Patents
Patents for G01N 9 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity (6,694)
10/1999
10/12/1999US5965805 Apparatus and method for determining the air entrainment characteristics of liquids
10/06/1999EP0947821A1 Device for continuously detecting the development of reaction processes in a liquid
09/1999
09/30/1999WO1999049296A1 Method for measuring density and viscosity of particle-containing solution
09/28/1999US5959297 Mass spectrometers and methods for rapid screening of libraries of different materials
09/23/1999WO1999047897A1 Multi-phase fluid flow measurement apparatus and method
09/23/1999DE19709143A1 Microwave immersion sensor for measuring very different parameters, e.g. distance, fill level, moisture, material conc., density, etc., e.g. for measuring sol., emulsions or suspensions in industrial process measurement
09/22/1999EP0943091A1 Method and apparatus for characterizing materials by using a mechanical resonator
09/22/1999EP0632886B1 Process and device for machine sorting of sawn timber according to strength
09/21/1999US5953954 Installation and method for determining the level and density of a liquid in a tank, using a single immersed bubble probe
09/14/1999US5952561 Real time asphalt pavement quality sensor using a differential approach
09/07/1999US5948968 Flowing through an oil mist lubrication system
09/02/1999WO1999044018A1 Generalized modal space drive control system for a vibrating tube process parameter sensor
09/02/1999DE19751591A1 Determination of flowing mineral suspension density, for e.g. ores, coal, gypsum or sand
09/01/1999EP0939315A1 In-line detector system for real-time determination of impurity concentration in a flowing gas stream
08/1999
08/25/1999EP0738342B1 Method for controlling a process by measurement of wood chips
08/24/1999US5942684 Buoyancy force sensor for a hydrometer and interlock for a storage tank used in containing a respirable liquid cryogen
08/19/1999DE19804401A1 Vorrichtung zur Aufnahme flüssiger Lebensmittel Apparatus for recording liquid food
08/18/1999EP0936460A2 Shaped body and method for the semi-quantitative determination of the density of bones, bone-substitute material and bone implants
08/18/1999EP0936451A1 Method and device for determining the volume of a ceramic test piece
08/17/1999US5939650 Method for determining suitability of fluid
08/12/1999WO1999039616A1 Container for liquid foodstuff
08/11/1999EP0934520A1 Oil quality sensor
08/11/1999EP0934515A1 Infrared spectroscopy and imaging of libraries
08/11/1999CN1225722A Vibrating tube densimeter
08/05/1999WO1999039181A1 Measurement of relative density of combustible gases
08/05/1999DE19804326A1 Sensor especially for measuring the viscosity and density of a liquid or gas
08/03/1999US5933226 Attachment for a concentration measuring apparatus and a concentration measuring system
08/03/1999US5933015 Method and apparatus for measuring in-place soil density and moisture content
08/03/1999US5932793 Of a multi-component gas
07/1999
07/29/1999WO1999037988A1 Fluid density measurement device
07/29/1999DE19802414A1 Component for more accurate semi-quantitative density determination of bones, bone replacement materials or bone implants
07/22/1999WO1999036768A1 Method and apparatus for measuring the relative density of a gas
07/22/1999WO1999036767A1 Method and apparatus for measuring the calorific value of a gas
07/22/1999WO1999035965A1 Instrument for measuring the amount of salt in a bone
07/22/1999DE19845867A1 Surface tension measurement and process equipment for use with polymer melts
07/21/1999EP0929801A1 Densitometer
07/14/1999EP0725932B1 Method and system for measuring fluid parameters by ultrasonic methods
07/07/1999CN2328008Y Static fluid suspension concentration online tester
07/07/1999CN1044039C Combination well logging device
06/1999
06/24/1999DE19805550C1 Fluid density measuring device
06/23/1999CN2325772Y Digital displaying type instrument for investigating density
06/10/1999WO1999028708A1 Driver for oscillating a vibrating conduit
06/10/1999DE19752686A1 Detecting stones in a stream of conveyed material in continuous handling equipment
06/10/1999CA2312866A1 Driver for oscillating a vibrating conduit
06/03/1999WO1999027344A1 Multi-sensor hydrostatic gauge for fuel storage tanks
06/02/1999EP0660920B1 Coriolis mass flow rate sensor
05/1999
05/26/1999CN2320998Y Simple densimeter
05/25/1999CA2037166C Production logging tool for measuring fluid densities
05/19/1999EP0916303A1 Concentrationindicator
05/18/1999US5905806 Method of detecting an explosive
05/06/1999EP0912882A1 Vibrating tube densimeter
05/04/1999US5900736 Paving material density indicator and method using capacitance
05/04/1999US5900547 Differential level hydrometer
05/04/1999US5900535 Method and apparatus for ultrasonic measurement of fuel quantity and density
05/04/1999US5900534 To measure density of gas flowing from a gas supply through a mass flowmeter
04/1999
04/28/1999CN1043164C Additional mass method for enrockment body density measurement
04/21/1999EP0909943A1 Vibration type gas densitometer
04/15/1999WO1999018431A1 Method and apparatus for characterizing materials by using a mechanical resonator
04/08/1999WO1999017112A1 Apparatus and method for determining the air entrainment characteristics of liquids
04/08/1999WO1999017096A1 System and method for detection, identification and monitoring of submicron-sized particles
04/08/1999CA2306032A1 System and method for detection, identification and monitoring of submicron-sized particles
04/06/1999US5892143 Sensor device with fluid introduction holes
04/06/1999CA2004142C A method and system for measuring a vertical densily profile of a fluid
03/1999
03/31/1999EP0905504A1 Apparatus for determining the mass and the density
03/30/1999US5889278 Optical communication device
03/24/1999CN1211731A Automatic continuous detection instrument for well drilling liquid chlorine ion
03/23/1999US5886250 Pitch-catch only ultrasonic fluid densitometer
03/23/1999US5885496 Pressurized feedshoe apparatus and method for precompacting powdered materials
03/10/1999EP0900369A1 Measuring device comprising an excitable frequency gauge
03/04/1999WO1999010740A1 Method for measuring without combustion the heat value of fuel gas
03/04/1999WO1999010712A1 A method and apparatus for measuring oil effluent flow rates
03/02/1999US5877493 Optical sensing apparatus
03/02/1999US5877411 Fluid sensor
02/1999
02/25/1999DE19736528A1 Combustionless method to determine calorific value of, e.g. natural gas
02/18/1999DE19733784A1 Density distribution measurement of solid consisting of particles
02/17/1999CN2308092Y Determining meter for liquid density
02/10/1999EP0895582A1 Differential pressure device
02/09/1999US5869771 Multi-phase fluid flow measurement apparatus and method
02/04/1999WO1999005517A1 Measuring relative density of a gas
02/04/1999WO1999005482A1 Reduction in overall size, weight and extension of dynamic range of fluid metering systems
02/04/1999CA2297250A1 Reduction in overall size, weight and extension of dynamic range of fluid metering systems
02/03/1999EP0895081A2 Paving material density indicator and method using capacitance
02/03/1999CN1206837A Method for measuring earth stratum density
01/1999
01/27/1999CN2305669Y Gravity displayer for cell electrolyte
01/27/1999CN1206464A Measuring gold ratio of cast gold
01/26/1999US5864240 Method and apparatus for measuring concentration of matter in liquid by using microwaves
01/21/1999WO1999002964A1 Method for determining the density of a gas
01/21/1999WO1999002945A1 Drive circuit modal filter for a vibrating tube flowmeter
01/21/1999DE19730573A1 Automatic control of carbonisation in production of potassium carbonate solution from potassium hydroxide solution
01/21/1999CA2303805A1 Method for determining the density of a gas
01/21/1999CA2291237A1 Drive circuit modal filter for a vibrating tube flowmeter
01/20/1999CN2304908Y Multifunctional battery electrolyte specific gravity gauge
01/07/1999EP0889321A1 Moisture and density sensor
01/07/1999EP0889317A2 Continuous method of removing impurities from crude silver nitrate
12/1998
12/30/1998CN2302513Y Railway bulk goods density meter
12/23/1998EP0886128A1 Hydrometer for a liquid cryogen
12/10/1998DE19724014A1 Apparatus to determine zero charge point of colloids and suspensions
12/09/1998EP0882974A1 Device and procedure for determining the level and the density of a liquid in a tub, by means of a single bubble plunger tube
12/08/1998US5847276 Fluid displacement level, density and concentration measurement system
12/08/1998US5847273 Method and device for determining the delivered volume of a batch or lot of bulk material
1 ... 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 ... 67