ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,500, issued on July 29, was assigned to W. L. Gore & Associates Inc. (Newark, Del.).

"Systems and methods for fuel tank draining and polishing" was invented by Daniel Lash (Newark, Del.), William Napier (Newark, Del.), Stephen Brouse (Newark, Del.) and Kevin Cresswell (Newark, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are systems and methods for liquid phase separation for fuel tanks and other vessels. Particularly, aspects of the present disclosure are directed to a backpressure regulator configured to open when pressure of a mixture upstream of the backpressure regulator exceeds a predetermined setpoint and a hydrophobic...