| 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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| 01/07/1999 | WO1999000661A1 Method and apparatus for inspecting a workpiece |
| 01/07/1999 | WO1999000660A1 Methods of differentiating metastatic and non-metastatic tumors |
| 01/07/1999 | WO1999000659A1 Micromachined opto-thermal gas sensor |
| 01/07/1999 | WO1999000641A1 Improved method and apparatus for measuring the concentration of ions implanted in semiconductor materials |
| 01/07/1999 | WO1999000640A1 Method and device for measuring the concentration of ions implanted in semiconductor materials |
| 01/07/1999 | WO1999000639A1 Improved method and apparatus for measuring material properties using transient-grating spectroscopy |
| 01/07/1999 | EP0889334A1 Sensor device based on retroreflection of a laser beam |
| 01/07/1999 | EP0889320A2 Procedure and device for scanning of preferably textile web |
| 01/07/1999 | EP0889319A1 Methods and divices for the determination of the concentration of a gas in a liquid drop containing gas mixture and their uses |
| 01/07/1999 | EP0889306A1 Device for projecting a defined light beam onto a photosensitive area |
| 01/07/1999 | EP0888539A1 Fluorescent-tagged polymers for boiler internal treatment |
| 01/07/1999 | EP0888534A1 System for the quantitative resolved evaluation of test elements |
| 01/07/1999 | EP0888533A1 Peptidyl fluorescent chemosensor for divalent zinc |
| 01/07/1999 | EP0888532A1 Passive infrared analysis gas sensors and applicable multichannel detector assemblies |
| 01/07/1999 | EP0888528A1 Infrared emitter and methods for fabricating the same |
| 01/07/1999 | EP0888460A1 Methods of screening for a tumor or tumor progression to the metastatic state |
| 01/07/1999 | EP0811155B1 Process for determining the surface state of highways in particular, and device for carrying out this process |
| 01/07/1999 | EP0789835A4 Method and apparatus for preparing substances for optical analysis |
| 01/07/1999 | EP0724718B1 Apparatus for measuring characteristics of a liquid |
| 01/07/1999 | EP0645007B1 Sensor for optical assay |
| 01/07/1999 | DE19728725A1 Method of measuring the degree of fouling of motor vehicles |
| 01/07/1999 | DE19728144A1 Verfahren und Vorrichtung zum Erzeugen von Testpattern Method and apparatus for generating test pattern |
| 01/07/1999 | DE19727123A1 Device for contactless measurement of surface, especially human skin or skin replica |
| 01/07/1999 | DE19726696A1 Verfahren zur Fokussierung bei der Abbildung strukturierter Oberflächen von scheibenförmigen Objekten Method for focusing on the figure of structured surfaces of disc-shaped objects |
| 01/07/1999 | DE19726455A1 Laser arrangement for determining concentration of gases |
| 01/07/1999 | CA2294242A1 Methods of differentiating metastatic and non-metastatic tumors |
| 01/07/1999 | CA2284836A1 Micromachined opto-thermal gas sensor |
| 01/06/1999 | CN2303293Y Apparatus for analysing gas concentration |
| 01/06/1999 | CN1204055A Method for measuring emulsion saponification value and miscella content |
| 01/06/1999 | CN1204053A Atomic absorption photometer |
| 01/06/1999 | CN1041561C Installation for quality control of printed sheets, especially security paper |
| 01/05/1999 | US5856873 Ellipso sensor using a prism |
| 01/05/1999 | US5856871 Film thickness mapping using interferometric spectral imaging |
| 01/05/1999 | US5856869 Distributed bragg reflector diode laser for Raman excitation and method for use |
| 01/05/1999 | US5856868 Foreign substance inspecting apparatus and method thereof |
| 01/05/1999 | US5856665 Arc lamp stabilization and intensity control for imaging microscopy |
| 01/05/1999 | US5856203 Sensor device for sandwich assay |
| 01/05/1999 | US5856199 Colorimetric dry reagent test device and method for the determination of analytes in solutions containing interfering colored substances |
| 01/05/1999 | US5856175 Device for detecting microorganisms |
| 01/05/1999 | US5855848 Centrifuge apparatus for carrying out immunohaemtological analysis of blood and other biological liquids |
| 01/05/1999 | US5855205 Device for and method of carrying out optical measurements in turbid media |
| 01/05/1999 | CA2187691C Fibre optic sensor for sensing particle movement in a catalytic reactor |
| 01/05/1999 | CA2109884C Method of detecting impurities in molten resin |
| 12/30/1998 | WO1998059236A1 Method and installation for inspecting an article for defects |
| 12/30/1998 | WO1998059235A1 Method for focusing during imaging of structured surfaces of disc-shaped objects |
| 12/30/1998 | WO1998059234A1 Method and apparatus for detection of a controlled substance |
| 12/30/1998 | WO1998059233A1 Interlaced lasers for multiple fluorescence measurement |
| 12/30/1998 | WO1998059232A1 Device for carrying out atomic absorption spectroscopies |
| 12/30/1998 | WO1998059231A1 Means and method for measuring absorption of radiation-scattering samples |
| 12/30/1998 | WO1998059225A1 Dispersive atomic vapor raman filter |
| 12/30/1998 | WO1998059213A1 Pattern inspecting method and pattern inspecting device |
| 12/30/1998 | EP0887852A2 Improved silica stain test structures and methods therefor |
| 12/30/1998 | EP0887644A1 Method for detecting acid- and base-extractable markers |
| 12/30/1998 | EP0887638A1 Product integrity verification apparatus |
| 12/30/1998 | EP0887621A1 Method and device for measuring defect of crystal on crystal surface |
| 12/30/1998 | EP0887353A2 Luminescence indicator |
| 12/30/1998 | EP0886796A1 Method and apparatus for improved fiber optic light management |
| 12/30/1998 | EP0886772A1 Analysis system |
| 12/30/1998 | EP0886767A1 Calibration method |
| 12/30/1998 | EP0886544A1 Device for analysing biological and medical specimens |
| 12/30/1998 | EP0886532A1 Ventilatory system with additional gas administrator |
| 12/30/1998 | EP0827466B1 Device for operating a windscreen wiper |
| 12/30/1998 | EP0806020B1 Colour detection apparatus |
| 12/30/1998 | EP0738405A4 Self-calibration of an ndir gas sensor |
| 12/30/1998 | EP0702524A4 Probe for monitoring a fluid medium |
| 12/30/1998 | EP0692948A4 Probe for monitoring a fluid medium |
| 12/30/1998 | EP0603272B1 Apparatus for monitoring liquids |
| 12/30/1998 | CN2302515Y Gasoline label fast-detecting instrument |
| 12/30/1998 | CN2302514Y Glass refractivity measuring instrument |
| 12/30/1998 | CN1203382A All wavelength surface plasma excimer resonance photochemical sensor |
| 12/29/1998 | US5854863 Surface treatment and light injection method and apparatus |
| 12/29/1998 | US5854685 Holographic gas analyzer utilizing holographic optics |
| 12/29/1998 | US5854684 Massively parallel detection |
| 12/29/1998 | US5854683 Optical web defect detection system |
| 12/29/1998 | US5854682 Method and apparatus for surface pressure mapping of rotating objects by synchronized optical imaging of luminescent coating |
| 12/29/1998 | US5854681 Device and method measuring optically the characteristics of a substance |
| 12/29/1998 | US5854676 Method and device for continuous analysis of the composition of a gaseous atmosphere containing particles of material in suspension |
| 12/29/1998 | US5854487 Scanning probe microscope providing unobstructed top down and bottom up views |
| 12/29/1998 | US5854078 Polymerized crystalline colloidal array sensor methods |
| 12/29/1998 | US5854063 Method and apparatus for spectrophotometric observation of plants |
| 12/29/1998 | US5853974 Enhancement of alkaline phosphatase with SDS in chemiluminescent substrates |
| 12/29/1998 | US5853925 Lateral diffusion confirming pattern and a method of measuring a lateral diffusion |
| 12/29/1998 | US5853668 Apparatus allowing sequential chemical reactions |
| 12/29/1998 | US5853667 Test sample positioning system |
| 12/29/1998 | US5853386 Infusion device with disposable elements |
| 12/29/1998 | CA2048991C Fibre optical ice detector |
| 12/29/1998 | CA2018004C Detection apparatus for paper build up on reel bar |
| 12/24/1998 | DE19823073A1 Method for polarisation of fluorescence immunological analysis |
| 12/24/1998 | DE19726023A1 Infrared spectroscopic process for building materials, e.g. clay |
| 12/24/1998 | DE19725535A1 Crystal orientation detection for single-crystal surface |
| 12/24/1998 | CA2238809A1 Product integrity verification apparatus |
| 12/23/1998 | WO1998058285A1 Integrated optical waveguide system |
| 12/23/1998 | WO1998058252A1 An apparatus for measuring the fluorescence in a medium or a substance |
| 12/23/1998 | WO1998058242A1 Method and device for analyzing surface structure |
| 12/23/1998 | WO1998058241A1 Device for checking sheet packaging |
| 12/23/1998 | WO1998058079A1 Nucleic acid biosensor diagnostics |
| 12/23/1998 | WO1998057748A1 Specimen illumination apparatus with optical cavity for dark field illumination and methods of use |
| 12/23/1998 | WO1998044330A3 Optical inspection module and method for detecting particles and defects on substrates in integrated process tools |
| 12/23/1998 | EP0886184A2 Vacuum assisted debris removal system |
| 12/23/1998 | EP0886136A1 Fluorimeter with intensity-staged excitation light and detection method |