ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,066, issued on April 29, was assigned to Lennox Industries Inc. (Richardson, Texas).

"Motor inductance calibration system and method" was invented by Palanivel Subramaniam (Richardson, Texas), Yan Yang (Wylie, Texas), Kishor Satish Gaikwad (Dallas), Sunil K. Khiani (Plano, Texas), Stephen J. Vendt (Carrollton, Texas) and Nasim Arbab Rahman (Allen, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for calibrating inductance at a motor comprises the motor, a motor drive circuit, and a processor operably coupled to the motor. The processor determines inductance map data that comprises a set of inductance values associated with a set of curre...