| 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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| 12/30/1997 | US5703278 Pressurized fluid density balance |
| 12/17/1997 | CN2270971Y Portable water sampler type hydrometer |
| 12/09/1997 | US5694807 Apparatus and method for determining the mass density of a filament |
| 12/05/1997 | CA2178175A1 Thermal pulse flowmeter sensor |
| 12/04/1997 | WO1997045717A1 Monitoring characteristics of flowing particulate material |
| 11/27/1997 | WO1997044647A1 Measuring device comprising an excitable frequency gauge |
| 11/27/1997 | DE19645950C1 Density meter for small masses |
| 11/27/1997 | CA2255697A1 Measuring device comprising an excitable frequency gauge |
| 11/26/1997 | EP0809106A1 Fluid sensor |
| 11/26/1997 | EP0809105A1 Sensor device |
| 11/20/1997 | DE19619632A1 Measuring density of flowing fluid using at least two measuring points |
| 11/19/1997 | CN1165292A Additional mass method for enrockment body density measurement |
| 11/11/1997 | US5687100 Vibrating tube densimeter |
| 11/11/1997 | US5686664 Atmospheric tide and air density detector |
| 10/30/1997 | WO1997040350A1 Differential pressure device |
| 10/22/1997 | EP0631662B1 Improved viscometer for sanitary applications |
| 10/21/1997 | CA2157516C Coriolis densimeter having substantially increased noise immunity |
| 10/21/1997 | CA2005832C Method and apparatus for estimating the strength of wood |
| 10/02/1997 | WO1997036178A1 Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors |
| 09/25/1997 | WO1997035175A1 Method and device for measuring density |
| 09/25/1997 | CA2250267A1 Method and device for measuring density |
| 09/23/1997 | US5670709 Transducer for the measurement of attributes of flowable media |
| 09/11/1997 | DE19608930A1 Determining density of homogeneous material and surface density distribution of inhomogeneous material |
| 09/10/1997 | EP0422017B1 Method for measuring the thickness of a coating on a substrate |
| 09/03/1997 | CN1158418A gold density meter |
| 08/21/1997 | WO1997030336A1 A method of determining the density profile |
| 08/20/1997 | EP0790545A2 Method and apparatus for measuring or monitoring the density of liquids |
| 08/20/1997 | EP0789888A1 X-ray computed tomography (ct) system for detecting thin objects |
| 08/19/1997 | US5658810 Method of making a sensor for determining a ratio of materials in a mixture |
| 08/14/1997 | WO1997029356A1 Method and apparatus for remote density measurement |
| 08/14/1997 | CA2245813A1 Method and apparatus for remote density measurement |
| 08/07/1997 | WO1997021988A3 Method and apparatus for determining the profile of a sludge bed in a thickener |
| 08/06/1997 | CN2258987Y Continuous automatic liquid density testing device for evaporation concentrator |
| 07/24/1997 | WO1997026508A1 Mass flowmeter |
| 07/24/1997 | DE19601349A1 Flowmeter for small amounts with measuring tube vibrated by exciter |
| 07/23/1997 | EP0785427A1 Method and apparatus for continuously controlling the tendency to form a deposit of water |
| 07/22/1997 | US5651041 Apparatus for measuring the density of accumulations of fibrous material in rod making machines of the tobacco processing industry |
| 07/18/1997 | CA2194527A1 Method and apparatus for analyzing physical properties of materials |
| 07/10/1997 | WO1997024596A1 Method and apparatus for determining physical variables of a slurry or liquid |
| 07/08/1997 | US5646396 Optical position system |
| 07/08/1997 | CA2090727C Differential float means and sensor means incorporating same |
| 06/26/1997 | WO1997022869A1 Method and apparatus for determining physical properties of a gas by controlled gas injections |
| 06/25/1997 | CN1035285C Method for nondestructive testing density homogeneous degree of blasting fuse powder |
| 06/19/1997 | WO1997021988A2 Method and apparatus for determining the profile of a sludge bed in a thickener |
| 06/19/1997 | DE19652002A1 Oscillation measuring unit for measuring flow amount or density of liquid |
| 06/18/1997 | EP0779149A1 Device for controlling the dampening fluid of a printing press |
| 06/10/1997 | US5638174 Fluid sensing apparatus with a rotatable member utilizing different length light pipes for alternately transmitting a light beam |
| 06/10/1997 | CA2121699C Process and apparatus for the machine sorting of sawn timber according to strength |
| 06/05/1997 | WO1997020208A1 Measuring the gold ratio of cast gold |
| 06/04/1997 | EP0690981B1 Vibrating tube densimeter |
| 05/28/1997 | EP0308493B1 Thickness/density measuring apparatus |
| 05/28/1997 | CN2255043Y Direct-reading type rubber-plastic density investigating device |
| 05/20/1997 | US5631420 Hydrometer |
| 05/20/1997 | US5631163 Method for the determination of specific gravity of fluids |
| 05/15/1997 | WO1997014948A3 Method and apparatus for measuring envelope and bulk densities |
| 05/02/1997 | EP0770872A1 Improved method for the determination of specific gravity of fluids |
| 04/29/1997 | US5624597 Freeze dried sphere |
| 04/24/1997 | WO1997014948A2 Method and apparatus for measuring envelope and bulk densities |
| 04/24/1997 | CA2188490A1 Improved method for the determination of specific gravity of fluids |
| 04/22/1997 | US5623251 Device to verify the identity of a fluid for proper selection of storage vessel |
| 04/15/1997 | US5621330 Device and method for determining the moisture content of a bale of material with multiple layers |
| 04/10/1997 | WO1997009590A3 Soil moisture or dielectric constant measuring system |
| 04/10/1997 | WO1997006413A3 Disposable electromagnetic fluid level sensor |
| 04/09/1997 | EP0766814A1 A method of determining the density profile of a plate-shaped material |
| 03/26/1997 | CN1145754A Density measuring device for cigarette-making machine in tobacco-processing industry |
| 03/25/1997 | US5614672 Apparatus for measuring the liquid contents of a tank |
| 03/25/1997 | CA2001030C Method and apparatus for measuring entrained gas bubble content of flowing fluid |
| 03/13/1997 | WO1997009601A1 Viscosimeter calibration system and method of operating the same |
| 03/13/1997 | WO1997009590A2 Soil moisture or dielectric constant measuring system |
| 03/11/1997 | US5609198 Apparatus for measuring the properties of mold materials |
| 03/05/1997 | EP0696354B1 Fluid composition meter |
| 03/05/1997 | CN2248870Y Pressure type water bag method instrument for measuring buliding side density |
| 03/04/1997 | US5608171 Distributed, unattended wastewater monitoring system |
| 03/04/1997 | US5608170 Flow measurement system |
| 03/04/1997 | US5608157 Apparatus for measuring the volume of an object |
| 02/25/1997 | US5606126 Apparatus and a method for automatically measuring the density of an object |
| 02/25/1997 | US5606113 Acoustic methods to monitor sliver linear density and yarn strength |
| 02/25/1997 | CA2001402C Alcohol concentration sensor |
| 02/20/1997 | WO1997006413A2 Disposable electromagnetic fluid level sensor |
| 02/19/1997 | EP0758443A1 Coriolis mass flow rate meter having adjustable pressure and density sensitivity |
| 02/19/1997 | CN2247808Y Liquid flow direction and density on-line display device |
| 02/18/1997 | US5604315 Apparatus using a feedback network to measure fluid pressures |
| 02/13/1997 | WO1997005470A1 Monitoring apparatus and methods |
| 02/12/1997 | EP0757782A1 Coriolis mass flow rate meter |
| 01/29/1997 | EP0756170A2 System for measuring the moisture content of a multi-layer bale of material |
| 01/28/1997 | US5597949 For use in flow systems |
| 01/22/1997 | EP0544784B1 A differential float means and sensor means incorporating same |
| 01/21/1997 | US5596139 Resonant liquid detecting device |
| 01/15/1997 | EP0753137A1 Bulk density sampler apparatus |
| 01/08/1997 | CN2244723Y Apparatus for testing cement density |
| 12/27/1996 | EP0749570A1 Method and device for measuring the characteristics of an oscillating system |
| 12/24/1996 | US5587527 Handheld density meter |
| 12/18/1996 | CN2243077Y Electronic densimeter |
| 12/10/1996 | US5583897 Method for determining nuclear reactor fuel pellet density using gas displacement |
| 12/05/1996 | DE19519662A1 Determination of particle size distribution in soil samples |
| 12/04/1996 | CN2241881Y Built-in total immersion float-type liquid density measuring instrument |
| 12/03/1996 | US5581191 Microwave densitometer |
| 11/27/1996 | EP0744134A2 Density measuring apparatus for rod making machines in the tobacco treatment industry |
| 11/26/1996 | CA2068285C Differential eruthrocyte counts |
| 11/21/1996 | WO1996036983A1 Optical transceiver |