ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,523, issued on Nov. 11, was assigned to GE Avio S.r.l. (Rivalta di Torino, Italy).

"Coating for a tribological surface of a component" was invented by Lucia Azzini (Turin, Italy), Fabio De Bellis (Turin, Italy) and Andrea Piazza (Turin, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A component includes a metallic substrate having a tribological surface and a coating. The coating includes a first layer disposed on the tribological surface and a second layer disposed on the first layer. The first layer includes titanium, chromium, or a diamond-like carbon (DLC). The second layer includes a disulfide."

The patent was filed on Sept. 29, 2021, un...