An apparatus for use in an industrial process for measuring a velocity of a fluid moving in a pipe includes a probe disposed in said fluid flow. The probe includes a tube and an array of at least two sensors disposed at different axial locations along the tube. Each sensor measures inhomogeneous pressure...http://www.google.com.au/patents/US20080000307?utm_source=gb-gplus-sharePatent US20080000307 - Flow Rate Measurement for Industrial Sensing Applications Using Unsteady Pressures
