ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,592, issued on Oct. 6, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Vacuum cleaner system notifying state of dust collection part and operating method of vacuum cleaner system" was invented by Jeonghee Cho (Suwon-si, South Korea), Sanghyuk Park (Suwon-si, South Korea), Seongu Lee (Suwon-si, South Korea), Jihye Seo (Suwon-si, South Korea) and Kiyong Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum cleaner system is provided. The vacuum cleaner includes a wireless vacuum cleaner for discharging dust to a station device, wherein the wireless vacuum cleaner is configured to, when performing a du...