ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,733, issued on Feb. 18, was assigned to ZHEJIANG LANJING TECHNOLOGY Co. LTD. (Taizhou, China).

"Electronic consignment note management system for marine plastic debris based on blockchain technology" was invented by Guanghui Chen (Taizhou, China), Yahong Chen (Taizhou, China), Yifan Zhou (Taizhou, China), Wei He (Taizhou, China) and Min Fang (Taizhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic consignment note management system for marine plastic debris based on blockchain technology, which belongs to the field of marine plastic debris management, and comprises a cloud management platform deployed at the central node of the b...