ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,625, issued on Dec. 30, was assigned to AGCO Corp. (Duluth, Ga.).

"Combine harvesters having louvers to adjust air flow, and related methods" was invented by Eric Wane Bolton (Buhler, Kan.), Tyler Gleason (Hesston, Kan.), Kye J Kurkowski (Hesston, Kan.), Brendan Meyer (Hesston, Kan.) and Steve O'Halloran (Hesston, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combine harvester having a cleaning shoe includes a housing, a chaffer having a frame assembly and a plurality of first louvers rotatably mounted to the frame assembly, and a blower comprising a plurality of second louvers. The first louvers are configured to rotate about lateral axes t...