| 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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| 05/17/1988 | US4744246 Flow sensor on insulator |
| 05/17/1988 | CA1236931A1 Semiconductor device structure and processing by means of preferential etch undercutting |
| 05/11/1988 | EP0266761A2 Measurement of flow rate of powder from a hopper |
| 05/11/1988 | EP0266480A1 Apparatus for the determination of the direction of a flow |
| 05/11/1988 | EP0266376A1 Device and process for measuring the flowrate of a free flow in space. |
| 05/11/1988 | CN87211075U Ultrasonic wave detecter for silt density measurement in the river |
| 05/10/1988 | US4743760 Method and apparatus for metering flowable particulates |
| 05/10/1988 | US4743143 Powder flow-rate measuring and controlling apparatus |
| 05/10/1988 | US4742717 Gas flow rate measuring device |
| 05/10/1988 | US4742711 Arrangement having an air-mass meter for an internal combustion engine |
| 05/10/1988 | US4742710 Arrangement having an air-mass meter for an internal combustion engine |
| 05/05/1988 | WO1988003261A1 Coriolis-type mass flowmeter |
| 05/05/1988 | WO1988003260A1 Vortex shedding flowmeter |
| 05/05/1988 | DE3734635A1 Flow volume counter for liquid media |
| 05/05/1988 | DE3637235A1 Laser doppler anemometer |
| 05/05/1988 | DE3636930A1 Method and device for sensing the through-flows of fluids |
| 05/04/1988 | EP0266215A2 Frequency sensing devices |
| 05/04/1988 | EP0266025A1 Variable orifice flow meter |
| 05/04/1988 | EP0265617A2 Micro-nebulizer for analytical instruments |
| 05/03/1988 | US4742574 Two-wire 4-20 mA electronics for a fiber optic vortex shedding flowmeter |
| 05/03/1988 | US4741313 Fuel control apparatus |
| 05/03/1988 | US4741216 Split flowtube for molten metal magnetic flowmeter |
| 05/03/1988 | US4741215 Flow tube for a magnetic flowmeter |
| 04/27/1988 | EP0264991A1 Ultrasonic flow meter |
| 04/27/1988 | EP0264408A1 Inductive proximity sensor |
| 04/27/1988 | CN87106773A Density insensitive coriolis mass flow rate meter |
| 04/26/1988 | US4739657 Resistance with linear temperature coefficient |
| 04/26/1988 | US4739656 Flow sensing device |
| 04/26/1988 | US4739651 Throttle body with internally mounted anemometer |
| 04/26/1988 | US4739650 Gas flow measuring apparatus |
| 04/21/1988 | WO1988002853A1 Apparatus and methods for measuring the density of an unknown fluid using a coriolis meter |
| 04/21/1988 | WO1988002819A1 Detecting method and apparatus using heat sensitive devices |
| 04/21/1988 | DE3635098A1 Flowmeter for gases |
| 04/21/1988 | DE3634705A1 Flowmeter |
| 04/20/1988 | CN87106770A Heat resistance wire type of air flowmeter |
| 04/20/1988 | CN86209021U Hollow-rod and strain filament-beam type flow velocity probe |
| 04/19/1988 | US4738737 Applying zinc oxide-silicone grease to a metal substrate and attaching a transducer |
| 04/19/1988 | US4738395 Fluid flow rate detector and system |
| 04/19/1988 | US4738258 For an identification tag |
| 04/19/1988 | US4738144 Drive means for oscillating flow tubes of parallel path coriolis mass flow rate meter |
| 04/19/1988 | US4738143 High temperature Coriolis mass flow rate meter |
| 04/19/1988 | US4738134 Ink transfer volume measuring assembly |
| 04/14/1988 | DE3732583A1 Flow-measuring (metering) probe |
| 04/13/1988 | EP0263719A1 Measuring mass flow rates of fluid flows |
| 04/13/1988 | EP0263219A1 Device provided with strain gauges for measuring forces and couples |
| 04/13/1988 | CN87204365U Flow indicator with magnetic control in well drilling |
| 04/13/1988 | CN87103501A 流量传感器 Flow Sensors |
| 04/13/1988 | CN86207061U Recorder for measuring the flow of water |
| 04/13/1988 | CN86202980U Apparatus for measuring the flow of the coal dust through in blast furnace |
| 04/12/1988 | US4736657 Adjusting tool |
| 04/12/1988 | US4736635 Electromagnetic flowmeter |
| 04/12/1988 | US4736634 Magnetic field generating device for electromagnetic flowmeter of residual magnetization type |
| 04/12/1988 | US4736627 Steam profile liquid/vapor separator |
| 04/07/1988 | WO1988002545A1 Fiber optic sensor apparatus |
| 04/07/1988 | WO1988002477A1 Density insensitive coriolis mass flow rate meter |
| 04/07/1988 | WO1988002476A1 Custody transfer meter |
| 04/07/1988 | WO1988002475A1 Improved drive means for oscillating flow tubes of parallel path coriolis mass flow rate meter |
| 04/07/1988 | DE3633192A1 Air rate meter according to the vortex velocity principle |
| 04/06/1988 | EP0262573A2 Mass flow meter |
| 04/06/1988 | EP0262461A2 Ultrasonic fluid flow rate motor using the phase difference method |
| 04/06/1988 | EP0262441A1 Ultrasonic phase difference method for measuring high flow velocities |
| 04/06/1988 | EP0262436A1 Vortex flow meter, particularly an air flow meter for electrical injection control in motor vehicle engines |
| 04/06/1988 | EP0262335A2 Method and device for continuously measuring the extraction flow rate of bulk goods |
| 04/06/1988 | CN87212927U Condensor type instrument for measuring density of coal powder |
| 04/06/1988 | CN87211689U Electronic measuring meter for muddy water |
| 04/06/1988 | CN87207947U Carillon made of white sand steel |
| 04/06/1988 | CN87203478U 流量监测器 Flow monitors |
| 04/05/1988 | US4735100 Fluid flow sensor having multiplying effect |
| 04/05/1988 | US4735099 Direct-heated gas-flow measuring apparatus |
| 04/05/1988 | US4735097 Method and apparatus for measuring fluid characteristics using surface generated volumetric interrogation signals |
| 04/05/1988 | US4735094 Dual bluff body vortex flowmeter |
| 04/05/1988 | US4735086 Thick film mass airflow meter with minimal thermal radiation loss |
| 04/05/1988 | CA1234869A1 Nuclear magnetic resonance blood flowmeter |
| 03/31/1988 | DE3633306A1 Circuit arrangement for ultrasonic flowmeters |
| 03/30/1988 | EP0261529A2 Flow meter |
| 03/30/1988 | EP0261436A2 Mass flow meter according to the Coriolis principle |
| 03/30/1988 | EP0261435A2 Mass flow meter according to the coriolis principle |
| 03/30/1988 | EP0261393A2 Surface acoustic wave gas flow rate sensor with self-heating feature |
| 03/30/1988 | CN87213580U Hall swirl flow rate sensing device |
| 03/30/1988 | CN87204848U Three-way flowmeter |
| 03/30/1988 | CN87203488U Flow rate measuring device for open chonnel |
| 03/30/1988 | CN86106313A Cumulative water measuring device for use at weir |
| 03/29/1988 | US4733570 Flowmeter |
| 03/29/1988 | US4733569 Mass flow meter |
| 03/29/1988 | US4733559 Thermal fluid flow sensing method and apparatus for sensing flow over a wide range of flow rates |
| 03/24/1988 | WO1988002105A1 Mass flow meter for flowing media, equipped with coriolis force measuring systems |
| 03/24/1988 | WO1988001850A1 Method and apparatus for measuring volume fluid flow |
| 03/24/1988 | WO1988001370A3 Improved parallel path coriolis mass flow meter |
| 03/23/1988 | EP0260690A2 Monitoring device |
| 03/23/1988 | EP0260335A1 Ultrasonic transreceiver |
| 03/23/1988 | CN87210497U 流量指示器 Flow Indicators |
| 03/23/1988 | CN86106018A Method of particles flow measurement and charred powder flowmeter |
| 03/22/1988 | US4733191 Circuit for changing a periodic intelligence signal into a direct-current signal |
| 03/22/1988 | US4732160 Method of flow measurement and flow meter |
| 03/22/1988 | CA1234300A1 Mass flowmeter |
| 03/17/1988 | DE3630885A1 Inductive flowmeter |
| 03/16/1988 | EP0259610A2 Heated wire sensor for the integral measurement of mass or volume flow |
| 03/15/1988 | US4730501 Single tube parallel flow coriolis mass flow sensor |
| 03/15/1988 | US4730500 Vortex generating mass flowmeter |
| 03/15/1988 | US4730499 Measurement of flow rate of powder from a hopper |