| 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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| 10/04/1989 | EP0335163A2 Apparatus for detecting foreign matter on the surface of a substrate |
| 10/04/1989 | EP0335155A2 Method and arrangement for the display of superficial flaws in record carriers |
| 10/04/1989 | EP0335128A2 Optical fiber moisture sensor |
| 10/04/1989 | EP0239569A4 Neurological and biological molecular electro-optical devices and method. |
| 10/04/1989 | CN2045491U Clarity instrument for medicine anti-auxin solution |
| 10/03/1989 | USH687 Video microimaging system |
| 10/03/1989 | US4872052 Semiconductor device inspection system |
| 10/03/1989 | US4871917 Vehicular moisture sensor and mounting apparatus therefor |
| 10/03/1989 | US4871916 Sensing of methane |
| 10/03/1989 | US4871681 Forming red cyanide-picric acid complex, measuring absorbency |
| 10/03/1989 | US4871680 Process for the detection of molecular or ionic species |
| 10/03/1989 | US4871258 Color test meter |
| 10/03/1989 | US4871255 Optical nondestructive testing method of composite materials |
| 10/03/1989 | US4871251 Apparatus and method for particle analysis |
| 10/03/1989 | US4871249 Light collecting device with chamber including ellipsoidal surface and spherical surface |
| 10/03/1989 | US4870865 Device for testing formation of connection |
| 10/03/1989 | US4870727 Method for detecting anomalies in corduroy preparation |
| 10/03/1989 | CA1262061A1 Portable analyzer |
| 09/28/1989 | DE3908831A1 Method for determining a calibration curve and device using the calibration curve |
| 09/28/1989 | DE3907276A1 Interferometer and method for gas analysis |
| 09/28/1989 | DE3809221A1 Verfahren zum detektieren von fehlstellen an pressteilen oder anderen werkstuecken und vorrichtung zur durchfuehrung des verfahrens A method for detecting of imperfections on stampings or other workpieces and apparatus for performing the method |
| 09/28/1989 | DE3808445A1 Sensor system for gases and vapours |
| 09/28/1989 | DE3807586A1 Verfahren zur herstellung eines kohleofens zur atomabsorptionsanalyse Process for the preparation of a coal furnace atomic absorption analysis for |
| 09/27/1989 | EP0334544A2 Method and apparatus for evaluating the surface of an object |
| 09/27/1989 | EP0334536A2 Particle measuring apparatus |
| 09/27/1989 | EP0333939A2 Capillary flow cell for optically analysing fluids, and apparatus comprising said cell |
| 09/26/1989 | US4870291 Splice inspection method and apparatus using light inclined at a prescribed angle |
| 09/26/1989 | US4870275 Circulating raman-media laser radar method and apparatus for remote measurement of gases in the atmosphere |
| 09/26/1989 | US4870264 Device for optically measuring the shading of translucent panes |
| 09/26/1989 | US4869875 Method of detecting or determining histamine in histamine containing materials, particularly body fluids and an analytical agent for use in such method |
| 09/26/1989 | US4869253 Method and apparatus for indicating perfusion and oxygen saturation trends in oximetry |
| 09/26/1989 | CA1261938A1 System for the internal inspection of pipelines |
| 09/26/1989 | CA1261937A1 Vessel opening top inspection method |
| 09/26/1989 | CA1261768A1 Filter cleaning system for opacity monitor |
| 09/26/1989 | CA1261741A1 Fluorescent energy transfer with phycobiliproteins |
| 09/26/1989 | CA1261719A1 Analysis instrument having a blow molded reaction chamber |
| 09/26/1989 | CA1261717A1 Method and apparatus for oxygen determination |
| 09/26/1989 | CA1261486A1 Systems for the direct analysis of solid samples by atomic emission spectroscopy |
| 09/26/1989 | CA1261256A1 Devices for use in chemical test procedures |
| 09/26/1989 | CA1261172A1 Atmospheric pressure helium afterglow discharge detector for gas chromatography |
| 09/26/1989 | CA1261168A1 Instrument for measuring coagulation parameters and method of use |
| 09/26/1989 | CA1261167A1 Oxygen analysis employing absorption spectroscopy |
| 09/26/1989 | CA1261046A1 Dual-wavelength laser apparatus |
| 09/26/1989 | CA1261026A1 Bottle mouth defect inspection apparatus |
| 09/26/1989 | CA1260811A1 Method for continuously analysing total gaseous mercury |
| 09/26/1989 | CA1260628A1 Method and apparatus for sensing or determining one or more properties or the identity of a sample |
| 09/26/1989 | CA1260289A1 Apparatus and method for inspecting glass |
| 09/26/1989 | CA1260288A1 System for measuring the color of a material |
| 09/26/1989 | CA1260113A1 Apparatus for detecting anomalies in corduroy preparation |
| 09/26/1989 | CA1260063A1 Test strip identification |
| 09/21/1989 | WO1989008922A1 Elctromagnet for an atomic absorption spectrometer |
| 09/21/1989 | WO1989008836A1 Process for detecting faulty areas on pressed parts or other workpieces, and device for implementing the process |
| 09/21/1989 | WO1989008834A1 Apparatus and process for detecting and counting fluorescent particles carried on a solid support |
| 09/21/1989 | WO1989008833A1 Atomic absorption spectrometer |
| 09/21/1989 | WO1989008832A1 Atomic absorption spectrometer |
| 09/21/1989 | WO1989008831A1 Atomic absorption spectrometer |
| 09/21/1989 | WO1989008825A1 Arrangement for determining wavelength or refractive index |
| 09/21/1989 | WO1989008824A1 Resonant piezoelectric chopper for infrared radiation |
| 09/21/1989 | WO1989008574A1 Process and circuit arrangement for controlling a brake system with anti-blocking and/or anti-skid device |
| 09/21/1989 | WO1989008428A1 Near-infrared analysis of tissue fat percentage |
| 09/20/1989 | EP0333561A1 Device and method for the detection and counting of fluorescent particles on a solid support |
| 09/20/1989 | EP0333099A2 Color comparison device having a bulged insertion groove for holding a test stick in a flexed condition |
| 09/20/1989 | EP0333017A1 Optical method for the measurement of a concentration |
| 09/20/1989 | EP0332935A1 Sensor material for the measurement of the partial pressure of gases or vapours, and gas sensor |
| 09/20/1989 | EP0332706A1 High speed image fault detecting method and apparatus |
| 09/20/1989 | CN1035719A Detective device and technique of ultra-weak light |
| 09/19/1989 | USRE33064 Method for the determination of species in solution with an optical wave-guide |
| 09/19/1989 | US4868768 Optical absorption measurement system |
| 09/19/1989 | US4868767 For securing a window assembly |
| 09/19/1989 | US4868404 Surface inspection apparatus using a mask system to monitor uneven surfaces |
| 09/19/1989 | US4868403 Surface inspecting apparatus |
| 09/19/1989 | US4868398 Device for the real time measurement of the content of an aerosol in a gas |
| 09/19/1989 | US4868103 Analyte detection by means of energy transfer |
| 09/19/1989 | US4867946 Device for evaluating test strips |
| 09/19/1989 | US4867919 Method of making a gas sensor |
| 09/19/1989 | US4867571 Wave form filter pulse detector and method for modulated signal |
| 09/19/1989 | US4867569 Apparatus for detecting a position of an electronic part |
| 09/19/1989 | US4867565 Opto-electronic detection device for remotely detecting a physical magnitude |
| 09/19/1989 | US4867562 Atomic absorption spectrophotometer |
| 09/19/1989 | US4867559 Liquid/liquid fiber-optic fluorescence detector and absorbance analyzer |
| 09/19/1989 | US4867557 Reflection type oximeter for applying light pulses to a body tissue to measure oxygen saturation |
| 09/13/1989 | EP0332508A1 Device for ellipsometric analysis, method for the ellipsometric analysis of a sample, and use in the measurement of thickness variation of thin layers |
| 09/13/1989 | EP0332440A2 Arciform photo sensor asssembly |
| 09/13/1989 | EP0332376A2 Apparatus for inspecting can seams and the like |
| 09/13/1989 | EP0332180A2 Infrared gas analyzer |
| 09/13/1989 | EP0332018A2 Clay sensor |
| 09/13/1989 | EP0195039B1 Measurement arrangement for analysing electromagnetic radiation |
| 09/12/1989 | US4866727 Electromagnetic screening arrangement for a laser |
| 09/12/1989 | US4866681 Photo-acoustic detector |
| 09/12/1989 | US4866644 Optical instrument calibration system |
| 09/12/1989 | US4866288 Apparatus for optically scanning a web of material |
| 09/12/1989 | US4866283 Optical inspection of food products |
| 09/12/1989 | US4866266 Method of measuring polarization and birefringence in single-mode optical fibers |
| 09/12/1989 | US4866265 Optical moisture sensor using an expanded optical beam |
| 09/12/1989 | US4866264 Method and apparatus for measuring non-reciprocal loss of thin magnetic films and magnetic mirrors |
| 09/12/1989 | US4866263 Apparatus for inspecting sidewall of bottle |
| 09/12/1989 | US4866152 Aminofunctional organosilicon optical brighteners |
| 09/12/1989 | US4865995 Method for measuring a concentration of saccharides having a low molecular weight and sensor for measuring the same |
| 09/12/1989 | US4865992 System and method for quantitative analysis of a solution |
| 09/12/1989 | US4865872 Strip inspecting apparatus and associated method |