ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,304, issued on May 26, was assigned to Amazon Technologies Inc. (Seattle).
"Active and passive electromagnetic switching for sortation shuttles along a track" was invented by Michael D. Assadi (Seattle), Zechariah Ives (Auburn, Wash.), Sudhakar Teegavarapu (Hopkinton, Mass.), Eahab El Naga (San Francisco), Jeffrey Nelson (Seattle) and Timothy Ong (Redmond, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are disclosed for active and passive electromagnetic switching for sortation shuttles along a track. An example system for active and passive electromagnetic switching for sortation shuttles may include a track having a first ...