ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,364, issued on May 6, was assigned to AVE SCIENCE & TECHNOLOGY Co. LTD. (Changsha, China).

"Enricher, enrichment system, sample manufacturing system, and sample detection system" was invented by Jianwen Ding (Changsha, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An enricher, an enrichment system, a sample manufacturing system, and a sample detection system. The enricher comprises an enrichment housing, which encloses to form an enrichment cavity used for accommodating a suction liquid; a suction connection part, which is used to place a suction mechanism in communication with the enrichment cavity so that the enrichment cavity forms negativ...