US Patent Issued to SICHUAN HONGHUA PETROLEUM EQUIPMENT on June 17 for "Crosshead part and crosshead system for drilling pumps and the drilling pumps" (Chinese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,784, issued on June 17, was assigned to SICHUAN HONGHUA PETROLEUM EQUIPMENT Co. LTD (Sichuan, China).

"Crosshead part and crosshead system for drilling pumps and the drilling pumps" was invented by Fangfang Zhang (Sichuan, China), Weili Huang (Sichuan, China), Jian Cheng (Sichuan, China) and Qiong Yang (Sichuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crosshead part for drilling pumps includes an upper guide plate, a lower guide plate and a crosshead, wherein the crosshead reciprocates in a straight line between the upper guide plate and the lower guide plate; at least one of the upper and lower guide plates has an oil inlet for intro...