| 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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| 11/02/2010 | CA2369928C Pressure activated calibration system for chemical sensors |
| 10/28/2010 | WO2010121650A1 Method and device for calibrating liquid meters |
| 10/27/2010 | CN201615777U 光电反射式水表自动检测装置 Photoelectric reflex-meter automatic detection device |
| 10/27/2010 | CN201615776U 一种容器内液位测量系统 A container inside the liquid level measurement system |
| 10/27/2010 | CN101268339B Method for operating an electromagnetic flowmeter and electromagnetic flowmeter |
| 10/26/2010 | US7821415 Pneumatically operated patient bed monitor |
| 10/26/2010 | US7819030 Hybrid manual-electronic pipette |
| 10/26/2010 | US7818990 Apparatus for determining and/or monitoring a process variable of a medium |
| 10/26/2010 | US7818989 Device and method for checking and/or calibrating a passenger recognition device arranged in a vehicle seat |
| 10/20/2010 | CN101865718A Liquid level detection circuit, device and calibration method thereof |
| 10/19/2010 | CA2604498C Variable volume, shape memory actuated insulin dispensing pump |
| 10/13/2010 | CN201607267U 双重活塞式气体流量校准器 Dual-piston gas flow calibrator |
| 10/13/2010 | CN101858773A Field device with two processors |
| 10/07/2010 | WO2010114408A1 Field device configuration system |
| 10/07/2010 | WO2010057951A4 Method and device for calibrating measuring transducers of ultrasonic flow meters |
| 10/06/2010 | CN201600173U 一种直升机油量表指示器试验器 Helicopter fuel gauge indicator tester |
| 10/06/2010 | CN101855526A The method and apparatus for forming the calibration chart for the underground fuel tanks |
| 10/05/2010 | US7809473 Apparatus and method for pressure fluctuation insensitive mass flow control |
| 09/30/2010 | WO2010109182A1 Compact provers |
| 09/30/2010 | WO2010109167A1 Compact provers |
| 09/30/2010 | US20100250155 Method for quantifying hole flow rates in film cooled parts |
| 09/29/2010 | EP2232454A1 A system and method for detecting tampering of a utility meter |
| 09/29/2010 | CN101395453B Gas flow rate verification unit |
| 09/28/2010 | US7802462 Gas flowmeter calibration stand |
| 09/23/2010 | US20100241387 Prover self testing and validation apparatus |
| 09/23/2010 | US20100241076 Device and Method Employing Shape Memory Alloy |
| 09/23/2010 | US20100236646 Flow meter adjusting method, flow rate measuring device and adjustment data controlling system |
| 09/23/2010 | DE102009001641A1 Radiometric measuring arrangement for measuring physical parameter of fill material in container, has radioactive emitter, which transmits radioactive radiation by container during operation |
| 09/22/2010 | CN201589648U Pushing mechanism of gas meter detection device |
| 09/22/2010 | CN101842669A System and method for filling level determination |
| 09/22/2010 | CN101160508B Mass flow verifier with flow restrictor |
| 09/16/2010 | WO2010080341A3 A method for field-measuring fluid flow meters |
| 09/15/2010 | EP2228631A1 Method And System for Multi-Path Ultrasonic Flow Rate Measurement |
| 09/15/2010 | EP1687595B2 Diagnostic apparatus and methods for a coriolis flow meter |
| 09/15/2010 | CN101363749B Method for demarcating sensor coefficient of large caliber electrical flow meter |
| 09/10/2010 | WO2010101807A1 Magnetic flowmeter with coil ground path detection |
| 09/10/2010 | WO2010101680A1 High flow rate prover and meter for custody transfer measurement |
| 09/09/2010 | US20100223976 High flow rate prover and meter for custody transfer measurement |
| 09/09/2010 | DE19917261C5 Elektromagnetische Durchflußmesseranordnung Electromagnetic flowmeter |
| 09/08/2010 | EP1238248B1 Coriolis effect transducer |
| 09/08/2010 | CN201575851U Oil level sensor endurance testing system for vehicles |
| 09/02/2010 | WO2010099380A1 Flow rate compensation for transient thermal response of hot-wire anemometers |
| 09/02/2010 | US20100218586 Methods and devices for determination of flow reservoir volume |
| 09/02/2010 | DE112008001686T5 Massenfluss-Verifizierungsgeräte, die in der Lage sind, verschiedene Volumina bereit zu stellen und artverwandte Verfahren To provide mass flow verifier devices that are capable of different volumes and related method |
| 09/01/2010 | CN201569477U Small measuring vessel automatic measurement calibration device |
| 09/01/2010 | CN201569476U Liquid level measuring calibrating equipment in container |
| 09/01/2010 | CN201569475U Bell-jar type gas flux standard device adopting pulse insertion technology |
| 09/01/2010 | CN101819056A Instrument electronic device for checking and diagnosing flow meter and method |
| 09/01/2010 | CN101451868B Function flow generating source and generating method thereof |
| 08/26/2010 | WO2010096451A1 Level gauge with positive level verifier |
| 08/26/2010 | US20100212397 Method and Apparatus for Forming the Calibration Chart for the Underground Fuel Tanks |
| 08/26/2010 | DE102009000067A1 Device for determining and/or monitoring mass flow rate of e.g. liquid, has evaluation unit determining information about measurement of measuring units and correction value for determination of values |
| 08/26/2010 | CA2755801A1 Level gauge with positive level verifier |
| 08/25/2010 | CN201561792U Test device for metering trace liquid |
| 08/25/2010 | CN201561791U Self-circulating insert type flowmeter calibrating device |
| 08/25/2010 | CN201561790U Sensor aging device |
| 08/25/2010 | CN201561789U Calibration table of air mass flowmeter |
| 08/25/2010 | CN201561788U Simple performance testboard of air flow sensor |
| 08/24/2010 | US7779702 Flow disturbance compensation for magnetic flowmeter |
| 08/18/2010 | EP2219013A1 Energy production device for producing and simultaneously monitoring measured current |
| 08/18/2010 | CN201555643U Upper clapboard pressure stabilizing tank provided with hole |
| 08/18/2010 | CN101809421A Liquid level measurement device and method |
| 08/12/2010 | DE102009000749A1 Vibration-type measuring transformer i.e. coriolis mass flow meter, operating method, involves indicating that detected mass flow value is not reliable when variations of mass flow value lies below preset threshold value |
| 08/11/2010 | CN201548273U Ultrasonic gas meter with temperature compensation |
| 08/11/2010 | CN101802565A Universal transmitter for magnetic flow measurement |
| 08/11/2010 | CN101446505B System for calibrating ultrasonic flowmeter by time difference method |
| 08/11/2010 | CN101216339B Electromagnetic flux converter simulated calibration apparatus |
| 08/04/2010 | EP2212658A1 The method and apparatus for forming the calibration chart for the underground fuel tanks |
| 08/04/2010 | CN201540148U Transmitter backsurge device |
| 08/04/2010 | CN201540147U Bell volume revesal calibrating device |
| 08/04/2010 | CN201540146U Suspension structure for reducing bell jar inner pressure fluctuation |
| 08/04/2010 | CN201540145U Infrared meter calibrating platform |
| 08/04/2010 | CN201540144U A hand-hold meter calibrator |
| 08/04/2010 | CN201540128U Periodic vibration resistant vortex detector |
| 08/04/2010 | CN101796378A Mass flow verifiers capable of providing different volumes, and related methods |
| 08/03/2010 | US7769557 Multi-gas flow sensor with gas specific calibration capability |
| 08/03/2010 | US7766864 Fluid delivery device with autocalibration |
| 07/29/2010 | WO2010085482A1 Mass flow controller hysteresis compensation system & method |
| 07/29/2010 | US20100191497 Encapsulated water treatment system |
| 07/28/2010 | EP2210071A1 System and method for filling level determination |
| 07/28/2010 | EP1454125B1 Photometric calibration of liquid volumes |
| 07/28/2010 | CN101788324A Automobile fuel tank tilting test board |
| 07/28/2010 | CN101788323A Commutator of water flow standard device and commutation method thereof |
| 07/28/2010 | CN101788322A Automobile fuel automatic pumping and injecting test device |
| 07/28/2010 | CN101046405B Flow meter checking device by standard volume tube method and process |
| 07/27/2010 | US7762118 Auto-positioning ultrasonic transducer system |
| 07/22/2010 | WO2010083193A1 Truck compartment verification system with alternate truck id |
| 07/22/2010 | WO2010057951A3 Method and device for calibrating measuring transducers of ultrasonic flow meters |
| 07/21/2010 | CN201532239U Real flow testing device for electromagnetic susceptibility of water meter |
| 07/21/2010 | CN101784870A Noise diagnosis of operating conditions for an electromagnetic flowmeter |
| 07/21/2010 | CN101451878B Active leakage prevention volume pipe |
| 07/21/2010 | CN101451877B Volume tube with passive containing cylinder pressure equilibrium structure |
| 07/20/2010 | US7757541 Techniques for calibration of gas flows |
| 07/15/2010 | WO2010080341A2 A method for field-measuring fluid flow meters |
| 07/15/2010 | US20100175456 Multiple flow conduit flow meter |
| 07/14/2010 | CN201527282U Device for detecting turbine flowmeter |
| 07/14/2010 | CN101776916A Sewage level sensor fault instant diagnosing, alarming and switching device |
| 07/13/2010 | US7753874 Fluid delivery device with autocalibration |
| 07/13/2010 | US7753873 Fluid delivery device with autocalibration |
| 07/08/2010 | US20100170322 Vibratory flow meter and method for correcting for an entrained phase in a two-phase flow of a flow material |