ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,002, issued on Dec. 2, was assigned to KONE Corp. (Helsinki).
"Elevator-based air quality sensing system for buildings" was invented by Pekka Perunka (Helsinki) and Pekka Perala (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of monitors a climate quality within a building having an elevator running between floors of an elevator hoistway. The elevator car of the elevator includes at least an air-quality sensor. The method is characterized in that a fan of the elevator car is running when the door(s) of the car is/are opening at a floor station to suck air from the building's floor level into the elevator car to the vicinity of the a...