| 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) |
|---|
| 08/13/1991 | US5039868 Method of and apparatus for inspecting printed circuit boards and the like |
| 08/13/1991 | US5039855 Dual beam acousto-optic tunable spectrometer |
| 08/13/1991 | US5039618 Test swab cartridge type device and method for detecting lead and cadmium |
| 08/13/1991 | US5039492 Optical pH and gas concentration sensor |
| 08/13/1991 | US5039491 Optical oxygen sensor |
| 08/13/1991 | US5039490 Sensor element for determination of concentration of substances |
| 08/13/1991 | US5039225 Apparatus for measurement of reflection density |
| 08/13/1991 | US5039224 Self-referencing remote optical probe |
| 08/13/1991 | US5039219 Luminescence system and method for determining the nature of substances by measuring fluorescence and phosphorescence properties |
| 08/13/1991 | US5039203 Optical window member and method for production thereof |
| 08/11/1991 | CA2035686A1 Examination of physical properties of thin films |
| 08/08/1991 | WO1991011705A1 Process for measuring fibre parameters by image data processing |
| 08/08/1991 | WO1991011702A1 Device for determining the composition of fluids, in particular the constituents of exhaust gases of internal combustion engines |
| 08/08/1991 | WO1991011701A1 Detection of biological tissue anomalies by infrared spectroscopy |
| 08/08/1991 | WO1991011695A2 Measurement of deformation |
| 08/08/1991 | WO1991011693A1 Method and device for evaluating the condition of the ozone layer |
| 08/08/1991 | WO1991011136A1 Systems for material analysis based on reflectance ratio detection |
| 08/08/1991 | DE4101991A1 Automatic atomic spectroscopic analysis of multi-component soln. - by set programme starting with known data and producing comparison standard |
| 08/08/1991 | CA2035802A1 Method and apparatus for producing biaxially stretched thermoplastic tubing |
| 08/07/1991 | EP0440577A1 Interferometric measurement arrangement |
| 08/07/1991 | EP0440443A2 Multispectral reflectometer |
| 08/07/1991 | EP0440342A2 Laser excited confocol microscope fluorescence scanner and method |
| 08/07/1991 | EP0439881A1 Method and apparatus for nondestructively measuring micro defects in materials |
| 08/07/1991 | EP0439548A1 Provision of density specific blood cells for the structuredness of the cytoplasmic marix (scm) test. |
| 08/07/1991 | EP0439534A1 Photon scanning tunneling microscopy. |
| 08/07/1991 | EP0439525A1 Luminescence or fluorescence monitoring apparatus and method. |
| 08/07/1991 | EP0439488A1 Method of detecing worms in meat |
| 08/07/1991 | CN2082414U Multifunctional photo-electric colorimeter |
| 08/07/1991 | CN2082413U Determinate device micro-plate test result |
| 08/07/1991 | CN1053678A Polarization ratio tester for measuring ripeness of cotton fibre and method thereof |
| 08/07/1991 | CN1053677A Complex sensor for measuring density of inflammable gas |
| 08/06/1991 | US5038048 Defect detection system and method for pattern to be inspected utilizing multiple-focus image signals |
| 08/06/1991 | US5038040 Soil test apparatus |
| 08/06/1991 | US5038039 Method of detecting the presence of anomalies in biological tissues and cells in natural and cultured form by infrared spectroscopy |
| 08/06/1991 | US5038035 Automatic structure analyzing/processing apparatus |
| 08/06/1991 | US5038030 Surface identification for back-coated magnetic recording medium |
| 08/06/1991 | US5037968 Ion Selective Membranes Of Ion Selective Electrodes; Color Indicators |
| 08/06/1991 | US5037763 Article coated with cured material and methods of making |
| 08/06/1991 | US5037738 Simultaneous assay for glucose and urea |
| 08/06/1991 | US5037615 Fiber Optic Chemical Sensor |
| 08/06/1991 | US5037614 Chemical level measurement device with easy action cover and single control mode selection capability |
| 08/06/1991 | US5037613 Incubator |
| 08/06/1991 | US5037612 Method and apparatus for analyzing fluid sample |
| 08/06/1991 | US5037207 Laser imaging system |
| 08/06/1991 | US5037202 Measurement of size and refractive index of particles using the complex forward-scattered electromagnetic field |
| 08/06/1991 | US5037200 Laser-operated detector |
| 08/06/1991 | US5037199 Ball lens micro-cell |
| 08/06/1991 | US5036708 Rheo-photoacoustic ft-ir spectroscopic method and apparatus |
| 08/06/1991 | CA1287290C Activatable time-temperature indicator |
| 08/03/1991 | WO1991011703A1 Detection apparatus |
| 08/03/1991 | CA2075056A1 Detection apparatus |
| 08/02/1991 | CA2009226A1 Fiber optic sensors |
| 08/01/1991 | DE4002631A1 Gap absorption spectrum analysis cuvette - has rhodium coating alone or on backing gold and diffusion barrier layers |
| 08/01/1991 | DE4002108A1 Testing of beer mash strength and sugar content and appts. - by extracting mash from stream and mixing in given ratio with iodine soln. before continuous measurement in optical measuring tube |
| 07/31/1991 | WO1991011704A1 Method for inspecting density of carbon fibers in a substrate by infrared imaging |
| 07/31/1991 | EP0439318A2 Doped sol-gel glasses for obtaining chemical interactions |
| 07/31/1991 | EP0439036A2 Energy transferring system |
| 07/31/1991 | EP0438550A1 Optical read system. |
| 07/31/1991 | EP0438468A1 Process and device for measuring gloss. |
| 07/31/1991 | EP0438465A1 Process and device for quantitative detection of optically active substances. |
| 07/31/1991 | EP0438450A1 Device for measuring physical quantities by transmitting and receiving electromagnetic radiation |
| 07/31/1991 | EP0438417A1 Inspection of container finish |
| 07/31/1991 | EP0438414A1 A method and device for measuring formaldehyde emission from surfaces |
| 07/31/1991 | EP0382743B1 Device for checking linear dimensions of parts |
| 07/31/1991 | EP0374190A4 Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment |
| 07/31/1991 | EP0307451B1 Apparatus and method for locating the direction of an atomic beam |
| 07/31/1991 | CN2081979U Slitted pipe used in flame atom absorption meter for testing hg |
| 07/31/1991 | CN2081978U Spectrum analyzer for microwave plasma radiation |
| 07/31/1991 | CN1013410B H. f. induction coupling plasma analytic method |
| 07/31/1991 | CA2035224A1 Multispectral reflectometer |
| 07/31/1991 | CA2009062A1 Method of determining wood species |
| 07/30/1991 | US5036212 Method of and apparatus for analyzing a suspension in a cuvette |
| 07/30/1991 | US5036204 Continuous concentration monitoring by circular dichroism |
| 07/30/1991 | US5036198 Multicomponent photometer |
| 07/30/1991 | US5035866 Having reaction wells for mixing reactants and exposure apparatus to receive and test against photographic film; urinalysis |
| 07/30/1991 | US5035863 Surface plasmon resonance sensors |
| 07/30/1991 | US5035860 Pesticides and chemical warfare agents, colorimetric |
| 07/30/1991 | US5035508 Light absorption analyser |
| 07/30/1991 | US5035505 Atomic absorption spectroscopy photometer |
| 07/30/1991 | US5035504 Liquid analysis with internal reflection spectroscopy |
| 07/30/1991 | CA1286986C Ionic compounds containing the cationic meriquinon of a benzidine |
| 07/30/1991 | CA1286892C Method for measuring the properties of a composition consisting of a liquid and solid particles and apparatus used in the method |
| 07/26/1991 | WO1991011699A1 Optical inspection method and apparatus |
| 07/26/1991 | CA2071210A1 Optical inspection method and apparatus |
| 07/26/1991 | CA2033692A1 Energy transfer systems |
| 07/25/1991 | WO1991010898A1 Device for photo-electrically monitoring a moving yarn |
| 07/25/1991 | WO1991010897A1 Measurement of luminescence |
| 07/25/1991 | WO1991010896A1 Method for operating a radiation absorption photometer |
| 07/25/1991 | WO1991010895A1 Process and device for determining the concentration of isotopes |
| 07/25/1991 | WO1991010828A1 A means and method for measuring and controlling smoke from an internal combustion engine |
| 07/25/1991 | WO1991010822A1 Method of determining fuel blend ratio |
| 07/25/1991 | CA2022829A1 Reference reading in an analyzer |
| 07/25/1991 | CA2022828A1 Prespot detection method and apparatus in an analyzer |
| 07/24/1991 | EP0437968A2 Video densitometer |
| 07/24/1991 | EP0437888A2 Computer-controlled spray-dying process |
| 07/24/1991 | EP0437883A1 Scanning device for optically scanning a surface along a line |
| 07/24/1991 | EP0437829A1 Method for distinguishing mixtures of chemical compounds |
| 07/24/1991 | EP0437648A1 Quality inspection method for a printed matter |
| 07/24/1991 | EP0437647A1 Process to measure extremely small optical losses |
| 07/24/1991 | EP0231264B1 Method and apparatus for nondestructively determining the characteristics of a multilayer thin film structure |