| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
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| 07/27/2011 | CN201909703U Testing device for reducing valve |
| 07/27/2011 | CN201909702U Exhaust and sealing test device for exhaust valve |
| 07/27/2011 | CN1966995B Pressure test apparatus of double suction volute pump |
| 07/27/2011 | CN102138070A Method for detecting oxigen, method for determining air leakage, gas component detector, and vacuum processor |
| 07/27/2011 | CN102135465A Handheld fast pressure measuring device for valve |
| 07/27/2011 | CN102135464A Detection method for quickly judging separation between bearing bush base material and alloy |
| 07/27/2011 | CN102135463A Method for testing eccentricity-resistant following performance of oil seal |
| 07/27/2011 | CN102135219A Pipe testing tool with magnetic clamps |
| 07/27/2011 | CN101726449B Non-destructive test equipment |
| 07/27/2011 | CN101655540B Direct methanol fuel cell test device |
| 07/27/2011 | CN101586360B Flow control device |
| 07/27/2011 | CN101561338B Pipeline pressure test method and device |
| 07/27/2011 | CN101377444B Method for evaluating safety performance of battery seal component |
| 07/26/2011 | US7984640 Pressure-based tester for a platform assembly |
| 07/26/2011 | US7984639 Liquid leak sensing structure |
| 07/26/2011 | CA2460666C Method of tracing drains |
| 07/26/2011 | CA2328776C Pipe testing apparatus |
| 07/21/2011 | WO2011086853A1 Method for detecting abnormality in heat-exchange process, and heat exchanger |
| 07/21/2011 | WO2011086852A1 Method for detecting abnormality in heat-exchange process, and heat exchanger |
| 07/21/2011 | US20110174060 At rest vacuum state for vacuum decay leak testing method and system |
| 07/21/2011 | US20110174059 Leakage diagnosis apparatus, leakage diagnosis method, and refrigeration apparatus |
| 07/21/2011 | US20110174058 Integration manufacturing process for mems device |
| 07/21/2011 | DE112009002117T5 Referenzleckvorrichtung zur Leckkalibrierung Reference leak apparatus for leak calibration |
| 07/21/2011 | DE102010004737A1 Leakage testing method for hot water tank, involves filling and pressurizing hot water tank with fluid such that fluid is passed through wall of water tank during leakage of water tank, and detecting leakage by deviating signal |
| 07/20/2011 | EP2344853A2 A moisture detection wire, a moisture detection system, and a method of detecting moisture |
| 07/20/2011 | EP1377809B1 Leak indicator with test leak |
| 07/20/2011 | CN201903442U Online testing platform for air braking master valve |
| 07/20/2011 | CN201903436U Pressure-constant device used for nitrogen gas tightness test for plastic fuel tank |
| 07/20/2011 | CN201903435U SF6 gas leakage detection and collection tester |
| 07/20/2011 | CN201903434U Leakage testing and sealing device using kerosene for lower rack and lower oil pan of generator |
| 07/20/2011 | CN201903433U Leak detector vacuum system |
| 07/20/2011 | CN201903432U Leakage tester capable of monitoring energy use and detecting environment |
| 07/20/2011 | CN201903431U Sealing tester capable of monitoring use of energy and detecting environment |
| 07/20/2011 | CN201900067U Vaporific spiral water spraying mechanism for rain test |
| 07/20/2011 | CN102132138A A method and apparatus for real time enhancing of the operation of a fluid transport pipeline |
| 07/20/2011 | CN102132137A Fluid detection with a spectrometer-on-a-chip |
| 07/20/2011 | CN102128749A Water filling and pressurizing device of steel pipe water pressure test |
| 07/20/2011 | CN102128711A Method for adjusting inner chamber plugging plate for cylinder hydrostatic test of steam turbine |
| 07/20/2011 | CN102128710A Air leakage testing device and method for air inlet pipe of turbo supercharged engine |
| 07/20/2011 | CN102128709A Novel prefabricated pipe impermeability test connector and impermeability test method using same |
| 07/20/2011 | CN102128708A Helium airtightness testing tool for weld joints of ultra-high vacuum pressure-bearing pipes |
| 07/20/2011 | CN102128707A Valve element airtightness testing device |
| 07/20/2011 | CN102128706A Device and method for simulating leakage test of combustible refrigerant of refrigerator |
| 07/20/2011 | CN102128190A Axial locking device for seal cavity shell of working condition variable mechanical seal testing machine |
| 07/20/2011 | CN101852669B Leak detection device for auto air condition receiver drier and application method thereof |
| 07/20/2011 | CN101799350B Rapid leakage detecting method for roller hearth type non-oxidation furnace radiating pipes in batch |
| 07/20/2011 | CN101793586B Precise testing device of safety valve of cylindrical lithium-ion battery |
| 07/20/2011 | CN101718608B Electromagnetic valve leak detection system for blood purification |
| 07/20/2011 | CN101650251B Synchronous automatic pressure test leak-detecting system of a plurality of heat exchangers for air conditioner of automobile |
| 07/20/2011 | CN101650250B Hot water pressure test leak-detecting device of heat exchanger |
| 07/20/2011 | CN101084433B Selective gas sensor |
| 07/19/2011 | US7980136 Leak and contamination detection micro-submarine |
| 07/19/2011 | US7980117 Sniffer leak detector comprising a detector with a quartz window |
| 07/14/2011 | WO2011084248A2 Apparatus and method for purging gases released from a heat exchanger |
| 07/14/2011 | WO2011084143A1 Methods for inspecting atmospheric storage tanks above ground and in floating vessels |
| 07/14/2011 | WO2011084096A1 Test pressurisation device for hose |
| 07/14/2011 | CA2779434A1 Test pressurisation device for hose |
| 07/13/2011 | EP1371962B1 Portable leak detector |
| 07/13/2011 | CN201897550U Automatic pressure detection device |
| 07/13/2011 | CN201897523U Mechanical seal testing device for realizing cold and hot shock |
| 07/13/2011 | CN201896693U Semi-enclosed box-shaped seal head for punching water turbine water distribution ring tube |
| 07/13/2011 | CN102121868A Device for rapidly detecting sealing performance of object at low temperature |
| 07/13/2011 | CN102121867A Tank body tightness detection device and tank body tightness detection method |
| 07/13/2011 | CN102121866A Airtightness test method of lamp |
| 07/13/2011 | CN102121865A SF6 (sulfur hexafluoride) gas leakage and collection detector |
| 07/13/2011 | CN102121864A Full water test process for bearing box |
| 07/13/2011 | CN102121863A Lamp air tightness testing device |
| 07/13/2011 | CN101701862B Method for detecting tubeless wheels by using horizontal irrigation and drainage type wheel air tightness detector |
| 07/12/2011 | US7975551 Piezoelectric vibrator |
| 07/12/2011 | US7975529 Method of discovering leakage in a heat exchanger |
| 07/12/2011 | US7975528 Fueling system vapor recovery and containment performance monitor and method of operation thereof |
| 07/07/2011 | WO2011082178A1 Fet - based nanotube sensor array |
| 07/07/2011 | WO2011081801A1 Seal integrity evaluation device and method of use thereof |
| 07/07/2011 | WO2011079357A1 System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and similar. |
| 07/07/2011 | WO2011058425A3 Method for controlling the melt state when producing a plastic weld seam |
| 07/07/2011 | CA2785740A1 Seal integrity evaluation device and method of use thereof |
| 07/06/2011 | EP2341328A1 Seal arrangement |
| 07/06/2011 | EP2340427A2 Calibration systems and methods for tracer gas leak detection |
| 07/06/2011 | EP1590634B1 Indirect contact container measurement |
| 07/06/2011 | CN201892615U High-temperature test system for clutch slave cylinder |
| 07/06/2011 | CN201892611U Water leakage alarming and detecting system of underwater cable |
| 07/06/2011 | CN201892610U Tightness test tool for fillet weld of ship body by means of segmenting |
| 07/06/2011 | CN201892609U Air tightness tester of motorcycle damping cylinder |
| 07/06/2011 | CN201892608U Acid leakage monitoring device in acid producing industry |
| 07/06/2011 | CN201892607U Low-temperature test system of clutch slave cylinder |
| 07/06/2011 | CN201892606U Leak hunting device for reaction kettle |
| 07/06/2011 | CN201892605U External-clamping end face seal type water-pressure tester for small-bore internal screw pipe |
| 07/06/2011 | CN201892604U Water-free automatic detector for miniature sprayer |
| 07/06/2011 | CN102117083A Method for controlling pressure during automatic aeration and deflation for leakage detection of satellite tank (gas cylinder) |
| 07/06/2011 | CN102116703A Air-tight cabin air filling and air tightness detecting device |
| 07/06/2011 | CN102116702A Leakage inspection method for wet-process phosphoric acid concentration vacuum system |
| 07/06/2011 | CN102116701A Method for inspecting gas tightness of argon pipelines of molten steel tank |
| 07/06/2011 | CN102116700A Method for preventing pressure regulating device in satellite leakage detection automatic air inflation and deflation equipment from bearing back pressure |
| 07/06/2011 | CN102116699A Temperature control method for leakage detection and autoinflation process of satellite storage tank (air bottle) |
| 07/06/2011 | CN102116698A Temperature control method of automatic deflation process detection of satellite storage box (air bottle) |
| 07/06/2011 | CN101292143B Lighter device with flow restrictor and methods of manufacturing and testing same |
| 07/05/2011 | US7972515 In situ membrane integrity test |
| 07/05/2011 | US7971472 Leak tester for a carrier for printhead integrated circuitry |
| 07/05/2011 | US7971471 Quartz window gas sensor with heated membrane |
| 06/30/2011 | WO2011078834A1 Electronic pressure gauge |