| 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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| 09/06/1989 | EP0330915A2 Flow sensor |
| 09/06/1989 | CN2044065U Magnetic float flow signal meter with magnetic memory switch |
| 09/06/1989 | CN2044064U Long choke flowmeter for gaseous phase and powder phase |
| 09/06/1989 | CN1035354A Method for measuring flow and aridity of double-phase fluid containing steam (gas) and liquid |
| 09/06/1989 | CN1035353A Flowmeter |
| 09/05/1989 | US4863268 Diffractosight improvements |
| 09/05/1989 | US4862750 Vortex shedding fluid velocity meter |
| 08/31/1989 | DE3906085A1 Flow meter having a cylindrical concentric cut-out tube and annular floating body in the cylindrical outer tube |
| 08/31/1989 | DE3906077A1 Flow meter with cut-out measuring flap |
| 08/31/1989 | DE3805574A1 Magnetic-inductive flow-measuring pick-up |
| 08/30/1989 | EP0330233A1 Hot wire air flow meter arrangement for monitoring intake air flow rate in internal combustion engine |
| 08/30/1989 | EP0330105A2 Integrated thin-film diaphragm |
| 08/30/1989 | EP0329728A1 Convective attenuation flowmeter |
| 08/30/1989 | EP0329700A1 Coriolis-type mass flowmeter. |
| 08/30/1989 | CN2043750U Multifunctional flowing and thermal measuring device with computer |
| 08/30/1989 | CN2043749U Pressure taking structure of throttle chamber of rapid feeding type |
| 08/30/1989 | CN1035177A Gas/liquid flow measurement using coriolis-based flow meters |
| 08/29/1989 | US4862082 Method for encoding and displaying N parameters in multi-dimensional fourier NMR spectroscopy |
| 08/29/1989 | US4862080 Method of deriving a spin resonance signal from a moving fluid, and device for performing this method |
| 08/29/1989 | US4861986 Tracer injection method |
| 08/29/1989 | US4860594 Apparatus and method for measuring mass flow and density |
| 08/29/1989 | US4860593 Ultrasonic device for measuring the rate of flow of fluid in a duct |
| 08/29/1989 | US4860592 Soap film gas flow measuring device |
| 08/29/1989 | US4860590 Primary standard gas flow calibrator |
| 08/29/1989 | US4860583 Air velocity transmitter device |
| 08/23/1989 | EP0329040A2 Apparatus for Volume or Flow Measurements |
| 08/23/1989 | EP0183814B1 Measuring apparatus for measuring flow and/or its characteristics |
| 08/23/1989 | CN1034995A Method for making electrode of electromagnetic flowmeter |
| 08/22/1989 | US4860222 Method and apparatus for measuring engine mass air flow |
| 08/22/1989 | US4859151 Pump-off control for a pumpjack unit |
| 08/22/1989 | US4858647 Attitude-insensitive, by-pass sensor |
| 08/22/1989 | US4858643 Fluid flow stabilizing apparatus |
| 08/22/1989 | US4858637 Gas consumption measuring system |
| 08/22/1989 | US4858474 Angular momentum mass flowmeter with optical pickoff |
| 08/22/1989 | US4858466 Measuring apparatus of volume of an injected fluid |
| 08/17/1989 | DE3803376A1 Fan part |
| 08/16/1989 | EP0327671A2 Flow-indicating or metering device |
| 08/16/1989 | CN2042949U Gaseous phase and solid phase flow meter |
| 08/15/1989 | US4856348 Flow meter turbine |
| 08/15/1989 | US4856347 Method and apparatus for measuring the flow rate and velocity of a liquid in a pipeline |
| 08/15/1989 | US4856346 Dual flexures for coriolis type mass flow meters |
| 08/15/1989 | US4856345 Method and apparatus for making compensation for DC offset voltage generated in aplifying circuit in electromagnetic flowmeter |
| 08/15/1989 | US4856344 Measuring flow in a pipe |
| 08/15/1989 | US4856343 Monitoring liquid level infed tank and flow rate of liquid therefrom to point of use |
| 08/15/1989 | US4856329 Heat transfer measurement device, in particular flow monitor |
| 08/15/1989 | US4856328 Sampling probe flow sensor |
| 08/15/1989 | US4856321 Apparatus and methods for measuring fluid flow parameters |
| 08/15/1989 | CA1258518A1 System for measuring particle transport in a fluid |
| 08/10/1989 | WO1989007248A1 A sensor and transducer apparatus |
| 08/10/1989 | WO1989007243A1 Circuit controlled flow probe |
| 08/10/1989 | WO1989007242A1 Circuit arrangement with a flow probe actuated by a bridge circuit |
| 08/09/1989 | EP0327524A2 Differential pressure sensing apparatus |
| 08/09/1989 | EP0327103A2 Vortex frequency flow rate meter |
| 08/09/1989 | CN2042588U Annubar meter for ceramic float cavity |
| 08/09/1989 | CN2042587U Rotary fin anti-pollution water meter |
| 08/08/1989 | US4854178 Flowmeter for dangerous fluids |
| 08/08/1989 | US4854177 Piezoelectric vortex flow meter |
| 08/08/1989 | US4854176 Fluidic flowmeter |
| 08/08/1989 | US4854167 Mass fluid flow sensor |
| 08/08/1989 | US4854166 Lightweight wading rod for stream flow measurements |
| 08/08/1989 | US4853984 System and method for maintaining a swimming pool cover drained of accumulated precipitation |
| 08/03/1989 | DE3802422A1 Method and apparatus for determining the air rate |
| 08/03/1989 | DE3801658A1 Method for determining a quantity of flowing liquid |
| 08/02/1989 | EP0326231A1 Fluid separator |
| 08/02/1989 | EP0325601A1 Improved drive means for oscillating flow tubes of parallel path coriolis mass flow rate meter. |
| 08/02/1989 | EP0200758B1 Volumetric flow rate determination in conduits not directly accessible |
| 08/02/1989 | EP0152451B1 Planar-measuring vortex-shedding mass flowmeter |
| 08/02/1989 | EP0147427B1 Method and apparatus for coal analysis and flow measurement |
| 08/01/1989 | US4852410 Omega-shaped, coriolis-type mass flow rate meter |
| 08/01/1989 | US4852409 Signal recovery system for mass flowmeter |
| 08/01/1989 | US4852401 Well fluid flow velocity measuring apparatus including a spinner cartridge assembly |
| 07/27/1989 | DE3801262A1 Method and device for protecting measuring elements arranged in gas streams against soiling |
| 07/26/1989 | EP0324961A1 Apparatus for measuring air masses and method for producing an apparatus for measuring air masses |
| 07/26/1989 | EP0324783A1 Custody transfer meter. |
| 07/26/1989 | CN2041806U Uniflow water meter |
| 07/25/1989 | US4851666 Optical flow meter |
| 07/25/1989 | US4850717 Process sensor tube having erosion and corrosion resistance |
| 07/25/1989 | US4850364 Medical ultrasound imaging system with velocity-dependent rejection filtering |
| 07/25/1989 | US4850220 Apparatus for measuring amount of ultrafiltrate and concentration of receiving solvent in dialysis |
| 07/25/1989 | US4850219 Method and apparatus for measuring the quantity of intake air based on the temperature variation caused by heat dissipation |
| 07/25/1989 | US4850218 Device for measuring amount of engine suction air |
| 07/25/1989 | CA1257784A1 Apparatus for mass flow rate and density measurement |
| 07/25/1989 | CA1257783A1 Apparatus for mass flow rate and density measurement |
| 07/20/1989 | DE3800486A1 Pressure pick-up for detecting an air-conditioning flow including a ventilating conduit and a measuring method |
| 07/20/1989 | DE3800219A1 Method and measuring device for determining the volume of exhaust-gas flows, in particular for determining automobile exhaust-gas volumes |
| 07/20/1989 | DE3800191A1 Water meter |
| 07/19/1989 | EP0324019A1 Improved accuracy mass flow meter with asymmetry and viscous damping compensation |
| 07/19/1989 | EP0323968A1 Method and apparatus for measuring volume fluid flow. |
| 07/19/1989 | CN1004834B Piezoelectric vortex street flowmeter with wide temp.-range |
| 07/18/1989 | US4848926 Fluid temperature and flow monitor |
| 07/18/1989 | US4848655 Dual heating system |
| 07/18/1989 | US4848164 Liquid flow meter |
| 07/18/1989 | US4848163 Extended range linear flow transducer |
| 07/18/1989 | US4848153 Method and apparatus for detecting laminar flow separation and reattachment |
| 07/18/1989 | US4848147 Thermal transient anemometer |
| 07/18/1989 | CA1257486A1 Flow sensor with adjustable sensitivity |
| 07/12/1989 | EP0323694A2 Thermal air flow meter |
| 07/12/1989 | CN2041031U Divided-flow type flowmeter |
| 07/11/1989 | US4846133 Fuel control apparatus |
| 07/11/1989 | US4845989 Method and apparatus for determining elastic constants in tubes |