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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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Patent Number Title Of Patent Date Issued
8454526 Carbon dioxide-sensing airway products and technique for using the same Jun. 4, 2013
8455262 Method to avert an unlawfully intoxicated driver from operating a vehicle by passive measurement of an ethanol vapor concentration in air Jun. 4, 2013
8449847 Device and method for handling multi-component mixture May. 28, 2013
8444921 Molecular separators, concentrators, and detectors preparatory to sensor operation, and methods of minimizing false positives in sensor operations May. 21, 2013
8445873 System and method for detecting at least one contamination species in a lithographic apparatus May. 21, 2013
8415166 Semiconductor detector for peroxide-based explosives Apr. 9, 2013
8414831 Chlorine gas sensing system Apr. 9, 2013
8409867 Ultra low-power CMOS based bio-sensor circuit Apr. 2, 2013
8409864 Ammonia sensor and system for use Apr. 2, 2013
8398920 Drinking vessels and related systems and methods Mar. 19, 2013
8398922 Highly sensitive oxygen sensor for cell culture Mar. 19, 2013
8398921 Chemical sensor using metal nano-particles and method for manufacturing chemical sensor using metal nano-particles Mar. 19, 2013
8394338 Process for hydrophilizing surfaces of fluidic components and systems Mar. 12, 2013
8394327 Manufacturing method for acoustic wave sensor realizing dual mode in single chip and biosensor using the same Mar. 12, 2013
8383412 Sensors and switches for detecting hydrogen Feb. 26, 2013
8377705 Breath analyzer system and method of operating the same Feb. 19, 2013
8372650 Sensing element for nitrogen oxide molecule sensing apparatus for nitrogen oxide molecule and method for sensing nitrogen oxide molecule Feb. 12, 2013
8372344 Nanoscale spintronic chemical sensor Feb. 12, 2013
8349260 System and method for limiting sensor exposure to ozone Jan. 8, 2013
8349257 Detecting apparatus with photonic crystal structure Jan. 8, 2013
8343436 Organic sensor device and its applications Jan. 1, 2013
8329107 Sensor that compensates for deterioration of a luminescable medium Dec. 11, 2012
8329099 Reigniting flame in volatile organic compound device Dec. 11, 2012
8323574 Method and apparatus for reducing a nitrogen oxide, and control thereof Dec. 4, 2012
8323978 Calibration system and technique for photoluminescent oxygen sensors with zero point maintained with a metal-air battery Dec. 4, 2012
8318525 Gas sensing device Nov. 27, 2012
8309028 Chemiresistor for use in conducting electrolyte solution Nov. 13, 2012
8309024 Methods and systems for non-destructive determination of fluorination of carbon powders Nov. 13, 2012
8309029 Virus and particulate separation from solution Nov. 13, 2012
8302459 Thermal conductivity sensor Nov. 6, 2012
8303897 Capacitive sensor for organic chemicals comprising an elastomer and high dielectric materials with titanate Nov. 6, 2012
8303920 Method for refining dilution air and dilution air refinery Nov. 6, 2012
8304273 Insulated nanogap devices and methods of use thereof Nov. 6, 2012
8298488 Microfabricated thermionic detector Oct. 30, 2012
8293187 Device and method for direct measurement of isotopes of expired gases Oct. 23, 2012
8293340 Plasma deposited microporous analyte detection layer Oct. 23, 2012
8294008 Carbon nanotube sensor Oct. 23, 2012
8293179 Gas detection apparatus Oct. 23, 2012
8288163 Apparatus and method for detecting triacetone triperoxide Oct. 16, 2012
8282798 Gas probe with hygroscopically coated protective device, method of producing a gas probe and exhaust gas purification component and vehicle having a gas probe Oct. 9, 2012
8277732 Air quality detection pack Oct. 2, 2012
8273298 Body odor detection device Sep. 25, 2012
8268630 Differential preconcentrator-based chemical sensor stabilization Sep. 18, 2012
8268251 Early warning sulfur detection based on change in fluorescence intensity of polymer-bound phosphine compound Sep. 18, 2012
8268250 Proton acceptance type sensor, hydrogen gas sensor and acid sensor Sep. 18, 2012
8263002 Fabrication of ZnO nanorod-based hydrogen gas nanosensor Sep. 11, 2012
8262998 Detection methods and detection devices based on the quantum confinement effects Sep. 11, 2012
8256747 Closed-loop sensor tester for simulating open-area releases Sep. 4, 2012
8257655 Gas detecting arrangement Sep. 4, 2012
8252237 Substance detection sensor Aug. 28, 2012

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