ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,647, issued on April 22, was assigned to FORUM US INC. (Houston).

"Locking assembly apparatus for pump systems, and related methods" was invented by Heinrich Bartels (Houston), Stephen Patterson (Westhill, Great Britain) and Sohaib Anwer (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the present disclosure relate to locking assembly apparatus for piston apparatus and pony rod apparatus of pump systems (such as mud or frac pump systems), and related methods. In one aspect, the locking assembly is a mechanical locking assembly used to quickly and simply lock and unlock (e.g., release) a piston apparatus to and from a pony rod appara...