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)
12/1992
12/23/1992EP0519809A1 Method for analysing flowing two phase fluids in an oil well
12/23/1992EP0519754A2 Non-intrusive liquid flow meter for liquid component of two phase flow based on solid or fluid borne sound
12/23/1992EP0519753A2 Method to determine absolute liquid flow rate for manifolded feed nozzles
12/23/1992EP0519752A2 Non-intrusive flow meter for the liquid component of two phase flow based on solid, liquid or gas borne sound
12/23/1992EP0519751A2 An on-stream method for detecting erosion or plugging for manifolded feed nozzle systems
12/23/1992EP0519585A1 Low pressure burst disk sensor
12/23/1992CN2125818U Electromagnetic flow sensor
12/23/1992CN2125817U Magnetic-resistant dry manetic transmission water meter
12/23/1992CN1019603B Fluid flow volumetric determination apparatus and method
12/22/1992US5173188 Automated extractions
12/22/1992US5172592 Omnidirectional pressure sensing head
12/22/1992CA1311628C Apparatus for detecting flow amount of fluid in passage
12/21/1992CA2069068A1 On-stream method for detecting erosion or plugging for manifolded feed nozzle systems
12/21/1992CA2069049A1 Method to determine absolute liquid flow rate for manifolded feed nozzles
12/17/1992DE4219551A1 Mass flow sensor for gas or other fluid during semiconductor mfr. - has upstream and downstream heated resistors in bridge circuits with matching resistors
12/17/1992DE4119711A1 Measuring mass flows of multiple component flow e.g. oil-water-gas - involves polarising flow to saturation in magnet and measuring magnetisation along pipe
12/16/1992EP0518285A1 Circuit for a volume flow measuring device used for a medium flowing in a pipe
12/16/1992EP0518124A1 Coriolis-mass flow meter
12/16/1992EP0517734A1 Multiprobes with thermal diffusion flow monitor
12/15/1992US5172332 Automatic fluid sampling and monitoring apparatus and method
12/15/1992US5170672 Fluid velocity measurement device for a generating bank tube
12/15/1992US5170671 Disk-type vortex flowmeter and method for measuring flow rate using disk-type vortex shedder
12/15/1992US5170670 Three axis velocity probe system
12/15/1992US5170668 Unit for measuring or other device
12/15/1992CA1311373C Vortex shedding flowmeter
12/15/1992CA1311368C Laser-doppler-anemometer
12/10/1992WO1992021941A1 Flow calibrator
12/10/1992WO1992021940A1 Mass air flow sensor
12/10/1992WO1992021883A1 Microminiaturized electrostatic pump and device for determining the flow rate of a gas or liquid
12/10/1992DE4218899A1 Stroemungsmessvorrichtung Flow meter
12/10/1992DE4118810A1 Measuring appts. for small particles in flowing medium - uses HF ultrasonic Doppler principle with two measurement positions, each with ultrasonic transmission reception transducer, and mixers to produce difference signals
12/10/1992DE4118809A1 Fluid or particle flow measuring device
12/09/1992EP0517293A1 Integrated device for controlling the volume of fluids flowing through electrovalves for liquid distributing machines and washing machines
12/09/1992EP0517140A2 Apparatus for measuring small fluid and particle flow
12/09/1992EP0516841A1 Orifice system.
12/09/1992CN2124463U Vortex street combination flowmeter
12/09/1992CN1066921A Gas-solid double phase powder flow device
12/08/1992WO1992021939A1 Turbine flow meter
12/08/1992US5170438 Method and apparatus for determining the flow rate of a viscous fluid stream
12/08/1992US5170060 Measuring the flow rate of a thin stream of molten material
12/08/1992US5169292 Pump for viscous fluids
12/08/1992US5169268 Method of measuring supply rate of incineration waste
12/08/1992US5168932 Detecting outflow or inflow of fluid in a wellbore
12/08/1992US5168877 Ultrasonic diagnostic apparatus
12/08/1992US5168762 Speed measurement device
12/08/1992US5168753 Measuring device for detecting parameters charterizing the operating behavior of hydraulic assembles
12/08/1992CA2086506A1 Turbine flow meter
12/08/1992CA1311157C Air flow measurement device for fluidized bed reactor
12/03/1992DE4117914A1 Miniature electrostatic pump with several spaced electrodes - has each electrode fitted to one side of electrode support body, insulated against them
12/03/1992DE4117912A1 Flow speed measuring appts. for gas or liquid - has electrodes on main surfaces of common carrier with throughflow apertures and measures time for ion current to change following voltage change
12/02/1992EP0516509A1 Magnetic driving system and counting device, in particular water meter incorporating such a system
12/02/1992EP0516246A2 A milking plant
12/02/1992EP0515818A1 Milk flowmeter
12/02/1992EP0332612B1 Ferromagnetic drive and velocity sensors for a coriolis mass flow rate meter
12/02/1992CN2123754U High-precision mini-computer sewage flowmeter
12/01/1992US5168200 Automatic powered flowmeter valves and control thereof
12/01/1992US5167153 Method of measuring physical phenomena using a distributed RTD
12/01/1992US5167152 Input processing circuit for air flow sensor
12/01/1992US5167147 Air-measuring device
12/01/1992CA1310843C Method and apparatus for determining oil content of oil well production
11/1992
11/30/1992CA2069791A1 Valve control apparatus
11/26/1992WO1992021006A2 Method and apparatus for translating a mass flow meter signal
11/26/1992WO1992021005A1 Floater flowmeter
11/26/1992WO1992021004A1 Flow meter
11/25/1992EP0282529B1 Auto zero circuit for flow meter
11/25/1992CA2068379A1 Magnetic drive system, and a meter, in particular a water meter, including such a system
11/24/1992CA1310511C Electromagnetic flowmeter with alternating permanent magnet field
11/19/1992EP0513955A2 Device for intermittently measuring a quantity over a long period of time
11/19/1992EP0513882A1 Volumetric system to measure the flow rate of a fluid
11/19/1992EP0513309A1 Hot wire anemometer
11/19/1992DE4116155A1 Heat quantity meter for heating or hot water system - has throughput meter and temp. sensor which responds to temp. changes with changes in shape or dimensions
11/19/1992DE4115963A1 Float throughput measurement device with replaceable measurement pipe - has upper connector with distributor head, and lower connector with stop
11/18/1992CN2122377U Pendulum flowmeter
11/18/1992CN1019146B Apparatus for measuring flow of fluid
11/17/1992US5163445 Apparatus, system and method for measuring spatial average velocity and/or volumetric flow of blood in a vessel and screw joint for use therewith
11/17/1992US5163331 Speed measurement device
11/17/1992US5163322 Thermal flow sensor
11/17/1992CA1310253C Unitized instrument manifold
11/12/1992WO1992020006A2 Thermal mass flow sensor
11/12/1992WO1992019940A1 Suspended looped conduit mass flowmeter
11/11/1992EP0512655A2 Alternative liquid flow sensor design
11/11/1992EP0512455A2 Method and device to measure the volumetric flow rate for fluids and gases
11/11/1992EP0512325A2 Fluid meter, in particular water meter
11/11/1992CN2121679U High fine flow meter
11/10/1992US5161541 Flow sensor system
11/10/1992US5161410 Mass flow sensor for very low fluid flows
11/10/1992CA1309875C Flow monitor
11/05/1992DE4114537A1 Liquid, e.g. chemical plant waste, flow amount determn. - establishing alterations at surface of channel by measuring voltage produced in magnetic field of electromagnet lowered in flowing liquid
11/05/1992DE4114233A1 Ultrasonic flow measurement system - performs measurements in different diffusion directions and flow speed is determined from transit time difference using ultrasonic signal converters
11/04/1992EP0511723A2 A milking plant
11/04/1992EP0511722A2 A milking plant
11/04/1992EP0511595A1 Flowmeter
11/04/1992CN2121016U Combined liquid flow admeasuring apparatus
11/04/1992CN2121015U On-line variable capacity luquid flowmeter
11/04/1992CN2121014U Bulk flow instrument
11/03/1992US5160624 Automatic injection; high pressure vessel; high speed
11/03/1992US5159951 Mass flow controller
11/03/1992US5159840 Method and apparatus for measuring, regulating and controlling the quantity of fiber tufts in flight
10/1992
10/30/1992CA2067486A1 Suspended loop conduit mass flowmeter
10/29/1992WO1992018834A1 Two phase flow meter