| 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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| 02/04/2014 | CA2699655C Calibration of dust load flow measuring systems |
| 01/30/2014 | WO2014015770A1 Method for accurately measuring gas flow and liquid flow in gas and liquid mixed fluid |
| 01/29/2014 | EP2689364A2 Portable truck tester |
| 01/29/2014 | CN203414149U Power supply circuit for flowmeter online detection data collection and transmission device |
| 01/29/2014 | CN203414148U Metering cylinder body mechanism for piston-type liquid standard volume pipe |
| 01/29/2014 | CN203414147U Online flowmeter calibrating device |
| 01/29/2014 | CN203414146U Piston type liquid standard pipe prover |
| 01/29/2014 | CN203414145U On-line verified data collecting and transmitting device of flowmeter |
| 01/29/2014 | CN203414144U Gas flow detection device |
| 01/29/2014 | CN103542915A Gas small flow standard device |
| 01/29/2014 | CN103542905A Water meter flow identifying method |
| 01/29/2014 | CN103542898A Nuclear magnetic flowmeter |
| 01/29/2014 | CN102519557B Computer aided calibration method for coal flow meter in shell coal gasification process |
| 01/29/2014 | CN102506966B Correcting device for flow system |
| 01/23/2014 | WO2013180843A3 Differential pressure type flowmeter having redundant pressure sensors allowing sensor failure and degradation detection |
| 01/23/2014 | DE102012212497A1 Ausliterungsvorrichtung und Verfahren zur Kalibrierung von Kammern eines Tanks Ausliterungsvorrichtung and method for calibrating chambers of a tank |
| 01/22/2014 | CN101498600B Flow meter diagnostic processing |
| 01/21/2014 | US8631680 Method for the calibration of a flow measurement in a flow system, and flow system for carrying out the method |
| 01/21/2014 | CA2796287C Meter right sizing |
| 01/16/2014 | US20140015526 Nuclear magnetic flowmeter |
| 01/16/2014 | DE102012021794B3 Messanordnung zur Bestimmung einer Messgröße Measuring device for determining a measured variable |
| 01/16/2014 | DE102012013933A1 Verfahren und Vorrichtung zum Kalibrieren von kernmagnetischen Durchflussmessgeräten Method and apparatus for calibrating nuclear magnetic flowmeters |
| 01/16/2014 | CA2820827A1 Nuclear magnetic flowmeter |
| 01/15/2014 | CN203396461U Differential pressure flowmeter verification system |
| 01/15/2014 | CN203396460U Calibrating device for flow meter |
| 01/15/2014 | CN203396459U Self-correction capacitance liquid level sensor |
| 01/15/2014 | CN103512742A Oxygen inhalator calibrating apparatus |
| 01/15/2014 | CN103512639A System of verifying operation of electromagnetic flow meter |
| 01/15/2014 | CN102564525B Bell jar type gas flowmeter calibration device with spiral pipe micrometer element |
| 01/15/2014 | CN101858773B Field device with two processors |
| 01/08/2014 | EP2681516A1 Differential pressure based flow measurement |
| 01/08/2014 | CN203385466U Electric drive symmetrical plunger type gas micro flow standard device |
| 01/08/2014 | CN103502782A Method for calibrating and/or monitoring FMCW radar filling level measuring device |
| 01/08/2014 | CN103499376A Durability test device and method for hot water meters |
| 01/08/2014 | CN103499373A Automobile oil tank truck capacity automatic inspection device with self-calibration function and inspection method |
| 01/03/2014 | WO2014005099A1 Well head water level sensor |
| 01/01/2014 | EP2679966A2 System of verifying operation of electromagnetic flow meter |
| 01/01/2014 | CN203376036U Demarcating and detecting device of liquid flowmeter |
| 01/01/2014 | CN203376035U Device for detecting fundamental errors of industrial membrane type gas meter |
| 01/01/2014 | CN203376034U Meter number scanning device in finished intelligent meter detection equipment |
| 01/01/2014 | CN203376033U Portable on-line detector used for detecting gas meter |
| 01/01/2014 | CN103489492A Passive water level testing device and testing method |
| 01/01/2014 | CN103487119A Full-automatic error correction checking device for electronic water meter and method thereof |
| 01/01/2014 | CN103487118A Gas meter measuring device capable of correcting errors in real time |
| 01/01/2014 | CN102680057B Piston type gas-liquid dual-purpose micro-flow standard device |
| 12/31/2013 | US8616042 Method and apparatus for calibrating dispensed deposits |
| 12/27/2013 | WO2013189125A1 Method related to determining switching point of a switch-type passive nucleonic level gauge |
| 12/26/2013 | US20130340498 System of verifying operation of electromagnetic flow meter |
| 12/25/2013 | CN203364932U Air flow meter experiment table |
| 12/25/2013 | CN103471687A Mobile phone adjusting system for industrial flow meter |
| 12/25/2013 | CN103471686A Gas flow standard device and application method thereof |
| 12/25/2013 | CN103471685A Testing device and testing method of gas-liquid separator |
| 12/25/2013 | CN103471665A Ultrasonic online detection device and method for liquid flow |
| 12/25/2013 | CN102661775B Automatic water gage detector and application |
| 12/25/2013 | CN101339068B System and method for field calibration of flow meters |
| 12/24/2013 | DE102012012252A1 System zur Durchflussmessung System for flow measurement |
| 12/18/2013 | EP2673598A2 Determining delay times for ultrasonic flow meters |
| 12/18/2013 | CN203349905U State detecting device of gas meter |
| 12/18/2013 | CN203349904U Multifunctional meter sealing and clamping device |
| 12/18/2013 | CN103453968A Metering verification method for LNG (liquefied natural gas) dispenser |
| 12/18/2013 | CN103453967A Natural gas energy meter |
| 12/18/2013 | CN103453956A Temperature verification for ultrasonic flow meters |
| 12/11/2013 | EP2672247A1 Leak Testing Methods and Systems |
| 12/11/2013 | CN203337236U Calibrating device of crude oil flow meter |
| 12/11/2013 | CN203337235U On-line replaceable water meter turbulence device |
| 12/11/2013 | CN203337234U Connecting wire for verification of split-body type siemens electromagnetic flowmeter |
| 12/11/2013 | CN203337233U Self-adaption capacitive sensor for liquefied natural gas |
| 12/11/2013 | CN203337232U Photoelectric sampler used for accuracy measurement of flowmeter |
| 12/11/2013 | CN203337231U Two-station fully-automatic composite water meter verification device based on image recognition |
| 12/11/2013 | CN103438964A Closed type open commutator |
| 12/11/2013 | CN103438963A Automatic detection method for wireless intelligent meter |
| 12/11/2013 | CN103438953A Mobile underground tank volume field calibration device and calibration method thereof |
| 12/11/2013 | CN102636238B Vortex shedding flowmeter detection device |
| 12/10/2013 | CA2770476C Flow meter and method for detecting a cable fault in a cabling of the flow meter |
| 12/10/2013 | CA2768991C Flow meter and method for detecting a cable fault in a cabling of the flow meter |
| 12/10/2013 | CA2658605C Three pickoff sensor flow meter |
| 12/10/2013 | CA2539204C Diagnostic apparatus and methods for a coriolis flow meter |
| 12/05/2013 | WO2013181305A1 Real time detection of aspiration short shots using pressure signal |
| 12/05/2013 | WO2013180843A2 Differential pressure transmitter with redundant sensors |
| 12/05/2013 | WO2013180427A1 Gas flow meter program of constriction device and flow measurement method and flow measurement device using same |
| 12/05/2013 | US20130319074 Differential pressure transmitter with redundant sensors |
| 12/05/2013 | DE102009008050B4 Systeme und Verfahren zum Überwachen von Harnstoff-Füllstand Systems and methods for monitoring of urea level |
| 12/04/2013 | CN203323840U Field adjusting device for thermal flowmeter |
| 12/04/2013 | CN203323839U Flowmeter-method on-line capacity calibration system |
| 12/04/2013 | CN203323838U Steam-water fluid measuring instrument calibration device for oilfield steam injection |
| 12/04/2013 | CN203323837U Negative pressure meter |
| 12/04/2013 | CN103424163A Systems and methods to initiate a verification test within a flow meter via a flow computer |
| 11/28/2013 | US20130317760 Method for operating a resonance measuring system |
| 11/28/2013 | DE102012208663A1 Method for calibrating liquid measure of water-conducting household appliance, involves utilizing combination of measured parameter of electrical heating energy for heating liquid in household appliance with normal value of parameter |
| 11/27/2013 | EP2665996A2 Apparatus and method for determing displacer position in a flowmeter prover |
| 11/27/2013 | CN203310488U On-line testing device for throw-in type liquid level transmitter |
| 11/27/2013 | CN103411653A Calibration and detection device of liquid flow meter |
| 11/27/2013 | CN102735291B Gas flowmeter and metering method thereof |
| 11/26/2013 | US8590362 Apparatus, method and system for calibrating a liquid dispensing system |
| 11/21/2013 | WO2013171666A1 Method for identifying obstructions in pipeline networks for transporting fluids |
| 11/20/2013 | CN103398748A Self-calibrating water-intake metering unit based on composite electromagnetic and ultrasonic principle |
| 11/20/2013 | CN102549398B Method and apparatus for determining and compensating for a change in a differential zero offset of a vibrating flow meter |
| 11/20/2013 | CN102519556B Method for calibrating heavy-caliber electromagnetic flowmeter on line |
| 11/19/2013 | US8589106 Calibration of a handheld diabetes managing device that receives data from a continuous glucose monitor |
| 11/14/2013 | WO2013167385A1 Method for monitoring the operating state of an ultrasonic transducer in an ultrasonic flow rate measuring device |