| 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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| 10/06/1999 | EP0946910A1 Flow regulation fitting |
| 09/28/1999 | US5957330 Bottle top dispenser |
| 09/23/1999 | DE19837594C1 Test method for filling level of hot cells containing radioactive material |
| 09/15/1999 | EP0771407B1 On-site calibration device and method for nonlinearity correction for flow sensor/transmitter |
| 09/09/1999 | DE19817995C1 Filling level monitoring device for blood reservoir for medical transfusion apparatus |
| 09/01/1999 | EP0938650A1 Method and apparatus for volume determination |
| 08/31/1999 | US5945591 Digital differential pressure gage and flow meter implementing signal difference processor |
| 08/31/1999 | US5944048 Method and apparatus for detecting and controlling mass flow |
| 08/11/1999 | CN2333002Y Gas meter calibration equipment |
| 08/05/1999 | WO1999039164A1 System for validating calibration of a coriolis flowmeter |
| 08/03/1999 | US5932812 Method and devices use in flow measurement |
| 07/27/1999 | US5929314 Method and apparatus for volume determination |
| 07/20/1999 | US5925829 Method and apparatus for determining a rate of flow of gas by a rate of change of pressure |
| 06/29/1999 | US5918193 Clonable measurement display instrument |
| 06/17/1999 | WO1999030118A1 Method and device for checking and calibrating level gauges and switches |
| 06/16/1999 | EP0922202A1 Device for measuring hydraulic discharge volumes and leakages in a test piece |
| 06/15/1999 | US5911238 For use in a manufacturing process |
| 06/09/1999 | EP0921378A2 Method for localising errors in a flow meter |
| 06/09/1999 | EP0754292B1 Process for checking the tolerance of measured values |
| 05/25/1999 | US5907104 Signal processing and field proving methods and circuits for a coriolis mass flow meter |
| 05/20/1999 | WO1999024793A1 Liquid level detector |
| 05/19/1999 | CN1217055A Method for calibrating flow measuring system |
| 05/12/1999 | EP0915324A2 Magnetic flowmeter |
| 05/12/1999 | CN2318620Y Calibrater for liquid flow of motor vehicle |
| 05/04/1999 | CA2252257A1 Magnetic flowmeter with diagnostics |
| 04/22/1999 | WO1999019696A1 Device and method for calibrating hydraulic flow-rate measuring systems |
| 04/21/1999 | EP0861423A4 System for measuring a gas mass flow |
| 04/20/1999 | US5895864 Magnetic flowmeter with empty tube detection |
| 04/20/1999 | US5895863 Smart flowmeter pre-amplifier |
| 04/15/1999 | DE19744358A1 Device for calibrating hydraulic flow measurement systems |
| 04/01/1999 | DE19844072A1 Membrane dispensing pump for reproducible dispensing of liquid media in small or medium quantities |
| 03/23/1999 | US5886642 Tank barge interface |
| 03/23/1999 | CA2102625C Method and apparatus for calibrating a multiple port pump |
| 03/18/1999 | WO1998052000A3 Method and device for detecting and compensating zero point influences on coriolis-type mass flowmeters |
| 03/09/1999 | US5880480 Optical liquid level sensor including built-in test circuitry |
| 02/07/1999 | CA2242077A1 Precalibrated flow meter |
| 02/03/1999 | EP0894246A1 Method for detecting water meter malfunction, calculating the duration thereof, and device for implementing same |
| 02/02/1999 | US5865168 System and method for transient response and accuracy enhancement for sensors with known transfer characteristics |
| 01/20/1999 | EP0741895A4 Hydraulic fluid lead detection system and method |
| 01/13/1999 | EP0890828A1 Method and apparatus for detecting and controlling mass flow |
| 12/24/1998 | DE19725672A1 Fill-level determination for fluid reservoir in vehicle |
| 12/23/1998 | CN1041350C Electromagnetic flow meter |
| 12/10/1998 | DE19724116A1 Device for correcting errors from flow=through measuring device |
| 12/03/1998 | WO1998054553A1 Overfill compensation for a batch delivery system |
| 12/02/1998 | EP0880681A1 Method and devices used in flow measurement |
| 11/24/1998 | CA2125741C Method and apparatus for testing overfill protection devices |
| 11/19/1998 | WO1998052000A2 Method and device for detecting and compensating zero point influences on coriolis-type mass flowmeters |
| 11/19/1998 | DE19720316A1 Test bench for water meters |
| 11/19/1998 | DE19719587A1 Verfahren und Einrichtung zur Erkennung und Kompensation von Nullpunkteinflüssen auf Coriolis-Massedurchflußmesser Method and apparatus for detection and compensation of zero influences on Coriolis mass flow meters |
| 11/17/1998 | US5837892 Method and apparatus for measuring the size of drops of a viscous material dispensed from a dispensing system |
| 11/11/1998 | EP0792441A4 Self-calibrating open-channel flowmeter |
| 11/03/1998 | US5831176 Fluid flow measurement assembly |
| 10/29/1998 | WO1998048249A1 Device and method for checking supply meters, specially water meters in houses and apartments |
| 10/29/1998 | DE19717128A1 Vorrichtung und Verfahren zur Prüfung von Verbrauchszählern, insbesondere von Hauswasserzählern und Wohnungswasserzählern Apparatus and method for testing of meters, in particular domestic water meters and water meters apartment |
| 10/28/1998 | EP0688423B1 Improvements in or relating to measurement of fluid flow velocity |
| 10/27/1998 | US5828712 Coolant water flow rate test with rubidium nuclear tracer for reactors |
| 10/27/1998 | US5827943 Method for calibration in level measurement |
| 10/27/1998 | US5826570 Hand held device for delivering aerosolized medication to a patient |
| 10/20/1998 | US5824879 Method of calibrating an ultrasonic flow meter |
| 10/06/1998 | US5816448 Dosing device and system for accurate dosing of fluids |
| 09/30/1998 | EP0733232B1 Fluid dosing arrangement and beverage dispensing system provided with such a dosing arrangement |
| 09/29/1998 | US5813397 Delivery of aerosol medication for inspiration |
| 09/23/1998 | EP0866318A1 Automatic calibration check arrangement in a measuring device |
| 09/17/1998 | WO1998040700A1 Device for measuring hydraulic discharge volumes and leakages in a test piece |
| 09/15/1998 | US5808242 Electromagnetic flow rate measuring apparatus and method for compensating the measured flow rate |
| 09/15/1998 | US5808188 Flowbench and air flow measurement and calibration procedure |
| 09/10/1998 | DE19709422A1 Vorrichtung zur Messung von hydraulischen Durchflußmengen und Leckagen an einem Prüfling Device for measuring hydraulic flow rates and leakages in a test piece |
| 09/02/1998 | EP0861423A1 System for measuring a gas mass flow |
| 08/25/1998 | US5798698 Method of monitoring the level of a liquid in a container |
| 08/25/1998 | US5798466 Flow meter and method of calibrating same |
| 08/13/1998 | DE19704843A1 Method of adjusting level indicator for vehicle storage container |
| 08/12/1998 | EP0857951A1 Zero setting arrangement in a measuring device |
| 08/11/1998 | US5792367 Comprising a computer for calculating the fluid flow rate based on the fluid pressure; medical equipment |
| 08/05/1998 | EP0856723A2 Improvements in or relating to mass flow measurement |
| 08/05/1998 | EP0805958B1 Flow sensor |
| 07/28/1998 | US5785100 Liquid level detection system |
| 07/07/1998 | US5777550 High reliability instrument system |
| 07/02/1998 | WO1998028670A1 Flow regulation fitting |
| 06/30/1998 | CA2149352C Ultrasonic material level measurement |
| 06/16/1998 | CA2117464C Device for measuring a level of material using microwaves |
| 05/28/1998 | WO1998022784A1 Method and device for the self-compensating measurement of volume flow rate of gases |
| 05/20/1998 | EP0843161A1 Dispenser adapted for a bottle |
| 05/20/1998 | DE19647350A1 Verfahren und Vorrichtung zur selbstkompensierenden Messung des Volumendurchflusses von Gasen Method and apparatus for self-compensating measurement of the volumetric flow of gases |
| 05/14/1998 | WO1998020308A1 Method and apparatus for volume determination |
| 05/14/1998 | WO1998020307A1 Method and apparatus for calibration |
| 05/12/1998 | US5750877 Device for and method of calibrating the measurements of a product stream |
| 05/05/1998 | US5748504 Calibration method for use with ultrasonic flowmeters |
| 05/05/1998 | US5747704 Meter for flowing media |
| 04/28/1998 | US5744695 Apparatus to check calibration of mass flow controllers |
| 04/28/1998 | US5743252 Method for releasing controlled amount of aerosol medication |
| 04/28/1998 | US5743134 Method and arrangement for determining and/or monitoring a predetermined level of material in a container |
| 04/08/1998 | EP0834723A1 Thermal mass flowmeter and mass flow controller, flowmetering system and method |
| 03/24/1998 | US5731526 System for displaying the amount of fluid dispensed from a hand-held sprayer |
| 03/18/1998 | EP0828998A1 An apparatus and method for calibrating manifolded tanks |
| 03/17/1998 | US5728932 Of an internal combustion engine |
| 03/17/1998 | US5728928 Calibration method for level sensors with pressure transducer |
| 03/11/1998 | EP0828142A2 Smart flowmeter pre-amplifier |
| 03/10/1998 | US5726358 Method and device for measuring the discharge in partly filled or completely filled ducts and in open channels |
| 02/17/1998 | US5719341 Apparatus for measuring fluid flow velocity by injecting liquified gas |
| 02/12/1998 | WO1997046851A3 Method for calibrating a flow measuring system |