| Patents for G01F 3 - Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow (2,299) |
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| 11/25/1999 | WO1999060346A1 Method for making a gas meter and gas meter obtained by said method |
| 11/25/1999 | CA2332288A1 A method of manufacturing a gas meter and a gas meter manufactured by such a method |
| 11/25/1999 | CA2332233A1 A gas meter provided with improved guide means |
| 11/24/1999 | EP0959330A2 Transmitting system for a positive displacement flowmeter |
| 11/24/1999 | CN2350734Y Non-return tap water flowmeter with check valve |
| 11/17/1999 | EP0956491A1 Device for measuring the volume of flowing substance and corresponding method |
| 11/10/1999 | CN1234864A Gas meter with improved resistance to dust |
| 11/03/1999 | CN1233749A Method of metering liquid additive into liquid silicon-containing material |
| 10/26/1999 | US5970791 Rotary meter having flow conditioning chambers for pressure pulse reduction |
| 09/29/1999 | EP0945171A2 Method of metering a liquid additive into a liquid silicon-containing material |
| 09/27/1999 | CA2266937A1 Method of metering a liquid additive into a liquid silicon-containing material |
| 09/23/1999 | WO1999047854A1 Method and device for measuring the reject water flow in a steam generator |
| 09/23/1999 | DE19816590A1 Measurement system for measuring and detecting the volume flow at at least two measurement or load points |
| 09/01/1999 | EP0938650A1 Method and apparatus for volume determination |
| 08/19/1999 | CA2225441A1 Portable milk flow rate detector |
| 08/18/1999 | EP0610418B1 Method for liquid flow measuring and apparatus to practise this method |
| 08/11/1999 | EP0935125A1 Measuring device for measuring the flow of a gas or liquid |
| 08/11/1999 | EP0934508A1 Gas meter with improved resistance to dust |
| 08/11/1999 | CN1225447A Passive instantaneous flowmeter |
| 08/06/1999 | CA2260939A1 Measuring device for measuring the flow of a gas or liquid |
| 07/29/1999 | DE19800636C1 Spin finish application to melt spun filaments arranged in a circle |
| 07/21/1999 | CN1223309A Apparatus for cooling and preparation of meltspun fibers |
| 06/29/1999 | US5915932 Peristaltic pump having a roller support |
| 06/23/1999 | CN2325763Y Portable device for measuring the volume flow of oil fuel |
| 06/09/1999 | EP0921378A2 Method for localising errors in a flow meter |
| 05/06/1999 | DE19751061C1 Dual meter mechanism for rotary piston gas meter |
| 05/04/1999 | US5899665 Method and apparatus for controlling infusion volume |
| 04/29/1999 | WO1999021031A1 Optical flowmeter |
| 04/28/1999 | EP0910809A1 Rain gauge |
| 04/20/1999 | US5895847 Apparatus for generating signal pulses |
| 03/24/1999 | CN2311759Y High-pressure watermeter |
| 03/24/1999 | CN2311758Y Segment plug generator and oil, gas and liquid three-phase flow measuring unit using the same |
| 02/24/1999 | EP0608301B2 Volumetric metering equipment |
| 02/24/1999 | CN2308883Y Interruption flowmeter |
| 02/16/1999 | US5872305 Method for preparing a test gas stream |
| 02/10/1999 | CN1207495A Measure driving apparatus and measure signal generating apparatus using wave of inclined rotor |
| 02/07/1999 | CA2242077A1 Precalibrated flow meter |
| 02/03/1999 | EP0895067A1 Ring piston flow meter |
| 02/02/1999 | US5866802 Piping leakage detecting apparatus |
| 01/27/1999 | CN2305657Y Automatic meter for powder material |
| 01/20/1999 | EP0892253A1 Ring piston flowmeter |
| 01/13/1999 | EP0890737A2 Electromagnetically controlled measuring apparatus for volumetrically measuring injection quantities of a fuel injection pump |
| 01/07/1999 | WO1998045205A3 Microvolume liquid handling system |
| 01/05/1999 | US5856200 Method and device for metering liquids |
| 11/26/1998 | DE19716897C1 Dosing unit for fluids |
| 11/25/1998 | CN2298504Y Oxygen uptake flow indicating instrument |
| 11/19/1998 | DE19730931C1 Volumetric flow sensor with linear characteristic |
| 11/18/1998 | CN1040786C 叶片机 Blade machine |
| 11/10/1998 | US5835372 Integrated fluid flow evaluation apparatus and method |
| 11/10/1998 | US5832948 Liquid transfer system |
| 11/05/1998 | WO1998049530A1 Multiple fluid meter assembly |
| 11/03/1998 | US5831174 Pump station flowmeter |
| 10/20/1998 | US5824896 Measure driving apparatus and measure signal generating apparatus of non-contact system, using wave of inclined rotor |
| 10/15/1998 | WO1998045205A2 Microvolume liquid handling system |
| 10/13/1998 | CA2134167C Flowmeter measuring chamber and control bearing therefor |
| 10/01/1998 | WO1998043098A1 Method and device for detecting gas and liquid volumes using volumeters |
| 10/01/1998 | DE19714351A1 Verfahren und Vorrichtung zum Erfassen von Gas- und Flüssigkeitsvolumina mit Volumenzählern Method and apparatus for detecting gas and liquid volumes with volume meters |
| 09/23/1998 | CN1194031A Single jet liquid meter with improved motor torque |
| 09/22/1998 | US5811676 Multiple fluid meter assembly |
| 09/16/1998 | EP0828437A4 Multidie positive displacement metering apparatus and process |
| 09/15/1998 | US5808196 Blocking rotor and housing for flow meter |
| 09/10/1998 | DE19729892C1 Electromagnetically controlled measurement device for vol. measurement of injected quantities of e.g. diesel fuel injection pump |
| 08/27/1998 | DE19730605C1 Cylindrical piston water meter |
| 08/19/1998 | EP0858585A1 Flow meter |
| 08/19/1998 | EP0858349A1 Optical dose measurements in syringes |
| 08/12/1998 | CN2287716Y Multifunctional band tape |
| 08/11/1998 | US5792964 Milking system including a milk quantity meter |
| 08/11/1998 | US5792117 Apparatus for optically determining and electronically recording injection doses in syringes |
| 07/30/1998 | WO1998033042A1 Device for measuring the volume of flowing substance and corresponding method |
| 07/30/1998 | DE19703243A1 Vorrichtung zur Volumenmessung strömender Medien sowie entsprechendes Verfahren Apparatus for measuring the volume of flowing media and corresponding method |
| 07/21/1998 | US5782814 Apparatus for determining and recording injection doses in syringes using electrical inductance |
| 07/08/1998 | EP0852001A1 Improved fluid meter comprising a repulsive magnetic drive |
| 07/02/1998 | WO1998028545A1 Liquid transfer system |
| 07/02/1998 | CA2275252A1 Liquid transfer system |
| 06/30/1998 | US5773718 Device for measuring liquid volume of the cylindrical piston meter type |
| 06/24/1998 | CN2284945Y Fluid flow monitor |
| 06/17/1998 | EP0848236A1 Measuring device provided with rotary pistons |
| 06/12/1998 | CA2223320A1 Measuring device provided with rotary pistons |
| 05/20/1998 | EP0842398A1 Single jet liquide meter with improved motor torque |
| 05/20/1998 | DE19647835A1 Volumetric flow measurement method e.g. for medical infusion control |
| 05/20/1998 | CN1182206A Piston-type flowmeter |
| 05/07/1998 | WO1998019137A1 Gas meter with improved resistance to dust |
| 05/07/1998 | CA2268790A1 Gas meter with improved resistance to dust |
| 04/30/1998 | DE19644536A1 Apparatus for generating defined convection currents in flowing liquids, especially in haemo-dialysis equipment |
| 04/21/1998 | US5742523 Method and device for supplying gas under pressure |
| 04/21/1998 | US5741977 High void fraction multi-phase fluid flow meter |
| 03/18/1998 | EP0828437A1 Multidie positive displacement metering apparatus and process |
| 03/17/1998 | US5728949 Fluid flow rate measuring circuit |
| 03/17/1998 | US5727933 Pump and flow sensor combination |
| 03/12/1998 | WO1998009912A1 Liquid feeding and measuring device |
| 03/12/1998 | DE19636522A1 Flüssigkeitsförder- und -meßvorrichtung Fluid handling and measuring device |
| 03/03/1998 | US5723783 Acoustic displacement flowmeter |
| 02/24/1998 | US5720733 Apparatus for determining and recording injection doses in syringes using electrical capacitance measurements |
| 02/24/1998 | US5720236 Milk meter |
| 02/19/1998 | DE19632896A1 Trommelgaszähler mit Schrägrohr-Pegelstandsanzeiger Drum gas meter with helical tube water level indicator |
| 02/11/1998 | CN1172946A Fluid meter including counter held by resillent member |
| 02/04/1998 | EP0822402A2 Method of conditioning a stream of measurement gas |
| 01/29/1998 | WO1998003215A1 Optical dose measurements in syringes |
| 01/21/1998 | EP0559800B1 Pump controller using acoustic spectral analysis |
| 01/15/1998 | WO1998001775A1 Rain gauge |