ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,506, issued on May 12, was assigned to Amazon Technologies Inc. (Seattle).

"Procedures for docking with stations by aerial vehicles" was invented by Hsiao-Chieh Yen (Taipei City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A procedure for docking an aerial vehicle at a docking station includes multiple phases. In a first phase, the aerial vehicle begins a descent at a position over a prior position of the docking station, and monitors a pose using navigation sensors and images captured from below the aerial vehicle. The docking station includes visual markings in a pattern. The aerial vehicle detects the markings within the images, and dete...