ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,916, issued on Sept. 1.

"System and method for prevention of corrosive biofilm formation in petroleum holding or carrying structures" was invented by Hossam Abdel Salam El Sayed Mohamed (Ottawa), Houda Abdul Rahman M. Al Mansour (Ottawa), Saadoun Saad S. Alsaadoun (Al-Mubarraz, Saudi Arabia) and Muneera Saadoun S. Alsaadoun (Al-Mubarraz, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hollow steel structure for carrying or holding liquid petroleum. The structure has an inner surface that is coated or lined with a piezo-electric material for precluding or minimizing bacterial biofilm-based corrosion. The method entails precluding or min...