ClassID:

167039

G01M3/3236 - 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

Sub-classes:
Recent Application in this class:
#1
20260126241
2026-05-07

AUTOMATING A PRESSURE DECAY INTEGRITY TEST OF A CONTROLLED ATMOSPHERE OF A REFRIGERATED CONTAINER

#2
20260118211
2026-04-30

METHOD FOR LEAK TESTING OF A HEAT EXCHANGER IN A BLOOD TREATMENT DEVICE

#3
20260118210
2026-04-30

CALCULATION METHOD, DEVICE, MEDIUM, AND EQUIPMENT FOR LEAKAGE RATE OF UNDERGROUND LINED CAVERNS IN COMPRESSED AIR ENERGY STORAGE POWER STATIONS

#4
20260079072
2026-03-19

Method for Monitoring a Compressed Fluid Vessel

#5
20260063505
2026-03-05

FLAMMABLE FLUID DRAINAGE GROUND TESTING

#6
20260063499
2026-03-05

COOLANT LEAK DETECTION APPARATUS AND METHOD OF DETECTING COOLANT LEAK USING THE SAME

#7
20250360794
2025-11-27

BATTERY ENCLOSURE LEAK DETECTION

#8
20250296434
2025-09-25

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

#9
20250180427
2025-06-05

FOOT SWITCH WITH A HOUSING AND METHOD FOR CHECKING THE TIGHTNESS OF A HOUSING

#10
20250172506
2025-05-29

SYSTEMS, METHODS AND APPARATUS FOR SAFE LAUNCH AND RECOVERY OF AN INSPECTION VEHICLE

#11
20250116567
2025-04-10

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

#12
20250102118
2025-03-27

TANK FOR CONTAINING GASES AND FLUIDS IN GENERAL

#13
20250005973
2025-01-02

SYSTEMS AND METHODS OF DETECTING FLUID RELEASE

#14
20240379391
2024-11-14

AIRFLOW DETECTION DEVICE AND METHODS OF USE

#15
20240328890
2024-10-03

SYSTEMS, METHODS AND APPARATUS FOR IN-SERVICE TANK INSPECTIONS

#16
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

#17
20240141931
2024-05-02

Constant value method for detecting and evaluating internal leakage of hydraulic cylinder and detection device thereof

#18
20240044738
2024-02-08

COMPRESSED FLUID VESSEL MONITORING APPARATUS AND METHOD

#19
20230286039
2023-09-14

DIE CASTING MACHINE AND AIRTIGHT INSPECTION METHOD

#20
20230202448
2023-06-29

System and method of checking sealing of a brake caliper housing

#21
20230187666
2023-06-15

HYDROGEN LEAK SENSING DEVICE AND METHOD FOR FUEL CELL VEHICLE

#22
20230173551
2023-06-08

Systems, methods and apparatus for safe launch and recovery of an inspection vehicle

#23
20230139015
2023-05-04

Module for detecting a leakage of an arrangement

#24
20230093502
2023-03-23

Systems, methods and apparatus for in-service tank inspections

#25
20230079268
2023-03-16

Dispenser head and dispenser for dispensing units of a pharmaceutical drug or a food supplement or food

#26
20230074133
2023-03-09

APPARATUS FOR MONITORING A POWER CAPACITOR AND ADAPTER FOR SUCH AN APPARATUS

#27
20230043915
2023-02-09

Leakage detector

#28
20230016738
2023-01-19

Systems, methods and apparatus for in-service tank inspections

#29
20230003606
2023-01-05

Systems, methods and apparatus for in-service tank inspections

#30
20220412836
2022-12-29

Low power memristive vacuum sensor

#31
20220301909
2022-09-22

Airflow detection device and methods of use

#32
20220291076
2022-09-15

LEAKAGE DETECTION UNIT WITH VARIABLE SIZE ORIFICE

#33
20220205865
2022-06-30

Lighter-than-air (LTA) Vehicle Health and Lifetime Estimation

#34
20220080940
2022-03-17

System and method of checking sealing of a brake caliper housing

#35
20220037180
2022-02-03

System and method for controlling semiconductor manufacturing equipment

#36
20210364101
2021-11-25

Fuel monitoring system

#37
20210116326
2021-04-22

Leak tester

#38
20200370993
2020-11-26

LEAK DETECTION DEVICE AND LEAK DETECTION METHOD

#39
20200362995
2020-11-19

Tube infrastructure with vacuum pressure

#40
20200346053
2020-11-05

Fit-test method for respirator with sensing system

#41
20200279442
2020-09-03

Method and system for monitoring integrity of pedestrian protection system in a vehicle

#42
20200269076
2020-08-27

Wearable mask fit monitor

#43
20200242900
2020-07-30

SYSTEMS, METHODS AND APPARATUS FOR IN-SERVICE TANK INSPECTIONS

#44
20200241521
2020-07-30

Systems, methods and apparatus for in-service tank inspections

#45
20200159004
2020-05-21

Endoscope leak test connector, endoscope leak tester and endoscope reprocessor

#46
20200149989
2020-05-14

Method for detecting a water ingress into a housing, electronic circuit for carrying out the method, housing including the electronic circuit and vehicle including the housing

#47
20200118363
2020-04-16

Fuel vapor treatment apparatus

#48
20200033223
2020-01-30

Wire bundle fitting test apparatus, system and method therefor

#49
20190321533
2019-10-24

Extracorporeal blood treatment device and method for monitoring the integrity of a dialyzer of an extracorporeal blood treatment device

#50
20190289739
2019-09-19

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

#51
20190285508
2019-09-19

Method for forming and/or testing a bag in the interior space of a container

#52
20190178748
2019-06-13

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

#53
20190170602
2019-06-06

Refrigerant leak detection and management based on condensation from air samples

#54
20190145702
2019-05-16

Autonomous seal monitoring for a refrigeration unit

#55
20190072452
2019-03-07

VALVE MANIFOLD

#56
20190063686
2019-02-28

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

#57
20190063375
2019-02-28

Leakage prevention systems and methods

#58
20190033164
2019-01-31

Systems and methods for diagnosing seal integrity in a battery

#59
20190033162
2019-01-31

Simple leakage detection in a hydraulic cylinder unit

#60
20180372579
2018-12-27

Gross leak measurement in an incompressible test item in a film chamber

#61
20180313289
2018-11-01

Method for diagnosing PCSV

#62
20180252613
2018-09-06

Leak Detection Upon Evacuation of a Test Chamber or a Specimen

#63
20180195638
2018-07-12

Fuel monitoring system

#64
20180024025
2018-01-25

Method and system for testing airtightness of a building envelope

#65
20170329353
2017-11-16

Fluid monitoring system and method

#66
20170276566
2017-09-28

Apparatus and method for providing access to pressurized pipes

#67
20170176073
2017-06-22

Connection device for leak detector

#68
20170122834
2017-05-04

Determining air leakage

#69
20170097273
2017-04-06

Creating a mini environment for gas analysis

#70
20170074749
2017-03-16

Sealing and testing segmented tools

#71
20170010178
2017-01-12

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

#72
20160341627
2016-11-24

Valve manifold

#73
20160231195
2016-08-11

Device for inspecting canister for vehicle

#74
20160143611
2016-05-26

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

#75
20160082832
2016-03-24

System and methods for determining fuel fill level and diagnosing fill level indicator

#76
20150233783
2015-08-20

METHOD FOR CONTROLLING A HOMOGENEOUS BATCH OF PRESSURISED FLUID CYLINDERS

#77
20150105969
2015-04-16

System and methods for evaporative emissions leak detection based on a vehicle location

#78
20150040645
2015-02-12

Device and method for diagnosing evaporated fuel processing device

#79
20150013437
2015-01-15

Device and method for diagnosing evaporated fuel processing device

#80
20140326040
2014-11-06

Device for placing a stopper while simultaneously checking that the stopper is correctly positioned

#81
20140303830
2014-10-09

Evaporative emission control system

#82
20140225013
2014-08-14

Valve manifold

#83
20140165708
2014-06-19

Method for leak testing a housing

#84
20130074584
2013-03-28

Flexible leak test apparatus and method

#85
20120272723
2012-11-01

Gas tightness testing member and electronic device having the same

#86
20120067109
2012-03-22

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

#87
20120024045
2012-02-02

SYSTEM AND METHOD FOR TESTING FUEL TANK INTEGRITY

#88
20110252883
2011-10-20

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

#89
20110232367
2011-09-29

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

#90
20110083489
2011-04-14

Device for placing a stopper while simultaneously checking that the stopper is correctly positioned

#91
20110061449
2011-03-17

ELECTRONIC DEVICE

#92
20110060547
2011-03-10

Electronic device for measuring leaktightness

#93
20100132437
2010-06-03

Method for controlling a homogeneous batch of pressurized-fluid cylinders

#94
20100013646
2010-01-21

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

#95
20090173827
2009-07-09

METHOD AND APPARATUS FOR MONITORING THE INTEGRITY OF COMPONENTS AND STRUCTURES

#96
20090115424
2009-05-07

Pressure tank fault detector and method

#97
20080280380
2008-11-13

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

#98
20080252470
2008-10-16

Leak Detectors and Leak Detection Methods

#99
20080163668
2008-07-10

Leak detector for a pressurized cylinder

#100
20080098801
2008-05-01

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

#101
20080098800
2008-05-01

System and method for testing fuel tank integrity

#102
20080000289
2008-01-03

Seal Member for Use With Leakage Testing Apparatus, Seal Ring for Use With Leakage Testing Apparatus, and Seal Jig for Use With Leakage Testing Apparatus

#103
20070295095
2007-12-27

Apparatus for providing an output proportional to pressure divided by temperature (P/T)

#104
20070295094
2007-12-27

Apparatus for providing an output proportional to pressure divided by temperature (P/T)

#105
20070261477
2007-11-15

Apparatus for Detecting Leakage of Liquid in Tank

#106
20070204675
2007-09-06

SYSTEM AND METHOD FOR TESTING FUEL TANK INTEGRITY

#107
20070157714
2007-07-12

Engine oil leak test system and method

#108
20070151329
2007-07-05

Engine oil leak test method with EGR valve leak offset

#109
20070107496
2007-05-17

Method and apparatus for monitoring the integrity of components and structures

#110
20070043534
2007-02-22

System and method for electronic diagnostics of a process vacuum environment

#111
20070033987
2007-02-15

System and method for testing fuel tank integrity

#112
20070027640
2007-02-01

Method and apparatus for monitoring SF6 gas and electric utility apparatus

#113
20060283237
2006-12-21

Evaluating the leaktightness of a device for storing fuel gas under high pressure

#114
20060207314
2006-09-21

Vacuum apparatus

#115
20060179922
2006-08-17

System and method for leak detection

#116
20060088948
2006-04-27

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

#117
20060037383
2006-02-23

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

#118
20050241377
2005-11-03

Diagnostic apparatus for evaporative emission control system

#119
20050126265
2005-06-16

System and method for testing fuel tank integrity

#120
16534009
2019-12-17

Systems, methods and apparatus for in-service tank inspections