ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,563, issued on March 11, was assigned to Halliburton Energy Services Inc. (Houston).

"Flexible manifold for reciprocating pump" was invented by Joseph A. Beisel (Duncan, Okla.), Justin Lee Hurst (Duncan, Okla.), Dick C. Headrick (Duncan, Okla.) and James Alan Olis (Duncan, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pump comprising a bore pump fluid end having a reciprocating element bore, a discharge valve assembly comprising a discharge valve seat and a discharge valve body, and a suction valve assembly comprising a suction valve seat and a suction valve body; a hollow, cylindrical reciprocating element; a hollow reciprocating element ...