ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,172, issued on Feb. 18, was assigned to HYDROMECANIQUE ET FROTTEMENT (Andrezieux-Boutheon, France).

"Guide device and mechanical system comprising such a device" was invented by Pierrick Pavallier (Perreux, France) and Fabrice Prost (Saint-Etienne, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A guide device includes: a metal component in the form of a bush provided with a friction surface intended to receive a mating part in frictional contact by sliding with oscillation; a wear sensing system of the friction surface having one or more sensors; and a wireless communication system connected to the detection system and configured to transmit ...