US Patent 11393000 Networked food preparation and vending system

A vending machine system is disclosed and claimed. In particular, the disclosed vending machine system allows multiple vendors to sell food items through a vending machine. The vending machine provides multiple locked bins, each of which can authenticate to a single vendor. Also, the vending machine implements price adjustment rules, such as raising the price of a particular item during, before, and after a high traffic event. In addition, customer dietary restrictions can be tracked, and purchases of food items that would violate those dietary restrictions can be prevented.