Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
DF

Difeng Feng

Overall (2025): #130,115 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1079754 Air pump — 2025-06-17
D1063992 Car air pump Yifeng Zhu 2025-02-25