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Class Information
Number: 422/83
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Analyzer, structured indicator, or manipulative laboratory device > Means for analyzing gas sample
Description: Apparatus wherein the material to be analyzed is initially in the gaseous state.










Sub-classes under this class:

Class Number Class Name Patents
422/98 Analysis based on electrical measurement 923
422/84 Breath tester 247
422/94 Combustible gas detector 380
422/93 Including means dividing sample stream into plural parallel segments having diverse treating means and the analytical result compared or combined 160
422/88 Including means for adsorbing or absorbing gas into or onto liquid or solid media 629
422/86 Including means reacting gas with color indicator 280


Patents under this class:
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Patent Number Title Of Patent Date Issued
7565273 Determination of the age, identification and sealing of a product containing volatile components Jul. 21, 2009
7564558 Gas cell Jul. 21, 2009
7560070 Cantilever sensors and transducers Jul. 14, 2009
7559234 Real-time combustion control and diagnostics sensor-pressure oscillation monitor Jul. 14, 2009
7556775 Microelectro-mechanical chemical sensor Jul. 7, 2009
7553458 Alcohol sensor using the work function measurement principle Jun. 30, 2009
7537737 Installation structure for gas sensor May. 26, 2009
7531136 Chemical sensor May. 12, 2009
7531137 Substance detection system May. 12, 2009
7527981 Bioweapon-detecting fibrous-network products and methods for making same May. 5, 2009
7524460 System and method of molecule counting using fluctuation enhanced sensors Apr. 28, 2009
7526500 Perfume information processing device, perfume information processing system, and perfume conversion table generating method Apr. 28, 2009
7514269 Precision adaptable chemical spectrometer Apr. 7, 2009
7511268 Ion mobility spectrometer and its method of operation Mar. 31, 2009
7501091 Sensors with improved properties Mar. 10, 2009
7493793 Breath test simulator Feb. 24, 2009
7491548 Method and device for collecting and transferring biohazard samples Feb. 17, 2009
7487662 Volatile organic compound sensor system Feb. 10, 2009
7481975 Hydrogen peroxide indicator and method Jan. 27, 2009
7476852 Ionization-based detection Jan. 13, 2009
7473361 Diffusion-based molecular separation in structured microfluidic devices Jan. 6, 2009
7465425 Sensor and method for detecting analytes in fluids Dec. 16, 2008
7465426 System for degassing muds and for analysing the gases contained in the muds Dec. 16, 2008
7462154 Sensor for measuring carbon dioxide in respiratory gas Dec. 9, 2008
7454988 Method for fluid sampling using electrically controlled droplets Nov. 25, 2008
7454945 Mercury monitoring system and calibration Nov. 25, 2008
7442555 Ammonia gas sensor method and device Oct. 28, 2008
7442340 Chemical agent monitoring system Oct. 28, 2008
7443553 Holographic sensors and their production Oct. 28, 2008
7429358 Method and apparatus for measuring gas sorption and desorption properties of materials Sep. 30, 2008
7425452 Pump-and-probe method for estimating strength of forming photochemical ozone and apparatus therefor Sep. 16, 2008
7422723 Alcohol breath test device Sep. 9, 2008
7419830 Plural reaction chamber catalytic testing device and method for its use in catalyst testing Sep. 2, 2008
7419636 Vapor sensing instruments for ultra trace chemical detection Sep. 2, 2008
7419635 Pd/V.sub.2O.sub.5 device for colorimetric H.sub.2 detection Sep. 2, 2008
7416699 Carbon nanotube devices Aug. 26, 2008
7416703 Polymer based lanthanide luminescent sensors for the detection of organophosphorus compounds Aug. 26, 2008
7416902 Method and apparatus for airborne particle sorting Aug. 26, 2008
7413892 Systems and methods for molecular recognition Aug. 19, 2008
7404311 Breath test simulator Jul. 29, 2008
7402284 Orientation device for a gas analyzer Jul. 22, 2008
7399445 Chemical sensor Jul. 15, 2008
7399959 Method and apparatus for enhanced ion based sample filtering and detection Jul. 15, 2008
7393505 Proton conductor gas sensor Jul. 1, 2008
7390465 System and method for contamination detection within sealed containers Jun. 24, 2008
7390673 Method and device for identifying volatile substances in solution Jun. 24, 2008
7392138 Method for determining the content of at least one given gas in a drilling mud, associated device and rig Jun. 24, 2008
7387764 Contained oxygen analyzing apparatus and contained analyzing method Jun. 17, 2008
7374940 Method and apparatus for determining the progress of a uranium oxyfluoride conversion reaction in a furnace and for controlling the reaction May. 20, 2008
7374722 System for taking a gas sample able to contain particles of suspended materials May. 20, 2008

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