US Patent 12129122 Modular inventory handling system and method

A system of inventory management is described. It includes at least one container adapted to hold inventory items. A conveyor system is adapted to move the containers to and from pick cells. Each pick cell contains an array of processing locations designed to receive containers and an inventory movement tool such as a robotic arm designed to interact with containers received by the pick cell. The pick cells include at least one buffer shelf for processing items.