ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,934, issued on May 26, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Torque control with a slip device for pressure testing a hydraulic fracturing system" was invented by David J Schuh (Peoria, Ill.), Jared M Kirk (Peoria, Ill.), Karuna Kumari Vutukuru (San Jose, Calif.), Rodney Dale Harms (Houston), Todd Ryan Kabrich (Tombell, Texas), Yuesheng He (Sugar Land, Texas), Catrina Elizabeth Swan (Peoria, Ill.), Raghunandan Madhava (Dunlap, Ill.) and Kevin Schmidt (Washington, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic fracturing pump system may include a hydraulic fracturing pump, a gaseous fuel engine configured to drive the hydr...