ClassID:

167005

G01M3/205 - 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 Accessories or associated equipment; Pump constructions

Recent Application in this class:
#1
20260079068
2026-03-19

INLINE BATTERY ELECTROLYTE LEAK DETECTION

#2
20260016361
2026-01-15

DETECTING DEFECTS IN SEMICONDUCTOR MATERIAL

#3
20250020534
2025-01-16

Vacuum leak detector with multistage vacuum pump and integrated gas-specific gas sensor and method for producing a vacuum leak detector

#4
20240361201
2024-10-31

LEAK DETECTION DEVICE

#5
20240264030
2024-08-08

LEAK DETECTORS

#6
20240183740
2024-06-06

MASS SPECTROMETER FOR DETECTING LEAKAGES VIA A TRACER GAS

#7
20240159616
2024-05-16

FUNCTIONALLY TESTING A LEAK DETECTION DEVICE FOR CHECKING THE SEALING TIGHTNESS OF AN INSPECTION OBJECT FILLED WITH A LIQUID

#8
20240110841
2024-04-04

APPARATUS AND METHODS FOR LEAK TESTING OF HERMETIC MICROELECTRONICS

#9
20240044737
2024-02-08

DEVICE FOR LEAKAGE DETECTION VIA MASS SPECTROMETRY, HAVING A THREE-STAGE TURBOMOLECULAR PUMP AND A BOOSTER PUMP

#10
20230253633
2023-08-10

SYSTEM AND METHOD FOR LEAK TESTING A BATTERY CELL

#11
20220341807
2022-10-27

FLUID EVACUATION APPARATUS

#12
20220316977
2022-10-06

Leak detection device

#13
20220291071
2022-09-15

Sniffer probe and leak detector

#14
20220228943
2022-07-21

Method and apparatus for ascertaining the presence of cracks in sealed containers

#15
20220221366
2022-07-14

Method and apparatus for recognizing the presence of leakages from sealed containers

#16
20210364381
2021-11-25

Leak detection device

#17
20200319053
2020-10-08

Leak detector for checking sealing tightness of an object comprising a pumping device including a turbomolecular pump and first and second vacuum pumps having at least one first and second pumping stage wherein the outlet of the second vacuum pump is connected between pumping stages of the first vacuum pump

#18
20200271540
2020-08-27

Device and method for distinguishing a test gas escaping from a leak from interfering gas

#19
20200264066
2020-08-20

Pressure Measurement at a Test Gas Inlet

#20
20200256771
2020-08-13

Fill probe attachment with elongated gas-guiding element

#21
20200240868
2020-07-30

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

#22
20200200641
2020-06-25

Leak detector and leak detection method for leak-testing objects

#23
20200018663
2020-01-16

Methods and Apparatus for Leak Testing

#24
20200009591
2020-01-09

Spray device and leak detection module

#25
20190368963
2019-12-05

Leak detection for heat exchanger plate

#26
20190212221
2019-07-11

Sniffer leak detector with distance-dependent control of the carrier gas flow

#27
20190162193
2019-05-30

Mass-spectrometric leak detector with turbomolecular pump and booster pump on a common shaft

#28
20190120715
2019-04-25

Gas leak search using a test gas spray device

#29
20180328809
2018-11-15

Pressure Measurement at a Test Gas Inlet

#30
20180275010
2018-09-27

Detecting test gas fluctuations during sniffer leak searching

#31
20180143096
2018-05-24

Method and apparatus for fluid leak detection

#32
20180010979
2018-01-11

Device and method for performing a leak test on fuel rod capsules

#33
20170322103
2017-11-09

System and methods for monitoring leaks in underground storage tanks

#34
20170146424
2017-05-25

Tracer gas airflow measurement system with high turndown ratio

#35
20160258448
2016-09-08

Evacuation of a film chamber

#36
20160223424
2016-08-04

Sniffer leak detector with multi-stage membrane pump

#37
20160091386
2016-03-31

Sniffing Leak Detector Having a Nanoporous Membrane

#38
20150362467
2015-12-17

Leak detector

#39
20150323449
2015-11-12

Systems and methods for detecting gas leaks

#40
20150316440
2015-11-05

Method and apparatus for detecting rapid barrier coating integrity characteristics

#41
20150177093
2015-06-25

Multistage container leak testing

#42
20140345365
2014-11-27

Headspace sampler

#43
20130213114
2013-08-22

Leak detector

#44
20130199275
2013-08-08

Leak Detector

#45
20130186183
2013-07-25

Leak detection appliance

#46
20120304863
2012-12-06

Gas-selective membrane and method of its production

#47
20120266659
2012-10-25

Leak detector and process control therefor

#48
20120227465
2012-09-13

Vacuum quality measurement system

#49
20120153360
2012-06-21

METHOD AND DEVICE FOR REGENERATING A HYDROGEN SENSOR

#50
20120118048
2012-05-17

Sniffing leak detector

#51
20120048001
2012-03-01

Method of testing for leaks in a contained system

#52
20120037795
2012-02-16

METHOD AND APPARATUSES FOR QUALITY EVALUATION AND LEAK TESTING

#53
20120036920
2012-02-16

Device for detecting micro-leaks

#54
20110290006
2011-12-01

LEAK TEST PROBE FOR USE IN INDUSTRIAL FACILITIES

#55
20110247498
2011-10-13

Gas-selective membrane and method of its production

#56
20110247399
2011-10-13

Method for performing a leak test on a test object

#57
20110142686
2011-06-16

Vacuum pump for differentially pumping multiple chambers

#58
20110132075
2011-06-09

Tool for assisting leak testing of an enclosed volume and method incorporating the tool

#59
20110113862
2011-05-19

Leak detection system

#60
20110113861
2011-05-19

LEAK DETECTOR AND METHOD OF DETECTING LEAK

#61
20110100097
2011-05-05

Leakage Seeker

#62
20100326169
2010-12-30

Sniffing leak detector according to the reference measurement principle

#63
20100294026
2010-11-25

Sniffing leak detector

#64
20100253376
2010-10-07

Leak detector comprising a position determining system for the hand-operated probe

#65
20090288477
2009-11-26

Leakage search assembly having a sniffing probe

#66
20090277250
2009-11-12

Sniffer leak detector

#67
20090212960
2009-08-27

Sniffing leak detector

#68
20090193876
2009-08-06

Sniffer leak detector comprising a detector with a quartz window

#69
20090193875
2009-08-06

Laser indicator for remote measuring devices and methods therefor

#70
20090173141
2009-07-09

Quartz window gas sensor with heated membrane

#71
20090120165
2009-05-14

Sampling Leak Detector

#72
20080276692
2008-11-13

Leak indicator comprising a sniffer probe

#73
20080223112
2008-09-18

Sniffing probe

#74
20080202212
2008-08-28

Methods and apparatus for test gas leak detection

#75
20080202211
2008-08-28

Gas Sensor and Method For Operating a Getter Pump

#76
20080184782
2008-08-07

Leak detecting device

#77
20080166219
2008-07-10

Vacuum pump for differential pumping multiple chambers

#78
20080164148
2008-07-10

Gas pressure sensor

#79
20080053199
2008-03-06

Systems and methods for trace gas leak detection of large leaks at relatively high test pressures

#80
20080006080
2008-01-10

Leak Detector With a Sniffer Probe

#81
20080000288
2008-01-03

Leak detector with sniffer probe

#82
20070240493
2007-10-18

Sprayer-sniffer probe

#83
20070062257
2007-03-22

Device and method for detecting the presence of test gas

#84
20070028669
2007-02-08

Detection of contaminants within fluid pumped by a vacuum pump

#85
20070000310
2007-01-04

Leak detection system with wireless remote unit

#86
20060169028
2006-08-03

Test-gas leak detector

#87
20060156795
2006-07-20

Methods and apparatus for detection of large leaks in sealed articles

#88
20060116266
2006-06-01

Helium tracer gas bags and related method

#89
20060034702
2006-02-16

Leak detector comprising an inlet

#90
20050229786
2005-10-20

Gas transmitter with selective gas permeable surfaces

#91
20050150274
2005-07-14

Leak detector

#92
20050079620
2005-04-14

Leak testing of hermetic enclosures for implantable energy storage devices

#93
20050026763
2005-02-03

HELIUM TRACER GAS BAGS AND RELATED METHOD

#94
15380601
2019-09-03

Vacuum leak testing