Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light
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)
10/1990
10/23/1990US4965208 Inspection of multipattern circuit boards
10/23/1990US4965095 Leaching, deoxidizing, realuminizing
10/23/1990US4965087 Method of making a sensor element for fluorescence-optical measurements
10/23/1990US4965047 Analytical test strip
10/23/1990US4964725 Correlational gas analyzer
10/22/1990WO1990013008A1 Transient spectroscopic method and apparatus for in-process analysis of molten metal
10/18/1990WO1990012310A1 Procedure and apparatus for determining size and/or shape distribution
10/18/1990WO1990012308A1 Method and apparatus for the identification of particles
10/18/1990WO1990011831A1 Cleaning device for cups
10/18/1990WO1990011830A1 Multianalyte test vehicle
10/18/1990DE4011991A1 Simultaneous sequencing of several DNA samples - by cloning into separate vectors, complementary strand synthesis from specific fluorescent labelled primers, electrophoretic sepn. etc.
10/17/1990EP0392862A2 Defect counting method and apparatus
10/17/1990EP0392693A2 On-line texture sensing
10/17/1990EP0392475A2 Analysis apparatus
10/17/1990EP0392337A2 Method for determining the concentration ratio of two elements in a substance from the intensity ratio of two spectral lines of these elements in a plasma of the substance
10/17/1990EP0392283A2 Test-support analysis system
10/17/1990EP0392102A1 Method for inspecting detecting and distinguishing sides of fabrics
10/17/1990CN2064057U Sub-elastic laser scattered beam measuring instrument
10/16/1990US4963924 Linewidth loss measurement
10/16/1990US4963745 Octane measuring process and device
10/16/1990US4963743 Apparatus for evaluating quality of raw coffee beans
10/16/1990US4963498 Detection of analyte by flow change after interaction with reagent
10/16/1990US4963028 Densitometric sensing device for use in printing presses
10/16/1990US4963027 Optical fiber connector and optical density measuring system
10/16/1990US4963024 Method and apparatus for determining K factor
10/16/1990US4963023 Correlational gas analyzer
10/16/1990US4963018 For measuring the distance from the apparatus to a surface
10/16/1990US4962746 Mixing liquid ratio detector device
10/16/1990US4962569 Method and apparatus for obtaining measuring values representing the thickness of a coherent fiber mass
10/16/1990CA1275330C Automatic focusing system of an observing means for inspecting an object
10/16/1990CA1275231C Capillary flow device
10/12/1990CA2014366A1 Method of determining the concentration ratio of two elements in a plasma from the intensity ratio of two spectral lines of these elements
10/11/1990DE3911472A1 Method for the refractometric measurement and stabilisation of wavelength or frequency
10/11/1990DE3911471A1 Heterodyne method for refractometric measurement and stabilisation of wavelength
10/11/1990DE3911052A1 Method for the reduction of the spectral width of excitation spectral lines
10/11/1990CA2014294A1 Analytical apparatus
10/10/1990EP0391801A1 Method and device for determining the angle of contact of a drop of liquid on a substrate
10/10/1990EP0391530A2 Method of measuring average particle size of granular material
10/10/1990EP0391256A2 Device and method for ascertaining the particle size distribution and particle total concentration in a gas, especially in air
10/10/1990EP0391153A2 Method for recording and reproducing a radiation image, panel and phosphors for storing a radiation image
10/10/1990EP0391040A2 Absorption microcopy and/or spectroscopy with scanning microscopy control
10/10/1990EP0391037A1 Dual reading head transmission/reflection densitometer
10/10/1990EP0390825A1 Device for optically scanning the surface of an object.
10/10/1990CN1046041A 分光光度计 Spectrophotometer
10/10/1990CN1009956B Automatic titrator for turbidity
10/10/1990CN1009955B Fiber optic probe for quantification of colorimetric reactions
10/09/1990US4962541 Pattern test apparatus
10/09/1990US4962319 Remote subsurface water temperature measuring apparatus with Brillouin scattering
10/09/1990US4962045 Following gel electrophoresis; conjugates
10/09/1990US4962043 Simplified detection implement
10/09/1990US4962021 Eliminates handling a wide variety of reaagents; accuracy
10/09/1990US4961646 Manual device for the detection of optical reflection properties
10/09/1990US4961645 Electrothermal atomization furnace
10/09/1990CA1274989A1 Method and apparatus for automated processing and aliquoting of whole blood samples for analysis in a centrifugal fast analyzer
10/09/1990CA1274987A1 Minimum carryover container, and analysis system incorporating the same
10/07/1990CA2014023A1 Method for recording and reproducing a radiation image, panel and phosphors for storing a radiation image
10/06/1990CA2013691A1 Methods and devices for detemining the contact angle of a drop of liquid placed on a substrate
10/04/1990WO1990011512A1 Device for determining a gaseous constituent of a measurement gas
10/04/1990WO1990011511A1 Method and apparatus for conducting electrochemiluminescent measurements
10/04/1990WO1990011509A1 Automated process monitoring
10/04/1990WO1990011508A1 Particulate detecting and optical coupling arrangements
10/04/1990WO1990011506A1 Vacuum-type optical cuvette
10/04/1990WO1990011505A1 Liquid-type thermostatically-controlled cuvette for spectroscopic measurements
10/04/1990WO1990011488A1 Real-time lumber grading process and system
10/04/1990CA2509500A1 Slope of grain detector, and method of detecting slope of grain, for lumber
10/03/1990EP0390623A2 Optical system for detecting properties of traveling sheet materials
10/03/1990EP0390415A1 Article coated with cured material
10/03/1990EP0390352A2 Apparatus for remotely controlled movement through tubular conduit
10/03/1990EP0390192A1 Spectrophotometer
10/03/1990EP0390072A1 Atomic absorption spectrophotometer and electromagnetic shut-off valve for use therein
10/03/1990EP0389896A2 Method and device for optically identifying and counting cell colonies in capillary tubes
10/03/1990EP0389571A1 Differential refractometer.
10/03/1990EP0389512A1 Particle asymmetry analyser
10/03/1990EP0268646B1 System for the analysis of sulphur in liquid hydrocarbons
10/03/1990EP0252127B1 Apparatus and method for nephelometric measurement of reactions
10/02/1990US4961207 Synchronization of digital signals with alternating current
10/02/1990US4960996 Rain sensor with reference channel
10/02/1990US4960585 Rapid hair pH indication and solution therefor
10/02/1990US4960195 Component-orienting apparatus
10/01/1990WO1990012309A1 Optical probe for fluid light transmission properties
09/1990
09/30/1990CA2050575A1 Real-time lumber grading method and system
09/30/1990CA2007647A1 Optical system for detecting properties of traveling sheet materials
09/26/1990EP0389446A2 Optical measurement device for measuring the protein contents of milk
09/26/1990EP0389312A2 System to verify conductor end connections to a connector and automatic connection installation using said system
09/26/1990EP0388872A2 Method for examination of surface structures
09/26/1990EP0388600A2 Inspection of container finish
09/26/1990EP0388502A1 Optical measuring device for detecting cavitation bubbles in fluids
09/26/1990EP0388454A1 Apparatus and method for inspecting glass sheets
09/26/1990EP0348496A4 Chemical vapor deposition of mixed oxide films
09/26/1990CN2062843U Sensor of flow-down type turbidity tester
09/26/1990CN2062842U Signal multiplier for laser spectrometer
09/26/1990CN2062841U Necessary amino acid tester
09/26/1990CN1045519A Detection imaging method of soft tissue and its apparatus
09/26/1990CN1009764B Method and apparatus for delivering a predetermined quantity of plasma from a blood sample for analysis purposes
09/25/1990USRE33357 Optical inspection apparatus for moving articles
09/25/1990US4959796 Method of producing analytical curve
09/25/1990US4959552 Microscope arranged for measuring microscopic structures
09/25/1990US4959549 Determination of properties of coal
09/25/1990US4959538 Inspection device
09/25/1990US4959537 Method and apparatus for inspecting transparent containers
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