Patents by Inventor Paul E. Volkmann

Paul E. Volkmann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tank arrangement for a cleaning apparatus
    Patent number: 7331082
    Abstract: A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. The cleaning apparatus includes a base portion for movement along the surface and a handle pivotally connected to the base portion. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to a side of the handle. A recovery tank is removably mounted to the opposite side of the handle. A suction nozzle is secured to the base portion. A suction source is in fluid communication with the suction nozzle for generating suction to draw dirt and liquid through the suction nozzle and into the recovery tank.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: February 19, 2008
    Assignee: The Hoover Company
    Inventors: Timothy T. Hertrick, David J. Boles, Michael A. Durbin, Jonathan E. Fawcett, Gary M. Johns, Charles A. Lang, Richard S. Parr, Ryan S. Steiner, William H. Theiss, Jr., Donald R. Wright, Paul E. Volkmann