| 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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| 03/22/1989 | EP0308027A2 Control of suspension density using radiation source |
| 03/22/1989 | EP0307463A1 Impulse sensor with mechanical preamplification and noise cancellation |
| 03/22/1989 | CN2034684U All electronic gas flowmeter |
| 03/22/1989 | CN2034683U Immerse type measuring gauge of water at opening |
| 03/21/1989 | US4814722 Amplifier for timed electrical measurement signals |
| 03/21/1989 | US4813289 Convective attenuation flowmeter |
| 03/21/1989 | US4813280 Thermal pulse flow meter with disposable cell |
| 03/21/1989 | US4813270 System for measuring multiphase fluid flow |
| 03/21/1989 | CA1251358A1 Liquid flow indicator for farm implements |
| 03/15/1989 | EP0306895A2 Process for producing a measuring pipe for magnetic inductive rate of flow measurement |
| 03/15/1989 | CN2034268U Metering mechanism with two-phase current flow |
| 03/15/1989 | CN1031759A Fluid flow indicator |
| 03/14/1989 | US4812049 Fluid dispersing means |
| 03/14/1989 | US4811607 Flow sensor |
| 03/14/1989 | US4811606 By measuring the magnitde of the Coriolis force |
| 03/09/1989 | WO1989002066A1 Multi-phase flowmeter |
| 03/09/1989 | WO1989002065A1 Flow detector |
| 03/09/1989 | WO1989001795A1 Enhanced pressure measurement flow control system |
| 03/09/1989 | DE3729073A1 Sensor |
| 03/09/1989 | DE3729003A1 Water meter with inlet rotor |
| 03/08/1989 | EP0306193A1 Fluid meter |
| 03/08/1989 | EP0306110A2 Method for manufacture of a coriolis flow meter |
| 03/08/1989 | EP0305609A1 Averaging velocity sensor for measuring fluid flow in a conduit |
| 03/07/1989 | US4809559 Detector for an electromagnetic flowmeter |
| 03/07/1989 | US4809558 Method and apparatus for use with vortex flowmeters |
| 03/07/1989 | US4809499 Densimeter |
| 03/01/1989 | EP0305134A1 Fluid metering system |
| 03/01/1989 | EP0305072A2 Mass air flow sensors |
| 03/01/1989 | EP0304775A1 Circulation pump with an integrated flow control device |
| 03/01/1989 | EP0304774A2 Method for generating a signal corresponding to the flow rate of a flowing conductive medium |
| 02/28/1989 | US4808009 Integrated semiconductor resistance temperature sensor and resistive heater |
| 02/28/1989 | US4807667 Convertible shape hood structure for air flow measurement |
| 02/28/1989 | US4807636 Method and apparatus for measuring volume fluid flow |
| 02/28/1989 | US4807481 Three-in-one vortex shedding flowmeter |
| 02/28/1989 | US4807480 Flow measurement/metering |
| 02/28/1989 | US4807470 Circuit arrangement with a flow-measuring probe operated in a bridge circuit |
| 02/23/1989 | WO1989001609A1 Ultrasonic flow measurement installation |
| 02/23/1989 | DE3826113A1 Device for the determination of the spatial velocity of moving particles, especially in multi-phase flows |
| 02/23/1989 | DE3810240A1 Fuel regulating device |
| 02/22/1989 | EP0304269A2 Flow sensing device |
| 02/22/1989 | EP0304093A2 Liquid measuring apparatus |
| 02/22/1989 | EP0303953A2 Process for coding and presenting n parameters in multi-dimensional Fourier-NMR spectroscopy |
| 02/22/1989 | EP0303621A1 Coriolis-type mass flowmeter |
| 02/22/1989 | EP0188492B1 Vortex shedding flowmeter |
| 02/21/1989 | US4807151 Electrical technique for correcting bridge type mass air flow rate sensor errors resulting from ambient temperature variations |
| 02/21/1989 | US4806016 Optical displacement sensor |
| 02/21/1989 | US4805462 Method and apparatus for continuously measuring a flow rate of a stream of flowable bulk material |
| 02/21/1989 | US4805452 Device for the thermal measurement of the mass flow gases and liquids |
| 02/21/1989 | US4805450 Measuring the mass flow rate of gas in a well |
| 02/21/1989 | US4805429 Shot peening system and method with velocity sensing |
| 02/21/1989 | US4805296 Method of manufacturing platinum resistance thermometer |
| 02/16/1989 | DE3726223A1 Air-mass meter |
| 02/15/1989 | EP0303255A1 Ultrasonic flow-measuring device |
| 02/15/1989 | CN2032709U 流量开关 Flow Switch |
| 02/15/1989 | CN2032708U Urine flow-rate measurer |
| 02/14/1989 | US4803875 Apparatus for determining the flow rate of a flowing medium |
| 02/14/1989 | US4803870 Vortex shedding flowmeter with mechanically amplifying pressure sensor |
| 02/14/1989 | US4803867 Fluid measurement apparatus providing flow tube strain relief |
| 02/09/1989 | WO1989001134A1 Convective inertia force flowmeter |
| 02/09/1989 | WO1989001133A1 Flow line weighing device |
| 02/09/1989 | WO1989001132A1 Heated semiconductor measurement of fluid flow |
| 02/09/1989 | DE3725581A1 Vorrichtung zum messen des flottenverbrauchs einer applikationseinheit Apparatus for measuring the fleet consumption of an application unit |
| 02/09/1989 | DE3725052A1 Method and device for determining the amount of leakage air in injection valves |
| 02/07/1989 | US4803431 Method for imaging three-dimensional moving object |
| 02/07/1989 | US4802490 Catheter for performing volumetric flow rate determination in intravascular conduits |
| 02/02/1989 | DE3724094A1 Device for determining the air mass drawn into the cylinders of an internal combustion engine |
| 02/01/1989 | EP0301534A1 Asymmetrical displacement flowmeter |
| 02/01/1989 | EP0301258A1 Method for measuring the flow rate of fluids |
| 02/01/1989 | EP0151638B1 Mass flow-meter |
| 01/31/1989 | US4801897 Arrangement for generating natural resonant oscillations of a mechanical oscillating system |
| 01/31/1989 | US4800889 Rapid-scan NMR angiography |
| 01/31/1989 | US4800754 Wide-range, adjustable flowmeter |
| 01/31/1989 | CA1249453A1 Air flow meter |
| 01/26/1989 | WO1989000679A1 Improved accuracy mass flow meter with asymmetry and viscous damping compensation |
| 01/26/1989 | WO1989000678A1 Convective attenuation flowmeter |
| 01/26/1989 | DE3822910A1 Auf der basis der coriolis-kraft arbeitender massestroemungsmesser On the basis of the coriolis force-working massestroemungsmesser |
| 01/25/1989 | EP0300301A1 Apparatus and method for measuring the mass flow rate of material flowing through at least one vibrating conduit |
| 01/25/1989 | EP0300201A1 Device for hemodialysis and hemofiltration |
| 01/24/1989 | US4800499 Apparatus for processing engine operation detection signals |
| 01/24/1989 | US4799388 Apparatus and technique for metering liquid flow |
| 01/24/1989 | CA1249139A1 Slotted diaphragm semiconductor device |
| 01/19/1989 | DE3722385A1 Air mass meter |
| 01/18/1989 | EP0299676A2 Fluid flow indicator |
| 01/18/1989 | EP0299629A2 Encapsulated temperature sensor |
| 01/18/1989 | EP0299400A1 Device for preparation of beverages |
| 01/18/1989 | EP0299103A1 Apparatus for continuously weighing flowable matter |
| 01/18/1989 | CN2030998U Electronic goods delivering device |
| 01/17/1989 | US4799169 Gas well flow instrumentation |
| 01/17/1989 | US4798092 Flowmeter for use in a flow monitoring system |
| 01/17/1989 | US4798091 Dual S-tube Coriolis force flowmeter |
| 01/11/1989 | EP0298587A2 Improved flow measurement system |
| 01/11/1989 | EP0298107A1 Method of making and filling bags |
| 01/10/1989 | US4796651 Variable gas volume flow measuring and control methods and apparatus |
| 01/10/1989 | US4796588 Fuel control apparatus |
| 01/10/1989 | CA1248362A1 Mounting arrangement for a critical flow device |
| 01/04/1989 | EP0298012A1 Temperature and pressure probe |
| 01/04/1989 | EP0297309A2 Process and device for metering and regulating the powder flow in a powder spray coating installation |
| 01/03/1989 | US4795903 Analysis of fluids |
| 01/03/1989 | US4795267 Calorimeter using remanence type electromagnetic flowmeter |
| 01/03/1989 | US4794947 A gas through a conduit |