| 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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| 11/11/1992 | EP0512620A2 X-ray analysis apparatus |
| 11/11/1992 | EP0512535A2 Portable carbon dioxide monitor |
| 11/11/1992 | EP0512368A2 Cuvette for performing optical measurements |
| 11/11/1992 | EP0512334A2 Methods for detecting a target nucleic acid in a sample |
| 11/11/1992 | EP0512204A2 Gas-filled uv spectrometer |
| 11/11/1992 | EP0512111A1 Powder fiber optic probe in nir optical analyzing instrument |
| 11/11/1992 | EP0512014A1 A means and method for measuring and controlling smoke from an internal combustion engine |
| 11/11/1992 | EP0512004A1 Optical inspection method and apparatus. |
| 11/11/1992 | EP0457789B1 Process for rapid testing of the effect of agents on micro-organisms |
| 11/11/1992 | EP0365624B1 Atomic absorption spectrometer |
| 11/11/1992 | CN1019052B Arciform photosensor assembly |
| 11/11/1992 | CN1019051B Photosensor |
| 11/11/1992 | CN1018980B Optical probe and its manufacturing method |
| 11/10/1992 | US5163128 Method and apparatus for generating a multiple tolerance, three state data base for use with automatic optical inspection systems |
| 11/10/1992 | US5163102 Image recognition system with selectively variable brightness and color controlled light source |
| 11/10/1992 | US5162874 Electrophotographic machine having a method and apparatus for measuring toner density by using diffuse electromagnetic energy |
| 11/10/1992 | US5162873 For creating images of the contours of surfaces |
| 11/10/1992 | US5162867 Surface condition inspection method and apparatus using image transfer |
| 11/10/1992 | US5162866 Apparatus and method for inspecting IC leads |
| 11/10/1992 | US5162660 Paper roughness or glass sensor using polarized light reflection |
| 11/10/1992 | US5162658 Thermal detection arrangement having a plurality of optical filter devices |
| 11/10/1992 | US5162654 For the detection of the fluorescence pattern emitted by biological molecules |
| 11/10/1992 | US5162237 Reaction cassette for preforming sequential analytical assays by noncentrifugal and noncapillary manipulations |
| 11/10/1992 | US5162236 To improve accuracy and precision |
| 11/10/1992 | US5162234 Automatic blood cell particle pattern judging method |
| 11/10/1992 | US5161409 Analysis of drilling solids samples |
| 11/10/1992 | CA1310128C On-line texture sensing |
| 11/10/1992 | CA1309877C Optical sensor |
| 11/10/1992 | CA1309876C Method and composition for measuring oxygen concentration |
| 11/09/1992 | WO1992019764A1 Method and apparatus to detect bacterial contamination of transfusable blood |
| 11/09/1992 | CA2086608A1 Method and apparatus to detect bacterial contamination of transfusable blood |
| 11/08/1992 | CA2068112A1 Measuring instrument of the index of refraction of a fluid |
| 11/05/1992 | DE4213775A1 Composting waste organic material |
| 11/05/1992 | DE4114199A1 Temp. or humidity change monitor - holds butting ends of two optical fibres in device sensitive to temp. or humidity change and measures movements between those ends |
| 11/04/1992 | EP0511806A2 Spectrophotometric apparatus |
| 11/04/1992 | EP0511443A1 Optical inspection apparatus |
| 11/04/1992 | CN2121029U Fibre ph gauge |
| 11/04/1992 | CN2121028U Powder sample device with rotable opaque cover |
| 11/04/1992 | CA2067861A1 Labeling of hydrocarbons |
| 11/03/1992 | US5161202 Method of and device for inspecting pattern of printed circuit board |
| 11/03/1992 | US5160981 Method of measuring the reflection density of an image |
| 11/03/1992 | US5160980 Test piece coloration comparative decision unit |
| 11/03/1992 | US5160979 Test piece coloration comparative decision unit |
| 11/03/1992 | US5160974 Closed sample cell for use in flow cytometry |
| 11/03/1992 | US5160973 System for measuring the refractive index profile of optical components |
| 11/03/1992 | US5160843 Apparatus and method for measuring gas concentrations |
| 11/03/1992 | US5160702 Analyzer with improved rotor structure |
| 11/03/1992 | US5160576 Optically detecting intensity change in the CO emission spectra, glow discharge |
| 11/03/1992 | US5159834 Device for optoelectronic interface measurement and refractometry in liquids |
| 10/29/1992 | WO1992018887A1 Compound optical probe employing single optical waveguide |
| 10/29/1992 | WO1992018864A1 Process and device for the in-line nir measurement of pourable foodstuffs |
| 10/29/1992 | WO1992018851A1 Glow discharge chamber and gas flow system for glow discharge emission spectrometer |
| 10/29/1992 | WO1992018850A1 Confocal imaging system for visible and ultraviolet light |
| 10/29/1992 | WO1992018849A1 Concentration measuring apparatus and method |
| 10/29/1992 | WO1992018848A1 A moisture sensor |
| 10/29/1992 | WO1992018847A1 Method and apparatus for determining the concentration of a particular constituent of a fluid |
| 10/29/1992 | WO1992018845A2 Methods of and apparatus for measurement using acousto-optic devices |
| 10/29/1992 | WO1992018832A1 Apparatus and method of calibrating a sensor probe |
| 10/29/1992 | WO1992018359A1 Device for operating a rain detector |
| 10/29/1992 | DE4113404A1 Spark emission spectroscopy of anorganic substances in solution - involves feeding solution into liquid carrier flow, vaporising result and spectrally analysing vapour |
| 10/28/1992 | EP0511184A1 Method and device for infrared analysis, especially with regard to food |
| 10/28/1992 | EP0511131A1 Method for preparation of reference samples for spectral analysis |
| 10/28/1992 | EP0511122A1 Optical transducer suitable to provide information representative of the state of a surface |
| 10/28/1992 | EP0511120A1 Testing device |
| 10/28/1992 | EP0510928A1 An apparatus for inspecting a semiconductor device |
| 10/28/1992 | EP0510856A2 Improvements in or relating to optical gas detectors |
| 10/28/1992 | EP0510846A2 Method and apparatus for measuring prevailing weather and meteorological visibility |
| 10/28/1992 | EP0510728A2 A method for measuring the concentration of carbon dioxide in a medium |
| 10/28/1992 | EP0510721A2 Method and compositions providing enhanced chemiluminescence from 1,2-dioxetanes |
| 10/28/1992 | EP0510377A2 Cuvette for use in making a measurement of a blood parameter and assembly utilizing the same |
| 10/28/1992 | EP0510339A2 Photometrical device for the determination of clotting of blood, blood plasma and similar |
| 10/28/1992 | EP0510296A1 Chemiluminescent lighting element |
| 10/28/1992 | EP0510175A1 Fluorescence assay apparatus. |
| 10/28/1992 | EP0510127A1 Method and apparatus for analytical sample preparation. |
| 10/28/1992 | EP0510064A1 Circular dichroism and spectrophotometric absorption detection methods and apparatus |
| 10/28/1992 | EP0509998A1 Carbon dioxide monitor. |
| 10/28/1992 | EP0427735B1 Microtitration plate and process for the quantitation of the state or changes of state of inhomogeneous samples |
| 10/28/1992 | EP0288496B1 Repetitive pulsed raman cell with vibrating blade gas circulation |
| 10/28/1992 | CN2120336U Photometric titrator |
| 10/28/1992 | CN1018864B Oil radiation spectrum analyzer with microwave plasma |
| 10/28/1992 | CN1018863B Plasma atomizer for atmospheric pressure allowable coupling of atomic absorption and emissive spectrum method |
| 10/28/1992 | CN1018799B Method and apparatus for optically checking appearances of chip-type components |
| 10/27/1992 | US5159412 Optical measurement device with enhanced sensitivity |
| 10/27/1992 | US5159411 Method and apparatus for the detection of a gas using photoacoustic spectroscopy |
| 10/27/1992 | US5159410 Method for in-situ determination of the fermi level in GaAs and similar materials by photoreflectance |
| 10/27/1992 | US5159409 Substrate machining verifier |
| 10/27/1992 | US5159403 Flow cell mechanism in flow imaging cytometer |
| 10/27/1992 | US5159398 Flow imaging cytometer |
| 10/27/1992 | US5159397 Flow imaging cytometer |
| 10/27/1992 | US5159197 Luminescence test and exposure apparatus |
| 10/27/1992 | US5159189 Method and apparatus for measuring the natural color of slivers |
| 10/27/1992 | US5158746 Reacting with controlled amount of yellow phospho measuring in tensity of light emitted |
| 10/27/1992 | US5158720 Monitoring fluorescence with a fiber optic waveguide; controlling cure cycle of resins; forming composite material |
| 10/27/1992 | US5158090 Method and arrangement for depicting structures |
| 10/27/1992 | US5157976 Powder granule sample inspection apparatus |
| 10/27/1992 | US5157961 Apparatus for measuring the relative amount of a liquid in a mixture |
| 10/27/1992 | US5157845 Device for checking linear dimensions of parts |
| 10/27/1992 | CA2066816A1 Optical gas detectors |
| 10/27/1992 | CA1309339C Biological diagnostic assay system |
| 10/27/1992 | CA1309230C Process for nitrogen oxides reduction and minimization of theproduction of other pollutants |