ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,575, issued on Feb. 3, was assigned to Yantai Jereh Petroleum Equipment & Technologies Co. Ltd. (Yantai, China).

"Hydraulic fracturing system for driving a plunger pump with a turbine engine and noise reduction thereof" was invented by Xincheng Li (Shandong, China), Rikui Zhang (Shandong, China), Sheng Chang (Shandong, China), Xiaolei Ji (Shandong, China), Chunqiang Lan (Shandong, China), Yipeng Wu (Shandong, China), Xiance Li (Shandong, China) and Peng Zhang (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a soundproof cabin of a turbine engine. The soundproof cabin is sleeved on the turbine engine. The...