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)
05/1989
05/03/1989EP0313655A1 Oxygen concentration probe
05/03/1989EP0313648A1 Process for nitrogen oxides reduction and minimization of the production of other pollutants.
05/03/1989DE3831880A1 Method for the examination of ultra-fast processes
05/03/1989CN1004104B High speed multiple frames interferometer for transient flow field
05/02/1989US4827143 Monitor for particles of various materials
05/02/1989US4827142 Method and system for optically testing sawn timber for faults
05/02/1989US4827141 Subresolution element spatial measurement technique
05/02/1989US4827134 Device for collecting samples
05/02/1989US4827121 System for detecting chemical changes in materials by embedding in materials an unclad fiber optic sensor section
05/02/1989US4826759 Field assay for ligands
05/02/1989US4826660 For detecting light
05/02/1989US4826659 Apparatus for feed-in and ejection of chemical analysis slide
05/02/1989US4826327 Dewpoint meter
05/02/1989US4826319 Method and apparatus for measuring immunological reaction with the aid of fluctuation in intensity of scattered light
05/02/1989US4826318 Apparatus for electrothermal atomization
05/02/1989US4826317 Split-image optical system for the observation of surface structures
05/02/1989US4826316 Radiation detection apparatus
05/02/1989US4826314 Echometer for locating defects which affect light conductors
05/02/1989US4826313 Method of analysis
05/02/1989CA1253357A1 Multi-probe system for measuring bubble characteristics gas hold-up, liquid hold-up and solid hold-up in a three-phase fluidized bed
04/1989
04/27/1989DE3833899A1 Spectral-photometric device for measuring distance
04/27/1989DE3735286A1 Method for determining the composition of mineral deposits
04/27/1989DE3735013A1 Tubular furnace for the electrothermal atomisation of samples in atomic absorption spectroscopy
04/27/1989DE3734588A1 Recording photometer of high adaptability
04/27/1989DE3734401A1 Laser absorption spectrometer
04/27/1989DE3734192A1 Verfahren zum automatischen messen der fadendichte pro laengeneinheit, zb cm, von bewegten warenbahnen A method for automatically measuring the thread density per laengeneinheit, eg cm, were moving tracks
04/26/1989EP0312919A2 Device for determining of superficial humidity
04/26/1989EP0312826A2 Device for analysing a plurality of gases
04/26/1989EP0312788A2 Device for measurement of visual range
04/26/1989EP0312765A2 Nulling optical bridge for contactless measurement of changes in reflectivity and/or transmissivity
04/26/1989EP0312761A1 Device for checking linear dimensions of parts
04/26/1989EP0312736A1 Surface profile analyzer
04/26/1989EP0312650A1 Process and device for material machining using a laser
04/26/1989CN2036668U Smoke intensity automatic monitoring apparatus
04/26/1989CN1032587A optoacoustic spectroscopy
04/25/1989USRE32912 Parabolic focusing apparatus for optical spectroscopy
04/25/1989USRE32911 Adjustable waveform spark source
04/25/1989US4825407 Method and circuit for controlling single chip microcomputer
04/25/1989US4825094 Real time particle fallout monitor with tubular structure
04/25/1989US4825076 Infra-red spectrophotometric apparatus
04/25/1989US4824791 Thermostated cuvette set
04/25/1989US4824790 Furnace, optical analysis cell
04/25/1989US4824789 Gas sensor
04/25/1989US4824640 Transparent test strip system
04/25/1989US4824250 Non-destructive testing by laser scanning
04/25/1989US4824249 Systems for the direct analysis of solid samples by atomic emission spectroscopy
04/25/1989US4824248 Stabilized sensor device
04/25/1989US4824244 Sensor for mixing ratio of gasoline and alcohol or the like
04/25/1989US4824242 Non-invasive oximeter and method
04/25/1989US4824241 Atomic spectroscopy
04/25/1989US4824240 Internal laser interferometer
04/25/1989US4824209 Generating a narrow beam
04/25/1989US4824206 Modular fiber optic chemical sensor
04/25/1989US4823841 Fluid mixing device, in particular hot and cold water mixing device
04/25/1989CA1253061A1 Method of determining rapidly the concentration of the total sulphur dioxide and the lignosulphonate present in sulphite pulping process liquors
04/20/1989WO1989003525A1 Single molecule tracking
04/20/1989WO1989003524A1 Solution loading analyzer
04/20/1989WO1989003523A1 Gas analyzer
04/20/1989WO1989003522A1 Method and apparatus for controlling and detecting modifications of a surface condition
04/20/1989WO1989003515A1 Multi-channel molecular gas analysis by laser-activated raman light scattering
04/20/1989WO1989003508A1 Device for checking linear dimensions of parts
04/20/1989WO1989003507A1 Device for checking linear dimensions of parts
04/20/1989WO1989003193A1 Apparatus and method for use in pulse oximeters
04/20/1989DE3833752A1 Illumination arrangement for a device for controlling planar structures, in particular textile webs
04/20/1989DE3734001A1 Apparatus for atomic absorbtion spectroscopy
04/19/1989EP0312293A2 Sensing device for analysis
04/19/1989EP0311991A2 Method and apparatus for detecting significant difference of sheet material
04/19/1989EP0311990A2 Method and apparatus for detecting disparity of cyclic length of printed patterns
04/19/1989EP0311761A2 Tubular furnace for the electrothermal atomization of samples in atomic absorption spectroscopy
04/19/1989EP0311655A1 Multi-part differential analyzing apparatus utilizing light scatter techniques.
04/19/1989EP0097695B1 Procedure for the production of a humidity-sensitive interference mirror, and procedure and equipment for the measurement of the humidity using said mirror
04/19/1989CN1032456A 测量头 Measuring head
04/18/1989US4823394 Pattern recognition system
04/18/1989US4823169 Reflection density measuring system
04/18/1989US4823168 Flow-through cell for a photometer formed using a pair of cell body members
04/18/1989US4823167 Catheter calibration device
04/18/1989US4823166 Optical time-domain reflectometry
04/18/1989US4823008 Apparatus and methods employing infrared absorption means to measure the moisture content of heavy grades of paper
04/18/1989US4822878 Cyclic anhydride derivatives of chromophors
04/18/1989US4822746 Mixing absorber ligand and fluorophor, transferring energy, emission of light of different wavelength
04/18/1989US4822743 Method and cloth for detecting leaks in closed bodies
04/18/1989US4822568 For use with renal dialysis or artificial cardiopulmonary systems
04/18/1989US4822564 Photodiode receivers light emitted by reaction with ozone; for exhaust gases from internal combustion engines
04/18/1989US4822169 Measuring assembly for analyzing electromagnetic radiation
04/18/1989US4822168 Spectroscopic photometer for flow through sample absorption
04/18/1989US4822167 Laser fluorometric detector for microcolumn chromatography
04/18/1989US4822166 Flow-through cells for spectroscopy
04/18/1989US4822165 Device for illuminating components of transparent material in testing for irregularities
04/18/1989US4822127 Multi-channel optical transmission system
04/18/1989CA1252849A1 Glassware inspection using optical streak detection
04/18/1989CA1252824A1 Body fluid data storage by light flux values from impregnated reagent
04/18/1989CA1252703A1 Diagnostic saliva test for detecting periodontal disease
04/18/1989CA1252701A1 Cuvette
04/18/1989CA1252645A1 Method and apparatus for measuring water content
04/18/1989CA1252644A1 Color sensor
04/13/1989DE3832906A1 Photo-acoustic spectrometer
04/13/1989DE3732181A1 Apparatus for producing and comparing the spark or arc discharges of material samples of metal
04/12/1989EP0311561A1 Measuring head
04/12/1989EP0311518A2 On-line paper sheet strength determination method and device
04/12/1989EP0311382A2 Analysis method for atomic emission spectrometry