| 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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| 08/17/1989 | DE3803270A1 Sensor construction |
| 08/16/1989 | EP0328483A1 Hand-held device for measuring photometric data |
| 08/16/1989 | EP0328374A2 Container inspecting apparatus |
| 08/16/1989 | EP0327762A2 Fabric pile lay detector |
| 08/16/1989 | EP0327588A1 High sensitivity optical imaging apparatus. |
| 08/16/1989 | CN2042955U Experimental facility with photoelastic method for studying cutting machanism |
| 08/16/1989 | CN1034808A Beat length measuring method and equipment for high double-refraction optical fibre |
| 08/15/1989 | US4858156 Apparatus for examining objects |
| 08/15/1989 | US4857750 Sensor for determining photoresist developer strength |
| 08/15/1989 | US4857748 Apparatus for optically measuring the three-dimensional surface shape and inner structure of an object |
| 08/15/1989 | US4857747 Method and apparatus for analyzing the formation of a web of material via generating a formation index |
| 08/15/1989 | US4857738 Absorption measurements of materials |
| 08/15/1989 | US4857735 Light emitting diode spectrophotometer |
| 08/15/1989 | US4857472 Method for continuous quantitative detection of sulphur dioxide and an arrangement for implementing this method |
| 08/15/1989 | US4857274 Device for analyzing a liquid sample |
| 08/15/1989 | US4857273 Optically dense body with sensitized coating; immunoassay |
| 08/15/1989 | US4857271 Using a quinone compound |
| 08/15/1989 | US4857136 Reactor monitoring system and method |
| 08/15/1989 | US4856906 Enhanced system for transmission loss comparison |
| 08/15/1989 | US4856353 Nondestructive inspection apparatus for heat-transfer tubes in boilers |
| 08/10/1989 | WO1989007279A1 Fiber optic refractive index sensor using a metal clad |
| 08/10/1989 | WO1989007255A1 Apparatus and method for detecting hemagglutinaion reactions |
| 08/10/1989 | WO1989007254A1 Infrared transmitting probe and assays using same |
| 08/10/1989 | WO1989007253A1 Device and method capable of detecting small particles in a fluid |
| 08/10/1989 | WO1989007252A1 Biological sensors |
| 08/10/1989 | WO1989007246A1 Optical amplifier and method for amplifying optical polarization state change effects |
| 08/10/1989 | WO1989007037A1 Method and system for determining surface profile information |
| 08/10/1989 | DE3802463A1 Device for testing vessels |
| 08/09/1989 | EP0327499A1 Measuring head |
| 08/09/1989 | EP0327425A1 Method for optical scanning microscopy in confocal arrangement with large depth of field and apparatus to perform this method |
| 08/09/1989 | EP0327416A1 Method for optimizing the contrast in the image of a sample |
| 08/09/1989 | EP0327353A1 Device and method capable of detecting small particles in a fluid |
| 08/09/1989 | EP0327185A2 Real time particle fallout monitor |
| 08/09/1989 | EP0326982A2 Method for the detection of chemical warfare agents |
| 08/09/1989 | EP0326945A2 Optical device for the inspection of surfaces |
| 08/09/1989 | EP0326642A2 Furnace for the electrothermal atomization of samples in atomic absorption spectroscopy |
| 08/09/1989 | CN2042593U Anti-interference gas detecting tube for co |
| 08/08/1989 | US4855931 Stochastic method for finding molecular conformations |
| 08/08/1989 | US4855930 Method and appartatus for improved time-resolved fluorescence spectroscopy |
| 08/08/1989 | US4855678 Apparatus for guiding the sensor holder of a surface testing apparatus |
| 08/08/1989 | US4855601 Method and device for automatic spectrometric analysis of a liquid, particularly of milk |
| 08/08/1989 | US4855592 Apparatus using optical fibers for inspecting slide fastener elements |
| 08/08/1989 | US4855228 Multiple oxidative indicator system for visual determination of hydrogen peroxide |
| 08/08/1989 | US4854710 Method and apparatus for evaluating surface and subsurface features in a semiconductor |
| 08/08/1989 | US4854708 Optical examination apparatus particularly useful as a Fizeau interferometer and schlieren device |
| 08/08/1989 | CA1258243A1 Composition and method for rapid detection of microorganisms in clinical samples |
| 08/08/1989 | CA1258164A1 Ellipsometric method and apparatus for studying physical properties of the surface of a testpiece |
| 08/02/1989 | EP0326511A1 Capillary flow cell |
| 08/02/1989 | EP0326375A2 Scattered total internal reflectance immunoassay system |
| 08/02/1989 | EP0326341A2 Optical detection and control system |
| 08/02/1989 | EP0326291A1 Biological sensors |
| 08/02/1989 | EP0181361B1 Method for detecting and recording defects on hot metallurgical semi-products |
| 08/02/1989 | CN2042198U Liquid clearness tester |
| 08/02/1989 | CN1034434A Improved mechanism for glass container inspection apparatus |
| 08/01/1989 | US4853879 Automated paint film characterization system |
| 08/01/1989 | US4853866 Method and apparatus for matching panels to be cut from patterned fabrics |
| 08/01/1989 | US4853776 Fabric inspecting method and appartus for detecting flaws |
| 08/01/1989 | US4853774 Auxiliary light apparatus for borescope |
| 08/01/1989 | US4853595 Photomultiplier tube having a transmission strip line photocathode and system for use therewith |
| 08/01/1989 | US4853547 System for radiation detection using a graded index optic element |
| 08/01/1989 | US4853543 Method and apparatus for detecting a tracer gas using a single laser beam |
| 08/01/1989 | US4853542 Collecting hemispherical attachment for spectrophotometry |
| 08/01/1989 | US4853533 Defect detection system with quick-release modules |
| 08/01/1989 | US4853328 Reagent for assaying hydrogen peroxide and method of quantitative assay for hydrogen peroxide |
| 08/01/1989 | US4853186 Water-compatible reducible compounds and their use in analytical compositions and methods |
| 08/01/1989 | US4852967 Evanescent wave sensors |
| 08/01/1989 | US4852955 Microscope for use in modular FTIR spectrometer system |
| 08/01/1989 | CA1258127A1 Grain damage analyzer |
| 08/01/1989 | CA1257980A1 Process and device for determining the cloud point of a diesel oil |
| 07/27/1989 | WO1989006793A1 Container for liquid observed for impurities |
| 07/27/1989 | WO1989006787A1 Device for inspecting webs of material travelling at high speed |
| 07/27/1989 | DE3801368A1 Visual range meter |
| 07/26/1989 | EP0325514A2 Lead detection for cut and clinch process |
| 07/26/1989 | EP0325355A1 Inspection of multipattern circuit boards |
| 07/26/1989 | EP0324759A1 Method of determining a biological substance involving labelling with a metal chelate. |
| 07/26/1989 | EP0324733A1 A moisture indicator. |
| 07/26/1989 | CN2041816U Test paper for agrochemicals |
| 07/26/1989 | CN1034270A Method for quantitative analysis of core samples |
| 07/26/1989 | CN1034269A Multi-beam atom-absorbing spectrograph |
| 07/25/1989 | US4852182 Process for obtaining images of geological samples with a view to their optical analysis and a device for its implementation |
| 07/25/1989 | US4852025 System for determining the concentration of components of body fluids |
| 07/25/1989 | US4851903 Automatic focusing system of an observing means for inspecting an object |
| 07/25/1989 | US4851819 Photoelectric smoke detector with permanently fixed insect net |
| 07/25/1989 | US4851817 Fiber optic probe system |
| 07/25/1989 | US4851696 Apparatus for receiving radiation only within predetermined angular limits |
| 07/25/1989 | US4851683 Element specific radio frequency discharge helium plasma detector for chromatography |
| 07/25/1989 | US4851665 System for sensing ions in aqueous solution |
| 07/25/1989 | US4851195 For determining liquid partial pressure; containing an absorber, a fluorescer and bicarbonate |
| 07/25/1989 | US4850712 Method and system for determining surface profile information |
| 07/25/1989 | US4850711 Film thickness-measuring apparatus using linearly polarized light |
| 07/25/1989 | US4850710 Method of measuring and displaying double refraction occurring in a material to be measured |
| 07/25/1989 | US4850697 Resonant piezoelectric chopper for infrared radiation |
| 07/25/1989 | US4850695 Test system for optical disks |
| 07/25/1989 | US4850112 Fineness gauge |
| 07/25/1989 | CA1257781A1 Integrating device for measuring transmission of light in objects |
| 07/19/1989 | EP0324583A2 Remote sensing system |
| 07/19/1989 | EP0324349A2 Process and device to transfer measured values of electrochemical sensors |
| 07/19/1989 | EP0324311A2 Instrument for the measurement of optical scattering matrices |
| 07/19/1989 | EP0324285A2 Method of and apparatus for inspection of a transparent container |
| 07/19/1989 | EP0324202A1 Acridinium compounds as chemiluminogenic label |