US Patent 10360548 Systems and methods of managing perpetual inventory

In some embodiments, systems and methods are provided to monitor and adjust perpetual inventory (PI). Some embodiments comprise multiple point of sale (POS) systems; an inventory system and a perpetual inventory (PI) engine control circuit that receives inventory information and is configured identify the occurrence of a plurality of different events each associated with a different product at a shopping facility and corresponding to a potential inconsistency in a determined inventory count; and for each of the events: identify a first set of inventory evaluation rules; apply the first set of inventory evaluation rules to determine a type of inventory count error; determine an inventory adjustment action to be implemented based on the first product and the determined error type; and cause the inventory adjustment action to be implemented in substantially real-time to adjust the determined inventory count of the first product at the first shopping facility.