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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10/01/2008 | EP1975576A1 Flow meter system calibration |
10/01/2008 | CN201126376Y Detecting device for gas flow apparatus |
10/01/2008 | CN101278174A Computation electron device and method for determining one or more stiffness coefficient or quality coefficient |
10/01/2008 | CN100422696C Method for contrasting and correcting accuracy of liquid transfering device volume with europium atom labeling method |
09/30/2008 | US7429360 Fluid dispension apparatus comprising coupled pipette for use in controlled disposition of fluids on biochip; microfluidics |
09/25/2008 | WO2008113375A1 Method and device for measuring flow velocities |
09/25/2008 | DE102008014327A1 Verfahren zur Fehlererkennung eines Strömungssensors Method for detecting faults of a flow sensor |
09/24/2008 | EP1972906A1 Method for recognising errors in a flow sensor |
09/24/2008 | EP1971833A1 A method and arrangement for calibration of a system for determining the amount of liquid in a reservoir |
09/24/2008 | CN201122109Y Water meter self-checking device |
09/24/2008 | CN101271034A Gas meter leak tightness detecting method and device thereof |
09/24/2008 | CN100420920C Method for the magnetic-inductive determination of the flow rate of a medium |
09/24/2008 | CN100420897C Composite differential volume tube metering type quantitatively conveying method and device thereof |
09/18/2008 | WO2007097760A9 Flow meter and method for detecting a cable fault in a cabling of the flow meter |
09/18/2008 | US20080228424 On-line absolute viscosity measurement system |
09/18/2008 | US20080223108 Pipette and sealing mechanism for plunger |
09/18/2008 | DE10359578B4 Verfahren zum Diagnostizieren eines Rauschfehlers eines Kraftstoffpegelsensors eines Fahrzeuges A method for diagnosing a noisy failure of a fuel level sensor of a vehicle |
09/17/2008 | EP1970675A2 Electromagnetic flowmeter and zero point measurement method thereof |
09/17/2008 | CN101268340A Meter electronics and methods for verification diagnostics for a flow meter |
09/17/2008 | CN101268339A Method for operating an electromagnetic flowmeter and electromagnetic flowmeter |
09/17/2008 | CN100419394C Method and device for correcting output information of flow measurement apparatus |
09/11/2008 | US20080221822 System and Method for Calibration of a Flow Device |
09/10/2008 | EP1966569A2 Level measuring arrangement with a safety cut-out at high temperatures |
09/10/2008 | CN100418064C Method to snapshot and playback raw data in an ultrasonic meter |
09/10/2008 | CN100417923C Dry scaling method for electromagnetic flowmeter based on planar magnetic field point-to-point measurement |
09/09/2008 | US7424346 Apparatus and method for pressure fluctuation insensitive mass flow control |
08/28/2008 | WO2008103167A1 Device for metering fluids |
08/28/2008 | US20080202197 Gas Flowmeter Calibration Stand |
08/27/2008 | EP1962067A2 Method for calibrating a flow sensor with one or two temperature-sensitive resistances |
08/27/2008 | EP1961630A2 Detection device for vehicles |
08/27/2008 | CN101251405A Apparatus for calibrating gas instrument |
08/27/2008 | CN101251404A Tester for float level meter |
08/27/2008 | CN100414269C Method and apparatus for validating the accuracy of a flowmeter |
08/21/2008 | DE102008008589A1 Flow sensor's null-point calibration and flow direction detection method, involves measuring electrical power consumption, where measuring signal of electrical power consumption is reached to minimum or maximum |
08/20/2008 | CN101246035A Portable natural gas flow measuring and checking system |
08/14/2008 | WO2008077574A3 Method for operating a vibratory measuring instrument, and corresponding instrument |
08/13/2008 | EP1956347A2 Tapered, frequency-tuned rotor for turbine flow meter |
08/13/2008 | EP1955028A1 Method of calibrating measurement systems |
08/13/2008 | EP1955022A1 Thermal device for determining and/or monitoring the mass flow rate of a fluid medium |
08/13/2008 | CN101243366A Process variable transmitter with diagnostics |
08/12/2008 | US7412336 Attitude insensitive flow device system and method |
08/12/2008 | US7409871 Mass flow meter or controller with inclination sensor |
08/07/2008 | WO2008045823A3 Method and system for providing a linear signal from a mass airflow and/or liquid flow transducer |
08/07/2008 | US20080189054 Method And Apparatus For Directing The Use Of A Coriolis Flow Meter |
08/06/2008 | CN201096509Y Metal can steady flow voltage-stabilizing device |
08/06/2008 | CN101236101A Air flow quantity correcting device |
08/06/2008 | CN100408986C Tester for electromagnetic flowmeter signal converter |
07/31/2008 | WO2008072749A3 Flow rate measurement device |
07/31/2008 | WO2008048099A3 Milk meter |
07/30/2008 | EP1949046A1 Meter electronics and methods for verification diagnostics for a flow meter |
07/30/2008 | EP1949045A1 Meter electronics and methods for determining one or more of a stiffness coefficient or a mass coefficient |
07/30/2008 | CN201094074Y Flow measurement calibrating system fluid medium automatic feeding apparatus |
07/30/2008 | CN201094066Y Double corrugated pipe differential pressure levelmeter zero adjusting apparatus |
07/30/2008 | CN101231167A Method for detecting and regulating sea survey line net systematical error |
07/29/2008 | CA2476341C Method for detecting a gas bubble in a liquid |
07/24/2008 | WO2008042952A3 Method of filtering optical signals with a capillary waveguide tunable optical device |
07/24/2008 | WO2008042290A3 Magnetic flowmeter with verification |
07/24/2008 | US20080173067 Automated nasal spray pump testing |
07/24/2008 | DE102007003887A1 Verfahren zur Bedienung einer Vorrichtung zur kapazitiven Bestimmung und/oder Überwachung einer Prozessgröße Method for operating an apparatus for capacitive determination and / or monitoring a process variable |
07/23/2008 | EP1947429A2 Method for operating a device for capacitative measurement and/or monitoring of a process variable |
07/23/2008 | EP1552146A4 Fluid delivery device, system and method |
07/23/2008 | CN100405028C Device for continuous calibration of a gas mass flow measurement device |
07/23/2008 | CN100405026C Leakage sensor calibration device and device for ejecting quantitative liquid to the sensor |
07/16/2008 | EP1756533B1 Coriolis flow meter and method for determining a signal difference in cabling and first and second pickoff sensors |
07/16/2008 | CN100402992C Measuring reservoir |
07/15/2008 | US7399401 Determining a time period associated with a delivery of a fluid; monitoring a rate of electrochemical reaction in a fluid path of the fluid delivery for the determined time period; determining a rate of the fluid delivery based at least in part on the monitored rate of electrochemical reaction |
07/15/2008 | US7399118 Thermal gas flowmeter comprising a gas quality indicator |
07/15/2008 | CA2427038C Method for determining the current filling level of a liquid in a container |
07/10/2008 | WO2008080802A1 Method for starting up and/or monitoring an in-line measuring device |
07/10/2008 | WO2008025935A9 Improvements in or relating to flow metering |
07/10/2008 | US20080163696 Flow Meter |
07/09/2008 | EP1941245A1 Method for determining a process variable of a medium |
07/09/2008 | CN201083522Y Active water generator flux indication calibration device |
07/09/2008 | CN101218488A Device for the capacitive determination and/or monitoring of a fill-level |
07/09/2008 | CN101216339A Electromagnetic flux converter simulated calibration apparatus |
07/08/2008 | US7396512 Automatic precision non-contact open-loop fluid dispensing |
07/08/2008 | CA2439493C Bubble level meter and related method |
07/03/2008 | WO2008077574A2 Method for operating a vibratory measuring instrument, and corresponding instrument |
07/03/2008 | WO2007098265A3 Flow sensor calibrated by volume changes |
07/02/2008 | EP1938052A2 In-line measuring device |
07/02/2008 | CN201081749Y Porous digitally adjusted water meter core |
07/02/2008 | CN101210839A Aerial craft oil mass measurement error correcting method |
06/25/2008 | CN100397048C Process connection adapter for a meter calibration system |
06/12/2008 | WO2008070213A1 Controller gain scheduling for mass flow controllers |
06/11/2008 | CN101196420A Method and apparatus for validating the accuracy of a flowmeter |
06/11/2008 | CN101196419A Method and apparatus for validating the accuracy of a flowmeter |
06/11/2008 | CN100394149C System and method for in-situ flow verification and calibration |
06/05/2008 | US20080133182 Method And Apparatus For Measuring Parameters of a Stratified Flow |
06/05/2008 | US20080127712 In-Situ Calibration Verification Device and Method for Electromagnetic Flowmeters |
06/04/2008 | EP1926972A1 Method for operating an electromagnetic flowmeter and electomagnetic flowmeter |
06/03/2008 | US7380564 System and method for a mass flow controller |
05/29/2008 | WO2008021017A3 Flow measurement diagnostics |
05/29/2008 | US20080121013 Metering and Pumping Devices |
05/28/2008 | EP1924826A1 Device and method for automatic measuring consumed gas by calculating periodic movement of operation inner mechanism of meters |
05/28/2008 | CN201066300Y Calibration conversion circuit for flux computing instrument |
05/28/2008 | CN101189431A Variable volume, shape memory actuated insulin dispensing pump |
05/28/2008 | CN101187580A Device and method for calibrating a pipette or a dispensing system |
05/27/2008 | US7379832 Multi-channel metering apparatus with automatic calibration |
05/22/2008 | WO2008060950A2 Rapid response blood analyzer |
05/22/2008 | US20080115561 Coriolis flowmeter with zero checking feature |