ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,941, issued on April 14, was assigned to Paradigm Flow Services Ltd. (Aberdeenshire, Great Britain).

"Clean head, system and method for use in cleaning a fluid conduit" was invented by Hugh MacKenzie (Aberdeenshire, Great Britain) and Ashley Thomson (Aberdeenshire, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning head for a cleaning system for use in cleaning a fluid conduit for transporting hydrocarbons and/or a fluid conduit in a hydrocarbon wellbore, comprises a body defining an outer surface having a cross-section which is configured to match, or be comparable to, a cross-section of an inner surface of the fluid conduit. ...