| 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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| 10/26/1999 | US5970790 Method and device for measuring flows of fluids, based on temperature-differences between two heat-conducting bodies, one of which contains the fluid-flow |
| 10/23/1999 | CA2269299A1 Optical device |
| 10/13/1999 | EP0948931A2 Ultrasound imaging using coded excitation on transmit and selective filtering on receive |
| 10/13/1999 | EP0948929A2 Method for calculating wave velocities in blood vessels |
| 10/13/1999 | EP0775316B1 Method of mounting a sensor arrangement for a hot-film anemometer |
| 10/13/1999 | CN1231725A 改进了的流量计 Improved flowmeter |
| 10/13/1999 | CN1045661C Turbine medium flow rate testing method and device thereof |
| 10/12/1999 | US5965811 Flow rate detecting element and flow rate sensor using same |
| 10/07/1999 | WO1999050675A1 Method and device for chronologically measuring ocean current velocity vertical profiles |
| 10/06/1999 | EP0947834A2 Detection of air flow speed and flow direction |
| 10/06/1999 | EP0947826A2 Technique for investigating gases |
| 10/06/1999 | EP0947809A2 Method and apparatus for measuring gas velocity or other flow characteristic |
| 10/06/1999 | EP0918995A4 Confocal bidirectional laser doppler velocimetry |
| 10/05/1999 | US5963292 Thermal tuft fluid flow investigation apparatus with a color alterable thermally responsive liquid crystal layer |
| 09/30/1999 | WO1999035519A3 Modulated filtered rayleigh scattering |
| 09/30/1999 | DE19912089A1 Color Doppler flow imaging device for blood flow |
| 09/30/1999 | DE19901543A1 Measuring element with strain gauge measurement bridge for volumetric flow measurement in homogeneous liquids and gases |
| 09/30/1999 | DE19813975A1 Determining rheological characteristic value of liquid flowing in pipe |
| 09/28/1999 | US5959217 Fluid flow measuring device as a microphone and system comprising such a microphone |
| 09/28/1999 | US5957138 Method and apparatus for three-dimensional flow lumen imaging |
| 09/23/1999 | DE19812289A1 Device for monitoring flowing medium using UV light |
| 09/23/1999 | DE19810752A1 Verfahren und Vorrichtung zum Feststellen des Fließens einer Flüssigkeit, insbesondere in einem wasserführenden Leitungssystem Method and apparatus for detecting the flow of a liquid, in particular in a water-carrying pipe system |
| 09/22/1999 | EP0943900A1 Medium flow meter |
| 09/15/1999 | EP0942263A2 Method and device for detecting the presence of flow of a fluid, in particular in a water supply pipe system |
| 09/14/1999 | US5952583 Method of measuring a river horizontal average flow velocity |
| 09/14/1999 | US5952571 Thermal type flow meter |
| 09/10/1999 | WO1999045344A1 Measurement apparatus for measuring fluid flow |
| 09/10/1999 | WO1999034221A3 Device and method for measuring fluid velocity by determining the time-of-flight of heat pulses |
| 09/08/1999 | EP0737315B1 Single sided backbone strut for air data sensor |
| 09/07/1999 | US5948995 Cross correlation fluid flow meter |
| 09/07/1999 | US5947903 Method to estimate planar flow from Doppler velocity distribution in an observation plane |
| 09/01/1999 | CN1227630A Method and device for measuring the rate of flow of a flowing fluid |
| 08/31/1999 | US5946642 Air data measurement system with circuit for linearizing pressure transducer output |
| 08/31/1999 | US5945608 Hall effect fluid flow switch and flow meter |
| 08/26/1999 | DE19805328A1 System for spatially resolving measurement of flow speeds of continuous medium |
| 08/25/1999 | EP0937966A2 Thermal air flow sensor |
| 08/25/1999 | EP0651885B1 Aerodynamically shaped probe |
| 08/25/1999 | CN2335145Y 流速传感仪 Velocity sensing instrument |
| 08/17/1999 | US5939645 Vane anemometer having a modular impeller assembly |
| 08/12/1999 | WO1999040410A1 System and device for determining particle characteristics |
| 08/12/1999 | DE19806316A1 Flow velocity sensor for sewage channel |
| 08/12/1999 | DE19803379A1 Flexible probe for detecting flow of multiphase fluid |
| 08/10/1999 | US5936157 Thermosensitive flow rate detecting element and flow rate sensor using same |
| 08/04/1999 | EP0932831A1 Heated air data probe |
| 08/03/1999 | US5932814 Photo detector bending beam flow switch and flow meter |
| 07/28/1999 | EP0932027A1 Offset correcting circuit for encoder |
| 07/28/1999 | EP0931508A1 Process and echograph for the determination of the viscosity and pressure gradient in a blood vessel |
| 07/28/1999 | EP0719416B1 Integral airfoil total temperature sensor |
| 07/28/1999 | CA2228187A1 Improved method and apparatus for measuring water flow velocities utilizing acoustic apertures |
| 07/27/1999 | US5929637 Flow velocity calculating method in magnetic resonance imaging apparatus |
| 07/27/1999 | US5929342 Method for monitoring three phrase fluid flow in tubulars |
| 07/27/1999 | US5929331 Multi-directional, three component velocity measurement pressure probe |
| 07/22/1999 | WO1999036762A1 Method and means for measuring velocity and concentration of particles in a fluidized bed |
| 07/22/1999 | DE19838647A1 Heat sensitive flow measuring element with improved reaction property |
| 07/21/1999 | EP0930506A1 Calibration method for laser sheet velocimetry |
| 07/21/1999 | EP0897115A4 Flow velocity measuring unit |
| 07/20/1999 | US5926276 Apparatus having an afocal lens system used in optical measurement of displacement |
| 07/15/1999 | WO1999035519A2 Modulated filtered rayleigh scattering |
| 07/15/1999 | DE19800996A1 Wind speed measurement instrument for assessing profitability of wind generator site |
| 07/08/1999 | WO1999034222A1 A blade-mounted total pressure probe for a rotating blade |
| 07/08/1999 | WO1999034221A2 Device and method for measuring fluid velocity by determining the time-of-flight of heat pulses |
| 07/08/1999 | CA2316216A1 A blade-mounted total pressure probe for a rotating blade |
| 07/01/1999 | WO1999032963A1 Air data sensor apparatus and method |
| 06/30/1999 | CN1221487A Method for measuring sound signal propagation delay in fluid by zero-crossing of the said sound signal |
| 06/29/1999 | US5918281 Personal speedometer |
| 06/29/1999 | US5918276 Wind speed monitoring system |
| 06/29/1999 | US5917417 Method of detecting the content of impurity in a gaseous medium |
| 06/22/1999 | US5913911 Method and apparatus for concentrating signals |
| 06/16/1999 | EP0922938A1 Outlet measurement device |
| 06/16/1999 | EP0856145A4 Digital speed determination in ultrasonic flow measurements |
| 06/08/1999 | US5910839 White light velocity interferometer |
| 06/02/1999 | EP0918995A1 Confocal bidirectional laser doppler velocimetry |
| 06/02/1999 | DE19845297A1 Spectral broadening error estimation method for duplex ultrasound imaging device |
| 06/02/1999 | CN2322146Y Flow speed measurer |
| 05/26/1999 | CN2321006Y Wind-speed and- direction automatic collector |
| 05/25/1999 | CA2197935C Ultrasonic continuous wave doppler blood flow-meter |
| 05/20/1999 | WO1999024792A1 Optical flowmeter |
| 05/19/1999 | EP0712522B1 Smoke detection system |
| 05/18/1999 | US5905568 Stereo imaging velocimetry |
| 05/06/1999 | WO1999022246A1 Method and apparatus for on-line monitoring the temperature and velocity of thermally sprayed particles |
| 05/06/1999 | WO1999022245A1 Device for measuring fluid velocity and for measuring stream of solid or liquid particles in fluids or in a vacuum |
| 05/06/1999 | WO1998041876A9 System for detecting fluorescing components in aerosols |
| 05/06/1999 | EP0776490A4 Phased array acoustic antenna system |
| 05/06/1999 | DE19718917C1 Movement parameter recording device for surfing |
| 05/05/1999 | CN1215833A Sensor with diaphragm |
| 05/04/1999 | US5901272 Neural network based helicopter low airspeed indicator |
| 05/04/1999 | US5900928 For measuring the velocity of blood flowing within a blood vessel of an eye |
| 04/21/1999 | EP0909395A2 Apparatus and method for determining movements and velocities of moving objects |
| 04/21/1999 | EP0909373A1 Method and device for measuring the rate of flow of a flowing fluid |
| 04/15/1999 | DE19846655A1 Method for directing gunfire |
| 04/15/1999 | DE19745121A1 Measurement of particle recirculation |
| 04/14/1999 | EP0907876A1 Differential hot wire air gauge |
| 04/14/1999 | CN2314373Y Flue flow-rate sensor |
| 04/13/1999 | US5894087 Speed sensor for watercraft |
| 04/08/1999 | DE19749233C1 Measuring dia. of particle moving through measurement vol. |
| 04/07/1999 | EP0907069A2 System for measuring the speed of fluid |
| 04/06/1999 | US5892602 Mobility measurement using conoscopic holography |
| 04/06/1999 | US5892149 Heat transfer monitoring and/or measuring device |
| 04/01/1999 | DE19803197A1 Thermosensitive flow meter |
| 03/31/1999 | EP0904509A1 Method and device for controlling liquid fluxes in pipe lines |