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)
06/1990
06/13/1990EP0155945B1 Integrated threshold arming method and apparatus
06/13/1990DE3922609A1 Float body throughput meter with replaceable float - has smallest effective cross-section in centre and narrowing halves for industrial and laboratory use
06/13/1990DE3841135A1 Measuring element
06/12/1990US4933833 Measurement and control system
06/12/1990US4933633 Computer controlled energy monitoring system
06/12/1990US4932269 Flow device with water trap
06/12/1990US4932268 Electromagnetic flow measuring arrangement
06/12/1990US4932255 Flow sensing using surface acoustic waves
06/12/1990US4932250 Multi point sensor
06/05/1990US4931776 Fluid flow sensor with flexible vane
06/05/1990US4930513 Two dimensional processing of pulsed Doppler signals
06/05/1990US4930358 Method of and apparatus for measuring flow velocity by using ultrasonic waves
06/05/1990US4930357 Fluidic volumetric fluid flow meter
06/05/1990US4930356 Flowmeter for gas-entrained solids flow
06/05/1990US4930347 Solid state microanemometer with improved sensitivity and response time
06/05/1990US4930343 In a paint spraybooth facility
06/03/1990CA2002584A1 Impedance cross correlation logging tool
05/1990
05/31/1990WO1990005894A1 Transducer for an electromagnetic flow meter
05/31/1990DE3840210A1 Continuous-flow water heater device for determination and adjustment of the quantity of water
05/31/1990DE3839504A1 Method and device for measuring the leakage of a device operated with a gaseous medium
05/30/1990EP0370874A1 Method and apparatus for pumping a petroleum fluid
05/30/1990EP0370557A1 Gas meter
05/30/1990EP0370174A1 Inductive rotation sensor for a vane-type flow meter
05/30/1990EP0370162A2 Method and apparatus for measuring and controlling a fluid flow rate
05/30/1990CN2057747U Admeasuring device for heavy calibre pipe fluid flow
05/30/1990CN1042604A Digital electronics for controlling fiber optic shedding flowmeter
05/29/1990US4929368 Fluoroether grease acoustic couplant
05/29/1990US4928758 Downhole wellbore flowmeter tool
05/29/1990US4928534 Socket structure for mounting ultrasonic gas flow measuring device with respect to gas flow pipe
05/29/1990US4928524 Method and apparatus for measuring flow rate of a gas containing condensable components and mists
05/23/1990EP0369592A2 Sampling probe flow sensor
05/23/1990EP0369506A1 Flowmeter for gases
05/23/1990EP0368952A1 Coriolis mass flow meter employing non-metallic flow conduit structure.
05/22/1990US4926903 Butterfly valve having a function for measuring a flow rate and method of measuring a flow rate with a butterfly valve
05/22/1990US4926698 Dual wedge flow element
05/22/1990US4926697 Differential pressure transmitter, a square root extracting device therefor and methods of making the same
05/22/1990US4926695 Rocking beam vortex sensor
05/22/1990US4926532 Method of manufacturing a flow meter
05/22/1990CA2002925A1 Gas meter
05/22/1990CA1269292A1 Flow rate sensing device
05/17/1990WO1990005291A1 Process and device for withdrawing liquid samples from a flow line
05/17/1990WO1990005283A1 Method and apparatus for measuring mass flow
05/17/1990WO1990004946A1 Ultrasonic diagnostic apparatus
05/17/1990DE3936712A1 Analog-digitale, opto-elektromagnetische zaehlvorrichtung fuer fluessigkeiten Analog-to-digital opto-electro-magnetic counter for liquids
05/17/1990DE3911008C1 Thermal transition measuring device
05/16/1990EP0368454A1 Controlling fibre optic vortex shedding flowmeters
05/16/1990EP0367899A1 Method and apparatus for extracting liquid-samples from a liquid-flow pipe
05/15/1990US4924876 Nasal breath monitor
05/15/1990US4924710 Vortex flowmeter
05/10/1990DE3837927A1 Flow indicator
05/09/1990EP0367111A2 Apparatus for measuring the intake air-flow rate of internal combustions engines
05/08/1990US4923598 Apparatus for the treatment of blood in particular for hemodialysis and hemofiltration
05/08/1990US4922879 Intake arrangement for internal combustion engine
05/08/1990US4922855 Milking machine
05/08/1990US4922760 Differential pressure transmitter, a square root extractor device therefor and methods of making the same
05/08/1990US4922759 Vortex frequency flow meter
05/08/1990US4922750 Ultrasound phase difference method for measuring high flow rates
05/08/1990CA1268829A1 Apparatus for electrically interconnecting vibrating structures
05/03/1990DE3837147A1 Flowmeter for fluids of low viscosity
05/01/1990US4922233 Flow sensor and system incorporating the same for monitoring steam turbine drain valves
05/01/1990US4922202 Method for measuring flows in a nuclear magnetic resonance experiment
05/01/1990US4921005 Mass flow controller
05/01/1990US4920808 Device and method for measuring the flow velocity of a free flow in three dimensions
05/01/1990US4920795 Electromagnetic flowmeter for conductive or dielectric fluids and its applications in particular oilfield
05/01/1990US4920794 Fluid flow meter
05/01/1990US4920790 Method and means for determining air mass in a crankcase scavenged two-stroke engine
05/01/1990US4920789 Method and means for determining air mass in a crankcase scavenged two-stroke engine
05/01/1990US4920635 A method of manufacturing a thermo-sensitive resistor
05/01/1990CA1268354A1 Mass flow meter working on the coriolis principle
05/01/1990CA1268349A1 Electromagnetic flow meter
04/1990
04/30/1990CA2001798A1 Method and apparatus for measuring mass flow
04/25/1990EP0364508A1 Vortex flowmeter
04/25/1990CN2056507U Flowmeter for external circulation machine
04/24/1990US4918996 Turbine flowmeter
04/24/1990US4918995 Electronic gas meter
04/24/1990US4918994 Gas meter
04/19/1990WO1990004230A1 Signal processing method and apparatus for flowmeters
04/19/1990WO1990004091A1 System for regulating the temperature of a resistance
04/19/1990DE3835429A1 Method and device for the determination of the flow quantity of a hot liquid
04/18/1990EP0364217A2 Improved torsional wave fluid sensor and system
04/18/1990EP0364054A2 High temperature coriolis mass flow rate meter
04/18/1990EP0363695A1 Sensor for determining low speed currents in a pipe section
04/17/1990US4918426 Method and apparatus for sensing fluid flow volume to indicate end of filter life
04/17/1990US4917940 Electroconductive surface has a thermoplastic resin layer, fused silica, resistive metal film and electrical connectors
04/17/1990US4916948 Thermal flow sensor
04/17/1990US4916762 Positive shut-off, metered water control system for flush tanks
04/17/1990EP0216923A4 Diffractosight improvements.
04/17/1990CA1267794A1 Mass flow meter on the coriolis principle
04/14/1990CA2000700A1 Signal processing method and apparatus for flowmeters
04/11/1990EP0363156A2 Apparatus for measuring volumetric flow of a liquid
04/11/1990EP0362784A2 Apparatus for determining the rate of flow of a viscous medium through a conduit
04/11/1990EP0362631A1 Doppler flow rate meter
04/11/1990EP0362435A1 Fluorescent tracers - chemical treatment monitors
04/11/1990CN2055929U Non-loss flow quantity measuring device of mechano-electronic integration
04/10/1990US4916381 Current source for a variable load with an inductive component
04/10/1990US4915778 Method of fabricating an apparatus for measuring velocity of flow
04/10/1990US4915111 Blood flow imaging method
04/10/1990US4914959 Ultrasonic flow meter using obliquely directed transducers
04/10/1990US4914956 Method and circuit for processing sensory input signals of the type obtained from coriolis mass flow rate sensors and the like
04/10/1990US4914955 Soapfilm flowmeter device for measuring gas flow rates
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