ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,291, issued on Oct. 14, was assigned to Institute of Geology and Geophysics, Chinese Academy of Sciences (Beijing).

"Method of encoding and decoding downlink instructions based on mud flow rate" was invented by Yuliang Wang (Beijing), Wenxiu Zhang (Beijing), Qihui Zhen (Beijing), Jiansheng Du (Beijing), Jing Ou (Beijing), Xinzhen He (Beijing), Jiwen Xiao (Beijing) and Hui Wu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of encoding and decoding downlink instructions based on mud flow rate includes an encoding method and a decoding method. The encoding method and the decoding method are configured to transmit and receive instructio...