| 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) |
|---|
| 01/07/1981 | EP0020971A1 Goniophotometer for the measurement of the gloss and/or the gloss haze of surfaces |
| 01/07/1981 | EP0020880A1 Optical fault seeking apparatus for material webs |
| 01/07/1981 | EP0020877A1 Signal-evaluation circuit for an apparatus for measurement of extinction |
| 01/07/1981 | EP0020876A2 Signal processing circuit |
| 01/07/1981 | EP0020801A1 Double-beam infrared spectrometer |
| 01/07/1981 | EP0020674A1 Smoke detector operating with scattered radiation. |
| 01/07/1981 | EP0020550A1 Improved method and apparatus for detecting clear air turbulences |
| 01/06/1981 | US4243887 Process and apparatus for analyzing a sample with the aid of pulsed laser irradiation |
| 01/06/1981 | US4243883 Blood hematocrit monitoring system |
| 01/06/1981 | US4243882 Infrared multilayer film thickness measuring method and apparatus |
| 01/06/1981 | US4243327 Double-beam optical method and apparatus for measuring thermal diffusivity and other molecular dynamic processes in utilizing the transient thermal lens effect |
| 01/06/1981 | US4243326 Nickel analysis device |
| 01/06/1981 | US4243322 Method and apparatus for photoluminescent detection and measurement |
| 01/06/1981 | US4243321 Handy refractometer |
| 01/06/1981 | US4243319 Optical property measurement system and method |
| 01/06/1981 | CA1092850A1 Surface contact element for optical sensor |
| 01/06/1981 | CA1092848A1 Apparatus for measuring characteristics of fluid materials |
| 12/30/1980 | US4242673 Optical particle detector |
| 12/30/1980 | US4241998 Spectrophotometer |
| 12/30/1980 | US4241997 Laser spectrometer with frequency calibration |
| 12/30/1980 | US4241738 Spectral photometer for medical use in determining skin coloration |
| 12/30/1980 | US4241696 Apparatus for detecting toner concentration |
| 12/24/1980 | WO1980002876A1 Dust measurement |
| 12/24/1980 | WO1980002834A1 Method for monitoring optical fiber processing |
| 12/23/1980 | US4241282 Smoke detector with bimetallic element for temperature compensation |
| 12/23/1980 | US4241256 Apparatus for detecting foreign matters in liquids |
| 12/23/1980 | US4240753 Method for the quantitative determination of turbidities, especially of immune reactions |
| 12/23/1980 | US4240752 Process and apparatus for recognizing cloud disturbances in a sample solution which is being subjected to absorption photometry |
| 12/23/1980 | US4240751 Method and apparatus for specific binding substances |
| 12/23/1980 | US4240750 Automatic circuit board tester |
| 12/23/1980 | US4240749 Test vessel |
| 12/23/1980 | US4240747 Refractive-index responsive light-signal system |
| 12/23/1980 | US4240691 Protective device for optical elements |
| 12/23/1980 | CA1092214A1 Filter rod manufacture |
| 12/16/1980 | US4240110 Inspection of elongated material |
| 12/16/1980 | US4239964 Method for uranium determination |
| 12/16/1980 | US4239393 Optical density scanning head |
| 12/16/1980 | US4239391 Modular motorized polarizers for a spectrofluorometer |
| 12/16/1980 | CA1091560A1 Temperature control system for chemical reaction cell |
| 12/11/1980 | WO1980002746A1 The detection and determination of species by fluorescence measurements |
| 12/10/1980 | EP0020238A1 Method and device for the measurement of the thermal transfers of a sample, and application to the measurement of the absorption coefficient |
| 12/10/1980 | EP0019871A2 Cuvette for the optical examination of fluids |
| 12/10/1980 | EP0019786A1 Chemiluminescent analytical device and its use |
| 12/10/1980 | EP0019724A1 Method of monitoring the thickness of thin dielectric films and performance of the method |
| 12/09/1980 | US4238830 Curvature correction |
| 12/09/1980 | US4238672 Temperature control circuitry |
| 12/09/1980 | US4238384 Method of incorporating additives in polymeric materials |
| 12/09/1980 | US4238275 Pyrocatechol-amine-water solution for the determination of defects |
| 12/09/1980 | US4238198 Method for determining total inorganic sulfur |
| 12/09/1980 | US4238195 Fluorescer-labeled specific binding assays |
| 12/09/1980 | US4238158 Visual investigation method |
| 12/09/1980 | US4237959 Method of examining the surface of a continuously cast metal strip for detection of scarfs appearing thereon and apparatus for the same |
| 12/09/1980 | US4237616 Scanning path alignment arrangement |
| 12/02/1980 | US4237539 On-line web inspection system |
| 12/02/1980 | US4236905 Boron oxide in stream of borosilicate particles by infrared spectrophotometry |
| 12/02/1980 | US4236904 Method for monitoring optical fiber drawing |
| 12/02/1980 | US4236895 Measurement of oxides of nitrogen by chemiluminescent reaction with ozone |
| 12/02/1980 | US4236828 Method for calibrating densitometer of cataphoretic apparatus and calibration film for use in such calibrating method |
| 12/02/1980 | US4236827 Opto-acoustic gas analyzer |
| 12/02/1980 | US4236826 Apparatus for optically measuring a property of an object |
| 12/02/1980 | US4236821 Method and apparatus for testing optical retrodirective prisms |
| 12/02/1980 | US4236820 Cuvette and standard holder for oximeters |
| 12/02/1980 | CA1090607A1 Temperature control and stirring apparatus for luminescence measuring photometer |
| 11/27/1980 | WO1980002594A1 Method and apparatus for detecting discontinuities in a material |
| 11/26/1980 | EP0019604A1 Method and apparatus for detecting discontinuities in materials |
| 11/26/1980 | EP0019489A1 Apparatus for detecting the presence of surface irregularities in articles made of transparent material |
| 11/26/1980 | EP0019309A1 Ring lighting for the dark ground observation of a precious stone |
| 11/26/1980 | EP0019257A1 Reaction chamber of a chemiluminescence analyser |
| 11/26/1980 | EP0019088A1 Ellipsometric method and ellipsometric device for testing the physical properties of the surface of a sample |
| 11/26/1980 | EP0018981A1 Instrument for chemi- or bioluminescent analysis |
| 11/25/1980 | US4236082 Method and apparatus for recording image details of the palm of a hand |
| 11/25/1980 | US4236076 Infrared analyzer |
| 11/25/1980 | US4236075 Apparatus for measuring components of liquid samples |
| 11/25/1980 | US4236071 Apparatus for remote detection of uranium minerals |
| 11/25/1980 | US4235716 Fluorescent indicators for chromatography and sorption agents containing them |
| 11/25/1980 | CA1090184A1 Color compensation system for abbe refractometer |
| 11/25/1980 | CA1090162A1 Optoacoustic cell for identifying liquids |
| 11/25/1980 | CA1090161A1 Apparatus for measuring of particulate scattering in fluids |
| 11/25/1980 | CA1090160A1 Optical phase modulation instruments |
| 11/18/1980 | US4234799 Method and instrument for photometric analysis of liquid using centrifuge rotor |
| 11/18/1980 | US4234540 Apparatus for monitoring chemical reactions and employing moving photometer means |
| 11/18/1980 | US4234539 Apparatus for monitoring chemical reactions and employing moving photometer means |
| 11/18/1980 | US4234538 Apparatus for monitoring chemical reactions and employing moving photometer means |
| 11/18/1980 | US4234258 Stark cell optoacoustic detection of constituent gases in sample |
| 11/18/1980 | US4234257 Flame photometric detector adapted for use in hydrocarbon streams |
| 11/18/1980 | US4234256 Determining depth location of separations within a tire |
| 11/18/1980 | US4234255 Combined motor means and rotational cell |
| 11/18/1980 | US4234252 Apparatus for the simultaneous photometric determination of a plurality of elements in a liquid sample |
| 11/13/1980 | WO1980002458A1 Process for prophylactic registration of putrefaction in food |
| 11/12/1980 | EP0018861A1 Method and device for numeric processing of video signals representative of a leaf-like product |
| 11/12/1980 | EP0018458A2 Optical particle analyser |
| 11/12/1980 | EP0018408A1 Apparatus for luminescent determination of concentration of an analyte in a sample |
| 11/11/1980 | US4233657 Source lamp positioning apparatus |
| 11/11/1980 | US4233513 Gas analyzer |
| 11/11/1980 | US4233030 High pressure, photochemistry |
| 11/11/1980 | US4232971 Integrating sphere type standard light source device |
| 11/11/1980 | US4232970 Apparatus for automatic diagnosis of cells |
| 11/11/1980 | US4232852 Apparatus for control of the carburization of parts in a vacuum furnace |
| 11/11/1980 | CA1089251A1 Apparatus for measuring characteristics of fluid materials |
| 11/11/1980 | CA1089250A1 Deepwater in-situ fluorometer |