The report contains ten-year analysis with the following sections
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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
vacuum cleaner | 23 | 2008 |
vacuum cleaner | 19 | 2007 |
dust collector comprising a handle unit and intended for a vacuum cleaner | 17 | 2009 |
cyclone dust collector | 13 | 2008 |
dust collecting apparatus for a vacuum cleaner having a dust removal function | 13 | 2009 |
upright vacuum cleaner | 13 | 2007 |
upright type vacuum cleaner | 12 | 2007 |
water filtering device equipped with water level adjustment unit | 12 | 2009 |
dust-separating apparatus of vacuum cleaner | 12 | 2009 |
cleaning apparatus and dust collecting method using the same | 11 | 2009 |