| 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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| 09/19/1978 | US4115699 Apparatus for sensitive detection and quantitative analysis of biological and biochemical substances |
| 09/19/1978 | US4115067 Air pollution |
| 09/19/1978 | US4115011 Cuvette configured for photoanalysis use |
| 09/19/1978 | US4115010 Automated plate reader |
| 09/19/1978 | US4115009 Optical sight tube for flowing fluid materials |
| 09/19/1978 | US4114635 Method of monitoring ratio of flowing mixture |
| 09/19/1978 | US4114604 Catheter oximeter apparatus and method |
| 09/19/1978 | CA1038948A1 Photomask inspection by real time diffraction pattern analysis |
| 09/19/1978 | CA1038645A2 Gas measuring apparatus and method for the continuous measuring of the co2 content in respiratory gases |
| 09/12/1978 | US4114144 Automatic air-in-line fluid detector |
| 09/12/1978 | US4114038 Photoelectric sensing head with wiping means |
| 09/12/1978 | US4113596 Method of measuring the mobility of colloids in an electrical field |
| 09/12/1978 | US4113390 Optical sight tube for fluid conduits |
| 09/12/1978 | US4113386 Photometer |
| 09/12/1978 | CA1038470B Optical inspection apparatus |
| 09/12/1978 | CA1038193A1 Method and apparatus for measuring the amount of substance that is associated with a web of moving material |
| 09/12/1978 | CA1038192A2 Paper machine optical monitoring device and method |
| 09/05/1978 | US4111563 Graphite tube assembly having a sample supporting inner body |
| 09/05/1978 | US4111560 Method and apparatus for determining a property of a given substance |
| 09/05/1978 | US4111559 Apparatus for determining the transmissivity of an optical medium |
| 09/05/1978 | US4111556 Control system for alloy tester |
| 09/05/1978 | US4111554 Process for the specific quantitative detection of sulfur compounds and apparatus for carrying out this process |
| 09/05/1978 | US4111553 Multi-sample transporting and heating apparatus for use in atomic absorption spectrometry |
| 09/05/1978 | CA1037736A1 Sample supply apparatus for automatic analysis systems |
| 08/29/1978 | US4110619 Method of compensating for carrier-gas-composition dependence due to the collision-broadening effect in non-dispersive infrared photometers having a detector comprised of two absorption chambers arranged one behind the other |
| 08/29/1978 | US4110618 Adiabatic compression infrared emission vapor detector |
| 08/29/1978 | US4110048 Method of and an apparatus for inspecting a traveling sheet material |
| 08/29/1978 | US4110047 Inspection apparatus for automatically detecting the unevenness or the flaws of a coating |
| 08/29/1978 | US4110044 Method for determination of concentration |
| 08/29/1978 | CA1037281A1 Standard for spectral reflectance |
| 08/22/1978 | US4109159 Method and an automatic device for analyzing variations in the transparency of a sample |
| 08/22/1978 | US4108762 Transparent container inspection apparatus |
| 08/22/1978 | US4108555 Two-beam colorimeter |
| 08/22/1978 | US4108552 Carrier gas, oxidation |
| 08/22/1978 | US4108533 Apparatus for combining light emanating from a linear scanning field |
| 08/22/1978 | CA1036834A1 Electronically compensated rotating gas cell analyzer |
| 08/15/1978 | US4106909 Chemical analysis with coated, light waveguide under humidity control |
| 08/15/1978 | CA1036697A1 Instrument responsive to back-scattered or back-reflected radiation having passive system for range correction |
| 08/15/1978 | CA1036384A1 Non-dispersive multiple gas analyzer |
| 08/15/1978 | CA1036383A1 Method and means for analyzing substances by photoacoustic spectrum analysis |
| 08/08/1978 | USRE29725 Multicompartment pouch-like pliable container |
| 08/08/1978 | US4106100 Digital differential analyzer |
| 08/08/1978 | US4105919 Spectrophone with field tuning of absorption cell |
| 08/08/1978 | US4105338 Reflection type ellipsometer for measuring thin film phase difference and thickness |
| 08/08/1978 | US4105337 Self-induced rotation ellipsometer |
| 08/08/1978 | US4105334 Optical detector |
| 08/08/1978 | US4105333 Method of identifying fluorescent materials |
| 08/08/1978 | US4105122 Inspecting cans for openings with light |
| 08/01/1978 | US4104031 Blood typing |
| 08/01/1978 | US4104030 Photometric determination of protein, and of endotoxin with Limulus protein |
| 08/01/1978 | US4103997 Light scattering type smoke detector |
| 08/01/1978 | US4103776 Inspection machine for fuel pellets |
| 07/25/1978 | US4103177 Surface quality analysis |
| 07/25/1978 | US4103174 Infrared source for use in an infrared gas detector |
| 07/25/1978 | US4103163 Infrared gas analyzing apparatus |
| 07/25/1978 | US4103162 Apparatus for the continuous measurement of the concentration of oil |
| 07/25/1978 | US4102646 Quantitative analysis of carbohydrates by infrared spectroscopy |
| 07/25/1978 | US4102582 Examination of interior surfaces using glow-discharge illumination |
| 07/25/1978 | US4102574 Method and means of monitoring the quality of a fluid dielectric |
| 07/25/1978 | US4102573 Electrode for a spectro-analytical arrangement |
| 07/25/1978 | US4102177 Densitometer |
| 07/18/1978 | US4101383 Process for testing microparticle response to its environment |
| 07/18/1978 | US4101276 Method and apparatus for signalling the introduction of chemical reaction components into a chemical analyzing system |
| 07/18/1978 | US4101222 Spectrophotometer sample holder with improved sample viewing apparatus |
| 07/18/1978 | US4101221 Process for the photo-optical measurement of the absorption behavior of solid, liquid and gaseous media |
| 07/11/1978 | US4100446 Light source lamp with particular envelope structure to accommodate external magnets |
| 07/11/1978 | US4100416 Serum fluorescence suppression |
| 07/11/1978 | US4100412 Selective multichannel optical time-shared detector for chromatography |
| 07/11/1978 | US4099920 Temperature control and stirring apparatus for luminescence measuring photometer |
| 07/11/1978 | US4099886 Detecting system |
| 07/11/1978 | US4099884 Optical inspection systems |
| 07/11/1978 | US4099883 Glass, optical filters |
| 07/11/1978 | US4099882 Apparatus for optically analyzing fluids |
| 07/11/1978 | US4099878 Remote probing apparatus and method |
| 07/11/1978 | US4099875 Coaxial multi-detector system and method for measuring the extinction coefficient of an atmospheric scattering medium |
| 07/11/1978 | US4099874 Detecting system |
| 07/11/1978 | US4099872 Fluorescence spectrophotometer |
| 07/04/1978 | US4099051 Inspection apparatus employing a circular scan |
| 07/04/1978 | US4098575 Peroxide value determining test for oils and fats |
| 07/04/1978 | US4098554 Device for atomizing a sample for flameless atomic absorption measurements |
| 06/27/1978 | US4097781 Atomic spectrum light source device |
| 06/27/1978 | US4097751 Retroreflectance measuring apparatus |
| 06/27/1978 | US4097743 Moisture analyzing method and apparatus |
| 06/27/1978 | US4097735 Testing the operation of a recording fluorometer/densitometer |
| 06/27/1978 | US4097338 Fluorimetric demonstration and determination of a reduced coenzyme or derivative in an aqueous system |
| 06/27/1978 | US4097239 Two-flame burner for flame photometric detection |
| 06/27/1978 | US4097160 Method for inspecting object defection by light beam |
| 06/27/1978 | US4097153 Method and apparatus for measuring the electrophoretic mobility of suspended particles |
| 06/27/1978 | US4097151 Method of and apparatus for locating B type and point type defects in a glass ribbon |
| 06/20/1978 | US4096388 Measuring gaseous oxygen with U.V. absorption |
| 06/20/1978 | US4095904 Device for objective checking for foreign bodies in optically transparent cylindrical containers filled with liquids |
| 06/20/1978 | US4095729 Filter paper dispenser |
| 06/13/1978 | US4095142 High frequency discharge lamp for a spectral-line source |
| 06/13/1978 | US4095105 Standardizing test sample |
| 06/13/1978 | US4094609 High sensitivity absorptiometer |
| 06/13/1978 | US4094608 Spectrometer of the electro-opto-acoustic type with capacitor-type detection |
| 06/13/1978 | US4094607 Apparatus for flameless atomization of a sample for atomic absorption analysis |
| 06/06/1978 | US4093991 Spectrophotometer-digital data processing system for appearance measurements providing fast and accurate standardization, ease of use for different appearance measurements and fast response |
| 06/06/1978 | US4093867 Apparatus for automatically calibrating and testing smoke detectors |
| 06/06/1978 | US4093866 Diffraction pattern amplitude analysis for use in fabric inspection |