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)
04/1992
04/22/1992EP0481141A1 Borehole fluid flow monitoring apparatus
04/22/1992EP0464052A4 Supply valve and arrangement for fire suppression water sprinkler system
04/21/1992US5107466 Ultrasonic doppler flow meter
04/21/1992US5107441 System for evaluating the flow performance characteristics of a device
04/21/1992US5106269 Method and device for pumping a petroleum fluid
04/21/1992US5105818 Apparatus, system and method for measuring spatial average velocity and/or volumetric flow of blood in a vessel and screw joint for use therewith
04/21/1992US5105666 Ultrasonic flowmeter
04/21/1992US5105660 Intake air quantity measuring apparatus
04/21/1992CA1299300C Apparatus and method for measuring bulk density using position scatteringand annihilation
04/16/1992DE4042150A1 Verfahren zur bestimmung eines fluiddurchsatzes Method for determining a fluid flow rate
04/16/1992DE4032661A1 Control of fluid mass flow by coriolis flowmeter - acts on speed of pump to restore desired flow rate after correction of temporary excessive deviation
04/15/1992EP0395721B1 Control and detection circuitry for mass airflow sensors
04/15/1992EP0325601B1 Improved drive means for oscillating flow tubes of parallel path coriolis mass flow rate meter
04/15/1992CN1016276B Method for compensating interference voltages in the electrode circuit in magnetic-inductive flow measurement
04/15/1992CN1016275B Swirl flowmeter
04/14/1992US5103862 Valve and arrangement for fire suppression water sprinkle system
04/14/1992US5103833 Peripheral arterial monitoring instruments
04/14/1992US5103757 Self cleaning device for sight flow indicators
04/08/1992EP0479676A1 Flow measurement of a stream of molten material
04/08/1992EP0479509A1 Method and apparatus for measuring fluid transport properties through porous media by NMR imaging
04/08/1992EP0479434A1 Ultrasound flowmeter
04/08/1992EP0478561A1 Automated flow rotameter
04/07/1992US5101668 Torsional vortex sensor
04/07/1992CA1298658C Density insensitive coriolis mass flow rate meter
04/07/1992CA1298487C Coriolis mass flowmeter
04/07/1992CA1298486C Homogenising and metering the flow of a multiphase mixture of fluids
04/05/1992CA2052670A1 Variable gate flow analyzing method and apparatus
04/05/1992CA2052530A1 Molten material stream discharge measurement
04/02/1992WO1992003706A3 Mass flow pickup
04/02/1992DE4030753A1 Calculating sound dispersion in flowing media - separating surface into partial areas small compared with wavelengths produced by sound pressure of vibrating surface
04/02/1992DE4029780A1 Water flowmeter, esp. for electric throughflow heater - has rotation body with vanes and revolution rate detector giving uniform dependency of rotation rate on flow speed
04/01/1992EP0477973A1 Flow meter
04/01/1992EP0477811A2 Liquid delivery system
04/01/1992EP0477745A1 Measurement apparatus submerged measurement weir
04/01/1992EP0477575A1 Ultrasonic converter, in particular for air and gas flow measurement, and process of manufacturing the same
04/01/1992EP0477419A1 Ultrasonic flowmeter unit to be inserted in a measuring tube
04/01/1992EP0477418A1 Ultrasonic flowmeter unit to be intented in a measuring tube
04/01/1992CN2100609U Mass flowmeter
04/01/1992CN2100608U Low-displacement water-searching instrument
04/01/1992CN2100607U Digital flow relay
04/01/1992CN2100606U Angular-rotation positive displacement flow meter
03/1992
03/31/1992US5101156 Rapid flow measurement using an nmr imaging system
03/31/1992US5099881 Flow dividing structure of mass flow controller
03/31/1992US5099699 Flow indicator or flowmeter
03/31/1992US5099698 Electronic readout for a rotameter flow gauge
03/31/1992US5099697 Two and three-phase flow measurement
03/31/1992CA1298382C Milk flow indicator
03/29/1992CA2052348A1 Flow meter
03/26/1992DE4131255A1 Measuring throughflow of fluid in pipe - controlling input power of transducer and vibration of pipe upstream of clamp
03/26/1992DE4029616A1 Control for dosing system - monitors pump pulses to compute dosing rate and detects pressure fluctuations
03/26/1992CA2052034A1 Us transducer for air and gas flow measurement and a method for the manufacture thereof
03/25/1992EP0311663B1 Transducer for arranging in a fluid, particularly for the measurement of the flow-velocity of a fluid in a pipe, by transmitting/receiving sonic pulses
03/25/1992CN2099957U Electronic water meter for single waterhead open channel
03/20/1992CA2051541A1 Fluidic flowmeter
03/19/1992WO1992004134A1 Ultrasonic transducer for measuring the travel times of ultrasonic pulses in a gas
03/18/1992EP0475773A1 Less position dependent volumetric flow measuring apparatus, catheter for use therein, and method
03/18/1992EP0474743A1 Coriolis mass flow rate meter having a substantially increased noise immunity.
03/18/1992EP0456801A4 Electromagnetic driver and sensor
03/18/1992CN2099301U Inductance type dual ripple differential sensor
03/18/1992CN2099300U Glass rotor flowmeter
03/17/1992US5095761 Coriolis-type mass flow meter for sanitary use
03/17/1992US5095760 Vortex flowmeter with dual sensors
03/17/1992US5095759 Platinum electrode bonded to ceramic
03/17/1992US5095758 Water cut monitoring means and method
03/17/1992CA1297588C Measurement of flow rate of power from a hopper
03/13/1992CA2051152A1 Less position dependent volumetric flow measuring apparatus, catheter for use therein, and method
03/12/1992DE4028794A1 Measuring installation choking waste water throughput - contains inductive flow meter, electrically driven slider and electronic controller
03/12/1992DE4028315A1 Ultraschallwandler fuer die laufzeitmessung von ultraschall-impulsen in einem gas Ultrasonic transducer for the measurement of maturity ultrasound pulses in a gas
03/12/1992DE4026724A1 Mass flowmeter with replaceable vibration tube - coupled via ranges to connection tubes rigidly attached to housing at least partially enclosing vibration tube
03/11/1992EP0474121A2 Mass flow measuring device
03/11/1992EP0473919A1 Device for measurement and dosage of mass flows
03/11/1992EP0473868A1 Flow monitor
03/11/1992EP0456789A4 Convective acceleration flowmeter
03/10/1992US5094753 Disposable extraction cartridge
03/10/1992US5094272 Adjustable orifice plate seal
03/10/1992US5094112 Process and a device for carrying out measurements at a foaming liquid
03/10/1992US5094105 Optimized convection based mass airflow sensor
03/10/1992US5094103 Steam quality and flow rate measurement
03/10/1992CA1296927C Petroleum stream monitoring means and method
03/10/1992CA1296874C Method and apparatus for seating and sealing a pitot tube type flow meter in a pipe
03/05/1992WO1992003706A2 Mass flow pickup
03/05/1992DE4027030A1 Measuring speed of flow by ultrasonic echo signals - using defined time window in reflex method for base and surface echoes for correlative evaluation
03/04/1992EP0473546A1 Micrometrical dosing device
03/04/1992EP0472959A1 Method and probe for determining the volume flow of a pulsing fluid flow
03/04/1992CN2098009U Electromagnetic flowmeter
03/04/1992CN2098008U Single-pole flowmeter
03/03/1992US5093620 Encoding for nmr phase contrast flow measurement
03/03/1992US5092181 Method and apparatus for measuring gas flow using bubble volume
03/03/1992US5092164 Thermal air-flow sensor
03/03/1992US5092159 Method and apparatus utilizing a single nozzle for effecting measurment of steam characteristics
03/03/1992US5092158 Apparatus for testing leak detectors
02/1992
02/27/1992DE4026692A1 Flowmeter using inductive pick=up assigned to rotor - of plastics material with metal layer or coating
02/26/1992EP0239612B1 Drain manifold for air data sensor
02/26/1992CN2097396U Mechanical measurer without energy sources for volume flow of water
02/26/1992CN2097395U Ion type gas flowmeter
02/26/1992CN2097394U Shunt differential pressure flow transmitter
02/25/1992US5091863 Automatic fluid sampling and flow measuring apparatus and method
02/25/1992US5090626 Apparatus for producing a very thin mist of power and controls for producing thin mist of power
02/25/1992US5090390 Electronic injection system for otto engines
02/25/1992US5090253 Coriolis type fluid flowmeter