US Patent Issued to Tyco Fire & Security on Sept. 8 for "Variable refrigerant flow system with zone grouping" (Wisconsin Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,870, issued on Sept. 8, was assigned to Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland).

"Variable refrigerant flow system with zone grouping" was invented by John H. Burroughs (Wauwatosa, Wis.), Andrew J. Przybylski (Franksville, Wis.), Matthew J. Ellis (Milwaukee), Mohammad N. Elbsat (Milwaukee) and Michael J. Wenzel (Grafton, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A controller for a building control system includes processors and memory storing instructions that, when executed by the processors, cause the processors to perform operations including identifying zones within a building, analyzing data associated with the...