ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,138, issued on March 3, was assigned to Grain Weevil Corp. (La Vista, Neb.).

"Grain bin management during grain storage" was invented by Benjamin H. Johnson (Omaha, Neb.), Chad E. Johnson (Aurora, Neb.) and Zane Zents (Omaha, Neb.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robot comprises an auger-based drive system, a memory, and a processor coupled with the memory and configured to control movement of the robot, via the auger-based drive system, relative to grain in a grain bin. The processor is further configured to direct performance of a maintenance traversal, by the robot, of a surface of a pile of the grain during a storage period of th...