US Patent Issued to Guangzhou JST Seals Technology on July 8 for "Combined sealing member for coiled tubing blowout preventer box" (Chinese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,125, issued on July 8, was assigned to Guangzhou JST Seals Technology Co. Ltd. (Guangzhou, China).

"Combined sealing member for coiled tubing blowout preventer box" was invented by Guangming Huang (Guangdong, China), Jialiang Wang (Guangdong, China) and Houning Li (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combined sealing member for a coiled tubing blowout preventer box includes an upper plate, a first main sealing body, a second main sealing body and a lower plate that are disposed in sequence from top to bottom and are each provided with a through hole allowing a coiled tubing to pass therethrough. The upper plate is compos...