ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,075, issued on March 18, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Robot cleaner" was invented by Jaemin Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a robot cleaner, and more particularly, to a robot cleaner that replaces a battery charged in a charging base and a discharged battery of the cleaning robot simply by using power of a cleaning robot of the robot cleaner. According to the present disclosure, the cleaning robot of the robot cleaner may include at least two driving wheels, and the charging base may include a replacement unit mechanically connected to one of the ...