| Patents for G01N 15 - Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials (29,551) |
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| 01/02/1990 | US4891098 Dynamic filtration simulator |
| 01/02/1990 | US4890925 Method and apparatus for detecting particular particulate substance |
| 01/02/1990 | US4890920 In situ particle size measuring device |
| 01/02/1990 | US4890500 For detecting/counting flowable particulates |
| 01/02/1990 | US4890481 System for measuring foreign materials in liquid |
| 12/28/1989 | WO1989012828A1 System for collecting samples for analysis |
| 12/28/1989 | WO1989012815A1 Device for estimating suspended solids |
| 12/28/1989 | WO1989012814A1 Molecular weight distribution measurement method, spectro-detector and molecular weight distribution measurement apparatus of polymers |
| 12/27/1989 | EP0348289A1 Device for detecting and measuring particles precipitating in a liquid by the use of echography |
| 12/27/1989 | EP0347696A2 Apparatus for measuring the rate of dispersion in flowing suspensions |
| 12/27/1989 | CN1006247B Device for sampling blood and measuring emythrocyte sedimentation rate |
| 12/20/1989 | EP0347210A2 Method for analysis of cellular components of a fluid |
| 12/20/1989 | EP0347039A2 Method for discriminating between intact and damaged cells in a sample |
| 12/20/1989 | EP0346609A2 Rapid determination of sludge content and device therefor |
| 12/20/1989 | CN1038165A Rapid determination of sludge content and device therefor |
| 12/19/1989 | US4887892 Method and method and apparatus for control of light intensity for image analysis |
| 12/19/1989 | US4887721 Laser particle sorter |
| 12/19/1989 | US4887458 Hematocrit reader apparatus and method |
| 12/14/1989 | DE3819540A1 Method and apparatus for the ad hoc measurement of the biomass present and for the ad hoc assessment of the state of fermentation in bioreactors by measurement of the sedimentation properties of a sample with the aid of ultrasound |
| 12/13/1989 | CN1037965A Arciform photosensor assembly |
| 12/12/1989 | US4886360 Method and apparatus for particle analysis |
| 12/07/1989 | DE3917856A1 Measuring device forming part of a test device for filter systems, test device and test method |
| 12/06/1989 | EP0344807A2 Method for evaluating the permeability of a thin membrane |
| 12/05/1989 | US4885473 Method and apparatus for detecting particles in a fluid using a scanning beam |
| 12/05/1989 | US4884886 Biological particle identification apparatus |
| 12/05/1989 | US4884455 Method for analysis of failure of material employing imaging |
| 12/05/1989 | US4884438 Method and apparatus for measuring fluid flow parameters through naturally fractured media |
| 12/05/1989 | US4884436 Automated tension infiltrometer |
| 11/30/1989 | WO1989011644A1 Process and apparatus for automatic determination of physical-chemical parameters of a batch of grains |
| 11/29/1989 | EP0343380A1 Method and agent to differentiate between and to determine leucocytes |
| 11/29/1989 | EP0343187A1 Dynamic light scattering apparatus. |
| 11/23/1989 | EP0342730A2 Device for determining the erythrocyte sedimentation rate of blood samples |
| 11/23/1989 | EP0342501A2 Method and means for the determination of bacteria or somatic cells in milk |
| 11/21/1989 | US4882478 Photoelectric conversion sensor with shifted arcuate elements |
| 11/21/1989 | US4882284 Method for quantitating and differentiating white blood cells |
| 11/21/1989 | US4881402 Process for the determination of liquid absorption of powdery solids |
| 11/16/1989 | WO1989011101A1 Method of assay |
| 11/16/1989 | WO1989011092A1 Interferometric gauge for measuring of concentration |
| 11/15/1989 | CN1037212A Method of automatic particle analysis and means for performing the analysis |
| 11/14/1989 | US4880732 Propidium iodide, fluorescent dyes |
| 11/14/1989 | US4880499 Fluid flow, paper making |
| 11/08/1989 | EP0340279A1 Uv scanning system for centrifuge |
| 11/08/1989 | CN1037035A Neural network based automated cytological specimen classification system and method |
| 11/02/1989 | WO1989010562A1 Method and device for analyzing thrombocyte aggregation |
| 11/02/1989 | WO1989010549A2 Radiation/microbe bioassay |
| 11/02/1989 | EP0340184A2 Method and apparatus for determining the concentration of a substance which is bonded to particles in a flowing medium |
| 11/02/1989 | EP0339268A2 Backflow isolator and capture system |
| 11/02/1989 | EP0339028A1 Differential binding of potential sensitive materials by lymphocytes. |
| 11/02/1989 | DE3813329A1 Method and arrangement for the collection and analysis of dust |
| 11/02/1989 | DE3813110A1 Device to measure the shape and deformability of organic cells |
| 10/31/1989 | US4878019 Electrical sensing system for measuring ferrous particles within a fluid with temperature compensation circuit |
| 10/31/1989 | US4877966 Method and apparatus for the measurement of low-level laser-induced fluorescence |
| 10/31/1989 | US4877743 Monitoring reaction of nitrous oxide to form nitrogen |
| 10/31/1989 | US4876881 Method and apparatus for measuring settling rate, compaction, and clarity of a liquid |
| 10/25/1989 | EP0338288A2 Particulate inspection of fluids |
| 10/25/1989 | EP0338079A1 Method and device for controlling the condition of a lengthy construction element |
| 10/24/1989 | US4876504 Apparatus for investigating the condition of a bacteria containing suspension through frequency profile of electrical admittance |
| 10/24/1989 | US4876458 Apparatus for measuring particles in liquid |
| 10/19/1989 | WO1989009969A1 Neural network based automated cytological specimen classification system and method |
| 10/18/1989 | EP0337300A2 Apparatus and method for determining functions of cells |
| 10/18/1989 | EP0337108A2 Method and apparatus for periodically obtaining accurate opacity monitor readings of an exhaust gas stream |
| 10/18/1989 | CN1036455A Generating method and apparatus of large-flow microminiature single particle |
| 10/17/1989 | US4874242 Device for detection of extraneous substances through a wall and a system for aiding the driving of automobiles or airplanes |
| 10/17/1989 | US4873875 System for optically interrogating liquid samples and for withdrawing selected sample portions |
| 10/11/1989 | EP0336608A2 Neural network based automated cytological specimen classification system and method |
| 10/11/1989 | EP0336429A2 Analytical method for particulate substances, relevant analytical equipment and its application system |
| 10/10/1989 | US4873430 Method and apparatus for optically measuring characteristics of a thin film by directing a P-polarized beam through an integrating sphere at the brewster's angle of the film |
| 10/10/1989 | US4872974 Apparatus for testing membrane filters, and for sterilizing liquids with use of membrane filter |
| 10/10/1989 | US4872786 Solid particulate aerosol generator |
| 10/10/1989 | US4872353 Automatic sample feeder for suspended samples |
| 10/04/1989 | EP0335789A1 Simplified automatic blood analysis system |
| 10/04/1989 | EP0335001A2 Particle analyzing apparatus |
| 10/03/1989 | US4871251 Apparatus and method for particle analysis |
| 10/03/1989 | US4871249 Light collecting device with chamber including ellipsoidal surface and spherical surface |
| 10/03/1989 | US4871248 Method of particle size determination |
| 09/28/1989 | DE3908711A1 Device for measuring the permeability of textiles and other porous materials to vapour, especially water vapour |
| 09/27/1989 | EP0334536A2 Particle measuring apparatus |
| 09/27/1989 | EP0333921A2 Cell image processing method and apparatus therefor |
| 09/26/1989 | CA1261170A1 Ferromagnetic wear detector and method |
| 09/26/1989 | CA1261163A1 Determining amount of biological material |
| 09/21/1989 | WO1989008841A1 Improved motility scanner and method |
| 09/21/1989 | WO1989008834A1 Apparatus and process for detecting and counting fluorescent particles carried on a solid support |
| 09/21/1989 | WO1989008829A1 Automatic particle-size analyzer with divided drum |
| 09/20/1989 | EP0333561A1 Device and method for the detection and counting of fluorescent particles on a solid support |
| 09/19/1989 | US4868751 Method for determining relative permeability of a subterranean reservoir |
| 09/19/1989 | US4868398 Device for the real time measurement of the content of an aerosol in a gas |
| 09/19/1989 | US4868128 Process for dry dispersal of particles, and a device for carrying out this process |
| 09/19/1989 | US4868126 Method of calibrating a fluorescent microscope using fluorescent calibration microbeads simulating stained cells |
| 09/19/1989 | US4867908 Fluorescence |
| 09/19/1989 | US4867559 Liquid/liquid fiber-optic fluorescence detector and absorbance analyzer |
| 09/19/1989 | CA1259670A1 Method and apparatus for editing particle produced electrical pulses |
| 09/14/1989 | DE3739153C1 Vorrichtung zur Ermittlung des Beginns eines Verfalls von bewegten,fluessigkeitsgeschmierten Teilen Device for determining the start of a decay of moving, parts fluessigkeitsgeschmierten |
| 09/13/1989 | EP0332440A2 Arciform photo sensor asssembly |
| 09/13/1989 | CN1035557A Method of monitoring state of elongated object and apparatus for performing this method |
| 09/12/1989 | US4866385 Consistency measuring device |
| 09/12/1989 | US4864846 Self-cleaning poppet valve for a core testing apparatus |
| 09/12/1989 | US4864845 Electronic field permeameter |
| 09/08/1989 | WO1989008245A1 Device for enlarging aerosol particles by coating them with liquid |
| 09/06/1989 | EP0176544B1 Investigation of condition of biological particles |
| 09/05/1989 | US4863868 Apparatus for detecting the presence of micro organism in liquid |