Patents by Inventor Mark J. Medley

Mark J. Medley 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).

  • Removable dirt cup assembly with external filter
    Patent number: 7181804
    Abstract: A dirt cup for a vacuum cleaner includes a housing defining a dirt collection chamber, an inlet and an outlet in the housing in fluid communication with the dirt collection chamber and a filter holder on the housing external to the dirt collection chamber and downstream from the outlet. A vacuum cleaner incorporating the dirt cup is also provided.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: February 27, 2007
    Assignee: Panasonic Corporation of North America
    Inventors: Danielle M. Hafling, Joel E. Hitzelberger, Mark J. Medley, Nathan A. Gogel, Alan T. Pullins