ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,514, issued on July 7, was assigned to North Atlantic Imports LLC (Providence, Utah).
"Valve structure for propane tank and method thereof" was invented by Gary E. Graham (Hyde Park, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of a propane tank valve are provided. In one embodiment, the propane tank valve includes a plug with a tapered portion, the plug moveable between closed and open positions relative to a valve passageway. Upon the plug being in the closed position, the tapered portion of the plug is positioned within the valve passageway. Upon the plug being initially moved from the closed position to the open position, the t...