Patents
Sitemap › G01 - Measuring; Testing › G01F - Measuring volume, volume flow, mass flow, or liquid level; Metering by volume › 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
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)
08/1990
08/21/1990US4949578 Flow metering of high temperature gases
08/21/1990CA1273101A1 Ultrasonic instrument to measure the gas velocity and-or the solids loading in a flowing gas stream
08/19/1990WO1990009567A1 Flowmeter
08/16/1990DE4004552A1 Signal processing for thermal flow sensor - using parametric relationship and comparison for compensation of thermal delay
08/15/1990CN2060539U Magnetic drive turbine flowmeter
08/15/1990CN1044704A Air flow measurement device for fluidized bed reactor
08/14/1990US4948552 Ultrasonic wave sensor intended to come into contact with a wall at a high temperature and application of this sensor
08/14/1990US4947889 Method of measuring flow rate and flow meter for use in said method as well as apparatus for controlling flow rate of liquid using said flow meter
08/14/1990US4947852 Apparatus and method for continuously measuring volumetric blood flow using multiple transducer and catheter for use therewith
08/14/1990US4947688 Flow velocity sensor
08/14/1990US4947683 Pulsed ultrasonic doppler borehole fluid measuring apparatus
08/14/1990CA2009939A1 Fluid flow volumetric determination apparatus and method
08/08/1990EP0381438A2 Fluidized bed reactor comprising an air flow measurement device
08/08/1990EP0381348A1 Doppler blood flow system and method using special zero flow rate analysis
08/08/1990EP0381344A2 Fluid flow meters
08/08/1990EP0381302A1 Measuring mass flow rates of fluid flows
08/08/1990EP0380967A2 Air gauge sensor
08/08/1990EP0380937A1 Inductive-flow meter
08/08/1990EP0380581A1 Fluid flow detector
08/08/1990EP0380504A1 Flow line weighing device
08/07/1990US4947247 Displacement measurement apparatus and method for an automated flow rotameter
08/07/1990US4947153 Apparatus for monitoring the flow of fluid from a metering pump
08/07/1990US4947057 Adjustable temperature variable output signal circuit
08/07/1990US4947036 Self-monitoring optical sensor having a ratiometric output signal
08/07/1990US4946555 Apparatus and method for measuring vent gas flow rates and parameters in pulp and paper processing
08/07/1990US4945771 Integrated flow meter and vacuum gauge and use
08/07/1990US4945754 Test water meter with digital display
08/07/1990CA1272517A1 Integrated semiconductor resistance temperature and resistive heater
08/01/1990EP0380268A1 Doppler blood flow system and method using low frequency noise signal processing
08/01/1990EP0379799A1 A mass flow sensor
08/01/1990EP0379502A1 Multi-phase flowmeter.
07/1990
07/31/1990US4945344 Fluid flow sensor having light reflective slider
07/31/1990US4945276 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
07/31/1990US4944190 Flow meter
07/31/1990US4944182 Air flow rate meter and method for producing an air flow rate meter
07/26/1990CA2007164A1 Doppler blood flow system and method using special zero flow rate analysis
07/26/1990CA2007157A1 Doppler blood flow system and method using low frequency noise signal processing
07/25/1990EP0378651A1 Process and arrangement for flow measurement by means of ultrasonic waves.
07/25/1990EP0378570A1 A device for measuring the volume flow of a fan.
07/25/1990CN2059736U Arnewba flowmeter
07/24/1990US4942763 Flow sensor assembly
07/18/1990EP0378396A2 Apparatus and method for measuring mass flow of a liquid
07/18/1990CN1043988A Gas, liquid fixed double phase flow measuring method
07/17/1990US4941778 Method and apparatus for measuring and regulating the flow rate of powder in a powder spraying device
07/17/1990US4941361 Three-in-one flowmeter
07/12/1990WO1990007694A2 Electromagnetic flow meter
07/12/1990DE3900284A1 Method for determining the water throughput through an electrically heated instantaneous water heater
07/11/1990EP0377223A2 Centrifugal pump especially for aquariums
07/11/1990EP0377005A1 Mass flow measuring apparatus based on the coriolis principle
07/10/1990US4940330 Laser Doppler anemometer
07/05/1990DE3940832A1 Fibre optic flow monitor for multiple phase flows - contains fibre optical position filter acting as differential grid for flow contg. ferromagnetic impurities
07/04/1990EP0376144A1 Anemometer
07/03/1990US4938079 Thermal transit time flow measurement system
07/03/1990US4938078 Method and apparatus for measuring flow rate
07/03/1990US4938077 Device to measure a large range of fluid flow
07/03/1990US4938076 Target fluid flow indicator gauge
07/03/1990US4938075 Convective inertia force flowmeter
07/03/1990US4938074 Vortex flow meter
07/03/1990US4938073 Expanded range magnetic flow meter
07/03/1990US4938072 Flow measurement device
07/03/1990US4938061 Current controlled electronic circuit for a hot wire air flow meter
07/03/1990US4938053 Fluid metering system
07/03/1990CA1271052A1 Mass flow meter and signal processing system
06/1990
06/28/1990WO1990007100A1 Process and device for measuring the flow rate of the liquid and gaseous phases of a flowing diphasic fluid
06/28/1990DE3843678A1 Process and arrangement for flow metering by means of ultrasonic waves
06/27/1990EP0375399A2 Adhesion layer for platinum based sensors
06/27/1990EP0375300A1 A combined output and drive circuit for a mass flow transducer
06/27/1990EP0374352A1 Device for measuring an air mass
06/27/1990CN2058746U Improved automatically-switching valve
06/27/1990CN2058745U Numerical control device for measuring and recording water rate
06/27/1990CN1043390A Dual-phase tri-component metric instrument
06/27/1990CN1008557B Crystal encoding method of real-time pseudo-colour satellite cloud card
06/26/1990US4936508 Shower head volume meter with alarm signal
06/26/1990US4936151 Paddle-wheel type flow meter
06/26/1990US4936146 Method and apparatus for detecting laminar flow separation and reattachment
06/26/1990US4936145 Heatable electric resistor for flow meters
06/26/1990CA1270917A1 Method and apparatus for detecting slag in a flowing molten metal
06/26/1990CA1270663A1 Magnetically inducted flow meter
06/23/1990CA2000030A1 Adhesion layer for platinum based sensors
06/20/1990EP0373965A2 Fluid flowmeter composition correction
06/20/1990EP0373964A2 Flowmeter fluid composition correction
06/20/1990EP0373930A2 Flow meter
06/20/1990EP0373929A1 Composite flow meter
06/20/1990EP0373886A1 Variable Orifice flow sensing apparatus
06/20/1990EP0373414A1 Method and device to measure fluidic or calorimetric parameters
06/20/1990CN2058479U Turbo-transducer for flow measurement
06/19/1990US4934373 Method and apparatus for synthesizing a continuous estimate signal from segments of a Gaussian signal provided by ultra sonic doppler measurement on a fluid flow
06/19/1990US4934196 Coriolis mass flow rate meter having a substantially increased noise immunity
06/19/1990US4934195 Coriolis mass flowmeter
06/19/1990US4934194 Vortex flowmeter
06/19/1990US4934190 Silicon-based sensors
06/19/1990US4934189 Temperature sensing flow sensor
06/19/1990US4934188 Temperature sensing flow sensor
06/19/1990US4934187 Flow meter for insertion in aquarium filter flow tube
06/19/1990US4934178 Method and apparatus for determining the density of a gas
06/19/1990CA1270566A1 Method and apparatus for calculating flow rates through a pumping station
06/14/1990WO1990006493A1 A device for measuring the rate of flow of a flowing fluid
06/14/1990WO1990006433A1 Fuel supply system with pneumatic amplifier
06/13/1990EP0372598A2 Impedance cross correlation logging tool
06/13/1990EP0372037A1 Method of and apparatus for weighing a continuous stream of fluent material.
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