ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,268, issued on Aug. 19.
"Oil drain plug system and method" was invented by Joe Mainiero (Lake Worth, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oil drain plug assembly includes a threaded drive nut rotatable to open and close a valve assembly controlling the flow of oil from an oil reservoir, the valve assembly including a valve body with a threaded hollow valve rod extending therethrough, wherein the distal end of the valve assembly is in fluid communication with the oil reservoir, the threads of the hollow valve rod are positioned on the outer surface of the hollow valve rod away from its distal end, and the threaded drive nut is threa...