| 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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| 08/05/1987 | EP0230441A1 Methods and devices for measuring the ratio of incondensables in a gas mixture. |
| 08/05/1987 | CN86206685U Instantaneous smokometer |
| 08/04/1987 | US4685139 Inspecting device for print |
| 08/04/1987 | US4685059 Method and apparatus for measuring body fluid constituents and storing and managing the test data and method of controlling and processing the test data |
| 08/04/1987 | US4685018 Arc detector for gas insulated electrical apparatus |
| 08/04/1987 | US4684883 Method of manufacturing high-quality semiconductor light-emitting devices |
| 08/04/1987 | US4684805 Method and apparatus for measuring stable isotopes |
| 08/04/1987 | US4684258 Method and apparatus for enhancing laser absorption sensitivity |
| 08/04/1987 | US4684256 Apparatus and method for continuously measuring polarizing property |
| 08/04/1987 | US4684252 Automated analyzing apparatus |
| 08/04/1987 | US4684251 Spectrometer |
| 08/04/1987 | US4684250 Set of cuvettes |
| 08/04/1987 | US4684245 Electro-optical coupler for catheter oximeter |
| 08/04/1987 | US4684244 Method of scanning optical density patterns |
| 08/04/1987 | CA1224944A1 Infrared fluid analyzer |
| 07/30/1987 | WO1987004523A1 Binding assay and assay reagent |
| 07/30/1987 | WO1987004521A1 Method and apparatus for monitoring deflocculated particles in suspension |
| 07/30/1987 | WO1987004518A1 Frequency agile spectrometer |
| 07/30/1987 | DE3702210A1 Method of determining the concentration of components, in particular oxygen, contained in a substance |
| 07/30/1987 | DE3602395A1 Self-checking of an optoelectronic crack detection device |
| 07/30/1987 | DE3602139A1 Device for the alternating deflection of beams |
| 07/30/1987 | DE3600578C1 Device for scanning a flat boundary surface of an object |
| 07/29/1987 | EP0230365A2 Method and apparatus for sensing or determining one or more properties or the identity of a sample |
| 07/29/1987 | EP0230285A2 Method and device for detecting defects of patterns in microelectronic devices |
| 07/29/1987 | EP0230012A2 Method for determining whether a metallic article having a metallic coating thereon will exhibit low hydrogen embrittlement characteristics |
| 07/29/1987 | EP0229982A2 Test device and method of determining concentration of a sample component |
| 07/29/1987 | EP0229943A2 Fluorescent stokes shift probes for polynucleotide hybridization assays |
| 07/29/1987 | EP0229815A1 A device for measuring the light scattering of biological cells in flow cytophotometers. |
| 07/29/1987 | EP0229790A1 Apparatus for measuring atomic spektra. |
| 07/29/1987 | EP0229773A1 Method for the optoelectronic inspection of bottles. |
| 07/28/1987 | US4683579 Method and apparatus for measuring blood constituent counts |
| 07/28/1987 | US4683420 Acousto-optic system for testing high speed circuits |
| 07/28/1987 | US4682897 Light scattering measuring apparatus |
| 07/28/1987 | US4682895 Fiber optic probe for quantification of colorimetric reactions |
| 07/28/1987 | US4682891 Microcircle system |
| 07/28/1987 | US4682890 Microsample holder and carrier therefor |
| 07/28/1987 | US4682889 Refractometer for measuring the refractive index of a liquid |
| 07/28/1987 | US4682887 Optical assay for stored human platelets |
| 07/28/1987 | US4682397 High temperature pressure vessel inspection procedure |
| 07/28/1987 | CA1224820A1 Optical window with vacuum film holder |
| 07/28/1987 | CA1224643A1 Infrared radiation gauge for measuring percent moisture in paper |
| 07/28/1987 | CA1224642A1 Probe monitoring system for oximeter |
| 07/28/1987 | CA1224641A1 Device for stimulation of photoluminescence and the observation and analysis of the same |
| 07/28/1987 | CA1224640A1 Apparatus for determining the diffuse reflectivity of a sample surface of small dimensions |
| 07/23/1987 | DE3601443A1 Device for guiding and optically scanning flat objects |
| 07/23/1987 | DE3601442A1 Device for optically scanning objects |
| 07/22/1987 | EP0229603A1 Method for measuring the surface roughness of a cold-laminated product |
| 07/22/1987 | EP0229602A1 Reflectometric method of measurement and apparatus for realizing the method |
| 07/22/1987 | EP0229517A1 Drug abuse test paper and methods |
| 07/22/1987 | EP0229355A2 Apparatus and method for carrying out photometric assays |
| 07/22/1987 | EP0229153A1 Heat sealing method and apparatus. |
| 07/22/1987 | EP0229109A1 Cuvette belt manufacturing apparatus and process |
| 07/22/1987 | EP0229085A1 Support used in bioluminescent dosing of enzymes, substrates or enzymatic inhibitors. |
| 07/22/1987 | CN86207376U Decanting-type capillary colorimetric cup |
| 07/22/1987 | CN86203961U Multiamplitude dynamic holographic photo elastic instrument |
| 07/22/1987 | CN86108623A Atomic absorption spectrum analysing arrangement |
| 07/21/1987 | US4682220 Apparatus for detecting containers having a deviating property |
| 07/21/1987 | US4682041 Coating quality measuring device and method |
| 07/21/1987 | US4682040 Image pickup apparatus for a printed wiring board |
| 07/21/1987 | US4682031 Diezo electrically effection foil of polyvinylidene fluoride |
| 07/21/1987 | US4682023 Bottle sidewall defect detector employing masking means |
| 07/21/1987 | US4681855 Humidity sensing and measurement employing halogenated organic polymer membranes |
| 07/21/1987 | US4681601 Bubble injection dissolved gas measurement method and apparatus |
| 07/21/1987 | US4681530 Gas control device for controlling the fuel gas and oxidizing agent supply to a burner in an atomic absorption spectrometer |
| 07/21/1987 | US4681454 Device for detecting differences in color |
| 07/21/1987 | US4681453 Optoelectronic comparison apparatus for structures on plane surfaces or for planar structures |
| 07/21/1987 | US4681450 Photodetector arrangement for measuring the state of polarization of light |
| 07/21/1987 | US4681443 Optical detector cell |
| 07/21/1987 | US4681442 Method for surface testing |
| 07/21/1987 | US4681437 Laser schlieren crystal monitor |
| 07/21/1987 | US4680827 Vacuum cleaner |
| 07/16/1987 | WO1987004248A1 Device for detecting the beginning of a tear on a sheet during its manufacture |
| 07/16/1987 | WO1987004247A1 Evanescent wave background fluorescence/absorbance detection |
| 07/16/1987 | WO1987004240A1 Infrared gas analyzer with automatic zero adjustment |
| 07/16/1987 | DE3624380C1 Optical autocollination measuring instrument |
| 07/15/1987 | EP0228963A2 Linescan inspection system for circuit boards |
| 07/15/1987 | EP0228877A2 Comparative colorimeter |
| 07/15/1987 | EP0228855A2 Surface-derivatized semiconductors with chemically sensitive luminescence |
| 07/15/1987 | EP0228716A2 Apparatus for measuring fluorescence of solid |
| 07/15/1987 | EP0228454A1 Compositions and methods for printed circuit board and/or printed wiring board cleaning and soldermask testing. |
| 07/15/1987 | EP0228441A1 Inspection apparatus |
| 07/15/1987 | CN86104216A Inspection of container finish |
| 07/14/1987 | US4680627 Apparatus for checking patterns on printed circuit boards |
| 07/14/1987 | US4680576 Photoelectric smoke detector and alarm system |
| 07/14/1987 | US4680463 For defects |
| 07/14/1987 | US4680462 Fluid drop detection system |
| 07/14/1987 | US4680275 Homogeneous fluorescence immunoassay using a light absorbing material |
| 07/14/1987 | US4680271 Process and apparatus for analysis |
| 07/14/1987 | US4680164 Centrifugal analyzer |
| 07/14/1987 | US4679946 Evaluating both thickness and compositional variables in a thin film sample |
| 07/14/1987 | US4679939 In situ small particle diagnostics |
| 07/14/1987 | US4679938 Defect detection in films on ceramic substrates |
| 07/14/1987 | US4679936 Process and apparatus for measuring optical density changes and transit times in transparent materials |
| 07/14/1987 | US4679933 Device for birefringence measurements using three selected sheets of scattered light (isodyne selector, isodyne collector, isodyne collimator) |
| 07/14/1987 | CA1224256A1 Apparatus for the inspection of sheets of material |
| 07/14/1987 | CA1224062A1 Device for judging the quality of precious stones |
| 07/14/1987 | CA1224061A1 Device for the evaluation of a flat test carrier |
| 07/09/1987 | DE3600115A1 Method for the intensified reproduction of the yellow cast of diamonds |
| 07/08/1987 | EP0228285A1 Test elements |
| 07/08/1987 | EP0228120A2 Improved coupling between entraining hub and multi-cuvette rotor for analytical apparatus |