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Class Information
Number: 250/338.5
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Infrared responsive > With means to analyze uncontained fluent material
Description: Subject matter having means to detect infrared radiation emanating from the material.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8681337 Independent-beam gas filter correlation radiometry with field-of-view matching Mar. 25, 2014
8614096 Humidity and temperature corrections to improve accuracy of HF ambient air monitors based on tunable diode laser IR absorption measurements Dec. 24, 2013
8541744 Method and apparatus for wavelength locking free optical frequency comb based differential absorption Lidar Sep. 24, 2013
8481942 Direct match spectrographic determination of fuel properties Jul. 9, 2013
8461531 Detecting volcanic ash in jet engine exhaust Jun. 11, 2013
RE44214 Unmanned integrated optical remote emissions sensor (RES) for motor vehicles May. 14, 2013
8421018 Detection of chemicals with infrared light Apr. 16, 2013
8421017 Analyte detection with infrared light Apr. 16, 2013
8390813 Apparatus and method for monitoring of gas having stable isotopes Mar. 5, 2013
8345250 System and method for detecting chemical species from a remote sensing platform Jan. 1, 2013
8294102 Tactical chemical biological threat detection Oct. 23, 2012
8294899 Mapping concentrations of airborne matter Oct. 23, 2012
8269170 Methods and systems for remote detection of gases Sep. 18, 2012
8269171 System and method for detecting, tracking and identifying a gas plume Sep. 18, 2012
8222604 Detection of chemicals with infrared light Jul. 17, 2012
8198589 Remote sensing of gas leaks Jun. 12, 2012
8183527 Gas detecting method and gas detecting apparatus May. 22, 2012
8174693 Calibration optic for a solar/earth spectrometer May. 8, 2012
8158944 Atmospheric gas detection apparatus and method Apr. 17, 2012
8143580 Crossed biased filtering NDIR gas sensing methodology Mar. 27, 2012
8101915 Detection of chemicals with infrared light Jan. 24, 2012
8085404 Gas analyzer and gas analyzing method Dec. 27, 2011
8063371 Device for indicating illicit substances in the exhalation air of a machine operator Nov. 22, 2011
7977638 Long-term stable optical sensor arrangement, especially a hydrogen sensor, and combined gas sensor arrangement Jul. 12, 2011
7977639 Device for the remote optical detection of gas Jul. 12, 2011
7965391 Airborne tunable mid-IR laser gas-correlation sensor Jun. 21, 2011
7939804 System and method for detecting gas leaks May. 10, 2011
7916947 False alarm recognition in hyperspectral gas plume identification Mar. 29, 2011
7910890 Infrared camera system with diffractive optical array Mar. 22, 2011
7884937 Airborne tunable mid-IR laser gas-correlation sensor Feb. 8, 2011
7872756 Gas measuring apparatus and gas measuring method Jan. 18, 2011
7855367 Remote sensing of gas leaks Dec. 21, 2010
7834320 Remote biological, chemical and explosive detector Nov. 16, 2010
7799835 Recycling and reduction of plastics and non-plastics material Sep. 21, 2010
7687776 Gas and/or flame imaging system with explosion proof housing Mar. 30, 2010
7635845 IR sensor, especially a CO.sub.2 sensor Dec. 22, 2009
7564033 Microstructured sensor Jul. 21, 2009
RE40767 Unmanned integrated optical remote emissions sensor (RES) for motor vehicles Jun. 23, 2009
7544943 Method and system for remote exhaust emission measurement Jun. 9, 2009
7528373 Method and system for detection of gas leakage sources May. 5, 2009
7514685 Infrared-type gas detector Apr. 7, 2009
7508520 System and method for multi-target fluid concentration detection and mapping Mar. 24, 2009
7485861 System and method for remote emissions sensing including calculation and calibration techniques compensating for temperature and pressure effects Feb. 3, 2009
7477395 Measuring device Jan. 13, 2009
7360397 Detector with condenser Apr. 22, 2008
7339168 System and method for detecting water vapor within natural gas Mar. 4, 2008
7312452 Mobile remote detection device and remote detection method for methane gas accumulations Dec. 25, 2007
7288766 Infrared gas detector and method of the same Oct. 30, 2007
7276701 Method of infrared-optically determining the concentration of at least one analyte in a liquid sample Oct. 2, 2007
7227122 Image processing apparatus and method for processing images Jun. 5, 2007

1 2 3 4 5

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