AO Smith Hit With Patent Suit Over Unit’s Water Filter Product

AO Smith Water Treatment North America Inc. was sued by a beverage appliance startup for patent infringement over its development and the sale of a countertop water filter product.

The Clean Water Machine product, created by AO Smith’s Aquasana Inc., uses a protected water filtration methods equipped with a light sensor to monitor performance, according to a complaint filed Tuesday in the US District Court for the Western District of Texas. Ohio-based MiBev said the product infringes US Patent No. 11,235,267.

• The ‘267 patent, issued in February 2022, deals with a method to make customized beverages using a filtered ...