ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,737, issued on March 25, was assigned to Harbin Normal University (Harbin, China).

"Ecological slope anti-corrosion timber pile, and treatment device and treatment method therefor" was invented by Hanxi Wang (Harbin, China), Shuying Zang (Harbin, China) and Hongjun Zhang (Harbin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an ecological slope anti-corrosion timber pile and a treatment device and method therefor, belonging to the field of ecological engineering. The device includes a gasification furnace, and first, second and third carbonization chambers, each internally provided with a main gas pipeline, and multiple rows of ...