ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,746, issued on Oct. 21, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing) and BEIJING SHUNZAO TECHNOLOGY Co. LTD. (Beijing).

"Bendable joint, cleaner connecting pipe, and cleaner" was invented by Tiantian Zhang (Beijing), Cheng Tang (Beijing) and Fei Duan (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bendable joint includes a first articulation pipe, a second articulation pipe, and a lock. The first articulation pipe includes a first articulation portion at one end. The second articulation pipe includes a second articulation portion at one end. The first articulation portion is articulated with the second articulation por...