| 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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| 03/09/1983 | EP0073467A2 A data compression system for a photometer |
| 03/02/1983 | EP0073140A2 Method and apparatus for inspecting a pattern |
| 03/02/1983 | EP0073056A2 Analysis test stripe and method of making it |
| 03/02/1983 | EP0072821A1 Gas analyser, particularly audiovisual gas detector. |
| 03/01/1983 | US4375384 Method for penetrant inspection employing an etchant penetrant |
| 03/01/1983 | US4375334 Nephelometer |
| 03/01/1983 | US4375163 Method and apparatus for on-column detection in liquid chromatography |
| 03/01/1983 | CA1141986A1 Apparatus for measuring surface reflectance characteristics |
| 03/01/1983 | CA1141985A1 Inspection device |
| 02/23/1983 | EP0072627A2 Fibre optic sensor with bonded dye |
| 02/22/1983 | US4375031 Method and device for measuring a degree of exhaustion of photographic processing solutions |
| 02/22/1983 | US4374620 Photometric flow cell |
| 02/22/1983 | CA1141812A1 Glow discharge lamp for qualitative and quantitative spectrum analysis |
| 02/17/1983 | WO1983000558A1 Radiation detection apparatus |
| 02/17/1983 | WO1983000556A1 Method and device for analyzing coal constitution |
| 02/17/1983 | WO1983000554A1 Electric spark type light source for producing light for spectroscopic analysis |
| 02/17/1983 | WO1983000427A1 Membrane electrode for non-ionic species |
| 02/16/1983 | EP0072236A2 Apparatus for detecting tape on sheets |
| 02/16/1983 | EP0072222A1 Method and apparatus for analyzing the hydrocarbon components of a gas sample by measuring laser beam absorption |
| 02/16/1983 | EP0072185A2 Reflected light measuring apparatus |
| 02/16/1983 | EP0071991A2 Improved fluoro immuno assay system |
| 02/16/1983 | EP0071872A1 Method of detecting and analyzing flaws in a printed circuit board laminate |
| 02/16/1983 | EP0071859A2 Luminescence detection device |
| 02/16/1983 | EP0071650A1 Apparatus for measuring concentration of bilirubin |
| 02/16/1983 | EP0071645A1 Double beam photometer for measuring fluid samples. |
| 02/15/1983 | USRE31150 Apparatus for monitoring chemical reactions and employing moving photometer means |
| 02/15/1983 | USRE31149 Absorption of electromagnetic radiation by liquid samples |
| 02/15/1983 | US4374120 Fluorescence spectroscopy assay means with fluorescent chelate of a lanthanide |
| 02/15/1983 | US4373931 Method of measuring agglutinating reaction and a reaction vessel therefor |
| 02/15/1983 | US4373819 Retroreflectometer giving direct reading |
| 02/15/1983 | US4373818 Method and device for analysis with color identification test paper |
| 02/15/1983 | US4373813 Control of system energy in a single beam spectrophotometer |
| 02/15/1983 | US4373812 Cuvette assembly |
| 02/15/1983 | CA1141198A1 Cuvette with tub-shaped bottom for the optical examination of liquids |
| 02/15/1983 | CA1141193A1 Apparatus and method for measuring the distribution of radiant energy produced in particle investigating systems |
| 02/15/1983 | CA1141192A2 Measurement of refractivity changes |
| 02/15/1983 | CA1141191A1 Forward-scatter visibility meter |
| 02/15/1983 | CA1141190A1 Apparatus for determining the refractive index profile of optical fibres |
| 02/15/1983 | CA1141189A1 Photometric apparatus and method |
| 02/15/1983 | CA1141188A1 Determination of the refractive index of optical fibres |
| 02/09/1983 | EP0071462A1 Method and apparatus for analyzing gems |
| 02/09/1983 | EP0071391A2 Apparatus for monitoring engines |
| 02/09/1983 | EP0071316A1 Apparatus for inspecting a transparent lacquer coating on a metal surface |
| 02/09/1983 | EP0071257A1 Method and device for the inspection of transparent material sheets |
| 02/09/1983 | EP0071202A1 Method and apparatus for optically inspecting a moving web of glass |
| 02/09/1983 | EP0071143A1 Refractometer |
| 02/09/1983 | EP0060868A4 Method for quantitatively determining the level of hemoglobin in a biological sample. |
| 02/08/1983 | US4373137 Radiation detection and receiving in nondispersive infrared gas analyzer |
| 02/08/1983 | US4372915 Fluorescent sulfur dioxide analyzer having an improved sulfur dioxide generator |
| 02/08/1983 | US4372683 Photometer with rotating sample container |
| 02/08/1983 | US4372682 Medical test strip holding device |
| 02/08/1983 | US4372672 Self-triggering quality control sensor |
| 02/08/1983 | US4372149 Laser-excited spectrophone |
| 02/08/1983 | CA1141035A1 Lumber inspection and optimization system |
| 02/08/1983 | CA1140775A1 Whole blood analysis by diffusion techniques |
| 02/08/1983 | CA1140772A1 Absorption cell gas monitor |
| 02/08/1983 | CA1140771A1 Method and apparatus for studying surface properties |
| 02/03/1983 | WO1983000389A1 Method and apparatus for analyzing gems |
| 02/03/1983 | WO1983000388A1 Method and device for the continuous measurement of the absorption of samples |
| 02/03/1983 | WO1983000384A1 Multichannel spectrophotometer |
| 02/03/1983 | WO1983000296A1 Cuvette system for automated chemical analyzer |
| 02/01/1983 | US4371786 Method and apparatus for detecting bubbles in a liquid |
| 02/01/1983 | US4371785 Method and apparatus for detection and analysis of fluids |
| 02/01/1983 | US4371498 Coded cuvette for use in testing apparatus |
| 02/01/1983 | US4371265 Dot percentage measuring device |
| 02/01/1983 | US4371262 Holder for absorption spectrometer atomizing furnace capsules |
| 02/01/1983 | US4371081 Photoelectric sorting device for color sorting apparatus |
| 01/26/1983 | EP0070666A2 Optical inspection system |
| 01/26/1983 | EP0070623A2 Reaction cuvette |
| 01/26/1983 | EP0070621A2 Method and apparatus for inspecting sheets for flaws |
| 01/26/1983 | EP0070610A1 Method of and apparatus for determining the state of ageing of plastics products |
| 01/26/1983 | EP0070523A2 Device fabrication using gas-solid processes |
| 01/25/1983 | US4370558 Film blackening area measuring equipment |
| 01/25/1983 | US4370553 Contaminated sample gas analyzer and gas cell therefor |
| 01/25/1983 | US4370146 Infrared absorption determination of sulfonate surfactants utilizing deuterated sulfonates |
| 01/25/1983 | US4370060 Flame photometric detector analyzer |
| 01/25/1983 | CA1140251A1 Inspection system for detecting defects in regular patterns |
| 01/25/1983 | CA1139962A1 Apparatus to measure select properties of a moving sheet |
| 01/20/1983 | WO1983000257A1 Radiant energy detection apparatus |
| 01/20/1983 | WO1983000229A1 A method of detecting or determining histamine in histamine containing materials, particularly body fluids and an analytical means for use in such method |
| 01/19/1983 | EP0070017A1 Pattern detection system |
| 01/18/1983 | US4368983 Absolute reflectometer |
| 01/18/1983 | US4368982 Retroreflectometer |
| 01/18/1983 | US4368980 Apparatus for detecting an aqueous liquid in bottles and containers |
| 01/18/1983 | CA1139862A1 Apparatus for inspecting translucent articles for faults |
| 01/18/1983 | CA1139702A1 Method and apparatus for on-line monitoring of bitumen content in tar sand |
| 01/18/1983 | CA1139589A1 Fluid sample cell |
| 01/12/1983 | EP0069204A2 Spectrophotometer gas control system |
| 01/11/1983 | US4368047 Uv radiation |
| 01/11/1983 | US4367951 Process and apparatus for the surface analysis of flexible materials |
| 01/11/1983 | US4367950 Combined aerosol monitor and calibrateable light ray scattering reference rod |
| 01/11/1983 | CA1139425A1 Object inspection system |
| 01/11/1983 | CA1139202A1 Simultaneous analysis device |
| 01/11/1983 | CA1139126A2 Apparatus and method for quantitative determination of immunological reactions |
| 01/11/1983 | CA1139124A1 Apparatus for measurement of blood bilirubin concentration |
| 01/11/1983 | CA1139053A1 Disposable diaper type garment having wetness indicator |
| 01/06/1983 | WO1983000047A1 Improved biomedical analysis tray |
| 01/05/1983 | EP0069061A1 Method and device for inspecting web material |
| 01/05/1983 | EP0068910A1 Method and device for the direct continuous analysis of traces of gaseous hydrides |
| 01/05/1983 | EP0068717A2 Apparatus for monitoring chemical reactions |