US Patent Issued to Jiangsu Sea-Lion Machinery on April 22 for "Circulating-type mattress cleaning machine" (Chinese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,405, issued on April 22, was assigned to Jiangsu Sea-Lion Machinery Co. Ltd. (Zhangjiagang, China).

"Circulating-type mattress cleaning machine" was invented by Hong Chen (Zhangjiagang, China), Shengang Cai (Zhangjiagang, China), Yexin Li (Zhangjiagang, China), Lunan Wang (Zhangjiagang, China) and Fei Huang (Zhangjiagang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circulating-type mattress cleaning machine, including a rack; a horizontal barrel, an inner container frame and a circulating pipeline. A cylindrical cavity is formed inside the horizontal barrel. The inner container frame rotatably mounted inside the cylindrical cavity around a...