| Patents for G01F 1 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow (42,661) |
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| 03/09/1999 | US5880378 Critical flow venturi with variable and continuous range |
| 03/09/1999 | US5880377 Method for low velocity measurement of fluid flow |
| 03/09/1999 | US5880376 Electromagnetic flowmeter |
| 03/09/1999 | US5880375 Apparatus and method for measuring multi-phase flow |
| 03/09/1999 | US5880366 Flow sensor apparatus installed in a fluid path |
| 03/09/1999 | US5880365 Thermal mass flow sensor |
| 03/09/1999 | US5879082 Dual element temperature sensing probe using a mathematical model of heat transfer along the probe and method therefor |
| 03/04/1999 | WO1999010712A1 A method and apparatus for measuring oil effluent flow rates |
| 03/04/1999 | WO1999010069A1 Water purification system with indicating flowmeter |
| 03/04/1999 | DE19737974A1 Waste water flocculation |
| 03/03/1999 | CN2309562Y Displacement gas flow sensor |
| 03/02/1999 | US5877624 Contactless rotational speed measurement arrangement utilizing radically aligned rotating magnets |
| 03/02/1999 | US5877430 Pressure measuring system for gas flow meter |
| 03/02/1999 | US5877429 Flow meter |
| 03/02/1999 | US5877417 Flow meter |
| 03/02/1999 | US5877416 Anemometer employing standing wave normal to fluid flow and travelling wave normal to standing wave |
| 03/02/1999 | US5875817 Digital gas metering system using tri-stable and bi-stable solenoids |
| 03/02/1999 | US5875675 Apparatus for the measurement of liquid flow |
| 02/25/1999 | WO1999009388A2 Method and apparatus for real time gas analysis and medical fluids monitoring |
| 02/25/1999 | WO1999009378A1 Device for measuring the volume of a medium flowing in a conduit |
| 02/25/1999 | WO1999009376A1 Flowmeter |
| 02/25/1999 | WO1999009324A1 Orifice for pressure type flow rate control unit and process for manufacturing orifice |
| 02/25/1999 | WO1999008745A1 Method and apparatus for measuring flow rate and controlling delivered volume of fluid flow through a valve aperture |
| 02/25/1999 | DE19736018A1 Arrangement for determining flow fields of a fluid medium |
| 02/25/1999 | DE19735891A1 Device for measuring mass of medium flowing in pipe, especially air in IC engine induction system |
| 02/25/1999 | DE19735723A1 Device to determine mass flow of fluid, especially gas, in pipe |
| 02/25/1999 | CA2299531A1 Method and apparatus for real time gas analysis |
| 02/24/1999 | EP0898152A1 Method for controlling the sample frequency of a sampler for detecting the rotational speed and the direction of rotation of a turbine in a flowmeter and a flowmeter applying the method |
| 02/24/1999 | CN2308882Y Piezoelectric component detecting vortex street flowmeter |
| 02/24/1999 | CN2308881Y Orifice plate measuring feedback device |
| 02/23/1999 | US5873835 For measuring blood pressure and flow |
| 02/18/1999 | WO1999007456A1 Flowmeter system useable with water treatment device |
| 02/18/1999 | DE19735666A1 Mass flux sensor, to monitor for holes in thin substrate, e.g. pipe wall |
| 02/18/1999 | DE19732605A1 Determining mass flow according to Coriolis principle |
| 02/18/1999 | DE19725717A1 Ultrasonic transducer for a liquid flowmeter |
| 02/17/1999 | EP0897102A1 Ultrasonic flowmeter |
| 02/17/1999 | EP0897101A1 Ultrasonic flowmeter |
| 02/17/1999 | EP0896671A1 Apparatus for measuring a gas value |
| 02/17/1999 | CN2308077Y Rotary powder material flowmeter |
| 02/17/1999 | CN2308076Y Rotameter with glass cone pipe |
| 02/17/1999 | CN1208044A Method for controlling gas-velocity in gas-phase polymerization vessel and process for gas-phase polymerization |
| 02/16/1999 | US5872320 Force transducer with co-planar strain gauges |
| 02/16/1999 | US5872317 Method for measuring wall shear stress due to fluid flow in piping systems |
| 02/16/1999 | US5871397 Grain monitor |
| 02/11/1999 | WO1999006800A1 Gasmeter |
| 02/11/1999 | DE19730034A1 Determination of fluid extraction from a storage vessel and process equipment |
| 02/10/1999 | EP0896207A1 Rotation detector for a flowmeter and a flowmeter with a rotation detector |
| 02/10/1999 | EP0895582A1 Differential pressure device |
| 02/10/1999 | EP0895581A1 Signal processing apparati and methods for attenuating shifts in zero intercept attributable to a changing boundary condition in a coriolis mass flow meter |
| 02/10/1999 | EP0895580A1 Electromagnetic flowmeters |
| 02/10/1999 | EP0775307B1 Method and apparatus for detecting the condition of the flow of liquid metal in and from a teeming vessel |
| 02/10/1999 | CN1207495A Measure driving apparatus and measure signal generating apparatus using wave of inclined rotor |
| 02/09/1999 | US5870695 For use in a process control system |
| 02/09/1999 | US5869772 For use in a conduit defining a fluid flow path |
| 02/09/1999 | US5869771 Multi-phase fluid flow measurement apparatus and method |
| 02/09/1999 | US5869770 For measuring mass flow of flowing fluid through a vibrating pipe |
| 02/09/1999 | US5869758 Method and apparatus for measuring the flow rate of a medium flow |
| 02/09/1999 | US5868159 Pressure-based mass flow controller |
| 02/09/1999 | US5868155 Valve manifold system |
| 02/09/1999 | US5868133 Portable drag compressor powered mechanical ventilator |
| 02/09/1999 | US5867884 Method for producing a sensor for measuring the mass of a flowing medium |
| 02/07/1999 | CA2242077A1 Precalibrated flow meter |
| 02/04/1999 | WO1999005482A1 Reduction in overall size, weight and extension of dynamic range of fluid metering systems |
| 02/04/1999 | WO1999005480A1 Multiple resistive sensors for a coriolis effect mass flowmeter |
| 02/04/1999 | WO1999005479A1 Velocity measurement |
| 02/04/1999 | WO1999005478A2 Flow measurement mandrel |
| 02/04/1999 | DE19828629A1 Thermal air quantity meter for internal combustion engine air induction system |
| 02/04/1999 | DE19751101A1 Heat=sensitive flow rate measurement element for flow rate sensor |
| 02/04/1999 | DE19733630A1 Medical diagnosis urine flow and volume measuring sensor |
| 02/04/1999 | DE19728612A1 Verfahren zur Bestimmung der in einer Zweiphasenströmung mit gasförmigem Trägermedium enthaltenen Menge festen und/oder flüssigen Materials A method for determining the amount contained in a two-phase flow with a gaseous carrier medium solid and / or liquid material |
| 02/04/1999 | DE19727960A1 System for timed high resolution measuring of volume flows of gaseous medium in pipe |
| 02/04/1999 | DE19726864A1 System for measuring exhaust air volume flow in flue |
| 02/04/1999 | CA2297250A1 Reduction in overall size, weight and extension of dynamic range of fluid metering systems |
| 02/03/1999 | EP0895066A1 Electromegnetic flow sensor and assembly method |
| 02/03/1999 | EP0894246A1 Method for detecting water meter malfunction, calculating the duration thereof, and device for implementing same |
| 02/03/1999 | EP0894245A1 Method of monitoring three phase fluid flow in tubulars |
| 02/03/1999 | EP0647313B1 Variable area flowmeter |
| 02/03/1999 | CN2306484Y Fuzzy controlled intelligent card safety gas-meter |
| 02/02/1999 | USRE36069 Portable wastewater flow meter |
| 02/02/1999 | US5866824 For measuring the volume of a stream of gas flowing |
| 02/02/1999 | US5866823 Commutating electrode magnetic flowmeter |
| 02/02/1999 | US5866803 Gas leakage detection system |
| 02/02/1999 | US5866802 Piping leakage detecting apparatus |
| 02/02/1999 | US5865871 Laser-based forward scatter liquid flow meter |
| 02/02/1999 | US5865749 Blood flow meter apparatus and method of use |
| 02/02/1999 | US5865168 System and method for transient response and accuracy enhancement for sensors with known transfer characteristics |
| 02/02/1999 | CA2103254C Apparatus and method for measuring two or three phase fluid flow utilizing one or more momentum flow meters and a volumetric flow meter |
| 01/28/1999 | DE19746692A1 Flow rate measurement element for volumetric flow sensor |
| 01/28/1999 | DE19725806A1 Rotation sensor, e.g. for battery-powered water meter |
| 01/28/1999 | CA2242259A1 Flow meter |
| 01/27/1999 | EP0893673A1 Gas flow rate sensor and breathing assisting device using such a sensor |
| 01/27/1999 | EP0892913A1 Device for measuring the mass of a fluid element |
| 01/27/1999 | EP0892912A1 Device for measuring the state variable of particles |
| 01/27/1999 | EP0864076A4 Improved fluid pressure measuring system for control valves |
| 01/27/1999 | EP0734510B1 Method and device for monitoring changes in the current value of a fluid flow rate in a fluid meter |
| 01/27/1999 | EP0668992B1 Coriolis mass flow sensor with helical measurement tube |
| 01/27/1999 | EP0591368B1 Mode suppression in fluid flow measurement |
| 01/27/1999 | CN2305656Y Gas meter for multiple users |
| 01/27/1999 | CN1206106A Electrically isolated interface for fluid meter |
| 01/26/1999 | US5864239 In a powder particle/gas mixture |