ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,691, issued on March 4, was assigned to ECUBE LABS Co. LTD. (Seoul, South Korea).

"Waste collection vehicle for unmanned self collection of dumpster and method for automatically aligning waste collection vehicle" was invented by Sun Beom Gwon (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A waste collection vehicle for unmanned self-collection of a dumpster includes a recognition unit configured to recognize the dumpster and a plurality of dumpster holes provided on both sides of the dumpster within a set distance from the dumpster, a steering unit configured to identify outlines of the dumpster and then control a traveling direc...