| Patents for G01N 15 - Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials (29,551) |
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| 01/15/1992 | EP0466679A1 Method for measuring physical parameters of drops in a vaporized fluid and apparatus for this method |
| 01/15/1992 | EP0466168A2 Particle image analyzing apparatus |
| 01/15/1992 | EP0465598A1 Method and apparatus for capillary hydrodynamic fractionation |
| 01/15/1992 | EP0465534A1 Method and apparatus for the identification of particles. |
| 01/14/1992 | US5080829 Passing a salt nuclei coated with an acid mixture through the filter |
| 01/14/1992 | US5079959 Analyzing system using sheath flow of sample |
| 01/14/1992 | US5079948 Method for conducting capillary pressure drainage and imbibition on a core sample of a porous rock |
| 01/14/1992 | CA1294153C Automated gas-liquid relative permeameter (850016-a-can) |
| 01/14/1992 | CA1294152C Particle counter and method of manufacture |
| 01/09/1992 | DE4019929A1 Enclosing main stream of suspended particles by surrounding stream - introducing non-rotating, wide, pure, transparent fluid pref. electrolyte around input channel in nozzle chamber |
| 01/08/1992 | EP0465205A1 Particle size distribution measuring apparatus |
| 01/08/1992 | EP0464337A2 Measurement of size and refractive index of particles using the complex forward-scattered electromagnetic field |
| 01/08/1992 | EP0464048A1 Particulate detecting and optical coupling arrangements. |
| 01/08/1992 | CN2092763U Portable hydraulic tester for holes of pneumatic drill |
| 01/02/1992 | EP0463562A1 Closed sample cell for use in flow cytometry |
| 12/31/1991 | US5077806 Machine vision analysis apparatus |
| 12/31/1991 | US5077478 Basis weight measuring system |
| 12/31/1991 | US5076965 Aerosol mixture solely of poly-alpha olefin |
| 12/31/1991 | US5076472 Cleaning cycle for flow cytometers |
| 12/31/1991 | US5076097 Method and apparatus for determining concentration of macromolecules and colloids in a liquid sample |
| 12/27/1991 | EP0462413A2 Condensation nuclei counter |
| 12/25/1991 | CN1057339A Method and apparatus for screening obscured or partially obscured cells |
| 12/24/1991 | US5075556 Acridine orange derivatives and their use in the quantitation of reticulocytes in whole blood |
| 12/24/1991 | US5075080 Apparatus for measuring the non-porous surface area of carbon black |
| 12/24/1991 | US5074658 Laser capillary spectrophotometric acquisition of bivariate drop size and concentration data for liquid-liquid dispersion |
| 12/19/1991 | DE4018847A1 Fibre debris monitor - has camera linked to evaluation unit with analogue-digital converter |
| 12/18/1991 | EP0461618A2 Cleaning cycle for flow cytometers |
| 12/18/1991 | EP0461239A1 Method and apparatus for measuring entrained air in concrete |
| 12/18/1991 | CN2090986U Permeability measurer for coal stone |
| 12/17/1991 | US5073857 Method and apparatus for cell analysis |
| 12/17/1991 | US5073719 Apparatus for the evaluation of the erythrosedimentation rate and other |
| 12/17/1991 | US5073498 Microbeads containing dyes used to align a flow cytometer or a fluorescence microscope |
| 12/17/1991 | US5073497 Labeling with fluoroescent dyes |
| 12/17/1991 | US5073482 For applying mechanical stress to condoms or surgical gloves b y alternate stretching and releasing |
| 12/17/1991 | US5073343 Control system for blood analysis, colorimetric, electrical re sistance, cams, |
| 12/17/1991 | US5072626 Measurement of ultrafine particle size distributions |
| 12/17/1991 | US5072595 Apparatus for detecting small bubbles in a pressurized fluid stream |
| 12/17/1991 | CA1293136C Flow cytometry |
| 12/12/1991 | WO1991019185A1 Automatic hydro meteor identification method |
| 12/12/1991 | WO1991019035A1 Method of inspecting cleanliness of top and device used therefor |
| 12/11/1991 | EP0460927A2 Method for logging hydraulic characteristics of a formation |
| 12/11/1991 | EP0460071A1 Method and apparatus for determining a proliferation index of a cell sample |
| 12/10/1991 | US5072382 Methods and apparatus for measuring multiple optical properties of biological specimens |
| 12/10/1991 | US5071247 Method for analysis of blood platelet aggregations and apparatus therefor |
| 12/10/1991 | US5070722 Turbine engine debris ingestion monitor |
| 12/10/1991 | CA1292891C Method and apparatus for measurement of the permeability to water |
| 12/05/1991 | DE4017709A1 Rapid division of fluid stream - for fluid distribution or sorting of suspended particles, esp. cells |
| 12/04/1991 | EP0458869A1 Apparatus and method for determining powder characteristics |
| 12/04/1991 | EP0279840B1 Optical analysis |
| 12/04/1991 | CN2090056U Laser particle surveying instrument |
| 12/03/1991 | US5070300 Apparatus for measuring breakdown plasma |
| 12/03/1991 | CA1292628C In situ particle size measuring device |
| 11/28/1991 | DE4016406A1 Specimen vessel for granulometric suspension evaluation - has cylindrical body, wedge-shaped cover and connected inlets in base and wall |
| 11/27/1991 | EP0458330A2 Method for determining von-Willibrand factor |
| 11/26/1991 | US5068796 Control of sheet opacity |
| 11/26/1991 | US5067814 Apparatus for measuring fine particles in liquid |
| 11/26/1991 | US5067343 Method for testing water impervious cable |
| 11/26/1991 | CA2043214A1 Method for determining von willebrand factor |
| 11/26/1991 | CA1292531C Sensor and method for detecting the presence of air bubbles in liquid |
| 11/21/1991 | EP0456708A1 Device for measuring optical density in situ. |
| 11/21/1991 | DE4016291C1 Device for measuring coated structures of sample e.g. blood - has magnifying glass around centrifugal tube carrier and A=D converter forming digital signals for computer |
| 11/19/1991 | US5066859 Hematocrit and oxygen saturation blood analyzer |
| 11/19/1991 | US5065634 Method and apparatus for the automatic determination of surface area |
| 11/19/1991 | US5065620 Method and apparatus for measuring the print quality of print media receiving ink jet inks |
| 11/18/1991 | WO1991018086A1 Method and apparatus for screening obscured or partially obscured cells |
| 11/18/1991 | CA2081565A1 Method and apparatus for screening obscured or partially obscured cells |
| 11/14/1991 | WO1991017426A1 Split flow for uniform multisensor detection |
| 11/13/1991 | EP0456559A1 Process and device for measuring adsorption and desorption of a gas being adsorbed by a solid sample and its use |
| 11/13/1991 | EP0456202A2 Particle monitor system and method |
| 11/13/1991 | EP0169897B1 Particle analyzing apparatus |
| 11/13/1991 | EP0154644B1 Method and apparatus for removing foreign matter from a flow cell of a particle study device |
| 11/13/1991 | CN1014742B Multi-part differential analyzing apparatus utilizing light scatter techniques |
| 11/12/1991 | US5065421 Device for measuring fluid flows through a porous body |
| 11/12/1991 | US5064616 Kit for analysis of subsets of subpopulations of leukocytes |
| 11/12/1991 | US5064530 Fluid contamination detecting apparatus |
| 11/12/1991 | US5064529 Apparatus for testing membrane filters |
| 11/09/1991 | WO1991017395A1 An apparatus for detecting carryover particles in the interior of a furnace |
| 11/06/1991 | EP0455392A2 Method for data transformation |
| 11/06/1991 | CN1014635B Detector and analyzer for rapid-determing of multi-dimensional characteristics and vectors of blood |
| 11/06/1991 | CN1014634B Method and apparatus for fast testing air permeability of sand casting mould |
| 11/05/1991 | WO1991017422A1 Apparatus and method for analyzing particles suspended in a liquid |
| 11/05/1991 | US5063301 Noninvasive method and apparatus using coherent backscattering for process control |
| 11/05/1991 | US5062709 Process for monitoring particle size and moisture content of finely divided material |
| 11/05/1991 | CA2082043A1 Apparatus and method for analyzing particles suspended in a liquid |
| 10/31/1991 | WO1991016450A1 Apparatus and method for sedimentation based blood analysis |
| 10/31/1991 | CA2081355A1 Apparatus and method for sedimentation based blood analysis |
| 10/29/1991 | US5061364 Diagnostic filter for detecting conductive and semiconductive particles in a fluid stream |
| 10/29/1991 | US5061070 Particulate inspection of fluids using interferometric light measurements |
| 10/29/1991 | US5061068 Process for detection of sub-micron particulate contamination on a bare (planar) substrate |
| 10/29/1991 | US5061065 Particle contamination detection in fluids through the external section of a laser |
| 10/29/1991 | US5060805 Photoelectron emitting member |
| 10/24/1991 | DE4026525A1 Determining suspension stability |
| 10/23/1991 | EP0453036A2 Analytical instrument and method of calibrating an analytical instrument |
| 10/23/1991 | EP0228453A4 Control means for a blood analysis system |
| 10/22/1991 | US5059909 Determination of particle size and electrical charge |
| 10/22/1991 | US5059395 Ratio of pulse height to pulse width as distinguishing parameter |
| 10/22/1991 | US5059353 Method for testing the efficiency of gas mask filters using monodispersed aerosols |
| 10/22/1991 | US5059352 Method for the generation of monodispersed aerosols for filter testing |
| 10/22/1991 | US5059351 Method of testing the efficiency of gas mask filters using monodispersed aerosols |
| 10/22/1991 | US5059350 Method of testing the efficiency of gas mask filters using poly-alpha olefin aerosol mixtures |