Patents
Patents for G01N 15 - Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials (29,551)
04/1992
04/24/1992WO1992007244A1 An hplc light-scattering detector for biopolymers
04/21/1992US5107422 Method and apparatus for measuring multiple optical properties of biological specimens
04/21/1992US5106187 Method and apparatus for the indentification of particles
04/21/1992US5106186 Method for determining fibrin fiber size from a single gel optical density measurement
04/15/1992EP0479977A1 Automated cytological specimen classification system and method.
04/15/1992EP0199760B1 Dust flow inducing monitor
04/15/1992CN1060357A Air permeability measurer for web paper
04/15/1992CN1016304B High-voltage generator with low current loss
04/14/1992US5105093 Apparatus for measuring particle size distribution by making use of laser beam diffraction and scattering
04/14/1992US5104553 Apparatus for filtering a reagent
04/14/1992US5104221 Particle size analysis utilizing polarization intensity differential scattering
04/08/1992EP0479569A2 Tube clarifier method for monitoring and/or controlling clarification processes
04/08/1992EP0479231A1 Apparatus and method for measuring specimen
04/07/1992USH1040 Method for measuring filter efficiency
04/07/1992US5102434 Collecting particles conveyed through honeycomb using a gas permeable screen, then visibly or automatically inspecting figures formed screen which represent defects in internal partition walls
04/07/1992US5101978 Fluidic sorting device for two or more materials suspended in a fluid
04/05/1992CA2052529A1 Tube clarifier method for monitoring and/or controlling clarification processes
04/03/1992WO1992006367A1 Imaging method for defining the structure of objects
04/03/1992CA2093347A1 Imaging method for defining the structure of objects
04/02/1992WO1992005572A1 Optical single particle detector with lenseless fiber optic probe
04/02/1992WO1992005424A1 Improvements in or relating to liquid flow systems
04/02/1992WO1992005423A1 Method and apparatus for measuring fibre flexibility
04/01/1992EP0478410A1 Probe for photoacoustic analysis
04/01/1992EP0478392A2 Particle analyzer and flow cell therefor
04/01/1992EP0478370A2 Method for obtaining porosity and permeability using minerology and textural parameters
04/01/1992CN2100623U Laser-diffraction size distribution tester
03/1992
03/31/1992US5101113 Ensemble scattering particle sizing system with axial spatial resolution
03/31/1992US5100627 Chamber for the optical manipulation of microscopic particles
03/29/1992CA2049498A1 Particle analyzer and flow cell therefor
03/26/1992DE4130987A1 Lubrication oil cleaning arrangement with separator contg. magnet - has iron@ slurry detection coil enabling long inspection intervals and machinery wear monitoring
03/25/1992EP0477038A2 Method and apparatus for discriminating moving granulate entities
03/25/1992EP0476014A1 Very large scale immobilized polymer synthesis.
03/25/1992EP0373169B1 A method and arrangement for determining the size and/or the shape of a freely falling object
03/25/1992CN1059792A 粒子尺寸分布测量仪 Particle size distribution measuring instrument
03/25/1992CA2051713A1 Probe for photoacoustic analysis
03/24/1992US5099521 Cell image processing method and apparatus therefor
03/24/1992US5098657 Apparatus for measuring impurity concentrations in a liquid
03/19/1992WO1992004611A1 Gas sampling device and dilution tunnel used therewith
03/18/1992EP0348469B1 Method of automatic particle analysis and means for performing the analysis
03/17/1992US5096826 Method of measuring specific surface area
03/17/1992US5096615 For gas borne particles of requiredd size and concentration; nebulizing feed solution with gas, drying in conical chamber
03/17/1992US5095740 System for monitoring and analyzing solid contaminents in fluids
03/14/1992CA2051061A1 Powder and granule inspection apparatus
03/11/1992EP0474187A2 Particle measuring aparatus
03/11/1992CN1015829B Method and equipment for testing dust content in waste gas
03/10/1992US5095451 Centrifuge particle size analyzer
03/10/1992US5094818 Self-filling anti-siphon flow system for particle analysis
03/10/1992US5094779 Method for measuring and testing the efficiency of gas mask filters using monodispersed aerosols
03/10/1992US5094533 Optoelectrical particle detection apparatus
03/10/1992US5094532 Method and apparatus for measuring small particle size distribution
03/10/1992CA1297186C Procedure and apparatus for analysing pulp slurry
03/04/1992EP0472522A1 Method and apparatus for screening cells or formed bodies with populations expressing selected characteristics.
03/03/1992USH1027 Aerosol modulating nozzle
03/03/1992US5093866 Fluorescence and motility characterization system for cells, bacteria, and particles in fluids
03/03/1992US5093234 Method of aligning, compensating, and calibrating a flow cytometer for analysis of samples, and microbead standards kit therefor
03/03/1992US5093083 Inhibition of breakdown caused by imperfect seal
03/03/1992US5092989 Sheath fluid filtering in a closed-cycle flow cytometer system
03/03/1992US5092675 Vacuum line particle detector with slab laser
03/03/1992US5092184 Cell staining system for flow cytometry
03/03/1992CA1296622C Method and apparatus for automated assessment of the immunoregulatory status of the mononuclear leukocyte immune system
02/1992
02/26/1992CN1015662B Particle analyzer for measuring resistance and reactance of particle
02/26/1992CN1015661B Experiment method for measuring relative penetration of oil, gas and water in reservoir core
02/25/1992US5090808 Particle measurement apparatus
02/25/1992US5090233 In-line analyzer for particle size distribution in flue gas
02/20/1992WO1992002807A1 Method and apparatus for detecting soot concentration in particulate trap
02/18/1992US5089714 Particle asymmetry analyzer having sphericity detectors
02/18/1992US5089416 Method of use of non-fluorescent particles to determine fluorescence threshold of a flow cytometer relative to the autofluorescence of samples
02/18/1992US5089234 Confining stabilizing fluid around valve
02/18/1992US5089126 Method and apparatus for capillary hydrodynamic fractionation
02/18/1992US5088816 Process and apparatus for analyzing cells
02/18/1992US5088316 Apparatus and method for testing material samples for gas diffusion characteristics
02/18/1992CA1296081C Method for detection of the presence of undesired microorganisms
02/12/1992EP0470810A1 One step test for absolute counts
02/12/1992EP0470345A1 Device and process for continuously measuring water soluble electric conducting dust emissions in water vapour containing waste gases
02/11/1992US5087823 Device for determining the characteristics of particles in suspension in a liquid
02/11/1992US5087295 Cleaning cycle for flow cytometers
02/11/1992US5086643 System and method for determining multi-phase relative permeability of a subterranean reservoir
02/11/1992CA1295492C Determining flow properties of particulate materials
02/08/1992CA2048004A1 One step tests for absolute counts
02/06/1992WO1992001934A1 Blood testing apparatus
02/06/1992WO1992001924A1 Device for continuously detecting contrast impurities contained in a moving fluid material
02/05/1992EP0469766A1 Preservation of cells as controls or standards in cellular analysis
02/05/1992EP0469097A1 Method for determination of glucose in whole blood and cuvette and photometer for carrying out said method.
02/05/1992CN1015405B Method of measuring particle diameter by optical fibre and apparatus thereof
02/04/1992US5086476 Method and apparatus for determining a proliferation index of a cell sample
02/04/1992US5085500 Non-imaging laser particle counter
01/1992
01/29/1992EP0468705A2 Method and apparatus for investigating and controlling an object
01/29/1992EP0468693A2 Self-compensating seal in a centrifugal field
01/29/1992EP0468100A1 Automatic focal-point adjustment method in flow imaging cytometer
01/29/1992EP0467952A1 Method and apparatus for screening cells or formed bodies with populations expressing selected characteristics utilizing at least one sensing parameter.
01/28/1992US5084629 Split flow uniform multisensor detection
01/28/1992US5084614 Optical single particle detector with lenseless fiber optic probe
01/28/1992US5084394 Method for corrective calibration of a flow cytometry using a mixture of fluorescent microbeads and cells
01/28/1992US5083865 Particle monitor system and method
01/28/1992US5083862 Liquid bubble detector
01/28/1992CA1295031C Uv scanning system for centrifuge
01/22/1992EP0467127A2 Method and device for optically detecting and evaluating scattered light signals
01/21/1992US5083014 Automatic focal-point adjustment method in flow imaging cytometer
01/21/1992US5082371 Method and apparatus for measuring entrained air in concrete
01/21/1992US5081863 Apparatus for measuring transmission of volatile substances through films