Patents
Patents for G01F 25 - Testing or calibrating of apparatus for measuring volume, volume flow, or liquid level, or for metering by volume (5,338)
02/2003
02/26/2003EP1285236A2 Conduction indication in a magnetic flowmeter
02/26/2003EP1285235A2 Spectral diagnostics in a magnetic flow meter
02/20/2003DE29924368U1 Flowmeter inspection method for flowmeter build into pipeline system, involves comparing detected measurement result of flowmeter with input signal corresponding to amount of fluid flowing in pipeline system
02/13/2003US20030029223 Fully automated, self testing level sensor
02/11/2003US6516651 Coriolis effect transducer
01/2003
01/29/2003WO2002010693A1 Flow metering method and flowmeter
01/29/2003CA2417657A1 Flow metering method and flowmeter
01/28/2003US6510745 Coriolis effect transducer
01/08/2003CN1389711A Practical liquid calibrator for static transmission time difference of supersonic flowmeter
12/2002
12/27/2002WO2002066935A9 A flow meter module for a controller
12/26/2002US20020198668 System and method for a mass flow controller
12/19/2002US20020193957 Data collection methods and apparatus with parasitic correction
12/19/2002US20020193911 Mass flow rate-measuring method and mass flow rate control apparatus
12/18/2002EP1266195A1 Continuous liquid flow system
12/18/2002EP1266194A1 Method and device for detecting and/or monitoring the level of a medium in a container
12/17/2002US6494090 Air-mass sensor
12/12/2002DE10223043A1 Fluidmeßsysteme und -verfahren Fluidmeßsysteme and procedures
12/05/2002WO2002097380A1 Discrete level measurement device with automatic threshold setting.
12/05/2002WO2002097379A1 Flowmeter proving device and method
12/05/2002US20020178809 Fluid-gauging systems and methods
12/05/2002US20020178808 Point level device with automatic threshold setting
12/05/2002CA2448700A1 Discrete level measurement device with automatic threshold setting
11/2002
11/27/2002EP1260800A2 Method and device for determining the filling level in fuel containers
11/27/2002EP0741895B1 Hydraulic fluid leak detection system and method
11/26/2002CA2310375C Method and apparatus for calibrating personal air samplers
11/14/2002WO2002090897A1 Flow metering
11/14/2002WO2002090894A1 Flow diagnostic system
11/14/2002US20020167831 Circuit for programming antifuse bits
11/07/2002US20020163827 Circuit for programming antifuse bits
11/06/2002EP1254351A1 Mass flow apparatus for powdered and granulated solids and accumulated weight
11/05/2002US6474132 Precalibrated flow meter
10/2002
10/31/2002WO2002086632A2 System and method for configuring and asapting a mass flow controller
10/31/2002US20020157448 Flowmeter calibration apparatus
10/31/2002US20020157446 Pressure activated calibration system for chemical sensors
10/31/2002DE10118934A1 Monitoring device for adjusting and aging monitoring of flow measuring devices that use ultrasonic transducers, by determining mark-space ratio of comparator output signal
10/31/2002DE10116178A1 Device for measuring penetration depth and depth selectivity in flow probes in human and animal tissues has numerous stacked flexible tubes with a substance flowing through them and a translucent material around them
10/24/2002WO2002084231A1 Motor-vehicle-tank-sender-unit
10/23/2002EP1250574A1 Method and apparatus for monitoring operational performance of fluid storage systems
10/17/2002WO2002082521A1 Processing method and processor
10/17/2002US20020149772 Method and device for determining the volume of a liquid sample
10/10/2002WO2002079731A1 Method of estimating measuring accuracy of dispensing meters
10/09/2002EP1247077A1 Self-normalizing flow sensor and method for the same
10/08/2002US6462655 Zone check test system
10/03/2002WO2002077733A1 Diagnosis device for field equipment
09/2002
09/26/2002US20020138221 Method and apparatus for in-situ calibration of quantity measurement of a fluid flowing in a channel
09/26/2002US20020134132 Method and system for detecting and cross-checking faulty sensors in liquid level indicators and controllers
09/26/2002DE10104165A1 Verfahren zur Bestimmung und Darstellung einer optimirten Anordnung und Montage eines radiomatrischen Mesystem A method for determining and presenting an optimirten arrangement and assembly of radiomatrischen probe technology
09/24/2002US6455787 Method for determining the weights of liquid units, weighing insert and weighing arrangement
09/24/2002US6453721 Gas meter calibration testing device
09/19/2002US20020131903 Picoliter volumetric range, in which the size of the droplets dispensed and the reproducibility thereof does not depend on the resolution of the diluter; accuracy
09/12/2002WO2002071006A1 Bubble level meter and related method
09/12/2002WO2001018496A3 Several gas flow measuring devices and signal processing methods
09/12/2002US20020124627 Calibration apparatus for multi-channel pipettes, including a transport device for receptacles
09/11/2002EP1238248A1 Coriolis effect transducer
09/11/2002EP0980508B1 Method and device for detecting and compensating zero point influences on coriolis-type mass flowmeters
09/11/2002EP0745213B1 System and method for monitoring a fluid flow in a dialysis machine
09/08/2002CA2340139A1 Bubble pipe level measuring instrument self-test device
09/04/2002EP1236979A1 System for indicating the level of fuel in a fuel tank
09/04/2002EP1236024A1 Method and device for measuring the through flow of gases and liquids
09/03/2002US6445605 Circuit for programming antifuse bits
08/2002
08/29/2002WO2002066935A1 A flow meter module for a controller
08/29/2002WO2000034744A9 Adjustable bandwidth filter for process variable transmitter
08/29/2002US20020118105 System for indicating the level of fuel contained in the tank of a motor vehicle
08/29/2002US20020117009 Flowmeter fault detection
08/29/2002US20020116994 Method and apparatus for determining a zero gas flow state in a bidirectional gas flow conduit
08/29/2002CA2842607A1 A flow meter module for a controller
08/29/2002CA2405717A1 A flow meter module for a controller
08/22/2002WO2002065064A1 Method and system for tank volume determination
08/22/2002US20020112525 Measuring instrument, and method for testing the measuring operation of a measuring instrument
08/20/2002US6435207 Flow regulation fitting
08/20/2002CA2142740E Arrangement for measuring the level of contents in a container
08/15/2002US20020108453 Controller for monitoring fluid flow volume
08/15/2002US20020108452 Flow meter module for a controller
08/14/2002CN2505843Y Multi function comprehensive testing and controlling board
08/08/2002WO2002061513A1 Method for determining and representing an optimal arrangement and installation of a radiometric measuring system
08/07/2002EP1228779A1 Method and apparatus for determining a zero gas flow state in a bidirectional gas flow conduit
08/06/2002US6427517 Low friction piston for gas flow calibration systems
08/01/2002US20020101373 Measurment system and method
07/2002
07/25/2002US20020095972 Low friction piston for gas flow calibration systems
07/24/2002EP0894246B1 Method for detecting water meter malfunction, calculating the duration thereof, and device for implementing same
07/18/2002US20020095240 Method and device for separating samples from a liquid
07/17/2002EP1223415A2 Apparatus for calibration of multi-channel pipettes by an apparatus for transport of containers to a measuring device
07/11/2002US20020088269 Method and apparatus for measuring the size of drops of a viscous material dispensed from a dispensing system
07/11/2002DE10100984A1 Device for gravimetrically calibrating multiple channel pipettes comprises balance, holder for vessels, transporting unit for transporting holder to receiver, and units for transferring vessels to receiver
07/10/2002EP1221594A2 Built-in test procedure for non-intrusive ultrasonic level sensing
07/10/2002EP1221341A1 Method and device for the determination of the volume of a liquid sample
07/04/2002US20020083766 Built-in test procedure for non-intrusive ultrasonic level sensing
07/04/2002US20020083757 Coriolis effect transducer
07/04/2002DE10064738A1 Meßgerät und Verfahren zur Prüfung des Meßbetriebs eines Meßgeräts Measuring device and method for testing of the measuring operation of a meter
07/02/2002US6412352 Method and apparatus for measuring the mass flow rate of a fluid
07/02/2002US6412328 Method and apparatus for measuring the size of drops of a viscous material dispensed from a dispensing system
06/2002
06/26/2002EP1217337A2 Method for testing the functioning of a flow measurement device
06/25/2002US6408674 Pressure activated calibration system for chemical sensors
06/20/2002US20020076818 Apparatus for monitoring activity of preferential compounds in liquids; obtain liquid, screen liquid for preferenial chemical intermediates, ampliy preferential compounds, evaluate accuracy
06/13/2002WO2002046707A1 Low friction piston for gas flow calibration systems
06/06/2002WO2002044657A2 Method for detecting faulty liquid level sensors
06/06/2002DE10058815A1 Changeover device in hydrodynamic throughflow measurement device calibration device has control computer converting separation edge speed profile into servomotor control parameters
06/06/2002DE10058813A1 Adjustable rectangular nozzle in hydrodynamic throughflow measurement device calibration device has pivoting wall bodies with axial notches near pivot axis and strengthening material
06/06/2002CA2430079A1 Method and system for detecting and cross-checking faulty sensors in liquid level indicators and controllers
06/04/2002US6397668 Fuel level monitor
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