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

Cheng Hang

📍 Ningbo City, CT: #1 of 2 inventorsTop 50%
Overall (2025): #65,880 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12415198 Short and small external dual-spring sprayer Xianqiang Zhu 2025-09-16
12415199 Short and small continuous sprayer Xianqiang Zhu 2025-09-16
12403493 All-plastic spray gun Gongshun DUAN 2025-09-02