ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,321, issued on July 8, was assigned to HONEYWELL INTERNATIONAL INC. (Charlotte, N.C.).

"System and method for detecting ice accretion on a rotor of an aircraft" was invented by Mohan Kanathu (Bangalore, India), Sivaprakash Pasupathi (Bangalore, India) and Ondrej Karas (Brno, Czech Republic).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for detecting ice accretion on a rotor of an aircraft includes a processing system that is configured to: receive torque data indicative of actual torque supplied from an electric motor to the rotor; implement a model of the electric motor and the rotor that determines an estimated torque that should be suppli...