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USPTO Patent Rankings Data through Sept 30, 2025
SP

Silvano Pietrobon

Crespano del Grappa, IT: #1 of 1 inventorsTop 100%
Overall (All Time): #1,046,219 of 4,157,543Top 30%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6206955 Vacuum 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 labyrinth 2001-03-27
6019826 Vacuum cleaner 2000-02-01
5925171 Vacuum cleaner apparatus, of the type having an inner container partially submerged in water 1999-07-20
D405523 Steam generator for facial treatment 1999-02-09
D388565 Vacuum cleaner 1997-12-30