ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,439, issued on March 4, was assigned to Mahle International GmbH (Germany).

"Fuel filter" was invented by Michael Braunheim (Goeppingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel filter element, which may be selectively arranged in a filter housing and may separate in the filter housing an untreated space communicating with an inlet and a return line of the housing from a treated space communicating with an outlet of the housing, may include at least one end disk, and at least one closure element, which in an operationally ready state of the fuel filter may close off the return line. The closure element may protrude eccentrically...