Patent 9474424 was granted and assigned to Bissell Homecare, Inc. on October, 2016 by the United States Patent and Trademark Office.
A cleaning apparatus for a floor surface comprises a fluid delivery system having a supply tank for storing cleaning fluid and a fluid distributor for delivering the cleaning fluid to a surface to be cleaned. An air pathway is provided in the cleaning apparatus for removing heated air from the motor. In operation, heat from the heated air is transferred to the cleaning fluid in the supply tank.