CH

Chen Han

Overall (2025): #135,789 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12409594 Automatic forming method and device for a rubber sealing ring blank Liang Wang, Hongzhong Tu, Jie Zhong, Junjie Li, Xiaofeng Zhang +11 more 2025-09-09
12290964 3D-configured production structure of rubber products based on intelligent manufacturing unit and production method of same Jie Zhong, Aimin Zeng, Xiaofeng Zhang, Liang Wang, Xuegang Wu +7 more 2025-05-06