ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,071, issued on Feb. 17, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Cleaner system" was invented by Daeho Chang (Seoul, South Korea), Ingyu Yang (Seoul, South Korea) and Donggeun Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaner system includes a cleaner and a cleaner station that performs a method for removing residual dust. The cleaner station is configured to suction dust stored in the cleaner. Residual dust in the cleaner station after suctioning dust in a dust bin of the cleaner is suctioned through a bypass hole that penetrates an outside and an inside of a suction tube."
The patent was filed on A...