| 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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| 02/01/1994 | US5282466 Device for measuring a feature of a sample |
| 02/01/1994 | CA1326603C Method of measuring meat texture |
| 01/27/1994 | DE4224540A1 Monitoring glass containers in manufacturing machine - thermally coding randomly selected containers and detecting thermal markings |
| 01/27/1994 | DE4224435A1 Optical interface for infrared monitoring of transparent screen - uses optical waveguide to couple light from IR source onto screen and has photodetector receiving reflected light fed via second waveguide |
| 01/26/1994 | EP0580414A2 Apparatus for measuring absorption information in scattering medium and method for the same |
| 01/26/1994 | EP0580362A1 Fluorescence detecting apparatus |
| 01/26/1994 | EP0580141A2 Highly sensitive electronic device for measuring extremely faint light emissions |
| 01/26/1994 | EP0579724A1 Confocal imaging system for visible and ultraviolet light |
| 01/26/1994 | EP0579707A1 Methods of and apparatus for measurement using acousto-optic devices |
| 01/26/1994 | EP0386072B1 Method for determining the concentration of oxygen |
| 01/26/1994 | CN2154483Y Carbon monoxide detection inversion plate cabable for using repeately |
| 01/26/1994 | CN1081249A Optical measurement and apparatus for sharpness of cutting tool |
| 01/25/1994 | US5282151 Submicron diameter particle detection utilizing high density array |
| 01/25/1994 | US5282017 To measure the value of the directional spectral hemispherical reflectance |
| 01/25/1994 | US5281826 Video fluorescence monitor for determination of spill outlines |
| 01/25/1994 | US5281825 Phase fluorometry using a modulated electroluminescent lamp as a light source |
| 01/25/1994 | US5281817 Method of selecting an optical filter for a shutterless optically stabilized capnograph |
| 01/25/1994 | US5281816 Method and apparatus for detecting hydrocarbon vapors in a monitored area |
| 01/25/1994 | US5281815 Method of determining the humidity and temperature of atmospheric air |
| 01/25/1994 | US5281798 Method and system for selective removal of material coating from a substrate using a flashlamp |
| 01/25/1994 | US5281396 Automated test system for evaluating the physical compatibility of intravenous drugs in solutions |
| 01/25/1994 | US5281395 Test carrier analysis system |
| 01/25/1994 | CA1326556C Single molecule tracking |
| 01/25/1994 | CA1326523C Chopper wheel alignment device |
| 01/20/1994 | WO1994001968A1 Low light color imaging system with cooled integrating camera |
| 01/20/1994 | WO1994001809A1 Concentration detector for colored toner |
| 01/20/1994 | WO1994001771A1 Universal standard reagents, method of preparing same and use thereof |
| 01/20/1994 | WO1994001769A1 Determination and control of effective alkali in kraft liquors by ir spectroscopy |
| 01/20/1994 | WO1994001760A1 Method and device for kinetic-atomic spectrometric analysis of chemical elements |
| 01/20/1994 | WO1994001759A1 Video imaging plant management system |
| 01/20/1994 | WO1994001758A1 Method for preparing calibration curves |
| 01/20/1994 | WO1994001756A1 A method and an apparatus for detecting concentrations of first and second toner particles in a dispersion |
| 01/20/1994 | WO1994001749A2 Apparatus and methods for monitoring hematocrit levels of blood |
| 01/20/1994 | WO1994000976A1 Improved crop |
| 01/20/1994 | WO1993022657A3 Luminometer with reduced sample crosstalk |
| 01/20/1994 | DE4323277A1 Appts. for quantitative analysis of dissolved substances - is by chemical developed luminescence of immobilised enzyme treated body fluid, used e.g. for determn. of glucose or lactic acid levels in blood serum samples |
| 01/20/1994 | DE4318692A1 Test for blood serum samples containing antigens - is fully automatic with calibration of holes in gel plate with comparison against standard samples and mask adjustment |
| 01/20/1994 | DE4223629A1 Optical spectral shift detector change by spectral shift |
| 01/20/1994 | DE4223269A1 Identification of molecular compounds by absorption, scattering or fluorescence of liquids in returned drinks bottles - applying laser pulse to test container and separating into different spectral colours using bundle of optical fibres of different length before photomultiplier |
| 01/20/1994 | DE3546699C2 Photometer with cuvette cell |
| 01/20/1994 | CA2149537A1 Method for preparing calibration curves |
| 01/20/1994 | CA2139754A1 Low light color imaging system with cooled integrating camera |
| 01/19/1994 | EP0579085A2 Tubular furnace with sample carrier with positive location means for electrothermal atomisation |
| 01/19/1994 | EP0578975A1 Method and apparatus for predicting effect of yarn defects on the appearance of textiles or fabrics |
| 01/19/1994 | EP0578816A1 Method of inspecting articles |
| 01/19/1994 | EP0467986B1 Method of and apparatus for non-destructive composite laminate characterization |
| 01/19/1994 | EP0396163B1 Capillary flow cell |
| 01/19/1994 | CN2153798Y Urethral infection quick self-checking box |
| 01/18/1994 | US5280548 Emission based fiber optic sensors for pH and carbon dioxide analysis |
| 01/18/1994 | US5280334 Apparatus for measuring cross-sectional distribution of refractive index of optical waveguide by RNF method |
| 01/18/1994 | US5280333 Apparatus and a method for testing documents |
| 01/18/1994 | US5280273 Toxic gas detector system having convenient battery and sensor replacement |
| 01/18/1994 | US5280177 Sample cell for infrared spectrophotometry |
| 01/18/1994 | US5280172 For detecting a physical parameter or chemical substance |
| 01/18/1994 | US5280170 Machine for inspecting the shape of a container having a two dimensional camera for viewing the shadow of the projection of the container |
| 01/18/1994 | US5279967 Using fluorophore label |
| 01/18/1994 | US5279940 Containing 2,3-dihydro-1,4-phthalazinedione, cationic surfactant, and 4*-hydroxyacetanilide |
| 01/18/1994 | US5279793 Optical osmometer for chemical detection |
| 01/18/1994 | US5279297 Method and apparatus for oxygen mapping |
| 01/18/1994 | US5279295 Non-invasive oximeter arrangement |
| 01/18/1994 | US5279159 Measuring vessel |
| 01/18/1994 | US5279146 Method and apparatus for real time measurement of particulate matter in combustion gases |
| 01/18/1994 | CA1326277C Method for separating diamonds from associated gangue |
| 01/17/1994 | WO1994018546A1 Improved diffusion-type gas sample chamber |
| 01/12/1994 | EP0578630A1 Sensor membrane of an optical sensor for the determination of a physical or chemical parameter of a sample |
| 01/12/1994 | EP0578482A1 Apparatus for measuring cross-sectional distribution of refractive index of optical waveguide |
| 01/12/1994 | EP0578146A1 Method and device for testing of bottles for contamination |
| 01/12/1994 | EP0577835A1 Method and device for analyzing area |
| 01/12/1994 | EP0577822A1 Method and apparatus to detect coagulation. |
| 01/12/1994 | EP0577684A1 Method and apparatus for glucose concentration monitoring. |
| 01/12/1994 | EP0442921B1 Optical biosensor system |
| 01/12/1994 | EP0402419B1 Optical sensor for the detection of ice formation and other chemical species |
| 01/12/1994 | EP0398886B1 Method for quantitative analysis of core samples |
| 01/12/1994 | CN2153057Y Micro-flow colorimetric cell |
| 01/12/1994 | CN1080725A Cuvette for automated testing machine |
| 01/12/1994 | CN1080724A Microquantity oxygen air-phase colour spectrum flame ion testing device |
| 01/12/1994 | CN1080723A A method and system for sampling and determining the presence of contaminants in containers |
| 01/12/1994 | CN1080722A Testing method for nitrogen of nitrate |
| 01/11/1994 | US5278635 Surface defect detection apparatus |
| 01/11/1994 | US5278630 Absorbance detector |
| 01/11/1994 | US5278629 For directly analyzing liquid solutions for an atomic element |
| 01/11/1994 | US5278628 Apparatus for measuring cross-sectional distribution of refractive index of optical waveguide by RNF method |
| 01/11/1994 | US5278627 Apparatus for calibrating pulse oximeter |
| 01/11/1994 | US5278413 Infrared microscopic spectrometer |
| 01/11/1994 | US5278412 System for measuring the moisture content of powder and fiber optic probe therefor |
| 01/11/1994 | US5278411 Residual ink measurement |
| 01/11/1994 | US5278402 Real-scene dispersion sensor detecting two wavelengths and determining time delay |
| 01/11/1994 | US5278075 Testing for metal /or organophosphate/ on solid surface by providing swab stick carrying absorbent ball impregnated with reagent, contacting ball with surface, detecting metal by inspecting ball for reaction between metal and reagent; kit |
| 01/11/1994 | US5278074 Method of monitoring and controlling corrosion inhibitor dosage in aqueous systems |
| 01/11/1994 | US5278043 Ruthenium-lumazine energy transfer systems |
| 01/11/1994 | US5278012 Method for producing thin film multilayer substrate, and method and apparatus for detecting circuit conductor pattern of the substrate |
| 01/11/1994 | US5277928 Radiation detector connected to microprocessor |
| 01/11/1994 | US5277872 Isocyanatosilane primer covalently bonded to outer surface |
| 01/11/1994 | US5277871 Comprising suction, discharge nozzles for transfer mixture |
| 01/11/1994 | US5277870 A monitoring unit having potentiometer measuring blood-glucose-induced changes of test strips |
| 01/11/1994 | US5277747 Extraction of spatially varying dielectric function from ellipsometric data |
| 01/11/1994 | CA1326074C System and process for detecting properties of travelling sheets in the cross direction |
| 01/11/1994 | CA1325908C Modular fiber optic chemical sensor |
| 01/11/1994 | CA1325894C Fiber optic refractive index using a metal clad |
| 01/10/1994 | CA2100036A1 Process and arrangement for testing bottles for the presence of contamination |