ClassID:

167036

G01M3/3209 - 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 Details, e.g. container closure devices

Recent Application in this class:
#1
20260110590
2026-04-23

LEAK DETECTION SYSTEM FOR RECIPROCATING COMPRESSOR OF HYDROGEN REFUELING STATION

#2
20260092828
2026-04-02

Apparatus for Detecting Moisture Penetration

#3
20260078330
2026-03-19

ATTACHMENT DEVICE FOR SINGLE USE CONTAINERS

#4
20260063500
2026-03-05

Method and Apparatus for Detecting a Defect of a Housing of a Controller

#5
20250334473
2025-10-30

Light fixture with self-test ability of sealing

#6
20250327714
2025-10-23

MULTI-SEVERITY LEAK DETECTION APPARATUS FOR COMPUTING DEVICE

#7
20250290823
2025-09-18

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

#8
20250283776
2025-09-11

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

#9
20250231077
2025-07-17

LEAK DETECTION SYSTEM WITH AUTOMATIC SHUTOFF VALVE

#10
20250227867
2025-07-10

INGRESS PROTECTION OF POWER ELECTRONIC DEVICES AND A METHOD FOR AN AIR LEAKAGE TEST THEREOF

#11
20250198877
2025-06-19

LEAKAGE DETECTING DEVICE OF HYDROGEN STORING SYSTEM

#12
20250178830
2025-06-05

FLOATING ROOF TANK MONITORING APPARATUS AND METHODS

#13
20250137871
2025-05-01

SYSTEM AND METHOD FOR MONITORING AND REPORTING LIQUID NITROGEN CONTAINER LEVEL

#14
20250116567
2025-04-10

BATTERY TEST TOOLING, AND USE METHOD AND CONTROL METHOD FOR BATTERY TEST TOOLING

#15
20250105322
2025-03-27

SYSTEMS AND METHODS OF FUEL CELL HUMIDIFIER LEAK DETECTION

#16
20250044180
2025-02-06

Pressure testing of equipment

#17
20250043912
2025-02-06

STORAGE TANK

#18
20250012661
2025-01-09

LEAK DETECTION DEVICE

#19
20240426695
2024-12-26

SEALING TEST CABINET FOR BATTERY PACK

#20
20240379391
2024-11-14

AIRFLOW DETECTION DEVICE AND METHODS OF USE

#21
20240361263
2024-10-31

X-ray fluorescence spectrometer

#22
20240347779
2024-10-17

DEVICE FOR DETECTING LEAKS FOR MOTOR VEHICLE BATTERY PACK

#23
20240344009
2024-10-17

APPARATUS AND METHODS OF USE

#24
20240337555
2024-10-10

DEVICE FOR TESTING PACKAGING LEAKAGE USING DIFFERENCE IN PRESSURE AND DISTANCE

#25
20240310237
2024-09-19

MICROCAPILLARY HOLDER, TEST SYSTEM AND PROCESS

#26
20240175777
2024-05-30

ELECTRIC MACHINE FOR MOTOR VEHICLES, METHOD FOR TESTING THE SEALING OF GASKETS PROVIDED IN SUCH AN ELECTRIC MACHINE, AND MOTOR VEHICLE AXLE PROVIDED WITH SUCH ELECTRIC MACHINE

#27
20240118163
2024-04-11

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

#28
20240085266
2024-03-14

SYSTEMS AND METHODS FOR PROVIDING A VOLUMETRIC DETECTION SYSTEM

#29
20230420748
2023-12-28

APPARATUS FOR ANALYZING BATTERY CASE

#30
20230400376
2023-12-14

METHOD AND APPARATUS FOR TESTING THE TIGHTNESS OF A CONTAINER CLOSED BY A MEMBRANE

#31
20230296468
2023-09-21

DUAL MODE FUEL TANK LEAKAGE DETECTOR

#32
20230235265
2023-07-27

Attachment device for single use containers

#33
20230043915
2023-02-09

Leakage detector

#34
20220373425
2022-11-24

Seal-testing device for a double-door transfer system

#35
20220341810
2022-10-27

Inspection system

#36
20220301909
2022-09-22

Airflow detection device and methods of use

#37
20220291076
2022-09-15

LEAKAGE DETECTION UNIT WITH VARIABLE SIZE ORIFICE

#38
20220220918
2022-07-14

Fuel system test apparatus and method

#39
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

#40
20220196514
2022-06-23

System and method for monitoring and reporting liquid nitrogen container level

#41
20220187155
2022-06-16

Real-time, non-destructive Container Closure Integrity measurement

#42
20220146364
2022-05-12

Backup oxygen supply bottle pressure measurement and leak test tool

#43
20220135927
2022-05-05

Attachment device for single use containers

#44
20220074806
2022-03-10

Bleeding air regulator control pneumatic circuit, and leakage detection system for testing a device under test

#45
20220074805
2022-03-10

Method and apparatus for hermeticity test

#46
20210302265
2021-09-30

Pressure sensor for evaporated fuel leak detector

#47
20210208022
2021-07-08

LEAKING TANK TESTING DEVICE

#48
20210198800
2021-07-01

LEAK CHECKING METHOD, LEAK CHECKING APPARATUS, ELECTROPLATING METHOD, AND ELECTROPLATING APPARATUS

#49
20210088406
2021-03-25

Vacuum decay leak detection with correction for interferences

#50
20210080342
2021-03-18

Leaking tank testing device

#51
20210010895
2021-01-14

Method for leak testing a tank head before it enters service

#52
20200386649
2020-12-10

System and method for monitoring and reporting liquid nitrogen container level

#53
20200346053
2020-11-05

Fit-test method for respirator with sensing system

#54
20200340880
2020-10-29

Methods and apparatus for leak detection from a thief hatch

#55
20200308527
2020-10-01

Attachment device for single use containers

#56
20200292409
2020-09-17

Bleeding air regulator control pneumatic circuit, leakage detection system for testing a device under test, and method of testing for leaks in a device under test

#57
20200292408
2020-09-17

Device for detecting an oil leak

#58
20200271541
2020-08-27

Device and method for container closure integrity testing

#59
20200217276
2020-07-09

Leakage detector for fuel vapor treatment device

#60
20200182737
2020-06-11

LEAKAGE INSPECTION DEVICE FOR CONTAINER, LEAKAGE INSPECTION METHOD FOR CONTAINER, AND CONVEYED CONTAINER PROCESSING DEVICE

#61
20200072698
2020-03-05

System and method for monitoring and reporting liquid nitrogen container level

#62
20200061400
2020-02-27

DEVICE FOR MEASURING THE LEAKAGE RATE OF AT LEAST ONE ELEMENT OF A PROTECTIVE BREATHING MASK

#63
20200056957
2020-02-20

Leak detection system and method

#64
20200010972
2020-01-09

Leak checking method, leak checking apparatus, electroplating method, and electroplating apparatus

#65
20190301967
2019-10-03

Method and apparatus for hermeticity test

#66
20190257709
2019-08-22

Test disc system

#67
20190234561
2019-08-01

Failure indicator supplemental vessel for primary vessel

#68
20190145852
2019-05-16

Quick leak detection on dimensionally stable/slack packaging without the addition of test gas

#69
20190094102
2019-03-28

In-situ gloveport glove leak tester

#70
20190056285
2019-02-21

Leakage inspection method and leakage inspection device for container to be inspected

#71
20180275007
2018-09-27

Portable appliance testing apparatus

#72
20180261345
2018-09-13

Single rod ultrasonic leak detection tool

#73
20180246010
2018-08-30

Methods for evaluating the lubrication of an apparatus which can be lubricated by means of a lubricant circuit

#74
20180238767
2018-08-23

Arrangement and method for testing the tightness of a container

#75
20180172548
2018-06-21

Non-destructive leak source detection and identification for complex bagging in conjunction with flow measurement systems

#76
20180135198
2018-05-17

Leak checking method, leak checking apparatus, electroplating method, and electroplating apparatus

#77
20180067014
2018-03-08

WATER LEAK EARLY DETECTION SYSTEM AND METHOD

#78
20180038765
2018-02-08

CONTAINMENT TESTING DEVICES, METHODS, AND SYSTEMS

#79
20170284890
2017-10-05

Seal detecting device and means thereof

#80
20170241858
2017-08-24

Method and apparatus for hermeticity test

#81
20170219457
2017-08-03

Test disc system

#82
20170219456
2017-08-03

Method and apparatus for leak detection

#83
20170176283
2017-06-22

ENDOSCOPE REPROCESSOR, AND LEAK TEST METHOD OF ENDOSCOPE REPROCESSOR

#84
20170146192
2017-05-25

Failure indicator supplemental vessel for primary vessel

#85
20170108401
2017-04-20

Gas density increase measurement in a film chamber

#86
20170108400
2017-04-20

Apparatus for verifying the integrity of the confinement boundary of a spent nuclear fuel dry storage canister in operation

#87
20170097275
2017-04-06

Evacuable flexible leakage test chamber

#88
20170023436
2017-01-26

TESTING SYSTEM AND TESTING METHOD USING THE SAME

#89
20160341141
2016-11-24

Method for detecting fuel system degradation

#90
20160272931
2016-09-22

Attachment device for single use containers

#91
20160167510
2016-06-16

Fuel tank system

#92
20160084207
2016-03-24

Method for monitoring for a rupture in a fuel vapor container

#93
20150369691
2015-12-24

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

#94
20150362399
2015-12-17

Plastic tube sealing and test system

#95
20150316441
2015-11-05

METHOD AND APPARATUS FOR TESTING QUALITY OF SEAL AND PACKAGE INTEGRITY

#96
20150168248
2015-06-18

Leak test apparatus and leak test method

#97
20140360251
2014-12-11

Airtight test apparatus and airtight test method using the same

#98
20140291341
2014-10-02

Overmolded ECU device

#99
20140290344
2014-10-02

Method and apparatus for checking syringe bodies

#100
20130318917
2013-12-05

Method and arrangement for leak detection

#101
20130047706
2013-02-28

System and method for measuring a leakage area for constructing a smoke-ventilation apparatus

#102
20130037129
2013-02-14

Integral fluid detection and containment apparatus

#103
20120210773
2012-08-23

Method of testing air tightness of sealed lash adjuster

#104
20100107569
2010-05-06

Plastic tube sealing and test system

#105
20080282774
2008-11-20

Electric radiator cap pressure tester

#106
20070157726
2007-07-12

Method and device for controlling closed packages

#107
20050204801
2005-09-22

Open package test fixture

#108
20050200130
2005-09-15

Radiator inlet adapter