ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,950, issued on March 25, was assigned to GD Energy Products LLC (Tulsa, Okla.).

"Open channel plunger for fracking pumps" was invented by Adam Bradley Avey (Tulsa, Okla.) and James Robert Yanus (Tulsa, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-weight reciprocating element is disclosed. The reciprocating element may include a body defining a cavity, the body having a closed distal end and an open proximal end opposite the closed distal end, wherein the body is configured to apply a pressure to a working fluid. The cavity extends from the open proximal end towards the closed distal end. The reciprocating element may include an inse...