ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,689, issued on Dec. 9, was assigned to Liberty Advanced Equipment Technologies LLC (Denver).
"Frac pump system" was invented by Chris Buckley (Montgomery, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric drive pump system includes a power end and a detachable transmission assembly. The transmission assembly is mounted to the power end and is configured to provide rotational power to the power end through a plurality of electric motors. The plurality of electric motors use a gearbox to drive an output spline that engages the power end. A control module is used to regulate the performance characteristics of the plurality of electric mot...