| 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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| 04/01/1980 | US4195519 Measurement of water flow rate |
| 04/01/1980 | US4195518 Armored rotameter |
| 04/01/1980 | US4195517 Ultrasonic flowmeter |
| 04/01/1980 | US4195516 Apparatus for continuously measuring rates of flow of a liquid |
| 04/01/1980 | US4195515 In line electromagnetic flow measurement transducer |
| 03/25/1980 | US4194394 Flow meter |
| 03/25/1980 | US4194386 Variable area metering tube and method of manufacture |
| 03/18/1980 | US4193301 Flow meter |
| 03/18/1980 | US4193300 Signal linearizing circuit for internal combustion engines |
| 03/18/1980 | US4193298 Excitation system for electromagnetic flowmeter |
| 03/18/1980 | US4193296 Method and an instrument for the measurement of the flow rate of gases based on ionization |
| 03/18/1980 | US4193291 Slow torsional wave densitometer |
| 03/18/1980 | CA1073700A1 Fluid pressure sensing means with flow straightening means |
| 03/11/1980 | US4193054 Air flow transducer |
| 03/11/1980 | US4192710 Method and apparatus for measuring the throughflow quantity of a liquid substance per unit of time in a papermaking machine |
| 03/11/1980 | US4192184 Mass flowmeter |
| 03/04/1980 | US4191951 Device for sensing fluid forces |
| 03/04/1980 | US4191216 Fabricated orifice fitting mechanism for pipelines |
| 03/04/1980 | US4191215 Digital fluid flow rate controller |
| 02/26/1980 | US4190829 Current/flow comparator |
| 02/26/1980 | US4189941 Vane straightener retainer |
| 02/20/1980 | EP0008185A1 Flowmeter of hot wire type |
| 02/19/1980 | CA1072201A1 Sonic transducer surfaces |
| 02/19/1980 | CA1071893A1 Gas flow metering through an orifice |
| 02/12/1980 | US4188624 Method and apparatus for monitoring fluid flow through a drill string |
| 02/12/1980 | US4188572 Current sensing device |
| 02/12/1980 | US4188144 Mechanism for holding and guiding a pivoting member |
| 02/12/1980 | US4187722 Device for measuring the velocity of a urine discharge |
| 02/12/1980 | US4187721 Method and structure for flow measurement |
| 02/12/1980 | CA1071432A1 Vane type meter |
| 02/12/1980 | CA1071431A1 Flowmeter plate and sensing apparatus |
| 02/07/1980 | WO1980000186A1 Split bar vortex shedding flowmeter |
| 02/06/1980 | EP0007782A1 Fluid flow measuring apparatus |
| 02/06/1980 | EP0007553A1 Flow meter based on the "Kármán vortices" principle |
| 02/05/1980 | US4186603 Turbine flowmeter |
| 02/05/1980 | US4186602 High response automotive mass air flow sensor |
| 02/05/1980 | US4186601 Mass flow measuring apparatus |
| 02/05/1980 | US4186600 Magnet system for electromagnetic flowmeter |
| 02/05/1980 | US4186599 Vortex shedding flowmeter assembly |
| 01/29/1980 | US4185604 Feedback control system for gas flow in internal combustion engine for purpose of exhaust gas purification |
| 01/29/1980 | US4185498 Flowmeter |
| 01/29/1980 | CA1070857A1 Detection of behind casing water flow at an angle to the axis of a well borehole |
| 01/23/1980 | EP0007155A1 Monitoring apparatus |
| 01/23/1980 | EP0007111A2 Flow meter based on the "Kármán vortices" principle |
| 01/22/1980 | US4184505 Fuel flow rate measuring device |
| 01/22/1980 | US4184466 Linear displacement flow rate meter |
| 01/22/1980 | US4184367 Nipple flow rate tester |
| 01/22/1980 | CA1070438A1 Behind well casing water flow detection system |
| 01/22/1980 | CA1070116A1 Method for estimating and controlling the mass flow rate of a free falling fluid stream |
| 01/15/1980 | US4183245 Synchronous frequency-to-voltage converter for doppler apparatus |
| 01/15/1980 | US4183244 Ultrasonic flow rate measuring apparatus |
| 01/15/1980 | US4183243 Gas flow monitor |
| 01/09/1980 | EP0006464A2 Flow velocity measuring apparatus using ultrasonic oscillations |
| 01/08/1980 | US4182486 Fluidic flow sensing and control apparatus |
| 01/08/1980 | US4182259 Apparatus for measuring coating thickness on an applicator roll |
| 01/08/1980 | US4182175 Spirometer |
| 01/08/1980 | US4182172 Flow meter |
| 01/08/1980 | US4182165 Fluid flow rate measuring apparatus |
| 01/08/1980 | CA1069342A1 Variable orifice gas flow sensing head |
| 01/02/1980 | WO1980002071A1 A method and a meter for measuring quantities of heat |
| 01/01/1980 | US4181020 Vortex-shedding flowmeter having a sensing vane |
| 01/01/1980 | US4181019 Electromagnetic flowmeter with noise compensation |
| 01/01/1980 | US4181018 Unitary electromagnetic flowmeter |
| 01/01/1980 | US4181013 Electrodes for an electromagnetic flow meter |
| 01/01/1980 | CA1069200A Apparatus for sensing moving particles or small moving objects |
| 01/01/1980 | CA1069179A Method and apparatus for determining the flux of a flowing fluid |
| 01/01/1980 | CA1068937A Process and apparatus for measuring the relative rates of flow of each phase of a two-phase fluid flow comprising a liquid and a gas |
| 12/27/1979 | WO1979001119A1 Peak tracking correlator |
| 12/25/1979 | US4179925 Flowmeter rotor mounting |
| 12/25/1979 | US4179924 Mounting for paddlewheel photoelectric transducer |
| 12/18/1979 | US4178919 Flowmeter for providing synchronized flow data and respiratory gas samples to a medical mass spectrometer |
| 12/18/1979 | US4178801 Measurement of gas-liquid flow |
| 12/18/1979 | CA1068128A1 Open stream velocity probe and meter |
| 12/11/1979 | US4178506 Method for detecting fractures in formations surrounding earth boreholes |
| 12/11/1979 | US4177676 Sensor positioning apparatus |
| 12/11/1979 | US4177675 Spreader application rate monitoring device |
| 12/11/1979 | US4177673 Anemometer |
| 11/27/1979 | US4175566 Catheter fluid-velocity flow probe |
| 11/27/1979 | US4175434 Compound meter assembly |
| 11/27/1979 | US4175433 Method of and apparatus for the measurement of the rate of flow by means of a bypass |
| 11/27/1979 | CA1067174A1 Solid state seed sensor |
| 11/27/1979 | CA1067134A1 Ion production means |
| 11/20/1979 | US4174734 Fluid flow metering tube with minimum pressure energy loss |
| 11/20/1979 | US4174692 Fuel injection device |
| 11/13/1979 | US4174065 Fluid flow regulating systems |
| 11/13/1979 | US4174049 Device for purging pitot and static line tubes |
| 11/13/1979 | US4173891 Method and apparatus for measuring gas flow |
| 11/13/1979 | US4173890 By-pass flowmeter |
| 11/13/1979 | US4173889 Ultrasonic flowmeter |
| 11/13/1979 | US4173888 Peak point detector for ionized mass flow rate measurement |
| 11/06/1979 | US4173718 Method for monitoring fluid movement behind casing in oil and gas wells |
| 11/06/1979 | US4173144 Low flow rate transducer construction |
| 11/06/1979 | US4173143 Fluid flow measuring apparatus |
| 11/06/1979 | CA1065648A1 Method and portable apparatus for monitoring the flow of liquid in an open channel |
| 10/31/1979 | EP0004906A1 Method and apparatus for measuring the weight of a moving object, in particular of a gob of molten glass |
| 10/30/1979 | US4172381 Flowmeter for liquids |
| 10/30/1979 | CA1065502A1 Behind casing water flow detection using continuous oxygen activation |
| 10/30/1979 | CA1065495A1 Thermal gauge probe |
| 10/23/1979 | US4171643 Vortex shedding flowmeter construction |
| 10/23/1979 | US4171638 System for measuring pulsating fluid flow |