| Patents for G01N 7 - Analysing materials by measuring the pressure or volume of a gas or vapour (3,762) |
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| 05/14/2013 | US8438904 Method and apparatus for vapor signature with heat differential |
| 05/14/2013 | US8438902 Method and apparatus for determining a vapor signature based upon frequency |
| 05/09/2013 | US20130113924 Plant observation device and method |
| 05/09/2013 | US20130111977 Chemical Sensor |
| 05/08/2013 | CN202928917U Device for evaluating performance of mercury-free zinc powder of alkaline battery |
| 05/08/2013 | CN202928630U Oil field ground wet steam flow dryness measuring device |
| 05/08/2013 | CN103091325A High-temperature environment stability testing method of initiating explosive material |
| 05/08/2013 | CN103091228A Novel closed permeability testing device |
| 05/08/2013 | CN103091200A Method and device for detecting metal aluminum content in burned ash |
| 05/08/2013 | CN103091199A Non-invasive instant measuring system and method for air conductivity of soil |
| 05/02/2013 | WO2013062673A1 Steam quality measurement system |
| 05/01/2013 | CN202916158U Membrane shell for monitoring microorganism pollution of RO/NF (reverse osmosis/nanofiltration) membrane on line |
| 05/01/2013 | CN102419295B Loaded coal rock constant pressure gas adsorption desorption testing system and method thereof |
| 05/01/2013 | CN102175558B Method and device for measuring applied dynamic load axle pressure in three-dimensional dynamic load gas permeation test |
| 04/30/2013 | US8431276 Using an effectiveness approach to model a fuel cell membrane humidification device |
| 04/24/2013 | CN202903638U Portable measurement instrument for gas content of shale gas |
| 04/24/2013 | CN202903637U Portable fracture-cave rock hole permeability test device |
| 04/24/2013 | CN103063557A Device and method for detecting gas permeability of rock |
| 04/24/2013 | CN103063545A Novel shale gas content tester and shale gas content detecting method |
| 04/24/2013 | CN103063544A Device and method for evaluating adsorption and desorption properties of modularized coal rock |
| 04/24/2013 | CN101986132B Portable air permeation volume gauge |
| 04/23/2013 | US8426783 Microwave assisted chemical synthesis instrument with controlled pressure release |
| 04/18/2013 | US20130092084 Systems and Methods for Measuring, Monitoring and Controlling Ozone Concentration |
| 04/18/2013 | US20130091928 Airborne impurities detection |
| 04/18/2013 | US20130091927 System and Method for Detecting Aberrations in a Conduit |
| 04/17/2013 | CN103048216A Measurement device and method of gas content in oil product |
| 04/17/2013 | CN102243160B Method for detecting suction resistance of cigar |
| 04/16/2013 | US8418527 Field effect transistor gas sensor having a housing and porous catalytic material contained therein |
| 04/16/2013 | US8418526 System and method for testing gas migration process in coal-rock mass |
| 04/11/2013 | US20130086977 Intrinsically safe ndir gas sensor in a can |
| 04/11/2013 | DE102011054331A1 Device for use in test stand arrangement for determining gas content in engine oil in combustion engines, comprises calculation unit for detecting free gas volume existing in sample chamber, and controller for automatic actuation of device |
| 04/10/2013 | CN202869916U Primaquine-base quantometer |
| 04/10/2013 | CN202869915U Simple device for gas purity determination |
| 04/10/2013 | CN202869914U Device for detecting foaming ability and foam stability of foaming agent |
| 04/10/2013 | CN103033442A Gas adsorption and desorption test apparatus |
| 04/10/2013 | CN103033441A Method and device for analyzing concentration of gas in containment and gas analysis instrument |
| 04/10/2013 | CN103033440A Method for testing air content of concrete mixture |
| 04/10/2013 | CN103033125A Coal deformation test device in gas adsorption and desorption process |
| 04/09/2013 | US8413499 Partial stroke testing |
| 04/09/2013 | US8413482 Sensor |
| 04/03/2013 | EP2574922A1 Apparatus for determining the amount of volatile impurities in a liquid material and method for using the same |
| 04/03/2013 | EP2574921A1 Method and apparatus for determining the amount of volatile impurities in a liquid material |
| 04/03/2013 | CN103018133A Device for integrally determining gas outburst indexes q value and deltah2 value and determination method |
| 04/03/2013 | CN103018132A Dynamic deformation characteristic testing method in coal absorption and desorption process |
| 04/03/2013 | CN102297831B Test device and method for rapid gas logging of permeability of coal seam |
| 04/03/2013 | CN101427124B 漏油检测器 Leak detector |
| 03/27/2013 | CN202837140U Trace gas metering device |
| 03/27/2013 | CN202837139U Differential pressure type moisture meter |
| 03/27/2013 | CN202837138U Field gas tester |
| 03/27/2013 | CN202837137U Steel cord belt permeability testing machine |
| 03/27/2013 | CN202837136U Acid salt content analysis device |
| 03/27/2013 | CN202837135U Detector for damage of aeration membranes of suspension chains |
| 03/27/2013 | CN202837134U Gas content testing device of shale gas and coal bed methane |
| 03/27/2013 | CN102998204A Device and method for preparing water-containing coal sample and testing adsorption |
| 03/27/2013 | CN102998203A Method for determining effective content of liquid microcapsule gel breaker |
| 03/27/2013 | CN102998202A Method for determining release rate of liquid microcapsule gel breaker |
| 03/27/2013 | CN101371127B Device for detection of a change of pressure in a canal of a microdosing device |
| 03/26/2013 | US8402813 Sensor element of a gas sensor |
| 03/26/2013 | US8402812 Gas concentration detection apparatus |
| 03/21/2013 | US20130067988 Gas Measuring Apparatus |
| 03/20/2013 | CN202814826U Device for detecting crack defect of plastic part |
| 03/20/2013 | CN102323181B Method and apparatus for detecting coalbed gas content based on three-component seismic data |
| 03/14/2013 | US20130061655 Systems and methods for gettering an atomic sensor |
| 03/13/2013 | CN102967527A Composite material deflating rate test system with self calibration function and method |
| 03/13/2013 | CN102967526A Method for measuring relationship between actual temperature and pressure in combustion process through constant volume combustor method |
| 03/13/2013 | CN102967525A Experiment device for replacing CH4 in adsorption storage layer by multi-phase-state CO2 and mixed gas |
| 03/12/2013 | US8393316 Internal-combustion-engine control apparatus |
| 03/12/2013 | US8393196 Gas sensor |
| 03/07/2013 | US20130060485 Method for automatically operating a measuring device for measuring particles in gases |
| 03/06/2013 | CN202770727U Carbon dioxide test device with acid bath in electrolyte analyzer |
| 03/06/2013 | CN102954923A Polymerization-kinetic method for detecting vinyl chloride |
| 03/06/2013 | CN102297829B Method and device for measuring gas adsorption quantity and adsorption deformation of coal rock under stress condition |
| 03/06/2013 | CN102084236B Method and kit for adsorbent performance evaluation |
| 03/06/2013 | CN101937060B Checking system and checking method for sulfur hexafluoride density relay |
| 02/28/2013 | US20130049971 Battery Thermal Event Detection System Utilizing Battery Pack Isolation Monitoring |
| 02/28/2013 | US20130047701 Combined Acoustic Excitation and Standoff Chemical Sensing for the Remote Detection of Buried Explosive Charges |
| 02/28/2013 | DE102008053843B9 Gasmengen-Messvorrichtung Gas amount measuring device |
| 02/27/2013 | CN202757860U Experimental apparatus used for measuring oxygen content of air |
| 02/26/2013 | US8381576 Explosion-proof gas sensor without pressure-proof housing |
| 02/20/2013 | CN102937559A Device and method utilizing double vacuum gauge gas circuit conversion to measure material air discharge rate |
| 02/20/2013 | CN102116727B Method and device for measuring maturity and fineness of large-capacity cotton fiber |
| 02/19/2013 | US8380446 System and method for determining the phase envelope of a gas condensate |
| 02/13/2013 | CN202735212U Pneumatic filter element bubble test clamp |
| 02/13/2013 | CN202735187U Instrument for rapidly detecting residual gas quantity by using high temperature method |
| 02/13/2013 | CN202735186U Non-water-tank type gas taking device |
| 02/13/2013 | CN202735023U Internal pressure detection device of vacuum insulation plate |
| 02/13/2013 | CN102928315A New method and testing device for characterizing PCT curve of hydrogen absorption and desorption of hydrogen storage material |
| 02/13/2013 | CN102353608B Device and method for measuring prediction index critical value of coal and gas outburst |
| 02/13/2013 | CN101762444B Steel cord glue permeation rate detection method and device |
| 02/13/2013 | CN101470107B Concrete body and test instrument thereof and method for permeation performance with other medium bonding surface |
| 02/13/2013 | CN101226128B System and method for generating a gas sample of known and adjustable relative humidity |
| 02/12/2013 | US8373568 Detector system and method to detect or determine a specific gas within a gas mixture |
| 02/07/2013 | US20130031958 Network manageable advanced gas sensor apparatus and method |
| 02/06/2013 | EP2553084A1 Anaerobic digestion process monitoring device and method thereof |
| 02/06/2013 | CN102914487A Trace gas metering device used for grading materials capable of sending out combustible gases in presence of water |
| 02/06/2013 | CN102914486A Standard suction resistance measuring device |
| 02/06/2013 | CN102914485A Device and method for testing deviation factor of natural gas in porous medium |
| 02/06/2013 | CN102914484A Testing method for dryness of pole piece or cell of lithium ion battery |
| 02/06/2013 | CN102507407B Device and method for simultaneously measuring permeability coefficient, compressibility coefficient and porosity of rock |
| 01/30/2013 | CN202710434U Gas desorption instrument |