ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,403, issued on Feb. 10, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Flow path switching device" was invented by Sungbae Song (Seoul, South Korea), Junho Min (Seoul, South Korea) and Moonkee Chung (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flow path switching device includes a case including a first nozzle, a second nozzle, a plurality of inner outflow pipes, a plurality of inner inflow pipes, and a flow path connection portion in which a space is formed to connect the plurality of inner outflow pipes with the first nozzle or to connect the plurality of inner inflow pipes with the second nozzle; a valve which ...