ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,391, issued on July 8, was assigned to Amazon Technologies Inc. (Seattle).

"Systems and methods for unloading shuttles and loading totes using linear actuators" was invented by Vinodhkumar Somavar Muniappan (Redmond, Wash.), Sudhakar Teegavarapu (Hopkinton, Mass.), Ganesh Krishnamoorthy (Seattle) and Zechariah Ives (Auburn, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are disclosed for a shuttle sortation system having linear actuators for unloading items from shuttles and deposing the items into totes. For example, an item shuttle may transport items in an item holder which may contain an item and that is removable from a...