US Patent 12011521 Air sterilizing elevator cab and methods

An elevator cab and method of sterilizing the air of an elevator comprising, a plenum configured to fluidly connect to an interior of the elevator cab, at least one intake formed in the side walls of the elevator cab and in fluid communication with the plenum, a fan configured to draw air from the elevator cab via the intake duct and the plenum, and a kill box, including a source of ultraviolet C (UVC) light, and configured to receive air via the fan, wherein the UVC light is configured to sterilize air removed from the elevator cab.