| Patents for G01N 9 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity (6,694) |
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| 02/02/1988 | CA1232152A1 Fluid density measurement |
| 01/28/1988 | WO1988000697A1 Bone densitometer |
| 01/28/1988 | WO1988000693A1 Process and device for measuring gas properties |
| 01/27/1988 | CN87203452U Continuous absorbing type precision densimeter |
| 01/26/1988 | US4720998 Crude oil sampling system |
| 01/21/1988 | DE3624093A1 Device for measuring the density of flowing gases |
| 01/19/1988 | US4720808 Method and apparatus for measuring sheet products |
| 01/13/1988 | CN87202553U Electronic hydrometer |
| 01/07/1988 | EP0250418A1 Analysis of multi-phase mixtures |
| 12/17/1987 | WO1987007717A1 Apparatus and method for determining fluid viscosity and density |
| 12/17/1987 | DE3619418A1 Method and device for measuring the density of a liquid |
| 12/09/1987 | CN86103666A Individual sampler (probe part) for respiratory dust and overall dust |
| 12/08/1987 | US4711132 Apparatus for mass flow rate and density measurement |
| 12/02/1987 | CN87103492A Method and apparatus of measuring liquid density |
| 12/01/1987 | US4710352 Sample holders moved by engagement of projections on belt |
| 11/25/1987 | EP0246265A1 Measurement of relative density. |
| 11/24/1987 | US4708018 Drilling mud density probe |
| 11/24/1987 | US4708017 Floating hydrometer with energy dissipating baffle |
| 11/19/1987 | EP0245673A2 Method and apparatus for measuring the density of a liquid |
| 11/11/1987 | EP0244716A2 Measuring device |
| 11/02/1987 | EP0185709A4 Apparatus for mass flow rate and density measurement. |
| 10/27/1987 | US4702109 In-line hydrometer |
| 10/26/1987 | EP0188572A4 Improved apparatus for mass flow rate and density measurement. |
| 10/22/1987 | DE3712394A1 Apparatus for measuring the viscosity and density of liquids |
| 10/20/1987 | US4701868 Apparatus and method for accurately measuring the density of materials with rough surfaces by radiation backscatter |
| 10/06/1987 | USH336 Non-destructive method to assess physical condition of chemical fill |
| 10/06/1987 | US4697454 Combined hydrometer for testing the battery and radiator fluid |
| 09/29/1987 | CA1227381A1 Float operated water-in-oil alarm system for machinery |
| 09/22/1987 | US4694692 Drilling fluid density measurement system |
| 09/22/1987 | US4694679 Gravitometer prover |
| 09/22/1987 | CA1227058A1 Mesuring instrument |
| 09/02/1987 | EP0235032A2 Fluid meter, especially for hydrocarbon wells |
| 09/02/1987 | EP0235023A1 Process and apparatus to analyse the variation in density of a product in the shape of a cigarette |
| 09/02/1987 | EP0234747A1 Measuring flow in a pipe |
| 09/02/1987 | CN86208333U Automatic control device for the charging and discharging of lead accumulator |
| 09/02/1987 | CN86201571U Thermohydrometer |
| 09/01/1987 | US4689989 Method and apparatus for testing the outflow from hydrocarbon wells on site |
| 08/26/1987 | EP0233389A1 A method of measuring the weight per unit area, density and thickness of a moving sheet |
| 08/26/1987 | EP0233327A2 Apparatus for optically measuring the density of gases |
| 08/25/1987 | US4688426 Hydrometer for determination of immunoglobulin content of mare colostrum |
| 08/18/1987 | US4687336 Measurement of optical density via nephenometry |
| 08/04/1987 | CA1224938A1 Resonator transducer system with temperature compensation |
| 07/29/1987 | CN87100483A Device for measuring accumulator electrolyte parameters |
| 07/23/1987 | DE3601085A1 Device for measuring the density of gases and liquids |
| 07/21/1987 | US4680965 Process for continuous density measurement |
| 07/21/1987 | CA1224569A1 Apparatus and process for automatically determining fat content of foods |
| 07/14/1987 | US4679947 Method and apparatus for measuring steam quality |
| 07/07/1987 | US4677851 Method and apparatus for monitoring the density of a liquid |
| 07/07/1987 | US4677842 Ultrasonic density measurement |
| 07/07/1987 | US4677841 Method and apparatus for measuring the relative density of gases |
| 07/01/1987 | EP0227246A2 Analysis of fluids using a source of fast neutrons |
| 07/01/1987 | EP0227191A2 Steam profile liquid/vapour separator |
| 06/24/1987 | EP0226570A2 Measuring device and tube connection with method of producing the same |
| 06/23/1987 | US4674322 On-line instrument for simultaneously measuring the viscosity, density, and surface tension of a fluid comprising a gas dissolved in a liquid |
| 06/23/1987 | CA1223169A1 Cigarette testing and/or levelling device |
| 06/10/1987 | EP0224781A2 Method for the measurement of the density in a section of a body made of powder |
| 06/09/1987 | CA1222823A1 Method of measuring specific gravity and apparatus utilizing the same |
| 05/27/1987 | CN86202792U Gas concentration mornitor with single chip microprocesser |
| 05/26/1987 | US4667515 Pipeline inspection |
| 05/20/1987 | EP0222503A1 Transducers |
| 05/19/1987 | US4667093 Electronic coin measurement apparatus with size and acceleration detection |
| 05/14/1987 | DE3637306A1 Method and apparatus for producing a fibre strand in the tobacco processing industry |
| 05/13/1987 | EP0221467A1 Vibrating type transducer |
| 05/12/1987 | US4664124 Biological fluid specific gravity monitor with ultrasonic sensor circuit |
| 05/07/1987 | WO1987002770A1 Measurement of specific gravity |
| 05/07/1987 | DE3539156A1 Method and device for measuring density in media by means of oscillations of high frequency stability |
| 05/05/1987 | US4662221 Method and apparatus for measuring material |
| 04/28/1987 | US4660421 Apparatus for mass flow rate and density measurement |
| 04/28/1987 | US4660413 Apparatus and method for determining fluid viscosity and density |
| 04/08/1987 | CN85107062A Control of froth cell perfromance through the ues of differential bubbler tubes |
| 04/07/1987 | US4655075 Vibrating tube densimeter |
| 04/07/1987 | CA1220049A1 Apparatus for measuring varying density of a slurry flowing in a pipeline |
| 04/02/1987 | DE3534073A1 Acid-density tester |
| 04/01/1987 | EP0216616A2 Test element advancing mechanism having positive engagement with element |
| 03/25/1987 | EP0215302A2 Apparatus for the precise determination of density using the buoyancy method |
| 03/24/1987 | US4651556 Measuring device |
| 03/19/1987 | DE3630368A1 Vibration transducer and method for manufacturing it |
| 03/17/1987 | US4651285 Analytical apparatus and process |
| 03/17/1987 | US4649747 Coolant line hydrometer |
| 03/11/1987 | EP0213144A1 Hydrometers |
| 03/04/1987 | EP0213025A1 Method and apparatus for measuring the water content of a gaseous atmosphere, especially emanating from a dryer or an oven |
| 02/24/1987 | US4644803 Force measurement apparatus and method |
| 02/24/1987 | US4644796 Pressure measurement apparatus and method |
| 02/24/1987 | US4644781 Fluid property measuring device |
| 02/12/1987 | DE3527905A1 Method for measuring densities/bulk densities of materials employing the buoyancy behaviour thereof |
| 02/10/1987 | US4641535 Flowmeter |
| 02/10/1987 | CA1217660A Fluid flow measurement |
| 02/04/1987 | EP0210916A1 Apparatus for measuring the apparent weight of mud suspended in a liquid, and apparatus and method for measuring Ponsar's index of such a mud |
| 01/27/1987 | US4639669 Pulsed electromagnetic nondestructive test method for determining volume density of graphite fibers in a graphite-epoxy composite material |
| 01/27/1987 | CA1217277A1 Apparatus for determining finished roll density in a mill |
| 01/27/1987 | CA1217264A1 Densitometer |
| 01/21/1987 | CN86200132U Tea grade analysis meter |
| 12/30/1986 | EP0207038A1 Towed densimeter system |
| 12/02/1986 | US4625553 System to determine the level and weight of liquid in a tank or the like |
| 11/19/1986 | CN85105865A Measuring instrument for gas density |
| 11/12/1986 | CN85203546U Automatic component tester for tin-lead alloy |
| 11/05/1986 | EP0200303A1 Measurement of a small most dense constituent layer in a stratified mixture |
| 10/15/1986 | EP0197626A1 Textile structure measurement |
| 10/14/1986 | US4616506 Apparatus for measuring the mass of a flowing medium and method for producing an apparatus for measuring the mass of a flowing medium |
| 09/30/1986 | US4614870 Miniature isotopic soil moisture gage |