ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,180, issued on June 17, was assigned to DEFINOX SAS (Clisson, France).

"Retractable cleaning nozzle" was invented by Sebastien Fontenit (La Gaubretiere, France), Thierry Picot (Vallet, France) and Mathieu Bachelier (Saint-Lumine-de-Clisson, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A retractable cleaning nozzle for spray cleaning an interior surface of a pipe or a tank includes a nozzle housing configured to be stationary mounted in a hole of the side wall of the pipe or tank and having a front side arranged to face towards the interior of the pipe or tank and a rear side arranged to face away from the interior of the pipe or tank, an in...