ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,145, issued on Oct. 14, was assigned to GREE ELECTRIC APPLIANCES INC. OF ZHUHAI (Guangdong, China) and ZHUHAI LEAYUN TECHNOLOGY Co. LTD. (Guangdong, China).

"Damping module allowing for mounting of rotary wheel, and mobile apparatus" was invented by Huanhuan Sun (Zhuhai, China) and Changfeng Liu (Zhuhai, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments of the present disclosed provide a damping module allowing for mounting of a rotary wheel and a mobile apparatus. The damping module includes a bearing member, extending in a horizontal direction and having a left assembly portion and a right assembly portion spaced apart from eac...