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Browse by Category: Main > Chemistry
Class Information
Number: 436/900
Name: Chemistry: analytical and immunological testing > Breath testing
Description: Art collection of chemical tests relating to breath testing.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8542096 Intelligent observation and identification database system Sep. 24, 2013
8377705 Breath analyzer system and method of operating the same Feb. 19, 2013
8330599 Intelligent observation and identification database system Dec. 11, 2012
8195406 Estimating consumer status using non-invasive technology Jun. 5, 2012
8188861 Intelligent observation and identification database system May. 29, 2012
7992422 Breath-based sensors for non-invasive molecular detection Aug. 9, 2011
7855081 Methods of detecting RF interference in breath ethanol testing Dec. 21, 2010
7736903 Tracer to compensate for environmental variations that influence a chemical vapor sensor measurement Jun. 15, 2010
7421882 Breath-based sensors for non-invasive molecular detection Sep. 9, 2008
7413892 Systems and methods for molecular recognition Aug. 19, 2008
7329390 Device and process for measuring breath alcohol Feb. 12, 2008
7236094 Drug and alcohol sensor safety system and methods Jun. 26, 2007
7218236 Vehicle ignition interlock systems that detect the presence of alcohol within vehicles May. 15, 2007
7049149 Biological marker for stress states May. 23, 2006
6974706 Application of biosensors for diagnosis and treatment of disease Dec. 13, 2005
6923079 Recording, transmission and/or playback of data representing an airflow Aug. 2, 2005
6792793 Breath measurement instrument and breath alcohol interlock device incorporating same Sep. 21, 2004
RE38575 Diagnostic method for diabetes using C-13 labeled pyruvic acid Aug. 31, 2004
6464941 Breath alcohol measuring apparatus having a sample intake channel and a temperature sensor mounted therein Oct. 15, 2002
6319724 Trace level detection of analytes using artificial olfactometry Nov. 20, 2001
6265221 Device for trapping and assaying C14 labelled carbon dioxide and method of use Jul. 24, 2001
6254547 Breath methylated alkane contour: a new marker of oxidative stress and disease Jul. 3, 2001
6214317 Diagnostic method for diabetes using C-13 labeled pyruvic acid Apr. 10, 2001
6205840 Time clock breathalyzer combination Mar. 27, 2001
6180414 Breath test for detection of drug metabolism Jan. 30, 2001
6177051 Dispensable alcohol breath analyzer system Jan. 23, 2001
6174730 Reagent for evaluating a hepatic operation Jan. 16, 2001
6167746 Apparatus and method for determining a person's sobriety Jan. 2, 2001
6150177 Device and process for determining the temperature of the gas sample flow during breath alcohol measurements Nov. 21, 2000
6110122 Breath test for assessing hepatic function Aug. 29, 2000
6096558 Process for calibrating a breath alcohol-measuring instrument Aug. 1, 2000
6083756 Prevention of sudden infant death Jul. 4, 2000
6026674 Apparatus and method for determining a person's sobriety Feb. 22, 2000
5961470 Breath test for assessing hepatic function Oct. 5, 1999
5962335 Breath test for detection of drug metabolism Oct. 5, 1999
5929319 Breath testing apparatus Jul. 27, 1999
5854000 Methods for measurement predicated on the presence of advanced glycosylation endproducts in tobacco and its combustion byproducts Dec. 29, 1998
5783449 Method for quantifying alcohol catabolism Jul. 21, 1998
5770793 Method for determining the concentration of a substance in a gas Jun. 23, 1998
5721142 Method for monitoring mammalian reproductive cycles Feb. 24, 1998
5552324 Method and apparatus for determining the concentration of readily oxidizable organic vapors in gas samples Sep. 3, 1996
5517985 Carbon dioxide detector and shield May. 21, 1996
5495744 Method of correcting componential concentration in expiration and expiration analyzer Mar. 5, 1996
5496740 Method and apparatus for determining the concentration of components of liquid systems Mar. 5, 1996
5472668 Carbon dioxide monitor Dec. 5, 1995
5458853 Breath analysis device Oct. 17, 1995
5443794 Measuring apparatus Aug. 22, 1995
5400637 System and method of checking calibration of breath alcohol measuring instrument with barometric pressure compensation Mar. 28, 1995
5375592 Carbon dioxide detector and shield Dec. 27, 1994
5376555 Method for testing breath alcohol with discrimination between alveolar and upper respiratory tract alcohol Dec. 27, 1994

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