| 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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| 05/19/2009 | CA2626280C Liquid proving system |
| 05/14/2009 | US20090120159 Liquid Level Sensor and Estimation Method |
| 05/14/2009 | DE10392816B4 Vorrichtung und Verfahren zur Kompensation des Ausgangssignals eines Sensors Apparatus and method for compensation of the output signal of a sensor |
| 05/13/2009 | CN101430221A Particle imaging device in gas pipeline |
| 05/13/2009 | CN101430220A Controllable matrix program-controlled capacitance box |
| 05/07/2009 | US20090113985 Fluid flow measuring and proportional fluid flow control device |
| 05/07/2009 | DE102007053105A1 Fluid's volumetric flow measuring method for use in pipeline of hydraulic system, involves carrying out additional flow diagnosis in hydraulic system and partial monitoring of magnetic-inductive flow-measuring device for error diagnosis |
| 05/06/2009 | CN101424560A Plastic water meter case and plastic water meter detecting support |
| 04/30/2009 | US20090112504 High Accuracy Mass Flow Verifier with Multiple Inlets |
| 04/30/2009 | US20090112165 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/30/2009 | US20090112156 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/29/2009 | EP2052223A2 Flow measurement diagnostics |
| 04/29/2009 | CN201229202Y Engineering demarcating device of liquid flowmeter measured by normal volume method |
| 04/29/2009 | CN101421593A Flow meter and method for detecting a cable fault in a cabling of the flow meter |
| 04/29/2009 | CN101421592A Dynamic mixed gas flowmeter |
| 04/29/2009 | CN101419088A Calibration device for sonic nozzle gas flowmeter by positive-pressure method and application method |
| 04/29/2009 | CN101419085A Sewerage constant flow detecting system |
| 04/29/2009 | CN100483286C Flow controller and its regulation method |
| 04/29/2009 | CN100483084C Method and apparatus for calibrating flow meter |
| 04/28/2009 | US7523667 Diagnostics of impulse piping in an industrial process |
| 04/28/2009 | US7523639 Flow meter type identification |
| 04/23/2009 | WO2009051571A1 The method and apparatus for forming the calibration chart for the underground fuel tanks |
| 04/23/2009 | WO2007008509A3 Methods for verifying gas flow rates from a gas supply system into a plasma processing chamber |
| 04/23/2009 | US20090105649 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/23/2009 | US20090105648 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/23/2009 | US20090105647 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/23/2009 | CA2703643A1 The method and apparatus for forming the calibration chart for the underground fuel tanks |
| 04/22/2009 | CN201225920Y Gas flow standard device combining acoustic speed nozzle method and standard table method |
| 04/22/2009 | CN101413814A Vortex shedding flowmeter based on CPLD and correcting method thereof |
| 04/22/2009 | CN100480646C Detecting unit of Coriolis quality flow meter |
| 04/22/2009 | CN100480643C On-line flow meter |
| 04/21/2009 | US7523005 Clamp-on coriolis mass flow meter using in-situ calibration |
| 04/16/2009 | WO2005017464A3 Dynamic mixed gas flowmeter |
| 04/16/2009 | US20090094950 Calibration unit for volatile particle remover |
| 04/16/2009 | DE202008016170U1 Steuereinheit für eine Tankanlage Control unit for a tank system |
| 04/15/2009 | CN201221971Y Apparatus for automatically opening film |
| 04/15/2009 | CN101408454A Method for testing function of gas wireless handhold machine |
| 04/15/2009 | CN101408453A Method for testing wireless gas meter function |
| 04/15/2009 | CN101408452A Full-automatic water meter production inspecting method |
| 04/14/2009 | US7516641 Flow sensor methods and apparatus |
| 04/09/2009 | US20090090164 Method for volumetrically calibrating a liquid flow controller while maintaining the liquid in a closed system |
| 04/08/2009 | EP2045582A1 Flowmeter |
| 04/08/2009 | EP1585946B1 Increased-accuracy gas energy meter |
| 04/08/2009 | CN101403632A Dynamic multipath synchronization detection apparatus and method for metering device |
| 04/02/2009 | WO2009019591A3 Method for determining the instantaneous flow rate of a fluid, in particular for a liquid under high-pressure |
| 04/02/2009 | WO2007012067A3 Autocalibrated multiphase fluid characterization using extrema of time series |
| 04/01/2009 | CN201215861Y Air flow proportioning calibrating device for carbon dioxide large power laser |
| 04/01/2009 | CN201215502Y Oil gauge, thermometer checking instrument for automobile and motorcycle |
| 04/01/2009 | CN100473956C Gas flow rate calibrating method |
| 03/26/2009 | WO2009038803A1 Use of statistics to determine calibration of instruments |
| 03/26/2009 | WO2009038654A1 Universal transmitter for magnetic flow measurement |
| 03/26/2009 | WO2009038592A1 Clog detection in a clinical sampling pipette |
| 03/26/2009 | WO2009037009A2 Calibration of dust load flow measuring systems |
| 03/26/2009 | DE102007043907A1 Kalibrierung von Staubmassenstrommess-Systemen Calibration of dust mass flow measuring systems |
| 03/26/2009 | CA2699655A1 Calibration of dust load flow measuring systems |
| 03/25/2009 | EP2039935A2 A pumping installation controller |
| 03/25/2009 | CN101395453A Gas flow rate verification unit |
| 03/25/2009 | CN101393048A Fluid medium automatic feeding apparatus for flow measurement demarcating system |
| 03/25/2009 | CN100472189C Flow meter type identification |
| 03/25/2009 | CN100472184C Monitoring of two-phase fluid flow using a vortex flowmeter |
| 03/24/2009 | US7506532 Method for calibrating ultrasound clamp-on flowmeters |
| 03/18/2009 | EP2037284A1 Method and device to check the correct operation of an anemometer |
| 03/18/2009 | EP2037236A2 Calibration method of a flow measurement in a flow system and a flow system for carrying out the method |
| 03/18/2009 | EP2037232A2 System and method for field calibration of flow meters |
| 03/18/2009 | CN101387539A Weighing ore groove level meter demarcating apparatus |
| 03/18/2009 | CN101387530A Flowmeter |
| 03/17/2009 | US7505861 Method for monitoring the installation of a measurement device |
| 03/17/2009 | US7505854 Startup techniques for a digital flowmeter |
| 03/12/2009 | US20090064757 Self-calibrating liquid level transmitter |
| 03/12/2009 | US20090064755 Method for the calibration of a flow measurement in a flow system, and flow system for carrying out the method |
| 03/11/2009 | CN201207007Y Calibration device for brake fluid charging machine |
| 03/11/2009 | CN100468017C Metal can viscous liquid flow voltage-stabilizing device |
| 03/11/2009 | CN100468016C Gas flow rate control device verify method |
| 03/05/2009 | US20090056410 Self diagnostic measurement method to detect microbridge null drift and performance |
| 03/04/2009 | CN101377429A Dried calibration method and apparatus of portable electromagnetic flowmeter |
| 03/04/2009 | CN101377428A Weighting type calibration method of electromagnetic flowmeter |
| 03/04/2009 | CN101377427A Method and device for measuring weighting function of electromagnetic flowmeter |
| 03/03/2009 | US7499819 Flow measuring device |
| 02/26/2009 | US20090055119 System and method for flow profile calibration correction for ultrasonic flowmeters |
| 02/26/2009 | DE102007038417A1 Anordnung und Verfahren zum Bestimmen des Ölverbrauchs einer ölgeschmierten Maschine Apparatus and method for determining the oil consumption of an oil-lubricated machine |
| 02/25/2009 | CN101375139A Circuit arrangement and method for monitoring functioning of a vibration limit switch and/or a level meter |
| 02/19/2009 | WO2009003962A3 Measuring system for a medium flowing in a process line |
| 02/19/2009 | US20090044636 Method and device for recording characteristic state, amount and composition of a flowing medium |
| 02/19/2009 | US20090044634 Apparatus for Measuring the Velocity of a Fluid Flow |
| 02/19/2009 | US20090044596 Flow calibrator |
| 02/19/2009 | US20090044595 Method and apparatus to detect and locate roof leaks |
| 02/18/2009 | EP2026046A2 Radar level gauge with variable pulse parameters |
| 02/18/2009 | CN201196585Y Vehicle-mounted small flow meter calibrating apparatus |
| 02/12/2009 | WO2009020424A1 Liquid level measurement device and method |
| 02/12/2009 | WO2009019591A2 Method for determining the instantaneous flow rate of a fluid, in particular for a liquid under high-pressure |
| 02/11/2009 | EP2023102A1 Process and device for processing granular material mixtures |
| 02/11/2009 | CN201193955Y Gas flow accuracy calibrating apparatus |
| 02/11/2009 | CN101363749A Method for demarcating sensor coefficient of large caliber electrical flow meter |
| 02/11/2009 | CN100460830C Tunable empty pipe function |
| 02/05/2009 | DE19926648B4 Verfahren zum Betrieb einer Füllstands-Messvorrichtung Method for operating a filling level measurement device |
| 02/04/2009 | CN101358872A On-sit calibrating method and apparatus for gas meter for household use |
| 02/04/2009 | CN101358871A Actual flow circle calibrating apparatus for gas flowmeter and calibrating method thereof |
| 02/04/2009 | CN100458379C Radioactive isotope labelling method comparison and calibration method for accuracy degree of transfer device capacity |
| 02/04/2009 | CN100458377C Method and equipment for determining determination in flow |
| 02/04/2009 | CN100458374C Electrical flowmeter and method thereof for improving online detecting accuracy |