ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,933, issued on May 13, was assigned to SNC CORPORATION CO., LTD. (Incheon, South Korea).

"Connector for piping" was invented by Yuk Nam Choi (Bucheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A connector is provided for piping which may prevent a cap nut part from being automatically loosened or locked due to external force, such as an external vibration, a bump, or a shock, that i not deliberately applied, before a connector product is used, and in addition, may prevent an O-ring from being separated from the inside of the connector due to pressing caused by erroneous assembly in a pipe fastening process. To this end, the conne...