| 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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| 02/04/1982 | WO1982000360A1 Method and equipment for the measurement of properties of aliquid |
| 02/04/1982 | WO1982000359A1 Set of cuvettes |
| 02/04/1982 | WO1982000358A1 Method of measurement and a cuvette |
| 02/04/1982 | WO1982000357A1 Method and apparatus for the measurement of the properties of an agglutination |
| 02/04/1982 | WO1982000356A1 Analyzer |
| 02/04/1982 | WO1982000355A1 Method and apparatus for the measurement of the properties of an agglutination |
| 02/04/1982 | WO1982000354A1 Method and apparatus for the measurement of the properties of an agglutination |
| 02/03/1982 | EP0045247A1 Apparatus for the automatic preparation of samples for analysing |
| 02/02/1982 | US4313735 Automatic chemical analyzing method and apparatus |
| 02/02/1982 | CA1117642A1 Method and apparatus for improved optoacoustic spectroscopy |
| 02/02/1982 | CA1117483A1 Pressurizing light inspecting and sorting of can bodies |
| 02/02/1982 | CA1117310A1 Parabolic cell analyzer |
| 01/27/1982 | EP0044775A1 Dry analytical element having a reaction zone and a reagent zone |
| 01/27/1982 | EP0044589A2 Installation for measuring the maximum visual distance in the fog |
| 01/27/1982 | EP0044388A2 Method for the determination of one or more parameters in samples |
| 01/26/1982 | US4313057 Ultrasensitive trace element analyzer |
| 01/26/1982 | US4312732 Method for the optical monitoring of plasma discharge processing operations |
| 01/26/1982 | US4312728 Method for determining boundary points on electrophoretic densitograms |
| 01/26/1982 | US4312593 Direct readout apparatus for measuring light transmitted through liquids |
| 01/26/1982 | US4312591 Apparatus for automatically transporting liquid samples to an analyzer |
| 01/26/1982 | CA1116987A1 Process and apparatus for measuring the concentration of gaseous oxygen, carbon monoxide and carbon dioxide in gaseous or liquid samples, in particular in breath and blood samples |
| 01/21/1982 | WO1982000201A1 Gas mixing apparatus for metastable transfer emission spectroscopy |
| 01/20/1982 | EP0044014A1 Photoelectric sorting device for color sorting apparatus |
| 01/20/1982 | EP0043893A1 Regulation of the plating solution in a plating bath |
| 01/19/1982 | US4311664 Flame-photometric detector burner of gas chromatograph |
| 01/19/1982 | US4311556 Method and system for inspection of inside of nuclear reactor vessel |
| 01/19/1982 | US4311485 Method and apparatus for photometrically monitoring the concentrations of both chlorine and chlorine dioxide |
| 01/19/1982 | US4311394 Automatic analytical apparatus |
| 01/19/1982 | US4311393 Apparatus for determining the reflectivity of the surface of a measured object |
| 01/19/1982 | US4311388 Visibility measuring device |
| 01/19/1982 | US4311387 Flow-through sample cell and collecting and illuminating optics for liquid chromatography |
| 01/19/1982 | US4311358 Illumination device for fluorescence microscopes |
| 01/19/1982 | CA1116435A1 Apparatus and method for measuring the consistency of a pulp suspension |
| 01/19/1982 | CA1116430A1 Apparatus for monitoring chemical reactions and employing moving photometer means |
| 01/13/1982 | EP0043522A1 Refractometer |
| 01/12/1982 | USRE30845 Apparatus for automatically measuring the light transmission factor or liquid test samples |
| 01/12/1982 | US4310763 Electro-optical analyzer for measuring percentage by weight of fat, protein and lactose in milk |
| 01/12/1982 | US4310762 Calorimetric trace analysis by laser induced thermal lens method |
| 01/12/1982 | US4310758 Method for evaluating moisture tensions of soils using spectral data |
| 01/12/1982 | US4310250 Apparatus for monitoring for faults in translucent strip material |
| 01/12/1982 | US4310249 Spectrophotometer |
| 01/12/1982 | US4310242 Field test unit for windscreen optical evaluation |
| 01/12/1982 | US4310047 Temperature controller |
| 01/12/1982 | CA1116247A1 Plasma jet device and method of operating same |
| 01/12/1982 | CA1116079A2 Immunoassay with fluorescent label excited by luminescent reaction |
| 01/12/1982 | CA1116060A1 Method and reagent for bioluminiscence |
| 01/12/1982 | CA1115945A1 Moire interference alignment device provided with mirrors |
| 01/12/1982 | CA1115934A1 Apparatus for the control and regulation of vesicular sulphuric acid concentration by in situ, continuous measure of said acid in a process for the preparation of sulphuric acid |
| 01/07/1982 | WO1982000057A1 Instantaneous rate kinetic method for determining total protein in cerebrospinal fluid |
| 01/06/1982 | EP0043330A1 System for standardizing the monitoring of a liquid contained in a transparent container |
| 01/06/1982 | EP0043042A1 Device for colorimetrically measuring gaseous traces |
| 01/05/1982 | US4309384 Chemical analysis cuvette |
| 01/05/1982 | US4309187 Spectrum analysis of fluorescence resulting from transfer of energy from excited nitrogen |
| 01/05/1982 | US4309112 Rate measurement analyzer |
| 01/05/1982 | US4309110 Method and apparatus for measuring the quantities which characterize the optical properties of substances |
| 01/05/1982 | CA1115554A1 Automated path differencing system |
| 01/05/1982 | CA1115547A1 Optical detector |
| 01/05/1982 | CA1115546A1 Apparatus and method for determining the concentration in a sample |
| 01/05/1982 | CA1115545A1 Spectrophotometer |
| 01/05/1982 | CA1115543A1 Photometer apparatus |
| 12/29/1981 | US4308531 Light transmission type smoke detector |
| 12/29/1981 | US4308231 Optical timing and A/D conversion method and apparatus |
| 12/29/1981 | CA1115377A1 Smoke detector |
| 12/29/1981 | CA1115182A1 Method of reducing scattered light during photometric measurement, especially photometric measurement of haemoglobin and reagent for performance of the method |
| 12/24/1981 | WO1981003706A1 Optical control method for controlling the quality of transparent articles and apparatus for implementing such method |
| 12/24/1981 | WO1981003705A1 Continuous,rotary empty can photoinspecting apparatus |
| 12/24/1981 | WO1981003704A1 Procedure for examining the surface quality of materials in solid state of aggregation,and means for carrying out the procedure |
| 12/23/1981 | EP0042361A1 Method and device for machine identification of gem stones |
| 12/23/1981 | EP0041952A1 Danger detection device with detector. |
| 12/22/1981 | US4306877 Optical measurement of concentration |
| 12/22/1981 | US4306813 Apparatus for determining faults in strip material |
| 12/22/1981 | US4306810 Apparatuses and method for paleocurrent direction determination using reflected light |
| 12/22/1981 | US4306809 Polarimeter |
| 12/22/1981 | US4306808 Glass flaw inspection system |
| 12/22/1981 | US4306805 Refractometric device |
| 12/22/1981 | CA1114796A1 Dental plaque disclosing light and method |
| 12/22/1981 | CA1114641A1 Apparatus for measuring the concentration of gases |
| 12/22/1981 | CA1114640A2 Apparatus and process for rapidly characterizing and differentiating large cells |
| 12/16/1981 | EP0041764A1 Method and apparatus for detecting fluorescence under ambient light conditions |
| 12/15/1981 | US4306230 Self-checking photoelectric smoke detector |
| 12/15/1981 | US4306153 Nondispersive infrared gas analyzer |
| 12/15/1981 | US4306152 Optical fluid analyzer |
| 12/15/1981 | US4306151 Method of measuring the amount of substance associated with a material in the presence of a contaminant |
| 12/15/1981 | US4305723 Apparatus and method for absorbance measurement and data generation |
| 12/15/1981 | US4305665 Nephelometer and nephelometer method for assaying immunochemical complex |
| 12/15/1981 | US4305661 Method and apparatus for determining physical characteristics of objects and object surfaces |
| 12/15/1981 | US4305660 Recording transmission and emission spectra |
| 12/15/1981 | US4305659 Photometric apparatus and method |
| 12/15/1981 | US4305658 Moving object inspection system |
| 12/15/1981 | US4305398 Eye fundus oximeter |
| 12/15/1981 | CA1114192A1 Window transmittance tester |
| 12/15/1981 | CA1114191A1 Nickel carbonyl analyzer |
| 12/09/1981 | EP0041391A1 Method and system for examining a gem stone |
| 12/09/1981 | EP0041348A2 A method of assessing the colour in diamonds and other gems |
| 12/08/1981 | US4305097 Automated opto-electronic test system for quality control of two-dimensional elements with high geometric figure density |
| 12/08/1981 | US4304996 Water sterilizer and organic matter measurement instrument |
| 12/08/1981 | US4304578 Water separator for a gas analyzer |
| 12/08/1981 | US4304490 Spectrophotometer |
| 12/08/1981 | US4304488 Blood oxygen analyzer |
| 12/08/1981 | CA1113844A1 Chemiluminescent method and apparatus for the detection of ozone |