ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,596, issued on May 26.
"Waste oil handling apparatus" was invented by Daryl Beckingham (Narol, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waste oil handling apparatus features a tank with draining compartments for receiving waste oil containers in inverted and elevated positions above the tank floor. Multiple drain ports communicate with the tank interior at different elevations relative to the floor for draining accumulated contents of varying density that have gravitationally separated into distinct layers at those elevations. The ports feature adjustable fittings for adjusting the levels from which the layered contents are drawn throu...