| Patents for G01P 5 - Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft (8,453) |
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| 05/06/1980 | US4201468 Method and apparatus for Doppler frequency modulation of radiation |
| 05/06/1980 | US4201467 Gas velocity meter |
| 05/06/1980 | US4201084 Vortex flow meter |
| 05/06/1980 | US4201083 Velocity detecting apparatus |
| 05/01/1980 | WO1980000876A1 A device for measuring the flow velocity of fluids |
| 04/22/1980 | US4198987 Measuring system including elements implantable beneath the skin |
| 04/17/1980 | WO1980000745A1 Acoustic current meter |
| 04/16/1980 | EP0009533A1 Doppler velocimeter for aircraft |
| 04/15/1980 | CA1075489A1 Measurement and control of multicomponent liquid systems |
| 04/08/1980 | US4196622 Method and apparatus for improving the reliability of an airflow measuring system |
| 04/08/1980 | CA1075355A1 Acoustic system for measuring the speed of currents in a body of water |
| 04/01/1980 | US4195931 Clear air turbulence detector |
| 04/01/1980 | US4195517 Ultrasonic flowmeter |
| 03/18/1980 | US4193298 Excitation system for electromagnetic flowmeter |
| 03/18/1980 | CA1073700A1 Fluid pressure sensing means with flow straightening means |
| 03/11/1980 | US4192183 Pressure ratio transducer system |
| 03/11/1980 | US4192178 Apparatus for determining stagnation pressure, static pressure, pitch angle, and yaw angle of elastic fluid |
| 03/04/1980 | US4191951 Device for sensing fluid forces |
| 02/26/1980 | US4190367 Device for establishing a condition at the surface of a subject |
| 02/12/1980 | US4188576 Angular rate sensor |
| 02/12/1980 | CA1071431A1 Flowmeter plate and sensing apparatus |
| 02/06/1980 | EP0007782A1 Fluid flow measuring apparatus |
| 02/06/1980 | EP0007553A1 Flow meter based on the "Kármán vortices" principle |
| 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 | CA1070140A1 Pressure sensor for determining airspeed, altitude and angle of attack |
| 01/15/1980 | US4184149 Air speed and attitude probe |
| 01/15/1980 | US4183244 Ultrasonic flow rate measuring apparatus |
| 01/15/1980 | CA1069725A1 Clear air turbulence detector |
| 01/09/1980 | EP0006464A2 Flow velocity measuring apparatus using ultrasonic oscillations |
| 01/08/1980 | US4182570 Device for measuring a component of wind speed |
| 01/08/1980 | US4182188 Airstream pressure sensing probes |
| 01/08/1980 | US4182174 Hinge joints |
| 01/08/1980 | US4182165 Fluid flow rate measuring apparatus |
| 01/01/1980 | CA1069179A Method and apparatus for determining the flux of a flowing fluid |
| 12/11/1979 | US4177673 Anemometer |
| 12/04/1979 | US4177463 Method and device for measuring the velocity of an object relative to a reference |
| 11/29/1979 | WO1979001039A1 Fast detector of wind gradient |
| 11/28/1979 | EP0005662A1 Device for rapidly detecting a wind gradient |
| 11/27/1979 | US4176337 Apparatus for measuring the time between received pulses |
| 11/27/1979 | US4175566 Catheter fluid-velocity flow probe |
| 11/20/1979 | US4174630 Ultrasonic anemometer |
| 11/13/1979 | US4174049 Device for purging pitot and static line tubes |
| 11/06/1979 | US4173143 Fluid flow measuring apparatus |
| 10/23/1979 | CA1065060A1 Cross-correlator circuit |
| 10/16/1979 | US4170899 Method and apparatus for measuring gas flow speed |
| 10/16/1979 | CA1064607A1 Arrangement for determining liquid and gas flow rates |
| 10/02/1979 | USRE30105 Fluid measuring apparatus |
| 09/18/1979 | US4167873 Flow meter |
| 09/11/1979 | US4167736 Fluid flow measurement |
| 09/11/1979 | US4167329 Focussed doppler radar |
| 09/04/1979 | US4166695 Method and apparatus for measuring retinal blood flow |
| 08/07/1979 | CA1059791A1 Portable air velocity measuring unit |
| 08/07/1979 | CA1059789A1 Fluid flow signal processing circuit |
| 07/31/1979 | US4162630 Measurement and reconstruction of three-dimensional fluid flow |
| 07/31/1979 | CA1059339A1 Method and apparatus for measuring the electrophoretic mobility of suspended particles |
| 07/03/1979 | US4159647 Apparatus for measuring the flow quantity or associated parameters of a liquid with two ultrasonic transducers |
| 07/03/1979 | US4159646 Apparatus for measuring the flow quantity or associated parameters of a liquid with two ultrasonic transducers |
| 07/03/1979 | US4159644 Ship's log and speedometer |
| 07/03/1979 | CA1057528A1 Directional hot film anemometer transducer |
| 06/05/1979 | US4157502 Arrangement for determining the effective value and/or the power of electrical signals |
| 05/22/1979 | US4155252 Wind energy metering and recording systems |
| 05/15/1979 | US4154101 Air velocity gauge |
| 05/15/1979 | US4154100 Method and apparatus for stabilizing the flow coefficient for pitot-type flowmeters with a downstream-facing port |
| 05/15/1979 | US4154087 Microrheoscopic detector for gases |
| 05/08/1979 | US4152934 Vector measuring current meter |
| 05/08/1979 | US4152933 Wind monitoring assembly and method |
| 04/24/1979 | US4151413 Method of measuring horizontal fluid flow behind casing in subsurface formations with sequential logging for interfering isotope compensation and increased measurement accuracy |
| 04/10/1979 | US4148585 Three dimensional laser Doppler velocimeter |
| 04/03/1979 | US4147058 Electromagnetic fluid flowmeter operable with free fluid surface |
| 04/03/1979 | US4147057 Wind component anemometer |
| 04/03/1979 | CA1051683A1 Diaphragm pressure fluctuation sensor |
| 03/27/1979 | US4145925 Digital liquid velocity measuring system |
| 03/27/1979 | US4145924 Method and apparatus for measuring the flow speed and the gas volume proportion of a liquid metal stream |
| 03/27/1979 | US4145922 Thermal power measurement apparatus |
| 03/27/1979 | US4145921 Vorticity probe utilizing strain measurements |
| 03/27/1979 | CA1051223A1 Fluid flow measuring device |
| 03/20/1979 | US4144756 Electromagnetic measurement of quantities in connection with electrically conducting liquid material |
| 03/20/1979 | US4144753 Circuit arrangement for determining physical parameters of flowing media by the ultrasonic method |
| 03/13/1979 | US4143548 Measuring the speed of an aircraft |
| 03/06/1979 | US4142412 Doppler flow meter and method |
| 03/06/1979 | CA1050153A1 Fluid flow measurement apparatus |
| 03/06/1979 | CA1050152A1 Fluid current meter |
| 02/27/1979 | CA1049286A1 Apparatus for indicating ice accretion |
| 02/06/1979 | US4137766 Integral field magnetic flowmeter |
| 02/06/1979 | US4137765 Electromagnetic fluid flowmeter insensitive to flow velocity distribution |
| 01/23/1979 | US4135396 Temperature compensating fluid velocity sensing apparatus |
| 01/16/1979 | US4134295 Fluid flow force and direction transducer system |
| 12/26/1978 | US4131013 Ionic air speed indicator |
| 12/12/1978 | CA1044037A1 Calorimetric flow monitor |
| 11/28/1978 | US4127842 Apparatus for the measurement of flowing media according to the ultrasonic doppler method |
| 11/28/1978 | US4127029 The mass flow or speed of a gas in a pipe |
| 11/21/1978 | CA1042782A1 Well flow sensing apparatus |
| 11/14/1978 | US4125778 Apparatus for laser anemometry |
| 11/07/1978 | US4123940 Transmission system for vortex-shedding flowmeter |
| 10/31/1978 | US4122722 Anemometer compensator linearizer |
| 10/31/1978 | US4122713 Liquid velocity measuring system |
| 10/31/1978 | US4122711 Drag force knotmeter |
| 10/24/1978 | US4121456 Meter for the flow rate or the speed of a gas stream |