ALEXANDRIA, Va., May 12 -- United States Patent no. 12,622,462, issued on May 12, was assigned to SHENZHEN SMOORE TECHNOLOGY Ltd. (Shenzhen, China).

"Composite liquid guide cotton, heating assembly, vaporizer, and electronic vaporization device" was invented by Junfeng Liao (Shenzhen, China), Zhanggui Lan (Shenzhen, China), Zhihua Wen (Shenzhen, China) and Zhong Luo (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composite liquid guide cotton for a vaporizer includes: at least one heat resistant layer, at least one first isolation layer, at least one rapid liquid guide layer, and at least one second isolation layer that are stacked in sequence. The heat resistant layer contacts a heating bo...