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Class Information
Number: 250/339.07
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Infrared responsive > With selection of plural discrete wavelengths or bands > With radiation source > Including spectrometer or spectrophotometer
Description: Subject matter wherein a spectrometer or a spectrophotometer is used to detect infrared radiation that has interacted with a sample.

Sub-classes under this class:

Class Number Class Name Patents
250/339.08 Including fourier transform infrared spectrometry 177

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8686363 Hyperspectral stimulated emission depletion microscopy and methods of use thereof Apr. 1, 2014
8642964 High repetition rate photoconductive terahertz emitter using a radio frequency bias Feb. 4, 2014
8633440 Optical demultiplexing system Jan. 21, 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
8610071 Method of measuring characteristics of specimen, and flat-plate periodic structure Dec. 17, 2013
8581194 Method and apparatus for measuring a spectrum of an optical sensor, advantageously in the infrared region Nov. 12, 2013
8569644 Process and apparatus for analysing and separating grain Oct. 29, 2013
8571254 Authentication system and portable medium for authentication Oct. 29, 2013
8548222 Seed sorter Oct. 1, 2013
8546761 Bellows actuated infrared (IR) stage Oct. 1, 2013
8541743 Apparatus and method for detecting and quantifying analytes in solution Sep. 24, 2013
8507866 Cold-shielded infrared dispersive spectrometer with all ambient optics Aug. 13, 2013
8481944 IR spectrometer with non-contact temperature measurement Jul. 9, 2013
8481942 Direct match spectrographic determination of fuel properties Jul. 9, 2013
8479559 Cylindrical photoacoustic detector with excitation of the second azimuthal resonance Jul. 9, 2013
8474356 Machine tool monitoring device Jul. 2, 2013
8450687 Integrated terahertz antenna and transmitter and/or receiver, and a method of fabricating them May. 28, 2013
8441644 Method and apparatus for the photo-acoustic identification and quantification of analyte species in a gaseous or liquid medium May. 14, 2013
8422756 Method of generating nuclear magnetic resonance images using susceptibility weighted imaging and susceptibility mapping (SWIM) Apr. 16, 2013
8401271 Seed sorter Mar. 19, 2013
8370082 Method for predicting a physical property of a residue obtainable from a crude oil Feb. 5, 2013
8359903 Photoacoustic detector with two beam paths for excitation light Jan. 29, 2013
8351040 Electric gated integrator detection method and device thereof Jan. 8, 2013
8319182 Methods and systems for using IR spectroscopy to quantify degradation of wiring insulation Nov. 27, 2012
8309929 Tunable photonic cavities for in-situ spectroscopic trace gas detection Nov. 13, 2012
8296106 Apparatus, method and computer-readable storage medium for processing a signal in a spectrometer system Oct. 23, 2012
8283635 Method for determining the gas quality of a sample gas mixed at least in part with biogas or processed biogas Oct. 9, 2012
8269174 Method and apparatus for compact spectrometer for multipoint sampling of an object Sep. 18, 2012
8227256 Two-color (two-photon) excitation with focused excitation beams and a raman shifter Jul. 24, 2012
8222605 Method for determination of the total acid number and naphthenic acid number of petroleum, petroleum cuts and petroleum emulsions of water-in-oil type by mid-infrared spectroscopy Jul. 17, 2012
8189901 Seed sorter May. 29, 2012
8180581 Systems and methods for identifying correlated variables in large amounts of data May. 15, 2012
8153979 Interference spectroscopic analysis device Apr. 10, 2012
8154731 Method and a system for the assessment of samples Apr. 10, 2012
8147134 Method and apparatus for isotope identification and radioactivity measurement of alpha-emitting-radionuclides using a low temperature detector Apr. 3, 2012
8148689 Detection of distant substances Apr. 3, 2012
8148690 Method and apparatus for on-line web property measurement Apr. 3, 2012
8101916 Method for measuring biodiesel concentration in a biodiesel diesel oil mixture Jan. 24, 2012
8098377 Electric gated integrator detection method and device thereof Jan. 17, 2012
8094294 Multipoint method for identifying hazardous agents Jan. 10, 2012
8073639 Method for identifying a convolved peak Dec. 6, 2011
8063373 Compact near-IR and mid-IR cavity ring down spectroscopy device Nov. 22, 2011
8064133 Light receiving optical system, and spectrophotometer incorporated with the same Nov. 22, 2011
8054463 Method and system for measuring sub-surface composition of a sample Nov. 8, 2011
8044354 Method for classifying resins types in carbon fiber reinforced plastic materials using IR spectroscopy Oct. 25, 2011
8022366 Non-invasive qualitative measurement of chemistry of blood and bodily fluids Sep. 20, 2011
8017910 Method for predicting hydrocarbon process stream stability using near infrared spectra Sep. 13, 2011
8013303 Mobile remote detection of fluids by a laser Sep. 6, 2011
8015088 Methods for implementing a loyalty program Sep. 6, 2011
7982189 Spectrometer for fluid analysis Jul. 19, 2011

1 2 3 4 5 6 7

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