| Patents for G01F 25 - Testing or calibrating of apparatus for measuring volume, volume flow, or liquid level, or for metering by volume (5,338) |
|---|
| 11/14/2013 | US20130304411 Systems and methods to initiate a verification test within a flow meter via a flow computer |
| 11/14/2013 | US20130298635 Techniques for Distributed Acoustic Sensing |
| 11/14/2013 | DE102012207732A1 Method for determining ultrasonic velocity of liquid contained in fuel tank that is utilized for operating vehicle, involves computing ultrasound velocity based on measured running time and calibrated distance of reference point |
| 11/13/2013 | CN203287085U Rapid detection device for pinhole throttler |
| 11/13/2013 | CN203287084U Calibration devices for fiber bragg grating water and soil interface sensing probe |
| 11/13/2013 | CN203287083U Water meter automatic calibration tool |
| 11/13/2013 | CN203287082U Automatic meter stirring device of water meters |
| 11/13/2013 | CN203282391U Clamp for calibrating device of gas meter |
| 11/12/2013 | US8578752 Framework with stanchions for a prover |
| 11/07/2013 | WO2013165314A1 A flow meter system |
| 11/07/2013 | WO2013164456A1 Error compensation by measurement of the stc filter function |
| 11/07/2013 | US20130291620 Re-calibration of instruments |
| 11/07/2013 | US20130291619 Method and apparatus for a bidirectional meter proving system |
| 11/06/2013 | EP2660570A2 Custody transfer system and method for gas fuel |
| 11/06/2013 | CN203274864U Oil flow detection device based on white oil medium |
| 11/06/2013 | CN203274863U High-pressure natural gas flowmeter calibrating device |
| 11/06/2013 | CN203274862U Radar liquid-level-gauge on-line calibrating device |
| 11/06/2013 | CN103383278A Flowmeter and control method thereof |
| 11/06/2013 | CN102721452B Online calibrating device for high-temperature liquid metal flow |
| 11/06/2013 | CN102680059B Method for reducing small-flow calibration error of test bed flow meter of hydraulic machine model |
| 11/06/2013 | CN101506629B Flow measurement diagnostics |
| 11/05/2013 | US8573027 Methods and devices for determination of flow reservoir volume |
| 10/31/2013 | WO2013162453A1 A liquid level measurement apparatus, arrangement and method using bubble measurement |
| 10/31/2013 | WO2013162397A1 Device and method for calibrating an x-ray based multiphase flow meter |
| 10/31/2013 | WO2013160225A1 Variable-volume dispenser for accurately dispensing of an adjusted amount of liquid |
| 10/30/2013 | EP2657661A1 Variable-volume dispenser for accurately dispensing of an adjusted amount of liquid |
| 10/30/2013 | CN203259227U Water temperature overload test device |
| 10/30/2013 | CN203259226U Flow detection mechanism applicable to water meter checking apparatus |
| 10/30/2013 | CN203259225U Flow detecting system |
| 10/30/2013 | CN103376136A Electromagnetic flowmeter and self-diagnosing method of exciting circuit unit thereof |
| 10/30/2013 | CN102494742B Method for on-line calibration of large-caliber flow meter |
| 10/30/2013 | CN101672669B System and method for gas flow velocity verification |
| 10/24/2013 | DE10149292B4 Verfahren zum Kalibrieren eines Massenstromsensors A method for calibrating a mass flow sensor |
| 10/23/2013 | EP2653841A1 Gas meter apparatus |
| 10/23/2013 | CN203249679U Oil tank truck capacity automatic detection device |
| 10/23/2013 | CN203249678U Enclosing airway structure of automobile air flow meter online detecting system |
| 10/23/2013 | CN103364056A Scaling buoy of three-antenna multi-mode GNSS (Global Navigation Satellite System) satellite height gauge |
| 10/23/2013 | CN103364055A Automatic correcting method and device for flow meter impulse |
| 10/22/2013 | US8566042 Direct contact force measurement system |
| 10/22/2013 | CA2555546C A method for eliminating reading errors in a non-contact microwave solids flow meter |
| 10/17/2013 | US20130269414 Method and apparatus for orienting a measuring device |
| 10/16/2013 | EP2650657A2 System for measuring fuel consumption of an engine and method for controlling such a system |
| 10/16/2013 | EP2649418A1 Method for in-situ calibrating a differential pressure plus sonar flow meter system using dry gas conditions |
| 10/16/2013 | CN203241117U Novel volume tube spherical displacer extractor |
| 10/16/2013 | CN101529216B Multiple flow conduit flow meter |
| 10/15/2013 | US8555697 Method and apparatus for forming the calibration chart for the underground fuel tanks |
| 10/10/2013 | US20130263640 Method for correlating a monitoring device to the end of service life of a filter cartridge |
| 10/09/2013 | CN103344310A Gas meter state detection device |
| 10/09/2013 | CN103344309A Electrically-driven symmetric plunger gas micro flow standard device |
| 10/08/2013 | US8554505 System and method for calibrating and monitoring the condition of a sensor device |
| 10/08/2013 | CA2448700C Discrete level measurement device with automatic threshold setting |
| 10/03/2013 | WO2013143794A1 Device for monitoring a predetermined filling level |
| 10/02/2013 | CN203224284U Novel hydraulic machine test bed in-situ calibration device |
| 10/02/2013 | CN203224283U Liquid flow field calibration device |
| 10/02/2013 | CN203224282U Clamping device used for detection of gas meter |
| 10/02/2013 | CN203224281U Clamping device which has pre-pressing function and is used for gas meter detection |
| 10/02/2013 | CN203224280U Calibration device of gas flow-meter |
| 10/02/2013 | CN103335693A Oil machine calibrating device using mass method |
| 10/02/2013 | CN102224398B System and method for filling level determination |
| 10/01/2013 | CA2683160C Liquid level sensor |
| 09/26/2013 | US20130253873 Calibration of flowmeters |
| 09/26/2013 | US20130253872 Flow meter calibration system |
| 09/26/2013 | DE102013205003A1 Eichung von Durchflussmessgeräten Calibration of flow meters |
| 09/25/2013 | CN203216575U Automatic detection device using water meter measuring characteristics of visual device |
| 09/25/2013 | CN203216574U Locator for on-site Z-method detection of portable ultrasonic flowmeter |
| 09/25/2013 | CN103328936A Mass flow controller with onboard diagnostics, prognostics, and data logging |
| 09/25/2013 | CN103323081A Air flowmeter experiment table |
| 09/25/2013 | CN103323080A Calibration device for series-connection water meters |
| 09/25/2013 | CN102680056B Calibration stage and automatic calibration method thereof for high-precision water meters in series connection |
| 09/25/2013 | CN102062629B Double-tank weighing method for gas flow standard device by mass-time method |
| 09/19/2013 | WO2013135405A1 Device for determining a gas mass flow rate, and method for re-calibrating such a device |
| 09/19/2013 | US20130245980 Method and apparatus for intelligent airflow sensors |
| 09/18/2013 | CN203203667U Flow meter calibrated on line |
| 09/18/2013 | CN203203666U Metering verification and calibration device |
| 09/18/2013 | CN203203665U Comparison tester for bidirectional airflow and reaction speed of automotive flowmeter |
| 09/18/2013 | CN103314278A Electromagnetic flow meter |
| 09/18/2013 | CN103308126A Quick detection device for aperture restrictor, and detection method thereof |
| 09/18/2013 | CN103308125A Pipeline flowing stabilization control method |
| 09/18/2013 | CN103308124A Calibration device and calibration method of fiber bragg grating water-soil boundary sensing probe |
| 09/18/2013 | CN103308123A Connection method for collecting impulse of secondary instrument |
| 09/18/2013 | CN103308122A Pressurized interface device with spiral bourdon tube |
| 09/18/2013 | CN102288265B Time difference detecting device of dual-channel ultrasonic flow meter |
| 09/18/2013 | CN102165289B Method for producing a capacitive measuring device |
| 09/18/2013 | CN101937043B Flowmeter and method for detecting cable faults in cable line of flowmeter |
| 09/12/2013 | WO2013134150A1 System and method for improving the accuracy of a rate of decay measurement for real time correction in a mass flow controller or mass flow meter by using a thermal model to minimize thermally induced error in the rod measurement |
| 09/12/2013 | WO2013134148A1 System and method for using a rate of decay measurement for real time measurement and correction of zero offset and zero drift of a mass flow controller or mass flow meter |
| 09/12/2013 | WO2013134147A1 System and method for providing a self validating mass flow controller and mass flow meter |
| 09/12/2013 | WO2013134144A1 System and method for providing a self validating mass flow controller or a mass flow meter utilizing a software protocol |
| 09/12/2013 | US20130233047 Liquid consumption device and liquid residual determination method |
| 09/11/2013 | CN203191038U Movable type gas flow measurement standard device and gas flow measurement closed-loop type system |
| 09/11/2013 | CN203191037U Multi-gauge-position gauge clamping device |
| 09/11/2013 | CN103292878A Calibrating device for high-pressure natural gas flow meter |
| 09/11/2013 | CN103292877A On-line testing method and device for throw-in type liquid level transmitter |
| 09/11/2013 | CN103292876A Water meter adjusting device |
| 09/11/2013 | CN103292875A Reverser and liquid flow calibration system with reverser |
| 09/11/2013 | CN103292874A Method and device for online verification and realtime self-calibration of radar liquid level meter |
| 09/11/2013 | CN103292873A Water taking metering and calibrating method |
| 09/11/2013 | CN103292872A Performance detecting system of air quality flowmeter |
| 09/11/2013 | CN103292869A Floater liquid level sensor with short circuit detecting function and detection method thereof |
| 09/11/2013 | CN103292865A Method for monitoring and method for operating a fill level sensor system using the radar principle and a corresponding fill level sensor |