Patents
Patents for G01N 15 - Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials (29,551)
11/1984
11/28/1984EP0126085A1 Cell differentiation based upon particle uptake
11/27/1984US4485175 Quaternary ammonium salts as lysing reagent
11/27/1984US4484591 Method of testing and classifying cigarettes or the like
11/22/1984WO1984004593A1 Porosimeter and methods of assessing porosity
11/22/1984WO1984004592A1 A laser-doppler-apparatus for determining the size of moving spherical particles in a fluid flow
11/22/1984WO1984004591A1 Apparatus and method for permeability measurement
11/22/1984WO1984004473A1 Automatic particle-size analyzer
11/21/1984EP0125857A2 Grain counter
11/20/1984US4484134 Elongate particle sensing aperture
11/08/1984WO1984004391A1 Assay of immunoreactive and like substances
11/08/1984WO1984004390A1 Apparatus and method for measuring the concentration of particles in a gas
11/08/1984WO1984004389A1 Apparatus and method for measuring the concentration of large particles in a gas
11/07/1984EP0124350A2 Monitoring deflocculated particles in a suspension
11/06/1984US4481466 In particle analyzing apparatus
11/06/1984US4480463 Process for determining the resistance to draw and the gas _permeability of a test piece and a device for carrying out such a process
10/1984
10/31/1984EP0123606A1 Method and apparatus for determining the interface area in a diphasic mixture comprising a gaseous phase in the form of flowing bubbles
10/31/1984EP0123494A1 Determining the level of contaminants in a hydraulic system
10/30/1984CA1176839A1 Length measuring instrument for paper fibres
10/23/1984US4478073 Method for determining particle size and/or distribution
10/23/1984US4478069 Flow resistivity instrument in the earth
10/16/1984US4477917 For measuring the size of moving electrically conductive liquid drops
10/16/1984US4477574 Method of time-marking sedimentation processes
10/16/1984US4477187 Apparatus and method for sizing particles
10/10/1984EP0121370A1 Apparatus for monitoring particulate matter
10/10/1984EP0121262A2 Method and apparatus for distinguishing multiple subpopulations of cells in a sample
10/10/1984EP0121261A2 Method and apparatus for distinguishing subclasses of leukocytes in a sample
10/09/1984US4476231 Method of analyzing the distribution of a reagent between particles and liquid in a suspension
10/09/1984US4475391 Method for measuring the specific surface of pulverized materials and apparatus for performing the same
10/09/1984CA1175673A1 Erythrocyte settling rate meter
10/03/1984EP0120565A2 Assemblies for mounting a radiation transducer around a pipe
10/02/1984US4475236 Method for counting overlapping cell populations in a distribution histogram
10/02/1984US4474472 Arrangement for the detection of particles in a gas flow
10/02/1984US4474070 Method of determining the solids contents of a hot waste gas
10/02/1984US4474056 Erythrocyte settling rate meter
10/02/1984US4474050 Foundry coke test apparatus
09/1984
09/27/1984WO1984003771A1 Method and stromatolysing reagent for the volumetric determination of populations of leukocytes
09/26/1984EP0119770A2 Method and apparatus for the detection and measurement of particulates in molten metal
09/25/1984US4473530 Compact sanitary urinalysis unit
09/19/1984EP0118897A2 Particle counting system for a fractionating device
09/19/1984EP0118896A1 Particle counting apparatus
09/19/1984EP0118894A2 Particle reagent size distribution measurements for immunoassay
09/19/1984EP0118840A2 Method and apparatus for detecting hydrogen, oxygen and water vapor concentrations in a host gas
09/18/1984US4472180 Apparatus for withdrawing blood from a test tube or the like
09/18/1984US4471650 Apparatus for testing cigarettes or the like
09/18/1984US4471649 Permeability monitoring of sheet materials
09/12/1984EP0117988A1 Immunoassay
09/11/1984US4471297 Multi-sample particle analysis apparatus and method
09/11/1984US4470697 Method of measuring the concentration of gas in the presence of liquid particles
09/04/1984US4468954 Device for determining the concentration of suspended solid contaminants in a fluid
09/04/1984US4468951 Permeation testing apparatus
09/04/1984CA1173667A1 Automatic pressure/flow device
09/04/1984CA1173666A1 Particle measuring apparatus
08/1984
08/29/1984EP0117182A1 Device for blood analysis and method of operation
08/29/1984EP0116580A1 Contamination level indicator.
08/28/1984US4467637 In a fluid system
08/21/1984US4466740 Particle agglutination analyzing plate
08/21/1984CA1173158A1 Method and apparatus for the detection of accumulations of particles such as metaphase plates
08/21/1984CA1172873A1 Monitoring the dust content of gaseous fluid
08/16/1984WO1984003147A1 Method and device for measuring the content of conducting particles
08/15/1984EP0115587A1 Sample volume metering apparatus
08/14/1984US4464927 Apparatus for measuring gas transmission through films
08/14/1984CA1172468A1 Back-diffusion quality control method for barrier treated containers
08/07/1984US4463595 Parallel flow diffusion battery
08/07/1984CA1172348A1 Ultrasonic detecting and identifying of particulates
08/02/1984WO1984002979A1 Method for determining particle size and/or distribution
08/01/1984EP0114552A1 Apparatus for the analysis of blood and method for utilising the same
07/1984
07/31/1984US4462248 Automatic pressure/flow device
07/31/1984CA1171692A1 Pulp consistancy measurement
07/25/1984EP0015991B1 Methods and apparatus for detecting an incipient fire condition
07/24/1984US4461181 Control for sample volume metering apparatus
07/24/1984CA1171299A1 Coincidence-error correcting apparatus and method
07/19/1984WO1984002777A1 Method for the volumetric differential of leukocytes
07/03/1984US4457624 For measuring particle size distribution in a fluid sample
06/1984
06/26/1984US4456883 Method and apparatus for indicating an operating characteristic of an internal combustion engine
06/21/1984WO1984002396A1 Method and apparatus for measuring the content of suspended substances in a flowing medium
06/13/1984EP0110802A2 Method and apparatus for indicating an operating characteristic of an internal combustion engine
06/13/1984EP0110410A2 Debris detection system and method
06/12/1984US4453398 For deriving measurement concerning porosity of a material
06/12/1984CA1168893A1 Method of measuring fines in pulp
06/05/1984US4453266 Method and apparatus for measuring mean cell volume of red blood cells
06/05/1984US4453226 Method and apparatus for particle size determination in a host material
06/05/1984CA1168469A1 Constant pressure/g-force diffusion cell system
05/1984
05/30/1984EP0109810A2 Simulator of fluid flow in field of flow entailing combustion or reaction
05/29/1984US4450724 Function of coercive force and quantity of metal binder
05/29/1984US4450723 For measuring the amount of a fluid absorbed by samples
05/29/1984US4450712 Pulp consistancy measurement
05/22/1984US4450435 Analog debris alarm
05/22/1984US4449816 Method for measuring the number of hyperfine particles and a measuring system therefor
05/22/1984US4449392 Device for testing filters, particularly sterile filters
05/22/1984CA1167663A1 Measurement chamber
05/16/1984EP0108724A2 Apparatus for measuring the rate of erythrosedimentation of the blood
05/16/1984EP0108605A2 Apparatus for detecting particles and changes in particle size in a suspension
05/16/1984EP0108309A2 Porosimeter with detection by capacity variations
05/08/1984US4447883 Coincidence-error correcting apparatus and method
05/08/1984US4447709 Method for electrically perforating dielectric webs
05/02/1984EP0107482A1 Apparatus and method for measuring permeability of a moving web
05/02/1984EP0107333A2 Apparatus and method for supply of sample and sheath liquids to analytical flow cell
05/02/1984EP0107021A1 Optical fibre Doppler anemometer
05/01/1984US4446239 Light scattering immunoassay involving particles with selective frequency band apparatus
05/01/1984CA1166694A1 Apparatus for recirculating sweep flow without a pump