| 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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| 04/14/1988 | DE3705876A1 Process and apparatus for flow cytometry | 
| 04/14/1988 | DE3633916A1 Method of selectively measuring the concentration of those gaseous and/or liquid substances in gases and/or liquids which absorb radiation ranging from IR to UV, and device for carrying out the method | 
| 04/13/1988 | EP0263805A2 Sensor element for ascertaining the concentrations of substances | 
| 04/13/1988 | EP0263765A1 Device for transforming a signal by stabilization and increasing the dynamic of said signal | 
| 04/13/1988 | EP0263743A1 Device and method for measuring the third-order non-linear optical characteristics in an isotropic phase | 
| 04/13/1988 | EP0263693A2 Micro sensor | 
| 04/13/1988 | EP0263692A2 Gas sensor | 
| 04/13/1988 | EP0263657A2 Polysubstituted aryl acridinium esters | 
| 04/13/1988 | EP0263621A2 Method of and apparatus for real-time crystallographic axis orientation determination | 
| 04/13/1988 | EP0263618A2 Inspection apparatus | 
| 04/13/1988 | EP0263473A2 Apparatus for inspecting packaged electronic device | 
| 04/13/1988 | EP0263217A1 System for identifying overheated components of moving railway vehicles | 
| 04/13/1988 | CN85104352B Method and device for analysing surface components of various metals | 
| 04/12/1988 | US4737920 Method and apparatus for correcting rotational errors during inspection of reticles and masks | 
| 04/12/1988 | US4737846 Device for detecting defects in single faced corrugated fiberboards | 
| 04/12/1988 | US4737652 Method for the periodic determination of a quantity to be measured, using a reference signal | 
| 04/12/1988 | US4737651 Optical apparatus for the measurement of coat weight of coated products | 
| 04/12/1988 | US4737650 Inspection apparatus | 
| 04/12/1988 | US4737628 Method and system for controlled and selective removal of material | 
| 04/12/1988 | US4737464 Solid-state optical assay imaging apparatus | 
| 04/12/1988 | US4737343 Optical fiber, light source and bubble forming means | 
| 04/12/1988 | US4737035 Method of and apparatus for measuring dampening water for printing machine | 
| 04/12/1988 | US4737027 Optical fiber measuring apparatus | 
| 04/12/1988 | US4737025 Flow chamber device for flow cytometers | 
| 04/12/1988 | US4736851 Process and apparatus for the automatic inspection by transparency contrast in particular of containers | 
| 04/12/1988 | US4736590 Apparatus and method for continuously monitoring non-condensable gases in a flow of mixed gases | 
| 04/07/1988 | WO1988002489A1 Method of determining a biological substance involving labelling with a metal chelate | 
| 04/07/1988 | WO1988002485A1 A moisture indicator | 
| 04/07/1988 | WO1988000696A3 Chemodetector and its use | 
| 04/07/1988 | DE3733200A1 Method for the rapid determination of ternary solution compositions | 
| 04/06/1988 | EP0263037A2 Multi-decay-time fluorescence imaging apparatus and method of resolving spatial relation with same | 
| 04/06/1988 | EP0263031A2 Inductively coupled air-plasma apparatus for the spectrometric analysis of elements | 
| 04/06/1988 | EP0262779A1 Method and apparatus for the automatic calibration of signals employed in oximetry | 
| 04/06/1988 | EP0262497A1 Analysis device | 
| 04/06/1988 | EP0262140A1 Method and apparatus for determining parameters of gaseous substances. | 
| 04/06/1988 | EP0262138A1 Method for measuring the fibre and filler concentration in the wet end of a paper machine and a control system using the method | 
| 04/06/1988 | CN87107037A Method for eliminating the interference from optical radiation of graphite furnace | 
| 04/06/1988 | CN87102712A Orientation by laser for natural diamond | 
| 04/05/1988 | US4736103 Spectrometer test gas chamber | 
| 04/05/1988 | US4735907 Stabilized fluorescent rare earth labels and labeled physiologically reactive species | 
| 04/05/1988 | US4735504 Method and apparatus for determining the volume & index of refraction of particles | 
| 04/05/1988 | US4735502 Reusable plastic cuvette array | 
| 04/05/1988 | US4735501 Method and apparatus for fluid propelled borescopes | 
| 04/05/1988 | US4735323 Outer appearance quality inspection system | 
| 04/05/1988 | CA1234908A1 Method and apparatus for real-time high-speed inspection of objects for identifying defects | 
| 03/31/1988 | DE3632400A1 Method and device for characterising condensable impurities on a surface | 
| 03/30/1988 | EP0261868A2 Method for particle analysis | 
| 03/30/1988 | EP0261840A2 Detecting unwanted materials among cullet | 
| 03/30/1988 | EP0261788A1 Multiple-pulse method and apparatus for use in oximetry | 
| 03/30/1988 | EP0261787A1 Method and apparatus for indicating perfusion and oxygen saturation trends in oximetry | 
| 03/30/1988 | EP0261719A2 Thermochemiluminescent cyclodextrin complexes | 
| 03/30/1988 | EP0261642A2 Method for detecting a component of a biological system and detection device and a kit therefor | 
| 03/30/1988 | EP0261531A1 Analysis device | 
| 03/30/1988 | EP0261452A2 Gas analyzer | 
| 03/30/1988 | EP0261208A1 Ambient sensing transcucer devices with isolation | 
| 03/30/1988 | EP0261202A1 Automated multi-purposse analytical chemistry processing center and laboratory work station | 
| 03/30/1988 | EP0261141A1 Automatic printed circuit board imaging system | 
| 03/30/1988 | EP0224571A4 Method and apparatus for determining oxygen saturation in vivo. | 
| 03/30/1988 | CN87212066U High-speed liquid density meter | 
| 03/30/1988 | CN87106303A Methods of discriminating between contaminated and uncontaminated containers | 
| 03/29/1988 | US4734923 Lithographic system mask inspection device | 
| 03/29/1988 | US4734584 Quantitative near-infrared measurement instrument for multiple measurements in both reflectance and transmission modes | 
| 03/29/1988 | US4734360 Human body fluids; alcohol oxidase, mannitol, buffer and peroxidase substance | 
| 03/29/1988 | US4734260 Cuvette | 
| 03/29/1988 | US4733967 Apparatus for the measurement of the refractive index of a gas | 
| 03/29/1988 | US4733965 Automated system for spectro-photometric analysis of liquids | 
| 03/29/1988 | US4733684 Means and method for testing the homogeneity of a solution | 
| 03/29/1988 | CA1234610A1 Method and apparatus for detecting inferior container | 
| 03/29/1988 | CA1234502A1 Method for analysis of a sample of a substance by means of photoacoustic or optothermal spectroscopy and a sample carrier for performing of the method | 
| 03/24/1988 | WO1988002118A1 Laser magnetic immunoassay method and apparatus therefor | 
| 03/24/1988 | WO1988002109A1 System for sensing ions in aqueous solution | 
| 03/23/1988 | EP0260942A2 Measuring apparatus for amylose and/or amylopectin content in rice | 
| 03/23/1988 | EP0260522A2 Method and apparatus for scanning a laser beam to examine the surface of semiconductor wafer | 
| 03/23/1988 | EP0260414A2 Method of differential assay for alpha-amylase isozymes and a kit for the same | 
| 03/23/1988 | EP0260252A1 A device for following the product concentration of products having milk as raw material or fluids containing said products | 
| 03/23/1988 | CN87203483U Intelligent remote sense type photo-electric smoke measurer | 
| 03/23/1988 | CN87106256A Minimun procedure system for determination of analytes | 
| 03/22/1988 | US4733130 Insulating tube surrouding anode tube in analytical glow discharge tube | 
| 03/22/1988 | US4733084 Method of detection and quantitative determination of sulfur and sulfur monitor using the method | 
| 03/22/1988 | US4733080 Textile structure measurment | 
| 03/22/1988 | US4733078 Measurement of moisture-stratified sheet material | 
| 03/22/1988 | US4733063 Scanning laser microscope with aperture alignment | 
| 03/22/1988 | US4732480 Interferometric device for detecting gas | 
| 03/22/1988 | US4732478 Process for determining, by optical emission spectrometry, the content in a steel of an element such as aluminum, in the dissolved state and in the precipitated state | 
| 03/22/1988 | US4732477 For drawing a sample from a molten charge | 
| 03/22/1988 | US4732475 Internal reflection nanosampling spectroscopy | 
| 03/22/1988 | US4732474 Apparatus for optically inspecting object having reflecting surface | 
| 03/22/1988 | US4732473 Apparatus for, and methods of, determining the characteristics of semi-conductor wafers | 
| 03/17/1988 | DE3644866A1 Sensor | 
| 03/16/1988 | EP0259951A2 Luminescent oxygen sensor based on a lanthanide complex | 
| 03/16/1988 | EP0259837A2 Method of measuring the refractive index profile of optical fibers | 
| 03/16/1988 | EP0259797A2 Device for evaluation of test strips | 
| 03/16/1988 | EP0259621A2 Piperidine compounds and their preparation and use | 
| 03/16/1988 | EP0259601A2 System for automatically inspecting a workpiece for holes | 
| 03/16/1988 | EP0259386A1 Photometric analyser. | 
| 03/16/1988 | CN87207137U Optical fibre dual-wavelcngth photometric titrafor | 
| 03/16/1988 | CN87105257A Intermittent power supply method of the pulse hollow cathode lamp | 
| 03/16/1988 | CN85100867B Refractivity measuring and testing system | 
| 03/15/1988 | US4731855 Pattern defect inspection apparatus | 
| 03/15/1988 | US4731649 Oblique illumination for video rim inspection |