| Patents for G01N 15 - Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials (29,551) |
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| 09/04/1979 | US4166703 Testing of fibrous coalescer elements |
| 08/21/1979 | US4165484 Particle counting apparatus utilizing various fluid resistors to maintain proper pressure differentials |
| 08/14/1979 | US4164139 Asphalt penetration indicator |
| 08/14/1979 | US4164137 Method of measuring volume of air entrained in hydraulic fluids |
| 08/07/1979 | US4163615 Reader for hematocrit value |
| 08/07/1979 | CA1060122A1 Method and apparatus utilizing color algebra for analyzing scene regions |
| 08/07/1979 | CA1059786A1 Method and apparatus for measuring density of suspension |
| 07/17/1979 | US4161690 Method and apparatus for particle analysis |
| 07/10/1979 | US4160601 Biocontamination and particulate detection system |
| 07/03/1979 | US4159895 Mean corpuscular volume and mean corpuscular hemoglobin |
| 07/03/1979 | US4159639 Apparatus and method for measuring the degree of refining of pulp fibers in the preparation of furnish for paper making |
| 06/13/1979 | EP0002270A1 Device for separating erythrocytes |
| 06/05/1979 | US4157499 Simultaneously counts red and white blood cells |
| 06/05/1979 | US4157498 Flow-through type particle analyzing apparatus |
| 05/30/1979 | EP0002103A1 A blood cell counter having a purging system |
| 05/29/1979 | US4156570 Apparatus and method for measuring white blood cell and platelet concentrations in blood |
| 05/15/1979 | US4154529 System for detecting reflected laser beams |
| 05/15/1979 | US4154090 Process and apparatus for multiple testing of wrappers of cigarettes or the like |
| 05/15/1979 | US4154088 Apparatus for measuring the particulate matter content of a gas |
| 05/01/1979 | US4151744 Method and apparatus for the measurement and control of viscosity of slurries |
| 05/01/1979 | CA1053756A1 Particle analyzing system |
| 04/17/1979 | US4150360 Method and apparatus for classifying biological cells |
| 04/17/1979 | US4149999 Antistatic liquid media, and method, for the controlled transport of microscopic particles |
| 04/17/1979 | US4149402 Analytical method for determining desorption isotherm and pore size distribution of an absorbent material |
| 04/10/1979 | US4148718 Applying electrical or radiant energy to fluid stream |
| 04/10/1979 | US4148217 Evaluating surfactants |
| 04/10/1979 | US4148215 Apparatus for making rheological measurements |
| 03/27/1979 | US4146788 Method and apparatus for quantitative structural analysis of solids |
| 03/27/1979 | US4146604 Staining with mixture of fluorescent dyes and sensitizers |
| 03/20/1979 | CA1050938A1 Single drop separator |
| 03/13/1979 | CA1050660A1 Particle analyzer |
| 02/20/1979 | US4140966 Particle analyzing apparatus and fluid circulating system therefor |
| 02/20/1979 | US4140902 Device for measurement of hair-like particulate material |
| 02/20/1979 | US4140633 Method and apparatus for determining ultrafiltration during dialysis |
| 02/20/1979 | US4140395 Electro-optical method and system for in situ measurements of particle size and distribution |
| 02/20/1979 | US4140007 Suspended-solids meter |
| 02/20/1979 | US4140005 Method and instrument for continuous monitoring of aerosols |
| 02/13/1979 | US4139303 Adaptive coherent optical processing method and apparatus for recognizing and counting objects |
| 02/06/1979 | CA1048006A1 Holder device for sample vials or the like at an analysis apparatus |
| 02/06/1979 | CA1047793A1 Smoke density measuring apparatus |
| 01/30/1979 | US4136950 Microscope system for observing moving particles |
| 01/30/1979 | CA1047603A1 Process to determine the dosage of the flocculant to be added to a liquid scheduled for treatment |
| 01/23/1979 | US4135821 Calibration of optical particle-size analyzer |
| 01/23/1979 | US4135819 Apparatus for measuring the aggregation rate of particles |
| 01/23/1979 | CA1047111A1 Apparatus and method for measurement of total volume of particles in a liquid sample |
| 01/16/1979 | US4134679 Determining the volume and the volume distribution of suspended small particles |
| 01/09/1979 | US4133202 Multiple nozzle single stage impactor |
| 01/09/1979 | CA1045960A1 Multi-purpose diluent for use in blood analysis by electronic instrumentation of the coulter type |
| 12/19/1978 | US4130754 Particle counting |
| 12/19/1978 | US4130126 Ink maintenance sensor |
| 12/12/1978 | US4129381 Apparatus and method for preparing a particle suspension |
| 12/05/1978 | US4128884 Methods and apparatus for analyzing frequency distributions |
| 12/05/1978 | US4128400 Centrifuge |
| 12/05/1978 | US4128335 Condensation nuclei counter with automatic ranging |
| 12/05/1978 | US4128004 Method and apparatus for determining permeability of filter media |
| 11/28/1978 | US4127808 Engine chip detector |
| 11/28/1978 | CA1043123A1 Use of modulated stimulus to improve detection sensitivity for signals from particles in a flow chamber |
| 11/14/1978 | CA1042511B Self-cleaning aperture tube for coulter study apparatus |
| 11/14/1978 | CA1042229A1 Leaf filter test method for determining filtration characteristics of a fibrous slurry and apparatus for performance thereof |
| 10/31/1978 | US4123159 Apparatus for analyzing the size distribution and quantity of small particles in an aerosol |
| 10/10/1978 | US4118974 Method and apparatus for measuring erythrocyte sedimentation rate |
| 10/03/1978 | US4117717 Solid impurity detector |
| 10/03/1978 | US4117715 Apparatus for measuring charge on, and density of, airborne particulates |
| 10/03/1978 | US4117713 Particulography as an on-line technique for detection and location of faults within a gas-cooled dynamoelectric machine caused by overheating |
| 09/26/1978 | CA1039079A1 Measuring the concentration of substances suspended in a liquid |
| 09/19/1978 | US4115143 Dust-free thermally stable lead chromate pigment composition and process of preparation |
| 09/19/1978 | US4114427 Apparatus for accurately measuring the freeness of paper stock flowing in a feed pipe |
| 09/12/1978 | US4113596 Method of measuring the mobility of colloids in an electrical field |
| 09/12/1978 | US4112739 Process and apparatus for the isostatic measurement of the permeability of a material to the passage therethrough of a gas or vapor |
| 09/05/1978 | US4112301 Moving particles suspended in a carrier fluid through a flow channel having an input end under gas pressure |
| 08/29/1978 | US4110604 Particle density measuring system |
| 08/29/1978 | US4110043 Apparatus for counting and classifying particles |
| 08/15/1978 | CA1036538A1 Electric surface area meter |
| 08/15/1978 | CA1036386A1 Apparatus for determining the smoke density of flue gases of gas and fuel oil |
| 08/15/1978 | CA1036385A2 Biological cell analyzing system |
| 07/25/1978 | US4103229 Continuous-flow, resistive-particle counting apparatus |
| 07/25/1978 | US4102810 Stabilized hematological reagent solutions |
| 07/25/1978 | US4102177 Densitometer |
| 07/18/1978 | US4101383 Process for testing microparticle response to its environment |
| 07/11/1978 | US4099871 Method and apparatus for determination of activated sludge volume index |
| 06/27/1978 | US4097845 Method of and an apparatus for automatic classification of red blood cells |
| 06/27/1978 | US4097373 High speed particle sorter using a field emission electrode |
| 06/20/1978 | US4095898 Particle analysis system with photochromic filter |
| 06/20/1978 | US4095775 Particle evaluator |
| 06/06/1978 | US4093849 Automatic blood analyzing system |
| 06/06/1978 | US4092845 Lung simulating aerosol sampler |
| 05/30/1978 | US4092669 Apparatus for measuring spatial data from recorded images |
| 05/16/1978 | US4090128 Aperture module for use in particle testing apparatus |
| 05/16/1978 | US4089210 Device for measuring filtering properties of paper pulp |
| 04/25/1978 | US4086631 Hematocrit measurement in an automatic hematology analyzer |
| 04/04/1978 | US4082457 Leukocyte detector |
| 03/21/1978 | US4080264 Immunoassay by light scattering spectroscopy |
| 03/21/1978 | US4079621 Apparatus for determining the dust index of a particulate solid |
| 03/14/1978 | US4078863 Measuring the concentration of substances suspended in a liquid |
| 03/07/1978 | US4078211 Method and apparatus for balancing particle detecting signals generated in a particle study device having multiple apertures |
| 03/07/1978 | US4077749 Sample ejection system including temperature control |
| 02/28/1978 | US4076419 Method and apparatus for hematology |
| 02/21/1978 | US4075462 Particle analyzer apparatus employing light-sensitive electronic detector array |
| 02/07/1978 | US4072767 Electrical signals |
| 02/07/1978 | US4072421 Method and apparatus for optical discrimination of particles |