ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,015, issued on Aug. 11, was assigned to HOPPER BLASTER IP HOLDINGS LLC (Brooten, Minn.).
"Zonal cleaning system for transport containers" was invented by Thomas Dale Schroeder (Brooten, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A zonal cleaning system for a hopper trailer. The zonal cleaning system includes a controlled air supply that has air tanks with outlet valves operating sequentially and cyclically for a predetermined amount of time. Upper rail assemblies are positioned relatively about and mounted to the upper portion of the sidewalls and each connects to one of the outlet valves. The upper rail assemblies have nozzles directional...