A device for sanitizing and disinfecting a space includes a tank having an interior space for holding an aqueous sanitizing, disinfecting, and/or sterilizing liquid, a bottom sector, an air inlet sector, and an exhaust sector, inner walls of the exhaust sector and the air inlet sector forming a substantially...http://www.google.com/patents/US7780909?utm_source=gb-gplus-sharePatent US7780909 - Ultrasonic sanitation and disinfecting methods
