Patents
Patents for G01F 7 - Volume-flow measuring devices with two or more measuring ranges; Compound meters (817)
04/2005
04/27/2005CN2695923Y Oil gas automatic metering installation
04/27/2005CN1609563A Gas and liquid two-phase flowmeter
04/21/2005US20050086341 Utility monitoring and control systems
04/07/2005WO2005031276A2 Method and apparatus for measuring flow rate through and polishing a workpiece orifice
04/07/2005US20050075803 Method for operating a process-measuring device
03/2005
03/10/2005WO2005022089A2 Method and system for locating critical flow feature indicators
03/03/2005US20050049803 Method and system for locating critical flow feature indicators in three dimensional flow regimes
03/03/2005US20050049802 Method for flow analysis utilizing cell elevation topology
02/2005
02/16/2005CN2679653Y Flow detection rotary disc combiner
02/10/2005DE10127261B4 Meßvorrichtung für die Strömungsrate eines Gases, insbesondere zum Einsatz in der Plasmachirurgie A measuring device for the flow rate of a gas, in particular for use in the plasma Surgery
02/02/2005CN1187576C Multi-ring spiral shape circular tube multiphase flow meter
02/01/2005US6850849 Fluid flow monitor and control system
01/2005
01/27/2005US20050021263 Wavelet analysis of one or more acoustic signals to identify one or more anomalies in an object
01/26/2005CN1570572A Oil-gas-water three phase flow continuously metering system
01/26/2005CN1186596C Method for measuring continuous current flux of separate injection well
01/25/2005US6847901 Electromagnetic flowmeter
01/20/2005WO2005005971A1 Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind
01/20/2005US20050011258 System of distributed configurable flowmeters
01/20/2005CA2532209A1 Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind
01/13/2005WO2005003693A2 System of distributed configurable flowmeters
01/13/2005US20050005711 System and method for operating a flow process
01/13/2005CA2530601A1 System of distributed configurable flowmeters
01/06/2005WO2005001586A2 System and method for operating a flow process
01/06/2005CA2530596A1 System and method for operating a flow process
12/2004
12/29/2004EP1491866A1 Flow rate measuring method and flowmeter, flow rate measuring section package used for them and flow rate measuring unit using them, and piping leakage inspection device using flowmeter
12/28/2004US6836736 A microelectro mechanical systems for determining a position of a skeleton structure in the digital clay device, by detecting a volumetric change of a fluid residing in bladder; medical equipment, electrical and biological apparatus
12/16/2004US20040254746 Programmed water flow through electronic plumbing devices and related methods
12/09/2004US20040249582 Digital clay apparatus and method
12/09/2004US20040244498 Fluid flow meter with fluid flow sensor and oscillation sensor
12/08/2004CN2662208Y Compound water meter
11/2004
11/30/2004US6826493 System and method for real time determination of unsteady aerodynamic loads
11/23/2004US6823270 Fluid flow monitoring system
11/09/2004US6816793 Method for predicting flow properties of powders
09/2004
09/08/2004CN2639858Y Device capable of expanding metering range of flow meter
09/08/2004CN2639857Y Wide range flow control device
09/08/2004CN1165751C Double sensor type flowmeter
09/02/2004US20040172210 Systems and methods for diagnosing and predicting fluid flow systems using sensors
07/2004
07/07/2004CN1510401A Assembled flow sensor with wider measurement range
06/2004
06/18/2004WO2005003694A1 Differential pressure type flowmeter and differential pressure type flowmeter controller
05/2004
05/12/2004CN2615641Y Helix loop tube multiphase flowmeter
04/2004
04/14/2004CN1145785C Combined water-meter
04/07/2004CN1488069A Fluidic gas metering system
03/2004
03/23/2004US6711507 Compressed air monitor system for monitoring leakage of compressed air in compressed air circuit
02/2004
02/11/2004CN1474166A Cement mortar flow metering method for dam foundation rock grouting
02/04/2004CN2602346Y Differential pressure pattern automatic oil-gas-water flowmeter
01/2004
01/22/2004US20040015302 Electromagnetic flowmeter
01/21/2004CN2600793Y Duplex water meter
01/21/2004CN1135366C Flowmeter
12/2003
12/17/2003CN2593159Y Wide-range float flow sensor
10/2003
10/29/2003CN1451948A Electromagnetic flowmeter
10/15/2003EP1352218A1 Fluidic gas metering system
10/14/2003CA2106261C Measurement of steam quality and mass flow rate
10/02/2003US20030187595 Compressed air monitor system for monitoring leakage of compressed air in compressed air circuit
09/2003
09/25/2003WO2003078934A1 Flow rate measuring method and flowmeter, flow rate measuring section package used for them and flow rate measuring unit using them, and piping leakage inspection device using flowmeter
09/18/2003US20030176981 Method for predicting flow properties of powders
09/11/2003US20030167836 Low-flow extension for flow measurement device
08/2003
08/06/2003CN1434273A Multi-ring spiral shape circular tube multiphase flow meter
07/2003
07/02/2003CN2558966Y Volume metering device for liquid phase medium during petroleum production
06/2003
06/24/2003US6581457 Compound fluid meter with flow distributor
06/04/2003EP1315951A2 A method for performing a transaction over a network
06/04/2003EP1315948A2 Several gas flow measuring devices and signal processing methods
05/2003
05/07/2003CN1415942A Method for measuring continuous current flux of separate injection well
03/2003
03/26/2003EP1295091A1 Method for predicting flow properties of powders
03/20/2003WO2001007873A8 A method for performing a transaction over a network
01/2003
01/15/2003EP1000323B1 Method and gasmeter for measuring a gas flow rate
01/02/2003US20030004657 Digital clay apparatus and method
12/2002
12/19/2002US20020189341 Compound fluid meter with flow distributor
12/19/2002DE10127261A1 Measurement device for measuring gas flow rate in a plasma surgery instrument has an arrangement of two sensors with different characteristic curves so that the resulting inexpensive device is accurate over a large flow range
11/2002
11/21/2002DE10123429A1 Water meter with combined meters for measuring high and low mass flows has reduced pressure loss due to use of a weak spring in the changeover valve insert that automatically controls water flow between meters
11/12/2002US6477900 Fluidic gas metering system
11/06/2002EP0923711B1 Fluid flow measurement device
09/2002
09/12/2002WO2001018496A3 Several gas flow measuring devices and signal processing methods
09/12/2002US20020124659 Fluidic gas metering system
09/10/2002US6446512 Method of determining the type of fluid flow probe inserted into a flow meter
09/10/2002US6446503 Flow velocity measuring apparatus and methods using sensors for measuring larger and smaller flow quantities
08/2002
08/14/2002DE10106465A1 Meßeinsatz für einen Volumenzähler für Flüssigkeiten Measuring insert for a flow meter for liquids
08/13/2002US6434493 Method and circuit for summing utility metering signals
07/2002
07/24/2002CN1360201A Double sensor type flowmeter
07/11/2002WO2002054019A1 Fluidic gas metering system
07/11/2002CA2434075A1 Fluidic gas metering system
06/2002
06/27/2002US20020082748 Utility monitoring and control systems
06/18/2002US6405577 Flow rate detector mechanism with variable venturi and exhaust gas sampling method using the same
04/2002
04/25/2002US20020046612 Fluid mass flow meter with substantial measurement range
03/2002
03/14/2002US20020029641 Metering means for fuel pumps
02/2002
02/28/2002WO2002016885A1 Fluid mass flow meter with substantial measurement range
02/20/2002CN2477495Y Liquid meter
01/2002
01/31/2002US20020011118 Method of determining the type of fluid flow probe inserted into a flow meter
01/30/2002EP1082589B1 Compound water meter
01/22/2002US6339963 Fluid flow measurement device
01/03/2002WO2002001162A1 Method for predicting flow properties of powders
11/2001
11/21/2001EP1154951A1 Metering means for fuel pumps
08/2001
08/16/2001US20010013245 Flow rate detector mechanism with variable venturi and exhaust gas sampling method using the same
08/14/2001US6272919 Method for measuring a gas flow rate and a gasmeter therefore
06/2001
06/27/2001CN1301338A Compound water meter
06/06/2001CN1066818C Multi-phase fluid flowmeter and its measuring method
04/2001
04/18/2001EP1092960A1 Flowmeter
03/2001
03/15/2001WO2001018496A2 Several gas flow measuring devices and signal processing methods
03/15/2001CA2422398A1 Several gas flow measuring devices and signal processing methods
03/14/2001EP1082589A1 Compound water meter
02/2001
02/01/2001WO2001007873A2 A method for performing a transaction over a network
1 2 3 4 5 6 7 8 9