ClassID:

166994

G01M3/18 - 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 electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators

Sub-classes:
Recent Application in this class:
#1
20260049884
2026-02-19

CAPACITIVE LEAK DETECTION

#2
20260009692
2026-01-08

METHOD AND SYSTEM FOR DETECTING LIQUID LEAKAGE DETECTION LINE, AND COOLING DEVICE

#3
20250389609
2025-12-25

METHODS AND APPARATUS FOR LEAKAGE IDENTIFICATION

#4
20250347576
2025-11-13

LIQUID LEAKAGE DETECTION DEVICE AND LIQUID LEAKAGE DETECTION SENSOR

#5
20250305903
2025-10-02

METHOD FOR DETECTING THE PRESENCE OF WATER

#6
20250130131
2025-04-24

LEAK DETECTOR WITH CLAMP FOR ENCLOSING A SECTION OF PIPE

#7
20250116563
2025-04-10

SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR FUGITIVE EMISSION DETERMINATIONS

#8
20250102392
2025-03-27

Anti-Leak System and Methods

#9
20250076267
2025-03-06

GAS LEAK DETECTION SYSTEM

#10
20250076146
2025-03-06

FOB GEOMETRY FOR LEAK DETECTION IN MOBILE EQUIPMENT

#11
20250069266
2025-02-27

SYSTEM AND METHOD OF DETECTING GAS LEAKS

#12
20250044179
2025-02-06

LEAK DETECTION COMPONENT FOR A LIQUID COOLING SYSTEM

#13
20240353282
2024-10-24

FLUID LEAK DETECTION SENSOR, MANUFACTURING METHOD, AND FLUID LEAK DETECTION SENSOR SYSTEM INCLUDING THE SAME

#14
20240247996
2024-07-25

Liquid Leakage Detection Apparatus and Method, and Computer Device

#15
20240183744
2024-06-06

REAL-TIME FEED PIPE MONITORING

#16
20240118161
2024-04-11

WAFER CLEANING APPARATUS AND LEAKAGE DETECTION METHOD THEREOF

#17
20240117945
2024-04-11

LEAK CONTAINMENT SYSTEM WITH INTEGRATED LEAK DETECTION

#18
20240117916
2024-04-11

Monitoring of Lined Pipeline

#19
20240085392
2024-03-14

GAS DETECTOR

#20
20240049426
2024-02-08

SYSTEMS AND METHODS FOR LEAKAGE DETECTION IN A LIQUID COOLING SYSTEM

#21
20240003773
2024-01-04

LIQUID-LEAKAGE DETECTION DEVICE

#22
20230400375
2023-12-14

METHOD AND SYSTEM FOR DETECTING AND DIAGNOSING FLUID LINE LEAKAGE FOR INDUSTRIAL SYSTEMS

#23
20230324010
2023-10-12

REAL TIME INTEGRITY MONITORING OF ON-SHORE PIPES

#24
20230323872
2023-10-12

SENSORS, MULTIPLEXED COMMUNICATION TECHNIQUES, AND RELATED SYSTEMS

#25
20230314266
2023-10-05

APPARATUSES AND METHODS FOR ANOMALOUS GAS CONCENTRATION DETECTION

#26
20230228644
2023-07-20

APPARATUS, SYSTEMS, AND METHODS FOR HYDROCARBON GAS DETECTION AND DIFFERENTIATION

#27
20230213136
2023-07-06

Monitoring of Lined Pipeline

#28
20230194376
2023-06-22

Systems, methods, and computer program products for fugitive emission determinations

#29
20230177726
2023-06-08

System and method of detecting gas leaks

#30
20230133191
2023-05-04

Leak detection sensor and leak detection system using same

#31
20230117395
2023-04-20

Gas inspection management system, gas inspection management method, and instructions for gas inspection management

#32
20230041871
2023-02-09

PLUMBING ROUTING SYSTEM AND METHOD

#33
20230039308
2023-02-09

METHOD FOR DETECTING THE PRESENCE OF WATER

#34
20230014670
2023-01-19

LEAKAGE DETECTION APPARATUS AND METHOD AND CABINET SYSTEM

#35
20220397475
2022-12-15

In situ leakage detection system for buried nonmetallic pipeline

#36
20220397033
2022-12-15

Guided-Wave Powered Wireless Sensors

#37
20220357234
2022-11-10

Gas differentiating sensor suite

#38
20220357232
2022-11-10

Gas leak detection system

#39
20220307947
2022-09-29

Detection apparatus and server

#40
20220307937
2022-09-29

Leak detector with clamp for enclosing a section of pipe

#41
20220268659
2022-08-25

Shallow-buried leakage-proof pipeline and method for operating same

#42
20220236134
2022-07-28

Apparatus, system and method for maintenance of a structure carrying a fluid

#43
20220228942
2022-07-21

Method and system for detecting and diagnosing fluid line leakage for industrial systems

#44
20220146053
2022-05-12

Real time integrity monitoring of on-shore pipes

#45
20220136922
2022-05-05

Radio frequency wireless sensing device

#46
20220074780
2022-03-10

Flood sensor for automization systems

#47
20220065726
2022-03-03

PIPELINE DEFECT MONITORING

#48
20220034745
2022-02-03

Leak detection system and inspection method for the system

#49
20220034743
2022-02-03

Leak Detector Film

#50
20220034742
2022-02-03

Gas flow rate estimation device, gas flow rate estimation method, and gas flow rate estimation program

#51
20220034718
2022-02-03

Apparatuses and methods for anomalous gas concentration detection

#52
20220011191
2022-01-13

Method and system for leakage status evaluation and leaks location of solid waste land disposal facility

#53
20210335117
2021-10-28

GAS DETECTOR SYSTEMS AND METHODS FOR MONITORING GAS LEAKS FROM BURIED PIPELINES

#54
20210332933
2021-10-28

Pipe heat insulation casing and erection method

#55
20210293388
2021-09-23

Real time integrity monitoring of on-shore pipes

#56
20210244987
2021-08-12

Corrosion monitoring in a fluid distribution system

#57
20210244986
2021-08-12

Corrosion monitoring in a fluid distribution system

#58
20210239545
2021-08-05

WIDE AREA SENSORS

#59
20210239240
2021-08-05

Hose line for transporting abrasive media and method and device for production thereof

#60
20210231235
2021-07-29

Conduits for transporting fluids and methods of fabricating the same

#61
20210231234
2021-07-29

Conduits for transporting fluids and methods of fabricating the same

#62
20210223132
2021-07-22

SYSTEMS AND METHODS FOR DETECTING MOISTURE LEAKS OR MOISTURE INGRESS

#63
20210215567
2021-07-15

WATER LEAK DETECTION SYSTEM INTEGRATED WITH INDOOR MAP

#64
20210213317
2021-07-15

Corrosion monitoring in a fire sprinkler system

#65
20210199532
2021-07-01

Leak detection system and method of making and using the same

#66
20210190626
2021-06-24

Leak detector

#67
20210189705
2021-06-24

Self charging fluid flow sensor system

#68
20210164592
2021-06-03

Methods of fabricating conduits for transporting fluids

#69
20210156758
2021-05-27

CONNECTED WATER TREATMENT SYSTEM WITH REMOTELY OPERATED SHUT-OFF VALVE

#70
20210116416
2021-04-22

Complex Impedance Moisture Sensor and Sensing Method

#71
20210063268
2021-03-04

Water sensor with bracket mount

#72
20210048123
2021-02-18

Flexible pipe body and method

#73
20210003243
2021-01-07

System and method for locating leaks in pipelines

#74
20200378858
2020-12-03

Detecting leaks in liquid-cooled information handling systems with moisture wicking material

#75
20200370681
2020-11-26

Conduits for transporting fluids and methods of fabricating the same

#76
20200333276
2020-10-22

Liquid detection sensor and liquid detector

#77
20200300725
2020-09-24

DETECTION APPARATUS AND METHOD

#78
20200292404
2020-09-17

Device and method for detecting liquid leak into battery pack by using gyro sensor and moisture detection sensor

#79
20200258369
2020-08-13

FLUID LEAK DETECTION METHODS, SYSTEMS AND APPARATUS

#80
20200200329
2020-06-25

Pipe apparatus, pipe system, and method of detecting a leak in a conduit

#81
20200200302
2020-06-25

Conduits for transporting fluids

#82
20200200295
2020-06-25

Conduits for transporting fluids

#83
20200200294
2020-06-25

Conduits for transporting fluids

#84
20200200293
2020-06-25

Conduits for transporting fluids

#85
20200110050
2020-04-09

Reflectometry devices and methods for detecting pipe defects

#86
20200103306
2020-04-02

Water leak sensing system and method

#87
20200041452
2020-02-06

Complex impedance moisture sensor and sensing method

#88
20200041374
2020-02-06

Leak detection system

#89
20200033222
2020-01-30

Device and method of manufacturing a device for detecting hydrocarbons

#90
20200004156
2020-01-02

Fluidic leakage handling for semiconductor apparatus

#91
20190377369
2019-12-12

Water leak detection assembly

#92
20190368664
2019-12-05

In-pipe leak detection systems, devices, and methods

#93
20190353550
2019-11-21

Polymeric nanocomposite based sensor and coating systems and their applications

#94
20190346390
2019-11-14

SURFACE APPLIED SENSORS

#95
20190345928
2019-11-14

Sensors, multiplexed communication techniques, and related systems

#96
20190312321
2019-10-10

Apparatus and method for detecting water

#97
20190264840
2019-08-29

HOSE LINE FOR TRANSPORTING ABRASIVE MEDIA AND METHOD AND DEVICE FOR PRODUCTION THEREOF

#98
20190250118
2019-08-15

Apparatus and method for detecting defects within a flexible pipe

#99
20190226324
2019-07-25

Downhole leak monitor system

#100
20190204231
2019-07-04

Methods and systems for determining the presence of a molecule in a sample and method and system for determining a range-resolved concentration of a molecule in a scene

#101
20190195723
2019-06-27

Pipeline element leak detection system and method

#102
20190195722
2019-06-27

Piping Network Leak Detection System, as Well as Leak Detection Device and Leak Detection Method Used in Said System

#103
20190170602
2019-06-06

Refrigerant leak detection and management based on condensation from air samples

#104
20190162625
2019-05-30

Leak detection system and method of making and using the same

#105
20190145848
2019-05-16

Systems and methods for detecting a water leak

#106
20190094098
2019-03-28

Liquid leak detector with plurality of detection positions

#107
20190086286
2019-03-21

Pump seal leakage detection system

#108
20190072532
2019-03-07

Wireless power transfer and sensing for monitoring pipelines

#109
20190072451
2019-03-07

Water sensors with multi-value outputs and associated systems and methods

#110
20190056287
2019-02-21

Leakage monitoring system for geomembranes

#111
20190049333
2019-02-14

Detection apparatus and method

#112
20190033162
2019-01-31

Simple leakage detection in a hydraulic cylinder unit

#113
20190033160
2019-01-31

Adaptive sensing for a gas leak detection

#114
20180348079
2018-12-06

Apparatus and method of detecting breaches in pipelines

#115
20180347764
2018-12-06

System and Method for Detecting Broken or Clogged Drainage Pipe Structures

#116
20180320826
2018-11-08

Real time integrity monitoring of on-shore pipes

#117
20180306374
2018-10-25

Monitoring of lined pipeline

#118
20180292292
2018-10-11

PIPE CONDITION DETECTION DEVICE, PIPE CONDITION DETECTION METHOD, COMPUTER-READABLE RECORDING MEDIUM, AND PIPE CONDITION DETECTION SYSTEM

#119
20180274731
2018-09-27

Real time integrity monitoring of on-shore pipes

#120
20180217023
2018-08-02

Multi-sensor inspection for identification of pressurized pipe defects that leak

#121
20180195925
2018-07-12

Pipeline leak detection device

#122
20180119998
2018-05-03

REFRIGERATION CYCLE APPARATUS

#123
20180080847
2018-03-22

Electric field expansion system for low voltage conductivity inspection

#124
20180064978
2018-03-08

Corrosion monitoring in a fire sprinkler system

#125
20180052100
2018-02-22

Method and device for determining the presence of a spill of a petroleum product by the detection of a petroleum-derived volatile organic compound

#126
20170342929
2017-11-30

Safety device for an electronic board capable of identifying a leakage of aqueous urea solution

#127
20170274929
2017-09-28

Power steering apparatus and control circuit for power steering apparatus

#128
20170241895
2017-08-24

System and method for detecting an anomaly in a pipe assembly

#129
20170122894
2017-05-04

Detection apparatus and method for a flexible pipe

#130
20170089798
2017-03-30

Water leakage detection based on smart electricity meter

#131
20170089302
2017-03-30

Systems and methods for detecting damage in a positive crankcase ventilation tube

#132
20170045416
2017-02-16

Multi-sensor inspection for identification of pressurized pipe defects that leak

#133
20170045412
2017-02-16

Detecting moisture proximate to insulation

#134
20170044744
2017-02-16

Water system leak detection

#135
20170003229
2017-01-05

Detecting moisture proximate to insulation

#136
20170003192
2017-01-05

Leak detection system

#137
20160349142
2016-12-01

Pipeline element leak detection system and method

#138
20160290887
2016-10-06

Inflatable detecting element, modular detection cable and detection system for detecting leaks of nonconductive liquid

#139
20160290332
2016-10-06

Fluid detection apparatus and fluid detection method

#140
20160284193
2016-09-29

Fluid leak detection methods, systems and apparatus

#141
20160281704
2016-09-29

Sensors, multiplexed communication techniques, and related systems

#142
20160273995
2016-09-22

Electrically conductive polymers as sensing media to detect leaks in aerospace pneumatic ducts

#143
20160273994
2016-09-22

Detection apparatus and method

#144
20160266001
2016-09-15

Pipeline apparatus and method

#145
20160238547
2016-08-18

Sensing element compositions and sensor system for detecting and monitoring structures for hydrocarbons

#146
20160238181
2016-08-18

Pipe structure, aircraft, and method for giving robustness to leak detection

#147
20160161042
2016-06-09

Smart subsea pipeline

#148
20160123834
2016-05-05

Water sensors with multi-value outputs and associated systems and methods

#149
20160123833
2016-05-05

Electrical detector for liquid metal leaks

#150
20160109162
2016-04-21

Refrigeration cycle apparatus

#151
20150309099
2015-10-29

Sensor sleeve for health monitoring of an article

#152
20150308917
2015-10-29

System and method for supervising, managing, and monitoring the structural integrity of a fluid-transportation pipeline network, for locating the leaking point, and for evaluating the extent of the failure

#153
20150300538
2015-10-22

Energy harvesting circuit for life-sensing hose assembly

#154
20150290483
2015-10-15

Corrosion monitoring in a fire sprinkler system

#155
20150240972
2015-08-27

Wave contact arrangement for hose assembly

#156
20150179044
2015-06-25

Wireless communication systems for underground pipe inspection

#157
20150059887
2015-03-05

Water leakage detection device

#158
20150010356
2015-01-08

Fluid spill containment, location, and real time notification device with cable based sensor

#159
20150002300
2015-01-01

REAL TIME REMOTE LEAK DETECTION SYSTEM AND METHOD

#160
20140366975
2014-12-18

Pipe and conduit wear detection system

#161
20140332240
2014-11-13

Corrosion monitoring in a fire sprinkler system

#162
20140266744
2014-09-18

Sensors, communication techniques, and related systems

#163
20140260555
2014-09-18

Systems and methods for detecting and communicating moisture leaks in fluid conduits

#164
20140130577
2014-05-15

Leak detection apparatus

#165
20140109994
2014-04-24

Sanitary automatic water leakage detection and shut-off apparatus

#166
20140076449
2014-03-20

Sense and hold circuit for hose assembly

#167
20140069542
2014-03-13

Detection apparatus and method

#168
20140049247
2014-02-20

Leak detection and location system, method, and software product

#169
20140049008
2014-02-20

Sensorized sealing system

#170
20140000729
2014-01-02

Leak detection and control system and method

#171
20140000348
2014-01-02

Location of a leak in a pipe

#172
20130333447
2013-12-19

LEAKAGE DETECTION

#173
20130327127
2013-12-12

LEAKAGE DETECTION DEVICE AND AIRCRAFT WITH A BLEED AIR SYSTEM AND AT LEAST ONE LEAKAGE DETECTION DEVICE

#174
20130305815
2013-11-21

Oil leak detection device

#175
20130276517
2013-10-24

Gas leak detector

#176
20130269440
2013-10-17

WATER-LEAKAGE DETECTION METHOD AND WATER-LEAKAGE DETECTION DEVICE

#177
20130248139
2013-09-26

Anticipatory failure indicator and fluid cooling arrangement

#178
20130220423
2013-08-29

Responding to moisture at one or more zones around an outer surface of a liquid-carrying pipe

#179
20130181728
2013-07-18

Component for conducting or receiving a fluid and method for testing the component

#180
20130180318
2013-07-18

Systems and methods for detecting and communicating moisture leaks in fluid conduits

#181
20130154666
2013-06-20

Leak detection device, and coating intended for a fluid transport or storage member and comprising said detection device

#182
20130088356
2013-04-11

TAKAN ALARM INCLUDING ANY PLURALITY OF SERIES CONNECTED MODULES FOR USE WITH AN INTERCONNECTED ARCHITECTURE NETWORK OF FLUID CONDUIT LINES

#183
20130013228
2013-01-10

Pipeline leak detection and location system through pressure and cathodic protection soil

#184
20130003501
2013-01-03

METHODS AND APPARATUS FOR LOCATING HIDDEN OR BURIED NON-CONDUCTIVE PIPES AND LEAKS THEREFROM

#185
20120318366
2012-12-20

Leak isolation logic for closed-volume system

#186
20120278018
2012-11-01

Degradation monitoring system for hose assembly

#187
20120262326
2012-10-18

Device and method for detection of water flow in ground

#188
20120248251
2012-10-04

Conduit protection system and method

#189
20120038912
2012-02-16

Liquid leakage detector, liquid transport apparatus and method of detecting liquid leakage

#190
20120018014
2012-01-26

Joint cover with manifold for duct leak detection system

#191
20110295527
2011-12-01

Method for estimating the location of a leak in a pipeline

#192
20110227721
2011-09-22

Leak detection system for pipes

#193
20100174495
2010-07-08

Degradation detection system for a hose assembly

#194
20100045471
2010-02-25

Leak detection and control system and method

#195
20100001741
2010-01-07

Method for Locating Pipe Leaks

#196
20090277252
2009-11-12

LEAKAGE DETECTING APPARATUS

#197
20090115433
2009-05-07

Method for locating leaks in pipes

#198
20080229807
2008-09-25

Method and system for detecting a leakage in a pipeline or similar conduit

#199
20080143540
2008-06-19

Systems, methods, and apparatus for leak detection and prevention

#200
20080134761
2008-06-12

Oil Entrapment and Containment Channel for Above Ground Pipelines

#201
20080133063
2008-06-05

WATER LEAK DETECTION SYSTEM

#202
20080110244
2008-05-15

Pipeline configuration for the transport of a liquid, especially petroleum

#203
20080053198
2008-03-06

Pipeline having a collector line and method for leakage monitoring and leakage location

#204
20070289635
2007-12-20

Secure wireless leak detection system

#205
20070181186
2007-08-09

Systems and methods for detecting and correcting a leak

#206
20070126421
2007-06-07

Surveying of buried pipelines

#207
20070006638
2007-01-11

Leak sensor and leak sensing system

#208
20060196252
2006-09-07

Hydraulic hose with integral life-sensing capability and method therefor

#209
20060124171
2006-06-15

Secure wireless leak detection system

#210
20050283276
2005-12-22

Real time subsea monitoring and control system for pipelines

#211
20050174246
2005-08-11

System and method for detecting water leakage

#212
20050170683
2005-08-04

Structure for identifying, locating and quantifying physical phenomena

#213
20050138990
2005-06-30

Appliance leak detector and inline shutoff

#214
20050097965
2005-05-12

Structures including network and topology for identifying, locating and quantifying physical phenomena

#215
20050092098
2005-05-05

Pipeline including network and topology for identifying, locating and quantifying physical phenomena

#216
20050062487
2005-03-24

Method for the detection of leaks in components conducting liquids and device for executing the method

#217
20050005716
2005-01-13

Sliding pipe plug

#218
20050002017
2005-01-06

Method and apparatus using polarisation optical time domain reflectometry for security applications

#219
17388309
2023-11-14

Direct leak detection for liquid cooled servers

#220
16122599
2020-10-27

Leak detection system for underground access chambers using conductivity

#221
15636335
2019-10-29

Water Detection Assembly

#222
15633593
2020-04-28

Leak detection and containment for liquid cooled computing

#223
13904998
2015-12-08

Monitoring dielectric fill in a cased pipeline