| 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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| 09/30/1980 | US4224827 Device for watching the flowing condition of a gas in a conduit |
| 09/23/1980 | US4223557 Flowmeter |
| 09/17/1980 | EP0015891A1 Impeller meter |
| 09/16/1980 | CA1085648A1 Mass rate of flow meter |
| 09/09/1980 | US4221134 Differential pressure transducer with strain gauge |
| 09/09/1980 | US4221128 Acoustic current meter |
| 09/09/1980 | US4221127 Flow monitoring |
| 09/04/1980 | WO1980001836A1 Flow calculator with velocity curve fitting circuit means |
| 09/03/1980 | EP0014934A1 Device for measuring rate of flow and heat quantity and process for determining rate of flow |
| 09/03/1980 | EP0014793A1 Ultrasound System and method for directional detection of blood velocities |
| 09/02/1980 | US4220046 Flowmetering apparatus |
| 09/02/1980 | US4220045 Mass flow measuring apparatus |
| 09/02/1980 | US4220039 Fluid temperature compensator circuit for a thermal gauge probe |
| 08/26/1980 | US4218915 Electromagnetic flowmeter |
| 08/19/1980 | US4217909 Directional detection of blood velocities in an ultrasound system |
| 08/19/1980 | US4217777 Flow measuring system |
| 08/19/1980 | CA1084117A1 Rf admittance measuring method and apparatus for determining the level of a conductive liquid |
| 08/12/1980 | US4216673 Fluid property detection system |
| 08/06/1980 | EP0013964A1 Device responsive to fluid flows within a range from above a predetermined minimum to below a predetermined maximum and nonresponsive to fluid flows beyond said range |
| 08/06/1980 | EP0013932A1 Device responsive to fluid leakage flows within a range from above a predetermined minimum to below a predetermined maximum and nonresponsive to fluid flows beyond said range |
| 08/05/1980 | US4215573 Fluid metering device |
| 08/05/1980 | US4215565 Method and apparatus for testing a fluid |
| 07/29/1980 | US4214478 System and method for eliminating errors in airflow measurement apparatus |
| 07/29/1980 | US4214477 Flangeless electromagnetic flowmeter |
| 07/29/1980 | CA1082564A1 Spool type metering valve |
| 07/24/1980 | WO1980001513A1 Fluid flow method and apparatus |
| 07/22/1980 | US4213336 Device for measuring flow of weak cell liquor |
| 07/22/1980 | US4213335 Flow rate meter with temperature dependent resistor |
| 07/15/1980 | US4213071 Oxygen filled, sealed housing for piezoceramic electroacoustic transducer |
| 07/15/1980 | US4212834 Fuel supply system |
| 07/15/1980 | US4212200 Instantaneous flow meter for automobile vehicles |
| 07/15/1980 | CA1081840A1 Thermal power measurement apparatus |
| 07/09/1980 | EP0013134A1 Liquid flow metering device |
| 07/08/1980 | CA1081001A2 Liquid measuring and collection device |
| 07/08/1980 | CA1080994A1 Flow proportioner |
| 07/01/1980 | US4210809 Method and apparatus for the non-invasive determination of the characteristics of a segmented fluid stream |
| 07/01/1980 | US4210022 Method for the inductive measurement of fluid flow |
| 07/01/1980 | US4210016 Flow rate meter with temperature-dependent resistor |
| 07/01/1980 | CA1080843A1 Grain loss monitor |
| 06/25/1980 | EP0012160A1 Ultrasonic method and apparatus for determining quantitative and volumetric data of an oil-water mixture |
| 06/24/1980 | US4208908 Speed of sound compensation for Doppler flowmeter |
| 06/17/1980 | CA1079870A1 Behind casing fluid flow detection in producing wells using gas lift |
| 06/11/1980 | EP0012058A1 Measuring apparatus for a parameter relating to a fluid flow in a canalization |
| 06/11/1980 | EP0011956A1 Flow responsive device and utilisation thereof |
| 06/11/1980 | EP0011878A1 Process and apparatus to determine flow speeds, and their application in an ultrasonic diagnosing device |
| 06/11/1980 | EP0011787A1 Liquid meter comprising a circuit for reducing a detection error resulting from a variable flow rate |
| 06/10/1980 | US4206644 Respiration sensors |
| 06/10/1980 | US4206643 Flow totalizer |
| 06/10/1980 | US4206642 Flowmeter |
| 06/10/1980 | US4206641 Electromagnetic flow meter |
| 06/10/1980 | US4206640 Magnetic flowmeter |
| 06/10/1980 | CA1079406A1 Fluid flow measuring system and method |
| 06/10/1980 | CA1079391A1 Acoustic oscillator fluid velocity measuring device |
| 06/10/1980 | CA1079090A1 Flow rate measuring device |
| 06/03/1980 | US4205703 Flow sensor responsive to fluid within a range from above a predetermined minimum to below a predetermined maximum and nonresponsive to fluid flows beyond said range |
| 06/03/1980 | US4205702 Flow sensor responsive to fluid leakage flow within a range from above a predetermined minimum to below a predetermined maximum and nonresponsive to fluid leakage flows beyond said range |
| 06/03/1980 | US4205636 Apparatus for controlling the air fuel mixture of an internal combustion engine |
| 05/27/1980 | US4205230 Solid materials flow rate measurement |
| 05/27/1980 | US4204545 Limb blood flowmeter |
| 05/27/1980 | US4204538 Cassette for intravenous controller |
| 05/20/1980 | US4204240 High-voltage impulse driver for electromagnetic flowmeter |
| 05/20/1980 | US4203820 Float tube of polysulfone |
| 05/20/1980 | US4203398 Electrostatic apparatus for controlling flow rate of liquid |
| 05/20/1980 | US4203323 Flowmetering method and device |
| 05/20/1980 | US4203322 Apparatus for the ultrasonic measurement of the flow velocity of fluent media |
| 05/13/1980 | US4202353 Temperature and respiration sensing probe |
| 05/13/1980 | US4202211 Flow measuring system |
| 05/13/1980 | US4202210 Ultrasonic flow meter for gases |
| 05/06/1980 | US4201467 Gas velocity meter |
| 05/06/1980 | US4201161 Control system for internal combustion engine |
| 05/06/1980 | US4201084 Vortex flow meter |
| 05/06/1980 | US4201083 Velocity detecting apparatus |
| 05/06/1980 | CA1077107A1 Spider bearing support for a meter rotor |
| 05/01/1980 | WO1980000876A1 A device for measuring the flow velocity of fluids |
| 04/29/1980 | US4200911 Control of the flow rate and fluid pressure in a pipeline network for optimum distribution of the fluid to consumers |
| 04/29/1980 | US4200806 Scanning flow indicator for rotameters |
| 04/29/1980 | US4200120 Area type flow rate measuring device |
| 04/29/1980 | US4200112 Device for measuring the force of a urine discharge |
| 04/29/1980 | US4199982 Liquid flowmeters |
| 04/29/1980 | US4199981 Flow control device for fluids flowing in a closed conduit |
| 04/22/1980 | US4199274 Flow measuring flume of adjustable capacity |
| 04/22/1980 | US4198987 Measuring system including elements implantable beneath the skin |
| 04/22/1980 | US4198860 Method and apparatus for measuring particulate matter flow rate |
| 04/22/1980 | CA1076229A1 Two-wire transmitter with totalizing counter |
| 04/17/1980 | WO1980000745A1 Acoustic current meter |
| 04/15/1980 | US4197857 System for measurement of oxygen uptake and respiratory quotient |
| 04/15/1980 | US4197824 Fuel injection system |
| 04/15/1980 | US4197809 Flow responsive device |
| 04/15/1980 | US4197740 Fluid flow measuring apparatus |
| 04/15/1980 | US4197739 Split bar vortex shedding flowmeter |
| 04/15/1980 | CA1075489A1 Measurement and control of multicomponent liquid systems |
| 04/08/1980 | US4197456 Flowmeter for liquids |
| 04/08/1980 | US4196631 Ultrasonic probe for measuring liquids at high temperature and under high pressure |
| 04/08/1980 | US4196622 Method and apparatus for improving the reliability of an airflow measuring system |
| 04/08/1980 | US4196621 Devices for detecting fluid flow |
| 04/01/1980 | US4195965 Ram pump flowmeter |
| 04/01/1980 | US4195814 Continuously operable fuel injection device |
| 04/01/1980 | US4195522 Flowmeter |
| 04/01/1980 | US4195521 Volumetric flow measuring device |
| 04/01/1980 | US4195520 Portable flow-measuring device |