| 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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| 02/17/2011 | CA2769485A1 Method and apparatus for determining and compensating for a change in a differential zero offset of a vibrating flow meter |
| 02/16/2011 | EP2283331A1 Improved configuration of a multivariable process fluid flow device |
| 02/16/2011 | EP2283329A1 Method for generating a diagnostic from a deviation of a flow meter parameter |
| 02/16/2011 | EP2283325A1 Electromagnetic flowmeter and method with full pipe detection by the help of third electrode |
| 02/16/2011 | CN201748959U Pressure nozzle used for gas meter detection device |
| 02/16/2011 | CN101978245A High accuracy mass flow verifier with multiple inlets |
| 02/16/2011 | CN101331388B Level measuring arrangement with a safety cut-out at high temperatures |
| 02/10/2011 | WO2011017499A2 Chemical dispensing systems and positive displacement flow meters therefor |
| 02/10/2011 | US20110031272 Chemical dispensing systems and positive displacement flow meters therefor |
| 02/09/2011 | EP2282182A1 Method for producing a correspondence table for a liquid-level meter in a tank |
| 02/09/2011 | CN201740573U Novel flow calibrating device adopting mass method |
| 02/09/2011 | CN101968371A Spiral tube micrometer element and micrometer device containing same |
| 02/03/2011 | WO2011012110A1 Device and method for determining a physical quantity of a capacitive proximity switch |
| 02/03/2011 | US20110029268 Methods for delivering a process gas |
| 02/03/2011 | US20110029259 Method for generating a diagnostic from a deviation of a flow meter parameter |
| 02/03/2011 | US20110029258 Pressure measurement for flow metering device |
| 02/03/2011 | DE102009042869A1 Method for checking correct function of level indicator e.g. ultrasonic-transducer, involves determining characteristic of reflection profile, and providing warning message during deviation of characteristic of profile over preset measure |
| 02/02/2011 | CN201731959U Thermal shock simulation test system of water temperature and level sensor for solar water heaters |
| 02/02/2011 | CN201731924U Novel system for proving flowmeter by standard meter method and vehicle-mounted gas flow standard device |
| 02/02/2011 | CN201731923U Flow calibrator |
| 02/01/2011 | US7881886 Methods for performing transient flow prediction and verification using discharge coefficients |
| 02/01/2011 | US7881828 Bus module for connecting electrically triggered fluidic valves |
| 01/27/2011 | US20110016984 Multiphase Coriolis Flowmeter |
| 01/26/2011 | EP2277019A2 Apparatus and method for proving at low temperatures |
| 01/26/2011 | EP2277018A1 Radar level gauge system using a waveguiding structure with periodically arranged reference impedance transitions |
| 01/26/2011 | CN101278174B Computation electron device and method for determining one or more stiffness coefficient or quality coefficient |
| 01/25/2011 | US7877220 Flowmeter |
| 01/25/2011 | US7874197 Measuring liquid flow rate from a nozzle |
| 01/25/2011 | US7874195 Liquid proving system |
| 01/20/2011 | US20110013184 Optical Method for Determination of the Total Suspended Solids in Jet Fuel |
| 01/19/2011 | EP2274584A2 Method and apparatus for real-time calibration of a liquid storage tank level gauge |
| 01/19/2011 | EP2274582A1 Measuring apparatus and method for monitoring a measuring apparatus |
| 01/19/2011 | CN201716087U Automatic test system of perfuming, feeding precision and flowmeter precision |
| 01/19/2011 | CN101571417B Calibration method of flowmeter |
| 01/13/2011 | US20110010070 Fuel indicator method |
| 01/12/2011 | EP2271923A1 Sonic detection of flow state change for measurement stations |
| 01/12/2011 | CN201707114U High-precision rapid pulse metering device |
| 01/12/2011 | CN201707113U Bidirectional ball type volume pipe receiving and delivering ball device |
| 01/12/2011 | CN101946165A A system, method, and computer program product for detecting a process disturbance in a vibrating flow device |
| 01/12/2011 | CN101943596A Calibrating device and calibrating method of automobile air mass flow meter |
| 01/11/2011 | US7868774 Oil leakage detector |
| 01/06/2011 | WO2010132328A3 System to detect poor process ground connections within an electromagnetic flowmeter |
| 01/06/2011 | US20110000276 Method for checking the state of a pipette, pipetting method, pipetting device, and suction tube for a pipetting device |
| 01/05/2011 | EP2269025A2 System and method for liquid delivery evaluation using solutions with multiple light absorbance spectral features |
| 01/05/2011 | EP2269013A1 Method of determining a disturbance echo profile for a radar level gauge system |
| 01/05/2011 | EP1751506B1 Test apparatus for a waveguide sensing level in a container |
| 01/05/2011 | EP1521907B1 Method for checking the operability of an ambient pressure sensor of an internal combustion engine |
| 01/05/2011 | DE102009030903A1 Verfahren zum Betreiben eines Massedurchflussmessgeräts und Massedurchflussmessgerät Method for operating a mass flow meter and mass flow meter |
| 01/05/2011 | DE102008023024B4 Vorrichtung zum Prüfen von Flüssigkeitsvolumenmessern und Flüssigkeitsdurchflussmessgeräten A device for testing liquid volume diameters and fluid flow meters |
| 01/05/2011 | CN201697700U Flow calibrating device |
| 01/05/2011 | CN201697699U Pneumatic commutator for flow detection |
| 01/05/2011 | CN101937043A Flowmeter and method for detecting cable faults in cable line of flowmeter |
| 01/05/2011 | CN101532854B Detecting device for swirl flowmeter |
| 01/05/2011 | CN101424560B Plastic water meter case and plastic water meter detecting support |
| 12/29/2010 | EP2267418A1 Method for setting up and operating a mass flow measuring device and mass flow measuring device taking account of temperature influences |
| 12/29/2010 | CN201688896U Multi-path detecting system |
| 12/29/2010 | CN101929882A Debugging method of dry-quenching automatic meter system |
| 12/22/2010 | CN201680884U Full interception device |
| 12/22/2010 | CN201680883U Novel double-timing-method counter |
| 12/22/2010 | CN101305268B In-line measuring device |
| 12/21/2010 | US7856335 Device, method, and system for calibration of a flow meter used in conjunction with a ventricular assist device |
| 12/16/2010 | DE102009026893A1 Method for determining state of measuring medium by measuring signals, involves recording measuring signals during learning phase, where each measuring signal is correlated with itself |
| 12/15/2010 | EP1668321B1 Diagnostic apparatus and methods for a coriolis flow meter |
| 12/15/2010 | CN101387539B Weighing ore groove level meter demarcating apparatus |
| 12/15/2010 | CN101185042B Fluid delivery device with autocalibration |
| 12/14/2010 | US7853415 Multi-measurement vortex flowmeter |
| 12/14/2010 | US7850918 Array of sample chambers having a calibrated volume, containing a material sample during a gas sorption test; pressure transducer coupled to a manifold; a selecting valve, dosing gas reservoir with an isolation valve to fluidly couple and decouple the dosing gas reservoir to and from the manifold |
| 12/09/2010 | WO2010108805A3 Magnetic-inductive flow measurement device and method for operation thereof |
| 12/09/2010 | US20100312177 Fluid Delivery Device With Autocalibration |
| 12/09/2010 | US20100307220 Flowmeter calibration techniques |
| 12/09/2010 | US20100307219 Method to calibrate a flow balance valve on a windrower draper header |
| 12/09/2010 | DE102009021454A1 Verfahren zum Diagnostizieren der Funktionsfähigkeit eines Füllstandsgebers A method for diagnosing the operability of a level sensor |
| 12/08/2010 | EP2259028A2 Electromagnetic Flow Meter |
| 12/08/2010 | EP2257776A1 A system, method, and computer program product for detecting a process disturbance in a vibrating flow device |
| 12/08/2010 | CN101907479A Fine adjustment mechanism for crank of diaphragm gas meter |
| 12/02/2010 | WO2010136959A1 Level sensor and associated control circuit, in particular for a filter for vehicles |
| 12/02/2010 | CA2762850A1 Level sensor and associated control circuit, in particular for a filter for vehicles |
| 12/01/2010 | EP2255166A1 High accuracy mass flow verifier with multiple inlets |
| 12/01/2010 | EP2254618A2 Device, method, and system for calibration of a flow meter used in conjunction with a ventricular assist device |
| 12/01/2010 | CN201662423U Radio frequency identification weekly checking management system of industrial fuel gas meter |
| 12/01/2010 | CN101666670B Gas flow calibration device based on standard plunger piston |
| 11/30/2010 | US7843355 Fluid-gauging systems |
| 11/24/2010 | CN201653647U Synthetic test stand |
| 11/24/2010 | CN201653506U Measuring device for measuring sensitivity and directionality of ultrasonic probe |
| 11/24/2010 | CN201653505U Vehicle installing and calibrating device |
| 11/24/2010 | CN201653504U Bracket for detection of target type flow meter |
| 11/24/2010 | CN201653503U Target flowmeter checking table |
| 11/17/2010 | EP2251656A1 Method for diagnosing the functionality of a fill level indicator |
| 11/17/2010 | EP2250471A2 Flow meter proving method and system |
| 11/11/2010 | US20100286931 system, method and computer program for determining fluid flow rate using a pressure sensor and a thermal mass flow sensor |
| 11/11/2010 | DE102009002941A1 Verfahren zum Detektieren einer Verstopfung in einem Coriolis-Durchflussmessgerät A method for detecting a blockage in a Coriolis flowmeter |
| 11/10/2010 | CN201628569U High-pressure back-blowing bell-type gas flow standard apparatus |
| 11/09/2010 | US7831400 Diagnostic apparatus and methods for a coriolis flow meter |
| 11/07/2010 | CA2702144A1 Digital multi range liquid level detector |
| 11/04/2010 | WO2010124732A1 Method for testing metered-dose-ejection devices and apparatus thereof |
| 11/03/2010 | CN201622100U Commutator in water flow standard device |
| 11/03/2010 | CN101561309B Online measurement device and measurement method thereof for pipeline flux instrument |
| 11/03/2010 | CN101545820B Comprehensive test-bed |
| 11/03/2010 | CN101268340B Meter electronics and methods for verification diagnostics for a flow meter |
| 11/02/2010 | US7826309 Filling level measurement device and filling level measurement and monitoring method |