ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,499, issued on July 22, was assigned to DUKE ENERGY Corp. (Charlotte, N.C.).

"Methods of determining flow rates of gas leaks in a pressurized gas system" was invented by Adam Silva (Charlotte, N.C.) and Travis Bronson (Charlotte, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of determining a flow rate of a gas leak in a pressurized gas system includes applying a liquid soap solution to a region of a component, and capturing, via a camera of a portable electronic device, a plurality of sequential images of bubbles formed in the region by an interaction between the liquid soap solution and a gas leak from the component. The plurality of...