Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
QD

Qiancheng Du

Overall (All Time): #2,384,306 of 4,157,543Top 60%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1059704 Hand-held cordless vacuum cleaner 2025-01-28