ClassID:

167035

G01M3/32 - 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

Sub-classes:
Recent Application in this class:
#1
20250334472
2025-10-30

METHOD FOR MONITORING A CENTRIFUGAL SEPARATOR FOR DRUM LEAKAGE

#2
20250216286
2025-07-03

DEVICE FOR TESTING GAS TIGHTNESS OF CRYOGENIC THERMAL INSULATION MODULE AND GAS FLUIDITY THEREIN

#3
20250130135
2025-04-24

METHOD AND SYSTEM FOR AUTOMATICALLY ESTIMATING THE REMAINING USEFUL LIFETIME OF AT LEAST ONE OXYGEN BOTTLE IN THE COCKPIT OF AN AIRCRAFT

#4
20250076147
2025-03-06

LEAKAGE DETECTION SYSTEM

#5
20250022328
2025-01-16

System and Method for Identifying a Fuel Loss Event

#6
20250003824
2025-01-02

SYSTEM AND METHOD FOR DETECTING LEAKS IN A FLUID FILLED VESSEL

#7
20240379391
2024-11-14

AIRFLOW DETECTION DEVICE AND METHODS OF USE

#8
20240342781
2024-10-17

Apparatus for Forming Pouch-Shaped Secondary Battery Case and Forming Method Using the Same

#9
20240310236
2024-09-19

LEAK DIAGNOSIS APPARATUS

#10
20240102882
2024-03-28

SYSTEM AND METHODS FOR VERIFYING THE INTEGRITY OF A BIOPROCESSING SYSTEM USING MASS BALANCING TECHNIQUES

#11
20240079616
2024-03-07

SYSTEMS AND METHODS FOR HYDROGEN LEAK DETECTION

#12
20230408365
2023-12-21

System and method for leak testing a sealed package

#13
20230366770
2023-11-16

SYSTEM FOR ONLINE TESTING OF PACKAGING TIGHTNESS OF CIGARETTE BOXES

#14
20230366769
2023-11-16

FIRE EXTINGUISHER, A SYSTEM FOR MONITORING A FIRE EXTINGUISHER, AND METHODS FOR DETECTING LEAKAGE FROM A FIRE EXTINGUISHER

#15
20230349787
2023-11-02

METHOD FOR DETERMINING A GAS QUANTITY IN AN INSULATED SWITCHGEAR

#16
20230324250
2023-10-12

SYSTEM AND METHOD FOR DETECTING LEAKS IN A FLUID FILLED VESSEL

#17
20230221205
2023-07-13

Method for box leak detection and leak detection system

#18
20230139875
2023-05-04

Vacuum-Based Leak Detection

#19
20230067800
2023-03-02

Method of manufacturing semiconductor device and non-transitory computer-readable recording medium

#20
20230027857
2023-01-26

WASTE FLUID STORAGE CONTROL DEVICE

#21
20220409401
2022-12-29

ASSEMBLY COMPRISING A MEDICAL DEVICE ADAPTED TO BE IMPLANTED AND PACKAGING FOR SAID DEVICE

#22
20220301909
2022-09-22

Airflow detection device and methods of use

#23
20220268796
2022-08-25

Method of Operating a Laboratory Instrument

#24
20220190540
2022-06-16

LASER DEVICE AND LEAK CHECK METHOD FOR LASER DEVICE

#25
20220123355
2022-04-21

Inspection method of laminated power storage device

#26
20220090981
2022-03-24

Leak detection device

#27
20220065733
2022-03-03

Non-destructive testing method for tightness degree of small cigarette box packaging

#28
20220028189
2022-01-27

System and method for identifying a fuel loss event

#29
20210341529
2021-11-04

Gas monitoring system for gas-insulated switchgears

#30
20210172825
2021-06-10

Method of manufacturing semiconductor device and non-transitory computer-readable recording medium

#31
20210131904
2021-05-06

System and method for detecting leaks in a fluid filled vessel

#32
20210111014
2021-04-15

Sample container holding mechanism

#33
20210018395
2021-01-21

Device for inspecting waterproofness

#34
20210018394
2021-01-21

Diagnostic device, control device, fluid system and method for diagnosing leakage of pressurized fluid

#35
20200378862
2020-12-03

Method for leak testing with a foil chamber with vented measurement volume

#36
20200337322
2020-10-29

Heat exchanger with integrated testing system

#37
20200333211
2020-10-22

Vacuum toilet system with leak detection means

#38
20200232421
2020-07-23

Leak diagnosis system using active purge pump and leak diagnosis method using active purge pump

#39
20200200643
2020-06-25

SYSTEM FOR SENSING LEAKS IN A STUFFING BOX

#40
20200189902
2020-06-18

SYSTEM AND METHOD FOR STRAIN GAGE WATER MONITORING

#41
20200141830
2020-05-07

System and method for detecting leaks in a fluid filled vessel

#42
20200141829
2020-05-07

System and method for detecting leaks in a fluid filled vessel

#43
20200102202
2020-04-02

Spill containment system

#44
20190346336
2019-11-14

Leak detection installation, method, usage and corresponding computer program storage means

#45
20190339157
2019-11-07

Dynamic vacuum decay leak detection method and apparatus

#46
20190289739
2019-09-19

Electrical housing and process for testing the sealed nature of the electrical housing

#47
20190277723
2019-09-12

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

#48
20190257709
2019-08-22

Test disc system

#49
20190072453
2019-03-07

Device and process for determining the size of a leak hole in a sample

#50
20190025153
2019-01-24

Sealing tightness testing device

#51
20180364129
2018-12-20

System and method for detecting leaks in a fluid filled vessel

#52
20180364084
2018-12-20

Processing chamber gas detection system and operation method thereof

#53
20180290773
2018-10-11

Method to certify reuse of pressurized vessels

#54
20180252610
2018-09-06

Cleaning cycle for capless refueling neck

#55
20180238766
2018-08-23

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

#56
20180180224
2018-06-28

SYSTEM AND METHOD FOR GAS MANAGEMENT

#57
20170356435
2017-12-14

SYSTEM, METHOD, AND APPARATUS FOR UTILIZING A PUMPING CASSETTE

#58
20170254721
2017-09-07

Test methodology to reduce false rejections and increase number of containers tested for tightness

#59
20170219457
2017-08-03

Test disc system

#60
20170122834
2017-05-04

Determining air leakage

#61
20170097275
2017-04-06

Evacuable flexible leakage test chamber

#62
20170059443
2017-03-02

Air-tightness test equipment for turbine reduction gearbox

#63
20170030796
2017-02-02

System and method for detecting leaks in a fluid filled vessel

#64
20170010178
2017-01-12

Apparatus and method for detecting leakage in hydrogen tank of hydrogen fuel cell vehicle

#65
20160273996
2016-09-22

Managing water leakage from a water cooling system within a compute node

#66
20160251098
2016-09-01

Gas evacuation system and method

#67
20160161360
2016-06-09

Device for checking a pressurized testing tool for a fluid circuit of an aircraft

#68
20160161359
2016-06-09

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

#69
20160143611
2016-05-26

Method of testing waterproof performance of radiological imaging apparatus, and radiological imaging apparatus

#70
20160091389
2016-03-31

Systems and methods for sample characterization

#71
20150362400
2015-12-17

Device and method for differentiating a gas in a sample

#72
20150359956
2015-12-17

Fluid pumping apparatus for use with a removable fluid pumping cartridge

#73
20150355046
2015-12-10

System and method for detecting leaks in a fluid filled vessel

#74
20150211958
2015-07-30

SYSTEMS AND METHODS FOR INSPECTION OF SEALS

#75
20150211952
2015-07-30

Cleaning cycle for capless refueling neck

#76
20150192491
2015-07-09

Vacuum immersion test set

#77
20150134277
2015-05-14

Method for checking the gas tightness of a fuel cell system

#78
20140360251
2014-12-11

Airtight test apparatus and airtight test method using the same

#79
20140338428
2014-11-20

Water leak early detection system and method

#80
20140286794
2014-09-25

System, method, and apparatus for utilizing a pumping cassette

#81
20140276428
2014-09-18

System, method, and apparatus for utilizing a pumping cassette

#82
20140260556
2014-09-18

System, method, and apparatus for utilizing a pumping cassette

#83
20140260551
2014-09-18

System, method, and apparatus for utilizing a pumping cassette

#84
20140260548
2014-09-18

System and method for detecting leaks in a fluid filled vessel

#85
20140230525
2014-08-21

Electronic device provided with automatic leak detection means

#86
20140194820
2014-07-10

Fluid pumping apparatus for use with a removable fluid pumping cartridge

#87
20140183772
2014-07-03

Method and apparatus for detecting leak in a VARTM process

#88
20140174159
2014-06-26

PRESSURE-RESISTANT-CONTAINER GAS LEAKAGE DETECTING DEVICE FOR A VEHICLE TO WHICH A DISCHARGE TUBE CASING IS ATTACHED

#89
20140170446
2014-06-19

Sensor module and battery elements

#90
20140165707
2014-06-19

Test method and apparatus for bioreactor containers having reception sheet clamped between bioreactor container and bioreactor container compartment

#91
20140157873
2014-06-12

Testing apparatus for an outer housing of a pump and method for the testing of an outer housing of a pump

#92
20140130578
2014-05-15

METHOD AND APPARATUS FOR CONTINUOUSLY MONITORING INTERSTITUAL REGIONS IN GASOLINE STORAGE FACILITIES AND PIPELINES

#93
20130343936
2013-12-26

Pump chamber configured to contain a residual fluid volume for inhibiting the pumping of a gas

#94
20130318917
2013-12-05

Method and arrangement for leak detection

#95
20120242060
2012-09-27

Cargo container system with selectively deployable support and wheel assemblies

#96
20120143530
2012-06-07

Portable device, system and method for measuring a volume of a vessel using an LED

#97
20120143069
2012-06-07

Electronic sphygmomanometer that can confirm air leakage

#98
20120103103
2012-05-03

Pressure testing device

#99
20120067109
2012-03-22

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

#100
20110252883
2011-10-20

Fluid storage and dispensing system including dynamic fluid monitoring of fluid storage and dispensing vessel

#101
20110232367
2011-09-29

Fluid storage and dispensing system including dynamic fluid monitoring of fluid storage and dispensing vessel

#102
20110210857
2011-09-01

SENSOR UNIT FOR CHECKING OF MONITORING AREAS OF DOUBLE-WALLED CONTAINERS OR DOUBLE-WALLED PIPELINES, OR DOUBLE-WALLED VESSELS

#103
20110153232
2011-06-23

GAS PRESSURE MONITORING SYSTEM AND GAS-INSULATED ELECTRIC APPARATUS

#104
20110056275
2011-03-10

Container inspection utilizing linear force actuator

#105
20100326584
2010-12-30

Method and apparatus for detecting leak in a VARTM process

#106
20100296953
2010-11-25

Pump chamber configured to contain a residual fluid volume for inhibiting the pumping of a gas

#107
20100206052
2010-08-19

Control method and device of filled water volume in fluid space

#108
20100058874
2010-03-11

Method and apparatus for diagnosis of liquid losses in pressure measuring transducers filled with pressure transmitting liquids

#109
20100013646
2010-01-21

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

#110
20090320566
2009-12-31

Systems and methods for monitoring the integrity of a tank

#111
20090202367
2009-08-13

Tube occluder and method for occluding collapsible tubes

#112
20090100910
2009-04-23

Additional containment system for storage tank

#113
20090096618
2009-04-16

Oil leakage detector

#114
20090084457
2009-04-02

Transfer pipe of dried concentrate and breakage detecting method of transfer pipe

#115
20090018381
2009-01-15

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

#116
20090007641
2009-01-08

Method to test for a leak in a fuel tank system

#117
20080280380
2008-11-13

Fluid storage and dispensing system including dynamic fluid monitoring of fluid storage and dispensing vessel

#118
20080264156
2008-10-30

PROCEDURE FOR DIAGNOSING A FUEL TANK VENTILATION SYSTEM OF A VEHICLE AND DEVICE FOR IMPLEMENTING THE PROCEDURE

#119
20080184776
2008-08-07

Adaptive oil pressure fault detection

#120
20080178661
2008-07-31

Systems and methods for monitoring the integrity of a tank

#121
20080121015
2008-05-29

Gas detection system and method

#122
20080098801
2008-05-01

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

#123
20070177327
2007-08-02

Additional containment system for storage tank

#124
20060261964
2006-11-23

Safety device for laboratory work, especially for liquid chromatography systems

#125
20060224042
2006-10-05

Automated endoscope reprocessor connection integrity testing via liquid suction

#126
20060088948
2006-04-27

Fluid storage and dispensing system including dynamic fluid monitoring of fluid storage and dispensing vessel

#127
20060048564
2006-03-09

Systems and methods for monitoring the integrity of a tank

#128
20060037383
2006-02-23

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

#129
20050252277
2005-11-17

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

#130
20050160796
2005-07-28

Double-walled containment enclosure

#131
20050069425
2005-03-31

Tube occluder for occluding collapsible tubes

#132
15041875
2016-10-25

Fluid detection system for a plurality of tanks

#133
13874182
2015-08-04

Hermetic seal leak detection apparatus with variable size test chamber