ClassID:

167017

G01M3/24 - 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 infrasonic, sonic, or ultrasonic vibrations

Sub-classes:
Recent Application in this class:
#1
20260120204
2026-04-30

SYSTEM AND METHOD FOR COMPREHENSIVE WATER, CARBON, AND ENERGY FOOTPRINT MONITORING

#2
20260118206
2026-04-30

ACOUSTIC EMISSIONS MONITORING OF HIGH PRESSURE SYSTEMS

#3
20260118205
2026-04-30

DETECTING AND LOCATING HIGH-PRESSURE GAS LEAKS USING OPEN-AIR SOUND

#4
20260085990
2026-03-26

TOILET LEAK DETECTION

#5
20260085967
2026-03-26

DIAGNOSTIC SENSOR, AND STATE DETERMINING SYSTEM EMPLOYING SAME

#6
20260056077
2026-02-26

SWIMMING POOL LIGHT AND DRAIN LEAK DETECTION DEVICES

#7
20250383256
2025-12-18

ULTRASONIC INSPECTION DEVICE FOR IN-SERVICE STORAGE TANKS

#8
20250354888
2025-11-20

SYSTEMS AND METHODS FOR BENCHMARKING HEADPHONES

#9
20250347577
2025-11-13

APPARATUSES AND METHODS FOR DETECTING LEAKS IN A NEGATIVE PRESSURE WOUND THERAPY SYSTEM

#10
20250321153
2025-10-16

MACHINE LEARNING-BASED MULTIVARIATE SENSING APPARATUS AND METHOD FOR LEAK DETECTION

#11
20250314550
2025-10-09

SYSTEMS AND METHODS FOR LEAKAGE DETECTION, PREVENTION, AND MITIGATION

#12
20250305904
2025-10-02

SEAFLOOR LANDER APPARATUS FOR IN-SITU DETECTION AND MONITORING OF LEAKAGE EVENTS ON THE SEAFLOOR

#13
20250305870
2025-10-02

ACOUSTIC WAVE RECEIVING APPARATUS

#14
20250258094
2025-08-14

DETECTION OF HYDROGEN OR SF6 LEAK WITH INDEX CONTRAST IMAGING

#15
20250244194
2025-07-31

ACOUSTIC DETECTION DEVICE AND SYSTEM WITH REGIONS OF INTEREST

#16
20250116564
2025-04-10

Method For Diagnosing A Component By Means Of Acoustic Emission

#17
20250065677
2025-02-27

SLOW LEAK DETECTION SYSTEMS AND METHODS

#18
20250052638
2025-02-13

DETECTING PASSING VALVES

#19
20240403969
2024-12-05

SYSTEMS AND METHODS FOR MONITORING BUILDING HEALTH

#20
20240369438
2024-11-07

HYDRANT NOZZLE CAP AND METHOD OF ASSEMBLING THE SAME

#21
20240337553
2024-10-10

METHOD FOR DETECTING LEAKAGE OF FULL-CAPACITY LNG STORAGE TANK BY ACOUSTIC EMISSION

#22
20240328890
2024-10-03

SYSTEMS, METHODS AND APPARATUS FOR IN-SERVICE TANK INSPECTIONS

#23
20240328887
2024-10-03

SYSTEM AND METHOD TO MECHANICAL SEAL CONDITION MONITORING AND EARLY FAILURE DETECTION

#24
20240319370
2024-09-26

SYSTEMS AND METHODS FOR MONITORING UNDERWATER STRUCTURES

#25
20240319036
2024-09-26

HANDHELD ULTRASONIC TESTING DEVICE

#26
20240272031
2024-08-15

DEVICE AND METHOD FOR LEAKAGE DETECTING OF CRUDE OIL TANK FLOOR

#27
20240264029
2024-08-08

System and Method for Detecting Seal Leaks in a Gas Turbine Engine

#28
20240264028
2024-08-08

DEVICE FOR MONITORING A ROOM

#29
20240219257
2024-07-04

TIME SYNCHRONIZED LEAK DETECTION SYSTEM

#30
20240053220
2024-02-15

DEFECT LOCATION ESTIMATION SYSTEM, METHOD OF ESTIMATING DEFECT LOCATION, AND NON-TRANSITORY STORAGE MEDIUM

#31
20240053219
2024-02-15

INSPECTION OF TANKS USING LINER AND VACUUM

#32
20240044328
2024-02-08

MUD PUMP VALVE LEAK DETECTION AND FORECASTING

#33
20230393100
2023-12-07

DEVICE MONITORING SYSTEMS AND METHODS

#34
20230393016
2023-12-07

Method for associating a leak detector with an appliance

#35
20230334646
2023-10-19

System and Method for Mode Identification and Extraction in Guided Wave Signals and nondestructive methods for automatically sensing, locating, and/or characterizing problems in structures

#36
20230324244
2023-10-12

Detection device for a fluid conduit or fluid dispensing device

#37
20230314268
2023-10-05

Apparatus and methods for treating rhinitis

#38
20230229123
2023-07-20

Systems and methods for monitoring building health

#39
20230228645
2023-07-20

LEAK DETECTION SYSTEM

#40
20230204450
2023-06-29

In-vehicle equipment and deterioration determining method

#41
20230204449
2023-06-29

APPARATUS AND METHOD FOR INSPECTING GAS LEAK

#42
20230184618
2023-06-15

SYSTEMS AND METHODS FOR REFRIGERANT LEAK MANAGEMENT

#43
20230184617
2023-06-15

Hydrant nozzle cap

#44
20230184616
2023-06-15

Integrity testing of storage tank structure using robotic ultrasound

#45
20230175914
2023-06-08

SYSTEM AND METHOD FOR GAS DETECTION AT A FIELD SITE USING MULTIPLE SENSORS

#46
20230175881
2023-06-08

Airtight-level sensor and electronic device including the same

#47
20230168143
2023-06-01

Systems and Methods for Detecting a Leakage Flow of a Toilet

#48
20230160772
2023-05-25

Systems and methods for detecting water leaks and/or preventing waste water overflow

#49
20230144178
2023-05-11

Automomously reporting plumbing mesh network applications

#50
20230126604
2023-04-27

REMOTE MONITORING APPARATUS FOR AIR VALVE FOR SEMICONDUCTOR EQUIPMENT

#51
20230114942
2023-04-13

Method for checking the tightness of a double-walled motor vehicle panel via ultrasound sensing

#52
20230103577
2023-04-06

APPARATUSES AND METHODS FOR DETECTING LEAKS IN A NEGATIVE PRESSURE WOUND THERAPY SYSTEM

#53
20230093502
2023-03-23

Systems, methods and apparatus for in-service tank inspections

#54
20230071544
2023-03-09

Acoustic detection device and system with regions of interest

#55
20230038473
2023-02-09

ACOUSTIC EMISSIONS MONITORING OF HIGH PRESSURE SYSTEMS

#56
20230016738
2023-01-19

Systems, methods and apparatus for in-service tank inspections

#57
20230003606
2023-01-05

Systems, methods and apparatus for in-service tank inspections

#58
20220412835
2022-12-29

Ultrasonic leak detector and method of ultrasonic leak detection

#59
20220373100
2022-11-24

Data retrieval, event recording and transmission module connectable to safety and relief valves

#60
20220349808
2022-11-03

Measurement-based, in-service method for updating the internal inspection interval of an AST

#61
20220299397
2022-09-22

Container monitoring device

#62
20220268654
2022-08-25

Detection device for a fluid conduit or fluid dispensing device

#63
20220196518
2022-06-23

Auto-adjusting analog ultrasonic sensor

#64
20220146458
2022-05-12

Steam/hot water device monitoring

#65
20220128693
2022-04-28

Systems and methods for monitoring underwater structures

#66
20220113216
2022-04-14

Handheld ultrasonic generating device for testing gas leak detectors

#67
20220113215
2022-04-14

Method and apparatus for testing tightness of an enclosure

#68
20220112961
2022-04-14

In-line testing of pressure safety valves

#69
20220090979
2022-03-24

SYSTEMS AND METHODS FOR LEAK MANAGEMENT UTILIZING SUB-BAROMETRIC REFRIGERANT CONDUIT SLEEVES

#70
20220082467
2022-03-17

Leak detection in water distribution systems using acoustic signals

#71
20220074846
2022-03-10

Method for extending the time between out-of-service, in-tank inspections using ultrasonic sensor

#72
20220023802
2022-01-27

Membrane defect inspection method and membrane defect inspection device

#73
20210388831
2021-12-16

Mud pump valve leak detection and forecasting

#74
20210293656
2021-09-23

System and method for high voltage leak detection

#75
20210278304
2021-09-09

Gas leakage sensing device

#76
20210270254
2021-09-02

DOUBLE MEMBRANE PUMP FOR USE IN A HOMOGENISING APPARATUS OF A FLUID PRODUCT AND METHOD FOR DETECTING LEAKAGES IN SAID PUMP

#77
20210247261
2021-08-12

Hydrant nozzle cap with antenna

#78
20210215565
2021-07-15

Method and apparatus for detecting a leakage of a vacuum assembly

#79
20210208021
2021-07-08

Multi-scale real-time acoustic emission monitoring and analysis method for mechanical seal

#80
20210208020
2021-07-08

Inspection system for detecting misaligned seals

#81
20210207830
2021-07-08

GAS MONITORING APPARATUS AND METHOD

#82
20210172857
2021-06-10

Measurement-based, in-service method for updating the internal inspection interval of an AST

#83
20210131459
2021-05-06

Valve device and method for anticipating failure in a solenoid valve assembly in a manifold assembly

#84
20210116323
2021-04-22

Leakage inspection device, leakage inspection method, and storage medium

#85
20210080339
2021-03-18

Acoustic emissions monitoring of high pressure systems

#86
20210063353
2021-03-04

System for detecting flooding in flexible tubular pipes under high pressure conditions

#87
20210062641
2021-03-04

Method for detecting flooding in flexible tubular pipes under high pressure conditions

#88
20200386650
2020-12-10

System and method for high voltage leak detection

#89
20200378859
2020-12-03

Hydrant nozzle cap

#90
20200319055
2020-10-08

Test method of a semiconductor device and manufacturing method of a semiconductor device

#91
20200319054
2020-10-08

Handheld ultrasonic testing device

#92
20200292492
2020-09-17

Ultrasonic wave transmitter, propagation time measurement device, gas concentration measurement device, propagation time measurement program, and propagation time measurement method

#93
20200292406
2020-09-17

System and method for detecting air leak in commercial vehicle

#94
20200256834
2020-08-13

Detecting events using acoustic frequency domain features

#95
20200241521
2020-07-30

Systems, methods and apparatus for in-service tank inspections

#96
20200213688
2020-07-02

System, method, and apparatus for synchronizing sensors for signal detection

#97
20200149655
2020-05-14

Methods and systems for monitoring health of a valve

#98
20200096485
2020-03-26

Steam/hot water device monitoring

#99
20200096412
2020-03-26

Focused mode detection for an ultrasonic leak detection device

#100
20200096411
2020-03-26

Systems and methods to secure flame spread restriction of individual sub-modules in an ultrasonic gas leak detector

#101
20200054379
2020-02-20

INTEGRITY TESTING OF STORAGE TANK STRUCTURE USING ROBOTIC ULTRASOUND

#102
20200036054
2020-01-30

Jig device for inspecting quality of secondary battery

#103
20190360887
2019-11-28

Anomaly detection device for fluid controller, anomaly detection system, anamoly detection method, and fluid controller

#104
20190352974
2019-11-21

Subsea automated ultrasonic testing

#105
20190346131
2019-11-14

Detection of leakage in recovery boiler

#106
20190321523
2019-10-24

Apparatuses and methods for detecting leaks in a negative pressure wound therapy system

#107
20190316983
2019-10-17

Enclosure for leak detector

#108
20190312321
2019-10-10

Apparatus and method for detecting water

#109
20190310158
2019-10-10

Monitoring system and its method

#110
20190287688
2019-09-19

Liquid tank inspection including device for launching submersible

#111
20190261108
2019-08-22

Acoustic camera and a method for revealing acoustic emissions from various locations and devices

#112
20190219701
2019-07-18

Systems and methods for monitoring underwater structures

#113
20190211669
2019-07-11

Downhole acoustic leak detection and profiling

#114
20190170703
2019-06-06

System for non-destructively inspecting and determining sealing of aluminum pouch by using ultrasonic waves

#115
20190170603
2019-06-06

Systems and methods for refrigerant leak management based on acoustic leak detection

#116
20190170599
2019-06-06

SYSTEMS AND METHODS FOR LEAK MANAGEMENT UTILIZING SUB-BAROMETRIC REFRIGERANT CONDUIT SLEEVES

#117
20190162624
2019-05-30

System and method for automatically detecting leak noise in an aircraft

#118
20190154538
2019-05-23

Systems and methods for monitoring pressure transients and pipe bursts

#119
20190154535
2019-05-23

Methods and apparatus to detect leaks based on temperature data

#120
20190143342
2019-05-16

Centrifugal separator with a sensor device

#121
20190086311
2019-03-21

Methods and apparatus to multi-purpose an acoustic emission sensor

#122
20190078960
2019-03-14

Apparatus and method of detecting leak sound in plant equipment using time-frequency transformation

#123
20190011325
2019-01-10

Device for detecting refrigerant leak in refrigeration cycle

#124
20180356367
2018-12-13

Systems and methods for digital control of ultrasonic devices

#125
20180321385
2018-11-08

Systems and methods for monitoring underwater structures

#126
20180306667
2018-10-25

Integrity testing of storage tank structure using robotic ultrasound

#127
20180283167
2018-10-04

Systems and methods to utilize a sensor to provide spatial resolution in downhole leak detection

#128
20180261345
2018-09-13

Single rod ultrasonic leak detection tool

#129
20180224369
2018-08-09

Method and apparatus for an in-service measurement of the bottom thickness and corrosion rate of a tank bottom

#130
20180224349
2018-08-09

LEAK DETECTION IN WATER DISTRIBUTION SYSTEMS USING ACOUSTIC SIGNALS

#131
20180202577
2018-07-19

Optical microphone to diagnose actuators

#132
20180188153
2018-07-05

Method for Extending the Time Between Out-of-Service, In-Tank Inspections Using Ultrasonic Sensor

#133
20180164258
2018-06-14

Low-power wireless device for asset-integrity monitoring

#134
20180164177
2018-06-14

Detection system, detection method, and program

#135
20180080849
2018-03-22

Mounting device for acoustic leak detection sensors

#136
20170363525
2017-12-21

Pressure testing method and apparatus

#137
20170307465
2017-10-26

Fluid leakage data management apparatus and management system

#138
20170307464
2017-10-26

Acoustic Leak Detector

#139
20170299460
2017-10-19

Ultrasonic detector with storable probes

#140
20170293043
2017-10-12

Subsea equipment acoustic monitoring system

#141
20170258971
2017-09-14

Apparatuses and methods for detecting leaks in a negative pressure wound therapy system

#142
20170234758
2017-08-17

GIS leak monitoring method based on vibration signal

#143
20170191965
2017-07-06

Characterization and measurement of storage caverns using multibeam ultrasound

#144
20170176489
2017-06-22

Methods and systems for detecting gas flow by photoacoustic signal generation

#145
20170138151
2017-05-18

Apparatus and method for monitoring valve operation

#146
20170121949
2017-05-04

Enclosure for leak detector

#147
20170115151
2017-04-27

Water meter and water supply management system using same

#148
20170089801
2017-03-30

Hole detection method of vehicle and system performing the same

#149
20170089800
2017-03-30

Ultrasonic gas leak location system and method

#150
20170089047
2017-03-30

Fluid monitoring system

#151
20170016798
2017-01-19

System and method for detecting water-leaking part of vehicle

#152
20170016797
2017-01-19

APPARATUS AND METHOD OF MONITORING GAS BASED ON VARIATION IN SOUND FIELD SPECTRUM

#153
20160370327
2016-12-22

Acousto-microwave system for determining mass or leak of gas in a vessel and process for same

#154
20160320232
2016-11-03

Systems and methods for multiple-code continuous-wave distributed acoustic sensing

#155
20160299031
2016-10-13

Integrity testing of storage tank structure using robotic ultrasound

#156
20160282219
2016-09-29

Leakage determination system and leakage determination method

#157
20160209293
2016-07-21

APPARATUS FOR LEAK DETECTION

#158
20160146760
2016-05-26

Device for detecting change in underground medium

#159
20160123864
2016-05-05

Method for extending the time between out-of-service, in-tank inspections using ultrasonic sensor

#160
20160116443
2016-04-28

Electronic device and method for determining waterproofing of the electronic device

#161
20160109322
2016-04-21

LEAK DETECTION USING ACOUSTIC WAVE TRANSDUCER

#162
20160097696
2016-04-07

Piezoelectric vibration sensor for fluid leak detection

#163
20160091387
2016-03-31

Acoustic building infiltration measurement system

#164
20160084730
2016-03-24

Ultrasonic testing device and ultrasonic testing method

#165
20160084729
2016-03-24

Directional ultrasonic gas leak detector

#166
20160076964
2016-03-17

Leak detection system, vibration detection device, information processing device, and leak detection method

#167
20160018283
2016-01-21

LEAK DETECTOR

#168
20160011072
2016-01-14

Systems and methods for determining a leak rate through an opening using acoustical sensors

#169
20160005296
2016-01-07

Apparatus for self-inspecting waterproof function

#170
20150350752
2015-12-03

System, method, and apparatus for synchronizing sensors for signal detection

#171
20150346163
2015-12-03

Fuel dispensing environment component health monitoring

#172
20150330864
2015-11-19

Method for testing the integrity of a flexible tubular pipe and device for implementing same

#173
20150300405
2015-10-22

Acoustic emission measurements of a bearing assembly

#174
20150276540
2015-10-01

Ultrasonic gas leak detectors and testing methods

#175
20150253215
2015-09-10

Leak detection device, leak detection method and program

#176
20150198500
2015-07-16

Multi-function ultrasonic sound generator with an audio transducer for human hearing

#177
20150177403
2015-06-25

Subsea equipment acoustic monitoring system

#178
20150160091
2015-06-11

Three-dimensional flow velocity vector, energy and mass gauge

#179
20150153243
2015-06-04

High repetition rate thermometry system and method

#180
20150143876
2015-05-28

Leakage detection device and fluid controller including same

#181
20150013435
2015-01-15

Method of detecting defects in honeycomb structural body

#182
20140309600
2014-10-16

Apparatuses and methods for detecting leaks in a negative pressure wound therapy system

#183
20140174186
2014-06-26

SYSTEM METHOD AND DEVICE FOR LEAK DETECTION AND LOCALIZATION IN A PIPE NETWORK

#184
20140102541
2014-04-17

Water outlet control system using sound variation

#185
20140069173
2014-03-13

Integrity monitoring of conduits

#186
20140053640
2014-02-27

Sensor device for detecting flowable media, a pressure device and a measuring method

#187
20140047902
2014-02-20

Device and method for quantifying a leakage flow on an actuator

#188
20140005958
2014-01-02

Multi-spectral ultrasonic gas leak detector

#189
20140000348
2014-01-02

Location of a leak in a pipe

#190
20140000347
2014-01-02

Ultrasonic gas leak detector with false alarm discrimination

#191
20130280106
2013-10-24

Method and system for detection and localization of a fluid related to a piston machine

#192
20130279296
2013-10-24

Tracking system for a pipeline

#193
20130276250
2013-10-24

Trackable pipeline scraper for active tracking and locating

#194
20130263666
2013-10-10

System for monitoring the leak tightness of a tank

#195
20130179096
2013-07-11

Monitoring water consumption

#196
20130179095
2013-07-11

Monitoring water consumption

#197
20130163388
2013-06-27

Remote communication and control of acoustic detectors

#198
20130145826
2013-06-13

Leak detector and sensor

#199
20130125655
2013-05-23

Method for testing the integrity of a flexible tubular pipe

#200
20130125625
2013-05-23

Self-stick resonant enclosure that responds to flush toilet fill valve water inflow vibration

#201
20130049968
2013-02-28

Fire hydrant leak detector

#202
20130041601
2013-02-14

Leak detector

#203
20130036796
2013-02-14

Enclosure for leak detector

#204
20130030577
2013-01-31

Monitoring pipeline integrity

#205
20120291525
2012-11-22

Test pressurisation device for hose

#206
20120247189
2012-10-04

METHOD OF MEASURING THE SIZE OF A LEAK IN A PNEUMATIC AIR CIRCUIT AND A RELATED DEVICE

#207
20120227499
2012-09-13

Apparatus and method for real time monitoring of tube systems

#208
20120208470
2012-08-16

Fault detection method and system

#209
20120167668
2012-07-05

Systems and methods for detecting leaks

#210
20120099398
2012-04-26

Remote flooded member detection

#211
20120007743
2012-01-12

System method and device for leak detection and localization in a pipe network

#212
20110270085
2011-11-03

Ultrasonic in situ respiratory mask testing process and mask

#213
20110253480
2011-10-20

Ultrasonically controllable grease dispensing tool

#214
20110252888
2011-10-20

On-board ultrasonic frequency spectrum and image generation

#215
20110161038
2011-06-30

System and Method for Calibration of Mounted Acoustic Monitoring System with Mapping Unit

#216
20110114119
2011-05-19

Method for tracking a scraper within a pipeline

#217
20110110582
2011-05-12

Method and system for determining the position of a fluid discharge in an underwater environment

#218
20110054812
2011-03-03

Method and apparatus for determining discharge flow rate and use of the apparatus

#219
20100328067
2010-12-30

Method and device for determining a leak in a system component and/or for determining a state of a system component

#220
20100307225
2010-12-09

METHOD FOR TESTING FOR THE PRESENCE OF A LEAK HOLE IN A FLUID CONTAINER

#221
20100189580
2010-07-29

Method for detection of a malfunction related to a fluid affected component in a piston machine

#222
20100174496
2010-07-08

Pump integrity monitoring

#223
20100154515
2010-06-24

Pressure relief valve monitoring

#224
20100116058
2010-05-13

METHOD AND DEVICE FOR MEASURING PARAMETERS OF CARDIAC FUNCTION

#225
20100106434
2010-04-29

Pressure relief valve monitoring

#226
20100039271
2010-02-18

System and Method for Leak Detection

#227
20100011839
2010-01-21

Mattress Cover Leak Detection Apparatus

#228
20100001851
2010-01-07

Pressure tank and detection method of pressure tank internal abnormality

#229
20090303058
2009-12-10

Ultrasonic gas leak detector with an electrical power loss and carbon footprint output

#230
20090303057
2009-12-10

Leak detector for process valve

#231
20090224927
2009-09-10

Running Water Detection And Alert Device For Plumbing Fixtures

#232
20090210175
2009-08-20

Ultrasonic Leak Test System and Method

#233
20090025454
2009-01-29

SYSTEM AND METHOD FOR DETECTING LEAKS IN SEALED COMPARTMENTS

#234
20080307889
2008-12-18

Pressure transponder with surface acoustic wave sensor

#235
20080271536
2008-11-06

Apparatus and method for testing flow noise

#236
20080234950
2008-09-25

Water leakage-acoustic sensing method and apparatus in steam generator of sodium-cooled fast reactor using standard deviation by octave band analysis

#237
20080162058
2008-07-03

Technique for acoustic data analysis

#238
20080121290
2008-05-29

Method and arrangement for diagnosis of a final control element

#239
20080074460
2008-03-27

Sonic leak testing on ink delivery systems and ink jet heads

#240
20080006089
2008-01-10

PUMP INTEGRITY MONITORING

#241
20080006088
2008-01-10

Positive displacement pump monitor

#242
20070238993
2007-10-11

System and method for ultrasonic detection and imaging

#243
20070220969
2007-09-27

Leakage inspection apparatus for liquid storage tank technical field

#244
20070136088
2007-06-14

Method for diagnosing a leak related problem in a vehicle

#245
20070112528
2007-05-17

Leak detection system and method

#246
20070109138
2007-05-17

System and method for detecting leaks in sealed compartments

#247
20070109137
2007-05-17

System and method for reporting information indicative of the sealing characteristics of a sealed compartment

#248
20070107497
2007-05-17

System and method for controlling emission of acoustic energy for detecting leaks in vehicles

#249
20070107488
2007-05-17

System and method for enabling calibration of sensors used for detecting leaks in compartments

#250
20070084285
2007-04-19

Sealing process inspection device

#251
20070068225
2007-03-29

Leak detector for process valve

#252
20060226347
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