Patents
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)
09/1987
09/01/1987US4691106 Apparatus for determining reflectivity of an object such as a mirror
09/01/1987US4690900 Procedure for photometric measurement of liquids in reaction vessels, and reaction vessel
09/01/1987US4690899 Using centrifugal force
09/01/1987US4690565 Optical apparatus for the detection of scattered light
09/01/1987US4690562 Gas analysis apparatus and method
09/01/1987US4690560 Optically based measurement of fluid parameters
09/01/1987US4690558 Method of laser emission spectroscopical analysis and apparatus therefor
09/01/1987US4690553 Road surface condition detection system
09/01/1987CA1226348A1 Inspection system utilizing dark-field illumination
08/1987
08/27/1987WO1987005110A1 Glow discharge lamp and use thereof
08/27/1987WO1987005109A1 Method for measuring the properties of a composition consisting of a liquid and solid particles and apparatus used in the method
08/27/1987WO1987005108A1 An in situ particle size measuring device cross-reference to related applications
08/27/1987WO1987004931A1 An indicator sheet for an autoclave test pack
08/27/1987DE3636487A1 Drahtverarbeitungsvorrichtung mit einer kontrolleinrichtung Wire processing device having a control device
08/27/1987DE3605518A1 Measuring cell for spectrometry and method for measuring the absorption or emission of a sample in the tube interior of this measuring cell
08/26/1987EP0233694A2 Process and apparatus for analyzing a gaseous mixture and a visible emission spectra generator therefor
08/26/1987EP0233327A2 Apparatus for optically measuring the density of gases
08/26/1987EP0233316A2 Colorimeter
08/26/1987EP0233294A1 Frame assembly of a photoelectric smoke sensor
08/26/1987CN87100685A Original position particle size measurer
08/26/1987CN86210309U Turbidity meter
08/25/1987US4689754 Optimization apparatus and procedure
08/25/1987US4689491 Semiconductor wafer scanning system
08/25/1987US4689305 Luminescence, amplification, switches
08/25/1987US4689202 Colorimetric analysis
08/25/1987US4688943 Fluid optical density (opacity) probe
08/25/1987US4688942 Radial and azmuthal non-resonant open-tubular optoacoustic cell
08/25/1987US4688939 Method and apparatus for inspecting articles
08/25/1987US4688936 Matrix isolation apparatus with extended sample collection capability
08/25/1987US4688935 Plasma spectroscopic analysis of organometallic compounds
08/25/1987CA1225943A1 Cuvette array
08/25/1987CA1225912A1 Colorimetric ethanol analysis method and test device
08/25/1987CA1225844A1 Method of continuously analyzing fluidized body by laser and apparatus therefor
08/20/1987DE3609552C1 Device for the automatic determination of a sedimentation in blood
08/20/1987DE3605234A1 Optical test device
08/20/1987DE3605047C1 Gas measuring and warning device
08/20/1987DE3604815A1 Microscope photometer
08/20/1987DE3604537A1 Method and device for measuring the dopant concentration in the melting zone of indium-doped silicon rods during crucible-less drawing of zones
08/19/1987EP0233124A2 Method for dosing neptunium using absorption spectrophotometry
08/19/1987EP0233120A2 Method and device for the measurement and analysis of the physical parameters of a layered material using thermal radiometry
08/19/1987EP0233108A1 In vivo dosage spectrophotometer
08/19/1987EP0232986A1 Method and apparatus for in vivo ocular wetting determinations
08/19/1987EP0232939A1 Method and device for determining the quantity of dispersed solid material in a liquid
08/19/1987EP0232771A2 Optical scanning system
08/19/1987EP0232265A1 Process and device for testing liquid medicaments.
08/19/1987EP0071645B1 Double beam photometer for measuring fluid samples
08/19/1987CN87100617A Optical scanning apparatus
08/18/1987US4687943 Optical motion picture film inspection system
08/18/1987US4687934 Infrared gas analyzer with automatic zero adjustment
08/18/1987US4687638 Device for detecting and quantifying agglutinates
08/18/1987US4687338 Method of measurement of haze in transparencies
08/18/1987US4687337 Atmospheric Aerosol extinctiometer
08/18/1987US4687336 Measurement of optical density via nephenometry
08/18/1987US4687329 Spectrophotometer
08/18/1987US4687327 Oil mist monitor
08/18/1987US4687107 Apparatus for sizing and sorting articles
08/18/1987CA1225719A1 Optical smoke detectors
08/18/1987CA1225718A1 Infra red absorption gas detector
08/18/1987CA1225589A1 Fluorescent multiparameter particle analysis
08/18/1987CA1225534A1 Apparatus for measuring optical properties of paper
08/13/1987WO1987004804A1 Microspectrofluorimeter
08/13/1987WO1987004791A1 Automatic printed circuit board imaging system
08/13/1987WO1987004716A1 Use of lanthanide chelate fluorophores based on dihydropyridine condensation products
08/13/1987DE3604032A1 Arrangement for the continuous monitoring and measurement of the concentration of chlorinated hydrocarbons
08/12/1987EP0232130A2 Biological and analytical uses of phenalenone and benzphenalenone compounds
08/12/1987EP0232129A2 Hydrolyzable fluorescent substrates for phosphatases and analytical use thereof
08/12/1987EP0231941A2 Method for inspection of printed circuit board assembly by arithmetic comparison of several pictures in different colours
08/12/1987EP0231769A2 Apparatus for measuring the opacity of the lens of the human eye
08/12/1987EP0231652A2 Hematocrit measuring apparatus
08/12/1987EP0231639A2 Gas analyzer and a source of IR radiation therefor
08/12/1987EP0231542A2 Particle detector for wafer processing equipment and method of detecting a particle
08/12/1987EP0231499A1 Activatable time-temperature indicator
08/12/1987EP0231495A2 One-step method and polynucleotide compounds for hybridizing to target polynucleotides
08/12/1987EP0231470A2 Method of and apparatus for determination of trace constituents by simultaneous measurement of photoluminescence and photoacoustic signal
08/12/1987EP0231390A1 Assembly for mounting light-emitting element and light-receiving element in photoelectric smoke sensor
08/12/1987EP0231355A1 Optical-type, phase transition, humidity-responsive devices
08/12/1987EP0231264A1 Method and apparatus for nondestructively determining the characteristics of a multilayer thin film structure.
08/12/1987EP0231179A1 Concentration meter
08/12/1987CN86207471U Instant beeswax detector
08/12/1987CN86205111U Fabric surface deformeter
08/11/1987US4686565 Method and apparatus for visually examining an array of objects disposed in a narrow gap
08/11/1987US4686371 Apparatus for measuring fluorescence decay characteristics of materials
08/11/1987US4686366 Laser mass spectrometer
08/11/1987US4685880 Cuvette belts and manufacture of same
08/11/1987US4685808 Method of discriminating colors of an object
08/11/1987US4685803 Method and apparatus for the measurement of the refractive index of a gas
08/11/1987US4685802 Small particle detection system
08/11/1987US4685801 Apparatus for absorptiometric analysis
08/06/1987DE3701833A1 Method for the optical determination of a catalytic enzyme activity of a sample, and an arrangement for carrying out the method
08/06/1987DE3637125A1 Reflection-measuring arrangement for spectrophotometer
08/05/1987EP0231127A2 Composition, element and method using polymeric mordants to increase the intensity of rigid fluorescent dyes
08/05/1987EP0231126A2 Fluorescent dyes and biological and analytical uses thereof
08/05/1987EP0231086A2 Gas-sensing optrode
08/05/1987EP0231027A2 Transmissivity inspection apparatus
08/05/1987EP0231004A2 Method for the self-monitoring of an opto-electronic crack detection device, particularly by the magnetic-powder method
08/05/1987EP0230692A1 Device for ascertaining the composition of combustion gases in internal combustion engine
08/05/1987EP0230679A1 Fiber-optic probe
08/05/1987EP0230671A1 Video-mobile surveillance device
08/05/1987EP0230618A1 Method and apparatus for delivering a predetermined quantity of plasma from a blood sample for the analysis
08/05/1987EP0230578A1 Scanning laser microscope