Assignee
WS SPA
US·4 granted patents·55 citations·filing 1996–1997
Top patents by PatentIndex Score
4 records- 0185USD388565SVacuum cleanerWS SPA·Filed 1996·Granted Dec 30, 1997·39 cites·1 claims
- 0231US6206955B1Vacuum cleaner apparatus with at least three stages of dust collection, of the type with a path partially submerged in water and provided with a separation labyrinthWS SPA·Filed 1997·Granted Mar 27, 2001·7 cites·8 claims
- 0329US6019826AVacuum cleanerWS SPA·Filed 1996·Granted Feb 1, 2000·7 cites·4 claims
- 0429USD405523SSteam generator for facial treatmentWS SPA·Filed 1997·Granted Feb 9, 1999·2 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →