ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,826, issued on Sept. 23, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Sealing device" was invented by David Merlau (Rosharon, Texas), Gareth Yen Ket Chin (Rosharon, Texas), Brian John Bethscheider (Rosharon, Texas) and Marius Smarandache (Rosharon, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing device for sealing an interface between a first surface and a second surface includes a primary sealing element for forming a primary seal at the interface and a carrier body that is slidable with respect to the interface to engage the primary sealing element. A carrier sealing element is positioned on the carrier body,...