| 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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| 01/21/1992 | US5082632 Reaction vessel |
| 01/21/1992 | US5082630 For illegal drugs |
| 01/21/1992 | US5082629 Thin-film spectroscopic sensor |
| 01/21/1992 | US5082628 Luminometer |
| 01/21/1992 | US5082588 Optical and capacitance type, phase transition, humidity-responsive devices |
| 01/21/1992 | US5082529 Color measurement and control of a sheet material |
| 01/21/1992 | US5082516 Process for producing chemical analytical slide |
| 01/21/1992 | US5082371 Method and apparatus for measuring entrained air in concrete |
| 01/21/1992 | US5082367 Arrangement of probes |
| 01/21/1992 | US5081998 Optically stabilized infrared energy detector |
| 01/21/1992 | CA1294698C Frame assembly for a photocell-type smoke detector |
| 01/21/1992 | CA1294610C Fluorescent substance, process for producing thereof and cell-discriminating agent containing the same |
| 01/19/1992 | WO1992001966A1 Confocal scanning optical microscope |
| 01/19/1992 | CA2087443A1 Confocal scanning optical microscope |
| 01/19/1992 | CA2047074A1 Optical long-path gas monitoring apparatus |
| 01/17/1992 | WO1992009877A2 Ftir remote sensor apparatus and method |
| 01/17/1992 | WO1992002001A1 Method and apparatus for measuring crimp frequency of a web |
| 01/17/1992 | CA2087040A1 Method and apparatus for measuring crimp frequency of a web |
| 01/16/1992 | DE4022083A1 Reducing interference level during continuous optical measuring - introducing intermediate optic in sample chamber of single beam appts. to produce image dependent on investigated medium |
| 01/16/1992 | DE4021855A1 Cuvette for infrared spectroscopy of pastes or solids - adjusted in depth by spacer polished plates with telescopic guides, for improved measurement |
| 01/16/1992 | DE4021854A1 Heatable cuvette for paste or solid spectroscopy - comprises sample cup in medium-circulated thermostat block with flow channel, for improved measurement |
| 01/15/1992 | EP0466679A1 Method for measuring physical parameters of drops in a vaporized fluid and apparatus for this method |
| 01/15/1992 | EP0466490A2 Fibre optic interrogation system |
| 01/15/1992 | EP0466474A1 Identification of materials and products |
| 01/15/1992 | EP0466226A1 Method for determining the surface weight of conversion layers |
| 01/15/1992 | EP0466119A2 Apparatus and method for checking documents |
| 01/15/1992 | EP0466013A2 Method of and device for inspecting pattern of printed circuit board |
| 01/15/1992 | EP0465842A2 Method and apparatus for measuring the interlacing degree of a multi-filament yarn |
| 01/15/1992 | EP0465718A2 Pyrolytic sampling cell |
| 01/15/1992 | EP0465534A1 Method and apparatus for the identification of particles. |
| 01/15/1992 | EP0465478A1 Real-time lumber grading process and system |
| 01/15/1992 | EP0419517A4 Interferometric imaging system |
| 01/15/1992 | EP0411068A4 Assayomate |
| 01/15/1992 | EP0346387A4 Improved automatic atomic-absorption spectrometer |
| 01/15/1992 | EP0305439B1 Polymer-coated optical structures |
| 01/15/1992 | CN2093395U Photoelectric type turbidimeter |
| 01/15/1992 | CN1057905A Atomic absorption portable mercury measuring instrument |
| 01/15/1992 | CN1057904A Light filtering ammonia sensitive optical fibre sensor |
| 01/14/1992 | US5081687 Method and apparatus for testing LCD panel array prior to shorting bar removal |
| 01/14/1992 | US5081491 Toner maintenance subsystem for a printing machine |
| 01/14/1992 | US5081397 Atmospheric pressure capacitively coupled plasma atomizer for atomic absorption and source for atomic emission spectroscopy |
| 01/14/1992 | US5081043 Spectrometric analysis of fluorination products |
| 01/14/1992 | US5081042 Ionic component sensor and method for making and using same |
| 01/14/1992 | US5081041 Ionic component sensor and method for making and using same |
| 01/14/1992 | US5081038 Colorimetric analysis |
| 01/14/1992 | US5081012 Waveguide sensor with input and reflecting gratings and its use in immunoassay |
| 01/14/1992 | US5080865 One-way measuring element |
| 01/14/1992 | US5080494 Method and apparatus for measurement of dewpoint of gases |
| 01/14/1992 | US5080485 Method for determining the concentration by means of atomic absorption spectroscopy |
| 01/14/1992 | US5080098 Non-invasive sensor |
| 01/14/1992 | CA2046812A1 Transparent container inspection system |
| 01/14/1992 | CA1294151C Mixing ratio sensor for liquid fuel |
| 01/14/1992 | CA1294150C Sensor for mixing ratio of gasoline and alcohol or the like |
| 01/14/1992 | CA1294149C Sensor for mixing ratio of gasoline and alcohol |
| 01/14/1992 | CA1294148C Method for light transmission measurement and apparatus for the implementation of the method |
| 01/09/1992 | WO1992000522A1 Method for monitoring at least one process related to the curdling of milk, and device for implementing same |
| 01/09/1992 | WO1992000517A1 Illumination system for high speed surface inspection of rolled aluminum sheet |
| 01/09/1992 | WO1992000514A1 Modular scatterometer with interchangeable scanning heads |
| 01/09/1992 | WO1992000509A1 Spectrometers |
| 01/09/1992 | WO1992000388A1 Detection of analytes using fluorescent energy transfer |
| 01/09/1992 | WO1991014173A3 Web inspection system |
| 01/09/1992 | WO1991014157A3 Acousto-optic tunable double-beam spectrometer |
| 01/09/1992 | DE4120289A1 Evaluating brightness and clearness of colour film - by projecting light and dark pattern onto it and evaluating pattern disturbances in local frequency regions |
| 01/09/1992 | DE4021556A1 Concn. measuring arrangement for gaseous and/or vapour components - uses substance causing colour reaction in test tube, opto-electronic and/or visual detection |
| 01/09/1992 | DE4021487A1 Optical monitor for cylindrical bodies - has upper mirror wedge and lower ring mirror to give reflected light for sensor |
| 01/08/1992 | EP0465400A2 Device for measuring the relative amount of a liquid in a mixture |
| 01/08/1992 | EP0465233A2 Vision inspection systems |
| 01/08/1992 | EP0465082A2 Apparatus and method for transient thermal infrared spectrometry |
| 01/08/1992 | EP0464902A1 Optoacoustic cell for measuring concentrations of chemical species in fluids in general |
| 01/08/1992 | EP0464824A2 Method and implement for observing or photographing GEM such as diamond |
| 01/08/1992 | EP0464798A2 A method of measuring the nonlinear refractive index cofficient of a bistable resonant cavity optical component |
| 01/08/1992 | EP0464793A2 Liquid content detecting apparatus and method |
| 01/08/1992 | EP0464495A1 Method and equipment for measuring absorption of light scattering materials |
| 01/08/1992 | EP0464337A2 Measurement of size and refractive index of particles using the complex forward-scattered electromagnetic field |
| 01/08/1992 | EP0464120A1 Assay method using surface plasmon resonance spectrometry. |
| 01/08/1992 | EP0464119A1 Assay method using surface plasmon resonance spectrometry. |
| 01/08/1992 | EP0464048A1 Particulate detecting and optical coupling arrangements. |
| 01/08/1992 | EP0357625B1 Assay apparatus and use thereof |
| 01/08/1992 | EP0318501B1 Methods of discriminating between contaminated and uncontaminated containers |
| 01/08/1992 | CN1057718A On-line material dectecting and sorting system |
| 01/07/1992 | USRE33789 Monitoring technology |
| 01/07/1992 | US5079434 Optical scanning appartaus for seeking faults on moving material webs |
| 01/07/1992 | US5079422 Fire detection system using spatially cooperative multi-sensor input technique |
| 01/07/1992 | US5078501 Method and apparatus for optically evaluating the conformance of unknown objects to predetermined characteristics |
| 01/07/1992 | US5078497 Densitometer for a liquid developer material |
| 01/07/1992 | US5078494 Glow discharge chamber and gas flow system for glow discharge emission spectrometer |
| 01/07/1992 | US5078493 Flow cell resistant to corrosive environments for fiber optic spectroscopy |
| 01/07/1992 | US5078492 Test wafer for an optical scanner |
| 01/07/1992 | US5078489 Method and apparatus for measuring optical attenuation of an optical medium |
| 01/07/1992 | US5078488 Method and apparatus for determining refractive index distribution |
| 01/07/1992 | CA2046389A1 Method and implement for observing or photographing gem such as diamond |
| 01/02/1992 | EP0463960A1 Colour analyzer |
| 01/02/1992 | EP0463940A1 Process and apparatus for measuring the optical quality of a glass sheet |
| 01/02/1992 | EP0463938A1 Device for the photothermal inspection of thin materials |
| 01/02/1992 | EP0463570A1 Detection of HIV infection by bioluminescence |
| 01/02/1992 | EP0463562A1 Closed sample cell for use in flow cytometry |
| 01/02/1992 | EP0463166A1 Device for measuring gas optical density |
| 01/02/1992 | EP0463128A1 Device for photo-electrically monitoring a moving yarn. |
| 01/02/1992 | EP0463019A1 A method for distinguishing overlapping absorption bands of an infrared spectrum from one another. |
| 01/02/1992 | EP0403496A4 Container for liquid observed for impurities |