ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,650, issued on March 24.

"Distributed zone control system" was invented by Hazem Elshorbagy (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A distributed zone control system having one or more vents with sensors and effectors is provided. The effectors operate in response to the sensors. In various embodiments, the effectors of one vent may operate in response to the sensors of another vent. In various instances, the distributed zone control system connects to an HVAC system and controls operation of the HVAC system. In this manner, temperatures may be detected by a vent and conditioned air from the HVAC system is directed to appropriate zo...