ClassID:

167043

G01M3/3272 - 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 containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers

Recent Application in this class:
#1
20260136872
2026-05-14

LIQUID CHEMICAL SUPPLY SYSTEM HAVING LEAK DETECTION AND RELATED METHODS

#2
20250341441
2025-11-06

WATERPROOFING INSPECTION APPARATUS

#3
20250334473
2025-10-30

Light fixture with self-test ability of sealing

#4
20250283776
2025-09-11

LEAKAGE DIAGNOSIS METHOD AND LEAKAGE DIAGNOSIS SYSTEM FOR A TANK OF A VEHICLE

#5
20250178830
2025-06-05

FLOATING ROOF TANK MONITORING APPARATUS AND METHODS

#6
20250104880
2025-03-27

CONTAINMENT ISOLATION TEST FIXTURE FOR LEAK RATE TESTING

#7
20250027833
2025-01-23

SYSTEM AND METHOD FOR SELECTING VIRTUAL APPLIANCES IN COMMUNICATIONS WITH VIRTUAL PRIVATE CLOUD NETWORKS

#8
20240418267
2024-12-19

Apparatus, System And Method For Monitoring Sealing Devices

#9
20240377238
2024-11-14

METHOD FOR DETERMINING A QUANTITY OF GAS CONTAINED IN AN INSULATED SWITCHGEAR

#10
20240309999
2024-09-19

METHOD AND SYSTEM FOR DIAGNOSING LEAKAGE IN HYDROGEN SYSTEM FOR VEHICLE, ELECTRONIC DEVICE, AND STORAGE MEDIUM

#11
20240295457
2024-09-05

SEAL-INTEGRITY DIAGNOSTIC SYSTEM

#12
20240280431
2024-08-22

METHOD AND APPARATUS FOR GAS LEAK DETECTION

#13
20240272035
2024-08-15

METHOD AND APPARATUS FOR GAS LEAK DETECTION

#14
20240142334
2024-05-02

DIAGNOSTIC SYSTEM

#15
20240118163
2024-04-11

REAR COVER OF ELECTRONIC DEVICE, ELECTRONIC DEVICE, AND AIR TIGHTNESS DETECTION SYSTEM OF ELECTRONIC DEVICE

#16
20240044739
2024-02-08

System and method for selecting virtual appliances in communications with virtual private cloud networks

#17
20240027300
2024-01-25

APPARATUS AND METHOD FOR AUTOMATIC LEAK DETECTION

#18
20240003776
2024-01-04

AUTOMATIC LIQUID TANK JACKET TESTING APPARATUS

#19
20240003775
2024-01-04

Fully-automatic portable hydrotest system

#20
20240002775
2024-01-04

SYSTEM AND METHODS FOR VERIFYING THE INTEGRITY OF A BIOPROCESSING SYSTEM USING PRESSURIZATION

#21
20230420748
2023-12-28

APPARATUS FOR ANALYZING BATTERY CASE

#22
20230280233
2023-09-07

LEAK DETECTION METHOD AND SYSTEM

#23
20230194381
2023-06-22

Method for the indirect evaluation of pre-charge air pressure in a diaphragm-type or bladder-type expansion tank

#24
20230168145
2023-06-01

Self-diagnostic gas density relay and use method thereof

#25
20230168144
2023-06-01

DETERMINING THE FLUID DENSITY IN AN ELECTRICAL DEVICE

#26
20230138515
2023-05-04

Airfield Ground Light with Integrated Light Controller That Employs Powerline Communications and Sensors

#27
20230088151
2023-03-23

SYSTEM AND METHOD FOR DETERMINING THE INTEGRITY OF CONTAINERS BY OPTICAL MEASUREMENT

#28
20230054970
2023-02-23

Leak test device

#29
20230008702
2023-01-12

DEVICE AND METHOD FOR DETECTING LEAKAGE OF A HYDRAULIC CYLINDER

#30
20220361600
2022-11-17

Wearable protection device

#31
20220307439
2022-09-29

Determining the size of a leak in a fuel tank system

#32
20220268661
2022-08-25

Medical fluid cassette leak detection methods and devices

#33
20220214242
2022-07-07

Adapter part for connecting a medical hollow body to a tension/compression measuring device, test assembly, method for testing a tightness of a medical hollow body, and use of a tension/compression measuring device

#34
20220146365
2022-05-12

Seal tester apparatus and method

#35
20220074805
2022-03-10

Method and apparatus for hermeticity test

#36
20220065734
2022-03-03

Method for detecting and preventing leaks

#37
20220034406
2022-02-03

APPARATUS, SYSTEM AND METHOD FOR MONITORING SEALING DEVICES

#38
20210302266
2021-09-30

Pressure sensor for evaporated fuel leak detector

#39
20210247264
2021-08-12

Apparatus for detecting a gas in a headspace of a container

#40
20210172827
2021-06-10

Apparatus for analyzing battery case

#41
20210142637
2021-05-13

Pilf resistant packaging system

#42
20210140846
2021-05-13

Method for checking water sealing of instrumentation for underwater use

#43
20210130022
2021-05-06

Apparatus and Method for Determining the Existence of a Pressure Differential between the Interior and Exterior of a Sealed Bundle of Tobacco Industry Products

#44
20210108984
2021-04-15

Pressure controlled cargo container for controlled atmosphere applications

#45
20200340220
2020-10-29

Leak Detection Method and Apparatus

#46
20200262175
2020-08-20

Abrasion resistant film for biocontainers

#47
20200240960
2020-07-30

Methods for liquid chromatography fluidic monitoring

#48
20200240868
2020-07-30

Method for detecting leakage of a hollow component and installation for implementing such a method

#49
20200207611
2020-07-02

Packaging a sealed cavity in an electronic device

#50
20200191682
2020-06-18

Medical fluid cassette leak detection methods and devices

#51
20200191678
2020-06-18

Pressure-based flaw detection

#52
20200191098
2020-06-18

Evaporative fuel treatment device

#53
20200182041
2020-06-11

Well tool pressure testing

#54
20200156916
2020-05-21

Method for tightness control of a filling-sealing unit for containers, and filling-sealing machine

#55
20200096232
2020-03-26

Water heater blower leakage detection

#56
20200049586
2020-02-13

METHOD FOR CHECKING THE FUNCTIONAL CAPABILITY OF THE THERMAL INSULATION OF A TRANSPORT CONTAINER

#57
20200018444
2020-01-16

STORAGE VESSEL LEAK DETECTION, REMEDIATION, AND METHOD OF TRAINING

#58
20190360889
2019-11-28

Sealing performance test method, apparatus, and storage medium

#59
20190360887
2019-11-28

Anomaly detection device for fluid controller, anomaly detection system, anamoly detection method, and fluid controller

#60
20190301967
2019-10-03

Method and apparatus for hermeticity test

#61
20190282078
2019-09-19

ENDOSCOPE REPROCESSING SYSTEM AND METHOD

#62
20190257710
2019-08-22

Fail-safe tank with integrated sensor and methods for detecting a leak in a wall of the tank

#63
20190242778
2019-08-08

System for pressure monitoring and processing leakage determination of a bladder

#64
20190210321
2019-07-11

Abrasion resistant film for biocontainers

#65
20190204178
2019-07-04

Tank testing apparatus and method

#66
20190071304
2019-03-07

Packaging a sealed cavity in an electronic device

#67
20190063686
2019-02-28

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

#68
20190049332
2019-02-14

Identification of air leaks in a compressed air system using a plurality of current measurement sensors

#69
20190033164
2019-01-31

Systems and methods for diagnosing seal integrity in a battery

#70
20190023432
2019-01-24

Flow wrapper with leakage-control of the resulting packages

#71
20190011323
2019-01-10

Method and device for leak testing an internal combustion engine

#72
20180374326
2018-12-27

Pilf resistant packaging system

#73
20180340916
2018-11-29

Methods for liquid chromatography fluidic monitoring

#74
20180335367
2018-11-22

Evaporative emissions control systems testing device

#75
20180328812
2018-11-15

Apparatus and method for leak testing

#76
20180275007
2018-09-27

Portable appliance testing apparatus

#77
20180252367
2018-09-06

Storage vessel leak detection, remediation, and method of training

#78
20180238766
2018-08-23

AIR TIGHT PACKAGING CONTAINER FOR EASY LEAKAGE TEST AND LEAKAGE TEST METHOD AND APPARATUS USING SAME

#79
20180203423
2018-07-19

Method for safe control of gas delivery to an electron microscope sample holder

#80
20180188132
2018-07-05

Method and device for testing air tightness

#81
20180164178
2018-06-14

Tank venting system for a motor vehicle as well as motor vehicle and method for operating a tank venting system

#82
20180149553
2018-05-31

Differential pressure measurement with film chamber

#83
20180148759
2018-05-31

Apparatus and method for carrying out an integrity test

#84
20180128708
2018-05-10

System and method for detecting failures in insulating glass units

#85
20180128707
2018-05-10

Protecting body for a flexible pouch, system for containing a biopharmaceutical fluid and methods for using such a system

#86
20180087997
2018-03-29

Multi-envelope bag and systems and methods for detecting a possible loss of integrity of such a bag

#87
20180073956
2018-03-15

System and method for monitoring hydrogen flux

#88
20180058974
2018-03-01

FLUID RETENTION DEVICE

#89
20180058973
2018-03-01

Method for detecting a fluid leak in a turbomachine and fluid distribution system

#90
20170368790
2017-12-28

Abrasion resistant film for biocontainers

#91
20170363525
2017-12-21

Pressure testing method and apparatus

#92
20170299455
2017-10-19

Group and method for measuring the pressure in closed containers

#93
20170241858
2017-08-24

Method and apparatus for hermeticity test

#94
20170219456
2017-08-03

Method and apparatus for leak detection

#95
20170176282
2017-06-22

Component device and method for detecting a damage in a bonding of a component device

#96
20170159267
2017-06-08

Simplified leak detection in a plumbing system using pressure decay principle

#97
20170115178
2017-04-27

Medical fluid cassette leak detection methods and devices

#98
20170059442
2017-03-02

Seal monitor for probe or test chamber

#99
20170022920
2017-01-26

Vehicular liquid containment system and method for verifying integrity of same

#100
20170003191
2017-01-05

Pneumatic diagnostic method and system for detecting leakage in a pneumatic system

#101
20160363503
2016-12-15

Leak test method and leak test apparatus

#102
20160178472
2016-06-23

Leak testing apparatus and method

#103
20160161359
2016-06-09

Air tight packaging container for easy leakage test and leakage test method and apparatus using same

#104
20160103036
2016-04-14

Method for inspecting sealability of vacuum chamber

#105
20160095508
2016-04-07

Endoscope reprocessing method

#106
20160091389
2016-03-31

Systems and methods for sample characterization

#107
20160084730
2016-03-24

Ultrasonic testing device and ultrasonic testing method

#108
20160083964
2016-03-24

Modular wall paneling system

#109
20160054194
2016-02-25

Method of inline inspecting and/or testing devices and apparatus to perform such method

#110
20160040109
2016-02-11

Bioreactor container and integrity check method for bioreactor containers

#111
20160033355
2016-02-04

Method for safe control of gas delivery to an electron microscope sample holder

#112
20160023876
2016-01-28

Method and filling system for filling containers

#113
20150369691
2015-12-24

Leak test system and method for testing semi-finished product of speaker

#114
20150369690
2015-12-24

Water resistance inspection system and inspection method

#115
20150355049
2015-12-10

DETERMINATION OF A LEAKAGE RATE OF AN INSULATION GAS

#116
20150268124
2015-09-24

Test head assembly for use in testing protective masks

#117
20150233782
2015-08-20

System to verify rod anode integrity

#118
20150219522
2015-08-06

Correlation based fuel tank leak detection

#119
20150135803
2015-05-21

Manifold assembly for a portable leak tester

#120
20150090045
2015-04-02

Method and device for the early detection of crack formations in media-carrying workpieces

#121
20150017063
2015-01-15

ISOLATOR

#122
20140345365
2014-11-27

Headspace sampler

#123
20140299316
2014-10-09

Well tool pressure testing

#124
20140278178
2014-09-18

Micro-climate display enclosure

#125
20140276421
2014-09-18

Medical fluid cassette leak detection methods and devices

#126
20140260550
2014-09-18

Method and apparatus for checking sealing state of housing

#127
20140230525
2014-08-21

Electronic device provided with automatic leak detection means

#128
20140193897
2014-07-10

Bioreactor container and integrity check method for bioreactor containers

#129
20140170446
2014-06-19

Sensor module and battery elements

#130
20140165708
2014-06-19

Method for leak testing a housing

#131
20140150533
2014-06-05

Method and apparatus for detecting airtight state of machine-tool window

#132
20140046605
2014-02-13

Leak detection in fluid conducting conduit

#133
20130318917
2013-12-05

Method and arrangement for leak detection

#134
20130263648
2013-10-10

VALVE DEVICE AND FUEL-VAPOR LEAK DETECTION DEVICE USING THE SAME

#135
20130192346
2013-08-01

Apparatus and method for determining package integrity for porous and non-porous packages

#136
20130104664
2013-05-02

Flexible container inspection

#137
20130000380
2013-01-03

Method for detecting high-pressure sealing performance of gas system after impact test of compressed natural gas vehicle

#138
20120275965
2012-11-01

Isolator

#139
20120272723
2012-11-01

Gas tightness testing member and electronic device having the same

#140
20120243854
2012-09-27

Electronic device and imaging device

#141
20120103070
2012-05-03

Leakage detector for compressors

#142
20120067109
2012-03-22

Method and apparatus for continuously monitoring interstitial regions in gasoline storage facilities and pipelines

#143
20120052311
2012-03-01

Methods of bonding and articles formed thereby

#144
20110120234
2011-05-26

Method for assessing the seal of a servomotor housing

#145
20100257919
2010-10-14

Method and apparatus for inspecting pinhole in synthetic resin bottle

#146
20100206708
2010-08-19

Pressure sensor for a hermetically sealed container

#147
20100071473
2010-03-25

Internal pressure sensor

#148
20100013646
2010-01-21

Method and apparatus for continuously monitoring interstitial regions in gasoline storage facilities and pipelines

#149
20090313954
2009-12-24

Method and assembly for the controlled change of the gas content inside a package

#150
20090169703
2009-07-02

OXYGEN INFUSION CONTROL FOR COFFEE CONTAINER

#151
20090165536
2009-07-02

Sealing status inspecting apparatus and sealing status inspecting method

#152
20090084188
2009-04-02

Frame crack detection method

#153
20090018381
2009-01-15

Container for accommodating media, and method for the production and verification of the leakproofness of said container

#154
20080221809
2008-09-11

PRESSURE MONITORING SYSTEM

#155
20080221807
2008-09-11

PRESSURE MONITORING SYSTEM

#156
20080202213
2008-08-28

System and method for self-verification of safe storage within hermetically sealed containers

#157
20080194962
2008-08-14

Methods for verifying the integrity of probes for ultrasound imaging systems

#158
20080163677
2008-07-10

Detecting and reporting the location of a leak in hermetically sealed packaging

#159
20080098801
2008-05-01

Method and apparatus for continuously monitoring interstitial regions in gasoline storage facilities and pipelines

#160
20080092635
2008-04-24

Instrument and method for detecting and reporting the size of leaks in hermetically sealed packaging

#161
20080060415
2008-03-13

Method for testing a stored gas container

#162
20070266773
2007-11-22

Instrument and method for detecting leaks in hermetically sealed packaging

#163
20070027640
2007-02-01

Method and apparatus for monitoring SF6 gas and electric utility apparatus

#164
20060191322
2006-08-31

Hole inspection system for a pierced container

#165
20060037383
2006-02-23

Method and apparatus for continuously monitoring interstitial regions in gasoline storage facilities and pipelines

#166
20050247110
2005-11-10

Adaptive leak testing method

#167
20050212066
2005-09-29

Microfabricated hot wire vacuum sensor

#168
20050211024
2005-09-29

Fluid pressure testing device method and tap assembly therefor

#169
20050210987
2005-09-29

Pressure measurement in microwave-assisted chemical synthesis

#170
17409668
2023-10-17

System and method for selecting virtual appliances in communications with virtual private cloud networks

#171
15889131
2020-08-25

System and method for selecting virtual appliances in communications with virtual private cloud networks

#172
15413219
2020-06-30

Making a plastic tank with an integrity-verifiable weld joint