ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,185, issued on April 22, was assigned to QIANGGU BIOTECH (SHANGHAI) Co. LTD. (Shanghai).
"Plasma generation device" was invented by Shijun Zhang (Shanghai) and Xiaohui Yu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plasma generation device relates to the field of environmental disinfection. The plasma generation device includes a frame, a discharge needle, and plasma generating barrels. The plasma generating barrels form an array in the frame, without an inter-barrel gap. The discharge needle is provided on a geometric centerline in each of the plasma generating barrels. A distance from a discharge endpoint of the discharge needle to a...