| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
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| 03/04/2009 | CN201203503Y Constant pressure type positive-pressure leak hole calibrating apparatus variable-capacity chamber |
| 03/04/2009 | CN201203502Y Performance detecting device of well control product and well head apparatus under low temperature environment state |
| 03/04/2009 | CN201203501Y Detecting device of well control product and well head apparatus under high temperature liquid state |
| 03/04/2009 | CN201203500Y Single hydraulic prop seal quality detecting system |
| 03/04/2009 | CN201203499Y Air tight test machine |
| 03/04/2009 | CN201203498Y Leak detection fixture of mutual inductor secondary jack panel |
| 03/04/2009 | CN201202858Y Gas charging and pressure retaining valve of air conditioner inner machine |
| 03/04/2009 | CN201202857Y Gas charging and pressure retaining valve of air conditioner inner machine |
| 03/04/2009 | CN201202856Y Gas charging valve of air conditioner inner machine |
| 03/04/2009 | CN201202855Y Gas charging and pressure retaining valve of air conditioner inner machine |
| 03/04/2009 | CN101377444A Method for evaluating safety performance of battery seal component |
| 03/04/2009 | CN100466368C Battery, manufacturing method of battery, and check method of electrolyte leakage |
| 03/03/2009 | US7498817 Method of nondestructive tightness testing based on gas discharge visualization |
| 03/03/2009 | US7497110 Methods and apparatus for test gas leak detection |
| 02/26/2009 | WO2009025666A1 Sensing device arrangement for fuel storage tanks |
| 02/26/2009 | WO2009025558A1 Method for detection of a fluid leak related to a piston machine |
| 02/26/2009 | WO2009023956A1 A method and apparatus to detect and locate roof leaks |
| 02/26/2009 | US20090050225 System for Piping Under Roadways |
| 02/26/2009 | DE102007039793A1 Pneumatic system e.g. pneumatic brake system, monitoring method for commercial motor vehicle, involves detecting pressure signal continuously in pneumatic system, and analyzing resulting time response of detected pressure values |
| 02/26/2009 | CA2697016A1 Method for detection of a fluid leak related to a piston machine |
| 02/25/2009 | EP2028471A2 Leakage detector |
| 02/25/2009 | EP1931959B1 Fluid flow control valve |
| 02/25/2009 | EP1499825B1 Diagnostic system and method for a valve |
| 02/25/2009 | CN201199192Y Tester for sealing property of hydrogen-cooled generator |
| 02/25/2009 | CN101373163A Method for drafting differential pressure and leakage amount relation curve by leak hole method |
| 02/25/2009 | CN101373162A Method for drafting differential pressure and leakage amount relation curve in leak detection of seal article |
| 02/25/2009 | CN101373161A Apparatus for automatically detecting battery air tightness |
| 02/25/2009 | CN100464171C Method of online non-destructive testing compactness of pipeline |
| 02/24/2009 | US7495451 Terminal leakage monitoring for field devices |
| 02/24/2009 | CA2329498C Method of applying liquid fluorescent dyes to the internal parts of air conditioning or refrigeration systems |
| 02/19/2009 | WO2009022148A1 Method and apparatus for operating a pipeline |
| 02/19/2009 | US20090044602 Apparatus for detecting sealability of lithium ion cell |
| 02/19/2009 | US20090044601 Method and device for testing the sealing tightness of tear-off lids |
| 02/18/2009 | EP2024723A1 Gas sensor having a heatable, gas-selectively permeable membrane |
| 02/18/2009 | CN201196630Y Wireless sensor network apparatus based on gas-sensitive sensor detecting combustible gas |
| 02/18/2009 | CN201196598Y Disc valve detection apparatus |
| 02/18/2009 | CN201196597Y Detection apparatus for pressure regulator valve body |
| 02/18/2009 | CN101371122A Method for detecting fault in leakage inspector, leakage inspector |
| 02/18/2009 | CN101371121A Leakage detection device for coating material and coating material filling system |
| 02/18/2009 | CN101368868A Manual plugging apparatus with large caliber pipe mouth |
| 02/18/2009 | CN101368867A Self-locking type manual plugging apparatus |
| 02/18/2009 | CN100462706C Standard leak |
| 02/17/2009 | US7490625 Pilot valve manifold |
| 02/17/2009 | CA2466089C Method and appparatus for detecting holes in plastic containers |
| 02/12/2009 | WO2009021023A1 Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors |
| 02/12/2009 | WO2009020046A1 Electro-acoustic converter, electronic device, waterproof cover, and method for testing ventilation of electro-acoustic converter |
| 02/12/2009 | WO2009018971A1 Method and device for the detection of a leakage in a double pipe |
| 02/12/2009 | US20090038377 Oil migration system |
| 02/12/2009 | DE202008013870U1 Einrichtung zum Erkennen von Wassereinbrüchen in Vakuumanlagen Means for detecting water leaks in vacuum systems |
| 02/12/2009 | DE102007038060A1 Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße Apparatus for determining and / or monitoring a process variable |
| 02/12/2009 | CA2695913A1 Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors |
| 02/12/2009 | CA2695498A1 Electro-acoustic converters, electronic devices, waterproof covers, and air leakage test methods for electro-acoustic converters |
| 02/12/2009 | CA2694873A1 Method and apparatus for detecting a leak in a double pipe |
| 02/11/2009 | EP2023115A2 Outer jacket leak detection method and ballast implementing the method |
| 02/11/2009 | EP2023114A1 Leak inspection method and leak inspector |
| 02/11/2009 | EP2022159A2 Method for assembling an electric motor and motor obtained using this method |
| 02/11/2009 | EP2021119A1 Isothermal reactor |
| 02/11/2009 | CN201193970Y Air tightness test device for mobile communication terminal |
| 02/11/2009 | CN101365514A Method for determining the air tightness of enclosed spaces |
| 02/11/2009 | CN101363776A Dynamic detecting method for rumpless stem valve |
| 02/11/2009 | CN101363767A Intelligent gas leakage detector with standard flow led in |
| 02/11/2009 | CN101363448A Submerged pump for on-line removing leakage liquid |
| 02/11/2009 | CN101363447A Submerged pump for on-line removing leakage liquid |
| 02/11/2009 | CN100460685C Leakage detection system and method used for delivering leakage detector by a vacuum pump |
| 02/11/2009 | CN100460650C Dynamic pressure correction closedown of natural vacuum system by engine |
| 02/10/2009 | US7489986 Spa controller computer interface for spas |
| 02/10/2009 | US7487794 Device for determining effects suffered by a flow-controlled gaseous medium |
| 02/10/2009 | US7487664 System and method for sensing a wide range of water vapor levels in an atmosphere |
| 02/10/2009 | CA2547177C Shutoff valve system with leak detector |
| 02/05/2009 | WO2009016626A1 Method and system for measuring pressure of fluids contained in sealed vessels |
| 02/05/2009 | WO2009016160A1 Leak detector comprising a position determining system for the hand-operated probe |
| 02/05/2009 | WO2008141611A3 Sensor wire |
| 02/05/2009 | US20090031788 Hydraulic scale for determing seeding density of a planter and method |
| 02/05/2009 | DE102007036300A1 Pipe e.g. exchanger pipe of heat exchanger, inspecting device for motor vehicle, has hold elements arranged in device, where pipe is supported between hold elements when supplying pressure over part along length of pipe |
| 02/05/2009 | DE102007035932A1 Lecksuchgerät Leak Detector |
| 02/05/2009 | DE102007035700A1 Component's loading capacity testing device, has testing device with retainer for component to be tested, and feed pump and high pressure pump that are driven by electric motor, where testing device is hydraulically connected to container |
| 02/04/2009 | EP2019963A1 Apparatus and method for testing sealed glazing units |
| 02/04/2009 | CN201191239Y Vacuum braking single vehicle tester for railway vehicle |
| 02/04/2009 | CN201191233Y Novel leakage test device for lithium ionic cell case |
| 02/04/2009 | CN101360975A System for measurement of process control fluid consumption |
| 02/04/2009 | CN101358947A Intelligent SF6 gas sensor |
| 02/04/2009 | CN101358896A Vacuum leak detector |
| 02/04/2009 | CN101358895A Clip type manhole closing device |
| 02/04/2009 | CN100458391C Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 02/03/2009 | CA2452463C Leak detection by reactions at the leak site |
| 01/29/2009 | US20090025458 Rate-based monitoring for an engine system |
| 01/29/2009 | US20090025457 Method for leak testing and leak testing appartus |
| 01/29/2009 | US20090025456 Leak Characterization Apparatuses and Methods for Fluid Storage Containers |
| 01/29/2009 | US20090025455 Leak Characterization Apparatuses and Methods for Fluid Storage Containers |
| 01/29/2009 | US20090025454 System and method for detecting leaks in sealed compartments |
| 01/29/2009 | DE102007053507A1 Leakage display device for crankcase-vent pipe of internal combustion engine, has signal generator formed such that pressure difference is converted into signal that is observed by human sense organs, without external energy during leakage |
| 01/29/2009 | DE102004010843B4 Adapter und Pumpeninterface zur Druckmessung für eine Infusionspumpe Adapter and pump interface for pressure measurement for an infusion pump |
| 01/28/2009 | CN201188052Y Device for testing transformer wholly |
| 01/28/2009 | CN201188051Y Positioning apparatus for detecting acoustic wave leakage |
| 01/28/2009 | CN201188050Y On-line monitoring device for SF6 gas leakage base on multi-sensor |
| 01/28/2009 | CN201188049Y Detector for leakage of carbon-dioxide laser resonant cavity |
| 01/28/2009 | CN201188013Y Measuring instrument for engine air leakage |
| 01/28/2009 | CN100456010C Method for detecting leakage of oil gas pipe based on pressure signal knee |
| 01/28/2009 | CN100456009C Leakage-checking spacing method of blast furnace |
| 01/27/2009 | US7481096 Apparatus and method for providing a test tee |