ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,174, issued on May 12.

"Assessment of metallic structures in contact with an electrolyte" was invented by Mark Glinka (Berlin), Albin Hertrich (Berlin), Jan Strom (Berlin), Bruno Schulz (Berlin) and Alexander Kroll (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for assessing a structure arranged in an electrolyte may include connecting an electric source between the structure and an earth, and imposing, on the structure, a primary current with at least three frequencies including a first frequency of a duration and an amplitude, a second frequency of a duration and an amplitude, and a third frequency of a duration and an amplitude, a...