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)
04/1982
04/20/1982US4325910 Photometers
04/20/1982US4325635 Heterodyne indicial refractometer
04/20/1982CA1122299A1 Flaw detecting apparatus
04/20/1982CA1122298A1 Glass fragment detector
04/14/1982EP0049561A1 Method and apparatus for repeated monitoring of optical absorption by a plurality of specimens
04/14/1982EP0049526A2 Method and apparatus for the determination of the oxygen equilibrium curves of blood or haemoglobin solutions
04/13/1982US4324589 Colorimetric analysis of electroless plating solution
04/13/1982US4324556 Portable COHB analyzer
04/13/1982CA1121764A1 Method of detecting heat seal breaks and package thereof
04/07/1982EP0049220A1 Device with a double optical probe for determining the refractive index led back to a reference temperature in a fluid
04/06/1982USRE30895 Filter paper dispenser
04/06/1982US4323785 Method of and apparatus for observing sheet surfaces for traces of fluorescent materials thereon
04/06/1982US4323777 Hydrocarbon gas analyzer
04/06/1982US4323311 Apparatus and method for detecting holes in sheet material
04/06/1982US4323171 Beverage dispensing device and container therefor
04/06/1982US4323158 Bottle neck finish inspection apparatus
04/06/1982US4322967 Method and apparatus for measuring optical coupling coefficients
04/06/1982US4322871 Link cutter
04/06/1982CA1121381A1 Agent for the removal of turbidities in sera and process for the preparation thereof
04/06/1982CA1121345A1 Method for competitive protein binding assays inhibiting non-specific interference
04/06/1982CA1121255A1 Vapor permeation time-temperature indicator
04/06/1982CA1121242A1 Fiber optic ph probe
04/01/1982WO1982001070A1 Method and apparatus for quantitatively determining the level of hemoglobin in a biological sample
03/1982
03/31/1982EP0048568A2 Defect analysis system
03/30/1982US4322621 Folded path absorption cell gas sensor
03/30/1982US4322165 VUV Plasma atomic emission spectroscopic instrument and method
03/30/1982US4322164 Sterilizable, disposable optical scattering reference medium and container assembly
03/30/1982CA1120833A1 Analytical determination of lipase
03/30/1982CA1120757A1 Device for separating a light beam emitted by a source from a coaxial reflected beam received by a sensor
03/24/1982EP0048237A2 Method and measurement device for determining the particle content of combustion exhaust gases
03/24/1982EP0048072A2 Method and apparatus for inspecting nuclear fuel pellets
03/24/1982EP0047936A1 Method and device for the opto-electronic monitoring of superficiel structures on rotation-symmetrical bodies
03/23/1982US4321595 Smoke detector
03/23/1982US4321466 Sensitivity test system for photoelectric smoke detector by changing light source intensity
03/23/1982US4321465 Infrared assay of kerogen in oil shale
03/23/1982US4321057 Method for quantitative analysis using optical fibers
03/23/1982US4320978 Integration sphere type turbidimeter
03/23/1982US4320977 Method for optically assaying liquid samples with polyganol transparent stirrer
03/23/1982US4320975 Passive smoke plume opacity monitor
03/23/1982US4320970 Photon counting fluorimeter
03/23/1982US4320967 Apparatus for measuring a radiation affecting parameter of a film or coating
03/23/1982US4320668 Sub-lance assembly for sampling and temperature-measuring of molten metal during refining thereof
03/18/1982WO1982000891A1 Method and device for structural superficial and deep analysis of a body
03/17/1982EP0047679A2 Display analyzer and method for analyzing an image from a unit under test
03/17/1982EP0047612A1 Apparatus for detecting flaws in internal coatings on moving open-mouth containers
03/17/1982EP0047292A1 Photometric apparatus and method
03/17/1982EP0047272A1 Measurement of refractive index profile.
03/16/1982US4320297 Split detector
03/16/1982US4320291 Optical instrument
03/16/1982US4319884 Automatic colorimetric analyzer
03/16/1982US4319883 Method for determining catecholic compounds and their related compounds
03/16/1982US4319847 Apparatus to measure select properties of a moving sheet with improved standardization means
03/16/1982US4319842 Photomultiplier protector for a fluorometer
03/16/1982US4319841 Micro-cuvette unit for facilitating the identification of samples
03/16/1982US4319840 Method and a device for inspecting bodies having a multiplicity of parallel channels extending therethrough
03/16/1982CA1120132A1 Flame sensing system
03/16/1982CA1119835A1 Disposable blood chamber
03/16/1982CA1119829A1 Absorption spectrophotometer
03/10/1982EP0047094A1 Analytical optical instruments
03/10/1982EP0047049A1 Opacity monitoring apparatus
03/10/1982EP0046783A1 A method fpr quantitatively determining components in a sample.
03/09/1982US4319271 Automated plate reader
03/09/1982US4319269 External appearance inspecting system
03/09/1982US4319138 Housing for turbidimeter sensor
03/09/1982US4318618 Apparatus for automatically measuring changing values of absorbance
03/09/1982US4318615 Automatic rate analyzing method
03/09/1982US4318614 Emission spectral analysis device
03/09/1982CA1119427A1 Gas analyzer and gas analyzing method
03/09/1982CA1119426A1 Apparatus and method for quantitative determination of immunological reactions
03/04/1982WO1982000717A1 Method and apparatus for photometric detection in fluids
03/04/1982WO1982000716A1 Gas analyzer
03/03/1982EP0046601A2 Method and device for the colorimetric determination of the concentration of a chemical substance, especially the partial pressure of a blood-dissolved gas
03/03/1982EP0046563A1 Process for performing analytical determinations by means of the chemiluminescent method, and application of this process to immuno assays
03/02/1982US4317698 End point detection in etching wafers and the like
03/02/1982US4317632 Method and means for optical inspection of the interior surface of tubing
03/02/1982CA1119269A1 Smoke detector with test means for simulating a pre-determined percentage of smoke
02/1982
02/24/1982EP0046430A1 Method for real-time detection and quantification of agglutinates
02/24/1982EP0046389A2 Infra-red gas analyzer and cell for use therewith
02/24/1982EP0046241A1 Device for the detection of irregular features at the brim of a container
02/23/1982US4317113 Photoelectric smoke sensor
02/23/1982US4316872 Ring of cells for analytical devices
02/23/1982CA1118608A1 Automatic photometric titrator
02/17/1982EP0046087A2 Method and apparatus for chemical analysis
02/17/1982EP0046058A2 Web monitoring apparatus
02/17/1982EP0045899A1 Test body for ascertaining the detection performance of an inspection penetrating agent
02/16/1982US4316147 Laser beams of different frequencies-magnetic fields
02/16/1982US4315754 Flow injection analysis with intermittent flow
02/16/1982CA1118525A1 Bottle inspection apparatus
02/16/1982CA1118231A1 Flame head for flame photometric detector used in gas chromatography
02/10/1982EP0045495A1 Laser nephelometric system
02/10/1982EP0045407A1 Device for the opto-electronic monitoring of dirtiness at the bottom of transparent containers
02/10/1982EP0045362A1 Apparatus for the spectral analysis of the chemical composition of metallic pieces
02/09/1982US4314970 Rotor assemblies for use in photometric centrifugal analyzers
02/09/1982US4314968 Simultaneous analysis apparatus
02/09/1982US4314764 Chemical analysis sample control
02/09/1982US4314763 Defect detection system
02/09/1982US4314474 Crack detection by vapor condensation
02/09/1982CA1118070A2 Cavity identification of mold of origin
02/05/1982EP0036017A4 Apparatus for analysis.
02/04/1982WO1982000361A1 Photometer
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