ClassID:

167004

G01M3/202 - CPC Classification

Classification description:

Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material using mass spectrometer detection systems

Sub-classes:
Recent Application in this class:
#1
20260056082
2026-02-26

MONITORING AND SAFETY ASSESSMENT SYSTEM USING A DEEP GEOLOGICAL DISPOSAL FACILITY SIMULATION DEVICE FOR SPENT NUCLEAR FUEL

#2
20250224300
2025-07-10

TEST BENCH FOR IMPACT LEAKAGE DETECTION OF WATER HYDRAULIC CYLINDER BASED ON HELIUM GAS DETECTION

#3
20250164336
2025-05-22

LEAK DETECTION DEVICE AND LEAK DETECTION METHOD FOR SNIFFER LEAK DETECTION

#4
20250067617
2025-02-27

Systems and Methods for Detecting Leaks from Liquid Flow into an Ion Source of a Mass Spectrometry System

#5
20240387883
2024-11-21

METHOD AND APPARATUS FOR DETECTING ONE OR MORE LEAKS IN A BATTERY ENCLOSURE OF A BATTERY

#6
20240344914
2024-10-17

DEVICE AND METHOD FOR LEAK TESTING AND/OR LEAKAGE MEASUREMENT OF A COMPONENT

#7
20240019336
2024-01-18

GAS LEAK DETECTION DEVICE AND GAS LEAK DETECTION METHOD FOR IDENTIFYING A GAS LEAK IN A TEST OBJECT

#8
20230273087
2023-08-31

VACUUM LEAK DETECTION SYSTEM, GAS CONTROL UNIT AND METHOD FOR GAS LEAK DETECTION

#9
20230221205
2023-07-13

Method for box leak detection and leak detection system

#10
20230003602
2023-01-05

Battery pack leakage detection system and detection method based on tracer gas cumulative test

#11
20220397476
2022-12-15

Process for detecting water leaks from smelting furnaces in metal or alloy production plants and related plant

#12
20220325183
2022-10-13

Coke plant tunnel repair and anchor distribution

#13
20220298423
2022-09-22

Systems for treating a surface of a coke plant sole flue

#14
20220181709
2022-06-09

Tightness test of a liquid filled test object

#15
20220090980
2022-03-24

System and method for detecting a possible loss of integrity of a flexible bag for biopharmaceutical product

#16
20220065727
2022-03-03

Coolant Microleak Sensor for a Vacuum System

#17
20210389206
2021-12-16

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

#18
20210371752
2021-12-02

Coke plant tunnel repair and flexible joints

#19
20210207477
2021-07-08

Methods and devices for evaluating the contents of materials

#20
20200276394
2020-09-03

Device and method for improved closure integrity testing

#21
20200217743
2020-07-09

METHOD OF TESTING THE SEAL OF TRANSPORTABLE CONTAINERS, SUCH AS SUITCASES, TRUNKS, CASES AND THE LIKE

#22
20200208063
2020-07-02

GASEOUS TRACER LEAK DETECTION

#23
20200208062
2020-07-02

Coke plant tunnel repair and anchor distribution

#24
20200208061
2020-07-02

Coke plant tunnel repair and flexible joints

#25
20200208060
2020-07-02

Systems and methods for treating a surface of a coke plant

#26
20200200641
2020-06-25

Leak detector and leak detection method for leak-testing objects

#27
20200080419
2020-03-12

Methods and devices for evaluating the contents of materials

#28
20200049362
2020-02-13

Leak detection unit for refrigerant system

#29
20200009591
2020-01-09

Spray device and leak detection module

#30
20190339154
2019-11-07

Leak detection module and method of checking the seal of an object to be tested using a tracer gas

#31
20190226939
2019-07-25

Method for inspecting a seal of a flexible container

#32
20190170900
2019-06-06

Hub and spoke system for detecting and locating gas leaks

#33
20180355717
2018-12-13

Methods and devices for evaluating the contents of materials

#34
20180313763
2018-11-01

Optical detection of tracer gases in a gas discharge cell having unexposed electrodes

#35
20180306031
2018-10-25

Methods and devices for evaluating the contents of materials

#36
20180202983
2018-07-19

Systems, methods, and devices for detecting leaks in a chromatography system

#37
20180188130
2018-07-05

Method and apparatus for an integrity test of a flexible container with inspection fluid

#38
20180149547
2018-05-31

Device for desorbing molecules from chamber walls

#39
20180059003
2018-03-01

Laser absorption spectroscopy system and method for discrimination of a first and a second gas

#40
20180045596
2018-02-15

Determining a location and size of a gas source with a spectrometer gas monitor

#41
20170107811
2017-04-20

Method for monitoring gas lift wells using minimal concentration tracer materials

#42
20160334538
2016-11-17

Hub and spoke system for detecting and locating gas leaks

#43
20160282218
2016-09-29

Method for examining the leaktightness of a closed housing of an electrical component

#44
20160178472
2016-06-23

Leak testing apparatus and method

#45
20160178229
2016-06-23

Leak detection unit for refrigerant system

#46
20160153862
2016-06-02

Apparatus and method of sensing liquid leakage for lithography apparatus

#47
20160116365
2016-04-28

Leak test arrangement and leak test method

#48
20150316440
2015-11-05

Method and apparatus for detecting rapid barrier coating integrity characteristics

#49
20150211955
2015-07-30

Detection method and facility for checking sealed products for leaks

#50
20150211954
2015-07-30

System and method for storing and leak testing a radioactive materials storage canister

#51
20150177093
2015-06-25

Multistage container leak testing

#52
20150073726
2015-03-12

Method of cumulative helium mass spectrometric combination test by using argon as gross-leak tracer gas

#53
20150054650
2015-02-26

Systems and methods for sensitive open-path gas leak and detection alarm

#54
20140312217
2014-10-23

Method and apparatus for leak testing containers

#55
20140123732
2014-05-08

Leak detection device and method for checking objects for fluid tightness by means of a leak detection device

#56
20140090448
2014-04-03

DETECTION APPARATUS FOR DETECTING LEAKS IN AN AIR-TIGHT COMPONENT AND RELATED DETECTION PROCESS

#57
20130247651
2013-09-26

Valve-cell vacuum deposition apparatus including a leak detection device and method for detecting a leak in a vacuum deposition apparatus

#58
20120273680
2012-11-01

Chemical leak inspection system

#59
20120261569
2012-10-18

Method and device for determining leakage

#60
20120246964
2012-10-04

Monitoring freeze drying with gas measurement on vacuum pump exhaust

#61
20120037796
2012-02-16

Method and apparatus for leak testing containers

#62
20110315872
2011-12-29

Oxygen detection method, air leakage determination method, gas component detection device, and vacuum processing apparatus

#63
20110283769
2011-11-24

Leak detection method

#64
20110197659
2011-08-18

METHOD FOR DETERMINING AN OVERALL LEAKAGE RATE OF A VACUUM SYSTEM AND VACUUM SYSTEM

#65
20110100097
2011-05-05

Leakage Seeker

#66
20100326169
2010-12-30

Sniffing leak detector according to the reference measurement principle

#67
20100095745
2010-04-22

Calibration systems and methods for tracer gas leak detection

#68
20100018293
2010-01-28

Method and apparatus for the measurement of atmospheric leaks in the presence of chamber outgassing

#69
20100005861
2010-01-14

Sniffing leak detector

#70
20090314052
2009-12-24

Method for calibrating a mass spectrometric sniffing leak detector

#71
20090193876
2009-08-06

Sniffer leak detector comprising a detector with a quartz window

#72
20090159798
2009-06-25

GAS IMAGING SYSTEM

#73
20090090854
2009-04-09

Mass Spectrometer and Method of Using the Same

#74
20090013766
2009-01-15

Method and device for detecting leaks

#75
20080313881
2008-12-25

Test gas leak detection using a composite membrane

#76
20080207474
2008-08-28

Method and system for detecting leaks in stuffing box of two-stroke engines

#77
20080202210
2008-08-28

Test gas leak detection using a composite membrane

#78
20080121021
2008-05-29

Process and apparatus for inspection of an aircraft jet engine for oil leaks

#79
20080000288
2008-01-03

Leak detector with sniffer probe

#80
20070113621
2007-05-24

Leak inspection device

#81
20070062257
2007-03-22

Device and method for detecting the presence of test gas

#82
20070000309
2007-01-04

Leak detecting device

#83
20060283235
2006-12-21

Leak rate measuring device

#84
20060280615
2006-12-14

Leak detector comprising a vacuum apparatus

#85
20060156795
2006-07-20

Methods and apparatus for detection of large leaks in sealed articles

#86
20060116266
2006-06-01

Helium tracer gas bags and related method

#87
20060091310
2006-05-04

Methods for performing inspections and detecting chemical leaks using an infrared camera system

#88
20050223779
2005-10-13

Methods and apparatus for leak detection by the accumulation method

#89
20050199042
2005-09-15

Method and apparatus for large leak testing

#90
20050066708
2005-03-31

Test gas leakage detector

#91
20050026763
2005-02-03

HELIUM TRACER GAS BAGS AND RELATED METHOD

#92
13684004
2016-08-30

Leakage test method for a hermetically sealed disk drive enclosure