ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,457,934, issued on Nov. 4, was assigned to Deere & Co. (Moline, Ill.).

"Residue sensing and cleaning system" was invented by Nathan R. Vandike (Geneseo, Ill.) and Martin Unterpaintner (Saarbruecken, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for sensing accumulated residue on a transmission surface of a sensor of an agricultural machine and controlling a cleaning of the transmission surface. Using captured information obtained by the sensor through the transmission surface, a first cleanliness value can be derived and compared with a first threshold. If the first threshold is not satisfied, a cleaning system can be activat...