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)
12/2003
12/24/2003WO2003106934A1 Flow meter
12/24/2003WO2003106933A1 High accuracy measuring and control of low fluid flow rates
12/24/2003WO2003106932A1 Pumping system for oil wells
12/24/2003WO2003106931A2 Drive techniques for a digital flowmeter
12/24/2003WO2003106323A2 Device for measuring or checking a fluid, in particular for drink vendors, and method for manufacturing said device
12/24/2003WO2003067199A3 Method and apparatus using turbine flow meter to measure fluid flow therethrough without reference to viscosity
12/24/2003CN2594770Y Throttling differential pressure flowmeter
12/24/2003CN2594769Y Unitary curved tube flow meter with wide range
12/24/2003CN2594768Y Self-vibration absorbing floating differential flow pickup
12/24/2003CN2594767Y Intelligent watermeter
12/24/2003CN2594766Y High-sensitive watermeter
12/24/2003CN1132001C Flowmeter
12/24/2003CN1132000C Coriolis-type mass flow sensor with single measuring tube
12/24/2003CN1131999C Method of fastening metal body to measure tube of coriolis-type mass flow sensor
12/24/2003CN1131998C Device for measuring quantity of fluid medium
12/24/2003CN1131997C Method for electromagnetic flow measurement and corresponding flowmeter
12/24/2003CN1131996C 涡流传感器 Eddy current sensors
12/24/2003CA2490187A1 Device for manufacturing an axial flow meter
12/24/2003CA2487863A1 Pumping system for oil wells
12/23/2003US6666209 Method and system of calibrating air flow in a respirator system
12/23/2003US6666098 Vibratory transducer
12/23/2003US6666088 Accelerometer without proof mass
12/23/2003US6666082 Thermal airflow sensor
12/23/2003US6666070 Method for testing the integrity of DPFs
12/18/2003WO2002100728A3 Liquid handling system with electronic information storage
12/18/2003US20030233203 Regulator flow measurement apparatus
12/18/2003US20030230307 Portable drag compressor powered mechanical ventilator
12/18/2003US20030230277 Intake flow rate detecting apparatus of internal combustion engine and method of same
12/18/2003US20030230150 Transducer and method for measuring a fluid flowing in a pipe
12/18/2003US20030230149 Ultrasonic flow-measuring method
12/17/2003EP1371837A2 Intake flow rate detecting apparatus of internal combustion engine and method of same
12/17/2003EP1370835A2 Sensor chip with additional heating element, method for preventing a sensor chip from being soiled, and use of an additional heating element on a sensor chip
12/17/2003EP1370386A2 System and process for the treatment of gaseous emissions
12/17/2003CN2593163Y Continuous powder material flowmeter
12/17/2003CN2593162Y Movable orifice flow sensor
12/17/2003CN2593161Y Float mass-flow sensor
12/17/2003CN2593160Y Float flowmeter sensor
12/17/2003CN2593159Y Wide-range float flow sensor
12/17/2003CN2593158Y Cavity flow sensor
12/17/2003CN2593157Y High snsitivity water meter
12/17/2003CN1462364A Method and apparatus for bonding connecting ring to flow tube and balance bar of Coriolis flowmeter
12/17/2003CN1131419C Impulse flow meter
12/11/2003WO2003102974A1 Platinum thin film and thermal sensor
12/11/2003WO2003102514A1 Process connection adapter for a meter calibration system
12/11/2003WO2003102513A1 Doppler type ultrasonic flowmeter, flow rate measuring method using doppler type ultrasonic flowmeter and flow rate measuring program used in this doppler type ultrasonic flowmeter
12/11/2003WO2003102512A1 Ultrasonic measurement of the running time and quantity for detecting the concentration of particles in a flowing fluid
12/11/2003WO2003102511A2 Monitoring of two-phase fluid flow using a vortex flowmeter
12/11/2003WO2003101887A2 Three-dimentional components prepared by thick film technology and method of producing thereof
12/11/2003WO2003101678A1 Negative pressure attraction device and attraction confirming sensor
12/11/2003WO2003101607A1 Two-channel flow measuring cell
12/11/2003WO2003054792A3 System and methods for measuring at least one metabolic rate of a plurality of cells
12/11/2003WO2003023330A3 Clamp-on gas flowmeter
12/11/2003US20030226407 Position measuring device using change in inductance of coil, float-type flowmeter, and position measuring method
12/11/2003US20030226406 Flow-indicating device and associated mechanism and method
12/11/2003US20030226405 Flow meter
12/11/2003DE10229794C1 Fluid flowmeter has measured fluid flow directed tangentially across turbine wheel blades between symmetrically angled entry and exit channels coupled to central entry and exit connections
12/11/2003DE10225722C1 Test sensor, for detecting pipeline fluid flow in fire extinguishing installation, has measuring sensor immersed in flow medium along pipeline and associated electronic evaluation stage contained within sensor housing
12/11/2003CA2526070A1 Monitoring of two-phase fluid flow using a vortex flowmeter
12/10/2003EP1369672A1 Mass flow measurement device using pressure loss inducers
12/10/2003EP1368628A2 Sewer flow monitoring method and system
12/10/2003EP1368621A2 Gas meter
12/10/2003EP1017931B1 sensor for determining the air induced by an internal combustion engine
12/10/2003CN2591580Y Integrated intelligent differential pressure type flowmeter
12/10/2003CN2591579Y Gas turbin flowmeter
12/10/2003CN2591578Y Fuel box cover type computer fuel filling meter
12/10/2003CN1461430A Mass flow meter systems and methods
12/10/2003CN1461405A Equipotential surface sensor chip and use of equipotential surface on sensor chip, and method for preventing sensor chip from being soiled
12/10/2003CN1460839A Flow sensor and its mfg. method
12/10/2003CN1130607C Fitting for pipeline regulating
12/10/2003CN1130550C Sensor with diaphragm
12/09/2003US6662121 Determines kind of fluid on basis of temperature and flow rate
12/09/2003US6662120 Excitation circuits for coriolis mass flowmeters
12/09/2003US6661693 Circuit for programming antifuse bits
12/09/2003US6659962 Respiratory measurement system with continuous air purge
12/09/2003US6658945 Vortex flowmeter with measured parameter adjustment
12/09/2003US6658944 Simultaneous determination of multiphase flowrates and concentrations
12/09/2003US6658931 Fluid flow sensing and control method and apparatus
12/09/2003US6658720 Method of manufacturing an electromagnetic flow sensor
12/09/2003US6658710 Method for fabricating an annular ring transducer
12/04/2003WO2003100391A1 System and method for mass flow detection device calibration
12/04/2003WO2003100358A1 Thermal flowmeter
12/04/2003WO2003100357A1 Ultrasonic flowmeter and ultrasonic flowmetering method
12/04/2003WO2003100356A1 Slotted flow restrictor for a mass flow meter
12/04/2003WO2003100354A2 Mass flowmeter with integration of acceleration forces on a tube and system using the mass flowmeter
12/04/2003WO2003087732A3 Method for measuring the flow rate in channel shafts
12/04/2003US20030225538 Meter calibration system and apparatus
12/04/2003US20030221484 Measuring weir for measuring flow volume at an overflow
12/04/2003US20030221483 High accuracy measuring and control of low fluid flow rates
12/03/2003EP1366392A2 Low power regulator system and method
12/03/2003EP1366341A1 Converter for ultrasound flowmeter
12/03/2003EP1038160B1 Method and device for the self-compensating measurement of volume flow rate of gases
12/03/2003CN2589948Y Monitoring device for measuring coal dust loading
12/03/2003CN2589947Y High accuracy LCD flowmeter
12/03/2003CN2589946Y Multiple flow rate test well
12/03/2003CN2589945Y Current diverting type pipeline flow gauging apparatus
12/03/2003CN2589944Y Mini fuel filling meter for car
12/03/2003CN1460175A Flowmeter
12/03/2003CN1129781C Piping leakage detecting appts
12/02/2003US6657441 Method and apparatus for determining flow velocities
12/02/2003US6655221 Measuring multiphase flow in a pipe