ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,273, issued on July 15, was assigned to E-SCOPICS (Aix-en-Provence, France).

"Apparatus and method for estimating a velocity of at least one scatterer in a medium" was invented by Adrien Besson (Marseilles, France) and Frederic Wintzenrieth (Aix-en-Provence, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for estimating a velocity of at least one scatterer in a medium, the apparatus including a curved array of virtual transducers (T1-Tn) for emitting Archimedean spiral waves in a plurality of predetermined directions of propagation defined by a set of insonification angles, and for receiving, from the at least one scatterer, scatt...