| 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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| 09/27/1988 | US4774417 Method and device for determining the quantity of dispersed solid material in a liquid |
| 09/27/1988 | US4774057 Dual liquid dispenser package |
| 09/27/1988 | US4774055 Automatic analysis apparatus |
| 09/27/1988 | US4773755 Method and apparatus for determining the zero line in atomic absorption spectrometers |
| 09/27/1988 | CA1242343A1 Light absorbers |
| 09/27/1988 | CA1242336A1 Sight tube for monitoring of fluids |
| 09/22/1988 | WO1988007213A1 Method for detecting diamonds in remote locations |
| 09/22/1988 | WO1988007210A1 Apparatus and method for locating the direction of an atomic beam |
| 09/22/1988 | WO1988007203A1 Polymer-coated optical structures |
| 09/22/1988 | WO1988007202A1 Improved assay technique and apparatus therefor |
| 09/22/1988 | WO1988007198A1 Multi-part differential analyzing apparatus utilizing light scatter techniques |
| 09/22/1988 | WO1988007190A1 Optical inspection system for cylindrical objects |
| 09/22/1988 | WO1988007189A1 Diamond mapping |
| 09/22/1988 | WO1988007179A1 Dynamic light scattering apparatus |
| 09/22/1988 | WO1988006834A3 Direct injection rf torch |
| 09/22/1988 | DE3707622A1 Method and device for measuring low gas concentrations |
| 09/21/1988 | EP0283426A2 Electronical refractometer |
| 09/21/1988 | EP0283289A2 Excitation and detection apparatus for remote sensor connected by optical fiber |
| 09/21/1988 | EP0283285A2 Method and apparatus for monitoring analytes in fluids |
| 09/21/1988 | EP0283116A2 Sensor system |
| 09/21/1988 | EP0283047A2 Method and device for contactless aquisition of data for the spatial resolution of density and temperature in a volume sample |
| 09/21/1988 | EP0282925A2 SO2 gas analyzer |
| 09/21/1988 | EP0282627A2 Non destructive method for examining flaws in workpieces using the magnetic powder method or the dye penetration method |
| 09/21/1988 | EP0282505A1 Method and apparatus for determining the level of an analyte in a sample of whole blood |
| 09/21/1988 | CN87216290U Three-purpose tester for atomic absorption, high-speed liquid chromatography spectrophotometer |
| 09/20/1988 | US4773097 Image analyzing apparatus |
| 09/20/1988 | US4772790 Non-dispersive optical gas analyzer |
| 09/20/1988 | US4772707 Certain N,N'-dipyridine copper or manganese complexes |
| 09/20/1988 | US4772561 Test device and method of determining concentration of a sample component |
| 09/20/1988 | US4772453 Luminiscence measurement arrangement |
| 09/20/1988 | US4772127 Surface inspection apparatus |
| 09/20/1988 | US4772126 Particle detection method and apparatus |
| 09/20/1988 | US4772125 Apparatus and method for inspecting soldered portions |
| 09/20/1988 | US4772092 Crack detection arrangement utilizing optical fibres as reinforcement fibres |
| 09/20/1988 | US4771629 System for chemical analysis |
| 09/20/1988 | CA1242094A1 Method and apparatus for enhanced detection of electromagnetic signals |
| 09/15/1988 | DE3806558A1 Method for cell measurement |
| 09/15/1988 | DE3743785A1 Method of evaporating sample solutions in tubular atomisation devices |
| 09/14/1988 | EP0282414A2 Chopper wheel alignment device |
| 09/14/1988 | EP0282295A2 Internal Combustion engine control |
| 09/14/1988 | EP0282234A1 Optoacoustic Spectroscopy |
| 09/14/1988 | EP0282009A2 Fibre-optic detector for oils and solvents |
| 09/14/1988 | EP0281963A2 Ultraviolet fluorescent analyzer |
| 09/14/1988 | EP0281829A2 Adducts of ketonic compounds with the anions of oxygenated acids, process for their preparation, their use and azo ketonic compounds |
| 09/14/1988 | EP0281582A1 System for sensing ions in aqueous solution. |
| 09/14/1988 | EP0108804B1 Non-dispersive infrared gas analyzer |
| 09/14/1988 | CN88100938A Method of optical determination for apparatus of automatic analysis and their apparatus |
| 09/13/1988 | US4771468 System for automatic inspection of periodic patterns |
| 09/13/1988 | US4771215 Electrode controls electrochemically concentration of reactant |
| 09/13/1988 | US4771181 Method for detecting dripping droplet with refracted and reflected light |
| 09/13/1988 | US4771176 Method for quantitative analysis of hydrocarbon |
| 09/13/1988 | US4771006 Optrode for sensing hydrocarbons |
| 09/13/1988 | US4770538 Chopper wheel alignment device |
| 09/13/1988 | US4770536 Of a specimen |
| 09/13/1988 | US4770530 Remote spectrophotometer |
| 09/13/1988 | US4770179 Calibrated optical oximeter probe |
| 09/13/1988 | US4770129 Sensor for mixing ratio of gasoline and alcohol |
| 09/13/1988 | CA1242032A1 Method of and apparatus for discriminating sharp edge transitions produced during optical scanning of differently reflective regions |
| 09/08/1988 | DE3706458A1 Device for investigating chemical substances and their clouding by impurities with the aid of light |
| 09/07/1988 | WO1988006834A2 Direct injection rf torch |
| 09/07/1988 | WO1988006727A1 Portable and autonomous instrument for analyzing a gaseous composition by means of flame spectrophotometry |
| 09/07/1988 | WO1988006726A1 In vivo blood testing |
| 09/07/1988 | WO1988006725A1 Clinical gas monitoring |
| 09/07/1988 | WO1988006718A1 Atmospheric optical calibration system |
| 09/07/1988 | WO1988006487A1 Process for nitrogen oxides reduction with minimization of the production of other pollutants |
| 09/07/1988 | EP0281337A2 A detector device for mixing ratio for petrol and alcohol or the like |
| 09/07/1988 | EP0281221A2 Atomic absorption analysis apparatus |
| 09/07/1988 | EP0281037A2 Method of measuring oxygen in silicon |
| 09/07/1988 | EP0280986A1 Tissue metalbolism measuring apparatus |
| 09/07/1988 | EP0140886B1 Film badge for determining carbonyl compounds |
| 09/07/1988 | EP0120850B1 Method for determining structures exhibiting low hydrogen embrittlement |
| 09/07/1988 | CN87101666A Rapid determination of asphaltene content and device therefor |
| 09/06/1988 | US4769550 Dual scattering-type smoke detector with cross-checking |
| 09/06/1988 | US4769544 For determining a property |
| 09/06/1988 | US4769467 Fluorogenic 2,1,3-benzoxadiazoles and fluorometric amine/thiol assays therewith |
| 09/06/1988 | US4768879 Method for measuring the size of objects in a fluid medium |
| 09/06/1988 | US4768878 Test arrangement for non-contacting identification of defects in non-structured surfaces |
| 09/06/1988 | US4768513 Method and device for measuring and processing light |
| 09/06/1988 | US4768390 Instrument for measuring the photosynthetic activities of plants |
| 09/06/1988 | CA1241721A1 Panel surface flaw inspection |
| 08/31/1988 | EP0280418A1 Method and apparatus for examining the interior of semi-opaque objects |
| 08/31/1988 | EP0280329A2 Chromatic dispersion measuring system for optical fibers |
| 08/31/1988 | EP0280328A2 Chromatic dispersion measuring system for optical fibers |
| 08/31/1988 | EP0279840A1 Optical analysis. |
| 08/31/1988 | EP0279836A1 Opto-electronic detector |
| 08/31/1988 | EP0279823A1 Device for continually measuring the turbidity of a liquid |
| 08/30/1988 | US4768090 Surveillance device using video camera |
| 08/30/1988 | US4767935 System and method for measurement of traveling webs |
| 08/30/1988 | US4767924 Apparatus for optical monitoring with a high pressure lamp connected to a fiber optic cable |
| 08/30/1988 | US4767719 Assay apparatus having piezoelectric slab generating effective diffraction grating in applied analyte-specific film |
| 08/30/1988 | US4767717 Electromagnetic waves |
| 08/30/1988 | US4767716 Method of performing automatic chemical analysis |
| 08/30/1988 | US4767660 Multilayer-etching resistant shading layer, then shading layer soluble by etchant |
| 08/30/1988 | US4767600 Equipment for rapid, automatic chemical-clinical analysis |
| 08/30/1988 | US4767206 Using uniform microbeads and fluorescent dye |
| 08/30/1988 | CA1241405A1 Measuring the diameter and detecting surface defects of moving wire |
| 08/30/1988 | CA1241212A1 Readhead with reduced height sensitivity |
| 08/25/1988 | WO1988006325A1 Process for the optical scanning of an object and device for the implementation of said process |
| 08/25/1988 | WO1988006301A1 Aperture image beam splitter |
| 08/25/1988 | WO1988006300A1 Microscope |