Patents
Patents for G01F 23 - Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm (31,056)
04/2000
04/25/2000US6055485 Apparatus and method for estimating remaining fuel quantity in GEO (Geostationary Earth Orbit) communication satellite propulsion system
04/25/2000US6054946 Radar-based method of measuring the level of a material in a vessel
04/25/2000US6053042 Frequency-analysis-type water level measuring method and device therefor
04/25/2000US6053041 Noninvasive method for determining the liquid level and density inside of a container
04/25/2000US6053039 Apparatus for the measurement of liquid flow
04/25/2000US6053037 Spray distribution measuring device and measuring method
04/25/2000CA2010452C Passive acoustics process to monitor fluidized bed level
04/21/2000CA2286537A1 Acoustic pulse echo ranging system
04/20/2000WO2000022387A1 Level measurement systems
04/20/2000DE19847555A1 Level measurement system for multi-phase offshore separator tank, comprises gamma detector to detect shadow of natural gamma radiation absorption by tank contents using long, vertical scintillation detector
04/20/2000CA2715553A1 A multiphase density profiler
04/19/2000EP0993594A1 Method and device for determining the filling height of a product in a tank
04/19/2000EP0993593A1 Device for regulating the contents of a container
04/19/2000CN2374850Y Metering terminal of liquid cylinder
04/18/2000US6051783 Electronics enclosure
04/18/2000CA2193560C Processor apparatus and method for a process measurement signal
04/12/2000EP0992767A1 Variable height sensor tree
04/12/2000EP0992452A1 Valve coupling with float
04/12/2000CN2373780Y Magnetic float-type liquid level sensor
04/12/2000CN2373557Y Drilling fluid volume instrument
04/12/2000CN1250154A Automatic supersonic oil tank level measurement technology based on half-wave transmission principle
04/12/2000CN1051434C Jig for detecting warp of printed circuit board
04/11/2000US6049088 Fluid overfill probe with anti-reflective guard
04/11/2000US6048487 Recoating stereolithographic layers
04/11/2000US6047598 Arrangement for measuring the level of contents in a container
04/06/2000WO2000019173A2 Analog liquid level sensor
04/06/2000WO2000019168A1 Measuring the angular distribution of a liquid spray produced by a fuel injection valve
04/06/2000WO2000018298A1 An apparatus and method of measuring the flow of a liquid, in particular urine, from a patient
04/06/2000DE19842243A1 Lever sensor for determining level of liquid in container, e.g. motor vehicle fuel tank, has potentiometer with contact plate with sliding contacts that can be moved in direction of tracks
04/06/2000DE19841770A1 Level gauge system for urea solution used in selective catalytic reduction of exhaust pollutants, includes sensors for interdependent magnitudes, to establish filling level reliably
04/05/2000EP0990878A1 Method and apparatus for determining the stability of a layer of foam
04/05/2000CN2372670Y Double water level water gage for mobile air conditioner
04/05/2000CN2372669Y Non-contact liquid level measurer
04/05/2000CN2372668Y Photoinduction type oil quantity indicator for motor vehicle
04/05/2000CN2372591Y Fuel tank with automatic alarm and luminous display quantity device
04/04/2000US6046960 Apparatus and method for discriminating true and false ultrasonic echoes
04/04/2000US6046447 Triangulation position detection with fill level control
04/04/2000US6044703 Settling process analysis device and method
04/04/2000US6044699 Gauge for accurately measuring precipitation
04/04/2000US6044694 Resonator sensors employing piezoelectric benders for fluid property sensing
04/04/2000CA2183043C Carrier frequency sensing of fluids in vessels
04/04/2000CA2011659C Measuring sensor for fluid state determination and method for measurement using such sensor
03/2000
03/30/2000DE19942138A1 Time-difference method of measuring fluid flow rate; involves using ultrasound to calculate through flow of fluid in large river or open channel or of gas in large pipe
03/30/2000DE19844602A1 Verfahren und Vorrichtung zum Messen der Winkelverteilung eines Flüssigkeitsstrahls Method and device for measuring the angular distribution of a liquid jet
03/30/2000DE19843598A1 Elektrischer Füllstandsgeber für Kraftfahrzeugtanks Electrical level sensor for vehicle fuel tank
03/29/2000EP0989390A1 Electric level indicator for fuel tanks of a motor vehicle
03/29/2000EP0989389A2 Device for measuring the filling level
03/29/2000EP0988661A1 Horn antenna
03/29/2000CN2371546Y Electric float level transmitter
03/29/2000CN2371545Y Buoy type level same direction displaying detector
03/29/2000CN2371544Y Float-type liquid level tester
03/29/2000CN2371543Y Multi-stage double-way quartz tube type level meter
03/29/2000CN1248703A Method for measuring ultrasonic flow speed
03/29/2000CN1050925C Midloop water level monitor
03/29/2000CN1050912C Method and apparatus for measuring displacement of molten metal
03/29/2000CA2249090A1 Low water level indicator
03/28/2000US6041966 Enclosure for a bottom draining container
03/28/2000US6041650 Liquid level gauge
03/28/2000CA2215626C Filling level measurement device operating with microwaves
03/23/2000DE19838664A1 Vorrichtung und Verfahren zum Messen des Füllstands eines Mediums in einem Speicherbehälter sowie Vorrichtung zum Speichern von Medien Apparatus and method for measuring the level of a medium in a storage container as well as means for storing media
03/22/2000EP0986740A1 Measurement of quantity of incompressible substance in a closed container
03/22/2000EP0858349A4 Optical dose measurements in syringes
03/22/2000CN2370400Y Digit display fuel-oil sensor
03/22/2000CN2370399Y High temperature leveler
03/22/2000CN1247974A Pneumatic liquid level indicator
03/21/2000US6040897 Remote sensor head for laser level measurement devices
03/21/2000US6040776 Collection of process effluent
03/21/2000US6038919 Measurement of quantity of incompressible substance in a closed container
03/16/2000WO1999057526A3 Ultrasonic transducer
03/15/2000EP0985937A2 Piezoelectric transducer assembly and method
03/15/2000EP0985917A1 Method for operating and testing the functioning of an ultrasonic level sensor and a sensor utilizing such a method
03/15/2000EP0985916A1 Device for detecting and/or monitoring a predetermined level in a container
03/15/2000EP0985915A2 Automatic recognition of different types of liquid level sensor
03/15/2000EP0985611A1 Device for measuring the filling level of a tank, dome comprising said device, and tank comprising said device
03/15/2000EP0658247B1 Liquid volume measuring apparatus
03/15/2000CN2369228Y Automatic powder level measuring meter
03/15/2000CN2369227Y Level sensor
03/15/2000CN2369226Y Fuel meter for fuel tank of diesel locomotives
03/15/2000CN2369225Y Quantity display unit for light oil tank
03/15/2000CN2369224Y Solution signal pipe
03/15/2000CN2369223Y Level transducer
03/15/2000CN1247600A Oil level measuring device for oil tank of vehicle
03/15/2000CN1050425C Multi-tube liquid specific gravityand container liquid-level measuring unit
03/14/2000US6036296 Fluid level detection apparatus and method for determining the volume of fluid in a container
03/14/2000CA2188910C Method for calibration in level measurement
03/14/2000CA2041651C Compact head, signal enhancing magnetostrictive transducer
03/09/2000WO2000012973A1 System and method for calibrating a sensor
03/09/2000WO2000012972A1 Device and method for determining volume
03/09/2000DE19840796C1 Verfahren zum Betreiben und Funktionstesten eines Vibrationsgrenzstandsensors und hierfür geeigneter Vibrationsgrenzstandsensor A method of operating and functional testing of a vibrating point level sensor suitable for this purpose and vibration level sensor
03/09/2000DE19839112A1 Vorrichtung und Verfahren zur Volumenbestimmung Apparatus and method for volume determination
03/09/2000DE19839000A1 Monitoring filling level of liquid medium e.g. in heating oil tank has measuring and indicating system in tank or container or cistern detected from outside through tank wall
03/09/2000DE19827944A1 Verfahren und Einrichtung zur Bestimmung der Kraftstoff-Restmenge in einem Kraftstoffsystem eines Kraftwagens Method and apparatus for determining the residual fuel amount in a fuel system of a motor vehicle
03/08/2000EP0984459A2 Rotary potentiometer
03/08/2000EP0984248A1 Measurement detector
03/08/2000CN2368017Y Induction type liquid-level indicator
03/08/2000CN2368016Y Electric floating drum liquid-level transmitter
03/08/2000CN2368015Y Directional valve type liquid-level sensor
03/08/2000CN2368014Y Liquid-level detecting sensor
03/08/2000CN2367315Y Infusion alarming device
03/08/2000CN1246817A Continous casting apparatus using molten metal level gauge