| 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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| 05/08/1979 | CA1053925A1 Spectrophotometer for dual mode fluorescence analysis |
| 05/01/1979 | US4152592 Water washable dye penetrant composition and method for utilizing same |
| 05/01/1979 | US4152390 Biological fluids, slide transfer |
| 05/01/1979 | US4152116 Composition and method for the determination of ascorbic acid |
| 05/01/1979 | US4152075 Immersible probe for optical dual beam-measuring apparatus |
| 05/01/1979 | US4152073 Liquid and gas chlorine dioxide photometer |
| 05/01/1979 | US4152070 Turbidimeter |
| 05/01/1979 | US4152069 Process and apparatus for ascertainment of the valuation data of gems |
| 04/24/1979 | US4150951 Measurement of concentrations of gaseous phase elements |
| 04/24/1979 | US4150899 Densitometer |
| 04/24/1979 | CA1053235A1 1-(4,4-diphenylbutyl)-4-piperidinyl)-1,3-dihydro-2h-benzimidazol-2 one compounds |
| 04/24/1979 | CA1053132A1 Apparatus, composition and method for detecting free water in hydrocarbon fuels |
| 04/24/1979 | CA1053027A1 Method and device for examining pulp for the presence of shives |
| 04/17/1979 | US4150295 Method and apparatus for background correction in photoluminescent analysis |
| 04/17/1979 | US4150291 Nondestructive tester for fiberglass-aluminum honeycomb structures |
| 04/17/1979 | US4150287 Optical system for use with color sorter or grader |
| 04/17/1979 | US4149805 Method and apparatus for measuring kerogen content of oil shale |
| 04/17/1979 | US4149804 Method and apparatus for measuring chemical content of core samples |
| 04/17/1979 | CA1052887A1 Smoke detector |
| 04/17/1979 | CA1052885A1 Process and apparatus for detecting occlusions |
| 04/10/1979 | US4149259 Transversal filter for convoluted image reconstruction |
| 04/10/1979 | US4149089 Electro-optical scanner for generating digital flaw data |
| 04/10/1979 | US4148612 Method and apparatus for detecting and measuring trace impurities in flowing gases |
| 04/10/1979 | US4148586 Apparatus for galvanic detection of optical absorptions |
| 04/10/1979 | CA1052244A1 Water washable dye penetrant composition and method of application |
| 04/10/1979 | CA1052126A1 Method and apparatus for accurate pipetting of small liquid volumes |
| 04/10/1979 | CA1052125A1 Photometric liquid analysers |
| 04/03/1979 | US4148065 Method and apparatus for automatically inspecting and correcting masks |
| 04/03/1979 | US4147957 Plasma jet device and method of operating same |
| 04/03/1979 | US4147752 Form piece for apparatuses used for immunoassays and enzyme reactions |
| 04/03/1979 | US4147434 Method and apparatus for determining volatile and decomposable compounds by atomic absorption |
| 04/03/1979 | US4147431 Apparatus and method for measuring pressures and indicating leaks with optical analysis |
| 04/03/1979 | US4147053 Wet crack test method for soap bars |
| 04/03/1979 | CA1051684A1 Organic vapor detection |
| 03/27/1979 | US4146799 Oil concentration detector |
| 03/27/1979 | US4146798 Ink feed volume measuring device |
| 03/27/1979 | US4146792 Paper secured against forgery and device for checking the authenticity of such papers |
| 03/27/1979 | US4146604 Staining with mixture of fluorescent dyes and sensitizers |
| 03/27/1979 | US4146331 Atomizing tube for atomic absorption spectrometers |
| 03/22/1979 | WO1979000122A1 Identification of hazardous nature of unknown materials |
| 03/21/1979 | EP0001178A1 An optical sensing instrument |
| 03/20/1979 | US4145714 Television flaw detector for inspecting the wall surface of a hole through a circuit board |
| 03/20/1979 | US4145186 Sterilization detection device and method |
| 03/20/1979 | US4145139 Zig zag scanning densitometer with base line and impurity correction |
| 03/20/1979 | CA1050795A1 Diffusion device for compensating for non-uniform photomultiplier cathode sensitivity |
| 03/20/1979 | CA1050785A1 Disposable cuvette with stirring mechanism |
| 03/20/1979 | CA1050782A1 System and apparatus for contour plotting the total luminescence spectrum of a sample |
| 03/20/1979 | CA1050780A1 Luminescent reaction testing |
| 03/13/1979 | US4144459 Smoke detector with test means for simulating a predetermined percentage of smoke |
| 03/13/1979 | US4144458 Smoke detector with test means for simulating a predetermined concentration of smoke |
| 03/13/1979 | US4144452 Fluorometric system, method and test article |
| 03/13/1979 | CA1050631A1 Photocell smoke detector |
| 03/13/1979 | CA1050300A1 Unit for use in optical analysis |
| 03/13/1979 | CA1050298A1 Photometric system with conical flow cell |
| 03/07/1979 | EP0001027A2 Apparatus for the continuous and in situ measurement of the vesicular sulphuric acid content during the manufacture of sulphuric acid |
| 03/06/1979 | US4142859 Distinguishing certain types of impurities |
| 03/06/1979 | US4142802 Method and apparatus for measuring variations in composition in binary and ternary semiconductors utilizing electrolyte electroreflectance |
| 03/06/1979 | CA1049910A1 Integral element for analysis of liquids |
| 03/06/1979 | CA1049808A1 Chemiluminescent method and apparatus for determining the photochemical reactivity of organic pollutants |
| 02/27/1979 | US4141954 Reaction tube assembly for automatic analyzer |
| 02/27/1979 | US4141654 Standard for calibrating and/or verifying instrument accuracy |
| 02/27/1979 | CA1049448A1 Method and apparatus for detecting flaws in circular tablet |
| 02/27/1979 | CA1049386A1 Method and apparatus for analysis of constituent carried in fibrous medium |
| 02/21/1979 | EP0000689A1 Method and apparatus for controlling the water-ink balance in offset printing devices |
| 02/20/1979 | US4140902 Device for measurement of hair-like particulate material |
| 02/20/1979 | US4140901 Method and apparatus for performing the setting-up of the fault-signal evaluating circuitry of an apparatus which detects unacceptable faults in glass bottles, and the like |
| 02/20/1979 | US4140487 Detection of substances rapidly oxidized by ozone with emission of quanta of visible light |
| 02/20/1979 | US4140396 Measuring instrument |
| 02/20/1979 | CA1048911A1 Reaction container for chemical analysis |
| 02/20/1979 | CA1048810A1 Method and apparatus for nox analysis |
| 02/20/1979 | CA1048807A1 Simultaneous transmission of periodic spectral components by plural interferometric means |
| 02/20/1979 | CA1048806A1 Rotating-compensator ellipsometer |
| 02/13/1979 | US4139307 Surface inspection systems |
| 02/13/1979 | US4139306 Television inspection system |
| 02/13/1979 | CA1048610A1 Gas analyzer |
| 02/13/1979 | CA1048409A1 Method for improving contrast in surface immunological tests with large size proteins |
| 02/13/1979 | CA1048295A1 Flow cell |
| 02/13/1979 | CA1048294A1 Apparatus for optically analysing a solution |
| 02/06/1979 | US4137991 Clamped acoustic elastic wave generator |
| 02/06/1979 | CA1047788A1 Nephelometer having means semiautomatically cancelling components from scattering by particles smaller or larger than those of interest |
| 02/06/1979 | CA1047787A1 Device for measuring optical characteristics of the atmosphere of an airfield |
| 01/30/1979 | USRE29891 System for detecting small openings in hollow bodies |
| 01/30/1979 | US4137462 Probe for measuring steam quality |
| 01/30/1979 | US4137161 Maintaining same pressure in sample cell and reference cell |
| 01/30/1979 | US4136961 Method and apparatus for detection of inclusions in glass article or the like |
| 01/30/1979 | US4136960 Test apparatus for optical waveguides |
| 01/30/1979 | US4136959 Method for analyzing one ingredient of a three ingredient mixture |
| 01/30/1979 | US4136953 Nephelometer with detection system focused on optical dark region |
| 01/30/1979 | US4136951 Separation and analysis of particle coatings |
| 01/30/1979 | US4136930 Method and apparatus for detecting foreign particles in full beverage containers |
| 01/30/1979 | US4136779 Ampule score line detection |
| 01/30/1979 | CA1047622A1 Register control scanner assembly and method |
| 01/30/1979 | CA1047621A1 Apparatus for detecting defect locations at the surface of a moving reflecting material |
| 01/30/1979 | CA1047620A1 Optical detection apparatus |
| 01/30/1979 | CA1047603A1 Process to determine the dosage of the flocculant to be added to a liquid scheduled for treatment |
| 01/30/1979 | CA1047379A2 Test system |
| 01/30/1979 | CA1047276A1 Convergent light illuminated flow cell for liquid chromatography |
| 01/24/1979 | EP0000328A1 Measuring method and device for detecting errors in printed sheets and bands |
| 01/23/1979 | US4135883 Blood analyzer system |
| 01/23/1979 | US4135818 Platelet aggregation monitoring device |