| 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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| 02/26/1991 | CA2039735A1 Device for measuring the flow of a gas containing particulates |
| 02/21/1991 | WO1991002225A1 Process for correcting measurement errors of a hot-film device for measuring air masses |
| 02/21/1991 | CA2021636A1 Beverage dispensing device |
| 02/19/1991 | WO1991002598A1 Paint conductivity measurement system |
| 02/19/1991 | US4994780 Heated extended resistance temperature sensor, apparatus for sensing and method of making same |
| 02/19/1991 | US4994741 Magnetic motion sensing device for sensing inclination and swaying |
| 02/19/1991 | US4993453 Valve and arrangement for fire suppression water sprinkler system |
| 02/19/1991 | US4993418 Doppler blood flow system and method using low frequency noise signal processing |
| 02/19/1991 | US4993365 Flow rate meter and automatic animal feeder installation employing such flow meter |
| 02/19/1991 | US4993269 Variable orifice flow sensing apparatus |
| 02/19/1991 | US4993261 Flowmeter with boundary layer control |
| 02/19/1991 | US4993169 Seat slot gage tool |
| 02/19/1991 | CA2038955A1 Paint conductivity measurement system |
| 02/19/1991 | CA1280296C Flowmeter |
| 02/13/1991 | EP0412929A2 Fuel control utilizing a multifunction valve |
| 02/12/1991 | US4992952 Paint discharge rate control system |
| 02/12/1991 | US4991586 Method for monitoring vascular flow using magnetic resonance signals |
| 02/12/1991 | US4991560 Hot-wire air flow meter and internal combustion engine provided with same |
| 02/08/1991 | WO1991002224A1 Dust deflector for silicon mass airflow sensor |
| 02/08/1991 | CA2060188A1 Dust deflector for silicon mass airflow sensor |
| 02/07/1991 | DE3925294A1 Monitoring arrangement for liquid flow in line - has spring loaded piston-like obstruction and damping chambers, and is unaffected by sudden flow changes |
| 02/06/1991 | EP0411518A2 Measuring system to determine air mass flow |
| 02/05/1991 | US4989609 Doppler blood flow system and method using special zero flow rate analysis |
| 02/05/1991 | US4989456 Variable area obstruction gas flow meter |
| 02/05/1991 | US4989446 Ultrasound calibrator |
| 02/05/1991 | US4989445 Apparatus for automatically metering milk drawn by a milker |
| 02/04/1991 | WO1991002218A1 A solid-state transducer based dynamic fluid flow sensing system |
| 02/04/1991 | CA2064590A1 Solid-state transducer based dynamic fluid sensing system |
| 01/31/1991 | DE3925016A1 Liq. glaze application control - e.g. during glazing of ceramic tiles |
| 01/31/1991 | DE3924147A1 Combination water meter with main, by=pass channel meters - has by=pass arranged to eliminate separation of by=pass and meter housing flanges |
| 01/30/1991 | CN2070436U Thin wall straight tube coriolis mass flowmeter |
| 01/29/1991 | US4987914 Mass flowmeter apparatus |
| 01/29/1991 | US4987877 Method and apparatus for detecting intake air state quantity in an internal combustion engine |
| 01/29/1991 | US4987783 Sensor and transducer apparatus |
| 01/29/1991 | US4987773 Method and means for determining air mass in a crankcase scavenged two-stroke engine |
| 01/24/1991 | WO1991000987A1 Air-flow meter |
| 01/24/1991 | WO1991000986A1 Flow detection |
| 01/24/1991 | WO1991000977A1 Device to limit the flow of lubricant through a rotating shaft |
| 01/23/1991 | EP0409779A2 Device for controlled ventilation of rooms |
| 01/23/1991 | EP0409301A2 Acid etch resistant coatings |
| 01/23/1991 | EP0409300A2 Polyurethane polyols and high solids coatings therefrom |
| 01/23/1991 | EP0408660A1 Two cycle engine with low pressure crankcase fuel injection. |
| 01/22/1991 | US4987549 Temperature compensated flowmeter techniques |
| 01/22/1991 | US4986135 Apparatus and method for measuring fluid flow and density |
| 01/22/1991 | US4986134 Vortex flowmeter with inertially balanced vortex sensor |
| 01/22/1991 | US4986133 Flow meter |
| 01/22/1991 | US4986127 Multi-functional sensor |
| 01/22/1991 | US4986123 Holder for thin electrical resistance sensors of an air flow measuring device |
| 01/22/1991 | US4986122 Fluid velocity measurement instrument |
| 01/22/1991 | US4986116 Air flow meter for internal combustion engine |
| 01/22/1991 | US4986115 Internal combustion engine |
| 01/21/1991 | WO1991001452A1 Flow conditioner |
| 01/17/1991 | DE3923048A1 Water meter with measurement mechanism in beaker container - has lid secured by cheaply replaceable element sheared off by excessive internal forces |
| 01/16/1991 | EP0408454A1 Device for restricting the oil flow in a rotating shaft |
| 01/16/1991 | EP0408443A1 Multiple jet liquid meter |
| 01/16/1991 | EP0408355A2 Vortex flowmeters |
| 01/16/1991 | EP0408180A1 Method and apparatus for determining air mass in a crankcase scavenged two-stroke engine |
| 01/16/1991 | EP0408148A1 Sustainer for a directional sensor, measuring system comprising such a sustainer and method to line up such a system |
| 01/16/1991 | EP0407948A1 Turbine flowmeter for measuring fluid quantities |
| 01/16/1991 | EP0407920A1 Device for and method of calibrating the drop volume of a drip-controlled infusion device |
| 01/16/1991 | EP0407676A1 Method for measuring the time differences among the ultrasound signals belonging to a group, and apparatus for carrying out the method |
| 01/16/1991 | CN1048643A Inorganically insulated heater, production thereof, and cathode ray tube using same |
| 01/16/1991 | CN1048594A Electromagnetic flow meter |
| 01/15/1991 | US4985181 Centrifugal pump especially for aquariums |
| 01/15/1991 | US4984472 Apparatus for mass flow rate and density measurement |
| 01/15/1991 | US4984471 Force transmitting mechanism for a vortex flowmeter |
| 01/15/1991 | US4984470 Vortex-shedding flowmeters |
| 01/15/1991 | US4984460 Mass flowmeter |
| 01/15/1991 | US4984456 Device for detecting a mass flow of air fed into an engine cylinder |
| 01/13/1991 | CA2020530A1 Vortex flowmeters |
| 01/10/1991 | WO1991000500A1 Single-jet or multi-jet impeller-type water meter with a device for compensanting for errors due to ageing |
| 01/10/1991 | WO1990013795A3 Enhanced pressure measurement flow control system |
| 01/10/1991 | DE4020502A1 Extrapolation of time varying measurement parameter - by deriving steady state value from instantaneous value, time derivative and differential quotient |
| 01/10/1991 | DE3921021A1 Einstrahl- bzw. mehrstrahlfluegelradwasserzaehler mit durchflussjustier- und reguliervorrichtung Single-beam or mehrstrahlfluegelradwasserzaehler with durchflussjustier- and regulating |
| 01/09/1991 | EP0407104A2 Inorganically insulated heater, process for production thereof and cathode ray tube using the same |
| 01/09/1991 | EP0406426A1 Device for automatically measuring the quantity of milk extracted by milking installation |
| 01/09/1991 | EP0406244A1 A flowmeter. |
| 01/09/1991 | EP0380504A4 Flow line weighing device |
| 01/09/1991 | CN2069103U Full measurement range flowmeter being able to disply digit automatically |
| 01/08/1991 | US4984188 Ultrasonic diagnostic apparatus |
| 01/08/1991 | US4983917 Method for measuring flows in a nuclear magnetic resonance experiment |
| 01/08/1991 | US4982610 Device for measuring the flow of a gas containing particulates |
| 01/08/1991 | US4982605 Air flow monitor and temperature compensating circuit therefor |
| 01/08/1991 | US4982602 Internal combustion engine |
| 01/03/1991 | DE3920929A1 Measuring device for fermented beer - measures accurate liq. flow by measuring pressure and flow upstream and downstream of back-pressure valve |
| 01/02/1991 | CN2068672U Differential pressure whirling fluid quality flowmeter |
| 01/02/1991 | CN2068671U Monitor of gas flow |
| 01/02/1991 | CA1278450C Applicator tool |
| 01/01/1991 | US4982383 Monitoring the flow rate of fluid |
| 01/01/1991 | US4981038 Measuring fluid pressure |
| 01/01/1991 | US4981035 Internal combustion engine |
| 12/31/1990 | CA2020271A1 Sonic flow meter |
| 12/27/1990 | WO1990015975A1 Extended measurement capability transmitter having shared overpressure protection means |
| 12/27/1990 | WO1990015970A1 Automated flow rotameter |
| 12/27/1990 | EP0404218A1 Integrated semiconductor circuit for thermal measurements |
| 12/27/1990 | EP0235274A4 Sensor mounting for vibrating structures |
| 12/26/1990 | CN2068228U Coin-dropping water meter |
| 12/26/1990 | CN1048099A Coriolis-type mass flowmeter having separate parallel tubes |
| 12/25/1990 | US4980825 Servo valve analyzing system and method |
| 12/25/1990 | US4979641 Computerized beer dispensing system |