| Patents for G01N 7 - Analysing materials by measuring the pressure or volume of a gas or vapour (3,762) |
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| 07/04/2012 | CN102540243A Earthquake foreboding monitoring device based on change of hydrogen concentration in stratum |
| 07/04/2012 | CN102539374A Method for measuring coal gas component and calorific value |
| 07/04/2012 | CN102539279A Analytical method for single substance calcium in core-spun calcium line |
| 07/04/2012 | CN102539278A Method and device for measuring adsorption capacities of materials |
| 07/04/2012 | CN102539277A Monitoring system and measuring method based on transient air conduction principle for moisture content of soil profile |
| 07/04/2012 | CN102539276A Internal atmosphere analyzing method and test calibration part for nonstandard air pressure packaging component |
| 07/04/2012 | CN102141496B Test instrument for gas emission upon water contact |
| 07/03/2012 | US8210025 Arrangement and method for protective-gas measurement |
| 06/27/2012 | CN102519854A Soil gas conductivity measuring meter |
| 06/27/2012 | CN102519833A Complete immersion type online vacuum stability tester |
| 06/27/2012 | CN102519832A Method for determining CMF (constant mass flow) pressure drop by adopting CFO (critical flow orifice) device and method for establishing model for CMF pressure drop determination |
| 06/27/2012 | CN102519831A Semi-permeable partition rock core capillary pressure and resistivity measuring device |
| 06/27/2012 | CN102519830A Method and device for measuring concentration of coal powder |
| 06/27/2012 | CN102519829A Test method for determining beer foam stability |
| 06/27/2012 | CN101968419B Method for measuring capillary pressure and wettability of rock core under condition of temperature and pressure of oil deposit |
| 06/27/2012 | CN101915724B Device and method for measuring permeability coefficient of rock material under action of seepage-stress coupling |
| 06/27/2012 | CN101520393B Measuring method of hydrogen gas and methane in ingredients of artificial fuel gas |
| 06/27/2012 | CN101413940B In vitro application and detection method of peptide for regulating and controlling milk cattle rumen fermentation |
| 06/26/2012 | US8205482 Hydrogen sensor with detection film comprised of rare earth metal particles dispersed in a ceramic |
| 06/21/2012 | US20120151991 Exhaust Gas Analyzer |
| 06/20/2012 | CN102507414A Core permeability experimental testing method and device under condition of stratum pressure |
| 06/20/2012 | CN102507407A Device and method for simultaneously measuring permeability coefficient, compressibility coefficient and porosity of rock |
| 06/20/2012 | CN102507406A Method and device for measuring core permeability |
| 06/20/2012 | CN102507368A Method for measuring material outgassing rate through switching of gas passage |
| 06/14/2012 | WO2012033649A3 Systems and methods for permeation rate testing of barrier films using vapor accumulation |
| 06/13/2012 | EP2084510B1 Method and apparatus for determining the gas composition in a tank |
| 06/13/2012 | CN102128765B Method for directly and rapidly measuring coal seam gas content in underground coal mine |
| 06/12/2012 | US8196448 Hydrogen sensor assembly |
| 06/06/2012 | EP2460017A1 Pvt analysis of pressurized fluids |
| 06/06/2012 | CN202267636U 液体饱和蒸汽压测定装置 Liquid saturated vapor pressure measurement device |
| 06/05/2012 | US8192510 Method for modifying the volatility of petroleum prior to ethanol addition |
| 05/30/2012 | CN202256096U Device for testing runaway gas of methane in coal reservoir |
| 05/30/2012 | CN202256095U Semipermeable clapboard core tubular billet pressure and resistivity measurement device |
| 05/30/2012 | CN202256094U High-pressure volumetric-method gas absorption system |
| 05/30/2012 | CN202256065U Geomembrane inflatable test device |
| 05/30/2012 | CN102478483A 一种起泡剂半衰期的测定方法 A method of measuring the half-life of the foaming agent |
| 05/24/2012 | US20120125084 Carbon film composite, method of manufacturing a carbon film composite and sensor made therewith |
| 05/23/2012 | CN202230001U Resistance suction/pressure drop meter for monitoring cigarette samples and pressure difference at two ends of filter stick |
| 05/23/2012 | CN202230000U Device for testing cotton micronaire value |
| 05/23/2012 | CN202229967U Sulfur trioxide absorption device used in catalyst activities detection |
| 05/17/2012 | US20120118045 Integrated optoelectrochemical sensor for nitrogen oxides in gaseous samples |
| 05/17/2012 | US20120118044 Method and system for managing a pollution-prevention facility |
| 05/17/2012 | US20120118041 System and method for testing gas migration process in coal-rock mass |
| 05/16/2012 | CN1932513B Receiver plate with multiple cross-sections |
| 05/16/2012 | CN102460111A Hydrogen sensor |
| 05/16/2012 | CN102455277A Device and method for measuring gasometry permeability of rock under high pressure |
| 05/16/2012 | CN102455271A Method for determining influence of calcium chloride concentrations on performance of foaming agent |
| 05/16/2012 | CN101975735B Device for measuring permeability of porous materials in multi-field coupling and measuring method thereof |
| 05/15/2012 | US8178157 Gas sensor and manufacturing method thereof |
| 05/15/2012 | US8176767 Exhaust gas sensor |
| 05/10/2012 | WO2012058853A1 Material property testing apparatus |
| 05/09/2012 | CN202216886U Ventilating performance detecting device of air electrode of zinc-air battery |
| 05/09/2012 | CN102445312A Testing apparatus for plastic airtightness and method thereof |
| 05/09/2012 | CN102095662B Method for detecting silicon and device thereof |
| 05/09/2012 | CN101968430B Device and method for measuring maximum aperture of filter element by dry method |
| 05/08/2012 | US8171774 Hydrocarbon liquid-seal device and a hydrocarbon vapor testing system having the hydrocarbon liquid-seal device |
| 05/02/2012 | EP2446243A2 Hydrogen sensor |
| 05/02/2012 | CN202210067U Engine oil collecting device and engine oil air content measuring system |
| 05/02/2012 | CN102435533A Liquid sampling analysis device and method |
| 05/01/2012 | US8166800 Gas concentration detection apparatus and gas concentration detection system |
| 04/26/2012 | US20120096927 System and method for operating a turbocharged system |
| 04/25/2012 | CN202204750U 化学品遇水放气流量测定仪 Chemical gassing water flow measuring instrument |
| 04/25/2012 | CN1737530B Method for testing permeability coefficient and anti-pervasion gradient ratio |
| 04/25/2012 | CN102426148A 一种亚硝酸盐自动分析仪及检测方法 One kind of nitrite automated analyzers and test methods |
| 04/24/2012 | US8165786 System for particulate matter sensor signal processing |
| 04/24/2012 | US8161796 Particulate matter sensor with an insulating air gap |
| 04/19/2012 | US20120090380 Hydrogen sensor |
| 04/18/2012 | CN202195995U 一种带过滤装置的通风率测量仪 A tape filtration device ventilation rate meter |
| 04/18/2012 | CN102419297A 活塞式恒流可控制气流源测量压力装置 Piston constant current source can be controlled airflow measuring pressure device |
| 04/18/2012 | CN102419295A Loaded coal rock constant pressure gas adsorption desorption testing system and method thereof |
| 04/18/2012 | CN101498642B 吸附剂精密测试仪和方法 Adsorbent precision tester and method |
| 04/17/2012 | US8156790 Sensor and method of producing sensor |
| 04/11/2012 | CN102410969A 超导磁体液氦挥发率测量装置 Superconducting magnet liquid helium evaporation rate measuring device |
| 04/10/2012 | US8153435 Methods and articles for identifying objects using encapsulated perfluorocarbon tracers |
| 04/04/2012 | CN102403518A Hydrogen concentration sensor utilizing cell voltage resulting from hydrogen partial pressure difference |
| 04/04/2012 | CN102401773A Reid saturated vapor pressure online test gauge |
| 04/04/2012 | CN102401772A 测量水蒸汽和干气比值的湿度方法 Methods humidity ratio of water vapor and dry gas measurements |
| 04/04/2012 | CN101231225B System and method for determining ethanol content in fuel |
| 03/29/2012 | US20120078541 High-pressure quartz crystal microbalance |
| 03/29/2012 | US20120077019 Humidity barrier |
| 03/27/2012 | US8142724 Hydrogen sensor mounting structure for fuel cell vehicle |
| 03/27/2012 | US8141412 Method of detecting dryness of wet steam of a once-through steam injection boiler and a detecting apparatus therefor |
| 03/22/2012 | WO2012034706A1 Method of determining the filling level of a solid ammonia storage medium in an ammonia storage container |
| 03/22/2012 | DE102009025329B4 Gasaustausch zwischen Bioreaktoren Gas exchange between bioreactors |
| 03/21/2012 | CN101858841B Metal hydride thermal adsorption and desorption hydrogen cycling comprehensive test device |
| 03/20/2012 | US8136385 Cantilevered probes having piezoelectric layer, treated section, and resistive heater, and method of use for chemical detection |
| 03/15/2012 | WO2012033649A2 Systems and methods for permeation rate testing of barrier films using vapor accumulation |
| 03/15/2012 | WO2011146152A3 Reel-to-reel bioforensic aerosol collection and storage system |
| 03/15/2012 | US20120060587 Gas Detector that Utilizes an Electric Field to Assist in the Collection and Removal of Gas Molecules |
| 03/15/2012 | DE102010040557A1 Vakuumkörper für ein Kältegerät Vacuum body for a refrigerator |
| 03/14/2012 | CN202166582U 水反应金属燃料高温实验装置 Water reactive metal fuel temperature experimental device |
| 03/13/2012 | US8132444 Protective heated screen for element |
| 03/13/2012 | US8132442 Compressible ceramic seal |
| 03/08/2012 | US20120055238 Optical analysis device |
| 03/08/2012 | US20120055237 Composition and method for pipeline conditioning & freezing point suppression |
| 03/08/2012 | US20120055234 Gas sensor and manufacturing method therefor |
| 03/08/2012 | DE102005006147B4 Fluidbelüftungstestvorrichtung und -verfahren Fluid ventilation test apparatus and method |
| 03/06/2012 | US8131480 Construction of diverse synthetic peptide and polypeptide libraries |
| 03/06/2012 | US8128874 Pressurized detectors substance analyzer |
| 03/06/2012 | US8128873 Gas analyzer cassette system |