| 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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| 03/14/1989 | US4812036 Stress evaluation apparatus |
| 03/09/1989 | WO1989002072A1 Method and apparatus for optically measuring concentration of material |
| 03/09/1989 | WO1989002069A1 Asymmetric purge air system for cleaning a lens |
| 03/09/1989 | WO1989001867A1 Procedure for monitoring printing quality |
| 03/09/1989 | WO1989001796A1 Bubble detector |
| 03/09/1989 | WO1989001758A1 Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment |
| 03/09/1989 | DE3801187C1 Method for gas analysis and gas analyser |
| 03/09/1989 | DE3729063A1 Method and apparatus for non-contact measurement of the concentration of molecules exceeding pre-dissociating states by means of laser-induced fluorescence |
| 03/08/1989 | EP0306337A2 Spectrophotometer |
| 03/08/1989 | EP0306206A1 Assay device and method |
| 03/08/1989 | EP0305644A2 Emission microscopy apparatus and method |
| 03/08/1989 | EP0305563A2 Method for correction of calibration curve in dry analytical process |
| 03/08/1989 | EP0305465A1 Method for detecting diamonds in remote locations |
| 03/08/1989 | EP0305440A1 Diamond mapping |
| 03/08/1989 | EP0305435A1 Portable and autonomous instrument for analyzing a gaseous composition by means of flame spectrophotometry. |
| 03/08/1989 | EP0305429A1 Clinical gas monitoring |
| 03/08/1989 | EP0305428A1 In vivo blood testing |
| 03/08/1989 | EP0176509B1 Arrangement at a gas flow through cell for spectrophotometric analysis of chemical compounds |
| 03/08/1989 | CN1031602A Fast detector of liquid density |
| 03/07/1989 | US4811409 Method and apparatus for detecting defect information in a holographic image pattern |
| 03/07/1989 | US4811251 Vessel opening top inspection method |
| 03/07/1989 | US4810895 Method and apparatus for optical examination of an object particularly by moire ray deflection mapping |
| 03/07/1989 | US4810884 Apparatus and method to distinguish between oil and gas combustion by remote observation using an infrared spectrometer |
| 03/07/1989 | US4810875 Method and apparatus for examining the interior of semi-opaque objects |
| 03/07/1989 | US4810872 Optical property measuring device |
| 03/07/1989 | US4810658 Discrimination of parts that are liquid and bound to solid |
| 03/07/1989 | US4810655 Quenching of luminescence |
| 03/07/1989 | US4810654 Method for the concentration determination of silane gas in a gaseous mixture |
| 03/07/1989 | US4810348 Automatic electrophoresis apparatus and method |
| 03/07/1989 | US4810096 Plate reader |
| 03/07/1989 | US4810095 Laser-beam, pattern drawing/inspecting apparatus |
| 03/07/1989 | US4810094 Dual wavelength holographic interferometry system and method |
| 03/07/1989 | US4810090 Method and apparatus for monitoring blood components |
| 03/07/1989 | US4809543 Apparatus and method for monitoring one liquid in another |
| 03/07/1989 | CA1250920A1 Bottle cap inspection apparatus |
| 03/07/1989 | CA1250808A1 Semen sexing |
| 03/07/1989 | CA1250772A1 Microorganism monitoring apparatus |
| 03/07/1989 | CA1250761A1 Apparatus and method for analyzing parameters of a fibrous substrate |
| 03/01/1989 | EP0305109A1 Biological sensors |
| 03/01/1989 | EP0305090A2 Method for the direct determination of physical properties of hydrocarbon products |
| 03/01/1989 | EP0304805A2 Optical scanning apparatus for a transparent web of material |
| 03/01/1989 | EP0304795A2 Device for checking of coated and uncoated foils |
| 03/01/1989 | EP0304794A2 Quantitative measurement of lithium |
| 03/01/1989 | EP0304478A1 Process for nitrogen oxides reduction with minimization of the production of other pollutants. |
| 03/01/1989 | EP0304477A1 Optical inspection system for cylindrical objects |
| 03/01/1989 | EP0304461A1 Improved assay technique and apparatus therefor |
| 03/01/1989 | CN1031423A Radiation detection system |
| 03/01/1989 | CN1031422A Multi-part differential analyzing apparatus utilizing light scatter techniques |
| 03/01/1989 | CN1031346A Device for fastening flexible forme |
| 03/01/1989 | CN1003470B Original position particle size measurer |
| 02/28/1989 | US4809341 Test method and apparatus for a reticle or mask pattern used in semiconductor device fabrication |
| 02/28/1989 | US4808828 Method of and apparatus for simultaneous determination |
| 02/28/1989 | US4808825 Fluid analyzer |
| 02/28/1989 | US4808824 Compositional state detection system and method |
| 02/28/1989 | US4808813 Self contained surface contamination sensor for detecting external particulates and surface discontinuities |
| 02/28/1989 | US4808001 Optical inspection system for cylindrical objects |
| 02/28/1989 | US4807996 Transient holographic indication analysis |
| 02/28/1989 | US4807995 Process for electro optical inspection of the mouth area of glass bottles |
| 02/28/1989 | US4807994 Method of mapping ion implant dose uniformity |
| 02/28/1989 | US4807991 Method of inspecting and repairing a structural defect in the surface of an object |
| 02/28/1989 | US4807630 Apparatus and method for use in pulse oximeters |
| 02/28/1989 | CA1250587A1 Method and agents for measuring protein aging |
| 02/23/1989 | WO1989001621A1 Process and device for measuring the concentration of a gas in a gaseous mixture |
| 02/23/1989 | WO1989001620A1 Optoelectric electrophoresis analysis systems |
| 02/23/1989 | WO1989001530A1 Metallurgical controlling method |
| 02/23/1989 | DE3827312A1 Verfahren und vorrichtung zur erzeugung einer anzahl parameter eines gegenstandes in einem blickfeld Method and device for generation of a number of parameters of a subject matter field in a view |
| 02/22/1989 | EP0304248A2 Carbon dioxide sensor |
| 02/22/1989 | EP0304233A1 Method and apparatus for determining the flocculation threshold of a petroleum product |
| 02/22/1989 | EP0304232A2 Method for the direct determination of physical properties of hydrocarbon products |
| 02/22/1989 | EP0304230A2 Optical measurement method |
| 02/22/1989 | EP0304209A2 Radiation detection system |
| 02/22/1989 | EP0304164A2 Leak detector |
| 02/22/1989 | EP0303722A1 Method and apparatus for detecting and treating faults in webs of fabric |
| 02/22/1989 | EP0303707A1 Optical measurement method and apparatus therefor in automatic analyzer |
| 02/21/1989 | US4806849 Method and apparatus for diagnosing degradation of coating film on metal material |
| 02/21/1989 | US4806774 Inspection system for array of microcircuit dies having redundant circuit patterns |
| 02/21/1989 | US4806764 Apparatus for evaluating the quality of rice grains |
| 02/21/1989 | US4806491 Multiple electrooptic indicator sensors in elongation strip |
| 02/21/1989 | US4806490 Procedure for the detection of allergen-containing house dust |
| 02/21/1989 | US4806489 Matrix modifier and method for modifying a matrix to improve analysis of metal constituents during graphite furnace atomic absorption spectroscopy |
| 02/21/1989 | US4806488 Bonding to a specific binding pair |
| 02/21/1989 | US4806018 Angular reflectance sensor |
| 02/21/1989 | US4806015 Agglutination detection apparatus |
| 02/21/1989 | US4806013 Refractometer for fluids |
| 02/21/1989 | US4806004 Scanning microscopy |
| 02/21/1989 | US4806002 Densitometric sensing device for use in printing presses |
| 02/21/1989 | US4805985 Method of producing a fiber-optical reflection sensor and sensor so produced |
| 02/21/1989 | US4805641 Method and apparatus for ascertaining the density of wrapped tobacco fillers and the like |
| 02/21/1989 | US4805623 Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment |
| 02/21/1989 | CA1250215A1 Reagent test strip reading instrument |
| 02/21/1989 | CA1250214A1 Method and apparatus for detection of certain nitrogen-containing gases using chemiluminescence |
| 02/21/1989 | CA1250212A1 Method and apparatus for instant photodetection of chemiluminescent immunoassays |
| 02/16/1989 | DE3817049A1 Calibration method for mercury determination |
| 02/16/1989 | DE3726412A1 Fibreoptic refractometer |
| 02/15/1989 | EP0303524A2 Instrument for independently and kinetically measuring light transmission through a plurality of samples |
| 02/15/1989 | EP0303448A2 Apparatus for inspecting slide fastener elements |
| 02/15/1989 | EP0303175A2 Inspection equipment |
| 02/15/1989 | EP0303134A2 Electrode arrangement for supplying current to a furnace in atomic absorption spectroscopy |
| 02/15/1989 | EP0303132A2 Device detecting hemoglobin |
| 02/15/1989 | EP0302977A1 Device for detecting or viewing materials floating in fluids |