ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,400,443, issued on Aug. 26, was assigned to California Institute of Technology (Pasadena, Calif.).

"Unmanned aerial system (UAS) autonomous terrain mapping and landing site detection" was invented by Roland Brockers (Pasadena, Calif.), Pedro Duarte Lopes Mascarenhas Proenca (Pasadena, Calif.), Pascal Schoppmann (Pasadena, Calif.), Matthias Domnik (Pasadena, Calif.) and Jeff H. Delaune (Pasadena, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, system, and apparatus for an unmanned aerial vehicle (UAV) to autonomously reconstruct overflown terrain and detect safe landing sites. A UAV autonomously acquires on-board pose estimates from an on...