Patents
Patents for G01N 9 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity (6,694)
01/1982
01/05/1982US4308817 State of charge battery monitor
12/1981
12/29/1981US4307609 Liquid density meter
12/22/1981CA1114672A1 Ink maintenance sensor
12/15/1981US4305303 Sampling device and methods for collecting a lighter medium floating on a heavier medium
12/15/1981CA1114195A1 Apparatus for monitoring variations in the composition of an heterogenous liquid flowing mixture
12/10/1981WO1981003547A1 Method and device for measuring the fat content of meat
12/01/1981CA1113273A1 Vibration densitometer with high drive efficiency and signal re-acquisition
11/1981
11/17/1981CA1112471A1 Liquid density meter
11/10/1981US4300201 Method and apparatus for ascertaining the bulk weight of tobacco or the like
11/10/1981US4299116 Methods involving differential pressure determinations
11/03/1981US4297872 Vibration type transducer
10/1981
10/27/1981US4297608 Measuring equipment for acoustic determination of the specific gravity of liquids
09/1981
09/22/1981US4290300 Sucrose density gradient system
09/08/1981US4287760 Method and equipment to measure fat content of meat
08/1981
08/25/1981US4285239 Apparatus for measuring varying density of a slurry flowing in a pipeline
08/18/1981US4283936 Vibration densitometer assembly
08/11/1981US4282760 Multiphase fluid flow meter (D#76,244)
08/11/1981US4282742 Densitometer
08/11/1981CA1210611B Method and structure for flow measurement
08/11/1981CA1106636A1 Method and structure for flow measurement
08/04/1981US4282434 Radiation measurements on mineral slurries
07/1981
07/14/1981US4277970 Apparatus and method for specific gravity measurement
07/07/1981US4277681 Low radiation densitometer
06/1981
06/30/1981US4275593 Specific gravity meter for aircraft de-icing equipment
06/30/1981US4275585 Vibrator type densitometer
06/23/1981US4274283 Apparatus and method for measuring fluid gel strength
06/16/1981US4274016 Voltage-to-current converter
06/16/1981US4273744 Device for automatic addition of a corrosion inhibitor to a coolant system
06/16/1981US4272868 Device for obtaining a control signal corresponding to the density of the fibre web lying on a fibre-carrying element of a card
06/09/1981CA1102930A1 Device for non-contact gauging of thickness or weight per unit area of sheet and like materials
05/1981
05/20/1981EP0028629A1 A method and apparatus for determining the density of a process liquid.
04/1981
04/28/1981US4263804 Apparatus for directly measuring density altitude in an aircraft
04/21/1981US4262523 Measurement of fluid density
04/15/1981EP0027104A1 A method for determining the properties of a material having plastic properties by determining its density, and an apparatus for carrying out the method
04/14/1981US4262201 Apparatus for determining the specific weight of selected regions of microscopic small plane parallel samples
04/01/1981EP0026012A1 A process for determining the API gravity of a mineral oil
03/1981
03/17/1981CA1097516A1 State of charge sensing means
03/10/1981US4255053 Photometer including auxiliary indicator means
02/1981
02/11/1981EP0023631A1 Means and method for determining the ionic strength or specific gravity of an aqueous test sample
02/10/1981CA1095589A1 Capacitor cell for moisture testing
02/03/1981US4248599 Flame ionization detector
01/1981
01/27/1981CA1094343A1 Antifreeze tester
01/13/1981US4244218 Fluid measuring device
01/13/1981CA1093675A1 Densitometer
01/06/1981CA1092855A1 Method and apparatus for measuring volume and density of fluids by a drilling fluid system
12/1980
12/30/1980CA1092698A1 Densitometer
12/23/1980US4240285 Measurement of the density of liquids
12/23/1980US4240282 Combined level indicator and hydrometer
12/02/1980US4236405 Pendulum densimeter
11/1980
11/27/1980WO1980002593A1 A method and apparatus for determining the density of a process liquid
11/25/1980US4235099 Ultrasonic apparatus and method for measuring the density of liquid
11/18/1980CA1089674A1 Apparatus for measuring the sedimentation characteristics of particulate solids in liquid
11/18/1980CA1089644A1 Pellet dimension checker
11/11/1980US4232544 Transducer for sensing a parameter of a fluid
10/1980
10/14/1980US4228353 Multiple-phase flowmeter and materials analysis apparatus and method
10/07/1980CA1086983A1 Vibration densitometer probe with an annular shield that suppresses calibration shifts
09/1980
09/02/1980US4220040 Method and system for transmission and receipt of measuring ultrasonic wave
08/1980
08/26/1980US4218920 Nuclear fuel particle bulk density determination
08/20/1980EP0014576A1 Apparatus for determining nuclear fuel particle bulk density
08/19/1980US4217774 Apparatus for measuring the value of a fluid variable
08/12/1980US4216673 Fluid property detection system
08/05/1980US4215574 Indication of the momentary value of liquid level
08/05/1980US4215566 Densitometer with voltage driver
07/1980
07/29/1980US4214474 Density monitoring apparatus
07/23/1980EP0013588A1 Method and device for recording a measuring value dependent upon the density of a ground-water mixture
07/09/1980EP0012788A1 Ultrasonic method and apparatus for measuring the density of liquid
07/08/1980CA1080998A1 High temperature operation vibration densitometer
07/01/1980US4210027 Estimation of amount of gold in a nugget without destroying any of it
07/01/1980US4210015 Device for following the variations in the composition of a flowing heterogeneous liquid mixture
06/1980
06/03/1980CA1078642A2 Identifying densification rate of sinterable material
05/1980
05/27/1980CA1078214A1 Viscosimeter and/or densitometer
05/13/1980US4203065 State of charge sensing means
05/06/1980US4201082 Process and equipment for determining the density of a loaded drilling fluid from a deep well, in particular an oil well
04/1980
04/22/1980US4199003 Flow control system with density compensation
04/15/1980CA1075495A1 Method and apparatus for the measurement and control of viscosity of slurries
04/08/1980US4196614 Process and device for quantitative analysis of cement and water content in fresh concrete
04/08/1980US4196613 Device for measuring the fluid density of a two-phase mixture
03/1980
03/25/1980US4194385 Densitometer calibration method
03/25/1980CA1074221A1 Method, composition and device for determining the specific gravity or osmolality of a liquid
03/18/1980US4193502 Pellet dimension checker
03/18/1980US4193303 Level and density-meter
03/18/1980US4193291 Slow torsional wave densitometer
03/18/1980CA1073697A1 Discontinuity suppression apparatus for vibration densitometers
02/1980
02/05/1980US4186608 Method and apparatus for verifying declared contents of contents of certain solids
01/1980
01/29/1980US4186306 Perlite expansion density control system
01/22/1980US4184371 Apparatus for measuring the density of a body
01/15/1980CA1069727A2 Densitometer probe shield and well
01/08/1980US4182957 Process for determining the fuel flow into the gasifier of a partial oxidation installation for solid, fine-grain or dust-like fuels
12/1979
12/11/1979US4177669 Device for measuring the density of a fluid
12/11/1979CA1067718A1 Vibration densitometer
11/1979
11/27/1979US4175426 Apparatus for measuring the sedimentation characteristics of particulate solids in liquid
11/27/1979US4175423 Apparatus for determining the pulse repetition rate of a fluidic oscillator through which a test gas is flowing
11/13/1979CA1066167A1 Aviation fuel grade monitor
11/13/1979CA1066088A1 Pneumatic detector for chromatogaphic analyzer
10/1979
10/16/1979US4170894 Means, employing a fluidic oscillator, for determining the density of gas
10/16/1979US4170892 Method of and apparatus for the analysis of gases
10/09/1979US4170128 Apparatus for density determination
08/1979
08/07/1979CA1059786A1 Method and apparatus for measuring density of suspension
06/1979
06/26/1979US4158959 Apparatus for measuring the physical properties of material
05/1979
05/22/1979US4155254 Volume and density indicator system for liquids in tanks
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