ALEXANDRIA, Va., June 19 -- United States Patent no. 12,336,081, issued on June 17, was assigned to YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES Co. LTD. (Yantai, China).

"Fracturing well site system" was invented by Kaishen Liu (Yantai, China), Shouzhe Li (Yantai, China) and Zhuqing Mao (Yantai, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fracturing well site system includes an electric-driven apparatus, a fuel-driven apparatus, an electric-power supply apparatus and a grounding system. The grounding system includes a first grounding terminal which is spaced from each of the electric-driven apparatus, the fuel-driven apparatus and the electric-power supply apparatus by a preset distance. The f...