| 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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| 09/03/1981 | WO1981002484A1 Leak detection apparatus |
| 09/01/1981 | US4286463 Air sock |
| 09/01/1981 | US4286462 Acoustic detection of wind speed and direction at various altitudes |
| 08/25/1981 | US4285247 Flow measuring device |
| 08/18/1981 | US4284351 Processing of digital signals |
| 08/18/1981 | US4283944 Apparatus for measuring the mass of a fluid medium |
| 08/11/1981 | CA1106947A1 Focussed doppler radar |
| 08/04/1981 | US4281552 Electromagnetic flowmeter |
| 07/28/1981 | US4281383 Process and system for the rapid detection of a wind gradient |
| 07/28/1981 | CA1106080A1 No translation available |
| 07/21/1981 | US4279147 Directional heat loss anemometer transducer |
| 07/21/1981 | CA1105605A1 Acoustical wave flowmeter |
| 07/09/1981 | WO1981001878A1 Vortex generating device |
| 07/09/1981 | WO1981001877A1 Karman vortex current meter |
| 07/08/1981 | EP0031744A2 Method and apparatus for determining the flowing properties of a fluid |
| 07/01/1981 | EP0031102A2 An ultrasonic flow meter |
| 06/30/1981 | US4275603 Indirectly heated aircraft probes and masts |
| 06/30/1981 | CA1104245A1 Doppler acoustic wind sensor |
| 06/30/1981 | CA1103954A1 Flow meter |
| 06/16/1981 | CA1103057A1 Air velocity gauge |
| 06/09/1981 | US4271700 Pitot tube assembly |
| 06/02/1981 | US4270391 Frequency-responsive filter for flowmeter transmission system |
| 06/02/1981 | CA1102442A1 Ultrasonic flowmeter |
| 05/28/1981 | WO1981001461A1 Multiple sensing device and sensing devices therefor |
| 05/26/1981 | US4269157 Fuel injection system |
| 05/12/1981 | CA1100781A1 Directional heat loss anemometer transducer |
| 05/06/1981 | EP0028027A1 Apparatus for measuring the speed of flow of flowable media |
| 05/05/1981 | US4265126 Measurement of true blood velocity by an ultrasound system |
| 05/05/1981 | US4265125 Flowmeter method and apparatus |
| 04/22/1981 | EP0027392A1 Gas velocity measurement sensor |
| 04/21/1981 | US4263002 Differential doppler technique for on-axis backscatter measurements |
| 04/21/1981 | US4262545 Acoustic fluid velocity measuring system |
| 04/14/1981 | US4261201 Wind chill indicator |
| 04/14/1981 | CA1099384A1 Circuit arrangement for determining physical parameters of flowing media by the ultrasonic method |
| 04/14/1981 | CA1099383A1 Apparatus for ultrasonically measuring physical parameters of flowing media |
| 04/07/1981 | CA1099033A1 Method of measuring horizontal fluid flow behind casing with sequential logging |
| 03/31/1981 | US4258568 Water current meter |
| 03/24/1981 | US4257277 Flow measuring device |
| 03/24/1981 | US4257275 Velocity detecting apparatus |
| 03/17/1981 | US4255976 Apparatus and method for measuring the velocity of a moving dielectric material |
| 03/17/1981 | CA1097789A1 Apparatus for ultrasonic measurement |
| 03/10/1981 | US4255048 Direction sensitive laser velocimeter |
| 02/19/1981 | WO1981000462A1 Wind chill indicator |
| 02/17/1981 | US4251733 Technique for simultaneous particle size and velocity measurement |
| 02/17/1981 | US4250746 Aircraft instrument |
| 02/11/1981 | EP0023517A1 A device for metering the angular position of a direction indicator |
| 02/10/1981 | US4249540 Optical somato-measuring apparatus |
| 02/04/1981 | EP0023457A1 Method of measuring fluid velocity by transit time determination of a marking, and mass-flow meter based on this method |
| 02/03/1981 | US4248085 Measurement of relative velocities |
| 02/03/1981 | US4248082 Anemometer |
| 01/28/1981 | EP0022828A1 A method of and apparatus for determining the mass flow rate of a fluid stream. |
| 01/20/1981 | US4245502 Apparatus for measuring the velocity of gases |
| 01/13/1981 | US4245192 Periodicity verification circuit |
| 01/13/1981 | US4244217 Gas flow monitor |
| 01/13/1981 | US4244212 Fluidic pressure ratio sensor |
| 01/13/1981 | CA1093672A1 Ultrasonic air data system |
| 01/07/1981 | EP0021291A1 Flowmeter |
| 01/07/1981 | EP0021048A1 Apparatus for contactless photoeletric measurement of the speed of objects moving in a space |
| 01/07/1981 | EP0020537A1 A device for measuring the flow velocity of fluids. |
| 01/06/1981 | US4244026 Velocity measuring correlation sonar |
| 12/30/1980 | US4242194 Apparatus for spectroscopic measurement of the velocity of particles in a fluid |
| 12/30/1980 | US4241612 Flowmeter |
| 12/30/1980 | US4241604 Nighttime wind direction and speed indicator |
| 12/23/1980 | US4240299 Method and apparatus for determining fluid density and mass flow |
| 12/23/1980 | US4240292 Method for triggering ultrasonic flow meter and ultrasonic flow meter adapted for same |
| 12/23/1980 | US4240291 Flow meter |
| 12/09/1980 | US4237730 Fluid velocity measurement system |
| 12/09/1980 | CA1091296A1 Electromagnetic flow meter |
| 12/02/1980 | US4236406 Method and apparatus for sonic velocity type water cut measurement |
| 11/11/1980 | CA1089302A1 Wind speed and direction indicator |
| 11/04/1980 | US4232224 Nuclear reactor primary coolant loop flowmeter with phase shift tracking compensation |
| 10/21/1980 | US4229725 Wind shear warning system for aircraft |
| 10/14/1980 | CA1087689A1 Four-collector flux sensor |
| 10/01/1980 | EP0016716A1 Log-drift meter |
| 09/30/1980 | US4224827 Device for watching the flowing condition of a gas in a conduit |
| 09/09/1980 | US4221128 Acoustic current meter |
| 09/03/1980 | EP0014793A1 Ultrasound System and method for directional detection of blood velocities |
| 09/02/1980 | US4220950 Air flow sensor |
| 08/19/1980 | US4217909 Directional detection of blood velocities in an ultrasound system |
| 08/19/1980 | US4217774 Apparatus for measuring the value of a fluid variable |
| 07/24/1980 | WO1980001513A1 Fluid flow method and apparatus |
| 07/22/1980 | US4213335 Flow rate meter with temperature dependent resistor |
| 07/15/1980 | CA1081840A1 Thermal power measurement apparatus |
| 07/10/1980 | WO1980001416A1 A device for metering the angular position of a direction indicator |
| 07/01/1980 | CA1080510A1 Airport wind shear monitoring method and apparatus |
| 06/25/1980 | EP0012396A1 Apparatus for the spectroscopic determination of the speed of particles moving in a liquid |
| 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 |
| 06/11/1980 | EP0011912A2 Acoustic detection of wind speed and direction at various altitudes |
| 06/11/1980 | EP0011878A1 Process and apparatus to determine flow speeds, and their application in an ultrasonic diagnosing device |
| 06/10/1980 | US4206999 Method and apparatus for ascertaining the magnitude and direction of the flow speed in a flowing medium |
| 06/10/1980 | US4206642 Flowmeter |
| 06/10/1980 | US4206639 Doppler acoustic wind sensor |
| 06/10/1980 | US4206638 Directional heat loss anemometer transducer |
| 06/10/1980 | US4206637 Marine speedometer |
| 06/10/1980 | CA1079391A1 Acoustic oscillator fluid velocity measuring device |
| 06/03/1980 | US4205552 Electronic speedometer for marine craft |
| 05/20/1980 | CA1077738A1 Monitoring particulate solid flow in a conduit using a temperature sensitive electrical resistance device |
| 05/14/1980 | EP0010974A1 Velocity measuring correlation sonar apparatus |
| 05/06/1980 | US4202034 Adaptive controller for ocean characteristic measurement system |