ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,943, issued on June 17, was assigned to Hubbell Inc. (Shelton, Conn.).
"Exhaust fan" was invented by Peter Behnke (Vernon, Conn.), Benjamin Sigg (Wethersfield, Conn.) and Nick Graham (Bloomfield, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust fan for a space is provided. The exhaust fan includes a vent and a plurality of blades. The exhaust fan further includes a fan motor operatively coupled to the plurality of fan blades. The fan motor is configured to drive rotation of the plurality of fan blades to draw air within the space through the vent. The exhaust fan includes a microphone and a sensor. The sensor is configured to detect o...