ClassID:

167027

G01M3/2846 - 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 pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for tubes

Recent Application in this class:
#1
20260136872
2026-05-14

LIQUID CHEMICAL SUPPLY SYSTEM HAVING LEAK DETECTION AND RELATED METHODS

#2
20260081046
2026-03-19

TRACE OXYGEN SODIUM LEAK DETECTION IN NUCLEAR REACTOR ENCLOSURE

#3
20250290822
2025-09-18

METHOD AND DEVICE FOR LEAK DETECTION

#4
20230144178
2023-05-11

Automomously reporting plumbing mesh network applications

#5
20230066570
2023-03-02

Ache tube leak testing tool

#6
20220290920
2022-09-15

Method to detect tube leakage in shell and tube thermosiphon reboilers

#7
20220220844
2022-07-14

Leak detection for electric submersible pump systems

#8
20220034745
2022-02-03

Leak detection system and inspection method for the system

#9
20210348983
2021-11-11

Systems for leak testing a valved conduit

#10
20210299478
2021-09-30

Method for use with a radiotherapy device

#11
20210048366
2021-02-18

Tube leak detection device and tube leak detection method

#12
20200018663
2020-01-16

Methods and Apparatus for Leak Testing

#13
20190368966
2019-12-05

Flex duct adapter with quick connect flange for duct tester

#14
20190219474
2019-07-18

Fire Hose Testing Apparatus and Method

#15
20190142244
2019-05-16

Device for testing the leakproofness of a surgical instrument, reprocessing device for reprocessing surgical instruments, and use of a swellable material body

#16
20190137354
2019-05-09

Pneumatic test gun with self-actuating restraining elements

#17
20190056286
2019-02-21

Methods of leak testing a surgical conduit

#18
20180356155
2018-12-13

LEAK DETECTION SYSTEM FOR FURNACE COOLING FLUID CIRCUITS

#19
20180259420
2018-09-13

SYSTEMS AND METHODS FOR DETECTING LEAKS

#20
20180172543
2018-06-21

Leak detection tool

#21
20180143171
2018-05-24

Device with a pumping device for testing the operational capability of a gas guide element of a gas-measuring system

#22
20180128706
2018-05-10

Water leakage detection system

#23
20180103830
2018-04-19

Method for processing an endoscope

#24
20180058973
2018-03-01

Method for detecting a fluid leak in a turbomachine and fluid distribution system

#25
20170370292
2017-12-28

Accessory mounting for a gas turbine engine

#26
20170343447
2017-11-30

Sealed bladder assembly and method

#27
20170315015
2017-11-02

Leakage detection device and water system comprising a leakage detection device

#28
20170261396
2017-09-14

Fluid path inspection device and fluid path inspection method

#29
20170183955
2017-06-29

Gas lift analysis and troubleshooting

#30
20170176073
2017-06-22

Connection device for leak detector

#31
20170167961
2017-06-15

Hydraulic test method and hydraulic test device

#32
20170152740
2017-06-01

Test tube with an inlet for filling with fluid and expelling air, and with enhanced resistance and sealing for the BOP testing step in drilling systems

#33
20170010176
2017-01-12

Method and apparatus for detecting breakage of piping in combined power plants

#34
20160367306
2016-12-22

Fluid control system for a medical device

#35
20160361531
2016-12-15

Apparatus and method for opening and/or evaluating connection site

#36
20160356667
2016-12-08

Methods and devices for monitoring the integrity of a fluid connection

#37
20160273997
2016-09-22

Low cycle fatigue testing

#38
20160250847
2016-09-01

Printhead leak determination

#39
20160138988
2016-05-19

Pressure sensor, measuring device, reaction carrier and measuring method

#40
20160109321
2016-04-21

Adsorption characteristic measuring apparatus

#41
20160097697
2016-04-07

Leak Detecting Apparatus and Leak Detecting Method

#42
20150362399
2015-12-17

Plastic tube sealing and test system

#43
20150362398
2015-12-17

Sheet metal processing machines having a chip suctioning device and methods for detecting a malfunction in the chip suctioning device

#44
20150226631
2015-08-13

Method for diagnosing a single-flow or dual-flow ventilation unit and associated ventilation unit

#45
20150223859
2015-08-13

Fluid control system for a medical device

#46
20150204754
2015-07-23

Transportable hose-test containers, systems and methods

#47
20150198501
2015-07-16

Systems and methods for detecting leaks

#48
20150135804
2015-05-21

Apparatus and method to check extracorporeal circuit

#49
20150129498
2015-05-14

Hemodialysis apparatus operating method and hemodialysis apparatus

#50
20150013436
2015-01-15

Diagnostic system for bulk well material handling plants

#51
20150000780
2015-01-01

Sealed bladder assembly and method

#52
20140373555
2014-12-25

Accessory mounting for a gas turbine engine

#53
20140238110
2014-08-28

Leakage detection in a medical device

#54
20140216451
2014-08-07

Pressure based gas leak testing

#55
20140039815
2014-02-06

Fire Hose Testing Apparatus and Method

#56
20140013829
2014-01-16

Flexible tubular pipe for transporting a petroleum fluid such as a multiphase fluid or a gas

#57
20130174650
2013-07-11

Method for detecting leaks, system and medical treating device

#58
20130150768
2013-06-13

Blood Purification Apparatus And Method For Inspecting Liquid Leakage Thereof

#59
20130116942
2013-05-09

LEAK ESTIMATION IN A GAS DELIVERY SYSTEM USING BLOCK LEAST-MEAN-SQUARES TECHNIQUE

#60
20130110417
2013-05-02

Pipeline hydrostatic testing device

#61
20130098116
2013-04-25

Muffle tube inspection method and manufacturing method of silica glass-based optical fiber preform

#62
20130073227
2013-03-21

System and method for testing fluid seals for leaks

#63
20130008233
2013-01-10

Water leakage checking apparatus

#64
20130000388
2013-01-03

Multilayer structure having a microfluidic channel and a system for detecting leakage from the microfluidic channel, and method of detecting leakage in a microfluidic device

#65
20120291525
2012-11-22

Test pressurisation device for hose

#66
20120271291
2012-10-25

Fluid control system for a medical device

#67
20120053783
2012-03-01

Automated inspection of aircraft landing gear internal fluid levels

#68
20120000272
2012-01-05

Device for Controlling Leaks From an Endoscope

#69
20110112595
2011-05-12

Method and device for processing a time-dependent measurement signal

#70
20110106466
2011-05-05

Methods and devices for monitoring the integrity of a fluid connection

#71
20100084035
2010-04-08

Flexible tubular pipe for transporting gaseous hydrocarbons

#72
20090248324
2009-10-01

Fire hose testing apparatus and method

#73
20090158539
2009-06-25

Endoscope washing and disinfecting apparatus and leak detection method performed by the apparatus

#74
20090043442
2009-02-12

Automated diagnostics for crawler transmission hydraulic circuits

#75
20080307859
2008-12-18

Method and system for controlling quality and tracking parts for repair and replacement of a piping system

#76
20080221508
2008-09-11

Fluid control system for a medical device

#77
20080133152
2008-06-05

Method and apparatus for fluid leak detection

#78
20070292726
2007-12-20

Fuel Cell System And Method For Inspecting Gas Leakage Of Same

#79
20070161859
2007-07-12

Computer Control and Record System for an Endoscope Leak Tester

#80
20070149848
2007-06-28

Computer Software for an Endoscope Leak Tester

#81
20070143049
2007-06-21

Method for adjusting specific quality characteristics and properties of pipes by means of a pressure test

#82
20070068226
2007-03-29

Method and system for controlling quality and tracking parts for repair and replacement of a piping system

#83
20070060791
2007-03-15

Computer systems and software for operating an endoscope integrity tester

#84
20070017279
2007-01-25

Apparatus for testing lengths of pipe

#85
20060252990
2006-11-09

Systems and methods for endoscope integrity testing

#86
20060212026
2006-09-21

Fluid control system for a medical device

#87
20060196250
2006-09-07

Leakage tester

#88
20060130561
2006-06-22

Method and system for controlling quality and tracking parts for repair and replacement in a piping system

#89
20050241677
2005-11-03

Apparatus and method for cleaning and pressure testing tubular structures