| 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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| 01/03/2013 | US20130000418 Startup and operational techniques for a digital flowmeter |
| 01/03/2013 | US20130000379 Hydraulic brake caliper piston insertion force gauge tool |
| 01/03/2013 | CA2837874A1 Vibratory flow meter and zero check method |
| 01/02/2013 | CN202648763U Alarm device for flowmeter bypass device |
| 01/02/2013 | CN202648762U Test device for liquid level sensors of LNG (liquefied natural gas) ship and large container ship |
| 01/02/2013 | CN202648761U Water-meter calibration table water-flow measuring instrument |
| 01/02/2013 | CN202648760U Water meter series connection verifying platform |
| 01/02/2013 | CN202648726U Intelligent water meter electronic sampling movement structure |
| 01/02/2013 | CN102853882A System and method for carrying out detection compensation on coal gas flow rate of lime kiln |
| 01/02/2013 | CN102435267B Demarcating method of photoelectric direct-reading intelligent water meter |
| 01/02/2013 | CN101819056B Instrument electronic device for checking and diagnosing flow meter and method |
| 01/01/2013 | US8345924 Electronic device and method for monitoring water level |
| 01/01/2013 | US8343093 Fluid delivery device with autocalibration |
| 12/27/2012 | WO2012175493A1 Method for determining the flow rate of fluids using the ultrasonic transit-time method |
| 12/26/2012 | EP2538194A1 Fluid Leak Detection System |
| 12/26/2012 | CN202631066U Modified CNG (Compressed Natural Gas) calibrating device |
| 12/26/2012 | CN202631065U Transmission time calibration system for time difference method ultrasonic flowmeter |
| 12/26/2012 | CN202631064U Laser light fast calibrating device |
| 12/26/2012 | CN202631063U Laser alignment correcting device |
| 12/26/2012 | CN102840898A Volume correcting instrument indication error calibration standard device and using method |
| 12/26/2012 | CN101784870B Noise diagnosis of operating conditions for an electromagnetic flowmeter |
| 12/20/2012 | DE102011100029B4 Vorrichtung zum Messen eines Kraftstoffflusses und Kalibriervorrichtung dafür A device for measuring fuel flow and calibration for |
| 12/19/2012 | EP2535688A2 Method for generating a diagnostic from a deviation of a flow meter parameter |
| 12/19/2012 | CN202614339U Monitoring system for flow state data of gas gauge flow meters |
| 12/19/2012 | CN202614338U Water meter adjustment device |
| 12/19/2012 | CN202614337U Coriolis mass flow meter field measurement system |
| 12/19/2012 | CN202614336U Large-caliber fast calibrating device with multi-meters in serial connection |
| 12/19/2012 | CN102829847A Online detection device of thermal gas mass flowmeter |
| 12/19/2012 | CN102829846A Equipment and method for testing sensitivity of movement of dry-type water meter |
| 12/19/2012 | CN102829799A Wave/tidal test verification system device and application thereof |
| 12/12/2012 | CN202599489U Testing device of gas-liquid separator |
| 12/12/2012 | CN202599488U Variable-diameter flow meter mounting station |
| 12/12/2012 | CN202599487U Weighing structure for mass-method liquid flow calibration facility |
| 12/12/2012 | CN202599486U Water meter check table flow check meter |
| 12/12/2012 | CN202599485U A novel flow mass detection device |
| 12/12/2012 | CN202599459U Electronic intelligent water meter |
| 12/12/2012 | CN202599457U Wet type gas flow meter applied to gas meter calibrating device |
| 12/12/2012 | CN202599450U On-line paper pulp flow measuring device |
| 12/12/2012 | CN102435264B Self-calibration method and system for magnetostriction liquid level sensor |
| 12/12/2012 | CN101688798B Magnetic flowmeter output verification |
| 12/11/2012 | CA2506309C Distribution valve monitor and distribution valve incorporating same |
| 12/06/2012 | US20120304732 Method and Device for Testing a Capacitively Operating Measuring Device, Which Is Designed for the Detection of Phase Boundaries, and Correspondingly Equipped Laboratory Apparatus |
| 12/06/2012 | US20120304731 Flow meter and use thereof for determining a flow of a medium, as well as a method therefor |
| 12/06/2012 | DE102011076705A1 Prism support for circular-cylindrical tube, in flow meter calibration system, has support frame comprising alignment device for alignment of support frame in axis of Cartesian coordinate system |
| 12/05/2012 | EP2530440A1 Method and device for testing a capacitative measuring device for detecting phase boundaries |
| 12/05/2012 | CN202582680U Electromechanical conversion error test device for intelligent water meter |
| 12/05/2012 | CN202582679U Automatic clamper of gas calibration system |
| 12/05/2012 | CN202582678U Rotary automatic reducing device for water calibration |
| 12/05/2012 | CN202582677U Manual lifting spiral locator |
| 12/05/2012 | CN202582676U Detection device of vortex street flowmeter |
| 12/05/2012 | CN202582675U Automatic water level gauge detector |
| 12/05/2012 | CN202582674U Detection device for M-BUS photoelectric direct reading meter |
| 12/05/2012 | CN202582673U Liquid level simulating device and debugging system used for debugging of blowing type liquid level measuring device |
| 12/05/2012 | CN102812281A Method for precisely and reliably controlling liquid level of pressure tank with multiple sensors |
| 12/05/2012 | CN102809410A Novel vacuum insulation standard metal tank |
| 12/05/2012 | CN102809409A System and method for detecting failures of mass airflow sensors in a parallel intake engine |
| 12/05/2012 | CN102353430B Pressure overflow type pressure/flow stabilizing system and method |
| 11/30/2012 | CA2777973A1 Valve meter assembly and method |
| 11/28/2012 | CN202562580U Water volume signal generator |
| 11/28/2012 | CN202562579U Device for water meter flow disturbance test |
| 11/28/2012 | CN202562578U Liquefied petroleum gas (LPG) on-site verification device |
| 11/28/2012 | CN102798444A High-pressure water injection meter detecting device |
| 11/28/2012 | CN102798443A Small-bore high-pressure water injection meter detecting device for oil recovery and gas recovery in oil field |
| 11/28/2012 | CN102798442A Novel standard metal measuring vessel with double-layer structure and internally-clamped heat insulation layer for testing oiling machine |
| 11/28/2012 | CN102798441A Mass flow controller monitoring method |
| 11/27/2012 | CA2535163C A method and apparatus for correcting output information of flow measurement apparatus |
| 11/22/2012 | US20120291519 Method for adjusting flow measuring device |
| 11/22/2012 | US20120291518 Systems and Methods for Remote Testing of a Flow Switch |
| 11/22/2012 | CA2836546A1 Systems and methods for remote testing of a flow switch |
| 11/21/2012 | CN202547740U Handheld debugger of electromagnetic flowmeter |
| 11/21/2012 | CN202547739U Movable gas meter detection device |
| 11/21/2012 | CN202547738U Automatic high-performance flow calibration system |
| 11/21/2012 | CN202547737U Online power plant feedwater flow calibration device based on heat balance |
| 11/21/2012 | CN202547680U Real flow calibration device for optical fiber flow-moisture content sensor |
| 11/21/2012 | CN102393237B Water meter calibrating device and method for water meter calibration |
| 11/21/2012 | CN102393236B Meter coefficient self-correcting method of gas turbine flowmeter |
| 11/21/2012 | CN102200465B Method and system for detecting fault of fuel level sensor |
| 11/21/2012 | CN101802565B Universal transmitter for magnetic flow measurement |
| 11/20/2012 | CA2575836C System and method for verifying installation of a tank level monitor |
| 11/20/2012 | CA2547348C Flow meter type identification |
| 11/14/2012 | CN202533156U Impurity removing device of liquid level sensor |
| 11/13/2012 | US8307692 Calibration of dust load flow measuring systems |
| 11/07/2012 | CN202522297U Performance test equipment for bottled liquefied petroleum gas pressure regulator |
| 11/07/2012 | CN202522296U Gas meter temperature test device |
| 11/07/2012 | CN202522295U System for calibrating turbine flow meter under condition of large flow of low-temperature medium |
| 11/07/2012 | CN102768059A On-line checking method of cold side air quantity of heat radiator test table |
| 11/07/2012 | CN102141426B Fluid reversing device and reversing and timing method |
| 11/07/2012 | CN101529214B Method and system for providing a linear signal from a mass airflow and/or liquid flow transducer |
| 11/06/2012 | US8306307 Component assembly inspection method and component assembly inspection apparatus |
| 11/01/2012 | WO2012147413A1 Water level measuring device |
| 11/01/2012 | WO2012146336A1 Device for measuring a fuel flow and calibrating device therefor |
| 11/01/2012 | US20120272710 Method and a device for real time monitoring of a system for measuring a fuel flow rate |
| 10/31/2012 | DE102011100029A1 Vorrichtung zum Messen eines Kraftstoffflusses und Kalibriervorrichtung dafür A device for measuring fuel flow and calibration for |
| 10/31/2012 | CN202511852U Water meter small flow automatic checkout device |
| 10/31/2012 | CN202511851U Automatic detection device for large flow of water meter |
| 10/31/2012 | CN102762960A Vibratory flowmeter friction compensation |
| 10/26/2012 | WO2012144945A1 Method and device for determining the dosed reducing agent volume in an scr system |
| 10/24/2012 | CN202501952U Portable multifunctional vacuum calibrating device |
| 10/24/2012 | CN202501910U Calibrating device for heavy caliber gas flow |
| 10/24/2012 | CN202501909U Failure self-checking device of solar water level monitoring equipment |