ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,987, issued on Nov. 3, was assigned to BUTLR TECHNOLOGIES INC. (Burlingame, Calif.).

"Energy savings for building management systems" was invented by Andy Stubbs (Waltham, Mass.), Jiani Zeng (San Francisco) and Honghao Deng (Belmont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The system may include determining a number of occupants in a space, based on input from one or more sensors and an artificial intelligence classifier; creating a thermal model of the space based on the number of occupants, data about an outside temperature from an outside surface of one or more walls of the space, data about an inside temperature from an inside surfa...