| 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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| 06/22/1999 | CA2254690A1 Method and apparatus for detecting liquid and gas segment flow through a tube |
| 06/22/1999 | CA2121444C Method and apparatus for measuring pipeline corrosion |
| 06/22/1999 | CA2116265C Method and apparatus for determining the fiber orientation of paper |
| 06/17/1999 | WO1999030156A1 Optoelectronic sensor |
| 06/17/1999 | WO1999030137A1 Method and apparatus for measuring color and/or composition |
| 06/17/1999 | WO1999030136A1 Method and apparatus for measuring color and/or composition |
| 06/17/1999 | WO1999030135A1 Optical resonance analysis system |
| 06/17/1999 | WO1999030134A1 Multi-gas sensor |
| 06/17/1999 | WO1999030133A1 Discriminating ground vegetation in agriculture |
| 06/17/1999 | WO1999030132A1 Angle-of-rotation measuring instrument urine analysis method |
| 06/17/1999 | WO1999030130A2 Method for investigating or structuring a surface layer |
| 06/17/1999 | WO1999030122A1 Dynamic pressure sensor, photo acoustic gas detector, microphone, hydrophone and their manufacturing |
| 06/17/1999 | WO1999030119A1 Reflectance spectrophotometric apparatus with toroidal mirrors |
| 06/17/1999 | WO1999029442A1 Arrangement and method for sorting granules |
| 06/17/1999 | DE19854208A1 Visual control chamber with at least one strip lighting source for illuminating lacquered substrate surface |
| 06/17/1999 | DE19805853A1 Assembly for measuring refractive index of material |
| 06/17/1999 | DE19753790A1 Verfahren zur Untersuchung oder zum Strukturieren einer Oberflächenschicht Method for studying or for patterning a surface layer |
| 06/17/1999 | CA2313690A1 Method and apparatus for measuring color and/or composition |
| 06/17/1999 | CA2313387A1 Multi-gas sensor |
| 06/17/1999 | CA2313172A1 Discriminating ground vegetation in agriculture |
| 06/17/1999 | CA2312892A1 Reflectance spectrophotometric apparatus with toroidal mirrors |
| 06/17/1999 | CA2312709A1 Method and apparatus for measuring color and/or composition |
| 06/16/1999 | EP0922954A2 Method for recognizing the presence of sample fluid on a test strip by evaluating first and second derivatives |
| 06/16/1999 | EP0922953A1 Process for predicting the cold characteristics of gasoils |
| 06/16/1999 | EP0922908A1 Method and device for measuring the concentration of chemical species and the temperature in the combustion chamber of a thermal plant |
| 06/16/1999 | EP0922505A2 Method and device for automatically separating telephone cards according to specific materials |
| 06/16/1999 | EP0922214A1 Optical chemical / biochemical sensor |
| 06/16/1999 | EP0922198A1 Method and device for measuring the concentration of ions implanted in semiconductor materials |
| 06/16/1999 | EP0922197A1 Improved method and apparatus for measuring material properties using transient-grating spectroscopy |
| 06/16/1999 | EP0921952A1 Device for optically controlling by means of a camera a mark stamped on a workpiece by means of a type wheel |
| 06/16/1999 | EP0921857A1 Low background multi-well plates for fluorescence measurements of biological and biochemical samples |
| 06/16/1999 | EP0815430A4 Container flange inspection system using an annular lens |
| 06/16/1999 | EP0795124A4 Ultra-sensitive detection of contaminants in gas via intracavity laser spectroscopy (ils) |
| 06/16/1999 | EP0789837A4 Diode laser-pumped and linear cavity systems for gas detection via intracavity laser spectroscopy |
| 06/16/1999 | EP0766815A4 Ice and liquid detector |
| 06/16/1999 | EP0756704B1 Method of detecting the permeability of an object to oxygen |
| 06/16/1999 | EP0751884B1 Fastening and coupling of an optoelectronic sensor to a pane and structure of the sensor |
| 06/16/1999 | EP0534941B1 Optical interface means |
| 06/16/1999 | CN1220007A Process for analysis of medical samples containing haemoglobin |
| 06/16/1999 | CN1043685C Method and apparatus for isotopic analysis |
| 06/15/1999 | US5913234 Spectroscopic method and apparatus |
| 06/15/1999 | US5913103 Method of detecting metal contaminants in a wet chemical using enhanced semiconductor growth phenomena |
| 06/15/1999 | US5912776 Interior image receiving apparatus |
| 06/15/1999 | US5912741 Imaging scatterometer |
| 06/15/1999 | US5912740 For performing an absorption measurement |
| 06/15/1999 | US5912737 System for verifying the calibration of a turbidimeter |
| 06/15/1999 | US5912735 For imaging a surface of an object |
| 06/15/1999 | US5912732 Surface detecting apparatus |
| 06/15/1999 | US5912730 Spectrographic analysis instrument and method based on discontinuum theory |
| 06/15/1999 | US5912456 Integrally formed surface plasmon resonance sensor |
| 06/15/1999 | US5912179 Irradiating sample with several wavelengths, detecting spectrophotometrically radiation absorbed or scattered, determining ratio of absorbance at sample wavelength to absorbance at reference wavelength; diagnosis of tumors |
| 06/15/1999 | US5912165 Method for chromosome classification by decorrelaiton statistical analysis and hardware therefore |
| 06/15/1999 | US5912134 A cartridge for dilution of whole blood samples having many channels, capillaries, reservoirs and stop junctions to move samples, reagents and diluents through cartridge by low centrifugational force; diagnostic immunoassays for aids |
| 06/15/1999 | US5911953 Apparatus for detecting and analyzing adsorbates |
| 06/15/1999 | US5911952 For detecting small amounts of substances within living cells where fluorescence intensity attenuates over time after excitation; light is divided into two wavelength zones so that variations, with time, between zones can be measured |
| 06/15/1999 | US5911500 Used for close inspection of items |
| 06/15/1999 | US5911326 Tray for visual inspection of semiconductor wafer |
| 06/15/1999 | CA2099259C Apparatus for remote analysis of vehicle emissions |
| 06/10/1999 | WO1999029103A1 Solid state image pickup device and analyzer using it |
| 06/10/1999 | WO1999028856A1 Method of cancer cell detection |
| 06/10/1999 | WO1999028730A2 Process and device for producing a strip-like material avoiding repeated surface defects |
| 06/10/1999 | WO1999028729A1 Gas detection apparatus using a combined infrared source and high temperature bolometer |
| 06/10/1999 | WO1999028728A1 Apparatus and associated method for inspecting containers for bulges |
| 06/10/1999 | WO1999028436A1 System for analyzing images produced by bacterial reactions |
| 06/10/1999 | WO1999028038A1 Device and apparatus for conducting an assay |
| 06/10/1999 | WO1999027848A1 Multiplex sensor and method of use |
| 06/10/1999 | WO1999027844A1 Method and apparatus for illuminating and imaging eyes through eyeglasses using multiple sources of illumination |
| 06/10/1999 | DE19754549A1 Fault-testing of dull unfinished vehicle chassis provided with light-colored filler |
| 06/10/1999 | DE19754547A1 Determining the covering ability of lacquer |
| 06/10/1999 | DE19753672A1 Continuous, selective gas concentration measurement instrument |
| 06/10/1999 | DE19753348A1 Analysis apparatus for high-temperature plasma pulse |
| 06/10/1999 | CA2325006A1 Device and apparatus for conducting an assay |
| 06/10/1999 | CA2310468A1 Multiplex sensor and method of use |
| 06/10/1999 | CA2224349A1 Method of fluorescence analysis comprising evanescent wave excitation and out-of-plane photodetection |
| 06/09/1999 | EP0921390A1 Method for determining the concentration of a gas in a gas mixture and analysis apparatus for implementing such method |
| 06/09/1999 | EP0920831A1 Apparatus and method for imaging diseased tissue using integrated autofluorescence |
| 06/09/1999 | EP0920617A1 Process and device for error recognition in textile surface formations |
| 06/09/1999 | EP0920616A1 Device for visually inspecting the surface condition of large-dimension surfaces to be matched |
| 06/09/1999 | EP0920615A1 Resonance absorption spectrometer and process for measuring resonance absorption spectra for ions |
| 06/09/1999 | EP0920608A1 On-line quantitative analysis of chemical compositions by raman spectrometry |
| 06/09/1999 | EP0920537A1 Method for chromosomes classification |
| 06/09/1999 | EP0920277A1 Laser opto-acoustic imaging system |
| 06/09/1999 | EP0815434A4 Diffuse reflectance probe |
| 06/09/1999 | CN2323371Y Raman scattering optic probe using single channel receiving optic fibre for in-situ remote measurement |
| 06/09/1999 | CN2323370Y Liquid level type controllable timing injection device |
| 06/09/1999 | CN2323369Y Integrated optic spectrum analyzer assembly |
| 06/09/1999 | CN1219236A Method and device for determining characteristic parameters by polarised light |
| 06/09/1999 | CN1218903A Concentration detecting device and concentration detecting method for specific component |
| 06/09/1999 | CA2255255A1 Improved thrombin-based assay for antithrombin-iii |
| 06/08/1999 | US5911017 Fiber optic interface for laser spectroscopic Raman probes |
| 06/08/1999 | US5910844 Dynamic three dimensional vision inspection system |
| 06/08/1999 | US5910842 Focused beam spectroscopic ellipsometry method and system |
| 06/08/1999 | US5910841 Ellipsometer using an expanded beam |
| 06/08/1999 | US5910838 Method of determining concentrations by means of continuous-spectrum atomic absorption spectroscopy |
| 06/08/1999 | US5910663 Optical system and light emitting diode having a light dividing surface portion |
| 06/08/1999 | US5910661 Flourescence sensing device |
| 06/08/1999 | US5910660 Process and device for determining three-dimensional structure in the submicron range |
| 06/08/1999 | US5910449 Assessment of characteristics of fluids |
| 06/08/1999 | CA1340590C Chemiluminescence enhancement |
| 06/03/1999 | WO1999027371A1 Ion detector consisting of particles with target and indicator ionophores distributed therein |