US Patent 10486951 Trash can monitoring systems and methods

Some embodiments provide methods and systems of monitoring trash cans. A central computer system of a shopping facility identifies a first motorized transport unit and a second motorized transport unit; communicates routing instructions based on a mapping of the shopping facility to each of the first and second motorized transport units directing the first and second motorized transport units to a trash can receptacle, wherein the second motorized transport unit transports a replacement second trash can; communicates trash can removal instruction to the first motorized transport unit to cause the first motorized transport unit to remove the first trash can from the trash can receptacle; and communicates a trash can replacement instruction to the second motorized transport unit to cause the second motorized transport unit to place the second trash can into the trash can receptacle in place of the first trash can.