| 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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| 04/12/1989 | EP0311014A2 Arrangement for the optical inspection of surfaces |
| 04/12/1989 | EP0310740A2 Apparatus for measuring components in flowing liquids |
| 04/12/1989 | EP0172405B1 Circuitry for a portable test strip reading instrument |
| 04/12/1989 | EP0128183B1 Inspection apparatus and method |
| 04/12/1989 | CN2035887U Mercury measuring auxiliary for gold collecting |
| 04/12/1989 | CN1032306A Method and apparatus for material processing with the aid of laser |
| 04/11/1989 | US4821080 Measuring apparatus for enzyme reaction rates |
| 04/11/1989 | US4820932 Method of and apparatus for electrooptical inspection of articles |
| 04/11/1989 | US4820649 Method and kit having layered device for detecting biological component by interference color |
| 04/11/1989 | US4820647 Binding with hydrophobic ionophore, measuring change in light absorbance |
| 04/11/1989 | US4820637 Detection of fungi and/or algae with stilbene having at least 4 sulpho groups |
| 04/11/1989 | US4820632 Agent and process for the detection of redox systems |
| 04/11/1989 | US4820491 Color change |
| 04/11/1989 | US4820490 Device and method for chemical analysis of fluids with a reagent coated light source |
| 04/11/1989 | US4820344 Solution of corrosion and metal inhibitors, aliphatic carboxylic acids, polyglycerols, alcohols, surfactant for smoothening car bodies |
| 04/11/1989 | US4820047 Laser heterodyne apparatus for measuring optical power |
| 04/11/1989 | US4820046 Spectroscope apparatus and reaction apparatus using the same |
| 04/11/1989 | US4820045 Equipment for the emission and distribution of light by optical fibers, particularly for in-line spectrophotometric control with the aid of a double beam spectrophotometer |
| 04/11/1989 | CA1252539A1 Defect inspection apparatus for bottles made of transparent material |
| 04/11/1989 | CA1252373A1 Chemiluminescent methods and kit |
| 04/11/1989 | CA1252306A1 Calibration method and apparatus for optical-response tissue-examination instrument |
| 04/06/1989 | WO1989003118A1 Dark signal compensation for diode arrays |
| 04/06/1989 | WO1989003055A1 Metal clad fibre optic polarizer |
| 04/06/1989 | WO1989003036A1 Titrating apparatus and method |
| 04/06/1989 | WO1989003029A1 Dual sample cell gas analyzer |
| 04/06/1989 | WO1989003028A1 Gas detection method and apparatus |
| 04/06/1989 | WO1989002718A1 Catheter system for imaging |
| 04/06/1989 | DE3824109A1 Analysenverfahren zur bestimmung einer nachweissubstanz sowie eine vorrichtung zur durchfuehrung dieses verfahrens Analytical method for the determination of a proof of substance as well as a device for implementing said method |
| 04/05/1989 | EP0310149A1 Spectroscopic analysis of organometallic compound |
| 04/05/1989 | EP0309758A2 Procedure and facility for determination and evaluation of surface cracks on workpieces |
| 04/05/1989 | EP0309666A1 Method and device for monitoring respiration |
| 04/05/1989 | CN2035478U Photoelectric sensor for concentration |
| 04/05/1989 | CN1003798B Optical thread breakage monitor for tufting machine |
| 04/04/1989 | US4819167 System and method for detecting the center of an integrated circuit wafer |
| 04/04/1989 | US4818883 Luminometer apparatus |
| 04/04/1989 | US4818882 Photoacoustic gas analyzer |
| 04/04/1989 | US4818861 Film image reading out device |
| 04/04/1989 | US4818710 Method for optically ascertaining parameters of species in a liquid analyte |
| 04/04/1989 | US4818705 Radiation |
| 04/04/1989 | US4818110 Method and apparatus of using a two beam interference microscope for inspection of integrated circuits and the like |
| 04/04/1989 | US4818106 Spectral analysis device on a converter |
| 04/04/1989 | US4818105 Burner for flame photometric detector |
| 04/04/1989 | US4817449 Device for moving samples in a controlled atmosphere enclosure |
| 04/04/1989 | US4817424 Strip inspecting apparatus and associated method |
| 04/04/1989 | US4817413 Method of using an opto-acoustic apparatus for measuring concentration of gas |
| 04/04/1989 | CA1252172A1 Smoke detection apparatus |
| 04/04/1989 | CA1252126A1 Automated handling system |
| 03/30/1989 | DE3831561A1 Method for the quantification of a cell vital staining with the aid of spectrophotometry |
| 03/29/1989 | EP0309230A2 Homogeneous protection assay |
| 03/29/1989 | EP0309214A2 Fiber optical probe connector for physiologic measurement devices |
| 03/29/1989 | EP0309118A2 Apparatus for and method of viewing surfaces |
| 03/29/1989 | EP0308991A1 Measuring cell for a photometer capable of resisting high pressures and temperatures |
| 03/29/1989 | EP0308770A2 Reagent strip handling mechanism |
| 03/29/1989 | EP0308741A2 Procedure of controlling the dispersivity of magnetic pigments in a dispersion |
| 03/29/1989 | EP0308670A1 Simultaneous assay for calcium and phosphorus |
| 03/29/1989 | EP0308473A1 Infrared immunological dosing |
| 03/29/1989 | CN2035084U Chlorine remainder colorimeter |
| 03/29/1989 | CN2035083U Optical chemi-reduction reactor for the ferric component measurement |
| 03/29/1989 | CN1032078A Preparation method of reagent for testing iodine contained in salt |
| 03/28/1989 | US4817101 Heterodyne laser spectroscopy system |
| 03/28/1989 | US4817013 Multichannel gas analyzer and method of use |
| 03/28/1989 | US4816687 Method and apparatus for measurement of the fluorescence relaxation period of a fluorescent substance |
| 03/28/1989 | US4816670 Optical measuring head |
| 03/28/1989 | US4815858 Measuring diffuse reflectance of radiation by a sample |
| 03/28/1989 | US4815848 Device for the individual adjustment of the intensity of several spectral lamps |
| 03/28/1989 | US4815847 Process and device for the generation of a linearly dependent measurement signal |
| 03/28/1989 | US4815844 Device for testing components of transparent material for surface irregularities and occlusions |
| 03/28/1989 | US4815843 Optical sensor for selective detection of substances and/or for the detection of refractive index changes in gaseous, liquid, solid and porous samples |
| 03/28/1989 | US4815842 Spectrograph for evaluating contamination of optical components in space |
| 03/23/1989 | WO1989002590A1 Enhanced system for transmission loss comparison |
| 03/23/1989 | WO1989002574A1 Method and device for inspection of spherical metal balls |
| 03/23/1989 | WO1989002572A1 Method and apparatus for measuring refractive index and film thickness |
| 03/23/1989 | WO1989002476A1 Homogeneous protection assay |
| 03/22/1989 | EP0307940A1 Non-destructive optical trap for biological particles and method of doing same |
| 03/22/1989 | EP0307625A2 Optical gas analyzer |
| 03/22/1989 | EP0307451A1 Apparatus and method for locating the direction of an atomic beam. |
| 03/21/1989 | US4814621 Lead detection by variable pressure lead-contacting optical interposers |
| 03/21/1989 | US4814614 Method for characterizing oil-bearing inclusions via fluorescence microspectrophotometry |
| 03/21/1989 | US4814604 Opto-electronic method and system for remote detection of physical magnitudes |
| 03/21/1989 | US4814596 Detection of surface particles by dual semiconductor lasers having stable illumination intensities |
| 03/21/1989 | US4814279 Incubator for chemical-analytical slide |
| 03/21/1989 | US4814144 Centrifugal analyzer rotor unit and insert elements |
| 03/21/1989 | US4813783 Interferometer system for making length or angle measurements |
| 03/21/1989 | US4813588 Optical video system for viewing two surfaces |
| 03/21/1989 | US4813420 Hemolysis reaction measuring device |
| 03/21/1989 | CA1251383A1 Analytical compositions, elements and methods utilizing reduction of ferric ion chelates to form detectable dyes |
| 03/21/1989 | CA1251342A1 Cleaved-coupled-cavity-laser-driven system for measuring small signals |
| 03/15/1989 | EP0307096A2 Growth rate monitor for molecular beam epitaxy |
| 03/15/1989 | EP0307082A2 Method of measuring multicomponent constituency of gas emission flow |
| 03/15/1989 | EP0306803A2 Test composition device and method for the visual determination of hydrogen peroxide |
| 03/15/1989 | EP0306802A1 Chiral crown ethers |
| 03/15/1989 | EP0306742A2 Method for automatically detecting faults in moving textile webs |
| 03/15/1989 | CN1031762A Method of analysis of impurity element in gallium |
| 03/14/1989 | US4812665 Method and apparatus for measuring of humidity |
| 03/14/1989 | US4812664 For use in vacuum equipment |
| 03/14/1989 | US4812411 Bacteria identification |
| 03/14/1989 | US4812393 Analytical determination of microorganisms |
| 03/14/1989 | US4812392 Replacing culture medium with deviating ph value |
| 03/14/1989 | US4812041 Spectrometer system having pivotally mounted internal reflectance element |
| 03/14/1989 | US4812040 Analytical method |