ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,518, issued on Feb. 17, was assigned to Microflex Technologies Inc. (Orange, Calif.).
"Ring seal with trough" was invented by Gregory Doyle (Villa Park, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ring seal includes an annular body defining an axial hole therethrough for fluid passage in an axial direction and having a radial plane that is perpendicular to the axial direction. An axial side of the ring seal includes deformable annular protrusions extending from the annular body in an axial direction to first and second apexes, which are configured to deform upon engagement with a first planar sealing surface and define a trough therebetw...