ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,015, issued on July 22, was assigned to STONEAGE INC. (Durango, Colo.).

"Reaction force nozzle" was invented by Terry D. Gromes Sr. (Navarre, Ohio), Gary L. Manack Jr. (Navarre, Ohio) and Kristen E. Griffin (Navarre, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nozzle for water jet equipment and a method of use thereof. The nozzle has a body including a base with a shaft extending outwardly therefrom. The shaft is inserted through a bore of a sleeve that rotatable about the shaft. The base and shaft define a bore therein. At least one opening is defined in the shaft and one or more grooves are milled into the shaft's exterior surface. Each ...