Patents
Patents for G01N 15 - Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials (29,551)
07/1988
07/27/1988EP0275409A2 Particle analyzer and a system utilizing the same
07/26/1988US4760328 Particle counter having electrodes and circuitry mounted on the pane of the orifice
07/26/1988US4760272 Weather identification system
07/20/1988EP0274521A1 $i(IN VIVO) ANALYSIS OF RED BLOOD CELL INDICES
07/20/1988CN86108853A Data processing device for granularity measurement
07/19/1988US4758727 Method and apparatus for the measurement of low-level laser-induced fluorescence
07/19/1988CA1239442A1 Investigation of condition of biological particles
07/14/1988EP0144339A4 Method and stromatolysing reagent for the volumetric determination of populations of leukocytes.
07/13/1988EP0273976A1 Guiding apparatus for unmanned movable bodies
07/12/1988US4756884 For detecting presence of analyte in physiological fluid sample
07/12/1988US4756427 Method and apparatus for sorting particles
07/12/1988US4756183 Method and apparatus for measuring air permeability of a wall-like or sheet-like element
07/06/1988EP0273032A1 Process for determining a geometrical parameter for crimped, irregularly structured fibres.
07/06/1988CN87213022U Specific gravity concentration meter with microcomputer
07/06/1988CN87211407U Dry cement grading program-controlled laser analyser
07/05/1988US4755287 Five stage internal cell separator
07/05/1988US4755052 Apparatus for determining grain size
06/1988
06/30/1988DE3642992A1 Method of determining the degree of contamination of a cleaning component
06/29/1988EP0272260A1 Flow cell for particle scanner.
06/29/1988CN87106976A Particle analyzer for measuring resistance and reactance of particle
06/28/1988US4754149 Optical precipitation gauge which detects scintillations produced by particle movement in the light beam
06/28/1988US4753107 Core holder
06/22/1988CN87106641A 碎屑探测器 Debris detector
06/21/1988US4752690 Method and apparatus for detecting incongruities, such as air bubbles, in fluid material
06/21/1988US4752567 By subjecting to bright field or epipolarization microscopy; image contrast by video camera
06/21/1988US4752131 Laser-optical arrangement for measuring the degree of dispersion in flowing systems
06/16/1988DE3641716A1 Method and device for investigating a flow containing particles
06/16/1988DE3640164A1 Sedimentometer
06/15/1988EP0271470A2 Individual filter bag monitoring system for baghouses
06/15/1988CN87204329U Microcomputer controlled dust tester
06/15/1988CN85103520B Method of measuring air osmose and its meter
06/14/1988US4751501 In a variable air volume air conditioning duct system
06/09/1988DE3640304A1 Method and device for determining the filterability of a paper pulp
06/08/1988EP0269673A1 Particle counter air inlet assembly
06/08/1988EP0269672A1 Device for measuring magnetic particles in a liquid.
06/07/1988USH473 Capillary tube scanner
06/07/1988US4748849 Apparatus for dynamically measuring fluid loss characteristics
06/02/1988WO1988004045A1 High sensitivity optical imaging apparatus
06/02/1988WO1988003955A1 Differential binding of potential sensitive materials by lymphocytes
06/01/1988EP0268766A2 Method of classifying leukocytes by flow cytometry and reagents used in the method
06/01/1988DE3639552A1 Apparatus for determining the filterability of paper pulp
05/1988
05/31/1988US4747959 Analytical method and apparatus for characterizing latexes
05/31/1988US4747685 Biological microparticle inspection apparatus
05/31/1988US4747297 In the exhaust gas of a diesel engine
05/31/1988CA1237408A1 Centrifugal analyzer
05/25/1988EP0152456B1 Analysis of reservoir pore complexes
05/24/1988US4746215 Particle counter air inlet assembly
05/24/1988US4745798 Method and device for measuring parameters in a suspension
05/17/1988US4745285 Method for determining characteristics of cells
05/17/1988US4745279 A flowing bloodstream in real time
05/17/1988US4744240 Method for determining the bubble point or the largest pore of membranes or of filter materials
05/17/1988CA1236707A1 Photometric method for determining the concentration in reactions in which scattering centers are formed or consumed
05/11/1988EP0267021A2 Means of detecting metal in a stream of particulate matter
05/11/1988EP0266955A2 Diffusion measurement
05/11/1988EP0266894A2 Fineness gauge
05/10/1988US4743361 Separating in liquid medium by ultrasonic wave energy; biological particles
05/10/1988US4742718 Apparatus for measuring particle-size distribution
05/10/1988CA1236560A1 Process and apparatus for determining the interfacial area in a two-phase mixture incorporating a gaseous phase flowing in the form of bubbles
05/05/1988WO1988003267A1 Particle analyzer for measuring the resistance and reactance of a particle
05/04/1988EP0265620A2 Process for producing microprobe bodies for measuring pore sizes in ultra and microfilters, and probe bodies produced in this way
05/04/1988EP0265596A2 Blood sample sedimentation test kit
05/03/1988US4742009 Method for monitoring stack gases for uranium activity
05/03/1988US4741202 Moisture vapor transmission test cell
04/1988
04/27/1988EP0265229A2 Particle detection method and apparatus
04/27/1988EP0264813A2 Method of predicting remaining lifetime of metal material
04/27/1988EP0264427A1 Method and apparatus for identifying particulate matter
04/26/1988US4741043 Method of and an apparatus for image analyses of biological specimens
04/26/1988US4740077 Centrifugal measurement of core samples
04/26/1988US4739662 Ultrasonic particulate sensing
04/26/1988US4739647 Apparatus and method for continuously monitoring non-condensable gases in a flow of mixed gases
04/21/1988WO1988002855A1 Particle analysis apparatus
04/21/1988DE3636823C1 Method and arrangement for automatic image analysis
04/20/1988EP0263870A1 Interlaboratory quality assurance program.
04/19/1988US4739177 Light scattering particle detector for wafer processing equipment
04/19/1988US4738827 Capillary tube holder for test instruments especially blood tests and particularly for platelet counters, with two coaxial chambers
04/19/1988CA1235513A1 Method of film inspection with a microscopical image analyzer
04/19/1988CA1235256A1 Permanently non-dusting pigment and dye preparations, process for their manufacture and a measuring device therefor
04/14/1988DE3705876A1 Process and apparatus for flow cytometry
04/12/1988US4737652 Method for the periodic determination of a quantity to be measured, using a reference signal
04/12/1988US4737648 Apparatus for detecting fibrous particle sizes by detecting scattered light at different angles
04/12/1988US4737025 Flow chamber device for flow cytometers
04/12/1988US4736590 Apparatus and method for continuously monitoring non-condensable gases in a flow of mixed gases
04/07/1988WO1988002486A1 Debris detector
04/07/1988WO1988002482A1 Determination of particle size and electric charge
04/07/1988DE3727903A1 Method and apparatus for monitoring the concentration of aerosols in a gaseous medium
04/07/1988DE3704736C1 Method of rapidly analysing materials
04/07/1988DE3633162A1 Method and device for measuring and observing particle-size distribution and specific surfaces in suspensions
04/06/1988EP0262140A1 Method and apparatus for determining parameters of gaseous substances.
04/06/1988EP0262138A1 Method for measuring the fibre and filler concentration in the wet end of a paper machine and a control system using the method
04/05/1988US4736311 Particle size distribution measuring apparatus
04/05/1988US4735504 Method and apparatus for determining the volume & index of refraction of particles
03/1988
03/31/1988DE3632400A1 Method and device for characterising condensable impurities on a surface
03/30/1988EP0261868A2 Method for particle analysis
03/29/1988US4733684 Means and method for testing the homogeneity of a solution
03/22/1988US4732479 Particle analyzing apparatus
03/16/1988EP0259834A2 Method of classifying leucocytes by flow cytometry
03/16/1988EP0259833A2 Reagent and method for classifying leukocytes by flow cytometry
03/15/1988US4731578 Electrical sensing system for measuring ferrous particles within a fluid
03/15/1988US4731154 Method and apparatus for quantitative measurement of organic contaminants remaining on cleaned surfaces
03/15/1988US4730481 Device for testing the air permeability of an article