ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,640, issued on Sept. 1, was assigned to Allison Transmission Inc. (Indianapolis).
"Modular transmission for an electric drive system" was invented by Isaac Mock (Martinsville, Ind.), Connor Claussen (Brownsburg, Ind.) and Jeremy Turner (Indianapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A modular transmission for an electric drive system that includes multiple individual drive modules configured to each provide two forward and two reverse gear ratios. The individual drive modules optionally include separate and distinct housings at least partially enclosing a planetary gearset. A shifting assembly is optionally included for each drive modul...