| Patents for G01F 7 - Volume-flow measuring devices with two or more measuring ranges; Compound meters (817) |
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| 11/11/2008 | US7451003 Method and system of monitoring, sensor validation and predictive fault analysis |
| 11/06/2008 | WO2005022089A3 Method and system for locating critical flow feature indicators |
| 11/05/2008 | CN101298994A Compound water-saving type water meter |
| 10/29/2008 | CN201141775Y Double-display gas roots flowmeter |
| 10/29/2008 | CN201141774Y Three-phase stream metering device of oil well |
| 10/29/2008 | CN100429486C Fluid motion and composition analysis device and method |
| 10/22/2008 | CN201138221Y Oil, fume, water tri-phased low measuring apparatus |
| 10/22/2008 | CN201138220Y Gas-liquid two-phase flow meter |
| 10/21/2008 | US7437948 Ultrasonic flowmeter and ultrasonic flow rate measurement method |
| 10/14/2008 | CA2277395C Flow rate detector mechanism with variable venturi and exhaust gas sampling method using the same |
| 10/08/2008 | EP1978335A1 Flowmeter |
| 10/08/2008 | CN201130038Y Diesel locomotive vehicle mounted oil consuming flow meter |
| 09/30/2008 | US7428844 Pressure sensor |
| 09/23/2008 | US7427924 System and method for monitoring driver fatigue |
| 09/17/2008 | CN101266162A Compound water saving-type water meter |
| 09/17/2008 | CN100419385C Differential pressure type flowmeter and differential pressure type flowmeter controller |
| 09/16/2008 | US7426443 Device for determining and/or monitoring the volume flow rate and/or mass flow rate of a medium to be measured |
| 09/09/2008 | US7424377 Power reduction method in an electronic counter |
| 09/09/2008 | US7424374 Flow transport analysis method and system |
| 09/03/2008 | EP1664686A4 Method and apparatus for measuring flow rate through and polishing a workpiece orifice |
| 08/12/2008 | US7409871 Mass flow meter or controller with inclination sensor |
| 07/30/2008 | CN201094047Y Oil, water and gas three-phase flow automatic measuring equipment |
| 07/23/2008 | CN100405025C Oil gas and water mixed flow phase-splitting contimuous measuring equipment |
| 07/22/2008 | US7403862 Method for operating a process-measuring device |
| 07/16/2008 | CN100402987C Ultrasonic flowmeter compatible with both of pulse doppler method and propagation time difference method, method for automatically selecting the measurement method in the flowmeter, and electronic app |
| 07/10/2008 | US20080163696 Flow Meter |
| 07/09/2008 | CN201083503Y Crude oil multi-phase flowmeter |
| 07/02/2008 | CN101210837A Diesel locomotive oil consumption metering method |
| 06/25/2008 | CN101208641A 流量范围可变型流量控制装置 Flow range variable type flow control device |
| 06/18/2008 | CN101201264A Device for shunting and surveying current with broad measuring range |
| 05/27/2008 | US7379828 Method and apparatus for determining a quality metric of a measurement of a fluid parameter |
| 05/27/2008 | US7379827 Fluid flow monitoring system |
| 05/27/2008 | US7377185 Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind |
| 05/20/2008 | US7376521 Flow computer with networked I/O modules |
| 05/20/2008 | US7376520 System and method for gas flow verification |
| 05/15/2008 | WO2008056745A1 Ultrasonic fluid measurement device |
| 05/13/2008 | US7373261 Portable hydrant meter and system of use thereof |
| 05/07/2008 | CN101173865A Device and method for measuring gas-solid diphasic stream parameter in square pneumatic conveying pipe |
| 05/06/2008 | US7367241 Differential pressure type flowmeter and differential pressure type flow controller |
| 04/24/2008 | WO2008046420A1 A method for determining a volume |
| 04/23/2008 | CN201050998Y A compound water meter |
| 04/16/2008 | CN101162165A Low gas content gas-liquid two-phase flow measuring apparatus based on capacitance sensor and standard venturi tube |
| 04/15/2008 | US7357023 Modular inserts comprising check valves for flow meters |
| 03/26/2008 | CN201041498Y Composite type water-saving type water meter |
| 03/19/2008 | EP1901154A1 Variable flow range type flow control device |
| 03/19/2008 | CN201037771Y Special-purpose recording equipment for recording oil consumption of motor vehicle |
| 03/19/2008 | CN101144732A Three-phase flow automatic measuring method and device for oil, gas and water |
| 03/12/2008 | CN201034663Y Self control flowmeter |
| 03/06/2008 | WO2008027908A2 Wet gas measurement |
| 03/06/2008 | US20080053240 Wet Gas Measurement |
| 03/05/2008 | CN201032457Y Low gas content gas-liquid dual-phase flow measuring apparatus based on standard Venturi tube and vortex flowmeter |
| 03/05/2008 | CN201032456Y Low gas content gas-liquid dual-phase flow measuring apparatus based on capacity transducer and standard Venturi tube |
| 02/14/2008 | US20080034890 Multi-phase coriolis flowmeter |
| 02/13/2008 | CN201021897Y Compound water-saving water meter |
| 02/07/2008 | US20080028849 Multi-Vortex Flowmeter |
| 02/07/2008 | US20080028848 Method and system for dynamic compensation of bi-directional flow sensor during respiratory therapy |
| 02/06/2008 | CN100367008C Low accompanying gas measuring station gauging system |
| 01/30/2008 | CN101113919A Defoaming device used for oil-water-gas three phase continuously metering separator |
| 01/24/2008 | WO2008011587A2 Multi-phase coriolis flowmeter |
| 01/23/2008 | CN101109655A Gas-liquid diphasic volume meter |
| 01/03/2008 | US20080000306 Method and apparatus for measuring multi-streams and multi-phase flow |
| 01/02/2008 | CN201000349Y Sleded three phase separating mechanims |
| 12/21/2007 | WO2007146429A2 Portable discrete groundwater sampling system |
| 12/21/2007 | WO2007145037A1 Multi-vortex flowmeter integrating pressure gauge |
| 12/21/2007 | WO2007145036A1 Multi-vortex flowmeter employing volume flow rate as switching point |
| 12/06/2007 | US20070282539 Fluid Motion and Composition Analysis Device and Method |
| 11/22/2007 | US20070271044 Fault tolerant power system architecture for fluid flow measurement systems |
| 11/21/2007 | CN200979430Y A flow measurement device for two-phase and three-media of gas-water-oil |
| 11/21/2007 | CN200979428Y An oil-water-gas three-phase flow automatic measurement device |
| 11/21/2007 | CN200979427Y An automatic measurement device for the oil well three-phase flow |
| 11/20/2007 | US7299139 Measuring gas meter and volume corrector accuracy |
| 11/13/2007 | US7295932 Control system and technique for particulate collection systems |
| 11/07/2007 | EP1851334A2 Databases for assessing nucleic acids |
| 11/01/2007 | WO2007122978A1 Explosion-proof high temperature compatible, multi-vortex flow meter |
| 10/25/2007 | US20070245821 Luminescent refrigerant gauge device |
| 10/11/2007 | DE202007007035U1 Schwebekörperdurchflußmeßgerät Schwebekörperdurchflußmeßgerät |
| 10/10/2007 | CN100342219C Two-stroke gas-liquid biphase flowmeter |
| 10/03/2007 | CN200955971Y Multi-stage cyclone gas-liquid two-phase separating three-phase metering device |
| 10/03/2007 | CN200955970Y Low-associated gas metering station oil-measuring system |
| 10/03/2007 | CN100340843C Oil-gas-water three phase flow continuously metering system |
| 10/02/2007 | US7277837 Method for flow analysis utilizing cell elevation topology |
| 09/27/2007 | US20070220995 Ultrasonic Flowmeter and Ultrasonic Flow Rate Measurement Method |
| 09/26/2007 | CN101042304A Oil gas and water mixed flow phase-splitting contimuous measuring equipment |
| 09/19/2007 | CN101038193A Compound water meter |
| 09/13/2007 | US20070213944 Fluid flow analyzing method, fluid flow analyzing system, recording medium for recording program for functioning computer as fluid flow analyzing system, and computer data signals showing fluid flow analyzing program |
| 09/12/2007 | CN101035964A Method and apparatus for downhole detection of CO2 and H2S using resonators coated with CO2 and H2S sorbents |
| 08/15/2007 | CN101019007A Attitude insensitive flow device system and method |
| 08/14/2007 | CA2310876C Method and circuit for summing utility metering signals |
| 07/26/2007 | WO2007083799A1 Flowmeter |
| 07/19/2007 | WO2007054305A3 Device and method for the detection of water flow rates |
| 07/19/2007 | US20070167792 Ultrasonic flowmeter capable of applying both pulse doppler method and transit time method, method and program for automatically selecting measurement method in flowmeter, and electronic device for flowmeter |
| 07/12/2007 | US20070157723 Multiple differential volume tube measurement quantitative conveying device and its conveying method thereof |
| 07/11/2007 | EP1766340A4 Attitude insensitive flow device system and method |
| 06/21/2007 | US20070137296 Method and Apparatus to Determine an Initial Flow Rate in a Conduit |
| 05/31/2007 | US20070124091 Method and flow meter for determining the flow rate of a multiphase fluid |
| 05/30/2007 | EP1692464A4 Fluid motion and composition analysis device and method |
| 05/24/2007 | US20070118304 Method and apparatus for determining a quality metric of a measurement of a fluid parameter |
| 05/16/2007 | CN1963403A Measuring method of gas-liquid two-phase flow based on section measuring and apparatus thereof |
| 05/08/2007 | US7213462 Humidity sensor and composite sensor having humidity detecting function |
| 05/03/2007 | DE102005051307A1 Flow rate determining and controlling apparatus e.g. for oil supply system of drive unit, has flow passage for fluid, adjustable measuring device and throttle which is arranged to be movable about pivot axis |