ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,667, issued on March 24.
"Storage tank isolation system" was invented by Jeff Ray Schunk (Mason, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A storage tank hatch isolation system for a storage tank having a vertical riser attached to a top of the storage tank and having a cover with an aperture, a connecting member extending from a side of the vertical riser, a distal end of the connecting member being attached to a tank hatch, and a valve assembly assessable through the aperture in the cover, the valve assembly configured to be moved from an open position in which flow through the vertical riser to the connecting member is not obstructed,...