CD

Changjiang Ding

YC Yiwu Siwei Technology Co.: 5 patents #1 of 1Top 100%
📍 Yiwu, CN: #5 of 91 inventorsTop 6%
Overall (All Time): #478,580 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D1094000 Electric grinder 2025-09-23
D1094001 Electric grinder 2025-09-23
D1091221 Electric grinder and base set 2025-09-02
D1062361 Electric coffee grinder 2025-02-18
D1039903 Manual coffee grinder 2024-08-27
D1003653 USB electric coffee grinder 2023-11-07
D1003654 USB electric coffee grinder 2023-11-07
D1003103 USB electric coffee grinder 2023-10-31
D985290 Combined electric pepper mill and USB 2023-05-09
D947593 Coffee grinder 2022-04-05