| 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) |
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| 06/09/1993 | CN1073007A Optical methods and apparatus |
| 06/09/1993 | CN1021130C Wavelength dispersion electrophoresis apparatus |
| 06/08/1993 | US5218656 Optical fiber probe for attentuated total reflectance measurements |
| 06/08/1993 | US5218553 Method for determining concentrations by means of atomic emission spectroscopy |
| 06/08/1993 | US5218481 Optical inspection apparatus |
| 06/08/1993 | US5218428 Optical transmittance apparatus for fluids |
| 06/08/1993 | US5218426 Highly accurate in-situ determination of the refractivity of an ambient atmosphere |
| 06/08/1993 | US5218422 Interferometric analyzer for multiple substance detection |
| 06/08/1993 | US5218419 Selecting a change in a specimen |
| 06/08/1993 | US5218417 System and methods for measuring the haze of a thin film |
| 06/08/1993 | US5218416 Irradiance calibration with solar diffuser |
| 06/08/1993 | US5218212 Device for optically detecting a chemical change in fluid |
| 06/08/1993 | US5218211 System for sampling the sizes, geometrical distribution, and frequency of small particles accumulating on a solid surface |
| 06/08/1993 | US5218207 Using led harmonic wavelengths for near-infrared quantitative |
| 06/08/1993 | US5218206 Method for determining the condition of a roadway surface |
| 06/08/1993 | US5217875 Method for detecting biological activities in a specimen and a device for implementing the method |
| 06/08/1993 | CA2084540A1 Measuring system for the determination of the concentration of inorganic and organic compounds in a sample |
| 06/08/1993 | CA1318963C Method for the detection of gas using photoacoustic spectroscopy |
| 06/08/1993 | CA1318840C Locking rack and disposable sample cartridge |
| 06/03/1993 | DE4215165A1 Miniaturised raster scanning light source, e.g. for spectral photometer - sequentially activates two or more different sources in UV to IR region by electrical switching |
| 06/03/1993 | DE4207642C1 System for measurement and analysis of gasket from ground below rubbish dumps. - on site with boring rod and probe device using light of given frequency range |
| 06/03/1993 | DE4139641A1 Optical measuring device for determining angle-dependent light distribution in space - uses integrated-optical assembly consisting of flat array of optical waveguides, and semiconducting photoreceiver or array |
| 06/03/1993 | DE4139094A1 Fault points automatic detection for flat glass, for bubbles and scratches - by transmitting light beam through sample and registering illuminated section through lens on photoelectric receiver for light diffused, reflected or deflected |
| 06/02/1993 | EP0544417A1 Method of detecting surface volatile materials and a detector therefore |
| 06/02/1993 | EP0543896A1 In vivo measurement of oxygen concentration levels |
| 06/02/1993 | EP0543842A1 Analytical device. |
| 06/02/1993 | EP0543831A1 Analytical device. |
| 06/02/1993 | EP0457843A4 Method and apparatus for measuring registration between layers of a semiconductor wafer |
| 06/02/1993 | EP0409932B1 Apparatus and method for detecting defects in an optical fiber |
| 06/01/1993 | US5216624 Automated fossil-reflectance measurement apparatus and methods |
| 06/01/1993 | US5216488 Method for photometrically measuring light transmitted to and through cuvettes disposed in a row |
| 06/01/1993 | US5216487 Transmissive system for characterizing materials containing photoreactive constituents |
| 06/01/1993 | US5216485 Advanced via inspection tool (avit) |
| 06/01/1993 | US5216484 Real-time imaging spectrometer |
| 06/01/1993 | US5216483 Fluorescence analyzer for lignin |
| 06/01/1993 | US5216482 Apparatus for emission spectrochemical analysis |
| 06/01/1993 | US5216481 Method of and apparatus for inspecting transparent object for defect |
| 06/01/1993 | US5216479 Optical inspection system for distinguishing between first and second components in a laminate |
| 06/01/1993 | US5216244 Accessory and crystalline element for attenuated total reflection infrared spectroscopy |
| 06/01/1993 | US5216239 Residual fluid detection apparatus for detecting fluid at the bottom of a bottle using both IR and visible light |
| 06/01/1993 | US5215715 Microwave heated digesting system for digesting materials to be analyzed |
| 06/01/1993 | CA1318580C Analytical test strip |
| 06/01/1993 | CA1318520C Infrared-based gas detector |
| 06/01/1993 | CA1318518C Agglutination detection apparatus |
| 06/01/1993 | CA1318517C Asymmetric purge air system for cleaning a lens |
| 05/30/1993 | CA2081868A1 Composition and device for urinary protein assay and method of using the same |
| 05/28/1993 | CA2083872A1 Tube weld seam inspection device |
| 05/27/1993 | WO1993010553A1 Technique for correcting non-linearity in a photodetector |
| 05/27/1993 | WO1993010438A1 Spark-excited fluorescence sensor |
| 05/27/1993 | WO1993010437A1 A method relating to the quantification of a substance with the aid of fluorescence |
| 05/27/1993 | WO1993010436A1 Device for detecting quality alterations in bulk goods transported on moving belt conveyors |
| 05/27/1993 | WO1993010425A1 Spectroscopic sampling accessory having dual measuring and viewing system |
| 05/27/1993 | WO1993010424A1 Hematocrit and oxygen saturation blood analyzer |
| 05/27/1993 | WO1993010266A1 Device and method for detection of compounds which intercalate with nucleic acids |
| 05/27/1993 | WO1993010189A1 New pentacyclic compounds and their use as absorption or fluorescence dyes |
| 05/27/1993 | WO1993009711A1 Using led harmonic wavelengths for near-infrared quantitative measurements |
| 05/27/1993 | DE4138418A1 Detector for measuring optical properties of CRT faceplate - uses halogen light source, optical fibres and photodiodes to detect reflected components in selected frequency bands for grey scale evaluation |
| 05/27/1993 | DE4138242A1 Portable photometric device for rapid gas analysis during fires - has number of channels for simultaneous determn. of light intensity in number of wavelength regions, display elements, etc. |
| 05/27/1993 | DE4138157A1 Measuring thickness of coating, e.g. of zinc@ on steel, - counting repeatedly applied laser pulses until spectral lines in plasma generated changes |
| 05/27/1993 | CA2122899A1 Using led harmonic wavelengths for near-infrared quantitative measurements |
| 05/27/1993 | CA2122449A1 Technique for correcting non-linearity in a photodetector |
| 05/26/1993 | WO1993011418A1 Improved gas sample chamber |
| 05/26/1993 | EP0543677A1 Method for detecting pinholes in continuously cast billets |
| 05/26/1993 | EP0543629A1 Defect detection |
| 05/26/1993 | EP0543578A1 Spectroscopic apparatus and methods |
| 05/26/1993 | EP0543550A1 Method and apparatus for molecule detection |
| 05/26/1993 | EP0543514A2 Imaging flow cytometer |
| 05/26/1993 | EP0543333A1 New pentacyclic compounds and their use as absorption or fluorescence dyestuffs |
| 05/26/1993 | EP0543040A1 Multilayer film indicator for determining the integrity or authenticity of an item and process for using same |
| 05/26/1993 | EP0542962A1 Confocal spectroscopy. |
| 05/26/1993 | EP0536283A4 Reservoir chemical sensors with optional removable reservoir cells |
| 05/26/1993 | EP0522090A4 Reservoir fiber optic chemical sensors |
| 05/26/1993 | CN1020959C Rapid determination of sludge content and device therefor |
| 05/25/1993 | US5214713 Machine vision system |
| 05/25/1993 | US5214593 Method and apparatus for extending the linear dynamic range of absorbance detectors including multi-lightpath flow cells |
| 05/25/1993 | US5214486 Monitor plate for automatic particle detection system |
| 05/25/1993 | US5214288 Method and apparatus for two-dimensional measurement of concentration of biological macromolecule solution |
| 05/25/1993 | US5214286 Horizontal multiple internal reflection accessory for internal reflection spectroscopy |
| 05/25/1993 | US5214277 Near-infrared reflectance spectrometer system and related sample cell and sample support |
| 05/25/1993 | US5213830 Method of detecting worms in meat |
| 05/25/1993 | US5213673 Multi-colored electrophoresis pattern reading apparatus |
| 05/25/1993 | US5213105 Frequency domain optical imaging using diffusion of intensity modulated radiation |
| 05/25/1993 | CA1318414C Optical inspection system for solder joints and inspection method |
| 05/25/1993 | CA1318229C Optical fiber sensors for chemical detection |
| 05/25/1993 | CA1318228C Simultaneous assay for glucose and urea |
| 05/23/1993 | CA2083449A1 Method for detecting pinholes in continuously cast billets |
| 05/20/1993 | CA2083074A1 Defect detection |
| 05/20/1993 | CA2055829A1 Multilayer film indicator for determining the integrity or authenticity of an item and process for using same |
| 05/19/1993 | EP0542603A1 Optical fibre sensor for measuring a parameter, procedure for evaluating the parameter, and application of the sensor to gas measurement |
| 05/19/1993 | EP0542260A1 Test strip automatic supply device and supply method using the same. |
| 05/19/1993 | EP0542019A1 8-Hydroxy-2H-dibenz(b,f) azepin-2 one dyes |
| 05/19/1993 | EP0541734A1 Ftir remote sensor apparatus and method |
| 05/19/1993 | EP0522076A4 Fiber optic refractive index sensor using metal cladding |
| 05/19/1993 | EP0327588B1 High sensitivity optical imaging apparatus |
| 05/19/1993 | DE4137673A1 Grazing X=ray reflectometer for rapid diffraction investigations - enabling surface property and thin film thickness determination |
| 05/18/1993 | US5212667 Light imaging in a scattering medium, using ultrasonic probing and speckle image differencing |
| 05/18/1993 | US5212538 Fluorescence measurement apparatus with an automatic recorder full-scale setting function |
| 05/18/1993 | US5212386 High speed cross-correlation frequency domain fluorometry-phosphorimetry |
| 05/18/1993 | US5212365 Direct injection micro nebulizer system and method of use |
| 05/18/1993 | US5212099 Quantitative analysis with radiation |