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)
11/1999
11/17/1999CN2349546Y Four-piston leather bowl type flowmeter
11/17/1999CN2349544Y Ic卡智能水表 Ic card smart meter
11/17/1999CN1235671A Method and device for measuring volumetric flow of fluid
11/17/1999CN1235670A Ultrasonic fluid meter with improved resistance to parasitic ultrasonic waves
11/16/1999US5986573 Method and apparatus for metering building structures
11/16/1999US5986553 Flow meter that measures solid particulate flow
11/16/1999US5983943 Fluidic oscillator comprising an obstacle with an improved profile
11/16/1999US5983730 Method and apparatus for measuring the time of flight of a signal
11/16/1999US5983700 Calibration method of a flow sensor output
11/12/1999CA2267993A1 Flow rate sensor
11/11/1999WO1999056617A1 Method for measuring flow in narrow channels, comprising a temperature and a pressure sensor
11/11/1999DE19819855A1 Luftmassensensor Air mass sensor
11/10/1999EP0955524A2 Mass air flow sensor
11/10/1999CN2348359Y Integral throttling flowmeter
11/10/1999CN2348358Y Automatic metering device for oil, gas and water
11/10/1999CN2348357Y Anti-theft tap water meter
11/10/1999CN2348356Y Sealed driving high-pressure water-filling meter
11/10/1999CN2348355Y Liquid sealed water meter
11/10/1999CN1234864A Gas meter with improved resistance to dust
11/09/1999USRE36376 Stability coriolis mass flow meter
11/09/1999US5983164 Method and apparatus for measuring and controlling the flow of natural gas from gas wells
11/09/1999US5980835 A chamber for mixing air with a toxic gas, comprising a detector for detecting differential air pressures, generating a signal through a transmitter and signal converter serving a logic controller
11/09/1999US5980466 Biodegradable air tube and spirometer employing same
11/09/1999US5980102 Method for measuring physical characteristics in a pipeline without tapping
11/09/1999US5979493 Flood control device
11/09/1999US5979247 Flow sensor having a fixed resistance and a variable resistance
11/09/1999US5979246 Spring rate balancing of the flow tube and a balance bar in a straight tube Coriolis flowmeter
11/09/1999CA2083587C Apparatus for measuring the flowrate of a fluid
11/09/1999CA2047735C Flowmeter
11/04/1999WO1999056135A1 A liquid flow meter
11/04/1999WO1999056101A2 A leakage detector, a latching solenoid, a flow meter, and a liquid dispensing apparatus including same
11/04/1999WO1999056092A1 Flow sensor
11/04/1999WO1999056091A1 Measuring a gas mass fraction
11/04/1999WO1999056090A1 Flow rate measuring device
11/04/1999WO1999056089A1 System for measuring volume and flow rate
11/04/1999DE19861073A1 Flow measuring device with measuring pipe and ultrasonic transducers
11/04/1999CA2330068A1 Flow rate measuring device
11/03/1999WO1999011574A1 Hollow fine powder, flaky fine titanium oxide powder prepared by pulverizing said hollow fine powder, and process for preparing the both
11/03/1999EP0953827A1 Open channel flowmeter utilizing surface velocity and lookdown level devices
11/03/1999EP0952786A1 Measurement of volumetric fluid flow and its velocity profile
11/03/1999CN2347142Y Gas flowmeter
11/03/1999CN2347141Y Elbow flowmeter
11/03/1999CN1234113A Exhaust gas measuring instrument
11/03/1999CN1233748A Method for continuous back-flushing cleaning in differntial pressure type flow measuring system
11/02/1999US5975126 Method and apparatus for detecting and controlling mass flow
11/02/1999US5974897 Ultrasonic flow meter
11/02/1999CA2107750C Apparatus for determining fluid flow
10/1999
10/28/1999WO1999054689A1 Method of manufacturing composite flow sensor and capacitive microflow sensor
10/27/1999EP0952431A2 Optical flow meter
10/27/1999EP0952430A1 Ultrasonic flow meter
10/27/1999EP0951308A1 Medicament dosing system
10/27/1999CN2345958Y Internal hidden double-venturi-tube
10/27/1999CN2345957Y Tri-rotor flowmeter with autogeny power source and automatic lubricating
10/27/1999CN2345956Y Anti-theft water meter for measuring
10/27/1999CN1233322A Method and apparatus for measuring pressure in a coriolis mass flowmeter
10/27/1999CN1046027C Flow measuring device
10/27/1999CN1046026C Method for determining fluid velocity and electronic flowmeter
10/26/1999US5972117 Method and apparatus for monitoring generation of liquid chemical vapor
10/26/1999US5970802 Relating to mass flow measuring apparatuses
10/26/1999US5970801 Variable orifice flow sensor
10/26/1999US5970800 Method of determining the mass flow of a flow of grains
10/26/1999US5970799 Electromagnetic flow probe
10/26/1999US5970790 Method and device for measuring flows of fluids, based on temperature-differences between two heat-conducting bodies, one of which contains the fluid-flow
10/23/1999CA2269299A1 Optical device
10/21/1999WO1999053276A1 Measuring device for measuring the mass of a flowing medium
10/21/1999WO1999053275A1 Device for measuring the mass of a flowing medium
10/21/1999WO1999053274A1 Measuring device for measuring the mass of a medium flowing in a line
10/21/1999DE19914576A1 Enlarging measuring range of vol. flow meter units for fluid with throttle orifice so that flowing fluid pressure before and after valve is measured and pressure difference is converted to signal
10/21/1999DE19913654A1 Throughput measuring system with throughput duct so provided in main duct for fluid to run essentially parallel to main duct and throughput measuring sensor positioned in
10/20/1999EP0950877A2 Compact meter for liquids
10/20/1999CN2344757Y Intelligence water meter using contact memory card
10/20/1999CN2344756Y High precision measurer for measuring groundwter current speed and flow
10/19/1999US5969266 Flow meter pitot tube with temperature sensor
10/19/1999US5969265 Coriolis flowmeter having its flow calibration factor independent of material density
10/19/1999US5969264 Method and apparatus for total and individual flow measurement of a single-or multi-phase medium
10/19/1999US5969263 Ultrasonic fluid counter for attenuating parasitic ultrasonic waves
10/19/1999US5967166 Sealing assembly and method
10/14/1999WO1999051946A1 Method for measuring a mass flow rate and corresponding detector
10/14/1999WO1999051945A1 A method and a device for determining the flow rate of a flowing medium
10/14/1999WO1999051944A1 Ultrasound flowmeter which functions according to the delay correlation method
10/14/1999WO1999051943A1 Gas meter and regulator combination
10/14/1999WO1999041572A9 Free standing coriolis driver
10/14/1999DE19815658A1 Vorrichtung zum Messen der Masse eines strömenden Mediums Apparatus for measuring the mass of a flowing medium
10/14/1999DE19815656A1 Meßvorrichtung zum Messen der Masse eines strömenden Mediums Measuring device for measuring the mass of a flowing medium
10/14/1999DE19815654A1 Meßvorrichtung zum Messen der Masse eines in einer Leitung strömenden Mediums Measuring device for measuring the mass of a medium flowing in a line
10/14/1999DE19815463A1 Durchflußmeßgerät Flowmeter
10/14/1999DE19815199A1 Ultraschall-Durchflußmesser nach dem Laufzeitkorrelationsverfahren Ultrasonic flow meter according to the run-time correlation method
10/14/1999DE19814972A1 Measuring fluid flow in a flow channel to or from a machine, esp. for measuring the air flow to an internal combustion engine
10/14/1999DE19812551A1 Microbiological gas test assembly has sterile filter supplying gas sample
10/13/1999EP0949486A2 Two-way valve for regulating and measuring the flow rate of a fluid
10/13/1999EP0949485A2 Method and apparatus for measuring physical parameters
10/13/1999EP0949484A1 Flowmeter
10/13/1999CN2343577Y Flow-meter
10/13/1999CN2343576Y Digital display target-type flowmeter
10/13/1999CN1231725A 改进了的流量计 Improved flowmeter
10/13/1999CN1045657C Technique for surstatially eliminating temp. induced measurement errors from coriolis meter
10/12/1999US5965826 Single jet liquid meter with improved sensitivity and regulation effect
10/12/1999US5965824 Vibration type measuring instrument
10/12/1999US5965813 Integrated flow sensor
10/12/1999US5965812 Flow sensor