ClassID:

167028

G01M3/2853 - CPC Classification

Classification description:

Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals

Sub-classes:
Recent Application in this class:
#1
20250341272
2025-11-06

QUICK CONNECT MANIFOLD FOR FLOWABLE MATERIAL DELIVERY TO A PART-FORMING FIXTURE AND ASSOCIATED SYSTEMS AND METHODS

#2
20250244196
2025-07-31

JOINT LEAKAGE DETECTION SYSTEM

#3
20250224302
2025-07-10

High Pressure Gas Fitting Leak Detection Systems and Related Methods

#4
20250189402
2025-06-12

WELDMENT TEST SYSTEM

#5
20250123177
2025-04-17

LIQUID DELIVERY ABNORMALITY DIAGNOSIS METHOD AND LIQUID CHROMATOGRAPH

#6
20250116566
2025-04-10

High pressure gas fitting leak detection systems and related methods

#7
20250027832
2025-01-23

External Pressure Testing Fixture For Tubing Unions

#8
20240377278
2024-11-14

EQUIPMENT INSPECTION SYSTEM

#9
20240328888
2024-10-03

LEAK TESTING DEVICE

#10
20240247997
2024-07-25

AUTO TEST CIRCUIT USING AN INTENSIFIER

#11
20240219258
2024-07-04

LEAKAGE DETECTION APPARATUS, SUBSTRATE PROCESSING APPARATUS, SUBSTRATE PROCESSING METHOD, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM

#12
20240085264
2024-03-14

Sensor system with a leakage detector

#13
20230408361
2023-12-21

PIPE PRESSURE TESTING METHOD AND APPARATUS

#14
20230250911
2023-08-10

QUICK CONNECT MANIFOLD FOR FLOWABLE MATERIAL DELIVERY TO A PART-FORMING FIXTURE AND ASSOCIATED SYSTEMS AND METHODS

#15
20230144178
2023-05-11

Automomously reporting plumbing mesh network applications

#16
20230141451
2023-05-11

Assembling and testing ampoules

#17
20230141092
2023-05-11

Watertightness testing device and watertightness testing method

#18
20230139386
2023-05-04

Watertightness testing method and assembling device

#19
20230134438
2023-05-04

Device and method for leakage testing of a connection between a rubber stopper and a corresponding drug container

#20
20230021939
2023-01-26

Pipe pressure testing method and apparatus

#21
20230012985
2023-01-19

Pressure test insert and frame

#22
20220390317
2022-12-08

Portable hydrostatic test tool

#23
20220244132
2022-08-04

Weldment test system

#24
20220243585
2022-08-04

Non-intrusive wellhead seal monitoring

#25
20220082190
2022-03-17

Apparatus and method for sealing and monitoring a bolted flange joint

#26
20220042873
2022-02-10

Device and method for leakage testing of a connection between a rubber stopper and a corresponding drug container

#27
20220026303
2022-01-27

Seal assembly and method of testing

#28
20210372874
2021-12-02

Sensing using nanoparticle based strain sensors

#29
20210278305
2021-09-09

Sensor system with a leakage detector

#30
20210262888
2021-08-26

In line inspection strain device method and apparatus for performing in line joint inspections

#31
20210262481
2021-08-26

Sealing system, and pump system including the sealing system

#32
20210244987
2021-08-12

Corrosion monitoring in a fluid distribution system

#33
20210244986
2021-08-12

Corrosion monitoring in a fluid distribution system

#34
20210213317
2021-07-15

Corrosion monitoring in a fire sprinkler system

#35
20210080341
2021-03-18

Sealability evaluation method and the like and standard artificial leak device

#36
20200370992
2020-11-26

Method for measuring the size of a leak flow of a seal

#37
20200370991
2020-11-26

Passive leak detection for building water supply

#38
20200370692
2020-11-26

HYDRAULIC JOINT

#39
20200337543
2020-10-29

Apparatus for decontaminating equipment having internal channels (lumens)

#40
20200256754
2020-08-13

Pipe pressure testing method and apparatus

#41
20200217436
2020-07-09

Connection system between a distribution member and a receiving member and leak detection method

#42
20200191678
2020-06-18

Pressure-based flaw detection

#43
20200096413
2020-03-26

Passive leak detection for building water supply

#44
20200088324
2020-03-19

Bundle section of a pipe bundle for subsea installation

#45
20190277723
2019-09-12

On-line sealing detecting device, multi-section-type seal chamber processing equipment and method

#46
20190195723
2019-06-27

Pipeline element leak detection system and method

#47
20190187022
2019-06-20

Methods and systems for determining residual life of a swivel

#48
20190094101
2019-03-28

LEAK SENSOR ASSEMBLIES AND SYSTEMS UTILIZING SAME

#49
20190086004
2019-03-21

Arrangement for fluid-sealing connection of lines

#50
20190078964
2019-03-14

System and a method for testing a pipe joint

#51
20190078963
2019-03-14

System and a method for testing a pipe joint

#52
20190078962
2019-03-14

System and method for testing high pressure fluid control products

#53
20190078961
2019-03-14

System and method for testing high pressure fluid control products

#54
20190072452
2019-03-07

VALVE MANIFOLD

#55
20190063686
2019-02-28

High pressure tank device and method of detecting leakage in high pressure tank device

#56
20180275007
2018-09-27

Portable appliance testing apparatus

#57
20180238028
2018-08-23

Work machine

#58
20180228961
2018-08-16

Blood purification apparatus

#59
20180195928
2018-07-12

Hydraulic plate and pipe connection system

#60
20180064978
2018-03-08

Corrosion monitoring in a fire sprinkler system

#61
20180023738
2018-01-25

Hydraulic joint

#62
20180020905
2018-01-25

Apparatus for decontaminating equipment having internal channels (lumens)

#63
20170261396
2017-09-14

Fluid path inspection device and fluid path inspection method

#64
20170146425
2017-05-25

Test flange assemblies and related methods

#65
20170122479
2017-05-04

Fuel piping structure

#66
20160370249
2016-12-22

Pipe pressure testing method and apparatus

#67
20160361531
2016-12-15

Apparatus and method for opening and/or evaluating connection site

#68
20160349142
2016-12-01

Pipeline element leak detection system and method

#69
20160341627
2016-11-24

Valve manifold

#70
20160312934
2016-10-27

Compact pipe flange gasket

#71
20160223426
2016-08-04

Apparatus and method for quantifying fluid loss in a closed system

#72
20160215888
2016-07-28

Bidirectionally testable seal configuration

#73
20160186910
2016-06-30

Pipe fittings allowing non-destructive pressure testing of integrity of seals

#74
20160161358
2016-06-09

VALIDATION TECHNIQUES FOR FLUID DELIVERY SYSTEMS

#75
20160101491
2016-04-14

Apparatus and method for assembling, measuring, and monitoring integrity of mechanical pipe joints

#76
20160061688
2016-03-03

Fatigue testing of a test specimen

#77
20150330890
2015-11-19

Intermediate sealing for ultradeep water applications

#78
20150300908
2015-10-22

Rotorcraft actuator seal leakage monitor

#79
20150290483
2015-10-15

Corrosion monitoring in a fire sprinkler system

#80
20150268126
2015-09-24

Leak detection device in joints between pipes with flanges and gaskets

#81
20150192232
2015-07-09

Sleeve member, end fitting assembly and method of assembly of flexible pipe

#82
20150151261
2015-06-04

Mechanical agitator with seal housing assembly

#83
20150143878
2015-05-28

Assembly and seal test

#84
20150108723
2015-04-23

DOUBLE METAL TO METAL KX SEAL

#85
20150076809
2015-03-19

Electrofusion fittings and methods

#86
20150035238
2015-02-05

Pipe pressure testing method and apparatus

#87
20140345366
2014-11-27

PIPELINE LEAK DETECTOR

#88
20140332240
2014-11-13

Corrosion monitoring in a fire sprinkler system

#89
20130299238
2013-11-14

System and method for monitoring seals between a stationary conduit and a rotating conduit

#90
20130213121
2013-08-22

METHOD AND APPARATUS FOR PRESSURE TESTING A PIPE JOINT

#91
20130192695
2013-08-01

Low pressure hot tap pipeline isolation

#92
20130073227
2013-03-21

System and method for testing fluid seals for leaks

#93
20130019690
2013-01-24

Test apparatus for a threaded joint for oil country tubular goods

#94
20120255345
2012-10-11

METHODS AND SYSTEMS FOR DETECTING AND SEALING DRY FIT CONNECTIONS IN A PIPING ASSEMBLY

#95
20120255344
2012-10-11

Pipe pressure testing method and apparatus

#96
20110259582
2011-10-27

Fluid system component with sacrificial element

#97
20110154886
2011-06-30

Flange fitting with leak sensor port

#98
20100280770
2010-11-04

System to determine connector leaks during testing

#99
20100037681
2010-02-18

Pipe pressure testing method and apparatus

#100
20100005862
2010-01-14

Sensor for detecting surface cracks in a component or structure

#101
20090127848
2009-05-21

Flange fitting with leak sensor port

#102
20080017390
2008-01-24

Isolation tool

#103
20070102114
2007-05-10

Low stress to seal expanded PTFE gasket tape

#104
20070051164
2007-03-08

Method and apparatus for verifying the integrity of a joint seal

#105
20070034265
2007-02-15

Rotary feed-through with leakage sensor

#106
20050252279
2005-11-17

Apparatus and methodology of hydrostatically testing of oil field tubing and casing

#107
20050202233
2005-09-15

Low stress to seal expanded PTFE gasket tape

#108
20050082822
2005-04-21

Erosion-indicating safety fitting

#109
19182651
2025-12-02

Method for quantitative evaluation of gas seal performance of annular blowout preventer

#110
18412727
2026-05-26

High-pressure hydrogen test fixture

#111
18224490
2024-06-11

Test port assembly for inspecting a seal around a pipe passing through a wall type structure

#112
17452064
2022-11-29

Triaxial leak criterion with thread shear for optimizing threaded connections in well tubulars

#113
16413331
2021-10-26

Triaxial leak criterion for optimizing threaded connections in well tubulars

#114
15448963
2018-05-29

Pipe coupling