ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,202, issued on May 26, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Disengagement for reverse propeller protection" was invented by Andrew Ghattas (Quebec, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An engine and propeller control system (EPECS) of an aircraft includes a propeller with a plurality of blades coupled to an aircraft engine. Each of the blades are coupled to an actuator configured to adjust the blades between a first pitch to produce forward thrust and a second pitch to produce reverse thrust. The EPECS further includes a controller configured to control the actuator to invoke the second pitch in response...