US Patent Issued to SAFRAN AIRCRAFT ENGINES on March 11 for "Abradable coating" (French Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,491, issued on March 11, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Abradable coating" was invented by Guillaume Fradet (Moissy-Cramayel, France), Laurent Paul Dudon (Moissy-Cramayel, France) and Serge Georges Vladimir Selezneff (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An abradable coating for a turbomachine, as well as a turbomachine module and a turbomachine including such an abradable coating, the abradable coating including, with a content of greater than 50% by volume, an inorganic compound whose Mohs hardness is less than 6 and whose melting temperature is greater than 900deg C."

The patent was filed on ...