ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,852, issued on Aug. 19, was assigned to Alva Industries AS (Trondheim, Norway).

"Method and apparatus for production of a multiphase electromagnetic mat for forming current carrying components of a power conversion system" was invented by Oddvin Agnalt Ostmo (Trondheim, Norway), Halvard Berge (Trondheim, Norway) and Jorgen Selnes (Trondheim, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for production of a multiphase electromagnetic mat for forming current carrying components of a power conversion system, wherein the electromagnetic mat comprises structural fibre lengths divided into at least two groups and winding fib...