2020-01-16

Apparatus for hydrostatic testing

#31
20200011759
2020-01-09

Gas-tight plug

#32
20190346331
2019-11-14

Tub overflow drain test system

#33
20190331235
2019-10-31

Dual lock flow gate

#34
20190330958
2019-10-31

Dual lock flow gate

#35
20190316984
2019-10-17

Device for removing valve hole sealing substitute from hub

#36
20190301964
2019-10-03

Device for detecting balance of hub valve hole

#37
20190265104
2019-08-29

System and method for non-destructive, in-situ, positive material identification of a pipe

#38
20190250061
2019-08-15

Apparatus for hydrostatic testing

#39
20190072488
2019-03-07

Optical assurance cap

#40
20180313464
2018-11-01

Adapter system for a check valve

#41
20180217000
2018-08-02

System and method for non-destructive, in-situ, positive material identification of a pipe

#42
20180202585
2018-07-19

Apparatus for hydrostatic testing

#43
20180080848
2018-03-22

Flexible universal bladder tool for detecting leaks in a closed fluid system

#44
20180045376
2018-02-15

Facilitating the transition between flooding and hydrotesting with the use of an intelligent pig

#45
20180045355
2018-02-15

Flow variation system

#46
20170336280
2017-11-23

Turbine inspection stopper

#47
20170336003
2017-11-23

Metal-to-metal well equipment seal

#48
20170322106
2017-11-09

Pipe Engagement and Testing System

#49
20170322102
2017-11-09

BALLOON CATHETER APPARATUS FOR INTERNAL COMBUSTION ENGINE COMPONENT LEAK DETECTION AND HIGH PRESSURE LEAK DETECTION

#50
20170152740
2017-06-01

Test tube with an inlet for filling with fluid and expelling air, and with enhanced resistance and sealing for the BOP testing step in drilling systems

#51
20170089799
2017-03-30

Pneumatic plug clean-out tees

#52
20170052086
2017-02-23

Test plug for a pipe elbow

#53
20160370249
2016-12-22

Pipe pressure testing method and apparatus

#54
20160341625
2016-11-24

Balloon catheter apparatus for high pressure leak detection

#55
20160282217
2016-09-29

Safety procedure and testing mechanism for valve replacement and leak detection on a tank car

#56
20160031638
2016-02-04

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

#57
20150369689
2015-12-24

Gripper for test and isolation plugs

#58
20150362114
2015-12-17

Apparatus for closing and sealing the open end of a pipe

#59
20150226363
2015-08-13

Pipe sealing tool with external and internal clamp

#60
20150211640
2015-07-30

Fill valve apparatus

#61
20150198498
2015-07-16

Hydrostatic test device and hydrostatic test method for high pressure turbine

#62
20150177092
2015-06-25

Balloon catheter apparatus for internal combustion engine component leak detection and high pressure leak detection

#63
20150168248
2015-06-18

Leak test apparatus and leak test method

#64
20150035238
2015-02-05

Pipe pressure testing method and apparatus

#65
20140326324
2014-11-06

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

#66
20140260555
2014-09-18

Systems and methods for detecting and communicating moisture leaks in fluid conduits

#67
20140151998
2014-06-05

Field testable instrument housing connection

#68
20140150531
2014-06-05

SELECTIVELY SEALABLE PIPE STUB

#69
20140083168
2014-03-27

Balloon catheter apparatus for high pressure leak detection

#70
20140069172
2014-03-13

Hydrostatic test tool and method of use

#71
20130327412
2013-12-12

Pipe monitoring system and method

#72
20130180318
2013-07-18

Systems and methods for detecting and communicating moisture leaks in fluid conduits

#73
20120318396
2012-12-20

Pipe sealing tool with external and internal clamp

#74
20120266660
2012-10-25

Leak detection system with secure sealing mechanism

#75
20120255344
2012-10-11

Pipe pressure testing method and apparatus

#76
20120174654
2012-07-12

Hydrostatic test tool and method of use

#77
20120104173
2012-05-03

Device for shutting a jettisoning circuit of an aircraft

#78
20120031177
2012-02-09

Sealing head for an installation for fluid tests on an aircraft turbine engine part

#79
20110126933
2011-06-02

Pipe end sealing tool

#80
20110115144
2011-05-19

METHOD AND APPARATUS FOR APPLYING AXIAL STRESS FOR WELD TESTING

#81
20110100649
2011-05-05

Isolation tool

#82
20110048112
2011-03-03

Nozzle testing apparatus and method

#83
20110016963
2011-01-27

Device for pressure testing of pipes

#84
20100243090
2010-09-30

Mechanical clean-out test plug

#85
20100206416
2010-08-19

Pipe sealing tool with external clamp

#86
20100186484
2010-07-29

Apparatus and Method for Isolating or Testing a Pipe Segment with Axial Reinforcement

#87
20100095746
2010-04-22

Engine leak detector and leak detection method

#88
20100083738
2010-04-08

Test Plug and Method for Monitoring Downstream Conditions

#89
20100037681
2010-02-18

Pipe pressure testing method and apparatus

#90
20090315326
2009-12-24

UNIVERSAL INLET ADAPTER

#91
20090295101
2009-12-03

Seal for pressure testing a plumbing installation and method of use thereof

#92
20090272930
2009-11-05

Resilient test valve member

#93
20090223583
2009-09-10

Apparatus for pressure testing a plumbing system

#94
20090084165
2009-04-02

Nozzle testing apparatus and method

#95
20080223113
2008-09-18

Method for pressure testing a threaded component

#96
20080211228
2008-09-04

Pipe testing tool with magnetic clamps

#97
20080188991
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#98
20080185050
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#99
20080185049
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#100
20080184781
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#101
20080134764
2008-06-12

Apparatus And Method For Providing A Test Tee

#102
20080121044
2008-05-29

Method and apparatus for applying axial stress for weld testing

#103
20070248202
2007-10-25

Weld testing apparatus and method for nozzles

#104
20070102054
2007-05-10

Water pipe coupling with off-centered piercing assembly for tear out disk and method of removing disk

#105
20070056356
2007-03-15

Apparatus and method for providing a test tee

#106
20070007732
2007-01-11

Tear-out coupling and water line

#107
20060225801
2006-10-12

Pipe plug

#108
20060086400
2006-04-27

Apparatus and method for isolating and testing a segment of pipelines

#109
20050223780
2005-10-13

Pipeline leak-testing method

#110
20050200130
2005-09-15

Radiator inlet adapter

#111
20050189027
2005-09-01

Plumbing test plug and method