ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,208, issued on May 13, was assigned to Institute of Geology and Geophysics, Chinese Academy of Sciences (Beijing).

"Device for preparing rock speciments with different moisture contents" was invented by Hang Bian (Beijing), Zhaobin Zhang (Beijing), Shouding Li (Beijing), Xiao Li (Beijing), Jianming He (Beijing), Bo Zheng (Beijing), Tianqiao Mao (Beijing), Guanfang Li (Beijing) and Peng Guo (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application disclose a device for preparing rock samples with different moisture contents, which comprises a sample container, wherein two ends of the rock sample are respectively connected with a...