| 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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| 04/18/2001 | EP1092473A2 Device for gravimetric testing of multichannel pipettes |
| 04/12/2001 | DE10012309A1 Thermal heat flux measurement device for flow rate measurement has a flow rate adjustment stage comprising an array of resistances and fuses, where the fuses are burnt out to set the correct operating range. |
| 04/11/2001 | EP1091199A1 Method for functional testing of a limit switch |
| 04/11/2001 | EP1091197A2 Device for the continuous measurement of the dynamic fuel consumption of a consumer |
| 04/05/2001 | DE10047667A1 Low power radar device for measuring level of liquid comprises probe with base plate and transceiver connected to probe which generates microwave pulse, part of which is reflected from base plate and part from surface of liquid |
| 03/29/2001 | WO2001022042A1 Method for the division of tanks and device therefor |
| 03/28/2001 | CN1289408A System for validating calibration of a coriolis flowmeter |
| 03/27/2001 | US6205854 Heat-sensitive type flow sensor |
| 03/27/2001 | CA2320435A1 Low power radar level instrument with enhanced diagnostics |
| 03/20/2001 | US6205409 Predictive failure monitoring system for a mass flow controller |
| 03/15/2001 | WO2001018496A2 Several gas flow measuring devices and signal processing methods |
| 03/15/2001 | CA2422398A1 Several gas flow measuring devices and signal processing methods |
| 03/07/2001 | EP1081472A2 Non-iterative method for obtaining mass flow rate |
| 02/20/2001 | US6189377 Device for measuring hydraulic flow quantities and leaks in a specimen |
| 02/13/2001 | US6185983 Method and apparatus for automatically determining zero setting of impeller-type mass flow rate-measuring device when flow is absent |
| 02/08/2001 | DE10030628A1 Flüssigkeitsstand-Meßsystem Liquid level measuring system |
| 02/01/2001 | WO2001007875A1 Coriolis effect transducer |
| 01/31/2001 | EP1072968A2 Method to produce devices to control the level or volume of water for domestic appliances and control devices thus obtained |
| 01/23/2001 | US6176274 Method and system for measuring fluid volume in a photolithography track |
| 01/18/2001 | WO2001004586A1 Method and apparatus for monitoring operational performance of fluid storage systems |
| 01/16/2001 | US6173864 Viscous material dispensing system and method with feedback control |
| 01/03/2001 | CN1278909A Liquid level detector |
| 12/20/2000 | EP1061346A2 Testing device for a flow detector |
| 11/28/2000 | US6152177 Method and apparatus for auto-zeroing a flow sensor |
| 11/22/2000 | CN2407337Y Online calibrator for gas meter |
| 11/16/2000 | WO2000068649A1 Flow rate measuring device |
| 11/15/2000 | EP1051597A1 System for validating calibration of a coriolis flowmeter |
| 11/09/2000 | DE19920393A1 Anordnung zum Bestimmen eines Volumens eines Gasstroms Means for determining a volume of a gas stream |
| 11/08/2000 | EP1050747A2 Device for determining a volume of a gas stream |
| 11/02/2000 | WO2000065316A1 Viscous material dispensing system and method with feedback control |
| 11/02/2000 | DE19917268A1 Verfahren zum Überprüfen eines elektromagnetischen Durchflußmessers und elektromagnetische Durchflußmesseranordnung A method for checking an electromagnetic flowmeter electromagnetic flowmeter and |
| 11/02/2000 | DE19917261A1 Elektromagnetische Durchflußmesseranordnung Electromagnetic flowmeter |
| 10/31/2000 | US6138518 Mass flow measurement |
| 10/25/2000 | EP1046864A2 Venturi meter with calibration pin for gas boilers with sealed combustion chamber |
| 10/18/2000 | EP1045246A1 Evaluation and regulation of the thermal power of a stream of combustible gas, and characterization of thermal mass flowmeter |
| 10/18/2000 | CN2401878Y Self-setting medicine adding device |
| 10/12/2000 | WO2000060320A1 Pressure activated calibration system for chemical sensors |
| 10/05/2000 | WO2000058696A1 Flowmeter calibration system with statistical optimization technique |
| 10/04/2000 | EP1040324A1 Liquid level detector |
| 10/04/2000 | CN1269011A Method for dry-calibrating vortex flow sensors |
| 09/28/2000 | WO2000057138A1 Method and apparatus for measuring the mass flow rate of a fluid |
| 09/27/2000 | EP1038160A1 Method and device for the self-compensating measurement of volume flow rate of gases |
| 09/05/2000 | US6112588 Method and apparatus for measuring the size of drops of a viscous material dispensed from a dispensing system |
| 08/24/2000 | WO2000049373A1 Water meter |
| 07/25/2000 | US6092409 System for validating calibration of a coriolis flowmeter |
| 07/19/2000 | EP1019683A1 Method and apparatus for calibration |
| 07/04/2000 | US6082169 Method for detecting water meter malfunction, calculating the duration thereof, and device for implementing same |
| 06/28/2000 | EP1012544A1 Device and method for checking supply meters, specially water meters in houses and apartments |
| 06/28/2000 | CN1258349A Overfill compensation for batch delivery system |
| 06/21/2000 | DE19857329A1 Method of testing and calibrating a mass flow meter e.g. in flow-line of IC-engine |
| 06/15/2000 | WO2000034744A1 Adjustable bandwidth filter for process variable transmitter |
| 06/14/2000 | CN1256404A Liquid level measuring instrument and its error compensation method |
| 06/07/2000 | CN2382010Y Level signal device with calibrator on site |
| 05/23/2000 | US6065940 Diaphragm dosing pump |
| 05/23/2000 | CA2202293C Thermal mass flowmeter and mass flow controller, flowmetering system and method |
| 05/03/2000 | EP0997643A1 Diaphragm metering pump |
| 05/03/2000 | EP0996850A1 Method for dry-calibrating vortex flow sensors |
| 05/02/2000 | US6055846 Method and apparatus for in situ calibration of gas flowmeters |
| 04/27/2000 | DE19950146A1 Airflow sensor calibration system, for use in reciprocating combustion engines, uses a condition sensor to measure the status of an EGR engine and compares this to the signal value of the airflow sensor to calibrate it |
| 04/11/2000 | US6047598 Arrangement for measuring the level of contents in a container |
| 04/11/2000 | CA2188414C Continuous particulate emissions monitor calibrator |
| 03/16/2000 | DE19841776A1 Calibrating arrangement for calibrating gas measuring instruments uses compared values during operation of gas measuring instruments |
| 03/15/2000 | EP0985136A1 Overfill compensation for a batch delivery system |
| 03/15/2000 | EP0658247B1 Liquid volume measuring apparatus |
| 03/14/2000 | CA2192219C Smart flowmeter pre-amplifier |
| 03/14/2000 | CA2188910C Method for calibration in level measurement |
| 03/14/2000 | CA2023317C Calibrating process for a pulse responsive flowmeter |
| 03/09/2000 | WO2000012973A1 System and method for calibrating a sensor |
| 03/02/2000 | WO2000011437A1 Device for measuring the volume of liquid in a container |
| 03/02/2000 | CA2339831A1 Device for measuring the volume of liquid in a container |
| 03/01/2000 | EP0982568A1 Closed loop calibrator and process of calibrating a liquid metering device in a closed atmosphere |
| 02/29/2000 | US6029514 Device for measuring the volume of liquid in a container |
| 02/24/2000 | WO2000009767A1 Tapered probe for mold level control |
| 02/23/2000 | EP0980508A2 Method and device for detecting and compensating zero point influences on coriolis-type mass flowmeters |
| 02/23/2000 | CN2365652Y Pipe fluid consumption powerless blocking-up control meter |
| 02/10/2000 | DE19835370A1 Method of functional monitoring of vibration level switches; involves oscillating oscillator at current tuning fork frequency and frequencies of redundant band filters |
| 02/02/2000 | EP0977021A1 Method for measuring a fluid flow in a flow channel |
| 02/02/2000 | CN1243095A Fuel-oil supply apparatus |
| 01/26/2000 | CN1242513A Process control machine pulsed insertion plate |
| 01/25/2000 | US6016697 Capacitive level sensor and control system |
| 01/18/2000 | US6014902 Magnetic flowmeter with diagnostics |
| 01/18/2000 | CA2159113C Method and arrangement for determining and/or monitoring a predetermined level of material in a container |
| 01/12/2000 | EP0529053B1 Delivery of aerosol medications for inspiration |
| 01/12/2000 | CN1241271A Fitting for regulating flow in pipelines |
| 01/11/2000 | US6012323 Automatic calibration check arrangement in a measuring device |
| 01/04/2000 | US6009763 Flow sensor and impeller therefor |
| 12/30/1999 | DE19845116C1 Level measurement method for monitoring industrial processes |
| 12/29/1999 | WO1999067594A1 Method and apparatus for measuring the size of drops of a viscous material dispensed from a dispensing system |
| 12/16/1999 | DE19855870A1 Heat sensitive type flow sensor including flow amount detection unit to produce voltage at level which indicates through flow amount |
| 12/16/1999 | DE19824098A1 System for producing fluid flow with specifiable volume or mass flow amount |
| 12/08/1999 | EP0962749A1 Method for dry calibration of vortex flowmeters |
| 12/01/1999 | EP0961106A1 Device for measuring the filling-level of a container |
| 11/25/1999 | WO1999060342A1 Method for dry-calibrating vortex flow sensors |
| 11/23/1999 | USRE36401 Tandem rotor turbine meter and field calibration module |
| 11/16/1999 | US5983700 Calibration method of a flow sensor output |
| 11/02/1999 | US5975747 Overfill compensation for a batch delivery system |
| 11/02/1999 | US5975126 Method and apparatus for detecting and controlling mass flow |
| 10/27/1999 | EP0952433A1 Fluid level sensing system for a blood reservoir |
| 10/13/1999 | CN1045658C Detecting method having automatic self-testing function and ultrasonic detector thereof |
| 10/12/1999 | US5965800 Method of calibrating an ultrasonic flow meter |