Patent 7849556 was granted and assigned to Bissell Homecare, Inc. on December, 2010 by the United States Patent and Trademark Office.
A portable carpet cleaning apparatus comprises a module for movement along a surface, a cleaning fluid dispensing system for applying a cleaning fluid to the surface, optionally, a rotating brush assembly, a suction nozzle and a vacuum source fluidly connected to the suction nozzle and a heating element for heating the cleaning fluid immediately prior to the application of the cleaning fluid to the surface.