ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,395, issued on July 22, was assigned to Mitsubishi Electric Research Laboratories Inc. (Cambridge, Mass.).

"System and method for monitoring an operation of a vapor compression cycle" was invented by Christopher Laughman (Waltham, Mass.) and Vedang Mohanrao Deshpande (Attleboro, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system that describe collecting digital representation of observed variables of the operation of the vapor compression cycle over multiple instances of time and executing a constrained ensemble Kalman smoother for each instance of time to estimate the state variables of the vapor compression cycle for each ins...