ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,042, issued on April 7, was assigned to Archer Aviation Inc. (San Jose, Calif.).

"Systems and methods for rotor assemblies and manufacturing thereof" was invented by Scott Graves (Felton, Calif.), Diego Silva (San Jose, Calif.) and Heath Smoot (Morgan Hill, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a rotor assembly of an electric engine, comprising: loading a first and second plurality of magnets in a magnet insertion tool, loading a sleeve in the magnet insertion tool: performing an insertion movement of the first plurality of magnets with respect to the second plurality of magnets using the magnet insertion t...