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)
11/1991
11/21/1991DE4015988A1 IR tomograph based on confocal imaging principal - uses either IR radiation source for computer tomography or IR radiation from cells in biological tissue
11/21/1991DE4015893A1 Contactless and non-destructive structure testing appts. - scanning inner or outer surface of absorptive test piece by modulated excitation laser beam
11/21/1991DE4015623A1 Impurity gas distribution imaging system - useful for monitoring atmos. pollution
11/20/1991CN2089173U Composite sensor for measuring combustible gas concentration
11/20/1991CN1056354A Discriminating spectroscopy of optical profile of transparent object obtained by frustrated evanescent field scanning optical microscopy
11/19/1991WO1991018278A1 Method and apparatus for determining the image clarity of a surface
11/19/1991US5067093 Reference reading in an analyzer
11/19/1991US5067092 Prespot detection method and apparatus in an analyzer
11/19/1991US5067085 Optical robotic canopy polishing system
11/19/1991US5066865 Single sided reflectance sensor for measuring select physical properties of a material using one or more wavelengths of radiation
11/19/1991US5066859 Hematocrit and oxygen saturation blood analyzer
11/19/1991US5066600 Multiple waste isolation system
11/19/1991US5066599 Silicon crystal oxygen evaluation method using fourier transform infrared spectroscopy (ftir) and semiconductor device fabrication method using the same
11/19/1991US5066132 Method of and apparatus for inspecting paint coating
11/19/1991US5066125 Electrothermal direct injection torch for inductively coupled plasma
11/19/1991US5066124 Atomic absorption spectrophotometer for simultaneous multi-element analysis
11/19/1991US5066123 Device for electrothermal atomizing of samples for spectroscopic purposes
11/19/1991US5065613 Method for the direct presentation of a differential measured quantity in terms of its correct physical unit
11/19/1991CA2042794A1 Configuration fiber-optic blood gas sensor bundle and method of making
11/19/1991CA1292296C Fiber optic detector for flotation cell processing
11/18/1991WO1991018292A1 Highly reflective biogratings and method
11/18/1991CA2081776A1 Highly reflective biogratings and method
11/15/1991WO1991018236A2 Internal pipe inspection system
11/15/1991CA2040918A1 Inspection of container finish
11/14/1991WO1991017429A1 Installation for the study or transformation of sample surfaces in a vacuum or controlled atmosphere
11/14/1991WO1991017427A1 Method for determining a specific ligand in a fluid sample with the aid of an evanescent field, and also a component of the requisite measuring equipment suitable for this purpose
11/14/1991WO1991017426A1 Split flow for uniform multisensor detection
11/14/1991WO1991017425A1 Apparatus for analysing optical properties of transparent objects
11/14/1991DE4014572A1 Medical monitoring sensor for bleeding under bandage - responds to change in bandaging material i.e. dampness and/or colour to release alarm via evaluating circuit
11/14/1991DE4013588A1 Immunological agglutination reaction detecting device
11/13/1991EP0456217A2 Optical inspection apparatus and illumination system particularly useful therein
11/13/1991EP0456202A2 Particle monitor system and method
11/13/1991EP0456126A1 Method and apparatus for the optical control of the quality of needles of a knitting machine
11/13/1991EP0456084A1 Wet vacuum machine
11/13/1991EP0456083A1 Air filter choke indication device for vacuum cleaners, room filters and the like
11/13/1991EP0455968A2 Detection system for capillary electrophoresis
11/13/1991EP0455857A1 Improved methods and apparatus for retroreflective surface inspection and distortion measurement
11/13/1991EP0455730A1 Material and method for oxygen sensing.
11/13/1991EP0455702A1 Quantitative immunoassay system
11/13/1991EP0455642A1 Sensor for optical assay
11/13/1991EP0446245A4 Electrochemiluminescent assays
11/13/1991EP0441791A4 Portable hemoglobinometer
11/13/1991EP0431025A4 Smog monitor
11/13/1991EP0418353A4 Optical probe for fluid light transmission properties
11/13/1991EP0417140A4 Method and apparatus for conducting electrochemiluminescence measurements
11/13/1991EP0180626B1 $i(IN VITRO) TEST FOR OCULAR TOXIC PROPERTIES
11/13/1991CN2088690U Refratometer for on line measuring mash concentration
11/13/1991CN1056169A On-line detector for cod
11/13/1991CN1014742B Multi-part differential analyzing apparatus utilizing light scatter techniques
11/12/1991WO1991018277A1 Gas analysis system having buffer gas inputs to protect associated optical elements
11/12/1991US5065036 Light detection and control system
11/12/1991US5065025 Gas sample analysis provided by light pipe radiation structure
11/12/1991US5065019 Method for determining petroleum saturation in a subsurface
11/12/1991US5064765 Assay for determining the propensity of a person to form kidney stones
11/12/1991US5064756 Microbial susceptibility assay using 7-n-(aminoacyl)-7-amido-4-methylcoumarins
11/12/1991US5064619 Surface lasmon resonance, refelctive optics
11/12/1991US5064615 Method and reagent for determining the ionic strength of specific gravity of aqueous liquids
11/12/1991US5064530 Fluid contamination detecting apparatus
11/12/1991US5064291 Method and apparatus for inspection of solder joints utilizing shape determination from shading
11/12/1991US5064287 Sample flow cell with circumferentially uniform radial flow pattern at its entrance and/or exit ports
11/12/1991US5064283 Spectroscopy characterization module
11/12/1991US5064282 Photometric apparatus and method for measuring hemoglobin
11/12/1991US5064281 Method and apparatus for simplifying and improving consistency of color grading of gemstones
11/12/1991US5064259 Apparatus for scanning a photo-stimulable phosphor sheet
11/12/1991US5064204 Analyzer sealing member
11/12/1991CA2082657A1 Gas analysis system having buffer gas inputs to protect associated optical elements
11/07/1991DE4008072C1 Multi-angle viewing arrangement for fixed object - produces two beam paths at angle between stereoscopic microscope and mineral or rock specimen
11/06/1991EP0455606A1 Device for determination of very low concentrations of elements by atomic emission spectrometry
11/06/1991EP0455471A2 Improved chemiluminescent reagents and methods
11/06/1991EP0455392A2 Method for data transformation
11/06/1991EP0455125A2 Method and apparatus for generating and detecting an agglomeration reaction in a liquid sample
11/06/1991EP0455067A2 Micro-optical sensor
11/06/1991EP0454886A1 An improved method and apparatus for measurement of oxygen concentration
11/06/1991EP0454834A1 Optics and method for measuring fluorescence polarization
11/06/1991EP0138833B1 Cell viability assay methods and apparatus
11/06/1991CN2088251U Apparatus for measuring cotton lint percentage
11/06/1991CN1055997A Method and device for laser holographic test of welded dots on pcb
11/06/1991CN1014636B Method and deivce for detecting unwanted materials among cullet
11/06/1991CN1014635B Detector and analyzer for rapid-determing of multi-dimensional characteristics and vectors of blood
11/06/1991CA2041830A1 Suction device for liquids
11/06/1991CA2041829A1 Apparatus for indicating how dirty an air filter is in a vacuum-cleaning apparatus, in a room filter, etc.
11/05/1991WO1991017422A1 Apparatus and method for analyzing particles suspended in a liquid
11/05/1991US5063301 Noninvasive method and apparatus using coherent backscattering for process control
11/05/1991US5063297 Apparatus for detecting fluorescence of a luminescent material
11/05/1991US5063275 Method and apparatus for gas analysis
11/05/1991US5063178 Freeze-dried blood gas sensor
11/05/1991US5063164 Air pollution detection, protective device
11/05/1991US5062942 Fluorescence detection type electrophoresis apparatus
11/05/1991US5062714 Apparatus and method for pattern recognition
11/05/1991US5062713 Method for determining the residence time distribution of a polymer extruder
11/05/1991US5062711 Method and apparatus for inspecting workpieces
11/05/1991US5062709 Process for monitoring particle size and moisture content of finely divided material
11/05/1991US5062708 Capacitively coupled plasma detector for gas chromatography
11/05/1991US5062707 Surface contamination sensor
11/05/1991US5062706 High pressure fluid sample flow cell with circumferential window edge seal
11/05/1991CA2082043A1 Apparatus and method for analyzing particles suspended in a liquid
11/04/1991WO1991017154A1 Aminoalkylcarbamyl derivatives of forskolin as intermediates for the synthesis of useful forskolin derivatives
11/04/1991CA2081902A1 Aminoalkylcarbamyl derivatives of forskolin as intermediates for the synthesis of useful forskolin derivatives
10/1991
10/31/1991WO1991016619A1 Inspecting garments
10/31/1991WO1991016618A1 On-line titration using colorimetric end point detection
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