ALEXANDRIA, Va., July 16 -- United States Patent no. 12,356,880, issued on July 15, was assigned to Deere & Co. (Moline, Ill.).

"Powered clearing-disks, control system, and method of use" was invented by Cary S. Hubner (Geneseo, Ill.), Grant J. Wonderlich (Milan, Ill.) and Mark E. Barker (Johnston, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "An agricultural row unit adapted to be moved over soil by an agricultural planter to clear crop residue includes a residue clearing disk or brush. The row unit may include a motor to drive rotation of a crop residue disk or brush. The agriculture row unit may also include a controller configured to adjust the operating speed of the motor in response to factors in...