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)
05/2003
05/28/2003EP1314966A1 Flow metering method and flowmeter
05/28/2003EP1314042A2 Microsensor for measuring velocity and angular direction of an incoming air stream
05/28/2003CN2553347Y Damping constant-current device for measuring pulsating airflow
05/28/2003CN2553346Y Stress type swirl flowmeter
05/28/2003CN2553345Y Integrated tubular swirl flowmeter
05/28/2003CN2553344Y Micro-flow sensor
05/28/2003CN2553343Y Drip counter
05/28/2003CN1420980A Universal input to DC output conversion circuitry
05/28/2003CN1420341A Electromagnetic differential vortex street flowmeter
05/28/2003CN1109879C Device for measuring mass of flowing medium
05/27/2003US6570647 Measuring method and measuring system
05/27/2003US6568281 Ultrasonic-wave propagation-time measuring method, gas-pressure measuring method, gas-flow rate measuring method, and gas sensor
05/27/2003US6568261 Hot wire gas flow sensor
05/27/2003US6568257 Cylinder air charge estimate
05/27/2003CA2247676C Distribution device for a liquid medium-operated circuit of a heating or cooling system
05/22/2003WO2003042638A1 Method of measuring flow of fluid moving in pipe or groove-like flow passage
05/22/2003WO2003042637A1 Method and device for determining the volumetric flow rate of milk flowing during a milking process
05/22/2003US20030094945 Non-volatile passive revolution counter
05/22/2003US20030094467 Fluid dispensing valve and method of use
05/22/2003US20030094052 Dual function flow conditioner and check meter
05/22/2003US20030094041 Apparatus for measuring flow amount
05/21/2003EP1311822A2 Method and apparatus for determining the composition of fluids
05/21/2003EP1311728A1 Control gates
05/21/2003EP1093568A4 Gas meter and regulator combination
05/21/2003CN2551975Y Pipe expanding throttling device
05/21/2003CN1419648A A method and apparatus for operating coriolis flowmeters at cryogenic temperatures
05/21/2003CN1419108A Vane type flow detector
05/21/2003CN1109129C Gas-conveying quantitative distributing pipe
05/20/2003US6566849 Non-linear temperature compensation circuit
05/20/2003US6565765 Method for manufacturing a sensor having a membrane
05/20/2003US6564825 Mass flow meter systems and methods
05/20/2003US6564824 Mass flow meter systems and methods
05/20/2003US6564651 Modular high-temperature gas flow sensing element for use with a cyclone furnace air flow measuring system
05/20/2003US6564650 Dual loop coriolis effect mass flowmeter
05/20/2003US6564649 Ultrasonic doppler flow-meter
05/20/2003US6564629 Thermal flowmeter
05/20/2003US6564619 Multiphase flow measurement system
05/20/2003US6564612 Measuring instrument, and method for testing the measuring operation of a measuring instrument
05/15/2003WO2003040665A1 Device with an air inlet manifold and air mass sensor arrangement inserted therein
05/15/2003WO2003040664A1 Acoustic flow meter in the form of a valve key
05/15/2003WO2003040663A1 Purge type vortex flowmeter
05/15/2003US20030089180 Coriolis mass flow meter
05/15/2003US20030089168 Device for measuring air flow, comprising a device for separating foreign particles
05/14/2003EP1310775A1 Device and method for transient thermal mass flow measurement
05/14/2003EP1310774A1 Device for measuring physical quantity, method of manufacture thereof, and vehicle control system using device for measuring physical quantity
05/14/2003EP1310773A2 Electronic device and thermal type flow meter on vehicle
05/14/2003EP1309820A2 Automatic refill system for ultra pure or contamination sensitive chemicals
05/14/2003EP1097354B1 Crossed measurements of flowmeter sound signals
05/14/2003EP1064523B1 Multi-phase fluid flow measurement apparatus and method
05/14/2003EP0756697B1 Acoustic flow measurement method and measurement apparatus implementing the method
05/14/2003CN2550725Y Liquid flow detector
05/14/2003CN2550724Y Variable measuring range high temperature detection turbine flow meter
05/14/2003CN1418309A Initialization algorithm for drive control in coriolis flowmeter
05/14/2003CN1417564A Magnetiaclly driven optoelectronic flowmeter
05/14/2003CN1108515C Increased sensitivity coriolis effect flowmeter using nodal-proximate sensors
05/14/2003CN1108514C Device for measuring flow medium quanlity
05/13/2003US6564157 On-line device for predicting at least one fluid flow parameter in a process
05/13/2003US6563306 Method and apparatus for detecting displacement of a magnet moved in response to variation of a physical characteristic of a fluid
05/13/2003US6562012 Apparatus and method for measuring drop size in an intravenous drip chamber
05/13/2003US6561216 Combined sensor and flow controller provided with combined sensor
05/13/2003US6561207 Mass flow meter systems and methods
05/13/2003US6561043 Oil well flow meter with circumferentially extending pocket
05/13/2003US6561042 Multi-phase flows measurement apparatus and method
05/13/2003US6561041 Production metering and well testing system
05/13/2003US6561021 Flow rate-measuring device
05/13/2003US6561016 Method and apparatus for determining the air charge mass for an internal combustion engine
05/08/2003WO2003038382A1 Flow and pressure sensor for harsh fluids
05/08/2003WO2003038381A1 Oscillating hot wire or hot film flow sensor
05/08/2003WO2002095146B1 Flow measuring device for examination without water cut-off, and endoscope inserter
05/08/2003US20030088356 Mass airflow sensor for pulsating oscillating flow systems
05/08/2003US20030088237 Treatment protocol generation for diseases related to angiogenesis
05/08/2003US20030087448 Airtight apparatus for use in preventing permeation of corrosive gas into container
05/08/2003US20030085240 Fluid dispensing valve and method of use
05/08/2003US20030084732 Apparatus for measuring the velocity and/or through-flow of a fluid
05/08/2003US20030084724 Air velocity measurement instrument
05/08/2003US20030084719 Piston position measuring device
05/08/2003US20030084718 Characteristics adjusting apparatus of physical quantity sensing device and a thermal type air flow measuring instrument, and associated adjusting method
05/08/2003US20030084559 Method for mounting a metal body on the measuring tube of a coriolis mass flowmeter
05/08/2003DE10161202C1 Reducing the thickness of a silicon substrate which has been made porous comprises making porous the rear side of the substrate lying opposite a front side which has been made porous, then removing the porous material formed
05/08/2003CA2462584A1 Oscillating hot wire or hot film flow sensor
05/07/2003EP1308702A2 Turbine mass flow meter
05/07/2003EP1308701A2 Turbine mass flow meter with diagnostic device
05/07/2003EP1307711A2 Fluid-tight differential pressure flow sensor
05/07/2003EP1119744B1 Gas meter
05/07/2003EP1068517B1 Fluid property sensing via a common frequency generator and fast fourier transform
05/07/2003EP0877917A4 Apparatus for monitoring a system in which a fluid flows
05/07/2003EP0803050B1 Method and apparatus for fault detection and correction in coriolis effect mass flowmeters
05/07/2003CN2549439Y Non-contact dynamic continuous metering tester
05/07/2003CN2549438Y Digital open channel flowmeter
05/07/2003CN2549437Y Liquid constant-flow device without electric power supply
05/07/2003CN2549436Y Memory vortex street flowmeter
05/07/2003CN1416507A Devie and method for measuring injected-fuel quantity of injection systems,in particular for I.C. engines of motor vehicles
05/07/2003CN1415942A Method for measuring continuous current flux of separate injection well
05/07/2003CN1107856C Method for continuous back-flushing cleaning in differential pressure type flow measuring system
05/06/2003US6558216 Land and water based flash flood detection and warning system
05/06/2003US6557574 Pressure based flow rate measurement device integrated with blades of a damper
05/06/2003US6557422 Mass flow rate measuring device
05/06/2003US6557411 Heating element type mass air flow sensor, and internal combustion engine-control apparatus using the sensor
05/06/2003US6557410 Flow rate sensor with a temperature sensing structure spaced from the support member
05/06/2003US6557409 Mass flowmeter