Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410824 | Hydraulic oil-circuit system and hydraulic jack | Yongyong ZHAN, Xinfa Du, Binhao Ruan | 2025-09-09 |
| 12304430 | Electric step device and vehicle having same | Xinfa Du, Qi Zhang, Linjie Xu, Yiming Wang, Tao He +1 more | 2025-05-20 |
| 12103828 | Winch, rope guide and transmission device having clutch function | Yongyong ZHAN, Xinfa Du, Yiming Wang, Tao He, Hongliang Xu | 2024-10-01 |
| 12084323 | Winch, rope guide and transmission device having clutch function | Yongyong ZHAN, Xinfa Du, Yiming Wang, Tao He, Hongliang Xu | 2024-09-10 |
| 12083994 | Step mounting mechanism and motorized device | Xinfa Du, Qi Zhang, Linjie Xu | 2024-09-10 |
| 12017614 | Vehicle, running board assembly and drive assembly for running board | Xinfa Du, Qi Zhang | 2024-06-25 |
| 11713223 | Winch, rope guide and transmission device having clutch function | Yongyong ZHAN, Xinfa Du, Yiming Wang, Tao He, Hongliang Xu | 2023-08-01 |
| 11702012 | Vehicle running board apparatus and retractable device thereof | Xinfa Du, Qi Zhang, Yongyong ZHAN, Yiming Wang, Tao He +1 more | 2023-07-18 |
| 11577654 | Vehicle, running board assembly and drive assembly for running board | Xinfa Du, Qi Zhang | 2023-02-14 |
| 11414017 | Vehicle step apparatus and vehicle | Zhaobo Qing, Huizhong Yang, Xinfa Du, Qi Zhang, Xing Fan +3 more | 2022-08-16 |
| 11376918 | Adjustment device, adjustor and shock absorber | Yongyong ZHAN, Xinfa Du, Yiming Wang, Hongliang Xu, Tao He | 2022-07-05 |
| 11318889 | Vehicle, running board assembly and drive assembly for running board | Xinfa Du, Qi Zhang | 2022-05-03 |
| 11311054 | Method for filling aerosol generating product and prepared aerosol generating product | Ningning Yan, Yong Zhang, Zhennan Huang, Yuefeng Chen, Shenghong Yuan +2 more | 2022-04-26 |
| 11292390 | Vehicle, running board assembly and drive assembly for running board | Xinfa Du, Qi Zhang | 2022-04-05 |
| 11198394 | Vehicle running board apparatus and retractable device thereof | Xinfa Du, Qi Zhang, Yongyong ZHAN, Yiming Wang, Tao He +1 more | 2021-12-14 |
| 11091457 | Synthetic nicotine composition | Zheng Chen, Yinghui Cao, Ningning Yan, Yong Zhang, Yuefeng Chen +2 more | 2021-08-17 |
| 10682960 | Vehicle, running board assembly and drive assembly for running board | Xinfa Du, Qi Zhang | 2020-06-16 |
| 10384614 | Vehicle, running board assembly and drive assembly for running board | Xinfa Du, Qi Zhang | 2019-08-20 |