US Patent Issued to Yunxuan Wu on March 17 for "Golf-type gas lift ball, gas lift oil recovery device, control system, and control method" (Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,860, issued on March 17, was assigned to Yunxuan Wu (Chengdu, China).

"Golf-type gas lift ball, gas lift oil recovery device, control system, and control method" was invented by Zheng Wu (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A golf-type gas lift ball gas lift oil production device includes a golf-type gas lift ball, a ball retracting and pitching device and a multistage start-up device. A control system and a control method are configured to control the golf-type gas lift ball gas lift oil production device and link the golf-type gas lift ball, the ball retracting and pitching device and the multistage start-up device toget...