| 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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| 09/14/2011 | CN201974219U 一种小量程变送器校验装置 A small-scale transmitter calibration device |
| 09/14/2011 | CN102183897A SOC (System on Chip)-based pulse interpolation circuit |
| 09/14/2011 | CN102183284A Liquid flow standard calibration device |
| 09/14/2011 | CN102183281A Static automatic water-replenishing system for differential pressure liquid level measurement of closed container and construction method of static automatic water-replenishing system |
| 09/14/2011 | CN101819100B Durability test bed for LPG liquid level display |
| 09/07/2011 | CN102175293A System and method for adjusting accuracy of mechanical water meter |
| 09/07/2011 | CN102175292A Piston-type gas flow standard device |
| 09/07/2011 | CN101696890B Method and device for calibrating flow of gas combustibility test |
| 09/01/2011 | WO2011106336A1 Refillable container with a graduated neck extension |
| 08/31/2011 | EP2362193A1 Gauging device for liquid fuel dispenser and method implemented by using this device |
| 08/31/2011 | CN201955132U 一种流量检定装置 A flow test device |
| 08/31/2011 | CN201955131U 悬挂链式ic卡膜式燃气表功能检测设备 Hanging chain ic card diaphragm gas meter function testing equipment |
| 08/31/2011 | CN201955130U 流量标准装置表前、表后转盘式直管段装置 Before the flow standard device table after table rotary device straight pipe |
| 08/31/2011 | CN201955126U 摄像式全自动读取标准容器容积系统 Automatic camera system reads standard container volume |
| 08/31/2011 | CN102169030A Automatic detection device of forklift meter assembly |
| 08/31/2011 | CN102169006A Method for automatically calibrating water level of washing machine |
| 08/30/2011 | US8010322 Signal conditioning IC with conditioning-coefficient memory |
| 08/24/2011 | EP2359102A1 System and method for filling level determination |
| 08/24/2011 | CN201945645U Electrical aging test device for sensor |
| 08/24/2011 | CN102165289A Method for producing a capacitive measuring device |
| 08/24/2011 | CN101788323B Commutator of water flow standard device and commutation method thereof |
| 08/18/2011 | US20110197650 Methods of manufacturing and temperature calibrating a coriolis mass flow rate sensor |
| 08/18/2011 | DE102010008511A1 Liquid volume measuring device e.g. liquid flow meter, for determination of e.g. volumetric measured variable, has control device switching switch, so that measured variable is determined by summing filling volumes of containers |
| 08/18/2011 | DE102010006224A1 Verfahren zur Ermittlung einer Kenngröße für die Korrektur von Messwerten eines Coriolis-Massedurchflussmessgeräts Method for determining a parameter for the correction of measured values of a Coriolis mass flowmeter |
| 08/17/2011 | EP2357453A1 System for validating calibration of a coriolis flowmeter |
| 08/17/2011 | EP2356408A2 Method and device for calibrating measuring transducers of ultrasonic flow meters |
| 08/17/2011 | CN201935725U 呼吸机校验工装 Ventilator check tooling |
| 08/17/2011 | CN102159318A Characterization method and kit for carrying out method |
| 08/17/2011 | CN102152751A Mobile inspection vehicle for calibrating metering of oiling machine |
| 08/11/2011 | DE10014887B4 Vorrichtung zur Bestimmung der Füllstandshöhe eines Füllmediums in einem Tank, insbesondere einem Tank eines Kraftfahrzeugs Apparatus for determining the filling level of a filling medium in a tank, in particular a tank of a motor vehicle |
| 08/10/2011 | CN201926475U 一种流体换向装置 A fluid commutation means |
| 08/10/2011 | CN201926467U 脉冲式涡街流量计的输出脉冲的检测、判断装置 Output pulse detection pulse vortex flowmeter, the judgment means |
| 08/10/2011 | CN102147420A Blocky fluid sensor of time-division duplex microelectromechanical system and working method thereof |
| 08/10/2011 | CN101788324B Automobile fuel tank tilting test board |
| 08/10/2011 | CN101271034B Gas meter leak tightness detecting method and device thereof |
| 08/09/2011 | US7993109 Variable volume, shape memory actuated insulin dispensing pump |
| 08/09/2011 | US7993108 Variable volume, shape memory actuated insulin dispensing pump |
| 08/04/2011 | US20110191037 Fuel dispenser pulser arrangement |
| 08/04/2011 | US20110185820 Startup techniques for a digital flowmeter |
| 08/04/2011 | DE102010006429A1 Coriolis mass flow measuring device for mounting pipe line in processing plant, has evaluating device formed to monitor acceleration signal based on predetermined criterion and to output signal for displaying error condition |
| 08/03/2011 | EP2351996A1 Method for determining a parameter for the correction of measurement values of a Coriolis mass throughput measuring device |
| 08/03/2011 | EP2350576A2 Flow disturbance compensation for magnetic flowmeter |
| 08/03/2011 | EP2350575A1 Viscous fluid flow measurement using a differential pressure measurement and a sonar measured velocity |
| 08/03/2011 | CN201917383U Large-diameter gas flow standard device capable of providing two flow fields |
| 08/03/2011 | CN201916541U 一种预充气式的气动换向阀 One kind of pre inflatable pneumatic valve |
| 08/03/2011 | CN102141426A Fluid reversing device and reversing and timing method |
| 08/03/2011 | CN102140371A 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 |
| 08/02/2011 | CA2604695C Devices and methods for use in assessing a flow condition of a fluid |
| 07/27/2011 | CN101375139B Circuit arrangement and method for monitoring functioning of a vibration limit switch and/or a level meter |
| 07/26/2011 | US7984637 System and method for field calibration of flow meters |
| 07/20/2011 | EP2344849A1 Apparatus for determining and/or monitoring a process variable for a medium |
| 07/20/2011 | CN201903386U Movable liquid-groove type calibrating device for liquid level meter |
| 07/20/2011 | CN102128667A Test device for oil volume calibration of large oil tank |
| 07/20/2011 | CN102128666A Method for calibrating Coriolis mass flowmeter |
| 07/20/2011 | CN102128665A Device for detecting accuracy of mechanical water meter |
| 07/20/2011 | CN101776916B Sewage level sensor fault instant diagnosing, alarming and switching device |
| 07/13/2011 | EP2343517A1 Method for calibrating a flow sensor, and a flow sensor arrangement |
| 07/13/2011 | EP2342541A1 Method and thermal flow meter for determining and/or monitoring at least one parameter that depends at least on the chemical composition of a measurement medium |
| 07/13/2011 | EP2074385B1 Magnetic flowmeter with verification |
| 07/13/2011 | CN102121539A Pre-inflatable pneumatic reversing valve |
| 07/12/2011 | US7979230 Coriolis flowmeter with zero checking feature |
| 07/12/2011 | US7979165 Mass flow rate control apparatus, its calibration method and semiconductor-producing apparatus |
| 07/07/2011 | WO2011080290A1 Thermography logging tool |
| 07/06/2011 | EP2341214A1 Thermography logging tool |
| 07/06/2011 | CN102116667A Large-aperture gas flow calibration device capable of providing two flow fields |
| 07/06/2011 | CN102116666A Constant-temperature sonic nozzle process gas flow calibration facility and constant-temperature stagnation vessel |
| 07/06/2011 | CN101657700B Calibration of dust load flow measuring systems |
| 07/05/2011 | US7974741 Managing information related to industrial equipment |
| 07/05/2011 | US7974734 Method and system to check an electronic metrological measurement instrument |
| 06/29/2011 | EP2339304A1 Method for measuring remaining hydrogen capacity of hydrogen storage canister incorporating RFID device |
| 06/29/2011 | CN201885859U Detection device for leather membrane of gas meter |
| 06/23/2011 | WO2011072335A1 Testable water meter |
| 06/23/2011 | WO2007109177A3 Mass flow meter or controller with inclination sensor |
| 06/22/2011 | EP1989521B1 Circuit arrangement and method for monitoring functioning of a vibration limit switch and/or a level meter |
| 06/22/2011 | CN201876299U Auxiliary detecting device for mechanical counting-type flowmeter |
| 06/22/2011 | CN201876298U Fine tuning mechanism for crank of membrane type gas meter |
| 06/22/2011 | CN102103005A Method and device for calibrating measuring precision of essence/spice adding system |
| 06/21/2011 | US7964103 Computer-implemented method of monitoring the performance of a reverse osmosis membrane in a drinking water supply system |
| 06/16/2011 | US20110144938 Method and apparatus for directing the use of a coriolis flow meter |
| 06/16/2011 | US20110139275 Distribution valve monitor and distribution valve incorporating same |
| 06/16/2011 | US20110139266 Adjustable plugs for fluid flow-split accuracy |
| 06/15/2011 | CN201866528U Adjustment device for combined pressure-adjusting valve of low-temperature gas cylinder |
| 06/15/2011 | CN201866527U Dry type aligning device for low temperature gas cylinder liquid level meter |
| 06/15/2011 | CN201866526U Wet adjusting device of liquid level meter for low-temperature gas cylinders |
| 06/15/2011 | CN102095479A Flowmeters and methods for diagnosis of sensor units |
| 06/14/2011 | US7959606 Device and method employing shape memory alloy |
| 06/14/2011 | CA2604358C Fluid delivery device with autocalibration |
| 06/09/2011 | WO2011068500A1 Vibratory flowmeter friction compensation |
| 06/09/2011 | US20110132064 Flowmeters and methods for diagnosis of sensor units |
| 06/08/2011 | EP2329233A1 Method for producing a capacitive measuring device |
| 06/08/2011 | CN201859001U Differential pressure type natural gas flow conversion checking and comparing device |
| 06/08/2011 | CN101598590B Bidirectional double-ball standard volume tube |
| 06/07/2011 | US7957841 Method of calculating pump flow rates and an automated pump control system |
| 06/07/2011 | CA2510583C Fill level measuring device and method for fill level measurement using the travel time principle |
| 06/03/2011 | WO2011064509A1 Method and device for checking a system for measuring a flow of fuel in real time |
| 06/03/2011 | CA2781776A1 Method and device for checking a system for measuring a flow of fuel in real time |
| 06/02/2011 | US20110130997 Flow meter proving method and system |
| 06/01/2011 | EP2326925A1 A method and system for testing a fuel injector |
| 06/01/2011 | DE102007029660B4 Adaptiver Fehlerzähler für ein drahtloses Feldgerät An adaptive error counter for a wireless field device |
| 06/01/2011 | CN201852622U Automatic capacity calibration device for tank truck |