| 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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| 08/05/1992 | EP0497747A2 An electronic device for colour shade or colour difference detecting |
| 08/05/1992 | EP0497649A1 Method and device for testing the surface condition of a light transmitting optical element |
| 08/05/1992 | EP0497488A2 Electro-kinetic separation with enlarged input mixing capillary |
| 08/05/1992 | EP0497477A2 Method of and apparatus for inspecting end of object for defect |
| 08/05/1992 | EP0497434A2 A dual beam full spectrum multichannel spectrophotometer |
| 08/05/1992 | EP0497397A1 Method of qualitative analysis of plastics particles |
| 08/05/1992 | EP0497372A1 Fluorescent image densitometer of flying spot system |
| 08/05/1992 | EP0497343A2 Blood analyzing system |
| 08/05/1992 | EP0496731A1 Method and apparatus for conducting electrochemiluminescent measurements. |
| 08/05/1992 | EP0442872A4 Dual absorbent analyte detection |
| 08/05/1992 | CN2112154U Microbore plate verticle photocolorimetric error corrector |
| 08/05/1992 | CN2112153U Double optical path forward-scatter laser dust detector |
| 08/05/1992 | CN1063359A Common sample introduction method and equipment of atomic absorption spectrophotometer |
| 08/05/1992 | CN1017750B Method of distinguishing retrieval bottles and cans |
| 08/04/1992 | USH1083 Method for removing small gas bubbles from a liquid stream |
| 08/04/1992 | US5136422 Reflective optical system for a microscopic spectrometer |
| 08/04/1992 | US5136373 Image processing apparatus |
| 08/04/1992 | US5136172 Method and apparatus for detecting photoacoustic signal |
| 08/04/1992 | US5136157 Apparatus for the three-dimensional inspection of hollow bodies with plural mirror for generating plural partial images |
| 08/04/1992 | US5136149 Method of focusing optical head on object body and automatic focusing device for optical inspection system including tilt detection |
| 08/04/1992 | US5135662 Tube clarifier method for monitoring and/or controlling clarification processes |
| 08/04/1992 | US5135306 Particle measuring method and apparatus |
| 08/04/1992 | US5135305 Spectroanalytical system |
| 08/04/1992 | US5135304 Gas analysis system having buffer gas inputs to protect associated optical elements |
| 08/04/1992 | US5135303 Method of and apparatus for inspecting surface defects |
| 08/04/1992 | CA1305921C Diffraction immunoassay and reagents |
| 08/02/1992 | WO1992014142A1 A method and apparatus for inspecting liquid-filled containers |
| 08/02/1992 | CA2100776A1 Method and apparatus for inspecting liquid-filled containers |
| 08/01/1992 | CA2060412A1 Process for the qualitative analysis of plastic particles |
| 07/31/1992 | CA2059394A1 Apparatus for performing assays using evanescent waves |
| 07/29/1992 | WO1992014135A1 Temperature insensitivite web moisture sensore and method |
| 07/29/1992 | EP0496086A2 Method and apparatus for analyzing fabric conditions |
| 07/29/1992 | EP0496027A1 A bioluminescence assay for gene expression in growing mammalian cells |
| 07/29/1992 | EP0341248B1 Method and apparatus for control of dry line on the wire of a fourdrinier paper machine |
| 07/29/1992 | CN2111525U Automatic dust-proof and measuring device |
| 07/29/1992 | CN2111524U Interference detecting instrument for yang modular |
| 07/29/1992 | CN2111523U Automatic aimming abbe refractometer |
| 07/29/1992 | CN1063160A Glass container inspection machine |
| 07/29/1992 | CN1063159A Method for determination of the life of non-balanced current carrier of semi-conductor |
| 07/29/1992 | CN1063061A Method for automatic selection of containers and measuring arrangement and plant with measuring arrangement |
| 07/29/1992 | CN1017650B Method for detecting presence of contaminants in reusable plastic food or beverage container |
| 07/29/1992 | CN1017649B Method to prepare specimen for light spectrum analysis |
| 07/28/1992 | US5134665 Apparatus and method of inspecting solder printing |
| 07/28/1992 | US5134302 Method and means for generating synthetic spectra allowing quantitative measurement in near infrared measuring instruments |
| 07/28/1992 | US5134284 Method of testing the accuracy of pulse oximeters and device therefor |
| 07/28/1992 | US5134279 Photo-optical bulk stream detector for a conduit |
| 07/28/1992 | US5134278 Device for simultaneously inspecting an object for defects and debris |
| 07/28/1992 | US5134276 Noise cancelling circuitry for optical systems with signal dividing and combining means |
| 07/28/1992 | US5133901 System and method for on-line monitoring and control of heavy metal contamination in soil washing process |
| 07/28/1992 | US5133602 Particle path determination system |
| 07/28/1992 | US5133597 Method and device for measuring the transmission loss and optical waveguide |
| 07/28/1992 | US5133198 Endoscopic apparatus for flaw detection on a circular knitting machine |
| 07/28/1992 | CA1305613C System and method for thermogravimetric analysis |
| 07/26/1992 | CA2044680A1 Bioluminescence assay for gene expression in growing mammalian cells |
| 07/25/1992 | WO1992014177A2 Planar and other waveguide refractive index sensors using metal cladding |
| 07/25/1992 | CA2101072A1 Waveguide sensor |
| 07/23/1992 | WO1992012424A1 An optical probe and method for monitoring an analyte concentration |
| 07/23/1992 | WO1992012414A1 Web inspection system and method |
| 07/23/1992 | WO1992012412A2 DEVICE FOR MEASURING THE pH OF A TARGET, METHOD FOR USING SUCH DEVICE AND APPLICATION THEREOF |
| 07/23/1992 | WO1992012410A1 Device for detecting defects of web |
| 07/23/1992 | CA2035703A1 System and method for determining and printing airborne particle concentration |
| 07/22/1992 | EP0495569A2 Stray light trap in a monochromator |
| 07/22/1992 | EP0495519A2 Apparatus and method for measuring a test specimen |
| 07/22/1992 | EP0495481A2 Liquid crystal panel inspection method |
| 07/22/1992 | EP0494896A1 Assay method for biological target complexes on the surface of a biosensor. |
| 07/22/1992 | CN1062975A Microcomputer atomic absorption spectrophotometer |
| 07/21/1992 | US5132919 Automatic measuring device for measuring the amount of wax, oil and other substances applied on the surface of a workpiece |
| 07/21/1992 | US5132791 Optical sheet inspection system |
| 07/21/1992 | US5132548 High sensitivity, large detection area particle sensor for vacuum applications |
| 07/21/1992 | US5132538 Measuring percentage of protein in whole grain samples |
| 07/21/1992 | US5132226 Method for the determination of maleimide groups |
| 07/21/1992 | US5132204 Deprotecting and decomposition to generate light; immunoassay |
| 07/21/1992 | US5132097 Apparatus for analysis of specific binding complexes |
| 07/21/1992 | US5132095 Optical sensor |
| 07/21/1992 | US5132057 Gel-bound dye, curing, HOPSA derivative |
| 07/21/1992 | US5131984 Vaporization, withdrawal, condensation, return; steam generation |
| 07/21/1992 | US5131756 Test carrier analysis device |
| 07/21/1992 | US5131755 Automatic high speed optical inspection system |
| 07/21/1992 | US5131752 Method for film thickness endpoint control |
| 07/21/1992 | US5131746 On-line process control monitoring system |
| 07/21/1992 | CA1305543C Methods of discriminating between contaminated and uncontaminated containers |
| 07/21/1992 | CA1305334C Single source multi-site photometric measurement system |
| 07/16/1992 | DE4102122A1 Paper formation test |
| 07/16/1992 | DE4100547A1 Photoelectric signal transmitter for monitoring film - gives signal with defective film at surface of material strip being processed |
| 07/15/1992 | EP0494846A2 Test tube for biological analyses, provided with a device for checking efficiency and position, for photometric readings |
| 07/15/1992 | EP0494734A2 A method and apparatus for determining the composition of a fuel mixture |
| 07/15/1992 | EP0494524A2 Monitoring device |
| 07/15/1992 | EP0494492A2 Method and apparatus for high resolution analysis of the composition of a material |
| 07/15/1992 | EP0494266A1 Infrared emission detection |
| 07/15/1992 | CN2110227U Light-temp. pressure-resistance original location laser spectrum sample pond |
| 07/15/1992 | CN2110226U Isotope x-fluorescence cement many composition analysis instrument |
| 07/15/1992 | CN2110225U Semi-automatic biochemistry analysis instrument |
| 07/15/1992 | CN2110224U Dust-proof device for laser scatter receiver lens |
| 07/15/1992 | CA2034092A1 Soot detector |
| 07/14/1992 | USRE33991 Foreign particle detecting method and apparatus |
| 07/14/1992 | US5130643 Method for determining the recombination rate of minority carriers at boundary surfaces between semiconductors and other substances |
| 07/14/1992 | US5130559 Method and apparatus for recognizing particle impurities in textile fiber |
| 07/14/1992 | US5130555 Tape crease inspecting method and apparatus having a stripe shaped pattern reflection plate |
| 07/14/1992 | US5130545 Video imaging plant management system |
| 07/14/1992 | US5130544 Optical gas analyzer |