ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,555, issued on March 24, was assigned to A.W. CHESTERTON COMPANY (Groveland, Mass.).
"Anti-rotational cap seal" was invented by Pierre Aouni Alfons Al-Darra (Eching, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A seal having a gland having a gland grove and a sealing assembly for seating in the gland groove. The sealing assembly includes an energizer element and a cap element. The energizer element has outwardly extending first surface features formed on each side portion that are sized and configured for contacting the side walls of the gland groove when the energizer element is seated therein. The top portion of the energizer element ha...