| Patents for G01F 25 - Testing or calibrating of apparatus for measuring volume, volume flow, or liquid level, or for metering by volume (5,338) |
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| 12/31/2009 | DE102009030077A1 Verfahren zum Simulieren der Vermessung eines Flüssigkeitstanks A method of simulating the measurement of a liquid tank |
| 12/30/2009 | EP2137541A1 Method and device for measuring flow velocities |
| 12/30/2009 | CN101614575A Method for correcting relation of voltage and airflow speed of mass flow sensor |
| 12/29/2009 | US7638338 Measurement and calibration method for sample injection volume and mobile phase delivery rate in a ultra micro-scale liquid phase delivery system |
| 12/24/2009 | DE202009012362U1 Mobile Prüfeinrichtung zur Volumenmessung von Flüssigkeiten Mobile testing device to measure the volume of liquids |
| 12/23/2009 | EP2136188A1 Capacitive liquid level sensor |
| 12/17/2009 | WO2009150356A2 Device and method for correcting values delivered by a flowmeter provided in an internal combustion engine |
| 12/16/2009 | CN201364194Y Liquid flow test device |
| 12/16/2009 | CN201364193Y Steam flow quantity standard device |
| 12/16/2009 | CN100570288C Device for the capacitive determination and/or monitoring of a fill-level |
| 12/15/2009 | US7634367 Estimating fluidic properties and using them to improve the precision/accuracy of metered fluids and to improve the sensitivity/specificity in detecting failure modes |
| 12/15/2009 | US7632459 System and method for controlling an ultraviolet air treatment device for return air duct applications |
| 12/15/2009 | CA2448275C Flowmeter proving device and method |
| 12/10/2009 | WO2009148774A1 Fuel dispenser utilizing pressure sensor for theft detection |
| 12/10/2009 | WO2009146724A1 Electromagnetic flowmeter and method with full pipe detection by the help of third electrode |
| 12/10/2009 | US20090301167 Water detection device |
| 12/10/2009 | DE102008026620A1 Method for calibrating ultrasonic flow meter, involves measuring time in calibration step, which requires ultrasonic pulse from ultrasonic transmitter along ultrasonic path of geometrical length to ultrasonic receiver |
| 12/09/2009 | EP2131163A2 Water detection device for indicating a volume of used water |
| 12/09/2009 | CN201359517Y Plastic water meter shell and detecting bracket for same |
| 12/09/2009 | CN101598590A Bidirectional double-ball standard volume tube |
| 12/08/2009 | CA2629960C Apparatus and method for improving the accuracy of measurements taken with a capacitance-type sensor |
| 12/03/2009 | WO2009108839A3 Flow meter proving method and system |
| 12/03/2009 | US20090299657 Air flow measurement device and air flow correction method |
| 12/03/2009 | US20090293582 Method and apparatus for a bidirectional meter proving system |
| 12/02/2009 | CN101595372A Method for operating a vibratory measuring instrument, and corresponding instrument |
| 12/02/2009 | CN101592556A Device for calibrating steady flow testbed of air passage |
| 12/01/2009 | US7624616 Meter proving method and system |
| 12/01/2009 | CA2501825C Fluid delivery device, system and method |
| 11/26/2009 | WO2009143438A1 Improved configuration of a multivariable process fluid flow device |
| 11/26/2009 | US20090288470 Method of controlling a pipetting process |
| 11/26/2009 | DE102008008427B3 Calibrating device for calibrating gas flowmeter, has reference flowmeter, where adjusting medium has capillary for guiding measuring gas, and clamping medium for clamping capillary in adjustable manner |
| 11/26/2009 | DE10100984B4 Vorrichtung für die Kalibrierung von Mehrkanal-Pipetten mittels Vorrichtung für den Transport von Gefässen zu einer Messeinrichtung Apparatus for calibration of multi-channel pipettes with the device for the transport of vessels to a measuring device |
| 11/25/2009 | CN201352143Y Full closed open commutator |
| 11/24/2009 | US7623980 Measuring device with evaluation unit and external memory |
| 11/24/2009 | CA2500194C A method for calibration of milk meters in a milking system |
| 11/19/2009 | WO2009140063A2 Method and apparatus for real-time calibration of a liquid storage tank level gauge |
| 11/19/2009 | WO2009139716A1 Radar level gauge system using a waveguiding structure with periodically arranged reference impedance transitions |
| 11/19/2009 | US20090287445 System and method for calibrating and monitoring the condition of a sensor device |
| 11/19/2009 | US20090282892 Method and apparatus for real-time calibration of a liquid storage tank level gauge |
| 11/19/2009 | DE102008023024A1 Device for examining liquid volume measurement and volumetric measurement, has balancing container, intake pipe, impact plate and balance, where intake pipe is placed at top side of balancing container |
| 11/18/2009 | EP2120020A1 In-flow determination of left and right eigenvectors in a coriolis flowmeter |
| 11/18/2009 | CN201348532Y Auxiliary device of displacement type level transmitter |
| 11/18/2009 | CN201348531Y Vortex-shedding meter probe verifying device |
| 11/18/2009 | CN101583855A Methods for verifying gas flow rates from a gas supply system into a plasma processing chamber |
| 11/18/2009 | CN101581596A Flow detecting method based on double-time measurement technology and apparatus thereof |
| 11/18/2009 | CN101581595A Method for determining flow calibration factor of Coriolis flowmeter |
| 11/18/2009 | CN100561140C Method and apparatus for validating the accuracy of a flowmeter |
| 11/18/2009 | CN100561137C Self-tuning ultrasonic meter |
| 11/12/2009 | WO2009135764A1 Measuring apparatus and method for monitoring a measuring apparatus |
| 11/12/2009 | WO2009135757A1 Method for determining reference values for measured values of a capacitance to be measured using a capacitive measuring apparatus |
| 11/12/2009 | US20090277281 Startup techniques for a digital flowmeter |
| 11/12/2009 | US20090277243 Electrically controlled hydraulic valve calibration method and system |
| 11/12/2009 | DE10326656B4 Durchflusssensor Flow sensor |
| 11/12/2009 | DE102008022373A1 Meßgerät sowie Verfahren zum Überwachen eines Meßgeräts Measuring device and method for monitoring of a measuring instrument |
| 11/11/2009 | CN101576403A Gas flow standard device |
| 11/11/2009 | CN100559132C Compensation method and apparatus for a Coriolis flow meter |
| 11/10/2009 | US7614273 Method for detecting corrosion, erosion or product buildup on vibrating element densitometers and Coriolis flowmeters and calibration validation |
| 11/05/2009 | WO2009134890A2 Apparatus and method for proving at low temperatures |
| 11/05/2009 | WO2009134268A1 Method for generating a diagnostic from a deviation of a flow meter parameter |
| 11/05/2009 | WO2009134202A1 Method of determining a disturbance echo profile for a radar level gauge system |
| 11/05/2009 | US20090272173 Three pickoff sensor flow meter |
| 11/05/2009 | CA2723740A1 Apparatus and method for proving at low temperatures |
| 11/05/2009 | CA2722856A1 Method for generating a diagnostic from a deviation of a flow meter parameter |
| 11/04/2009 | EP2113071A1 Device for metering fluids |
| 10/29/2009 | US20090266139 Real time lead-line characterization for mfc flow verification |
| 10/27/2009 | US7607335 Particulate sampler system flow calibration |
| 10/22/2009 | US20090263246 Calibration method |
| 10/22/2009 | US20090260414 Method of calibrating measurement systems |
| 10/21/2009 | CN101561309A Online measurement device and measurement method thereof for pipeline flux instrument |
| 10/20/2009 | US7603885 Method for testing a mass flow rate meter |
| 10/20/2009 | CA2502925C Fluid dispenser calibration system and method |
| 10/15/2009 | DE202007018927U1 Ultraschallzähler auf einem austauschbaren Einsatz Ultrasonic meters on a replaceable insert |
| 10/14/2009 | CN101556181A Composite static start-stop method mass flowmeter calibration system |
| 10/14/2009 | CN100549714C Method for operating tests of vibration level sensors and corresponding vibration level sensor |
| 10/13/2009 | US7600485 Method for calibration of milk meters in a milking system |
| 10/07/2009 | CN201322641Y Device for clamping elbow sensor in elbow flowmeter detection |
| 10/07/2009 | CN201322640Y Device for detecting elbow flowmeter |
| 10/07/2009 | CN201322639Y Standard metal tank with telescopic frame for detecting fuel dispenser |
| 10/07/2009 | CN101551675A Flow controller and test method therefor, and flow control method |
| 10/06/2009 | US7597008 Method and apparatus for determining flow pressure using density information |
| 10/01/2009 | US20090241646 Viscometer |
| 09/30/2009 | CN101545820A Comprehensive test-bed |
| 09/30/2009 | CN101545801A Calibration device for solid mass flow meter, using method and system comprising same |
| 09/30/2009 | CN100545593C Method and apparatus for validating the accuracy of a flowmeter |
| 09/24/2009 | WO2009117169A1 High accuracy mass flow verifier with multiple inlets |
| 09/24/2009 | US20090235716 Determining total mill flow in a biofuel production process |
| 09/24/2009 | DE19920393B4 Anordnung zum Bestimmen eines Volumens eines Gasstroms Means for determining a volume of a gas stream |
| 09/23/2009 | CN201314838Y External precision regulator for volumetric flowmeter |
| 09/23/2009 | CN101539451A On-line detecting and indicating device of fuel gas meter |
| 09/17/2009 | WO2009094207A3 Device, method, and system for calibration of a flow meter used in conjunction with a ventricular assist device |
| 09/16/2009 | CN101532854A Detecting device for swirl flowmeter |
| 09/16/2009 | CN100541137C Scale for use with a translation and orientation detection system |
| 09/11/2009 | WO2009110895A1 A system, method, and computer program for determining fluid flow rate using a pressure sensor and a thermal mass flow sensor |
| 09/11/2009 | WO2009109756A1 Weight observer for mass metering and inventory management |
| 09/09/2009 | CN101529216A Multiple flow conduit flow meter |
| 09/09/2009 | CN101526387A Device for clamping bent pipe sensor during detecting bent pipe flow meter |
| 09/09/2009 | CN100538708C Method for comparing and selecting process control apparatus |
| 09/08/2009 | US7587290 High water cut well measurements using heuristic salinity determination |
| 09/08/2009 | US7584644 Calibrator for fuel pump |
| 09/03/2009 | WO2009108839A2 Flow meter proving method and system |