| Patents for G01N 15 - Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials (29,551) |
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| 01/31/1978 | US4071298 Laser Raman/fluorescent device for analyzing airborne particles |
| 01/31/1978 | US4070903 Outflow meter for measuring surface drainage characteristics |
| 01/24/1978 | US4070660 Wear particle detector |
| 01/24/1978 | US4070617 Device for controlling the particle flow in an apparatus for measuring the properties of particles suspended in liquid |
| 01/24/1978 | US4070113 Coherent optics blood cell classification system |
| 01/24/1978 | US4069711 Method and apparatus for measuring the grain-size of fine powders |
| 01/10/1978 | US4068263 Image analysis methods |
| 01/10/1978 | US4068169 Method and apparatus for determining hematocrit |
| 01/10/1978 | US4067645 Minimum mean-square error linear optical filter |
| 01/03/1978 | US4066360 Device for measuring and recording spontaneous blood platelet aggregation in platelet-rich citrated plasma |
| 12/27/1977 | US4064740 Apparatus and method for measuring permeability |
| 12/13/1977 | US4063309 Mean corpuscular volume measuring apparatus and method |
| 12/06/1977 | US4061914 Method and apparatus for dual resolution analysis of a scene |
| 11/01/1977 | US4056324 Or measuring particles suspended in a fluid medium |
| 10/25/1977 | US4055799 Method of and device for measuring elastic and di-electric properties of the diaphragm of living cells |
| 10/25/1977 | US4055076 Centrifugal granulometer |
| 10/25/1977 | US4055075 Method and apparatus for the leak testing of filters |
| 10/11/1977 | US4053354 Method and device for forming a filtering fiber cake in an apparatus for measuring the beating degree of pulp flowing through a conduit |
| 10/11/1977 | US4052885 Portable device and method for determining permeability characteristics of earth formations |
| 10/04/1977 | US4052600 Measurement of statistical parameters of a distribution of suspended particles |
| 10/04/1977 | US4052596 Automatic hematology analyzer |
| 10/04/1977 | US4052164 Apparatus for centrifugal separation and measurement of samples |
| 09/13/1977 | US4047814 Method and apparatus for segregating particulate matter |
| 09/13/1977 | US4047422 Process for measuring permeability to gas of walls and/or closure of three-dimensional encasing elements |
| 08/30/1977 | US4045655 Automatic cyto-screening device |
| 08/30/1977 | US4045175 Micro-method of erythrocyte sedimentation |
| 08/30/1977 | US4045139 Compact portable contaminated fuel detector with hand-operated pump |
| 08/30/1977 | US4044604 Portable contaminated fuel detector with tiered deck |
| 08/16/1977 | US4042829 Frequency domain discrimination and counting technique |
| 08/16/1977 | US4042808 Particle count correction |
| 08/09/1977 | US4041502 Sedimentation recorder |
| 08/09/1977 | US4041385 On-line sampling system for monitoring particles suspended in a fluid |
| 07/26/1977 | US4038556 Method and apparatus for simultaneous optical measurement of particle characteristics |
| 07/26/1977 | US4037965 Method and optical means for determining dimensional characteristics of the particle distribution in a collection of particles |
| 07/26/1977 | US4037964 Method and apparatus for measuring the sum of the radii of particles in a collection |
| 07/26/1977 | US4037464 Device for transferring blood or a similar fluid to a pipette |
| 06/28/1977 | US4032308 Filtering a gas stream |
| 06/21/1977 | US4030888 Automatic blood analyzer |
| 06/14/1977 | US4030028 Method of and apparatus for detecting conductive particles in an oil flow system |
| 06/14/1977 | US4028930 Multiple holder for determining hematocrit |
| 06/07/1977 | US4027971 Method of simultaneously counting blood cells |
| 05/31/1977 | US4027162 Method and apparatus for orienting and measuring fibrous particles |
| 05/31/1977 | US4026157 Method of quantitatively determining the grain size of substances |
| 05/24/1977 | US4025752 Apparatus for electrically perforating dielectric webs |
| 05/24/1977 | US4025307 Method and apparatus for determining crystallization properties of urine |
| 05/03/1977 | US4021117 Process for automatic counting and measurement of particles |
| 05/03/1977 | US4020676 Method and apparatus for collecting fluid contaminants |
| 04/26/1977 | US4019721 Flowing fluid mixing device and method |
| 04/19/1977 | US4019134 Particle detector independent of errors caused by changes of electrolyte conductivity and electrode polarization |
| 03/29/1977 | US4015135 Method and apparatus for particulate monitoring |
| 03/29/1977 | US4014611 Aperture module for use in particle testing apparatus |
| 03/08/1977 | US4011459 Method and apparatus for determining valid sample volume |
| 03/01/1977 | US4010369 Method for rapid particle size analysis by hydrosizing and nuclear sensing |
| 02/22/1977 | USRE29141 Apparatus for orienting generally flat particles for sensing |
| 02/22/1977 | US4009443 Method and apparatus for providing primary coincidence correction during particle analysis utilizing time generation techniques |
| 02/22/1977 | US4009435 Apparatus for preservation and identification of particles analyzed by flow-through apparatus |
| 02/08/1977 | US4007013 Holder device for sample vials or the like for an analysis apparatus |
| 02/01/1977 | US4006349 Monitoring apparatus for a pneumatic conveyor system |
| 01/18/1977 | US4004216 Apparatus for detecting metallic particles in a flow of dielectric medium |
| 01/11/1977 | US4002053 Method and apparatus for measuring density of suspension |
| 01/04/1977 | US4001678 Displacement metering with independent ancillary flow |
| 01/04/1977 | US4001595 Multiple wavelength transmissometer |
| 12/28/1976 | US4000417 Scanning microscope system with automatic cell find and autofocus |
| 12/28/1976 | US3999855 Illumination system |
| 12/21/1976 | US3999047 Method and apparatus utilizing color algebra for analyzing scene regions |
| 12/14/1976 | US3997838 Apparatus and method for measurement of total volume of particles in a liquid sample |
| 12/14/1976 | US3996788 Flow resistance apparatus and method for assembled acoustic panels |
| 11/30/1976 | US3994591 Method and apparatus for selecting between differently colored features |
| 11/23/1976 | US3993948 Particle analyzer having scanning apparatus series coupled between a d.c. power source and the parallel connection of a d.c. short-circuiting device and a voltage sensitive signal detector |
| 11/16/1976 | US3992103 Devices for evaluating drop systems |
| 11/09/1976 | US3990797 Diffraction monitoring of Rayleigh mode jets |
| 11/02/1976 | US3989382 Platelet aggregation monitoring device |
| 11/02/1976 | US3989381 Optical chamber with spherical reflective portion and apparatus employing same |
| 10/19/1976 | US3987391 Method and apparatus for correcting total particle volume error due to particle coincidence |
| 10/12/1976 | US3985020 Oil pollution compliance monitor |
| 10/05/1976 | US3984307 Combined particle sorter and segregation indicator |
| 09/21/1976 | US3982183 Particle sizing apparatus |
| 09/21/1976 | US3982182 Conductivity cell for particle study device |
| 09/21/1976 | US3981584 Prediction of engine failure by examination of particle size distribution of metal particles in lubricant |
| 09/21/1976 | US3981264 Droplet impact recorder |
| 09/14/1976 | US3980814 Multiple image scanning |
| 09/14/1976 | US3980524 Air testing device |
| 09/07/1976 | US3979669 Particle analyzing system |
| 09/07/1976 | US3979022 Monitoring device |
| 08/31/1976 | US3978280 Image analysis apparatus |
| 08/31/1976 | US3977995 Calibrating fluid for blood cell counting and hemoglobin determination |
| 08/24/1976 | US3976862 Flow stream processor |
| 08/17/1976 | US3975084 Particle detecting system |
| 08/10/1976 | US3973725 Apparatus for discriminating the type of white blood corpusles and for counting the number thereof |
| 08/03/1976 | US3973196 Method and apparatus for ejecting a metered amount of particulate sample |
| 08/03/1976 | US3973194 Particle counter |
| 08/03/1976 | US3973189 Hematology system |
| 08/03/1976 | US3972778 Apparatus for determining the concentration of microorganisms |
| 07/20/1976 | US3970928 Electrical apparatus for the calibration of equipment used in the measurement of particle volume |
| 07/20/1976 | US3970845 Pulse discriminator circuit |
| 07/20/1976 | US3970841 Method and apparatus for dual resolution analysis of a scene |
| 07/13/1976 | US3969024 Signal separation system used for an automated classification of white blood cells |
| 07/06/1976 | US3968429 Particle analyzer of the Coulter type including coincidence error correction circuitry |
| 07/06/1976 | US3968351 Object classification and counting machine having correction apparatus for removing bias from count |
| 06/29/1976 | US3967110 Automatic focusing system |