ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,446, issued on Jan. 27, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Capacitive chip detector" was invented by Sarmad Khan (Mississauga, Canada) and Daniel Arnone (Burlington, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Capacitive chip detectors for detecting metallic chips in engine fluid of an engine are provided. A capacitive chip detector includes a capacitor having first and second electric conductors. The detector further includes an inlet for receiving engine fluid between the first and second electric conductors. The capacitive chip detector includes an electric circuit including the capacitor, which capacitan...