US Patent Issued to Yantai Jereh Oilfield Services Group on July 7 for "Crosshead box and plunger pump" (Chinese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,451, issued on July 7, was assigned to Yantai Jereh Oilfield Services Group Co. Ltd. (Yantai, China).

"Crosshead box and plunger pump" was invented by Junlei Yao (Yantai, China), Feng Wang (Yantai, China), Xiao Ma (Yantai, China) and Cheng Li (Yantai, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a substantially rectangular crosshead box formed by an integral forming process and provided with a front end surface, a rear end surface, an upper end surface, a lower end surface, and a side end surface. The crosshead box is provided with: a plurality of crosshead cavities, each extending in a longitudinal direction...