| 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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| 06/10/1992 | EP0489310A1 Feedback system for load bearing surface |
| 06/03/1992 | EP0487586A1 Densitometer |
| 05/27/1992 | EP0487499A2 Apparatus for determining the density of liquids and gases from the period of a specimen-filled resonator |
| 05/27/1992 | EP0487498A1 Device for determining the density of liquids and gases from the period of an oscillator filled with a material |
| 05/27/1992 | EP0486709A1 Density-moisture measuring system |
| 05/26/1992 | US5115686 Vapor free multi-liquid sampler |
| 05/26/1992 | US5115679 Level measuring bubbler tube tip |
| 05/26/1992 | US5115673 Non-destructive method for determining elastic moduli of material |
| 05/20/1992 | CN1061284A Vegetable oil densimeter |
| 05/20/1992 | CN1061281A Automatic recording conbined measuring method and its installation for volume weight of pulp liquor and flow rate of grouting |
| 05/20/1992 | CN1016738B Method for measuring hemoglobin |
| 05/13/1992 | EP0484876A1 Device for dynamically measuring bubble content of flowing liquid |
| 05/13/1992 | CN2104444U Combined floating meter |
| 05/13/1992 | CN1016644B Material layer volum determination with correction band |
| 05/12/1992 | US5113421 Method and apparatus for measuring the thickness of a coating on a substrate |
| 05/12/1992 | US5111547 Method for forming precision liquid/vapor separating bristle assembly |
| 05/07/1992 | DE4034883A1 Vibrating tube-type liq. densimeter - has piezoelectric transducers within liq.-tight vibrating tube |
| 05/06/1992 | EP0483491A1 Ultrasonic device for measuring specific density of a fluid |
| 05/06/1992 | EP0483348A1 Densitometer |
| 04/29/1992 | EP0483043A2 Feeder device of samples for vibrating tube electronic densimeters |
| 04/29/1992 | EP0482326A1 Ultrasonic device for measuring specific density of a fluid |
| 04/27/1992 | WO1992007760A1 Net weight dispensing system and method |
| 04/27/1992 | CA2072255A1 Net weight dispensing system and method |
| 04/22/1992 | EP0481264A1 Method and apparatus for measuring the density of a liquid |
| 04/21/1992 | US5106752 Method and reagent for determining the ionic strength or specific gravity of aqueous liquids |
| 04/21/1992 | CA1299300C Apparatus and method for measuring bulk density using position scatteringand annihilation |
| 04/16/1992 | DE4030539A1 Time-controlled powder dosing appts. - useful for powder feed to plasma powder weld deposition torch |
| 04/15/1992 | CN1016278B Vacuum mfg. salt serous solid-to-liquid ratio determined by differential pressure changing conveying unit |
| 04/12/1992 | CA2052651A1 Auto pressure filter apparatus |
| 04/08/1992 | EP0479466A2 Ruthenium monitor |
| 04/08/1992 | EP0478690A1 Method of obtaining accurate compositional information of multilayer compositions |
| 04/07/1992 | US5101851 Apparatus for control of hard water scale deposition in cooling systems |
| 04/02/1992 | WO1992005422A1 Specific gravity measurement of liquids |
| 04/02/1992 | WO1992005421A1 Vibratile sensing instrument |
| 04/01/1992 | EP0477648A1 Surface wave gas detector |
| 03/29/1992 | CA2052358A1 Surface wave gas sensor |
| 03/24/1992 | US5099504 Thickness/density mesuring apparatus |
| 03/24/1992 | US5097698 Detection method for determining phase boundaries |
| 03/18/1992 | CN2099315U Jrl-1 density measuring apparatus |
| 03/11/1992 | CN1059403A Density meter |
| 03/10/1992 | US5094112 Process and a device for carrying out measurements at a foaming liquid |
| 03/05/1992 | WO1992003717A1 Process and device for determining the mean local density of a strip of material |
| 03/03/1992 | US5092988 System for monitoring injection water quality using filtration, pressure regulation and mass measuring |
| 03/03/1992 | US5092176 Method for determining deposit buildup |
| 03/03/1992 | US5092159 Method and apparatus utilizing a single nozzle for effecting measurment of steam characteristics |
| 02/25/1992 | US5091155 Alcohol concentration sensor |
| 02/24/1992 | WO1992003718A1 A differential float means and sensor means incorporating same |
| 02/20/1992 | WO1992002788A1 Liquefied gas metering system |
| 02/20/1992 | CA2088784A1 Liquefied gas metering system |
| 02/19/1992 | CN2096756U Hydrometer |
| 02/19/1992 | CN2096755U Temp. densimeter for liquid sampling |
| 02/18/1992 | CA1295952C Steam profile liquid/vapour separator |
| 02/13/1992 | DE4025575A1 Verfahren und vorrichtung zur bestimmung der lokalen mittleren dichte eines materialstranges A method and apparatus for determining the local average density of a string-like material |
| 02/11/1992 | US5086646 Apparatus and method for analyzing well fluid sag |
| 02/05/1992 | EP0469733A2 Apparatus and method for measuring gas concentrations |
| 01/29/1992 | CN2094741U Pressure difference slurry density test instrument |
| 01/22/1992 | EP0467086A2 A method for recycling wash residue of ready mixed concrete and system therefor |
| 01/22/1992 | EP0246265B1 Measurement of relative density |
| 01/15/1992 | EP0188572B1 Improved apparatus for mass flow rate and density measurement |
| 01/15/1992 | CN1057906A Electronic gram weight tester for non-metal material |
| 01/08/1992 | EP0464195A1 Mass-volume vortex flowmeter |
| 12/31/1991 | US5076107 Apparatus and method for resultant-weight measuring system |
| 12/26/1991 | WO1991019969A1 Density-moisture measuring system |
| 12/24/1991 | US5074146 Gas comparison pycnometer |
| 12/18/1991 | CN2090985U Three-purpose reader for absolute specific gravity measurer |
| 12/10/1991 | CA1292886C Method and apparatus for monitoring the density of a liquid |
| 12/05/1991 | DE4116176A1 Immersion unit for measuring density, temp. and pressure - is cylindrical body working on Archimedean principle when immersed in liq. or gas |
| 12/04/1991 | EP0459648A1 Substance detection system |
| 12/04/1991 | EP0458869A1 Apparatus and method for determining powder characteristics |
| 12/01/1991 | CA2042662A1 Substance detection system |
| 11/28/1991 | WO1991018274A1 Densitometer |
| 11/13/1991 | EP0456629A1 Device for continuous measurement of the density and total weight of material in the hold of a hopper-dredger |
| 11/13/1991 | CN2088689U Double-layer absorbing type electric liquid densimeter |
| 11/12/1991 | US5064615 Method and reagent for determining the ionic strength of specific gravity of aqueous liquids |
| 11/06/1991 | EP0455515A2 Apparatus for generation of nuclear resonant reactions |
| 11/05/1991 | CA2041868A1 Nuclear resonance absorption measurements of nitrogen and oxygen uniquely to detect explosives and the like, and novel apparatus for generating and detecting resonant gamma rays therefor |
| 10/31/1991 | WO1991016614A1 Coolant corrosiveness indicator |
| 10/31/1991 | DE4013246A1 Ascertaining bulk specific gravity - taking sample from each working cycle, separating over and under size grain and letting fall into container scales for wt. per unit vol. |
| 10/30/1991 | EP0454230A2 Method and apparatus for determining the mass flow of pneumatically transported solids |
| 10/29/1991 | US5060522 Mass-volume vortex flowmeter |
| 10/23/1991 | EP0453224A2 Antibody coated crystal chemical sensor |
| 10/23/1991 | CN1014453B Apparatus for measuring density of finely divided solid carbon-contg. fuel flow |
| 10/22/1991 | US5058432 Method and apparatus for measuring parameters of solid phase of slurries |
| 10/22/1991 | CA1290958C Channel device and tube connection and their fabrication procedures |
| 10/21/1991 | CA2039081A1 Antibody coated crystal chemical sensor |
| 10/17/1991 | DE4011892A1 Measuring unit for specific gravity - measures upthrust on floating body to avoid wave and surface tension effects |
| 10/08/1991 | US5056124 Method of and apparatus for examining objects in containers in non-destructive manner |
| 10/08/1991 | US5055699 Device for measuring the refractive index of a fluid, in particular intended for measuring the density of that fluid or the concentration of a substance dissolved in that fluid |
| 10/08/1991 | US5055407 Composition and method of assaying aqueous liquids for specific gravity |
| 10/02/1991 | DE4010483A1 Liquid level-density measurement arrangement - has orifice plate between liquid surface and force transmission unit with hole for rod covered by movable seal |
| 10/01/1991 | US5052405 Method and apparatus for measuring the density of an object including a living being |
| 09/25/1991 | EP0273957B1 Process and device for measuring gas properties |
| 09/18/1991 | EP0446246A1 A method and device for measuring the viscosity and/or the density of a flowing fluid. |
| 09/17/1991 | US5048323 Fluid metering |
| 09/10/1991 | US5047124 Apparatus for feeding gas into a saline solution |
| 09/02/1991 | CA2011417A1 Radiator hose hydrometer |
| 08/20/1991 | US5041990 Method and apparatus for measuring entrained gas bubble content of flowing fluid |
| 08/14/1991 | EP0441770A2 Device for measuring density |
| 08/14/1991 | DE4020279A1 Determining moisture in concrete additives during mixing - by monitoring of mixer drive power consumption |
| 08/14/1991 | DE4020251A1 Concrete additive moisture determn. by changed drive load - after specific cement addn. permits precise mixt. control |