| 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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| 01/03/1989 | US4794794 Thermal anemometer |
| 12/29/1988 | WO1988010411A1 Hot wire type air flow meter |
| 12/28/1988 | CN88211377U Flowmeter |
| 12/28/1988 | CA1247385A Apparatus for measuring refrigerant flow rate in refrigeration cycle |
| 12/27/1988 | US4793191 Mass flow meter operating by the cariolis principle |
| 12/27/1988 | US4793190 Device for measuring and indicating flow around a bend |
| 12/27/1988 | US4793176 Hot film type air flow meter having a temperature sensing exothermic resistor |
| 12/21/1988 | EP0295845A1 Fluidic oscillator |
| 12/21/1988 | EP0295647A1 Hot-wire type air flow meter. |
| 12/21/1988 | EP0295623A1 Fluidic flowmeter |
| 12/21/1988 | EP0295575A1 Flow transducer particularly for diagnostic of lungdiseases |
| 12/21/1988 | EP0295546A2 Optical fiber sensor |
| 12/21/1988 | CN87216744U Drilling laser flowmeter |
| 12/20/1988 | US4791818 Cantilever beam, insertable, vortex meter sensor |
| 12/20/1988 | US4791817 Method of determination and monitoring of fuel mass stream |
| 12/20/1988 | US4791810 Flow monitoring |
| 12/20/1988 | CA1247240A1 Thermoresistive flowmeter element, and method |
| 12/20/1988 | CA1247229A1 Digital flow meter circuit and method for measuring flow |
| 12/15/1988 | DE3718827A1 Apparatus for measuring the throughflow rate of a gaseous medium |
| 12/14/1988 | EP0294924A1 Method and apparatus for compensating for a DC offset voltage in an electromagnetic flow meter |
| 12/14/1988 | EP0294689A1 Hot film type air flow meter |
| 12/13/1988 | US4791547 Measurement and control system |
| 12/13/1988 | US4791414 Water-flow detector |
| 12/13/1988 | US4790195 Flow sensors |
| 12/13/1988 | US4790194 Flow measurement device |
| 12/13/1988 | US4790182 Coiled platinum wire overcoated with glass; improved transient response characteristics |
| 12/13/1988 | US4790181 Thermal mass flow meter and method of making same |
| 12/13/1988 | US4790178 Intake structure of internal combustion engine with bypass intake passage for mounting air flow meter |
| 12/13/1988 | CA1246761A1 Characterization of two-phase flow in pipes |
| 12/13/1988 | CA1246396A1 Fluid flow controller |
| 12/13/1988 | CA1246356A1 Fluid flow sensor having multiplying effect |
| 12/07/1988 | EP0294157A1 Transducer for fluid flow |
| 12/06/1988 | US4788929 Fluid indicator for refrigeration system |
| 12/06/1988 | US4788869 Apparatus for measuring fluid flow |
| 12/06/1988 | US4788860 Hot-wire sensor for integrally measuring material or volume flows |
| 12/01/1988 | DE3725978C1 Laser Doppler anemometer |
| 11/30/1988 | EP0293104A1 Flowmeter |
| 11/30/1988 | EP0292723A2 Device for continuously indicating the progression rate of a flow of bulk material and/or for continuously dosing bulk material |
| 11/30/1988 | EP0292570A1 Flow meter |
| 11/30/1988 | EP0198731B1 Ultrasonic-wave transducer to get in contact with a high-temperature wall, and its use |
| 11/30/1988 | CN88211211U Mixing pump for metering water-power |
| 11/29/1988 | US4788500 Measurement of capillary flow using nuclear magnetic resonance |
| 11/29/1988 | US4787254 Mass flow meter |
| 11/29/1988 | US4787253 Electronic display flow meter |
| 11/29/1988 | US4787252 For measuring a selected transmission characteristic of a medium |
| 11/23/1988 | EP0291953A1 System for measuring amount of air introduced into combustion chamber of internal combustion engine with avoiding influence of temperature dependent air density variation and pulsatile air flow |
| 11/23/1988 | EP0291583A1 Heating apparatus |
| 11/22/1988 | US4786168 Processing a succession of random output burst signals |
| 11/22/1988 | US4785672 Printed circuit capacitance electrodes |
| 11/22/1988 | US4785662 Direct-heated gas-flow measuring apparatus |
| 11/17/1988 | WO1988008959A1 Optical displacement sensor |
| 11/17/1988 | EP0291387A1 Method for measuring the flow in a nuclear magnetic resonance experiment |
| 11/16/1988 | CN88102494A Air inleakage monitoring system |
| 11/15/1988 | US4785245 For determining the amount of organic material in a mixture |
| 11/15/1988 | US4784721 Integrated thin-film diaphragm; backside etch |
| 11/15/1988 | US4784193 Flowmeter |
| 11/15/1988 | US4784001 Magnetic flowmeter with isolation amplifier and ranging circuit therefor and method |
| 11/15/1988 | US4784000 Magnetic flowmeter coil driver and method |
| 11/15/1988 | US4783996 Direct-heated flow measuring apparatus |
| 11/15/1988 | CA1244862A1 Digital fluid flow rate sensor |
| 11/15/1988 | CA1244671A1 Electromagnetic flow meter |
| 11/09/1988 | EP0289566A1 Vortex shedding flowmeter |
| 11/09/1988 | CN88211107U Flow meter for atmosphere sampling pump |
| 11/09/1988 | CN87212178U Anti-freeze water meter |
| 11/08/1988 | US4783314 Fluorescent tracers - chemical treatment monitors |
| 11/08/1988 | US4782839 Method for determining flowing matter by means of NMR tomography |
| 11/08/1988 | US4782711 Method and apparatus for measuring mass flow |
| 11/08/1988 | US4782710 Karman vortex flow meter |
| 11/08/1988 | US4782709 Electromagnetic flowmeter |
| 11/08/1988 | US4782708 Junction of bismuth antimony alloy and gold, platinum, or nickel strips |
| 11/08/1988 | US4782707 Apparatus for detecting flow amount of fluid in passage |
| 11/08/1988 | US4782697 Acoustic current meter |
| 11/03/1988 | WO1988008540A1 Transducer device operating with ultrasound for the measurement of the flow velocity of a fluid in a pipe |
| 11/03/1988 | WO1988008539A1 Transducer for arranging in a fluid, particularly for the measurement of the flow-velocity of a fluid in a pipe, by transmitting/receiving sonic pulses |
| 11/03/1988 | WO1988008517A1 Fluid measurement apparatus providing flow tube strain relief |
| 11/03/1988 | WO1988008516A1 Ultrasonic fluid flowmeter |
| 11/03/1988 | DE3713301A1 Process for measuring flow quantities and thermal flow transmitter for this |
| 11/03/1988 | DE3712948A1 Electrode for a magnetic-inductive flow meter |
| 11/02/1988 | EP0289361A1 Medical infusion apparatus |
| 11/02/1988 | EP0288806A2 Heat transfer measuring device, in particular for flow monitoring |
| 11/02/1988 | EP0288588A1 Flow meter |
| 11/02/1988 | EP0288514A1 Fiber optic sensor apparatus |
| 11/02/1988 | CN88102107A Mass flowmeter |
| 11/01/1988 | US4782295 Nuclear magnetic resonance flowmeter |
| 11/01/1988 | US4782282 Capacitive-type seed sensor for a planter monitor |
| 11/01/1988 | US4781536 Low-flow pump-off control |
| 11/01/1988 | US4781525 Flow measurement system |
| 11/01/1988 | US4781070 Flow meter |
| 11/01/1988 | US4781069 Mode selection apparatus for multiple tube coriolis type mass flow meters |
| 11/01/1988 | US4781068 Differential mass flowmeter |
| 10/27/1988 | DE3711754A1 Explosion-proof magneto-inductive flow meter |
| 10/26/1988 | EP0288330A2 Rate-of-flow meter for dangerous liquids |
| 10/26/1988 | EP0287850A1 Sensor for measuring the flow of a liquid in a conduit |
| 10/26/1988 | CN88101977A Transmitter of diving electromagnetic flowmeter |
| 10/25/1988 | US4780834 Apparatus for measuring mass throughput of a fluid moved in a channel |
| 10/25/1988 | US4779462 Apparatus for the automatic measurement of the apparent density of the mud in a liquid, system for the automatic measurement of the ponsar index of such a mud using the apparatus and process for measuring said index |
| 10/25/1988 | US4779458 Flow sensor |
| 10/19/1988 | EP0287146A2 Method of deriving a spin resonance signal from a moving fluid |
| 10/19/1988 | EP0286831A1 Method for measuring the volume of bulk material conveyed by a conveying belt |
| 10/19/1988 | EP0286670A1 Density insensitive coriolis mass flow rate meter. |