Patents
Patents for G01N 9 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity (6,694)
06/1992
06/10/1992EP0489310A1 Feedback system for load bearing surface
06/03/1992EP0487586A1 Densitometer
05/1992
05/27/1992EP0487499A2 Apparatus for determining the density of liquids and gases from the period of a specimen-filled resonator
05/27/1992EP0487498A1 Device for determining the density of liquids and gases from the period of an oscillator filled with a material
05/27/1992EP0486709A1 Density-moisture measuring system
05/26/1992US5115686 Vapor free multi-liquid sampler
05/26/1992US5115679 Level measuring bubbler tube tip
05/26/1992US5115673 Non-destructive method for determining elastic moduli of material
05/20/1992CN1061284A Vegetable oil densimeter
05/20/1992CN1061281A Automatic recording conbined measuring method and its installation for volume weight of pulp liquor and flow rate of grouting
05/20/1992CN1016738B Method for measuring hemoglobin
05/13/1992EP0484876A1 Device for dynamically measuring bubble content of flowing liquid
05/13/1992CN2104444U Combined floating meter
05/13/1992CN1016644B Material layer volum determination with correction band
05/12/1992US5113421 Method and apparatus for measuring the thickness of a coating on a substrate
05/12/1992US5111547 Method for forming precision liquid/vapor separating bristle assembly
05/07/1992DE4034883A1 Vibrating tube-type liq. densimeter - has piezoelectric transducers within liq.-tight vibrating tube
05/06/1992EP0483491A1 Ultrasonic device for measuring specific density of a fluid
05/06/1992EP0483348A1 Densitometer
04/1992
04/29/1992EP0483043A2 Feeder device of samples for vibrating tube electronic densimeters
04/29/1992EP0482326A1 Ultrasonic device for measuring specific density of a fluid
04/27/1992WO1992007760A1 Net weight dispensing system and method
04/27/1992CA2072255A1 Net weight dispensing system and method
04/22/1992EP0481264A1 Method and apparatus for measuring the density of a liquid
04/21/1992US5106752 Method and reagent for determining the ionic strength or specific gravity of aqueous liquids
04/21/1992CA1299300C Apparatus and method for measuring bulk density using position scatteringand annihilation
04/16/1992DE4030539A1 Time-controlled powder dosing appts. - useful for powder feed to plasma powder weld deposition torch
04/15/1992CN1016278B Vacuum mfg. salt serous solid-to-liquid ratio determined by differential pressure changing conveying unit
04/12/1992CA2052651A1 Auto pressure filter apparatus
04/08/1992EP0479466A2 Ruthenium monitor
04/08/1992EP0478690A1 Method of obtaining accurate compositional information of multilayer compositions
04/07/1992US5101851 Apparatus for control of hard water scale deposition in cooling systems
04/02/1992WO1992005422A1 Specific gravity measurement of liquids
04/02/1992WO1992005421A1 Vibratile sensing instrument
04/01/1992EP0477648A1 Surface wave gas detector
03/1992
03/29/1992CA2052358A1 Surface wave gas sensor
03/24/1992US5099504 Thickness/density mesuring apparatus
03/24/1992US5097698 Detection method for determining phase boundaries
03/18/1992CN2099315U Jrl-1 density measuring apparatus
03/11/1992CN1059403A Density meter
03/10/1992US5094112 Process and a device for carrying out measurements at a foaming liquid
03/05/1992WO1992003717A1 Process and device for determining the mean local density of a strip of material
03/03/1992US5092988 System for monitoring injection water quality using filtration, pressure regulation and mass measuring
03/03/1992US5092176 Method for determining deposit buildup
03/03/1992US5092159 Method and apparatus utilizing a single nozzle for effecting measurment of steam characteristics
02/1992
02/25/1992US5091155 Alcohol concentration sensor
02/24/1992WO1992003718A1 A differential float means and sensor means incorporating same
02/20/1992WO1992002788A1 Liquefied gas metering system
02/20/1992CA2088784A1 Liquefied gas metering system
02/19/1992CN2096756U Hydrometer
02/19/1992CN2096755U Temp. densimeter for liquid sampling
02/18/1992CA1295952C Steam profile liquid/vapour separator
02/13/1992DE4025575A1 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
02/11/1992US5086646 Apparatus and method for analyzing well fluid sag
02/05/1992EP0469733A2 Apparatus and method for measuring gas concentrations
01/1992
01/29/1992CN2094741U Pressure difference slurry density test instrument
01/22/1992EP0467086A2 A method for recycling wash residue of ready mixed concrete and system therefor
01/22/1992EP0246265B1 Measurement of relative density
01/15/1992EP0188572B1 Improved apparatus for mass flow rate and density measurement
01/15/1992CN1057906A Electronic gram weight tester for non-metal material
01/08/1992EP0464195A1 Mass-volume vortex flowmeter
12/1991
12/31/1991US5076107 Apparatus and method for resultant-weight measuring system
12/26/1991WO1991019969A1 Density-moisture measuring system
12/24/1991US5074146 Gas comparison pycnometer
12/18/1991CN2090985U Three-purpose reader for absolute specific gravity measurer
12/10/1991CA1292886C Method and apparatus for monitoring the density of a liquid
12/05/1991DE4116176A1 Immersion unit for measuring density, temp. and pressure - is cylindrical body working on Archimedean principle when immersed in liq. or gas
12/04/1991EP0459648A1 Substance detection system
12/04/1991EP0458869A1 Apparatus and method for determining powder characteristics
12/01/1991CA2042662A1 Substance detection system
11/1991
11/28/1991WO1991018274A1 Densitometer
11/13/1991EP0456629A1 Device for continuous measurement of the density and total weight of material in the hold of a hopper-dredger
11/13/1991CN2088689U Double-layer absorbing type electric liquid densimeter
11/12/1991US5064615 Method and reagent for determining the ionic strength of specific gravity of aqueous liquids
11/06/1991EP0455515A2 Apparatus for generation of nuclear resonant reactions
11/05/1991CA2041868A1 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
10/1991
10/31/1991WO1991016614A1 Coolant corrosiveness indicator
10/31/1991DE4013246A1 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.
10/30/1991EP0454230A2 Method and apparatus for determining the mass flow of pneumatically transported solids
10/29/1991US5060522 Mass-volume vortex flowmeter
10/23/1991EP0453224A2 Antibody coated crystal chemical sensor
10/23/1991CN1014453B Apparatus for measuring density of finely divided solid carbon-contg. fuel flow
10/22/1991US5058432 Method and apparatus for measuring parameters of solid phase of slurries
10/22/1991CA1290958C Channel device and tube connection and their fabrication procedures
10/21/1991CA2039081A1 Antibody coated crystal chemical sensor
10/17/1991DE4011892A1 Measuring unit for specific gravity - measures upthrust on floating body to avoid wave and surface tension effects
10/08/1991US5056124 Method of and apparatus for examining objects in containers in non-destructive manner
10/08/1991US5055699 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
10/08/1991US5055407 Composition and method of assaying aqueous liquids for specific gravity
10/02/1991DE4010483A1 Liquid level-density measurement arrangement - has orifice plate between liquid surface and force transmission unit with hole for rod covered by movable seal
10/01/1991US5052405 Method and apparatus for measuring the density of an object including a living being
09/1991
09/25/1991EP0273957B1 Process and device for measuring gas properties
09/18/1991EP0446246A1 A method and device for measuring the viscosity and/or the density of a flowing fluid.
09/17/1991US5048323 Fluid metering
09/10/1991US5047124 Apparatus for feeding gas into a saline solution
09/02/1991CA2011417A1 Radiator hose hydrometer
08/1991
08/20/1991US5041990 Method and apparatus for measuring entrained gas bubble content of flowing fluid
08/14/1991EP0441770A2 Device for measuring density
08/14/1991DE4020279A1 Determining moisture in concrete additives during mixing - by monitoring of mixer drive power consumption
08/14/1991DE4020251A1 Concrete additive moisture determn. by changed drive load - after specific cement addn. permits precise mixt. control
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