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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 927
422/84 Breath tester 249
422/94 Combustible gas detector 381
422/93 Including means dividing sample stream into plural parallel segments having diverse treating means and the analytical result compared or combined 161
422/88 Including means for adsorbing or absorbing gas into or onto liquid or solid media 638
422/86 Including means reacting gas with color indicator 282


Patents under this class:
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Patent Number Title Of Patent Date Issued
8709820 Concentration measuring apparatus for hydrogen sulfide in gas flow, and method for determining sulfide ion Apr. 29, 2014
8703059 Combustion analysis apparatus and method Apr. 22, 2014
8683672 Nanomaterial-based gas sensors Apr. 1, 2014
8679846 Sterilisation indicator Mar. 25, 2014
8679408 Total organic carbon analysis Mar. 25, 2014
8668870 Ion mobility spectrometer which controls carrier gas flow to improve detection Mar. 11, 2014
8668873 Method and apparatus for extraction, detection, and characterization of vapors from explosives, taggants in explosives, controlled substances, and biohazards Mar. 11, 2014
8668874 Integrated optoelectrochemical sensor for nitrogen oxides in gaseous samples Mar. 11, 2014
8658429 Photoluminescent oxygen probe tack Feb. 25, 2014
8646311 Sensors for hydrogen, ammonia Feb. 11, 2014
8647579 Hydrogen peroxide detector comprising light-blocking tip with air deflector Feb. 11, 2014
8647885 Process for detecting gaseous halogenated compounds Feb. 11, 2014
8642345 Method of measuring a chemical vapor concentration Feb. 4, 2014
8636956 Sensor for measuring carbon dioxide in respiratory gas Jan. 28, 2014
8628722 Drinking vessels and related systems and methods Jan. 14, 2014
8626451 Method and device for characterization and sensing of exhaust gas and control of engines and components for aftertreatment of exhaust gases Jan. 7, 2014
8609025 Single walled carbon nanotubes with functionally adsorbed biopolymers for use as chemical sensors Dec. 17, 2013
8609427 SO2 detection using differential nano-resonators and methods related thereto Dec. 17, 2013
8597580 Apparatus for diagnostic gas analysis Dec. 3, 2013
8597579 Molecularly imprinted polymer-denuder based sensors Dec. 3, 2013
8591828 Hydrogen gas detecting membrane Nov. 26, 2013
8586383 Device and method for detection of harmful substances Nov. 19, 2013
8585983 Halogen and heavy metal-free composition for a humidity indicating device and humidity indicating device containing the same Nov. 19, 2013
8580199 Oxygen sensor and measuring method Nov. 12, 2013
8578758 Gas sensor and method for production thereof Nov. 12, 2013
8574920 Optical fiber polarimetric chemical sensor with modulated injection of sample fluid Nov. 5, 2013
8563319 Differential resonators for NO.sub.2 detection and methods related thereto Oct. 22, 2013
8557184 Devices and methods for measuring the acidity of airborne matter using UV-visible spectrometry Oct. 15, 2013
8560010 Cell phone with breath analyzer Oct. 15, 2013
8551400 Analyte sensors, testing apparatus and manufacturing methods Oct. 8, 2013
8551401 Sample preparation assembly Oct. 8, 2013
8545761 Chemical and biological sensor Oct. 1, 2013
8530241 Hydrofluorocarbon sensing and elimination device and method Sep. 10, 2013
8529799 Manufacturing method of metal oxide semiconductor material for gas sensor Sep. 10, 2013
8524155 Virus and particulate separation from solution Sep. 3, 2013
8518344 Halogen and heavy metal-free humidity indicating composition and humidity indicator card containing the same Aug. 27, 2013
8519446 Etch resistant gas sensor Aug. 27, 2013
8513022 Analytical method and apparatus Aug. 20, 2013
8501117 Apparatuses, systems, and methods utilizing capillary action Aug. 6, 2013
8501481 Methods and articles for identifying objects using encapsulated perflurocarbon tracers Aug. 6, 2013
8501101 Gas sensor Aug. 6, 2013
8502004 Process for evaluating a refinery feedstock Aug. 6, 2013
8501100 Oxygen detection using metalloporphyrins Aug. 6, 2013
8497130 Method for determining the partition coefficient of an analyte Jul. 30, 2013
8480955 Gas sensor incorporating a porous framework Jul. 9, 2013
8475717 Explosive or drug detection reporting system Jul. 2, 2013
8475720 Method for improving a polymerization reaction by taking out and analysing a sample Jul. 2, 2013
8465700 High-throughput solvent evaporator and gas manifold with uniform flow rates and independent flow controls Jun. 18, 2013
8460936 Apparatus and method of measuring concentration of fuel Jun. 11, 2013
8460606 Automatic reactor for catalytic microactivity studies Jun. 11, 2013

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