| 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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| 01/18/1989 | EP0299662A2 Liquid monitoring |
| 01/18/1989 | EP0299652A1 Baseline correction for chromatography |
| 01/18/1989 | EP0299646A2 Improved method and apparatus for sensing or determining one or more properties or the identity of a sample |
| 01/18/1989 | EP0299601A1 Method of determining a bacterial concentration and removing non-bacterial cells, and apparatus and reagents for the method |
| 01/18/1989 | EP0299445A2 Manual instrument for reflection measurements |
| 01/18/1989 | EP0299422A2 Apparatus and process for microanalytical determination of organic chemical material and microscope and monochromator adaptated thereto |
| 01/18/1989 | EP0299314A2 Readhead for reflectance measurement of distant samples |
| 01/18/1989 | EP0299283A1 Atomic absorption spectrometer |
| 01/18/1989 | EP0299194A2 Sheet inspection method providing simultaneous resolution of measurement zones and wavelength bands |
| 01/18/1989 | CN1030478A Analyzer for local molecular structure |
| 01/17/1989 | US4799235 Apparatus for measuring dew-point of a gas stream with light scattering |
| 01/17/1989 | US4799175 System for inspecting pattern defects of printed wiring boards |
| 01/17/1989 | US4798965 Optical autocollimation measuring apparatus |
| 01/17/1989 | US4798954 Infrared spectoscopy system |
| 01/17/1989 | US4798788 Diazotization of fluorophor |
| 01/17/1989 | US4798738 Hydrophilic polymer, dye, optical fiber, ph |
| 01/17/1989 | US4798703 Photometric apparatus in automatic chemical analyzer |
| 01/17/1989 | US4798466 Device for the non-destructive inspection of a part by means of optical holography |
| 01/17/1989 | US4798465 Particle size detection device having high sensitivity in high molecular scattering environment |
| 01/17/1989 | US4798463 Spectrofluorophotometer |
| 01/17/1989 | US4798152 For viewing the region of stitch formation of a sewing machineT?????h)??????? |
| 01/17/1989 | US4798006 Vibration isolation means |
| 01/17/1989 | CA1249044A1 Method for determining the onset of crystallization |
| 01/12/1989 | WO1989000281A1 Transillumination imaging system using the antenna properties of heterodyne detection |
| 01/12/1989 | WO1989000278A1 Imaging process and system for transillumination with photon frequency marking |
| 01/11/1989 | EP0298899A2 Transient holographic indication analysis |
| 01/11/1989 | EP0298584A2 Monitoring equipment using transmitted light |
| 01/11/1989 | EP0298398A2 Analyzer of partial molecular structures |
| 01/11/1989 | EP0298333A1 Sensor for gases or ions |
| 01/11/1989 | EP0298103A1 Separation process for diamonds |
| 01/11/1989 | CN2030721U Ph photoelectric integral test and control device |
| 01/11/1989 | CN1030193A Process for nitrogen oxides reduction and minimization of production of other pollutants |
| 01/10/1989 | US4797939 Pattern masking method and an apparatus therefor |
| 01/10/1989 | US4797558 Inspection apparatus including photodetection and scanning apparatus |
| 01/10/1989 | US4797552 Apparatus and method for locating the direction of an atomic beam |
| 01/10/1989 | US4797550 Fiber optic detector for flotation cell processing |
| 01/10/1989 | US4797476 Mono-4-arylazoaryl phosphoric esters |
| 01/10/1989 | US4797357 Fluorescent dyes for microorganism detection |
| 01/10/1989 | US4797000 Comparative colorimeter |
| 01/10/1989 | US4796995 Optically active biological particle distinguishing apparatus |
| 01/10/1989 | US4796744 Apparatus for separating test strips |
| 01/10/1989 | US4796636 Noninvasive reflectance oximeter |
| 01/10/1989 | US4796590 Rapid-response method and devices for detection of poor combustion |
| 01/05/1989 | DE3720977A1 Device for the simultaneous determination of the aerosol and vapour proportion of a test substance in air or gases |
| 01/05/1989 | DE3720167A1 Double-beam photometer for evaluating the intensity of the change in colour of reagent strips |
| 01/04/1989 | EP0297973A1 Coating control process for articles |
| 01/04/1989 | EP0297763A2 Cyclic anhydride derivatives of chromophors |
| 01/04/1989 | EP0297669A2 Method for measuring a reflected optical radiation |
| 01/04/1989 | EP0297462A2 Tape defect detecting system |
| 01/04/1989 | EP0297394A2 Fluid separation and processing device |
| 01/04/1989 | EP0297387A2 An improved turbidimetric method for the determination of serum lipase |
| 01/04/1989 | EP0297309A2 Process and device for metering and regulating the powder flow in a powder spray coating installation |
| 01/04/1989 | EP0297271A2 Sheet inspection station with pneumatic sheet guide |
| 01/04/1989 | EP0297129A1 Refraction coefficient profile measurement system and process. |
| 01/04/1989 | EP0297098A1 An indicator sheet for an autoclave test pack. |
| 01/03/1989 | US4796197 Automated apparatus for carrying out biological, biochemical or physicochemical determinations |
| 01/03/1989 | US4795911 Surface examining apparatus for detecting the presence of foreign particles on the surface |
| 01/03/1989 | US4795613 Biochemical analyzer |
| 01/03/1989 | US4795606 Inspection systems |
| 01/03/1989 | US4795262 Liquid chromatography absorbance detector |
| 01/03/1989 | US4795260 Apparatus for locating and testing areas of interest on a workpiece |
| 01/03/1989 | US4795255 Apparatus and process for measuring non-linear order three optical characteristics in an isotropic phase |
| 01/03/1989 | US4795253 Remote sensing gas analyzer |
| 12/29/1988 | WO1988010462A1 Procedure for controlling a radiation source and controllable radiation source |
| 12/29/1988 | WO1988010422A1 Analysis of carbohydrates |
| 12/29/1988 | WO1988010418A1 Waveguide sensor |
| 12/29/1988 | DE3720388A1 Method for in situ monitoring of the colour of moving roasting material, and arrangement for carrying out the method |
| 12/29/1988 | DE3720166A1 Photometric cell for evaluating the intensity of the change in colour of reagent strips |
| 12/28/1988 | EP0297014A1 Method for checking simultaneously the authenticity of a data carrier and the non-falsification of said data, and apparatus for implementing this method |
| 12/28/1988 | EP0296956A2 Gloss gauge |
| 12/28/1988 | EP0296924A1 Optical method for the quality control of textile surfaces |
| 12/28/1988 | EP0296920A1 Apparatus for analysing non-conducting surfaces |
| 12/28/1988 | EP0296752A1 Enhanced chemiluminescent reaction and diagnostic assay |
| 12/28/1988 | EP0296705A2 Optical sensing arrangements |
| 12/28/1988 | EP0296646A2 Analytical method to determine the gum content in a hydrocarbon |
| 12/28/1988 | EP0296480A2 Method & apparatus for electrothermal atomization of samples |
| 12/28/1988 | EP0296415A2 Multiwell plates containing membrane inserts |
| 12/28/1988 | EP0296354A2 Gas analyzer |
| 12/28/1988 | EP0296259A1 Spectrometer with combined visible and ultraviolet sample illumination |
| 12/28/1988 | EP0198869B1 Blood bag |
| 12/28/1988 | EP0065517B1 Surface roughness gauge |
| 12/28/1988 | CN88207160U Instrument for carrying out atomic absorption spectrum analysis |
| 12/28/1988 | CN88101478A Optical sensor |
| 12/28/1988 | CA1247715A Method of automatically detecting the locations of the frame lines of a reversal film and apparatus for carrying out the method |
| 12/28/1988 | CA1247399A Sample cell for light scattering measurements |
| 12/28/1988 | CA1247398A Automatic monochromator-testing system |
| 12/28/1988 | CA1247397A Spectrophotometric method and apparatus for the non- invasive determination of glucose in body tissues |
| 12/27/1988 | US4794647 Automatic optical inspection system |
| 12/27/1988 | US4794452 Viewing system external to a combustion chamber |
| 12/27/1988 | US4794450 Method and apparatus for judging agglutination pattern |
| 12/27/1988 | US4794266 Method and apparatus for light transmission measurement by sending light, measuring received light and computing transmittance |
| 12/27/1988 | US4794265 Surface pit detection system and method |
| 12/27/1988 | US4794264 Surface defect detection and confirmation system and method |
| 12/27/1988 | US4794260 Method for detecting fingerprints using a laser and an apparatus therefor |
| 12/27/1988 | US4794258 Spectroanalytical gas measuring apparatus |
| 12/27/1988 | US4794255 Absorption analyzer |
| 12/27/1988 | US4794249 Optical time domain reflectometer with heterodyne reception |
| 12/27/1988 | US4794230 Low-pressure water-cooled inductively coupled plasma torch |
| 12/27/1988 | US4794086 Dispersing liquid in uniform droplets of known diameters; evaporating; measuring residue volumes to calculate impurity concentration |
| 12/27/1988 | US4793710 Method and apparatus for measuring surface density of explosive and inert dust in stratified layers |