Inventor
HITZELBERGER J ERIK
US6 patents
Patents
6 patentsUS7222392B2May 29, 2007
Airflow system for bagless vacuum cleaner
PANASONIC CORP NORTH AMERICA64 citations96
US7124467B2Oct 24, 2006
Edge cleaning system for vacuum cleaner
PANASONIC CORP NORTH AMERICA20 citations91
US7152275B2Dec 26, 2006
Dirt container for cyclonic vacuum cleaner
PANASONIC CORP NORTH AMERICA23 citations89
US7070636B2Jul 4, 2006
Cyclonic vacuum cleaner with filter and filter sweeper
PANASONIC CORP NORTH AMERICA47 citations89
US7251858B2Aug 7, 2007
Floor care apparatus with multiple agitator speeds and constant suction power
PANASONIC CORP NORTH AMERICA13 citations76
US7676884B2Mar 16, 2010
Vacuum cleaner equipped with bag compartment including a bag cage
PANASONIC CORP NORTH AMERICA6 citations59