ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,702, issued on Nov. 3, was assigned to TOMORROW WATER (Anaheim, Calif.).

"Carrier with adjustable biofilm thickness" was invented by Min Ki Jung (Daejeon, South Korea), Tae Seok Oh (Daejeon, South Korea), Yun Su Lim (Daejeon, South Korea), Dae Hwan Rhu (Yeoju-si, South Korea) and Ghimire Umesh (Artesia, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a carrier, of which biofilms are appropriately adjustable in thickness. In accordance with an aspect of the present disclosure, there is provided a complex carrier included in one component of a sewage treatment apparatus to allow microorganisms to be attached and grown therein. The co...