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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06/26/1991 | EP0434003A2 Automated powered flowmeter valves and control thereof |
06/26/1991 | EP0433411A1 Air-flow meter. |
06/26/1991 | EP0298107A4 Method of making and filling bags |
06/26/1991 | CN1052550A Aerodynamic probe internal constructions |
06/21/1991 | CA2032564A1 Peripheral arterial monitoring instruments |
06/20/1991 | DE3941933A1 Ultraschallwandler fuer luftstroemungsmessung insbesondere zur luftmengenmessung bei verbrennungsmotoren Ultrasonic transducer for luftstroemungsmessung particular for air flow measurement for internal combustion engines |
06/20/1991 | DE3941634A1 Schallisolierte halterung eines ultraschallwandlers Soundproofed holder of an ultrasonic converter |
06/20/1991 | DE3941546A1 Ultraschall-gas-/fluessigkeits-durchflussmesser Ultrasonic gas / liquid flow meters |
06/20/1991 | DE3941545A1 Ultraschall-gas-/fluessigkeits-durchflussmesser Ultrasonic gas / liquid flow meters |
06/20/1991 | DE3941544A1 Ultraschall-durchflussmesser Ultrasonic flow meters |
06/19/1991 | EP0432627A1 Mass flow measuring device |
06/19/1991 | CN2079283U Continuous measuring device for oilfield single well day output |
06/19/1991 | CN1012920B Flow indicating device and method for changing its measuring range |
06/19/1991 | CA2027137A1 Liquid flow metering |
06/18/1991 | US5025160 Measurement of flow velocity and mass flowrate |
06/18/1991 | US5024105 Viscosity-insensitive variable-area flowmeter |
06/18/1991 | US5024104 Combined output and drive circuit for a mass flow transducer |
06/18/1991 | US5024084 Flow meter for liquid doctored through Fourdrinier fabric at wet end of Fourdrinier paper machine |
06/18/1991 | US5024083 Terminal flow sensor |
06/18/1991 | CA1285061C Method and appliance for evaluating the sound emission property of hollow components and their use particularly in the motor-vehicle industry |
06/16/1991 | WO1991009281A1 Ultrasonic flow meter |
06/16/1991 | WO1991009280A1 Ultrasonic gas/liquid flow meter |
06/16/1991 | WO1991009279A1 Soundproofed holding device for an ultrasonic transducer |
06/16/1991 | WO1991009274A1 Aerodynamic probe internal constructions |
06/16/1991 | CA2072110A1 Ultrasonic gas/liquid flow meter |
06/16/1991 | CA2071828A1 Soundproofed holding device for an ultrasonic transducer |
06/16/1991 | CA2069110A1 Aerodynamic probe internal constructions |
06/15/1991 | CA2032189A1 Method and system for measurement of fluid flow in a drilling rig return line |
06/13/1991 | WO1991008446A1 Convective acceleration flowmeter |
06/13/1991 | WO1991008445A1 Flowmetering apparatus |
06/13/1991 | WO1991008444A1 Measuring flow characteristics of fluid streams |
06/13/1991 | CA2069624A1 Flowmetering apparatus |
06/12/1991 | EP0431525A2 Balance for the continuous weighing and for the determination of the flow rate of bulk foodstuffs treated in a grain mill |
06/12/1991 | EP0431345A2 Probe for measuring pressure of a fluid flowing in a pipe |
06/12/1991 | EP0431132A1 Improved stability coriolis mass flow meter |
06/12/1991 | EP0430979A1 Device for measuring a flowing air volume. |
06/12/1991 | CA2031944A1 Pulse echo technique for detecting fluid flow |
06/11/1991 | US5023055 Different materials in supply chamber combine to form aerosol to detect flow |
06/11/1991 | US5022557 Computerized beverage dispensing system |
06/11/1991 | US5022274 High temperature particle velocity meter and associated method |
06/11/1991 | US5022270 Extended measurement capability transmitter having shared overpressure protection means |
06/11/1991 | US5022269 Resonance frequency position sensor |
06/11/1991 | US5022257 Impulse sensor with amplitude calibration means |
06/11/1991 | CA1284732C Apparatus and method for continuously measuring mass flow |
06/07/1991 | WO1991008447A1 A flow tube drive circuit having a bursty output for use in a coriolis meter |
06/06/1991 | WO1991008448A1 Electromagnetic driver and sensor |
06/06/1991 | DE3939646A1 Filter tube gas throughput measuring appts. for dust filtration system - has measurement connector, pref. with Venturi measurement insert |
06/06/1991 | DE3939573A1 Sensor for measuring forces and derivable physical parameters - has light source connected to clamped end of elastically deflectable light conducting body, with position detector at other end |
06/05/1991 | EP0430015A1 Flowmeter |
06/05/1991 | EP0329728A4 Convective attenuation flowmeter |
06/05/1991 | EP0320508B1 Improved parallel path coriolis mass flow meter |
06/05/1991 | CN1012754B Hot wire air flowmeter |
06/04/1991 | US5020380 Mass flow operating by the coriolis principle |
06/04/1991 | US5020375 Measuring fluid flow |
06/04/1991 | US5020374 Acoustic emission |
06/04/1991 | US5020373 Composite flow meter |
06/04/1991 | US5020365 Flow rate meter |
06/04/1991 | US5020214 Method of manufacturing a hot wire air flow meter |
05/30/1991 | WO1991007642A1 Velocity measurement system |
05/29/1991 | WO1991009283A2 Linearization of a sensing bridge circuit output |
05/29/1991 | CA2066028A1 Linearization of a sensing bridge circuit output |
05/28/1991 | US5018391 Inductive flow meter |
05/28/1991 | US5018385 I.C. engine airflow meter having speed-based automatic gain control |
05/25/1991 | CA2030298A1 Convective acceleration flowmeter |
05/22/1991 | EP0428422A2 Method and apparatus for measurements related to fluid flow in a borehole |
05/22/1991 | EP0428364A1 Flowmeter |
05/22/1991 | CN2077540U In-line quick mounting and maintenance of turbine flow sensor |
05/16/1991 | WO1991006832A1 A gas flow measuring system |
05/16/1991 | WO1991006831A1 Gas flow meter housing |
05/16/1991 | WO1991006830A1 Variable area obstruction gas flow meter |
05/16/1991 | WO1991004462A3 Liquid counter |
05/16/1991 | DE3940280A1 Flowing medium throughout determining appts. - contains dynamic pressure body carrying magnets and movable w.r.t. soft magnetic core carrying stimulation and secondary coils |
05/15/1991 | EP0427102A1 Flow meter for measuring the flow rate in a conduit |
05/15/1991 | EP0427018A2 Measuring device for measuring the speed of a fluid |
05/15/1991 | CN2077117U Automobile oil consumption meter |
05/15/1991 | CN1051423A Uniform-velocity pipe flowmeter for pipe with rectangular cross-section |
05/14/1991 | US5016187 Linearized turbine flow meter for fuel dispensers |
05/14/1991 | US5014559 Rotameter with read-out device |
05/14/1991 | US5014552 Flow meter |
05/14/1991 | US5014550 Method of processing mass air sensor signals |
05/14/1991 | CA1284038C Fluid flow sensor |
05/08/1991 | EP0426309A2 Measurement system |
05/08/1991 | EP0426266A1 Syrup dispensing system |
05/08/1991 | CN2076668U Rectangular cross-section tube uniform flow tube flowmeter |
05/07/1991 | US5013928 Optical equipment of fiber laser Doppler velocimeter |
05/07/1991 | US5012955 Syrup dispensing system |
05/07/1991 | CA1283834C Water trap valve for fail safe operation of an air inleakage monitoring system in a steam turbine |
05/02/1991 | WO1991005986A1 Volume and flow measuring apparatus |
05/02/1991 | EP0425120A2 Averaging pitot probe |
05/02/1991 | EP0424828A1 Mass flowmeter for two-phase currents liquid/gas |
05/02/1991 | EP0424503A1 Multiphase process mixing and measuring system |
05/01/1991 | CN1012532B Measurement of flow rate of powder from a hopper |
04/30/1991 | US5012449 Sonic flow meter |
04/30/1991 | US5011279 Fiber-optical sensor |
04/30/1991 | US5010771 Fast response, high sensitivity manometric wind sensor |
04/30/1991 | CA2012846A1 Syrup dispensing system |
04/30/1991 | CA1283560C Air pressure measurement element and system incorporating same |
04/30/1991 | CA1283559C Methods for metering two-phase flow |
04/25/1991 | DE3934263A1 Measuring mass of air sucked into combustion chamber of IC engine - measuring change in air mass in defined vol in defined period and subtracting from flow into induction system during that period |
04/23/1991 | US5009248 Flowmeter |