| 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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| 05/10/1994 | US5310529 Nondestructive testing |
| 05/10/1994 | US5310526 In-line analysis |
| 05/10/1994 | US5310260 Non-contact optical techniques for measuring surface conditions |
| 05/10/1994 | US5309912 Multidimensional imaging using a single point detector for a phase encoded modulated optical carrier |
| 05/10/1994 | US5309907 Measuring arrangement for examining a subject with visible, NIR or IR light |
| 05/10/1994 | US5309773 Powder and granule inspection apparatus |
| 05/10/1994 | CA1329329C Test piece coloration comparative decision unit |
| 05/10/1994 | CA1329327C Scrap detector |
| 05/07/1994 | CA2108705A1 Biologically recognizing layers on new ti02 waveguide for biosensors |
| 05/05/1994 | DE4236756A1 Sepn of solids from sludge - uses controlled feed of flocking polymers according to measurement of cloudiness |
| 05/04/1994 | EP0595369A1 Alkene compounds |
| 05/04/1994 | EP0595352A2 A microphoto lysis-analysis process to measure cell characteristics and diagnose diseases |
| 05/04/1994 | EP0595261A1 Method of inspecting solid body for foreign matter |
| 05/04/1994 | EP0594838A1 Spectrophotometric supercritical fluid contamination monitor. |
| 05/04/1994 | EP0594766A1 Methods and apparatus for improved luminescence assays using particle concentration and chemiluminescence detection |
| 05/04/1994 | EP0594735A1 Surface inspection method and apparatus |
| 05/04/1994 | EP0594668A1 Optical signal processing |
| 05/04/1994 | EP0377733B1 Immunoassay apparatus |
| 05/04/1994 | CN2164042Y Portable concentration photoelectric colorimeter |
| 05/04/1994 | CN1086315A Production method for standard solution ampoule preparation for sanitary inspection of food |
| 05/04/1994 | CN1086314A Particle analysing equipment |
| 05/04/1994 | CN1086313A Particle analysing equipment |
| 05/04/1994 | CN1086271A Apparatus and method for testing multiple characteristics of single textile sample with automatic feed |
| 05/03/1994 | US5309486 Non-contact flaw detection for cylindrical nuclear fuel pellets |
| 05/03/1994 | US5309288 Prismatic device for use with process refractometers |
| 05/03/1994 | US5309229 Method of inspecting a surface of an object |
| 05/03/1994 | US5309227 Video signal processing system for electronic endoscope |
| 05/03/1994 | US5309222 Surface undulation inspection apparatus |
| 05/03/1994 | US5309216 Method of and an apparatus for determining particle size distributions by measuring the spectral light extinction during sedimentation |
| 05/03/1994 | US5309215 Procedure for the determination of particle size distribution in particle mixtures |
| 05/03/1994 | US5309214 Method for measuring distributed dispersion of gradient-index optical elements and optical system to be used for carrying out the method |
| 05/03/1994 | US5309213 Optical determination of amount of soot in oil sample |
| 05/03/1994 | US5308983 Spectroscopic accessory with microscope illuminator |
| 05/03/1994 | US5308982 Method and apparatus for comparing spectra |
| 05/03/1994 | US5308981 Method and device for infrared analysis, especially with regard to food |
| 05/03/1994 | US5308774 Liquid chromatographic method and apparatus for analyzing biological samples |
| 05/03/1994 | US5308773 Non-azo 1,8-naphthalimide dyes for the detection and quantitation of a paramagnetic metal cation in a non-aqueous medium |
| 05/03/1994 | US5308771 Chemical sensors |
| 05/03/1994 | US5308754 Electrogenerated luminescence in solution |
| 05/03/1994 | US5308581 Substance of an optical fluorescence measuring arrangement for measuring the pH of a sample and optical sensor with such an indicator substance |
| 05/03/1994 | CA1329267C Apparatus and method for determining plant fluorescence |
| 05/03/1994 | CA1329018C Method and apparatus for optically coupling an element analysis system and a laser to liquid metal in a melting vessel |
| 05/03/1994 | CA1329017C Fiber-optic physiological probes |
| 05/01/1994 | CA2109045A1 Microphoto lysis analysis process to measure cell characteristics |
| 04/28/1994 | WO1994009507A1 An improved optical fiber distribution system for an optical fiber sensor in a luminescent sensor system |
| 04/28/1994 | WO1994009506A1 An optical distribution system incorporating an improved absorbance-based optical fiber sensor |
| 04/28/1994 | WO1994009362A1 Method for prediction of cetane numbers of gasoils |
| 04/28/1994 | WO1994009358A1 Process and device for inspection of a transparent material |
| 04/28/1994 | WO1994009357A1 Process for determining the concentration of an active agent containing a tracer in active agent solutions |
| 04/28/1994 | WO1994009356A1 Multiple angle and redundant visibility sensor |
| 04/28/1994 | WO1994009355A1 Apparatus and method for textile sample testing |
| 04/28/1994 | WO1994009266A1 Sensor arrangement and process for monitoring the conversion rate of an exhaust gas catalyst |
| 04/28/1994 | WO1994002836A3 Method and apparatus for the measurement of pollutants in liquids |
| 04/28/1994 | EP0604582A4 Dual-wavelength photometer and fiber optic sensor probe. |
| 04/28/1994 | DE3250066C2 Measuring ion strength of electrolyte |
| 04/28/1994 | CA2146985A1 Method for prediction of cetane numbers of gasoils |
| 04/27/1994 | EP0594412A1 Method of performing an immunoassay using photothermal deflection spectroscopy |
| 04/27/1994 | EP0594327A1 Capillary detector cell with imaging elements for optimizing sensitivity |
| 04/27/1994 | EP0594220A2 Roll mark inspection apparatus |
| 04/27/1994 | EP0594146A2 System and method for automatic optical inspection |
| 04/27/1994 | EP0594134A2 Calibrator for photometrical bilirubin assay |
| 04/27/1994 | EP0593714A1 Analytical cartridge and system for detecting analytes |
| 04/27/1994 | EP0593667A1 Measurement of material properties with optically induced phonons |
| 04/27/1994 | CN1024374C Method for metallurgical testing |
| 04/26/1994 | US5307420 Method and apparatus for monitoring plates in marking device |
| 04/26/1994 | US5307210 Beam alignment device and method |
| 04/26/1994 | US5307161 Biological sample observation system using a solid state imaging device |
| 04/26/1994 | US5307155 Sample chamber for a spectro photometer |
| 04/26/1994 | US5307148 Fluorescence detection type electrophoresis apparatus |
| 04/26/1994 | US5307146 Dual-wavelength photometer and fiber optic sensor probe |
| 04/26/1994 | US5307144 For transmitting monochromatic light |
| 04/26/1994 | US5306918 Installation for the study or the transformation of the surface of samples placed in a vacuum or in a controlled atmosphere |
| 04/26/1994 | US5306913 Method and apparatus for remote optical detection of a gas present in an observed volume |
| 04/26/1994 | US5306909 Analysis of drilling fluids |
| 04/26/1994 | US5306645 Concentration and transfer methods for a chromatogram and an LC/IR measuring method |
| 04/26/1994 | US5306642 Compact, portable fiber optic detector using filtered light, reflective chemical sensor; monitor decrease in fluorescence of reaction with polycyclic aromatic compound |
| 04/26/1994 | US5306403 Raman-based system for DNA sequencing-mapping and other separations |
| 04/26/1994 | US5306209 Contaminant shield for viewing ports |
| 04/26/1994 | US5305887 Method and apparatus for examining the gaseous content of returned drink bottles |
| 04/26/1994 | US5305744 Calibrating reflector device for an optical measuring system |
| 04/26/1994 | CA1328845C Automatic electrophoresis apparatus and method |
| 04/21/1994 | DE4300896C1 Road surface characteristics evaluation system - uses reflection of IR beam directed onto road surface at Brewster angle. |
| 04/21/1994 | DE4235065A1 Automatic and contact-free measuring of double refraction - and temporal fluctuations of the refraction in transparent films and filaments with any desired thickness or phase difference |
| 04/21/1994 | DE4234768A1 Optical scanning system for surface of object being tested - has circular receiving reflector formed by at least two separated segments leaving gaps so that rotational symmetrical object for testing can be gripped for imaging |
| 04/20/1994 | EP0593306A2 Methods and apparatuses for examining pathogen resistance of plant, for evaluating ability to impart pathogen resistance to plant, and for evaluating agricultural chemical |
| 04/20/1994 | EP0592632A1 Method for measuring the concentration of carbon dioxide dissolved in sea water, and device therefor |
| 04/20/1994 | EP0592624A1 Diagnostic microbiological testing apparatus and method |
| 04/20/1994 | EP0592568A1 Apparatus for checking surface features of conical parts. |
| 04/20/1994 | EP0253872B1 Infrared gas analyzer with automatic zero adjustment |
| 04/20/1994 | CN2162652Y Small angle laser scattering instrument system |
| 04/20/1994 | CN1085660A Method, apparatus and application for analysing of gas example and testing equipment with apparatus |
| 04/19/1994 | US5305392 High speed, high resolution web inspection system |
| 04/19/1994 | US5305391 Method of and apparatus for inspecting bottle or the like |
| 04/19/1994 | US5305093 Spectrometer for conducting turbidimetric and colormetric measurements |
| 04/19/1994 | US5305090 Birefringent inspection polarscope |
| 04/19/1994 | US5305080 Apparatus for inspecting surface of a face plate for a cathode ray tube |
| 04/19/1994 | US5305079 Nondestructive method for detecting defects in thin film using scattered light |
| 04/19/1994 | US5305076 Quantitative analytical method and apparatus for spectrometric analysis using wave number data points |
| 04/19/1994 | US5305073 Methods and apparatus for molecular characterization |
| 04/19/1994 | US5305072 Laser scattering particle-size distribution analyzer with improved sample container discharge |