Patents
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)
07/1999
07/22/1999DE19838647A1 Heat sensitive flow measuring element with improved reaction property
07/22/1999DE19813468C1 Sensor component e.g. a temperature sensor or an air or gas flow sensor
07/22/1999CA2317445A1 Friction flowmeter
07/21/1999EP0929797A1 Signal processing and field proving methods and circuits for a coriolis mass flow meter
07/21/1999EP0929796A1 Laser-based forward scatter liquid flow meter
07/21/1999CN2329950Y Three-core cable current meter with thermometer
07/21/1999CN2329949Y Meter for intaking water
07/21/1999CN2329948Y Capacitance-type reading gasometer
07/21/1999CN2329947Y Storage-type electronic flow-meter
07/21/1999CN2329946Y Flow sensor for air quantity change end device
07/21/1999CN2329945Y Single joint meter for pipeline devliering system
07/21/1999CN1223371A Heavy oil flowmeter and measuring method thereof
07/21/1999CN1223309A Apparatus for cooling and preparation of meltspun fibers
07/20/1999US5926096 Method and apparatus for correcting for performance degrading factors in a coriolis-type mass flowmeter
07/20/1999US5925831 Respiratory air flow sensor
07/20/1999US5925830 Electromagnetic flowmeter construction
07/20/1999US5925829 Method and apparatus for determining a rate of flow of gas by a rate of change of pressure
07/20/1999US5925820 Device for measuring the volume of a flowing medium
07/20/1999US5924446 Control apparatus for liquid medium
07/20/1999CA2083482C Apparatus for measuring the flowrate of a fluid
07/15/1999WO1999035480A1 Real-time on-road vehicle exhaust gas modular flowmeter and emissions reporting system
07/15/1999WO1999035470A1 Acoustic particle velocity sensor
07/15/1999DE19800573A1 Unit for measuring mass flow rate of air into engine inlet manifold
07/14/1999EP0928962A1 Exhaust gas measuring instrument
07/14/1999CN2328989Y Anti-magnet sensing water meter
07/14/1999CN2328988Y Digital water meter
07/14/1999CN2328987Y Three curve wing wind measuring device
07/14/1999CN2328986Y Quantitative card box type device for gas meter
07/14/1999CN1222663A Draught amount regulating indicator
07/13/1999US5922970 Vortex flow sensor with a turbulence grid
07/13/1999US5922969 Method and apparatus for measuring the volume of flowing liquids
07/13/1999US5922941 Machine tool with a rotatable supported part
07/08/1999WO1999034453A1 Piezoelectric transducer
07/08/1999WO1999034221A2 Device and method for measuring fluid velocity by determining the time-of-flight of heat pulses
07/08/1999WO1999034198A2 Fluid property and flow sensing via a common frequency generator and fast fourier transformation
07/08/1999WO1999034175A1 Self-oscillating fluid sensor
07/08/1999WO1999034174A1 Electrode integrity checking
07/08/1999WO1999034173A1 Variable orifice flow sensor
07/08/1999WO1999034154A1 Safety device for detecting a flow of fumes inside an exhaust pipe
07/08/1999CA2317134A1 Self-oscillating fluid sensor
07/08/1999CA2316916A1 Fluid property and flow sensing via a common frequency generator and fast fourier transform
07/07/1999EP0927876A2 Compensation of coriolis meter motion induced signal
07/07/1999EP0927875A1 Sensor for a thermal mass flow meter and method of its manufacture
07/07/1999EP0927874A1 Manufacturing method for microthermocouple sensor for a mass flow meter and associated device
07/07/1999EP0927343A1 Sensor resonator operating with acoustic surface waves - surface wave resonator - to be used as a frequency-determining component of an oscillator in a sensor circuit
07/07/1999EP0927338A1 Coriolis flowmeters using fibers and anisotropic material to control selected vibrational flowmeter characteristics
07/07/1999EP0759157B1 Method of detecting particles in a two-phase stream, use of such method and a vacuum cleaner
07/07/1999EP0646234B1 Self-validating sensors
07/07/1999CN2327996Y Vortex trail flow rate sensor with capacitor probe
07/07/1999CN2327995Y Portable electronic flow rate monitor
07/07/1999CN2327994Y Online measuring device for mass flow rate of material
07/07/1999CN2327993Y One way water meter
07/07/1999CN2327992Y Vehicle fuel meter
07/06/1999US5920018 Material transport system
07/01/1999WO1999032236A1 Piezoelectric transducer with a temperature-sensitive component
07/01/1999WO1999015859A3 Gas flow rate measurement apparatus and method
07/01/1999DE19858656A1 Air mass-flow measuring device using heater resistance, for motor vehicle engine
07/01/1999DE19820208A1 Piezoelektrischer Schwinger A piezoelectric vibrator
06/1999
06/30/1999EP0926473A2 Coriolis mass flow meter with two drivers
06/30/1999EP0926472A1 Electromagnetic flowmeter
06/30/1999EP0926471A2 Electromagnetic flowmeter
06/30/1999EP0789834A4 Method and system for analyzing a two-phase flow
06/30/1999CN2326942Y Capacitor type read water-meter
06/30/1999CN2326941Y Isertion type venturi flow-measuring device
06/30/1999CN2326940Y Impeller type intelligent gas-meter
06/30/1999CN1221487A Method for measuring sound signal propagation delay in fluid by zero-crossing of the said sound signal
06/30/1999CN1221107A Combined water meter
06/29/1999US5918285 Coriolis mass flow meter having a thick-walled measuring tube
06/29/1999US5918281 Personal speedometer
06/29/1999US5918279 Device for measuring the mass of a flowing medium
06/29/1999US5915932 Peristaltic pump having a roller support
06/29/1999CA2122824C Process and device for taking representative milk samples
06/24/1999WO1999031467A1 Flowmeter
06/24/1999WO1999030830A1 A device for detecting a flow of powder particles
06/24/1999DE19758397A1 Water flow direction measuring device to measure flow at boundary between surface and ground water
06/24/1999CA2310050A1 Flowmeter
06/23/1999EP0924495A2 Air flow measurement apparatus
06/23/1999EP0923711A1 Fluid flow measurement device
06/23/1999EP0923710A1 Improved annular flow monitoring apparatus
06/23/1999EP0923709A2 Method and device for measuring the volumetric flow of a fluid
06/23/1999EP0923339A1 Measuring detector and system for the measurement of gas flow
06/23/1999EP0734225A4 Apparatus and method for measuring fluid flow
06/23/1999CN2325762Y Device for measuring small amount of flow
06/23/1999CN2325761Y Multiphase flow regulator, and multiphase flow phase distributing ratio measuring device using the regulator
06/23/1999CN1220388A Flowmeter, pressure gauge and transfusion meter
06/22/1999US5915280 Electromagnetic flowmeter
06/17/1999DE19755916A1 Domestic clothes dryer
06/16/1999EP0922941A1 Manifold-type flow detector assembly
06/16/1999EP0922940A1 Flow detector with flow control valve
06/16/1999EP0922938A1 Outlet measurement device
06/16/1999EP0922937A2 Ultrasonic flow metering tube
06/16/1999EP0922203A1 Flow sensor component
06/16/1999EP0922202A1 Device for measuring hydraulic discharge volumes and leakages in a test piece
06/16/1999EP0856145A4 Digital speed determination in ultrasonic flow measurements
06/16/1999CN2324534Y Heavy oil flowmeter
06/15/1999US5913250 Pressure compensated thermal flow meter
06/15/1999US5913249 Measuring detector and system for the measurement of gas flow
06/15/1999US5913247 Transducer for a vortex flowmeter
06/15/1999US5913239 Mass flow measurement device
06/15/1999US5911881 Biasing device that guides file into restrictor