| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
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| 02/13/2013 | CN102928176A Full-automatic sealing detection machine for bottle covers |
| 02/13/2013 | CN102928175A Discharge oil gas recycling effect test system and discharge oil gas recycling effect test method |
| 02/13/2013 | CN102928174A Pump pressure test tool of measuring instrument and log |
| 02/13/2013 | CN102928173A Method for calibrating positive-pressure standard leak on site |
| 02/13/2013 | CN102928172A System and method capable of extending lower limit of gas micro-flow calibration to 10<-14> Pam<3>/s |
| 02/13/2013 | CN102928171A Uncertainty determination method of spacecraft total leak rate test result |
| 02/13/2013 | CN102928170A Method for calibrating helium mass spectrometer leak detector |
| 02/13/2013 | CN102928169A Bush tightness detection device |
| 02/13/2013 | CN102928168A Air impermeability detector of speed reducing shell |
| 02/13/2013 | CN102928167A 96-hole polymerase chain reaction (PCR) board detection jig |
| 02/13/2013 | CN102928166A Leakage detection device for lithium batteries |
| 02/13/2013 | CN102928165A System and method for generating a gas sample of known and adjustable relative humidity |
| 02/13/2013 | CN102928164A Pressure testing tool |
| 02/13/2013 | CN102928163A Workpiece water test system |
| 02/13/2013 | CN102928162A Linear capability testing method for vacuum leak detection system |
| 02/13/2013 | CN102303016B Method for automatically detecting plugging of injector steel needles based on air pressure |
| 02/13/2013 | CN102269608B digital signal processing method and circuit of micro-charge particle inductor |
| 02/13/2013 | CN102252807B Testing stand device for sealing performance of high-speed and heavy-duty bearings |
| 02/13/2013 | CN102175530B Equipment with automatic sensing function for testing water pressure resistance of fishing floater |
| 02/13/2013 | CN101949757B Inner leak detection device of heat exchanger |
| 02/13/2013 | CN101936455B Infrasound and low-frequency sound sensor for monitoring fluid leakage in high-pressure pipeline |
| 02/13/2013 | CN101828101B Gas leak detector, and a method for gas leak detection |
| 02/13/2013 | CN101696898B Leak detection tool for high-pressure blocking-sealing gas injection |
| 02/12/2013 | US8371153 Apparatus and method for purging gases released from a heat exchanger |
| 02/12/2013 | CA2695576C Plumbing fitting cover cap retention system |
| 02/07/2013 | WO2013019884A2 Seal gas monitoring and control system |
| 02/07/2013 | WO2013019119A1 Underwater detection apparatus |
| 02/07/2013 | US20130031962 Reconfigurable leak testing system |
| 02/07/2013 | US20130031961 Reconfigurable leak testing system |
| 02/07/2013 | US20130031960 Seal gas monitoring and control system |
| 02/07/2013 | DE102012213186A1 Rekonfigurierbares Dichtigkeitsprüfsystem Reconfigurable leak detector |
| 02/07/2013 | CA2843799A1 Seal gas monitoring and control system |
| 02/07/2013 | CA2842516A1 Underwater detection apparatus |
| 02/06/2013 | EP2553416A1 System and method for monitoring emanated gases in oil cooled power transformers and alike |
| 02/06/2013 | EP2552507A1 System and method for locating fluid leaks at a drape using sensing techniques |
| 02/06/2013 | DE202011107446U1 Vorrichtung zur vakuumbasierten Dichtheitsprüfung von in einem kontinuierlichen Verpackungsstrom zugeführten Verpackungen Apparatus for vacuum-based leak test of fed in a continuous stream packaging packaging |
| 02/06/2013 | CN202720101U Pipeline gas tightness detection apparatus |
| 02/06/2013 | CN202720100U Eccentric high pressure butterfly valve pressure detection device |
| 02/06/2013 | CN202720099U Liquefied gas cylinder valve high pressure closing sealing detection machine |
| 02/06/2013 | CN202720098U Vacuum leak detection device |
| 02/06/2013 | CN202720097U Pipe joint air tightness detection device |
| 02/06/2013 | CN202720096U Small caliber ball valve pressure test device |
| 02/06/2013 | CN202720095U Shell part water leakage detection sealing plate structure |
| 02/06/2013 | CN202720094U Liquefied gas cylinder valve low pressure opening sealing detection machine |
| 02/06/2013 | CN202720093U Liquefied gas cylinder valve high pressure opening sealing detection machine |
| 02/06/2013 | CN202720092U Shell detection gas station |
| 02/06/2013 | CN202720091U Folding gas appliance air tightness detector |
| 02/06/2013 | CN202720090U Four-way valve air tightness test device |
| 02/06/2013 | CN202720089U Pipe joint air tightness detection fixture |
| 02/06/2013 | CN102914488A Online monitoring device for mechanic-electrical integrated SF6 density moisture |
| 02/06/2013 | CN102914413A Membrane detector |
| 02/06/2013 | CN102914412A Detecting device and detecting method for air tightness of processing cavity |
| 02/06/2013 | CN102914411A Reconfigurable leak testing system |
| 02/06/2013 | CN102914410A Sealing performance testing bench for wind power variable-pitch, yaw and mainshaft bearing |
| 02/06/2013 | CN102914409A Method for testing air tightness quality of flexibly packaged lithium ion battery |
| 02/06/2013 | CN102912999A Waterproof structure, repairing method and leakage detecting method for traditional grey tile roof |
| 02/06/2013 | CN102912998A Waterproof heat preservation reconstruction and intelligent leakage monitoring method for modern historic building tile roof |
| 02/06/2013 | CN102313629B Outfit for detecting plugging and choking of sewage pipelines and inspection wells by full air bag method |
| 02/06/2013 | CN102175404B Waterproofness tester |
| 02/06/2013 | CN101802583B Sniffing leak detector |
| 02/05/2013 | US8365581 Valve for a leak detector |
| 02/05/2013 | US8365580 System and method for automatically judging the sealing effectiveness of a sealed compartment |
| 01/31/2013 | US20130025349 Leak detection apparatus and method |
| 01/31/2013 | DE112005001352B4 Verfahren zum Überprüfen von Behältern Method for checking containers |
| 01/31/2013 | DE10334455B4 Lecksuchverfahren und Lecksuchanordnung zur Durchführung des Verfahrens Leak detection and leak detection arrangement for carrying out the method |
| 01/31/2013 | DE102010030497B4 Vorrichtung und Verfahren zur Kraftstoffleckagemessung Apparatus and method for fuel leakage measurement |
| 01/30/2013 | CN202710698U Air-leakage and short-circuit detection device of lithium battery |
| 01/30/2013 | CN202710414U Device for hydrostatic tests and air tight tests and fatigue tests of pressure container liners and low pressure containers |
| 01/30/2013 | CN202710305U Pressure testing machine for testing gas pressure of valves used on gas pipeline |
| 01/30/2013 | CN202710276U Power cell liquid leakage detection apparatus |
| 01/30/2013 | CN202710275U Pipe leak-detection device |
| 01/30/2013 | CN202710274U Hydraulic pressure test device |
| 01/30/2013 | CN202710273U Gas tightness detection device for weld of main tube and guide tube of pre-tensioning safety belt |
| 01/30/2013 | CN202710272U Detection device of double control electromagnetic valve |
| 01/30/2013 | CN202710271U Lid leak-detection device |
| 01/30/2013 | CN202710270U Sealing characteristic test device of transformer intubation type hole sealing material |
| 01/30/2013 | CN202710269U Lithium ion power battery housing leakage test device |
| 01/30/2013 | CN202710268U Vacuum indicator made of vacuum glass |
| 01/30/2013 | CN202710267U Detection device and pressure-holding device of chassis hydraulic brake pipeline |
| 01/30/2013 | CN202710266U Gas cylinder gas tightness detecting device |
| 01/30/2013 | CN202710265U Airtightness testing machine |
| 01/30/2013 | CN202710264U Blockage detection and leakage detection test device for high-pressure micro-mist humidification nozzle |
| 01/30/2013 | CN202710263U Apparatus for testing airtight of remanufactured engine cylinder body |
| 01/30/2013 | CN202710262U Precision ceramic air tightness test tool |
| 01/30/2013 | CN202710261U Leakage test device for medical filter |
| 01/30/2013 | CN202710260U Rubber sleeve defect inspection device |
| 01/30/2013 | CN202710259U Pressure testing machine for testing water pressure of valves used on water pipeline |
| 01/30/2013 | CN202710258U Pressure testing machine for testing oil pressure of valves used on oil pipeline |
| 01/30/2013 | CN202710257U Airtightness calibrator of clamp airtightness measuring device |
| 01/30/2013 | CN202710256U Leakage testing instrument for mechanical seal |
| 01/30/2013 | CN202710255U Tool specialized for checking obstruction of pre-embedded electrical conduits |
| 01/30/2013 | CN202710254U Safety protective device for air tight test |
| 01/30/2013 | CN202710253U Thruster thread-connected portion suction gun type single point leakage detection tool |
| 01/30/2013 | CN202710252U Glove box leakage detection device |
| 01/30/2013 | CN202710251U Storage tank base plate vacuum test box |
| 01/30/2013 | CN202710250U Dust environment test box |
| 01/30/2013 | CN202708385U Pipeline leakage detecting tool |
| 01/30/2013 | CN202708060U Flange seal blanking element for engine crankshaft |
| 01/30/2013 | CN202708056U Plug tool universally used for leakage of through hole in the blank surface of casting |
| 01/30/2013 | CN102901677A Leak detecting device applied to hose pulse fatigue testing machine |