| 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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| 04/13/2010 | US7694584 Coriolis flow meter and method for determining a signal difference in cabling and first and second pickoff sensors |
| 04/13/2010 | CA2280676C Closed loop calibrator and process of calibrating a liquid metering device in a closed atmosphere |
| 04/08/2010 | WO2010037586A1 Method for producing a capacitive measuring device |
| 04/08/2010 | DE10356008B4 Verfahren zum Betreiben eines Meßgeräts A method of operating a meter |
| 04/08/2010 | DE102008050326A1 Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße eines Mediums A device for determining and / or monitoring a process variable of a medium |
| 04/08/2010 | DE102008050138A1 Method for assigning measuring signal of fill level sensor to liquid amount in fuel container of motor vehicle, involves obtaining Measuring signals of sensor, and using characteristics curves for determining assignment of measuring signal |
| 04/08/2010 | DE102008031005B3 Gas flow producing method for calibrating flow rate measuring device, involves actuating branch-off valve such that rear nozzle-input pressure is changed to rear nozzle-input-set pressure that adjusts gas flow with mass flow in branch line |
| 04/08/2010 | DE102006033611B4 Gasphasenkorrektur für Ultraschalldurchflussmesser Gas phase correction for ultrasonic flowmeter |
| 04/08/2010 | DE10030628B4 Flüssigkeitsstand-Meßsystem Liquid level measuring system |
| 04/06/2010 | US7690242 Lighter device with flow restrictor and methods of manufacturing and testing same |
| 04/06/2010 | US7690240 Flowmeter calibration techniques |
| 04/01/2010 | WO2010034939A1 Method for determining flow rates for a first gas phase and at least one second liquid phase present in a multiphase fluid |
| 04/01/2010 | US20100080703 System and method for wind condition estimation |
| 03/31/2010 | EP2167922A1 Noise diagnosis of operating conditions for an electromagnetic flowmeter |
| 03/31/2010 | CN101688798A Magnetic flowmeter output verification |
| 03/31/2010 | CN101687086A A patient ventilation system with gas identification means |
| 03/30/2010 | CA2214950C Electronic gas meter |
| 03/25/2010 | US20100076371 Device and method employing shape memory alloy |
| 03/25/2010 | US20100071438 Method and apparatus for calibrating mass flow controllers |
| 03/24/2010 | EP2164551A1 A patient ventilation system with gas identification means |
| 03/24/2010 | CN201429451Y Special-purpose standard metal measuring device for checking fuel charger |
| 03/24/2010 | CN100595527C Household fuel gas gage on-site verification method and apparatus |
| 03/24/2010 | CN100595526C Dry calibrating method and apparatus of portable electromagnetic flowmeter |
| 03/23/2010 | US7682568 Pipette with tip container |
| 03/18/2010 | US20100070209 Method and apparatus for adaptively handling level measurements under unstable conditions |
| 03/18/2010 | US20100068072 Device and Method Employing Shape Memory Alloy |
| 03/18/2010 | US20100064766 Calibration tool for air data measurement devices |
| 03/17/2010 | EP2162707A2 Measuring system for a medium flowing in a process line |
| 03/17/2010 | CN101672683A Method for online calibrating perforated plate-type steam flow measurement system |
| 03/17/2010 | CN101672669A System and method for gas flow velocity verification |
| 03/16/2010 | US7680617 Process control architecture with hydrodynamic correction |
| 03/11/2010 | WO2010027535A1 A method and system for testing a fuel injector |
| 03/11/2010 | WO2009158605A3 Velocity-enhanced flow measurement |
| 03/11/2010 | US20100063765 Flow Sensor Calibrated by Volume Changes |
| 03/11/2010 | US20100063449 Device and method employing shape memory alloy |
| 03/11/2010 | US20100063446 Device and Method Employing Shape Memory Alloy |
| 03/11/2010 | DE102005023115B4 Verfahren zum Überwachen einer Fluid-Durchflußmessung und Sensorsystem für eine Fluid-Durchflußmessung A method of monitoring a fluid flow measurement and sensor system for a fluid-flow measurement |
| 03/10/2010 | EP2160613A2 System and method for automated calibration of a fuel flow meter in a fuel dispenser |
| 03/10/2010 | CN101666670A Gas flow calibration device based on standard plunger piston |
| 03/09/2010 | CA2498839C Propane measurement using a coriolis flowmeter |
| 03/04/2010 | WO2009150356A3 Device and method for correcting values delivered by a flowmeter provided in an internal combustion engine |
| 03/04/2010 | US20100057038 Device and Method Employing Shape Memory Alloy |
| 03/04/2010 | US20100057007 Device and Method Employing Shape Memory Alloy |
| 03/03/2010 | CN201417169Y Detection device of industrial diaphragm gas meter |
| 02/25/2010 | US20100049462 Particulate matter sensor calibration |
| 02/25/2010 | US20100049461 Mass flow controller with improved dynamic |
| 02/25/2010 | US20100049133 Device and method employing shape memory alloy |
| 02/25/2010 | US20100049132 Device and method employing shape memory alloy |
| 02/25/2010 | US20100049131 Device and method employing shape memory alloy |
| 02/25/2010 | US20100049130 Device and method employing shape memory alloy |
| 02/25/2010 | US20100043521 Meter proving method and system |
| 02/24/2010 | CN101655386A Weight aerial-drainage pressure-stabilization device |
| 02/18/2010 | US20100037673 Apparatus and method for monitoring tanks in an inventory management system |
| 02/17/2010 | CN201408057Y Rapid checking device of refueling machine |
| 02/17/2010 | CN201408056Y Handheld device used for debugging liquid level meter |
| 02/17/2010 | CN201408055Y Single-direction ball volume pipe seal conversion device |
| 02/17/2010 | CN201408054Y Solid mass flowmeter calibration device and system containing the device |
| 02/17/2010 | CN101650212A Method for evaluating accuracy of flow measuring data by current meter method |
| 02/17/2010 | CN100590399C Flow rate sensor calibrating method in medical respiration mechanics module |
| 02/11/2010 | DE10045871B4 Mehrstrahlzähler Multi-jet meters |
| 02/10/2010 | EP2150783A1 Liquid level sensor |
| 02/10/2010 | EP2150781A1 Method for starting up and/or reconfiguring a programmable field measuring instrument |
| 02/10/2010 | CN201402172Y On-line detection and indication device for gas meters |
| 02/10/2010 | CN201402160Y Pitot tube flowmeter with zero point calibration function |
| 02/04/2010 | US20100024567 Method and apparatus for ascertaining volume- or mass-flow |
| 02/03/2010 | CN201397184Y Device for testing water metering performance of electronic module of nonmagnetic water meter |
| 02/03/2010 | CN201397183Y Promotion liquid-level converter detection platform |
| 02/03/2010 | CN100587414C Discrete level measurement device with automatic threshold setting |
| 02/02/2010 | US7654127 Malfunction detection in infusion pumps |
| 01/28/2010 | DE10012309B4 Thermisches Wärmefluss-Messgerät Thermal heat flow meter |
| 01/27/2010 | EP2147284A1 Method for measuring and/or monitoring a flow parameter and corresponding device |
| 01/27/2010 | CN201392230Y Flow capacity detecting and verifying device of water separators |
| 01/26/2010 | US7653503 Temperature-compensating sensor system |
| 01/26/2010 | US7650775 Unidirectional captive displacement prover |
| 01/21/2010 | WO2010007212A1 Characterization method and kit for carrying out the method |
| 01/21/2010 | WO2010006897A1 Method for checking a measuring device |
| 01/21/2010 | WO2010006896A1 Device for determining and/or monitoring a process variable and method for testing a device |
| 01/21/2010 | WO2009140063A3 Method and apparatus for real-time calibration of a liquid storage tank level gauge |
| 01/21/2010 | DE102008033336A1 Verfahren zur Überprüfung eines Messgerätes Method for checking a measuring device |
| 01/21/2010 | DE102008032887A1 Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße und Verfahren zur Prüfung einer Vorrichtung Apparatus for determining and / or monitoring a process variable and method for testing a device |
| 01/21/2010 | CA2731030A1 Characterization method and kit for carrying out the method |
| 01/20/2010 | EP2145161A1 Magnetic flowmeter output verification |
| 01/20/2010 | CN201387355Y Detection device for automobile air-flow meter |
| 01/14/2010 | US20100008794 Device and Method Employing Shape Memory Alloy |
| 01/14/2010 | US20100008780 Marine propeller pitch adjustment means |
| 01/14/2010 | DE102008031249A1 Pressure sensor calibrating method for washing machine, involves changing liquid level in container over pre-determined time period, and measuring value marginally between phases, where value is equated with highest liquid level below drum |
| 01/14/2010 | DE10125355B4 Verfahren und Vorrichtung zum Ermitteln des Füllstands in einem Kraftstoffvorratsbehälter Method and apparatus for determining the filling level in a fuel tank |
| 01/13/2010 | CN201382804Y Automatic meter clamping mechanism for detecting gas meter |
| 01/13/2010 | CN100580391C Weighting type calibration method of electromagnetic flowmeter |
| 01/13/2010 | CN100580390C Tester for float level meter |
| 01/07/2010 | WO2009134890A3 Apparatus and method for proving at low temperatures |
| 01/07/2010 | US20100004889 Multi-gas flow sensor with gas specific calibration capability |
| 01/07/2010 | DE102006026890B4 Thermischer Flusssensor Thermal flow sensor |
| 01/06/2010 | EP2140235A1 Method and apparatus for measuring blood volume |
| 01/06/2010 | CN201378071Y Water injection device of standard metal tank group |
| 01/06/2010 | CN100578166C Magnetic flowmeter with built-in simulator |
| 01/05/2010 | US7643947 System and method for flow profile calibration correction for ultrasonic flowmeters |
| 01/05/2010 | US7640787 Pipette verification device and pipette |
| 12/31/2009 | US20090325386 Process and System For Varying the Exposure to a Chemical Ambient in a Process Chamber |
| 12/31/2009 | US20090320552 Parallel flow meter device for measuring flow rate in pipes |