Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1091026 | Chain cleaner | — | 2025-08-26 |
| 11707666 | Adjustment mechanism for electric power-driven shoe | Jiancheng Zhang, Jianjun Li, Dongliang Song | 2023-07-25 |
| 10933298 | Anti-reverse rotation device of power-driven shoe device | Jiancheng Zhang, Jianjun Li, Dongliang Song | 2021-03-02 |
| 10933299 | Electric power-driven shoe | Jiancheng Zhang, Jianjun Li, Dongliang Song | 2021-03-02 |
| 10709961 | Power-driven shoe device | Jiancheng Zhang, Jianjun Li, Dongliang Song | 2020-07-14 |