| 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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| 07/10/2013 | EP2613126A2 Custody transfer system and method for gas fuel |
| 07/10/2013 | CN203053660U Gas meter diaphragm leak detection device |
| 07/10/2013 | CN103196525A Liquid level detecting method for liquefied natural gas in storage tank |
| 07/10/2013 | CN103196524A Liquid level detecting method for LNG (liquefied natural gas) |
| 07/10/2013 | CN103196523A Steam turbine performance test standard flow calibration method based on auxiliary flow measurement |
| 07/10/2013 | CN103196522A Flowmeter in-situ calibration verification system |
| 07/10/2013 | CN103196479A Actual flow calibration device for optical fiber flow sensor and optical fiber moisture content sensor, and actual flow calibration method |
| 07/10/2013 | CN102140371B Pulverized coal gasification device capable of measuring feeding quantity and performing on-line calibration of solid mass flow meter and on-line calibration method thereof |
| 07/10/2013 | CN101809421B Liquid level measurement device and method |
| 07/10/2013 | CN101636641B Controller gain scheduling for mass flow controllers |
| 07/09/2013 | US8483979 Startup and operational techniques for a digital flowmeter |
| 07/09/2013 | US8479583 Quasi-static bend sensor using electro-active materials |
| 07/09/2013 | CA2716489C Method and system of determining forthcoming failure of transducers |
| 07/04/2013 | US20130167613 Devices and Systems for Liquid Level Detection in Hematology Instruments, and Methods Related Thereto |
| 07/04/2013 | DE102004003046B4 Kalibriereinrichtung für einen Wasserzähler Calibration device for a water meter |
| 07/03/2013 | CN203037324U Annular chamber positive pressure flow detection device |
| 07/03/2013 | CN103185630A System and method for checking sensor in breathing machine |
| 07/03/2013 | CN103185629A Test device and test method for meter outfit of photoelectric water meter |
| 07/03/2013 | CN103185628A Test device and test method for photoelectric module of photoelectric water meter |
| 07/02/2013 | CA2444188C Improvements in fluid measurements in a reaction vessel used in conjunction with a clinical analyzer |
| 06/27/2013 | WO2013093328A1 Method and calibration installation of a sensor for measuring data representative of the flow speed of a fluid stream |
| 06/27/2013 | WO2013092245A1 Method of in line verification of a flow meter |
| 06/27/2013 | DE102011089427A1 Method for alignment of measuring device for measuring filling material level in container, involves determining ratio of propagation velocities based on ratio of amplitude of reflected signal components to total reflection amplitude |
| 06/27/2013 | DE102009030903B4 Verfahren zum Betreiben eines Massedurchflussmessgeräts und Massedurchflussmessgerät Method for operating a mass flow meter and mass flow meter |
| 06/26/2013 | EP2607864A1 Method of in line verification of a flow meter |
| 06/26/2013 | CN203024842U Movable type natural gas measurement standard device |
| 06/26/2013 | CN103175591A Hand-automatic liquid level meter detection device |
| 06/26/2013 | CN103175590A Detection method for photoelectric direct reading water meter |
| 06/26/2013 | CN103175589A Measuring meter calibration device and method |
| 06/26/2013 | CN103175588A Full-automatic series verification calibrating device with pressure-resistant water meter |
| 06/20/2013 | WO2013087802A1 Filling level sensor in a fuel tank of a motor vehicle, production method for such a filling level sensor, and method for operating such a filling level sensor |
| 06/20/2013 | WO2013087389A1 Apparatus for determining and/or monitoring at least one process variable |
| 06/20/2013 | US20130152972 Self-flushing small volume prover apparatus, method and system |
| 06/20/2013 | DE102011088816A1 Füllstandsgeber in einem Kraftstoffbehälter eines Kraftfahrzeugs, Herstellverfahren für einen solchen Füllstandsgeber und Verfahren zum Betreiben eines solchen Füllstandsgebers Level sensor in a fuel tank of a motor vehicle, manufacturing method for such a fuel level sensor and method for operating such a level sensor |
| 06/19/2013 | CN203011498U Device used for detecting accuracy of pipettor |
| 06/19/2013 | CN203011497U Multi-piston array type gas flow calibration device |
| 06/19/2013 | CN203011496U Vortex street flow detection experiment device |
| 06/19/2013 | CN203011495U Movable fixed-quantity water meter detector |
| 06/19/2013 | CN203011494U Pneumatic liquid adding verification device for float type liquid level sensor |
| 06/19/2013 | CN203011493U Throw-in type static liquid level transducer calibration device |
| 06/19/2013 | CN103168214A Sensor assembly validation |
| 06/19/2013 | CN103162773A Automatic calibrating device of fuel dispenser |
| 06/19/2013 | CN103162772A Fuel oiling machine detection method based on color card |
| 06/19/2013 | CN103162771A Calibration method of fluid metering device |
| 06/19/2013 | CN102466500B Device and method for detecting and determining output pulses of pulse type vortex shedding flowmeter |
| 06/19/2013 | CN102047082B Method of determining a disturbance echo profile for a radar level gauge system |
| 06/19/2013 | CN101650212B Method for evaluating accuracy of flow measuring data by current meter method |
| 06/19/2013 | CN101501457B Three pickoff sensor flow meter |
| 06/13/2013 | WO2013083187A1 Calibration procedure for fluidic sensors |
| 06/13/2013 | US20130145817 Torsional flow sensor |
| 06/13/2013 | US20130145816 Calibration Procedure Considering Gas Solubility |
| 06/12/2013 | EP2601489A1 Coriolis mass flowmeter and method for operating a coriolis mass flowmeter |
| 06/12/2013 | EP2601484A1 Flow meter system and method for measuring an amount of liquid in a largely gaseous multiphase flow |
| 06/12/2013 | CN202995486U Opening and closing cycle voltage stabilization device |
| 06/12/2013 | CN202994256U Comprehensive performance test device for ultrasound water flow transducer |
| 06/12/2013 | CN202994255U Oil level gauge and fuel oil sensor testing device |
| 06/12/2013 | CN202994237U Fixing device for bottom end of contact type liquid level sensor |
| 06/12/2013 | CN202994222U Magnetic flowmeter for measuring flow of process fluid |
| 06/12/2013 | CN103149525A Water meter circuit board ageing rack |
| 06/12/2013 | CN101720420B Measuring system for a medium flowing in a process line |
| 06/11/2013 | US8463446 Operating method for a cooling section having centralized detection of valve characteristics and objects corresponding thereto |
| 06/11/2013 | CA2649466C Method for ascertaining and monitoring fill level of a medium in a container |
| 06/06/2013 | WO2013079260A1 System comprising an operating device and a field device, and method for communicating with a field device |
| 06/05/2013 | EP2598684A2 Apparatus, method and system for calibrating a liquid dispensing system |
| 06/05/2013 | CN202974416U Electronic balance etalon device of mass-method liquid flow standard apparatus |
| 06/05/2013 | CN202974395U Rapid water meter regulator |
| 06/05/2013 | CN202974394U Fuel sensor liquid level standardization detector |
| 06/05/2013 | CN202974393U Multi-plunger parallel connection type standard device for liquid micro flow |
| 06/05/2013 | CN103138561A Power supply circuit for electronic water meter aging |
| 06/05/2013 | CN103134572A Calibration method of fuel dispenser |
| 06/05/2013 | CN103134571A Water meter automatic verification technology based on dynamic video image processing and pattern recognition algorithm |
| 06/05/2013 | CN103134570A Method for authenticating steam output and consumption in iron and steel enterprises |
| 06/05/2013 | CN102401685B Method and device for carrying out online verification/calibration on open channel flowmeter |
| 06/05/2013 | CN101796378B Mass flow verifiers capable of providing different volumes, and related methods |
| 06/04/2013 | US8457905 Soot discharge estimating device for internal combustion engines |
| 06/04/2013 | US8454893 Fluid sampling system with an in-line probe |
| 05/30/2013 | WO2013076479A1 Distributed two dimensional fluid sensor |
| 05/30/2013 | CA2855349A1 Distributed two dimensional fluid sensor |
| 05/29/2013 | EP2597436A1 Method of determining a calibration time interval for a measurement device |
| 05/29/2013 | DE102012008274A1 Gasbeaufschlagungs-Vorrichtung für Gasmessgeräte, Verfahren zum Prüfen von Gas-Messgeräten sowie Kalibrierungsmessgerät zum Prüfen und Kalibrieren von Gasmessgeräten Gasbeaufschlagungs device for gas detection instruments, methods for testing gas measuring instruments and calibration instrument for testing and calibration of gas detectors |
| 05/29/2013 | CN202956174U Open/close-cycle flowmeter calibration device |
| 05/29/2013 | CN202956173U Flow meter verification device |
| 05/29/2013 | CN202956172U Diaphragm gas meter metering and monitoring system |
| 05/29/2013 | CN202956171U Pressure test device for resident user gas meter |
| 05/29/2013 | CN202956170U Online calibration standard device of standard meter method liquid flow meter |
| 05/29/2013 | CN202956159U Testing apparatus for performance test of gas-liquid separator |
| 05/28/2013 | US8452551 Method and apparatus for monitoring multiphase fluid flow |
| 05/28/2013 | US8448491 Vibratory flow meter and method for correcting for an entrained phase in a two-phase flow of a flow material |
| 05/23/2013 | WO2013072430A1 Urine production handling device and method |
| 05/23/2013 | WO2013072164A1 Method for monitoring the vibration properties of a coriolis flow meter |
| 05/23/2013 | US20130125612 Sensor assembly validation |
| 05/22/2013 | EP2594910A2 Ultrasonic type flowmeter apparatus and method of using the same |
| 05/22/2013 | EP2593762A1 Sensing and monitoring apparatus |
| 05/22/2013 | CN202947784U Novel standard metal measuring vessel for vacuum heat preservation |
| 05/22/2013 | CN103115658A Calibration device of water level measuring equipment |
| 05/21/2013 | US8443650 Temperature compensated pressure switch (TCPS) |
| 05/21/2013 | US8443649 Mass flow controller verifying system, verifying method and verifying program |
| 05/16/2013 | WO2013070537A1 Fluid dispenser calibration method |
| 05/16/2013 | WO2013068424A1 Gauging method for a plastic fuel tank of a hybrid vehicle |
| 05/16/2013 | US20130124131 Ultrasonic type flowmeter apparatus and method of using the same |