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)
11/1989
11/23/1989EP0101509B1 Ultrasonic transducers
11/23/1989DE3904224A1 Vortex flowmeter
11/23/1989DE3816623C1 Vortex flowmeter
11/22/1989CN2048185U Turbo-gas flowmeter with high sensitivity
11/22/1989CN2048184U Wet-type water meter with digital rotary-wing
11/21/1989US4881413 Blood flow detection device
11/21/1989US4881407 Hot wire air flow meter
11/16/1989WO1989011123A1 Current source for a variable load with an inductive component
11/16/1989WO1989011084A1 Mass flow measuring apparatus based on the coriolis principle
11/16/1989WO1989011083A1 A flowmeter
11/16/1989WO1989011082A1 Method of and apparatus for weighing a continuous stream of fluent material
11/16/1989WO1989010685A1 Device for automatically measuring the quantity of milk extracted by milking installation
11/16/1989DE3815262A1 Device for holding an electrical thin-film resistor which is constructed in the form of a plate
11/16/1989DE3814791A1 Propeller meter
11/15/1989CN2047781U Minor-caliber ultrasonic flowmeter
11/15/1989CN1037209A Flow measuring rod
11/14/1989US4880039 Increasing the accuracy of liquid volume measurements utilizing liquid level sensing
11/14/1989US4879912 Unitized instrument manifold
11/14/1989US4879911 Coriolis mass flow rate meter having four pulse harmonic rejection
11/14/1989US4879910 Torsional vibration convective inertia force flowmeter
11/14/1989US4879909 Vortex shedding flowmeter
11/14/1989US4879908 Suction air measuring device
11/14/1989US4879907 Soap film flowmeter
11/14/1989US4879898 Apparatus for shielding and protecting an air flow rate meter disposed in the intake tube of an internal combustion engine from air column fluctuations
11/14/1989CA1262970A1 Flow rate measurement
11/08/1989EP0340766A2 Compensation method for noise voltage from the electrode circuit of a magneto-inductive flow meter and for offset voltage originating from the amplifier
11/07/1989US4879662 Fluid flow self calibration scheme
11/07/1989US4878386 Karman vortex sensor type flow rate measuring system
11/07/1989US4878385 Differential pressure sensing apparatus
11/02/1989EP0339626A1 Sensor
11/02/1989EP0339140A1 Grain loss monitors for harvesting machines
11/02/1989DE3813383A1 Flow indicator
11/01/1989CN2047009U Electron distant reading glass rotameter
10/1989
10/31/1989US4876898 High temperature coriolis mass flow rate meter
10/31/1989US4876897 Steam quality measurement apparatus and method
10/31/1989US4876887 Thermal flux mass flowmeter
10/31/1989US4876880 Densimeter
10/31/1989US4876879 Apparatus and methods for measuring the density of an unknown fluid using a Coriolis meter
10/26/1989DE3812339A1 Method for the measurement of volume flows of liquid, vaporous or gaseous media
10/25/1989EP0339016A1 Flowmeter
10/25/1989EP0337996A1 Vortex-shedding flowmeters.
10/24/1989US4876056 Flow measurement
10/24/1989US4875932 Apparatus for measuring a flow rate
10/24/1989US4875377 Flowmeters
10/19/1989WO1989009877A1 Two cycle engine with low pressure crankcase fuel injection
10/19/1989DE3811946A1 Electrical flowmeter
10/18/1989EP0337887A2 Integrated multipurpose expansion station for supplying a secondary gas distribution network
10/18/1989EP0337292A2 Intermittent voltage application on an electrode
10/18/1989EP0337092A2 Flowmeter for fluids
10/18/1989CN2046205U Hand-moving returning number disc indicating water meter
10/17/1989US4873989 Fluid flow sensing apparatus for in vivo and industrial applications employing novel optical fiber pressure sensors
10/17/1989US4873943 Milk flow indicator
10/17/1989US4873873 Air flow metering terminal and control system
10/17/1989US4873872 Float for fluid measurements
10/12/1989DE3810889A1 Swirl (turbulence) flowmeter
10/11/1989EP0336615A1 Electromagnetic flowmeter capable of simultaneous measurement of flow rate and conductivity of fluid
10/11/1989EP0198910B1 Process and device for detecting slag
10/11/1989CN2045842U Electronic measuring device for material flow
10/10/1989US4872351 Net oil computer
10/10/1989US4872339 Mass flow meter
10/05/1989DE3810034A1 Magnetic-inductive flowmeter
10/04/1989EP0335058A1 Device for metering the mass of natural gas for fueling motor vehicles
10/04/1989EP0335040A2 Variable gas volume flow measuring and control methods and apparatus
10/03/1989USRE33076 Air flow meter circuit with temperature compensation circuit
10/03/1989US4871908 Overload protection for fiber optic microbend sensor
10/03/1989US4870860 Direct-heated flow measuring apparatus having improved response characteristics
10/03/1989US4870857 Throttle body with internally mounted anemometer
10/03/1989US4870745 Methods of making silicon-based sensors
09/1989
09/28/1989DE3809110A1 Einrichtung zur gasmassenstrommessung Device for gas mass flow measurement
09/28/1989DE3809109A1 Device for air mass measurement
09/28/1989DE3809108A1 Einrichtung zur gasstrommessung Device for gas flow measurement
09/28/1989DE3808461A1 Coriolis mass flow measurement with a measuring tube which can be deformed in its cross-section
09/27/1989EP0333784A1 Convective inertia force flowmeter
09/27/1989EP0333713A1 Apparatus and methods for measuring the density of an unknown fluid using a coriolis meter.
09/27/1989CN1035891A Apparatus of electromagnetic flowmeter eleotrode
09/27/1989CN1035890A Method of determining quality of steam for stimulating hydrocarbon production
09/26/1989US4869103 Water flow measuring and dispersing device
09/26/1989US4869099 Device for detecting the amount of the air intaken by an internal combustion engine
09/26/1989CA1261170A1 Ferromagnetic wear detector and method
09/26/1989CA1261028A1 Overload protection for fiber optic microbend sensor
09/26/1989CA1259820A1 Flow meter for measuring the flow rate of liquid
09/20/1989EP0332942A1 Fluid flow stabilizing apparatus
09/20/1989EP0332829A2 Device for measuring the yield of oil wells
09/20/1989EP0332690A1 Enhanced pressure measurement flow control system
09/20/1989EP0332612A1 Ferromagnetic drive and velocity sensors for a coriolis mass flow rate meter.
09/20/1989CN2044724U Water meter
09/19/1989US4868856 Multi-component flow measurement and imaging
09/19/1989US4867842 Masking, anisotropic etching
09/19/1989US4866985 Bucket wheel assembly for a flow measuring device
09/14/1989DE3806764A1 Constant-temperature anemometer
09/13/1989EP0331773A1 Flow-resistant pipe for a gas flow meter
09/13/1989EP0331772A1 Differential pressure meter for bidirectional flows of gas
09/13/1989CN1035559A Vortex flowmeter transducer
09/12/1989US4865540 Air flow measurement device for fluidized bed reactor
09/12/1989US4864871 Transducer for fluid flow
09/12/1989US4864870 Analog flow meter instrument
09/12/1989US4864869 Flowmeter with faraday effect optical switch readout
09/12/1989US4864868 Vortex flowmeter transducer
09/12/1989US4864855 Hot wire type flow sensor
09/12/1989US4864724 Planar mounting of silicon micromachined sensors for pressure and fluid-flow measurement
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