US Patent Issued to Federal-Mogul Burscheid on Dec. 23 for "Piston ring having a wear protection layer containing particles, method for production and use" (German Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,074, issued on Dec. 23, was assigned to Federal-Mogul Burscheid GmbH (Burscheid, Germany).

"Piston ring having a wear protection layer containing particles, method for production and use" was invented by Stefan Durdoth (Burscheid, Germany) and Anika Distelrath-Lubeck (Leverkusen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piston ring for internal combustion engines is provided, having a surface comprising a wear protection layer of iron or an iron alloy applied to the surface, wherein the wear protection layer has cracks and the cracks have an average density of 10-160 cracks per mm of the wear protection layer, wherein the iron or iro...