| Patents for G01N 15 - Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials (29,551) |
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| 08/11/1981 | US4283143 Optical characterization of a suspension |
| 08/11/1981 | US4283128 Photomicrographic system for flowing fluids |
| 08/11/1981 | US4282745 Particle size determination |
| 08/04/1981 | US4282428 Chromosome detector using a scanning microscope system |
| 08/04/1981 | US4281924 Reflector for the laser beam of a particle analyzer |
| 07/28/1981 | US4280623 Method and apparatus for controlling, orienting and analyzing biological cells in liquid suspension |
| 07/21/1981 | US4279860 Multiple injector flow through dissolution cell for dissolution testing apparatus |
| 07/21/1981 | US4279512 Method of measurement |
| 07/21/1981 | US4279345 High speed particle sorter using a field emission electrode |
| 07/07/1981 | US4277743 Method and circuit for producing measuring pulses in a particle analyzer |
| 07/07/1981 | US4277682 Device for analyzing the activity of a radioactive aerosol as a function of the grain size distribution of its particles |
| 06/30/1981 | US4276119 Centrifuging |
| 06/24/1981 | EP0030538A1 Device for measurement of particles in a flowing medium |
| 06/23/1981 | US4274741 Device for determining the granulometric composition of a mixture of particles by diffraction of light |
| 06/23/1981 | US4274740 Scattering of light beam by tyndall effect |
| 06/16/1981 | US4273443 Method and apparatus for measurement of reradiation in particle flow cell systems |
| 06/16/1981 | US4272983 Apparatus for porosimetric measurements |
| 06/16/1981 | CA1103312A1 Method and apparatus for particle analysis |
| 06/09/1981 | CA1102878A1 Method and circuit for producing measuring pulses in a particle analyzer |
| 06/09/1981 | CA1102580A1 Instrument for measuring sizes and quantity of particles in fluid medium |
| 06/03/1981 | EP0029662A1 Automated method for cell volume determination |
| 06/03/1981 | EP0029537A1 Monitoring entrained particulate matter in a gas stream |
| 05/28/1981 | WO1981001472A1 Liquid flow photometer |
| 05/28/1981 | WO1981001467A1 Method and device for determining the concentration of a substance bound to particles carried by a flowing medium |
| 05/19/1981 | US4267723 Method of introducing a liquid into a measuring tube |
| 05/13/1981 | EP0028274A1 Device for use in determining the erythrocyte sedimentation rate |
| 05/12/1981 | US4267444 Device for examining the degree of filling of a cigarette |
| 05/12/1981 | US4266874 Apparatus and method for measuring the size of fibers |
| 05/05/1981 | US4265107 Portable airborne droplet impactor sampler and method |
| 05/05/1981 | CA1100331A1 Flow bench |
| 04/28/1981 | US4264206 Dust particle analyzer |
| 04/28/1981 | US4263805 Solid impurity detector |
| 04/21/1981 | US4263508 Pulse edge measurement for determining particle dimensional characteristics |
| 04/15/1981 | EP0026981A2 Method of measuring moisture permeation |
| 04/15/1981 | EP0026770A1 Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer. |
| 04/07/1981 | US4260258 Compact, rugged sensor for optical measurement of the size of particles suspended in a fluid |
| 04/07/1981 | US4259862 Smoothness absorbency tester |
| 03/31/1981 | US4259015 Method and device for measuring fine particles |
| 03/31/1981 | US4259012 Blood count reader |
| 03/31/1981 | CA1098430A1 Method and apparatus for the detection of beta thalassaemia minor |
| 03/24/1981 | US4258316 Use of fluid retarding ion conducting material |
| 03/24/1981 | CA1097990A1 Magnetic pressure indicator with thermal lockout |
| 03/24/1981 | CA1097940A1 Method and apparatus for measuring porosity |
| 03/18/1981 | EP0025296A2 Apparatus and method for positioning the point of droplet formation in the jetting fluid of an electrostatic sorting device |
| 03/11/1981 | EP0024705A1 Blood sedimentation device |
| 03/11/1981 | EP0024421A1 Method and apparatus for the leak testing of filters. |
| 03/03/1981 | US4253327 Method and apparatus for measuring rock permeability at elevated pressures and temperature |
| 02/24/1981 | US4253058 Device for measuring certain properties of particles suspended in a particle suspension |
| 02/24/1981 | US4252438 Measurement of relative movement between two phases |
| 02/17/1981 | US4251768 Coincidence correction of hematocrit in a hematology measurement apparatus |
| 02/17/1981 | US4251733 Technique for simultaneous particle size and velocity measurement |
| 02/17/1981 | CA1095738A1 Shive ratio analyzer |
| 02/10/1981 | US4250051 Preservative for use in calibrator compositions for blood analysis |
| 01/27/1981 | US4247783 Photoelectric converter of sizes of particles employing calibration light pulses with increased stability |
| 01/27/1981 | US4246775 Porosity measuring apparatus and perforating system using same |
| 01/21/1981 | EP0022670A2 Method and apparatus for automated identification and enumeration of specified blood cell subclasses |
| 01/21/1981 | EP0022568A1 Apparatus for counting particles suspended in electrically conductive sample liquids |
| 01/21/1981 | EP0022444A1 Improvements in and relating to the detection of particles in a gaseous medium |
| 01/20/1981 | US4245909 Optical instrument for measurement of particle size distributions |
| 01/13/1981 | US4244837 Multi-purpose blood diluent for use in electronic blood analysis instrumentation |
| 01/07/1981 | EP0021982A1 Method and device for the optical processing of objects through intercorrelation with rings |
| 01/07/1981 | EP0020424A1 Process and device for measuring the dust content of a gas current |
| 01/06/1981 | US4243318 Fluorescence analysis of stained particles |
| 12/30/1980 | US4242194 Apparatus for spectroscopic measurement of the velocity of particles in a fluid |
| 12/24/1980 | WO1980002882A1 Process and device for optical treatment of objects by intercorrelation with rings |
| 12/24/1980 | WO1980002876A1 Dust measurement |
| 12/16/1980 | US4240029 Apparatus for counting particles in a liquid suspension |
| 12/16/1980 | US4239394 Determining fat content of milk |
| 12/16/1980 | CA1091467A1 Method and apparatus for particle size analysis |
| 12/09/1980 | US4238194 Nuclei analysis of solid substances |
| 12/09/1980 | CA1091350A1 Particle-density measuring system |
| 12/09/1980 | CA1090957A1 Dust-free metal chromate pigment composition and process of preparation |
| 12/02/1980 | US4237416 Apparatus for counting and sizing particles suspended in a liquid electrolyte |
| 11/25/1980 | CA1090424A1 Aperture module for use in particle testing apparatus |
| 11/25/1980 | CA1090159A1 Detection of analysis of particulate material in fluid streams |
| 11/18/1980 | CA1089674A1 Apparatus for measuring the sedimentation characteristics of particulate solids in liquid |
| 11/12/1980 | EP0018458A2 Optical particle analyser |
| 11/11/1980 | US4232970 Apparatus for automatic diagnosis of cells |
| 11/11/1980 | US4232967 Instrument for measuring sizes and quantity of particles in fluid medium |
| 11/04/1980 | CA1088772A1 Apparatus and process for rapidly characterizing and differentiating large cells |
| 10/29/1980 | EP0017712A1 Process and device for measuring the solid-particle content in a fluid |
| 10/28/1980 | US4230558 Single drop separator |
| 10/28/1980 | US4230031 Biohazard containment apparatus and method |
| 10/16/1980 | WO1980002198A1 Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer |
| 10/15/1980 | EP0016953A1 Additional device for a particle analyzer |
| 10/14/1980 | US4227397 Method for testing cigarettes |
| 10/07/1980 | US4226533 Optical particle detector |
| 10/07/1980 | US4226532 Device for granulometric analysis of particles in fluids |
| 10/02/1980 | WO1980002039A1 Method of control of process of dispersion of solid phase in a liquid phase |
| 09/30/1980 | US4225385 Shive ratio analyzer |
| 09/30/1980 | US4225229 Apparatus for measuring cytological properties |
| 09/23/1980 | US4224567 Apparatus for measuring resistance change only in a cell analyzer and method for calibrating it |
| 09/23/1980 | US4223559 Apparatus and methods for detecting an incipient fire condition |
| 09/23/1980 | CA1086382A1 Blood haematocrit measurement |
| 09/18/1980 | WO1980001952A1 Method and apparatus for the leak testing of filters |
| 09/16/1980 | US4222666 Apparatus for measuring and correcting calibration characteristic of photoelectric aerosol analyzer |
| 09/09/1980 | US4221324 Centrifuge with variable angle of attack |
| 09/02/1980 | US4220916 Method of and apparatus for determining the breakdown characteristics and size of membrane-sheathed particles such as cells |
| 09/02/1980 | US4220499 Method for determining the relative quantity of shives in a stream of fibrous particles |
| 08/26/1980 | US4219805 Lubricating oil debris monitoring system |