US Patent 8162210 Water and drink mix vending machine

A liquid and drink mix vending machine can vend both potable water and as an additional purchase option drink mixes (e.g., flavored drink mixes). The vending machine can include a liquid vending system and a drink mix vending system. The liquid vending system can vend different amounts of water, which can be delivered to a container provided by a user. The drink mix vending system can vend a variety of drink mixes, including drink mixes of different concentrations for a given quantity of water.