| 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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| 09/11/2013 | CN101865718B Liquid level detection circuit, device and calibration method thereof |
| 09/11/2013 | CN101387530B Flowmeter |
| 09/06/2013 | WO2013130003A1 Method for calibrating a device for feeding a granular or powder material and such device |
| 09/05/2013 | US20130228003 Coriolis Mass Flowmeter and Method for Operating a Coriolis Mass Flowmeter |
| 09/04/2013 | CN203177933U Testing and regulating device for accuracy and air tightness of large diaphragm meter |
| 09/04/2013 | CN103282748A Flow rate measurement device and flow rate measurement method of flow rate controller for gas feeder |
| 09/04/2013 | CN103278222A Online monitoring method for measuring accuracy of tobacco feeding and flavoring flow meter |
| 09/04/2013 | CN103278221A Detection equipment used for finished intelligent meter |
| 09/04/2013 | CN103278220A Method for rapidly verifying intrinsic errors of membrane type gas meter and device thereof |
| 09/04/2013 | CN103278219A Double-range low-friction metering cylinder used for calibrating flow meter |
| 09/04/2013 | CN103278218A Flow monitoring device used for mechanical water meter |
| 09/04/2013 | CN103278217A Generation method and implementation apparatus of gas flow |
| 09/04/2013 | CN103278210A System capable of judging height of surface gathered water rapidly and use method of system |
| 09/04/2013 | CN102636237B Valve cover tightness detection device for diaphragm gas meter by using negative pressure method |
| 08/29/2013 | WO2013123617A1 Mass flow controllers and methods for auto-zeroing flow sensor without shutting off a mass flow controller |
| 08/29/2013 | US20130219986 Method and apparatus for calibrating a flow meter |
| 08/28/2013 | EP2631613A2 Apparatus, method and system for calibrating a liquid dispensing system |
| 08/28/2013 | EP2631612A2 Method for monitoring and method for operating a fill level measuring system using the radar principle and corresponding fill level measuring system |
| 08/28/2013 | CN203163837U Gas flow instrument field calibration device |
| 08/28/2013 | CN203163836U Power circuit of aging cabinet |
| 08/28/2013 | CN103267560A High-temperature detecting system of optical fiber flow sensor |
| 08/28/2013 | CN103267559A Automatic volume verification method and device for oil tank truck |
| 08/28/2013 | CN103267558A Mounting clamp of ultrasonic sensor |
| 08/28/2013 | CN102519558B Detector for correcting measuring accuracy of sonic nozzle of diaphragm gas meter |
| 08/22/2013 | DE102013002598A1 Abweichungskompensation für Flusssensorelemente Deviation compensation for flow sensor elements |
| 08/22/2013 | DE102012003373A1 Verfahren zur Überwachung und Verfahren zum Betreiben eines nach dem Radar-Prinzip arbeitenden Füllstandmesssystems und entsprechendes Füllstandmesssystem A method for monitoring and method of operating a working according to the radar principle level gauge system and corresponding level gauge system |
| 08/21/2013 | CN203148535U Reciprocating piston type water meter flow metering mechanism |
| 08/21/2013 | CN203148534U Water meter flow measurement calibration device |
| 08/21/2013 | CN203148533U Water meter full-automatic flow detecting device |
| 08/21/2013 | CN103256965A Multi-channel electrical equipment parameter collecting device |
| 08/21/2013 | CN102486395B Correction carrier for gas-oil ratio testing sealing assembly of oil filling gun |
| 08/21/2013 | CN102016519B Method for generating a diagnostic from a deviation of a flow meter parameter |
| 08/21/2013 | CN101978245B High accuracy mass flow verifier with multiple inlets |
| 08/20/2013 | US8511138 Piston prover apparatus, method and system |
| 08/15/2013 | WO2013117570A1 Orifice system |
| 08/14/2013 | EP2625493A1 Fluid meter body with modular transducer housing |
| 08/14/2013 | DE112011102854T5 Verfahren und Vorrichtung zum Kalibrieren eines Durchflussmessgeräts Method and apparatus for calibrating a flowmeter |
| 08/14/2013 | CN203132656U Device for calibrating steam flowmeter by using condensation weighing method |
| 08/14/2013 | CN203132655U Adjustment device for horizontal helical-vane-type water meter |
| 08/14/2013 | CN203132619U Soap film flowmeter |
| 08/14/2013 | CN203125363U Flow meter clamping platform device of gas flow standard device |
| 08/14/2013 | CN103248356A Counter based on phase-lock loop pulse interpolation technology and realization method |
| 08/14/2013 | CN103245402A Screening and detecting method for ultrasonic water flow detection transducers |
| 08/14/2013 | CN103245375A Testing of a measurement device assembly, corresponding measurement device assembly and test assembly |
| 08/13/2013 | US8505356 Apparatus and calibration method for cup anemometers having non-removable cupsets |
| 08/13/2013 | US8505355 Method and apparatus for a bidirectional meter proving system |
| 08/13/2013 | CA2623191C Meter electronics and methods for determining one or more of a stiffness coefficient or a mass coefficient |
| 08/13/2013 | CA2592593C A method and apparatus for directing the use of a coriolis flow meter |
| 08/13/2013 | CA2543262C Diagnostic apparatus and methods for a coriolis flow meter |
| 08/08/2013 | US20130204550 Method for radiometric limit level monitoring |
| 08/08/2013 | US20130199262 Self calibrating fuel dispensing method and system |
| 08/08/2013 | DE102012002013A1 Prüfung einer Messgerätanordnung, entsprechende Messgerätanordnung und Prüfanordnung Examination of a meter assembly, have the meter assembly and test set |
| 08/07/2013 | CN203116821U Manual and automatic calibrating device of liquidometer |
| 08/07/2013 | CN203116820U Piston rod penetrating-through structure of piston type standard volume pipe |
| 08/07/2013 | CN203116819U Piston poppet valve mechanism of piston type standard volume pipe |
| 08/07/2013 | CN203116818U Photoelectric detection system of piston type standard volume pipe |
| 08/07/2013 | CN203116817U Pneumatic spring component of piston type standard volume pipe |
| 08/07/2013 | CN203116816U Gas and sewage discharging assembly of piston type standard volume pipe |
| 08/07/2013 | CN103234608A Automatic setting device of water meter |
| 08/07/2013 | CN103234607A Automatic detection method and device of electronic counter of photoelectric direct-reading water meter |
| 08/07/2013 | CN103234606A System and method for verifying flow rate |
| 08/07/2013 | CN103234605A Contrast test method and tester for two-way air flow and reaction speed of automotive flow meter |
| 08/07/2013 | CN103234604A Calibrating device for weir trough open channel flow meter |
| 08/07/2013 | CN103234572A Check system for LabVIEW-based automobile instrument |
| 08/06/2013 | US8504311 Method and mass flow controller for enhanced operating range |
| 07/31/2013 | EP2619530A2 Apparatus and methods for automatically testing a servo gauge in an inventory management system |
| 07/31/2013 | CN203100988U Semi-automatic water test leak detection device for gas meter |
| 07/31/2013 | CN203100837U Mass flow fuel consumption measurement device |
| 07/31/2013 | CN203100836U Calibration device of water level measuring equipment |
| 07/31/2013 | CN203100835U Automatic calibration device of fuel dispenser |
| 07/31/2013 | CN103229026A Apparatus and methods for automatically testing a servo gauge in an inventory management system |
| 07/25/2013 | WO2013109443A1 System for and method of monitoring flow through mass flow controllers in real time |
| 07/24/2013 | EP2618114A1 Retrieval of measurement values, diagnosis information or device parameters |
| 07/24/2013 | CN203083673U Third-order metal measuring instrument calibrating device capable of finely adjusting and locating liquid level by using communicating vessel method |
| 07/24/2013 | CN203083672U Diversion type third-order metal measuring instrument calibrating device capable of automatically locating liquid level |
| 07/24/2013 | CN203083671U Third-class metal meter calibrating device for calibrating neck scale division by volume measurement method |
| 07/24/2013 | CN203083670U System for calibrating scale division volume of measurement neck of third-class metal meter by mass density method |
| 07/24/2013 | CN203083669U Guide rail type reflective liquid level meter calibrating device |
| 07/24/2013 | CN203083668U Pressure type differential pressure level meter calibrating device |
| 07/24/2013 | CN203083667U Gas meter error curve adjusting device |
| 07/24/2013 | CN203083666U Water meter verification device |
| 07/24/2013 | CN203083665U Flowmeter prover |
| 07/24/2013 | CN203082486U Adjustable shock absorption flowmeter supporting base device |
| 07/24/2013 | CN103217203A Water temperature overload test device |
| 07/24/2013 | CN102426046B Closed type internal circulation detecting system of piston type standard volume tube |
| 07/18/2013 | WO2013106457A1 Liquid transfer systems and methods of calibration thereof |
| 07/18/2013 | WO2013105933A1 Field service device and method for facilitating a processing system replacement in a vibratory flowmeter |
| 07/18/2013 | WO2013104722A1 Method for adapting a metering pump to the viscosity of the medium to be metered |
| 07/18/2013 | WO2013072685A3 Method of assessing and condition monitoring of fluid conduits and apparatus therefor |
| 07/18/2013 | DE102012108350B3 Vorrichtung und Verfahren zur Rekalibrierung eines Abgasmassenstromsensors Apparatus and method for recalibration of an exhaust gas mass flow sensor |
| 07/17/2013 | EP2615432A1 Fluid leak detection system |
| 07/17/2013 | EP2614341A1 Radar level gauge system with operation monitoring functionality |
| 07/17/2013 | EP2614340A1 Capacitive liquid level sensor |
| 07/17/2013 | EP2614337A1 Method for detecting a stoppage in a coriolis flow meter |
| 07/17/2013 | CN203069240U Flow meter counter operation monitoring system |
| 07/17/2013 | CN102506964B Liquid reservoir automatic calibration device and calibration method |
| 07/11/2013 | WO2013102580A1 Level transmitter |
| 07/11/2013 | WO2013060441A3 Method for correcting offset drift effects of a thermal measuring device, thermal measuring device and gas throughflow measuring apparatus |
| 07/11/2013 | US20130174637 Ultrasonic Reactor Water Level Measuring Device and Evaluation Method |
| 07/11/2013 | US20130174635 Mass flow controller verifying system, verifying method and verifying program |