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)
12/2002
12/17/2002US6494090 Air-mass sensor
12/12/2002WO2002099551A1 Steam to carbon ratio control in steam reforming of hydrocarbons
12/12/2002WO2002099439A2 Fluoropolymer flowmeter
12/12/2002WO2002099363A1 Transducer of the vibration type
12/12/2002WO2002090782A8 Jet active oscillator and oscillating flow meters based thereon (variants)
12/12/2002US20020186140 Apparatus and method for detecting a change in fluid flow
12/12/2002US20020184940 Single tube downhole densitometer
12/12/2002DE10144327C1 Airflow sensor for measuring air mass sucked in by an internal combustion engine has a plug-in area with an inlet opening for an air stream intake and an outlet opening for the air stream
12/11/2002EP1264161A2 Initialization algorithm for drive control in a coriolis flowmeter
12/11/2002EP1264160A2 Fluid flow sensing and control method and apparatus
12/11/2002CN2525511Y Measuring device for bulk material flow
12/11/2002CN2525479Y Flow well logging instrument for producing well float
12/11/2002CN2525478Y Non-contact pressure measuring type sewage flow meter with gravity automatic correcting function
12/10/2002US6493642 Method of determining mass flow rate by the Coriolis principle
12/10/2002US6491241 Device for the dispersal and charging of fluidized powder
12/10/2002US6490933 Ultrasonic flow meter with reduced noise
12/10/2002US6490915 Thermal type air flow sensor and control device for a vehicle
12/05/2002WO2002097379A1 Flowmeter proving device and method
12/05/2002WO2002097376A1 Coriolis flowmeter
12/05/2002WO2002073141A3 Gas meter for the measurement and standardized metering of a gas stream
12/05/2002US20020183951 Methods, apparatus, and computer program products for determining structural motion using mode selective filtering
12/05/2002US20020183941 Mass flowmeter methods, apparatus, and computer program products using correlation-measure-based status determination
12/05/2002US20020178837 Apparatus and method for measuring fluid flow
12/05/2002US20020178836 Flow measuring device
12/05/2002US20020178807 Thermosensitive flow rate detecting device
12/05/2002US20020178806 Steam to carbon ratio control in steam reforming of hydrocarbons
12/05/2002US20020178803 Downhole densitometer
12/05/2002DE10126484A1 Flow meter has two grids arranged in measurement pipe via which light beam is passed that produces changing Moire pattern depending on flow that is detected by sensor
12/05/2002DE10124964A1 Sensor zur Messung von Strömungsgeschwindigkeiten und Verfahren zu dessen Betrieb Sensor for the measurement of flow velocities and method for its operation
12/04/2002EP1261846A1 Simultaneous determination of multiphase flowrates and concentrations
12/04/2002EP0815415B1 Coriolis effect mass flowmeter using concentric rotors
12/04/2002CN2524219Y Input air sampler
12/04/2002CN1095538C Ke's mass flowmeter digital signal processing system
12/03/2002US6489784 Method and apparatus for measuring parameters of material
12/03/2002US6487919 Turbine flow monitoring device
12/03/2002US6487918 Airflow sensor for averaging total pressure
12/03/2002US6487917 Low thermal stress balance bar for a coriolis flowmeter
12/03/2002US6487916 Ultrasonic flow metering system
12/03/2002US6487904 Method and sensor for mass flow measurement using probe heat conduction
12/03/2002CA2082057C Valve system with removable fluid interface
11/2002
11/28/2002WO2002095340A1 Servo type volumetric flowmeter
11/28/2002WO2002095339A1 Heating resistor type flow measuring device
11/28/2002WO2002095338A2 Thermal flow sensor
11/28/2002WO2002095337A1 Sensor structure and sensor arrangement for measuring flow data on a flow body
11/28/2002WO2002095336A2 Propane tank level monitoring device and system
11/28/2002WO2002095300A1 Flow-measuring apparatus in air venting and conditioning systems
11/28/2002WO2002095146A1 Flow measuring device for examination without water cut-off, and endoscope inserter
11/28/2002WO2002060805A3 Fluid delivery system
11/28/2002WO2002057721A3 Non-invasive time of light flow measurement in a capillary
11/28/2002US20020176646 Optical probes and probe systems for monitoring fluid flow in a well
11/28/2002US20020175802 Sensor with a planar effective sensor surface
11/28/2002US20020174898 Mass flow meter systems and methods
11/28/2002US20020174730 Vibratory transducer
11/28/2002US20020174729 Method of dynamically compensating a process signal
11/28/2002US20020174728 Apparatus and method of sensing fluid flow
11/28/2002US20020174724 Micromechanical component
11/28/2002US20020174718 Thermosensitive flow rate sensor
11/28/2002US20020174717 Injection-amount measuring unit
11/28/2002DE10218743A1 Injection amount measuring unit for fuel injector, includes volume enlargement chamber with passage area larger than that of fluid inflow and outflow passages
11/28/2002DE10200187A1 Flow rate detector for vehicle engines, has gain compensation unit that amplifies signal from flow detector with alternating current gain in frequency range greater than minimum pulsating frequency of fluid
11/28/2002DE10124595A1 Gas mass flow determination for exhaust turbo charger of motor vehicle, by evaluating characteristic curves for variation of gas volume flow through compressor and gas mass flow through turbine
11/28/2002DE10124530A1 Sensor structure for measuring state of flow on body such as aircraft in a flow has heating elements in region of structural member with paths to pressure transducer system
11/28/2002DE10121826A1 Oscillating-jet fluid meter has sensor elements which detect oscillation of impact body rotatably mounted on axis perpendicular to channel axis
11/28/2002CA2446891A1 Method and system for analyzing the effect of inflow and infiltration on a sewer system
11/28/2002CA2443316A1 Propane tank level monitoring device and system
11/27/2002EP1260798A1 Vibration type measuring transducer
11/27/2002EP1260797A2 Flow meter
11/27/2002EP1260240A2 Device for measuring and controlling a liquid flow.
11/27/2002EP1259782A1 Apparatus for and a method of fabricating a coriolis flowmeter formed primarily of plastic
11/27/2002EP1259781A1 Capacitance flowmeter
11/27/2002EP0927338B1 Coriolis flowmeters using fibers and anisotropic material to control selected vibrational flowmeter characteristics
11/27/2002CN2522832Y Hollow curved plate water measuring instrument
11/27/2002CN2522831Y High-sensitivity cold-water meter
11/27/2002CN1382253A Intrinsically safe signal conditioner for coriolis flowmeter
11/27/2002CN1095072C Coriolis effect mass flowmeter using single rotor having a flexible sensing element
11/27/2002CN1095071C Eddy flowmeter
11/27/2002CN1095070C Vortex flow meter detector and vortex flow meter
11/26/2002US6487507 Remote signal conditioner for a Coriolis flowmeter
11/26/2002US6485263 Systems for determining the volume of a volumetric chamber and pumping a fluid with a pump chamber
11/26/2002US6484750 Compressed gas regulator and flowmeter
11/26/2002US6484591 Mass flow rate/density sensor with a single curved measuring tube
11/26/2002US6484590 Method for measuring fluid flow
11/26/2002CA2124258C Method and apparatus for leak detection and pipeline temperature modelling method and apparatus
11/21/2002WO2002093154A1 System and method for monitoring the composition of a magnetically permeable material
11/21/2002WO2002093114A1 Venturi flowmeter for use in an exhaust sampling apparatus
11/21/2002WO2002093057A1 Method and apparatus for metering a flow rate of a fluid
11/21/2002WO2002066934A3 Coriolis mass flow meter using mode selective filtering
11/21/2002US20020173923 Sewer flow monitoring method and system
11/21/2002US20020172323 Device for detection of extravasation
11/21/2002US20020170363 Protective device for a mass flow sensor disposed in an air intake channel
11/21/2002US20020170362 Method and apparatus for flow control of NH3
11/21/2002US20020170352 Flow rate detector
11/21/2002US20020170351 Flow divider
11/21/2002US20020170342 Flowmeter for pressure-driven chromatography systems
11/20/2002EP1257790A1 Method and apparatus for balancing resistance
11/20/2002EP1257789A2 Slant fabric spirometer design
11/20/2002CN1380971A Device for measuring at least one parmaeter of medium that flows in a conduit
11/20/2002CN1380970A Device for determining at least one parameters of flowing gas-liquid mixture and use of low rectifier as condensation trap for liquid contained in gas stream
11/20/2002CN1094469C Acid-base sewage pH value self-control drainage treatment technology
11/19/2002US6481293 Elbow mounted turbine flowmeter