US Patent 9714139 Managing inventory items via overhead drive units
Patent 9714139 was granted and assigned to Amazon on July, 2017 by the United States Patent and Trademark Office.
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The disclosed inventory system and methods can be used to improve storage time for storing less frequency accessed inventory items. Specifically, a mobile drive unit may be selected from a plurality of mobile drive units to store an inventory item by obtaining storage densities of available storage locations and selecting a storage location for an inventory item based on the projected frequency of access of the inventory item. An overhead drive unit may be selected over a ground drive unit to store less-frequently accessed inventory items in densely-packed storage areas. Inventory holders may be selected based on projected frequency of access of other inventory items stored therein.
US Patent 09714139 Managing inventory items via overhead drive units US Patent 9714139 Managing inventory items via overhead drive units
US Patent 09714139 Managing inventory items via overhead drive units
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