Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light
Patents for G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light (181,396)
10/1998
10/28/1998CN1197208A Measuring device to reflect diffuse reflector and light distribution transmitted through three dimensional space
10/28/1998CN1196982A Color-sorting machine for granular materials
10/28/1998CN1196981A Process for distinguishing plumbing parts by coating applied thereto
10/27/1998US5828798 Looped fiber-optic sensor for the detection of substances
10/27/1998US5828716 Procedure for identifying the number of particles that are weakly luminescent
10/27/1998US5828500 For detecting a defect of an optical element
10/27/1998US5828460 Apparatus for optical inspection of metallic surfaces
10/27/1998US5828459 Apparatus and method for scanning laser microscopy
10/27/1998US5828458 For use in testing the condition of a fluid
10/27/1998US5828457 Sample inspection apparatus and sample inspection method
10/27/1998US5828450 Spectral measuring apparatus and automatic analyzer
10/27/1998US5828449 Ring illumination reflective elements on a generally planar surface
10/27/1998US5828448 Method and apparatus for distinguishing between defects in an optical fiber coating
10/27/1998US5828446 Method of inspecting ophthalmic lenses
10/27/1998US5828445 Method for measuring and reporting co-oximeter quality control results
10/27/1998US5828405 Gemstone registration system
10/27/1998US5828307 Hydrocarbon gas monitor desk
10/27/1998US5828058 Optical fiber remote sensing system with electromagnetic wave measurement
10/27/1998US5827675 Test apparatus, system and method for the detection of test samples
10/27/1998US5827663 Illuminating solvent with nucleotide sample with first light in a first region to form photobleached solvent, introducing solvent and sample into second region free of first light, illuminating with second light to luminiscence the sample
10/27/1998US5827650 Membrane for chemiluminescent blotting applications
10/27/1998US5827438 Thin incadescent filaments formed from a metallization layer confined by insulating layers, a radiant surface layer and a second metallization layer for contacts which altogether form a uniform planar plate; high intensisty
10/27/1998US5827190 Endoscope having an integrated CCD sensor
10/27/1998US5827182 Multiple LED sets in oximetry sensors
10/27/1998US5826974 Spherical illuminator
10/25/1998WO1998049545A1 Sensor unit, process and device for inspecting the surface of an object
10/24/1998CA2235296A1 The use of fluorescence for monitoring product concentrations of metalworking fluids for non-ferrous and ferrous metals
10/22/1998WO1998046992A1 Method for detecting s-nitroso compound
10/22/1998WO1998046981A1 Microplate having wells with elevated bottoms
10/22/1998WO1998046979A1 System and method for evenly suspending and circulating particles in a liquid
10/22/1998WO1998046935A1 Calibration medium for uv absorbance detectors
10/22/1998WO1998046372A1 Optical method and apparatus for sorting textiles
10/22/1998WO1998046133A1 Apparatus and methods relating to optical systems for diagnosis of skin diseases
10/22/1998DE19815273A1 Investigating vehicle exhaust gas
10/22/1998DE19752663A1 Wafer identification device
10/22/1998DE19716264A1 Vorrichtung und Verfahren zur Überprüfung einer Oberfläche eines Gegenstands Apparatus and method for testing a surface of an object
10/22/1998DE19716228A1 Checking surface of an optical component
10/22/1998DE19716007A1 Beam arrangement for two beam gas analyser
10/22/1998DE19715757A1 Control of grinding mill supplying pulverised coal burner
10/22/1998CA2285611A1 Optical method and apparatus for sorting textiles
10/22/1998CA2255857A1 Method for detecting s-nitroso compound
10/21/1998EP0872733A1 Method for simultaneously assaying of biomolecular interactions by plasmon resonance and fluorescence detection
10/21/1998EP0872724A2 Method and apparatus for the external inspection of containers
10/21/1998EP0872723A2 Optical sensor
10/21/1998EP0872562A1 Instrument for monitoring nucleic acid amplification reactions
10/21/1998EP0871878A1 Method and plant for mixing and analyzing unhomogeneous flowable foodstuff, fodder or pharmaceutical material
10/21/1998EP0871865A2 Device for measuring the partial pressure of gases dissolved in liquids
10/21/1998EP0871864A1 Magnetic particle based electrochemiluminescent detection apparatus and method
10/21/1998EP0871863A1 Fluorometer
10/21/1998EP0871862A1 Diffusion imaging using direct reconstruction of scattered radiation
10/21/1998EP0871861A1 Optical trap for detection and quantitations of subzeptomolar quantities of analytes
10/21/1998EP0871860A1 Photoacoustic gas detector
10/21/1998EP0871858A1 Method and apparatus for quantitative particle determination in fluids
10/21/1998EP0871774A1 Detection of nucleic acids and nucleic acid units
10/21/1998EP0871545A1 Silicon-based sleeve devices for chemical reactions
10/21/1998EP0871397A1 Optical fibre filter sensor
10/21/1998EP0810912B1 Optical inspection device for on-line inspection of weld or soldered seams
10/21/1998CN2295216Y Portable water-hardness detector
10/21/1998CN2295215Y Iodine-salt test paper
10/21/1998CN2295214Y Double-refraction test instrument
10/21/1998CN1196791A Moire interferometary system and method with extended image depth
10/21/1998CN1196393A Technology for measuring cytochemistry component content with biological tissue in situ three-D
10/20/1998US5825790 Optical sources having a strongly scattering gain medium providing laser-like action
10/20/1998US5825501 Structure and yarn sensor for fabric
10/20/1998US5825500 Unit for transferring to-be-inspected object to inspection position
10/20/1998US5825499 Method for checking wafers having a lacquer layer for faults
10/20/1998US5825495 Bright field illumination system
10/20/1998US5825488 Method and apparatus for determining analytical data concerning the inside of a scattering matrix
10/20/1998US5825485 Compact trace element sensor which utilizes microwave generated plasma and which is portable by an individual
10/20/1998US5825483 Multiple field of view calibration plate having a reqular array of features for use in semiconductor manufacturing
10/20/1998US5825482 Surface inspection system with misregistration error correction and adaptive illumination
10/20/1998US5825479 Apparatus for detecting fibers with different dispersion characteristics and method
10/20/1998US5825478 Multifunctional photometer apparatus
10/20/1998US5825028 Quality control method for detecting defective polishing pads used in planarization of semiconductor wafers
10/20/1998US5824526 Doped sol-gel glasses for obtaining chemical interactions
10/20/1998US5824270 On-line water monitor
10/20/1998US5823951 Method for non-invasive blood analyte measurement with improved optical interface
10/20/1998US5823950 Manual and automatic probe calibration
10/15/1998WO1998045869A1 Apodizing filter system useful for reducing spot size in optical measurements and for other applications
10/15/1998WO1998045803A1 Optically-based methods and apparatus for performing document authentication
10/15/1998WO1998045800A1 Method and apparatus for detecting mura defects
10/15/1998WO1998045744A2 Uv microscope converting uv image to visible color image
10/15/1998WO1998045729A1 Optically stimulated luminescence dosimetry in dental enamel
10/15/1998WO1998045690A1 Device for detecting diffusely scattered impurities in transparent receptacles
10/15/1998WO1998045689A1 Device for optically testing surfaces
10/15/1998WO1998045688A1 Minimally invasive sensor
10/15/1998WO1998045687A1 Optical instrument having a variable optical filter
10/15/1998WO1998045686A1 Analysis method for gases and apparatus therefor
10/15/1998WO1998045685A1 Improved surface inspection system with misregistration error correction and adaptive illumination
10/15/1998WO1998045682A1 A system for acquiring an image of a multi-phase fluid by measuring backscattered light
10/15/1998WO1998045678A1 Device and method for optically detecting the presence of ingredients of a pourable product
10/15/1998WO1998045575A1 Method and apparatus for the downhole compositional analysis of formation gases
10/15/1998WO1998045481A1 Closed-loop biochemical analyzers
10/15/1998WO1998022798A3 Contaminant detector
10/15/1998DE19816224A1 Microfluid channel element
10/15/1998DE19715450A1 Quality control device for verifying glass ampoule seal integrity
10/15/1998DE19714664A1 Washing machine, etc. measures water turbidity
10/15/1998DE19714202A1 Vorrichtung zum optischen Prüfen von Oberflächen Device for the optical testing of surfaces
10/15/1998DE19714115A1 Vorrichtung zur optischen Bestimmung von Inhaltsstoffen Apparatus for the optical determination of ingredients
10/15/1998DE19713973A1 Optical testing method for mantle surface of cylindrical component
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