ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,692, issued on April 8, was assigned to Flow-Lit Ltd. (Rehovot, Israel).
"Optical fluid flow velocity measurement" was invented by Abraham Englander (Rehovot, Israel) and Tuvia Segal (Haifa, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of fluid flow velocity measurement includes emitting a beam from a light source via a first window into a pipe through which a fluid flows, the beam illuminating the fluid flowing in the pipe, using a light detector array, which is coupled via a second window to the pipe and which is outside a field of view of the light detector, to detect light caused by scattering of the beam with particles found i...