ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,795, issued on Aug. 25, was assigned to KYUNGDONG NAVIEN Co. LTD. (Gyeonggi-do, South Korea).
"Soft-water system" was invented by Soo Young Lee (Seoul, South Korea), Tae Seong Kwon (Seoul, South Korea) and Seung Kil Son (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a soft-water system which connects to a main channel for supplying raw water to a place of consumption, removes at least a part of an ionic material contained in the raw water supplied through the main channel, and supplies soft water containing less ionic material than the raw water to the place of consumption. The soft-water system includes: a filter por...