ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,616, issued on Sept. 23, was assigned to BERGSTROM INC. (Rockford, Ill.).

"Multi-compressor oil migration mitigation climate system" was invented by Yevgeniy Beygel (Long Grove, Ill.), Brett Herrmann (Rochelle, Ill.), Alexander Victor Puzin (Cherry Valley, Ill.) and Ian Boyes (Wimborne, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are climate systems and methods for control the climate systems. A climate system includes a refrigerant circuit, a first compressor, a second compressor, a first refrigerant-to-air heat exchanger, a second refrigerant-to-air heat exchanger, and a controller communicatively coupled to the first a...