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