ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,392, issued on Nov. 25, was assigned to SPM Oil & Gas Inc. (Fort Worth, Texas).
"Hydraulic drive train for a frac pump" was invented by Jacob A. Bayyouk (Richardson, Texas), Bryan C. Wagner (Aledo, Texas) and Wesley P. Clark (Weatherford, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic drive system is employed to transfer energy generated by a diesel engine to a frac pump. The hydraulic drive system includes a gearbox having a plurality of gears being coupled to and driven to produce rotational movement by the diesel engine, at least one hydraulic pump coupled to at least one gear of the gearbox, and operable to, driven by the rotat...