Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light
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)
06/1982
06/22/1982US4336459 Method and apparatus for detecting fluorescence under ambient light conditions
06/22/1982US4336453 Non-dispersion type infrared analyzer for simultaneously determining plural components
06/22/1982US4335961 Refractive index measurement of optical thin-film
06/22/1982US4335960 Apparatus for detecting the presence of surface irregularities in articles made of transparent material
06/22/1982CA1126363A1 Radiation method and assembly for assessing web parameters
06/16/1982EP0054012A1 Method for preparing a steel sample
06/16/1982EP0054001A1 Method of monitoring the development of micro-organisms
06/16/1982EP0053992A1 Method and device for the optical monitoring of the surface quality of metal goods
06/16/1982EP0053677A1 Non-dispersive infrared gas analyzer
06/15/1982US4335316 Web break detector with adjustable scanning head
06/15/1982US4335073 NOx Conversion efficiency detector
06/15/1982US4334882 Determination of pyrite and siderite content of formation deposits
06/15/1982CA1125884A1 Electronic bottle inspector having particle and liquid detection capabilities
06/15/1982CA1125883A1 Foreign matter detecting device
06/15/1982CA1125633A1 Test strips for analysing dissolved substances
06/10/1982WO1982001948A1 Signal filter method and apparatus
06/10/1982WO1982001941A1 System and process for measuring the concentration of a gas in a flowing stream of gases
06/10/1982WO1982001940A1 Method,apparatus and film strip of particular design for rapid test of a film processor
06/09/1982EP0053527A1 Method and device for the direct continuous analysis of traces of arsine
06/09/1982EP0053349A1 Method and device for the introduction of a sample into a graphite furnace in flameless atomic absorption spectroscopy
06/09/1982EP0053304A1 Method and apparatus for determining and controlling the water rate in wet steam
06/09/1982EP0053289A2 Method and apparatus for photometrically monitoring low level concentration of hydrogen sulfide in alkanol amine
06/09/1982EP0053167A1 Procedure and apparatus for examining the surface quality of solid materials.
06/09/1982EP0053151A1 Optical control method for controlling the quality of transparent articles and apparatus for implementing such method
06/08/1982US4333735 Process and apparatus for measuring gaseous fixed nitrogen species
06/08/1982US4333733 Indicators, analyzing
06/08/1982US4333344 System and method for testing the reaction of rare earth ions
06/08/1982CA1125152A1 Selective determination of viable somatic and microbial cells
06/08/1982CA1125050A1 Apparatus and method for detecting platelets in a whole blood
06/02/1982EP0052813A2 Method for the examination of a moving reflecting or transparent sheet, and device for carrying out said method
06/02/1982EP0052812A2 Method for the detection of defect signals using an integrating differential amplifier
06/02/1982EP0052770A1 Rotor unit with removable segments for a centrifugal analyzer
06/02/1982EP0052769A1 Method for analytical assays and rotor element for carrying out the method
06/01/1982US4333013 Evaluation instrument for phosphate glass dosimeter
06/01/1982US4332833 For semiconductors
06/01/1982US4332770 Apparatus for analyzing the carbon content of metals
06/01/1982US4332606 Ware identifying apparatus for glassware machines and the like
06/01/1982US4332476 Method and apparatus for studying surface properties
06/01/1982US4332471 Cuvette with tub-shaped bottom for the optical examination of liquids
05/1982
05/27/1982WO1982001771A1 A refractometer
05/27/1982WO1982001767A1 Surface roughness gauge and method
05/26/1982EP0052551A2 Refractometer using the limit angle method
05/26/1982EP0052228A1 Non-dispensive infrared gas analyzer
05/25/1982US4331871 Depositing a fluorescent dye on the surface of a workpiece
05/25/1982US4331759 Composition suitable for testing biological tissues and/or liquids, and the method of use
05/25/1982US4331027 Dual-purpose penetrant system
05/25/1982CA1124359A1 Blackening sensor
05/25/1982CA1124358A1 Method and device for inspecting a moving sheet material for streaklike defects
05/25/1982CA1124353A1 Strobed smoke detector
05/25/1982CA1124100A1 Optical measuring apparatus employing a laser
05/19/1982EP0052006A1 Automatic chemical analyzer
05/19/1982EP0051899A1 Apparatus for automatically detecting and evaluating the characteristics of prints
05/18/1982US4330865 Non-destructive test apparatus
05/18/1982US4330779 Display analyzer having angular degrees of freedom
05/18/1982US4330775 Apparatus for inspecting defects in a periodic pattern
05/18/1982US4330712 Inspection apparatus for defects on patterns
05/18/1982US4330208 Process and apparatus for regulating the impact of a light beam on a target
05/18/1982US4330207 Fluorescence spectrophotometer
05/18/1982US4330206 Cuvette for use in optical measurements
05/18/1982US4330205 Optical apparatus for measuring the size and location of optical in an article
05/18/1982CA1123629A1 Antibiotic susceptibility testing
05/18/1982CA1123626A1 On-line monitoring of specific surface of mechanical pulps
05/18/1982CA1123625A1 Method and apparatus for determining oil mist in compressed air
05/12/1982EP0051213A1 Homogeneous specific binding assay device, method for preparing it and analytical method using the device
05/12/1982EP0051152A1 Optical coupling device
05/11/1982US4329591 Method for detecting samples
05/11/1982US4329316 Ejection, quantitative analysis
05/11/1982US4329149 Method for spectrophotometric compensation for colorimetric reagent variation
05/11/1982US4329131 TNT State sensor
05/11/1982US4329062 Polychromatic photometer
05/11/1982US4329061 Turntable device for analyzing chemical substances
05/11/1982CA1123224A1 Apparatus for measuring components of liquid samples
05/11/1982CA1123223A1 Method and apparatus for photometric measurements in the visible and ultraviolet field of biological liquors and other liquids, adapted to prevent systematic errors due to pollution
05/11/1982CA1123222A1 Infrared analyzer
05/05/1982EP0050935A1 Method and apparatus for examining a workpiece
05/05/1982EP0050812A1 Method and apparatus for detecting bubbles in a liquid
05/04/1982US4328488 Flame-detecting apparatus including a field-limiting device
05/04/1982US4327585 Refractometer
05/04/1982CA1122943A1 Cover for rotatable sample tray
05/04/1982CA1122812A1 Gas measuring apparatus with standardization means, and method therefor
05/04/1982CA1122811A1 Method and combination for detecting specific binding substances
04/1982
04/28/1982EP0050557A1 Method and apparatus for detecting flaws in parts, products or manufactured objects
04/28/1982EP0050528A2 Toner concentration monitor
04/28/1982EP0050386A1 Apparatus for densitometric measurement of proteic fractions separated by electrophoresis
04/28/1982EP0050306A2 Fibre-optics measuring instrument
04/27/1982US4327375 Process and apparatus for providing data indicative of the shape of leaf-like article
04/27/1982US4327285 Electron-optical image tubes and streak cameras
04/27/1982US4326808 Method and apparatus for determining physical characteristics of object outer surfaces
04/27/1982US4326807 Photoelectric gas analyzer
04/27/1982US4326806 Copper liquor analyzer
04/27/1982US4326801 Method for emission spectrochemical analysis
04/27/1982CA1122672A1 Method and apparatus for detecting surface defects in a workpiece
04/27/1982CA1122437A1 Breath testing system
04/27/1982CA1122434A1 Gas measuring apparatus with standardization means, and method therefor
04/27/1982CA1122433A1 Method and apparatus for grading fruit
04/27/1982CA1122432A1 Resonant subcavity differential spectrophone
04/27/1982CA1122428A1 Gas measuring apparatus with standardization means
04/21/1982EP0050018A2 Particle agglutination analysing plate
04/21/1982EP0049918A1 Photothermal method for study of light absorption by a sample substance
04/21/1982EP0049850A1 Chromatograph for high-pressure chromatography
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