| 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) |
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| 02/21/2001 | CN2420620Y Integrated high pressure pore plate valve |
| 02/21/2001 | CN2420619Y Impact gravity flow meter |
| 02/21/2001 | CN1285038A Variable orifice flow sensor |
| 02/20/2001 | US6191687 Wiegand effect energy generator |
| 02/20/2001 | US6189390 Method and apparatus for measuring gas velocity or other flow characteristic |
| 02/20/2001 | US6189389 Ultrasonic flowmeter |
| 02/20/2001 | US6189388 Access flow monitoring using reversal of normal blood flow |
| 02/20/2001 | US6189380 Flow rate sensor |
| 02/20/2001 | US6189379 Thermal type air flow measuring instrument for internal combustion engine |
| 02/20/2001 | US6189377 Device for measuring hydraulic flow quantities and leaks in a specimen |
| 02/15/2001 | WO2001011322A1 Microsensor housing |
| 02/15/2001 | WO2001011321A1 Noise reducing differential pressure measurement probe |
| 02/15/2001 | WO2001011190A1 A method and apparatus for acquiring data in a hydrocarbon well in production |
| 02/15/2001 | WO2001011189A2 Apparatus for optimizing production of multi-phase fluid |
| 02/15/2001 | DE19933473A1 Horizontal average flow velocity measuring method of large river |
| 02/15/2001 | CA2381271A1 Microsensor housing |
| 02/14/2001 | EP1075647A2 A leakage detector, a latching solenoid, a flow meter, and a liquid dispensing apparatus including same |
| 02/14/2001 | EP1075643A1 Flow sensor |
| 02/14/2001 | CN2419579Y Inserting rotary wing water meter |
| 02/14/2001 | CN2419578Y Ic卡水表 Ic card meter |
| 02/14/2001 | CN1283781A Method for counting consumed calories of user with hot water flowmeter for centralized heating system |
| 02/14/2001 | CN1283780A Method for measuring flow of fluid in pipeline and its sonic flowmeter |
| 02/14/2001 | CN1283779A Supersonic flowmeter of supersonic sensor |
| 02/13/2001 | US6186193 Continuous liquid stream digital blending system |
| 02/13/2001 | US6186179 Disturbance simulating flow plate |
| 02/13/2001 | US6185998 Heat sensitive flow amount sensor and inlet system of internal combustion engine |
| 02/13/2001 | US6185983 Method and apparatus for automatically determining zero setting of impeller-type mass flow rate-measuring device when flow is absent |
| 02/08/2001 | WO2001009569A1 Hydration-insuring system comprising suction-activated liquid-flow meter |
| 02/08/2001 | DE19934398A1 Mass flow measurement and control appts consists of a block construction with flat building elements with one or two channels, and integral instruments. |
| 02/07/2001 | EP1074821A2 Process of fixing a metal body onto a measuring tube of a Coriolis mass flow meter |
| 02/07/2001 | EP1074820A2 Ultrasonic transducer and ultrasonic flowmeter |
| 02/07/2001 | EP1074715A2 Intake air quantity calculating apparatus for an internal combustion engine with a variable valve timing control mechanism |
| 02/07/2001 | EP1073885A1 Measuring a gas mass fraction |
| 02/07/2001 | EP1073884A1 Flow rate measuring device |
| 02/07/2001 | CN2418464Y Supersonic flow sensor for calorimeter |
| 02/07/2001 | CN1282866A Heating resistance type air flow rate measuring device |
| 02/07/2001 | CN1061757C 质量流量计变换器 Mass flowmeter converter |
| 02/06/2001 | US6184773 Rugged fluid flow and property microsensor |
| 02/06/2001 | US6182644 Flow measurement and control |
| 02/06/2001 | US6182639 Thermal-type airflow meter, intake air system for an internal combustion engine, and control system for the same |
| 02/06/2001 | US6182509 Accelerometer without proof mass |
| 02/06/2001 | US6182504 Emulsion composition monitor |
| 02/01/2001 | WO2001007875A1 Coriolis effect transducer |
| 02/01/2001 | DE19961129A1 Thermic flow sensor, having heat-producing resistor pattern and temperature measuring film resistance arranged in planar arrangement on surface of substrate |
| 02/01/2001 | DE10036696A1 Ultrasound through-flow measuring arrangement, determining through-flow quantity from different transmission times for alternating transmissions of ultrasonic waves between measuring sections |
| 01/31/2001 | EP1073126A2 Method for manufacturing a thermopile on an electrically insulating substrate |
| 01/31/2001 | EP1072282A1 Flow control device |
| 01/31/2001 | CN2417461Y Insertion and multiple electrode imaging type electromagnetic flow-meter |
| 01/31/2001 | CN2417460Y Means for indicating flow of fluid |
| 01/31/2001 | CN1282417A Flowmeter |
| 01/31/2001 | CN1282407A Fluid oscillator with extended slot |
| 01/30/2001 | US6182019 Transmitter for providing a signal indicative of flow through a differential producer using a simplified process |
| 01/30/2001 | US6181128 Magnetic beam flow sensor |
| 01/30/2001 | US6178828 Free standing Coriolis driver |
| 01/30/2001 | US6178827 Ultrasonic flow sensor |
| 01/30/2001 | US6178826 Electrode assembly for electromagnetic flow sensors |
| 01/30/2001 | US6178816 Water meter |
| 01/30/2001 | US6178810 Crude oil measurement system and method |
| 01/30/2001 | CA2225606C Impact type flow meter |
| 01/25/2001 | WO2001006333A2 Particle sensing system and associated methods |
| 01/25/2001 | WO2001006216A1 Method and apparatus for investigating fluid flow variables, element characteristics and nearsurface temperature and forces |
| 01/25/2001 | WO2001006215A1 Device for the analog or digital processing of signals |
| 01/25/2001 | WO2001006107A1 Device for measuring a pulsating quantity |
| 01/25/2001 | WO2001005463A1 Flow control method and device |
| 01/25/2001 | DE19940958A1 Mass flow rate measuring device for IC engine air intake has surface normal to measuring surface of measuring element projecting into flow path provided with component in gravity force direction |
| 01/25/2001 | DE19934397A1 Throughflow measurement device has baffle element subjected to fluid flow, attached to free end of cantilever bearer element, moved by fluid flow with bearer element, motion sensor |
| 01/25/2001 | DE19932041A1 Verfahren und Vorrichtung zur Bewegungsmessung durch kapazitives Abtasten Method and apparatus for motion measurement by capacitive sensing |
| 01/25/2001 | CA2379788A1 Flow control method and device |
| 01/24/2001 | EP1070940A1 Constant-temperature-difference flow sensor |
| 01/24/2001 | EP1070230A1 Fluid delivery apparatus with reservoir fill assembly |
| 01/24/2001 | EP0912882B1 Vibrating tube densimeter |
| 01/24/2001 | CN2416492Y Piston type intelligent flow meter |
| 01/24/2001 | CN2416491Y Falling body solid flow meter |
| 01/24/2001 | CN1281149A Method of measuring overage flow rate of river water |
| 01/24/2001 | CN1280924A Metering oil tank |
| 01/23/2001 | US6176833 Biodegradable air tube and spirometer employing same |
| 01/23/2001 | US6176647 Instrument for measuring mass flow rate of powder, and electrostatic powder coating apparatus utilizing the same |
| 01/23/2001 | US6176131 Device for measuring the mass of a flowing medium |
| 01/23/2001 | US6176125 Exhaust gas flow measuring equipment for internal combustion engines and processes for calibrating sensitivity of trace gas flow meters |
| 01/18/2001 | WO2001004716A1 A system and method for a digital mass flow controller |
| 01/18/2001 | WO2001004715A1 System and method of operation of a digital mass flow controller |
| 01/18/2001 | WO2001004585A1 Pressure insensitive gas control system |
| 01/18/2001 | WO2001004583A1 Self-characterizing vibrating conduit parameter sensors |
| 01/18/2001 | WO2001004582A1 System and method for sensor response linearization |
| 01/18/2001 | WO2001004581A1 Method and apparatus for determining flow rates |
| 01/18/2001 | WO2001004580A2 Improved mass flow sensor interface circuit |
| 01/18/2001 | WO2000002017A8 Method and arrangement for measuring fluid |
| 01/18/2001 | DE19933665A1 Vorrichtung zur Erfassung einer pulsierenden Größe Apparatus for detecting a pulsating variable |
| 01/18/2001 | DE19933664A1 Vorrichtung zur analogen oder digitalen Signalverarbeitung An analog or digital signal processing |
| 01/18/2001 | DE19932825A1 Determining minimal fluid volumes in pipelines comprises using optical measuring process with parallel illuminating light bundle and structured receivers for determining fluid speed in the line |
| 01/18/2001 | DE19930814A1 Two part plastic impeller fan with integrated plastic bearing and plastic axle for measurements of gas and liquid flow-rates is more economical to produce, more accurate and less noisy |
| 01/18/2001 | DE10016032A1 Flowmeter for fluids involves allowing differential pressure across restrictor in fluid path to act on diaphragm whose movements are transmitted to measuring element provided with strain gauges connected to measuring bridge |
| 01/17/2001 | EP1068517A2 Fluid property and flow sensing via a common frequency generator and fast fourier transform |
| 01/17/2001 | EP0990125A4 Electromagnetic flowmeter |
| 01/17/2001 | CN1280668A Driver for oscillating a vibrating conduit |
| 01/17/2001 | CN1280667A Fluid meter with improved compactness |
| 01/17/2001 | CN1280296A Double blunt body differential vortex street flow meter |
| 01/16/2001 | US6173617 Cell for converting differential pressure into an electric signal |
| 01/16/2001 | US6173616 Electromagnetic flow-rate measurement system |
| 01/16/2001 | CA2277626A1 A method of measuring a river horizontal average flow velocity |