Patents by Inventor Laura J. Keiper

Laura J. Keiper 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).

  • Handle assembly for a cleaning apparatus
    Patent number: 7533439
    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. The handle includes a lower portion and an upper portion pivotally connected to the lower portion and pivoted between an upper position for use and a lower position for storage. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to one of the base portion and the handle. A recovery tank removably mounted to one of the base portion and the handle and is in fluid communication with a suction nozzle secured to said base portion.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: May 19, 2009
    Assignee: Healthy Gain Investments Limited
    Inventors: William H. Theiss, Jr., David J. Boles, Kenneth H. Cooper, Michael A. Durbin, Frank D. Fowler, Timothy T. Hertrick, Laura J. Keiper, Charles A. Lang, Richard S. Parr, Kenneth L. Symensma, Jason L. Williams, Donald R. Wright, Ryan S. Steiner