ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,891, issued on April 15, was assigned to Pig Sweep LLC (Kilgore, Texas).
"Method of treating or maintaining an apparatus" was invented by James A. Allred Jr. (Alba, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of treating or maintaining an apparatus is achieved by subjecting at least one treated component of an apparatus to electrochemical corrosion protection. The treated component has surfaces treated with a coating of a treatment composition of a colloidal particle dispersion having inorganic nanoparticles with an average particle size from 500 nm or less that exhibit properties of Brownian motion. At least some of the inorganic n...