| 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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| 09/16/1992 | EP0503011A1 Process for determining the concentration of substances, device for implementing the process, use of the process for changing the concentration of a substance contained in the fluid and plant therefor |
| 09/16/1992 | EP0502843A1 Process and apparatus for the detection of sulfur |
| 09/16/1992 | EP0441894A4 Electrochemiluminescent reaction utilizing amine-derived reductant |
| 09/16/1992 | CN2116212U Portable turbidimeter |
| 09/16/1992 | CN1064560A In bundle foreign object search and retrieval apparatus |
| 09/16/1992 | CN1064547A Spectroscopic analysis method and analyzing system |
| 09/16/1992 | CN1064545A Photodensitometer of fluorescence picture |
| 09/16/1992 | CA2062338A1 Electronic control cartridge and method of simulating light transmission patterns |
| 09/15/1992 | US5148375 Soldering appearance inspection apparatus |
| 09/15/1992 | US5148234 Method and device for analyzing samples by means of atomic absorption spectroscopy |
| 09/15/1992 | US5148233 Optical attenuator and optical power meter calibration systems with optical-pulse conversion and averaging |
| 09/15/1992 | US5148217 Electrostatographic copier/printer densitometer insensitive to power supply variations |
| 09/15/1992 | US5148041 For measuring the reflection of light from a surface |
| 09/15/1992 | US5148031 Device for obtaining spatial and time characteristics of a weak optical radiation from an object |
| 09/15/1992 | US5147806 Method and apparatus for conducting electrochemiluminescence measurements |
| 09/15/1992 | US5147611 Optical and pyrolyzate analyzer apparatus |
| 09/15/1992 | US5147606 Self-metering fluid analysis device |
| 09/15/1992 | US5147047 For surface defects |
| 09/15/1992 | CA1307480C Prolonged chemiluminescence |
| 09/15/1992 | CA1307445C Measurement of alkali ion concentration |
| 09/09/1992 | EP0502752A1 Spectroscopic apparatus |
| 09/09/1992 | EP0502717A1 Photoplethysmographics using phase-division multiplexing |
| 09/09/1992 | EP0502638A2 Automated analyzer |
| 09/09/1992 | EP0502495A1 Automatic spectrophotometer calibration system |
| 09/09/1992 | EP0502182A1 Optical immunoassay |
| 09/09/1992 | EP0502168A1 Method and apparatus for measuring fibre flexibility. |
| 09/09/1992 | EP0502126A1 Cuvette and linear drive mechanism therefor |
| 09/09/1992 | EP0502121A1 Process and apparatus for simultaneous measurement of sulfur and non-sulfur containing compounds |
| 09/09/1992 | EP0502103A1 Direct fibrinogen assay |
| 09/09/1992 | EP0502041A1 A method and apparatus for detecting bark and for determining the degree of barking on wood and chips. |
| 09/09/1992 | EP0501955A1 Selective detection of vapors |
| 09/09/1992 | EP0456637A4 Phase modulated spectrophotometry |
| 09/09/1992 | EP0445210A4 Method and apparatus for identifying causes of repeatability problems in near infrared analytical instruments |
| 09/09/1992 | CN1018199B Water-soluble display agent of fluorescence permeation test |
| 09/08/1992 | US5146510 Methods and apparatus for optically determining the acceptability of products |
| 09/08/1992 | US5146413 Method for the determinate evaluation of a chemistry analyzer's combined diluting and analyzing systems |
| 09/08/1992 | US5146311 Method of indentifying and quantifying oxides on rolled metal strip |
| 09/08/1992 | US5146294 Process and device for measuring isotope ratios |
| 09/08/1992 | US5146288 For determining whether a pearl is natural |
| 09/08/1992 | US5146283 Spectrophotometer sample cell |
| 09/08/1992 | US5146282 Process and device for measuring the optical quality of a glazing |
| 09/08/1992 | US5146101 Lead inspection and straightener apparatus and method with scanning |
| 09/08/1992 | US5146097 Method for measuring gloss profile |
| 09/08/1992 | US5146092 Gas analysis transducers with electromagnetic energy detector units |
| 09/08/1992 | US5146087 Imaging process with infrared sensitive transparent receiver sheets |
| 09/08/1992 | US5145785 Determination of aromatics in hydrocarbons by near infrared spectroscopy and calibration therefor |
| 09/08/1992 | US5145772 Chemiluminescence enhancement of enzyme-activated decomposition of enzymatically cleavable chemiluminescent 1,2-dioxetanes |
| 09/08/1992 | US5145493 Molecular restricter |
| 09/08/1992 | US5144951 Apparatus for measuring biopermeability |
| 09/08/1992 | CA2061352A1 Automatic spectrophotometer calibration system |
| 09/08/1992 | CA1307204C Compositions containing chlorine dioxide and their preparation |
| 09/06/1992 | CA2062270A1 Photoplethysmographics using phase-division multiplexing |
| 09/03/1992 | WO1992015009A1 Method of analyzing electrochemiluminescent substance and apparatus therefor |
| 09/03/1992 | WO1992015008A1 Systems and methods of molecular spectroscopy to provide for the diagnosis of tissue |
| 09/03/1992 | WO1992015007A1 Device for detecting oil pollution |
| 09/03/1992 | WO1992014812A1 Method and apparatus for screening microscopic cells utilizing polarized light scatter techniques |
| 09/03/1992 | WO1992014556A1 Classifying or sorting |
| 09/03/1992 | DE4106548A1 Wire probe as sub-microscopic transceiver EM radiation - is of length one or more times wavelength of light used with curved spike at one end and leading to light conductive structure at other end |
| 09/03/1992 | CA2497575A1 Systems and methods of molecular spectroscopy to provide for the diagnosis of tissue |
| 09/02/1992 | EP0501784A2 Method and apparatus for optically determining the acceptability of products |
| 09/02/1992 | EP0501783A2 Speakerphone with serial port interface |
| 09/02/1992 | EP0501683A2 Technique for enhanced two-dimensional imaging |
| 09/02/1992 | EP0501648A2 In bundle foreign object search and retrieval apparatus |
| 09/02/1992 | EP0501480A2 Analysis of tin, lead or tin-lead alloy plating solution |
| 09/02/1992 | EP0501476A2 Spectroscopic analysis method and analyzing system |
| 09/02/1992 | EP0501390A1 Device and method for determining visibility conditions on roads |
| 09/02/1992 | EP0501307A2 Method for amino acid sequence analysis |
| 09/02/1992 | EP0501283A2 Optical organism measuring apparatus |
| 09/02/1992 | EP0501008A2 Flow imaging cytometer |
| 09/02/1992 | EP0501007A2 Flow imaging cytometer |
| 09/02/1992 | EP0501006A2 Flow imaging cytometer |
| 09/02/1992 | EP0501005A2 Flow imaging cytometer |
| 09/02/1992 | EP0500779A1 4,7-dichlorofluorescein dyes as molecular probes |
| 09/02/1992 | EP0500717A1 Two-photon laser scanning microscopy |
| 09/02/1992 | EP0500611A1 Analytical device and methods. |
| 09/02/1992 | EP0496731A4 Method and apparatus for conducting electrochemiluminescent measurements |
| 09/02/1992 | CN2114826U Photoelectric quick cocoon testing device |
| 09/02/1992 | CN2114463U Infusion particle detector |
| 09/02/1992 | CN1064152A Automatic analyzer for urine |
| 09/02/1992 | CN1064151A Raman spectrum method for testing low-refractivity liquid sample with optical fibre |
| 09/01/1992 | US5144566 Method for determining the quality of print using pixel intensity level frequency distributions |
| 09/01/1992 | US5144524 Light trap for blocking reflection and scattering of light |
| 09/01/1992 | US5144374 Optical spectroscopy system |
| 09/01/1992 | US5144151 Apparatus and method for detecting the presence of a discontinuity on a glass surface |
| 09/01/1992 | US5144139 Detection and measurement of particle coagulation using light beams, for medical diagnosis |
| 09/01/1992 | US5144132 Method of and device for compensating for reading-position error of image sensor |
| 09/01/1992 | US5144124 Glass container inspection machine with plot display of container and light intensity |
| 09/01/1992 | US5143854 Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof |
| 09/01/1992 | US5143853 Absorbance modulated fluorescence detection methods and sensors |
| 09/01/1992 | US5143224 Method and apparatus for separating diamonds from associated gangue |
| 09/01/1992 | US5143212 Gemstone color communication kits |
| 09/01/1992 | US5143066 Porous membrane, reflective surface, dye-labeled solution of analog-analyte, receptor material capable of chemically binding with analyte and analog-analyte |
| 09/01/1992 | CA1307036C Method for discriminating authenticity of a bill and an apparatus therefor |
| 09/01/1992 | CA1306931C Method of detecting carboxylic acids in a specimen |
| 08/28/1992 | CA2050762A1 Flow imaging cytometer |
| 08/28/1992 | CA2050761A1 Flow imaging cytometer |
| 08/28/1992 | CA2050760A1 Flow imaging cytometer |
| 08/28/1992 | CA2050758A1 Flow imaging cytometer |
| 08/27/1992 | DE4204279A1 Determining glass fogging capability of substances - useful for testing plastics for use in vehicle passenger compartments |
| 08/27/1992 | DE4105807A1 Ventilator fan switch for cooker hood - evaluates signal from infrared receiver detecting radiation from transmitter reflected to it from steam collecting under hood |