ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,972, issued on June 23, was assigned to Cespira Canada LP (Vancouver, Canada).

"Apparatus and method for pressure regulation of a gaseous fluid" was invented by Alain Touchette (Vancouver, Canada) and Kory Zeller (Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure regulation system for a gaseous fluid includes a gaseous fluid supply and a hydraulic fluid supply of a hydraulic fluid. A rail injector is in fluid communication with the gaseous fluid supply and the hydraulic fluid supply and is hydraulically actuated with the hydraulic fluid. A gaseous-fluid rail is in fluid communication with the rail injector and in selective ...