| 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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| 05/17/1988 | US4744251 Apparatus for examining tubular members disposed in axially parallel relationship |
| 05/17/1988 | US4744131 Apparatus for handling fish fillets for the purpose of quality inspection |
| 05/17/1988 | CA1236921A1 Methods for coagulation monitoring |
| 05/17/1988 | CA1236920A1 Method and devide for detecting defects on the surface of a running web |
| 05/17/1988 | CA1236707A1 Photometric method for determining the concentration in reactions in which scattering centers are formed or consumed |
| 05/11/1988 | EP0266894A2 Fineness gauge |
| 05/11/1988 | EP0266881A2 Method and apparatus for multiple optical assaying |
| 05/11/1988 | EP0266814A1 Sample holder for a spectroscopic ellipsometer with a high lateral resolution |
| 05/11/1988 | EP0266769A2 Flow cell for photometer |
| 05/11/1988 | EP0266728A2 Method and device for ascertaining the quality of surfaces, particularly semiconductor plates |
| 05/11/1988 | EP0266507A1 Monitoring device, in particular by using a video camera |
| 05/11/1988 | EP0266461A1 Methods for the detection and quantitation of immunological substances |
| 05/11/1988 | CN86107253A Precision measuring device for expansion performance of the piezoelectric ceramic |
| 05/10/1988 | US4744035 Inspecting textile products |
| 05/10/1988 | US4743775 Absorption gauge for determining the thickness, moisture content or other parameter of a film of coating |
| 05/10/1988 | US4743770 Profile-measuring light probe using a change in reflection factor in the proximity of a critical angle of light |
| 05/10/1988 | US4743749 Self compensating circuit for measuring rapidly occurring optoelectronically detectable events |
| 05/10/1988 | US4743561 Medical diagnosis |
| 05/10/1988 | US4743558 Centrifuging |
| 05/10/1988 | US4743541 Purification of luminol |
| 05/10/1988 | US4743339 Method for controlling the digestion of pulp by IR spectroscopy |
| 05/10/1988 | US4743111 Emission spectrochemical analyzer |
| 05/10/1988 | EP0227739A4 Differential imaging device. |
| 05/05/1988 | WO1988003266A1 Optical apparatus and method |
| 05/05/1988 | DE3635684A1 Multispectral lamp arrangement |
| 05/04/1988 | EP0266278A1 Method and apparatus for the determination of immunologically reactive substances of clinical interest |
| 05/04/1988 | EP0265952A2 Apparatus for determining the concentration of a light-absorbing material in blood |
| 05/04/1988 | EP0265630A2 Device and method for chemical analysis of fluids with a reagent coated light source |
| 05/04/1988 | EP0265519A1 Electrochemiluminescent assays. |
| 05/04/1988 | EP0265513A1 Method and apparatus for measuring cyanide. |
| 05/04/1988 | EP0265450A1 Liquid light tube end cap assembly |
| 05/04/1988 | CN87209920U Luminous promoting agent adding device |
| 05/04/1988 | CN86107252A Measuring device of refraction index of air |
| 05/03/1988 | USRE32660 Confocal optical imaging system with improved signal-to-noise ratio |
| 05/03/1988 | US4742237 Surface configuration inspection apparatus with moving grating |
| 05/03/1988 | US4742231 Radiation sensor |
| 05/03/1988 | US4742229 Pneumatic detector for nondispersive infrared gas analyzers |
| 05/03/1988 | US4742228 Infrared measuring apparatus and process for the continuous quantitative determination of individual components of flour or other groundable food products |
| 05/03/1988 | US4741619 Surfactant coating of well surface |
| 05/03/1988 | US4741428 For use in a tablet transporting apparatus |
| 05/03/1988 | EP0174939A4 Panel surface flaw inspection. |
| 05/03/1988 | CA1235925A1 Method for quantitatively detecting the decarburization reaction in the production process of an electrical steel sheet |
| 05/03/1988 | CA1235924A1 Circuitry for a portable test strip reading instrument |
| 05/03/1988 | CA1235923A1 Method of and apparatus for the measurement of the refractive-index profile in monomode optical fibres |
| 04/28/1988 | DE3723328A1 Arrangement for the remote adjustment of the inking zones on printing machines |
| 04/27/1988 | EP0265323A1 Fiduciary security object permitting a visual or optical authentification |
| 04/27/1988 | EP0265229A2 Particle detection method and apparatus |
| 04/27/1988 | EP0265194A2 A transform optical processing system |
| 04/27/1988 | EP0264866A2 Method for the determination of the presence of diagnostically relevant substances, particularly antibodies or antigens, by the "ELISA" method using photometric evaluation |
| 04/27/1988 | EP0264797A2 Benzodiazepines assay, tracers, immunogens and antibodies |
| 04/27/1988 | EP0264562A2 Device for detecting by densitometry a measuring strip in printing machines |
| 04/27/1988 | EP0264427A1 Method and apparatus for identifying particulate matter |
| 04/27/1988 | EP0264397A1 Systems for the direct analysis of solid samples by atomic emission spectroscopy |
| 04/27/1988 | CN87106592A Detecting unwanted materials among cullet |
| 04/26/1988 | US4741044 Process for fault detection on defined structures |
| 04/26/1988 | US4741043 Method of and an apparatus for image analyses of biological specimens |
| 04/26/1988 | US4740709 Method of sensing fluid properties independent of bubble concentrations |
| 04/26/1988 | US4740708 Semiconductor wafer surface inspection apparatus and method |
| 04/26/1988 | US4740472 Method and apparatus for automated processing and aliquoting of whole blood samples for analysis in a centrifugal fast analyzer |
| 04/26/1988 | US4740460 Process for measuring endotoxin and apparatus used therefor |
| 04/26/1988 | US4740383 Coating with color-changing substance |
| 04/26/1988 | US4740356 Ensures exact dosage of reagent liquid independent of reservoir level |
| 04/26/1988 | US4740247 Cleaning with terpenes and surfactant mixtures |
| 04/26/1988 | US4740086 Apparatus for the photoacoustic detection of gases |
| 04/26/1988 | US4740080 Analog to digital converter for fluid analyzing apparatus |
| 04/26/1988 | US4740079 Method of and apparatus for detecting foreign substances |
| 04/26/1988 | US4739647 Apparatus and method for continuously monitoring non-condensable gases in a flow of mixed gases |
| 04/26/1988 | US4739645 Apparatus for calibrating a sensor for detecting the presence of a gas in a liquid |
| 04/26/1988 | CA1235848A1 Process for anionic polymerization |
| 04/26/1988 | CA1235793A1 Process for the detection and recording of defects on hot semi-finished steel products |
| 04/21/1988 | WO1988002890A1 Improved multichannel gas analyzer and method of use |
| 04/21/1988 | WO1988002889A1 Improved multichannel gas analyzer and method of use |
| 04/21/1988 | WO1988002856A1 System and method for thermogravimetric analysis |
| 04/21/1988 | WO1988002855A1 Particle analysis apparatus |
| 04/21/1988 | WO1988002854A1 Apparatus for spectral analysis of chromatographic fractions |
| 04/21/1988 | WO1987005692A3 Remote opto-electronic detection device and method for the detection of physical magnitudes |
| 04/21/1988 | WO1987005691A3 Remote opto-electronic detection device for detecting a physical magnitude |
| 04/21/1988 | DE3634869A1 Device for scanning a body by means of at least one luminous beam |
| 04/20/1988 | EP0264289A2 Method and apparatus for calibrating gas monitors |
| 04/20/1988 | EP0264087A2 Apparatus for detecting defects on bottle mouth with screw thread |
| 04/20/1988 | EP0264057A2 Automatic focusing system for observing means for inspecting an object |
| 04/20/1988 | EP0263948A2 Biosensor |
| 04/20/1988 | EP0263931A2 Method and device for measuring continuously the concentration of a gas component |
| 04/20/1988 | EP0263858A1 Device for checking the straightness and, if required, the height and/or distortions in vessels made of transparent material, preferably bottles |
| 04/20/1988 | CN86106782A Comparative multipurpose laser optical analyser with high resolution |
| 04/19/1988 | US4739459 Automatic range control method for an optical density/dot percentage measuring device |
| 04/19/1988 | US4739177 Light scattering particle detector for wafer processing equipment |
| 04/19/1988 | US4739176 Monitoring for contaminants in textile product |
| 04/19/1988 | US4739171 Limited volume method and apparatus for particle counting |
| 04/19/1988 | US4738866 Apparatus and method for determining whether an adequate amount of sizing has been applied to yarn ends |
| 04/19/1988 | US4738538 For determining the gloss properties of surfaces |
| 04/19/1988 | US4738536 Method for analyzing impurities in liquid and apparatus therefor |
| 04/19/1988 | US4738535 Optical instrument employing fiber optics to direct light through tilting filter wheel |
| 04/19/1988 | US4738534 Vertical beam spectrophotometer |
| 04/19/1988 | US4738533 Plywood surface defect detecting head |
| 04/19/1988 | US4738266 Apnoea monitor |
| 04/19/1988 | US4738175 Defect detection system |
| 04/19/1988 | CA1235513A1 Method of film inspection with a microscopical image analyzer |
| 04/19/1988 | CA1235507A1 Apparatus for continuous measurement of condition for a paper web in the course of laying |
| 04/14/1988 | DE3732216A1 Method and device for measuring the fluorescence decay time of a fluorescing substance |