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)
10/1988
10/18/1988US4777957 Method for measuring and imaging fluid flow
10/18/1988US4777833 Ferromagnetic drive and velocity sensors for a coriolis mass flow rate meter
10/18/1988US4777830 Flowmeter with pivotably floating fluid dynamic target
10/18/1988US4777820 Apparatus for determining the flow rate of a flowing medium
10/18/1988CA1243429A1 Analysis of fluids
10/18/1988CA1243220A1 Electromagnetic flow meter
10/12/1988EP0286359A2 Apparatus, system and method for measuring volumetric flow of blood in a vessel
10/12/1988EP0285862A1 Rapid scan NMR angiography
10/12/1988CN87102498A Plunger metering pump and plunger membrance metering pump series
10/11/1988US4776222 Impulse sensor with mechanical preamplification
10/11/1988US4776220 Dual S-loop single tube coriolis force flowmeter
10/11/1988US4776214 Mass air flow sensor
10/11/1988US4776213 Mass airflow meter
10/11/1988US4776210 Multiphase fluid flow measurement systems and methods
10/06/1988WO1988007664A1 Impulse sensor with mechanical preamplification and noise cancellation
10/06/1988DE3710224A1 Process and device for determining currents of air masses
10/06/1988DE3710006A1 Method for reducing a digital noise signal in a digital input signal and circuit arrangement to carry out this method
10/06/1988DE3709776A1 Method of measuring the flow of a medium through a pipeline or the like
10/05/1988EP0285451A1 A flow sensor
10/05/1988EP0285082A2 Device for examining the components of a hydraulic high-pressure system
10/05/1988CN87217059U Sensor for assaying flow of fluid
10/04/1988US4774844 Encapsulated electromagnetic flowmeter
10/04/1988US4774833 Device for determining mass flow and direction of flow
09/1988
09/29/1988DE3809189A1 Method and device for the measurement of flow velocity using ultrasonic waves
09/28/1988EP0283830A2 Method for preparing a reaction mixture with its components in the stochiometric weight ratio
09/28/1988EP0127790B1 Measuring device for physical properties of fluids
09/28/1988CN87212304U Multi-hole velocity tube flowmeter with streamline section
09/27/1988US4774680 Method and apparatus for net oil measurement
09/27/1988US4774676 Linear digital flowmeter
09/27/1988US4774453 Measuring flow of insulating fluids
09/27/1988US4773275 Seal for ceramic flow tube
09/27/1988US4773274 Electromagnetic flow meter
09/27/1988US4773273 Karman vortex flowmeter
09/27/1988US4773257 Method and apparatus for testing the outflow from hydrocarbon wells on site
09/22/1988WO1988007205A1 A system for determining liquid flow rate through leaks in impermeable membrane liners
09/22/1988WO1988007131A1 Mass flow fuel injection control system
09/22/1988WO1988005915A3 Marine instrument
09/21/1988EP0283031A2 Suction air measuring device
09/21/1988EP0283030A2 Device for measuring amount of engine suction air
09/21/1988EP0282552A1 Mass flow meter for flowing media, equipped with coriolis force measuring systems.
09/21/1988EP0282529A1 Auto zero circuit for flow meter.
09/21/1988CN87217220U Divided flange draw pressure throttling device
09/21/1988CN87211968U Inserted transfer device for electromagnetic flux
09/20/1988US4771632 In an internal combustion engine
09/15/1988DE3806800A1 Device for monitoring the fluid flow in flow lines
09/15/1988DE3706622A1 Process and device for determining the rate of flow of air
09/14/1988EP0282217A2 Mass flow measurement
09/14/1988CN87216916U Floating ring scrape flow meter
09/14/1988CN87101677A Electromagnetic flowmeter
09/13/1988US4770048 Flow meter support and retainer
09/13/1988US4770037 Method for determining the flow of a fluid
09/13/1988US4770036 Apparatus for measuring velocity of flow
09/13/1988US4770035 Airflow measurement utilizing vortex shedding
09/07/1988WO1988006736A1 Fluid leak detection system for determining the rate of fluid leakage through a geomembrane
09/06/1988US4769135 Having frangible link; predetermined rupture point
09/06/1988US4769097 Fitting irregular shaped member into through hole of unsintered ceramic body; sintering, cooling
09/06/1988US4768489 Fuel control apparatus
09/06/1988US4768387 Flowmeter
09/06/1988US4768386 For mounting in an air stream to measure total and static pressure
09/06/1988US4768385 Parallel path Coriolis mass flow meter
09/06/1988US4768384 Mass flow meter operating by the Coriolis principle
09/06/1988CA1241580A1 Volumetric flow rate determination in conduits not directly accessible
09/01/1988DE3732703A1 Compound water meter
09/01/1988DE3705240A1 Process and equipment for controlling the corrosion protection and/or the mechanical cleaning of heat exchanger pipes
08/1988
08/30/1988US4766770 Low duty cycle electromagnetic flowmeter
08/24/1988EP0279639A2 Dual heating system
08/23/1988US4765751 Of a gaseous stream flowing in a downstream direction
08/23/1988US4765326 Low-flow alarm system for powdered air-purifying respirator
08/23/1988CA1241105A1 Reflective acoustic fluid flow meter
08/23/1988CA1240854A1 Reaction mass flowmeter
08/23/1988CA1240852A1 Device for sampling and measuring the flow of a liquid under constant or pulsed circulation conditions
08/17/1988EP0278946A1 Apparatus for determining the mass of pumpable and flowable foods, especially milk
08/17/1988EP0278671A1 Method and apparatus for measurement of fluid flow in a drilling rig return line
08/17/1988EP0278600A2 Mass flowmeter apparatus and method
08/17/1988EP0278531A2 Vortex flow meter frequency adjustment
08/16/1988US4763681 Process for controlling the flow of a fluid in a valve and apparatus for carrying out said process
08/16/1988US4763626 For an internal combustion engine
08/16/1988US4763530 Apparatus and method for continuously measuring mass flow
08/16/1988US4763513 For transmitting and/or receiving sonic energy
08/11/1988WO1988005915A2 Marine instrument
08/10/1988EP0277240A1 Apparatus for measuring the amount of the air intaken by the engine
08/10/1988CN87204685U Diesel-engine working-hour calculating instrument
08/10/1988CN87101870A Dense granular body flow measuring device
08/09/1988US4763114 Fluid flow indicator
08/09/1988US4762668 Venturi flow nozzle ultrasonic cleaning device
08/09/1988US4762012 Universal upstream-downstream flowmeter tester
08/09/1988US4762004 Gas flowmeter and soap bubble generator
08/09/1988US4761995 Direct-heated flow measuring apparatus having improved sensitivity and response speed
08/09/1988CA1240212A1 Visual flow indicator
08/04/1988DE3707138A1 Electromagnetic sensor, in particular flow sensor
08/03/1988EP0276380A1 Device for temperature compensation in a thermal mass flow meter
08/03/1988CN87216958U Steam flow sensor
08/03/1988CN87101303A Automatic open-canal water-measuring instrument
08/02/1988US4760864 Devices forming parts of regulatory systems for providing an output in the form of rectilinear motion with an input of both rotary and rectilinear motion
08/02/1988US4760744 Mass flow meter based on the coriolis principle
08/02/1988US4760743 Acoustic scintillation liquid flow measurement
08/02/1988US4760739 Ultrasonic transmit-receive probe
08/02/1988US4760684 Bags
07/1988
07/28/1988WO1988005526A1 Flow measuring device
07/28/1988WO1988005383A1 Method of making and filling bags