ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,849, issued on March 18, was assigned to Caterpillar Paving Products Inc. (Brooklyn Park, Minn.).

"Active path monitoring control system and method for compactor" was invented by Joshua David Keyes (Saint Michael, Minn.), David Edwin Gerding (Maple Grove, Minn.), John L. Marsolek (Watertown, Minn.) and Nathaniel S. Doy (Maple Grove, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various control systems and methods for a working machine such as a compactor are disclosed. The control system can include any one or combination of components including a controller in communication with at least a steering system and a position sensor. The controll...