| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
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| 08/20/2009 | DE102008009089A1 Method for determining mass flow leakage in intake and exhaust system of internal-combustion engine, involves measuring actual pressure in suction pipe |
| 08/19/2009 | EP2090875A2 Method for testing the sealing of a packer unit in a pipe |
| 08/19/2009 | CN201293790Y Hand-hold GIS air chamber fault detection instrument |
| 08/19/2009 | CN201293720Y Pressure test backwater device for assembling and disassembling gas bottle valve |
| 08/19/2009 | CN201293711Y Durability test device for damping sealing element |
| 08/19/2009 | CN201293703Y Detection device for liquor leakage of battery bag |
| 08/19/2009 | CN201293702Y Leakage test equipment |
| 08/19/2009 | CN201293701Y Gasproof detection device for dust aspirator water tank |
| 08/19/2009 | CN201293700Y Optical fibre submerging sensor |
| 08/19/2009 | CN101512315A Flange valve assembly |
| 08/19/2009 | CN101512297A Leak check device for vortex sensor replacement |
| 08/19/2009 | CN101509823A Hollow container ventilation property test device using pressure differential method |
| 08/19/2009 | CN101509822A Light organic petrochemicals water cooler leakage on-line monitoring method and instrument |
| 08/19/2009 | CN101509821A Withstand voltage leak detection equipment for water tank for water heater |
| 08/19/2009 | CN100529706C A device for on-line detection of tube type heat-exchanger leakage point and checking leakage |
| 08/19/2009 | CN100529705C Method and apparatus for large leak testing |
| 08/18/2009 | US7574911 Remote fire extinguisher station inspection |
| 08/18/2009 | US7574897 Device for detecting leakage of liquid in tank |
| 08/18/2009 | US7574896 Leak detection and control |
| 08/13/2009 | WO2009100355A1 Laser indicator for remote measuring devices and methods therefor |
| 08/13/2009 | WO2009098302A1 Sniffing leak detector according to the reference measurement principle |
| 08/13/2009 | WO2009063218A3 Pipeline condition detecting method and apparatus |
| 08/13/2009 | DE102008008262A1 Schnüffellecksucher nach dem Referenzmessprinzip Sniffing leak detector according to the reference measurement principle |
| 08/12/2009 | EP2087299A1 Leakage test in an air conditioner |
| 08/12/2009 | CN201289425Y Vacuum gun for leak detection of heat exchanger |
| 08/12/2009 | CN201289424Y Leakage detection device for shell type heat exchanger |
| 08/12/2009 | CN201289423Y Leak detection structure for composite board equipment |
| 08/12/2009 | CN201289422Y Fixture for detecting air tightness of oil feed hole of diesel engine cylinder cover |
| 08/12/2009 | CN201288648Y Plunger type manual high pressure rower pump |
| 08/12/2009 | CN201288544Y Combined test instrument for flow seal inspection |
| 08/12/2009 | CN101504325A Visual template comparison method for detecting SF6 leakage rate by laser |
| 08/12/2009 | CN100526827C Reference leakage device for leak snifter detector |
| 08/11/2009 | US7572636 Method of detecting a leakage in an apparatus |
| 08/11/2009 | US7572053 Tightness test for MEMS or for small encapsulated components |
| 08/11/2009 | US7571636 Detecting and reporting the location of a leak in hermetically sealed packaging |
| 08/11/2009 | CA2435727C Resonant sensor |
| 08/06/2009 | WO2009095572A1 Method and device for checking the integrity of a flexible, nonporous bag with one or more bellows |
| 08/06/2009 | WO2009094721A1 Continuous flow structural health monitoring system and method |
| 08/06/2009 | WO2009061912A3 Leak localization in a cavitated body |
| 08/06/2009 | WO2009059159A3 Pressure tank fault detector and method |
| 08/06/2009 | US20090198457 Algorithm to diagnose leaks or blockages downstream of the secondary air injection reaction (sair) pressure sensor |
| 08/06/2009 | US20090193877 Pipeline Pressure Tool |
| 08/06/2009 | US20090193876 Sniffer lead detector comprising a detector with a quartz window |
| 08/06/2009 | US20090193875 Laser indicator for remote measuring devices and methods therefor |
| 08/05/2009 | EP2084504A1 External pipe testing tool and testing method using same |
| 08/05/2009 | CN201285349Y Verification apparatus for super-high safety valve |
| 08/05/2009 | CN201285340Y Air tightness detection device |
| 08/05/2009 | CN201285339Y Vacuum leakage detector for tank bottom |
| 08/05/2009 | CN201285338Y Vacuum leakage test box for welding line |
| 08/05/2009 | CN101501470A Apparatus and method for isolating or testing a pipe segment with axial reinforcement |
| 08/05/2009 | CN101498614A Leak detection method and apparatus for solid oxidized fuel cell |
| 08/05/2009 | CN101498613A Leakage detection apparatus for fuel cell membrane electrode |
| 08/05/2009 | CN100523764C Methods and apparatus for leak detection by the accumulation method |
| 08/04/2009 | US7570769 Air leak self-diagnosis for a communication device |
| 08/04/2009 | US7568516 Method and device for assessing the risk of fluid leakage in a heat exchanger with sensor |
| 08/04/2009 | CA2366511C A method for leakage control and localisation of leakages in the internal faces of heat exchangers |
| 08/04/2009 | CA2358977C Weld testing assembly |
| 07/30/2009 | WO2009093995A1 Bag wrinkel remover, leak detection systems, and electromagnetic agitation for liquid containment systems |
| 07/30/2009 | WO2009093738A1 Method for inspecting the presence/absence of leakage hole in fluid container |
| 07/30/2009 | US20090192733 Device and method for detecting a leak in a cylinder of an internal combustion engine |
| 07/30/2009 | US20090192732 Procedure for diagnosing a metering valve of an exhaust gas treatment device and device for implementing the procedure |
| 07/30/2009 | US20090189077 Detectable Refrigerant Compositions and Uses Thereof |
| 07/30/2009 | US20090188303 Gas meter |
| 07/30/2009 | US20090188302 Leak Detector |
| 07/30/2009 | US20090188301 Faceplate connection assembly and method |
| 07/29/2009 | EP1893487B1 Method for detecting a fuel leakage in an aircraft engine and system for carrying out said method |
| 07/29/2009 | EP1337824A4 Method and apparatus for monitoring the integrity of components and structures |
| 07/29/2009 | CN201281650Y Portable apparatus for detecting leakage of straight stitch welded steel pipe |
| 07/29/2009 | CN201281649Y Device for detecting ABS electromagnetic valve high voltage leakage |
| 07/29/2009 | CN201281648Y Detection device for ball float valve hermeticity |
| 07/29/2009 | CN201281647Y Fuel battery proton exchange film and leak detection instrument for film electrode |
| 07/29/2009 | CN201281646Y Flexible device for automatic distribution sealing detection equipment |
| 07/29/2009 | CN201281645Y Device for detecting gastight of underwater airtight cabin |
| 07/29/2009 | CN101495848A Leakage seeker |
| 07/29/2009 | CN101493373A Detection device and method for leakage amount of fire extinguisher every year |
| 07/29/2009 | CN101493372A Leakage detection device based on wireless communication |
| 07/28/2009 | US7565830 Introducing engine oil system sealants (alkyl phthalates, triaryl phosphate esters etc.) one or more fluids compatible with an engine oil of the engine oil system ( hydrocarbons refined petrooleum compounds) and ultraviolet activated compounds such as perylene dyes, to seal the leak |
| 07/28/2009 | US7565829 System, methods, and compositions for detecting and inhibiting leaks in steering systems |
| 07/28/2009 | US7565828 Systems and methods for testing packaging |
| 07/28/2009 | CA2358502C A subsurface pipeline inspection probe |
| 07/23/2009 | WO2009091399A1 Detection of co2 leakage in a container |
| 07/23/2009 | WO2009089871A1 Sensor device |
| 07/23/2009 | WO2001092852A9 Apparatus and method for detecting pipeline defects |
| 07/23/2009 | US20090184271 Fluid flow control valve |
| 07/23/2009 | DE102008004745A1 Sensoreinrichtung Sensor device |
| 07/22/2009 | EP2080008A1 Method for detecting impact damage in a structure |
| 07/22/2009 | EP2080004A2 Device for conveying a substance provided with an optical leak detector |
| 07/22/2009 | CN201277902Y Fuel leakage detection apparatus for automobile |
| 07/22/2009 | CN201277901Y Leakage detection apparatus for solar energy water heater internal water tank |
| 07/22/2009 | CN201277900Y On-line detection apparatus for heat radiator |
| 07/22/2009 | CN101490522A Device, system and method of detecting and locating malfunctions in a hydraulic structure, and a hydraulic structure equipped with said device |
| 07/22/2009 | CN101487761A Monitoring method for baseboard leakage of oil product storage tank |
| 07/22/2009 | CN101487760A Valve leak-checking apparatus |
| 07/22/2009 | CN101487759A System and method for testing stress, displacement and airtight performance in ultra-low temperature surroundings |
| 07/22/2009 | CN101487758A System and method for testing water resistance of article under test |
| 07/22/2009 | CN100516823C Method of testing a cryogenic storage vessel with cathodic protection |
| 07/22/2009 | CN100516804C Airtight type tested pieces air-leakage detecting device |
| 07/22/2009 | CN100516803C Vacuum leakage detector for flow guide plate of fuel cell |
| 07/21/2009 | US7564540 Fibre optic sensor method and apparatus |
| 07/21/2009 | US7562560 Engine off vacuum decay method for increasing pass/fail threshold using NVLD |