Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1073490 | LED timer | — | 2025-05-06 |
| D1063646 | Clock with light | — | 2025-02-25 |
| 10618778 | Openable extensible panel and elevator ceiling, car and system with the same | Xiaopeng Hu, Jingli Zhou, Yufeng Wu | 2020-04-14 |
| 10246297 | Rust removing device for elevator guide rail | YuHang Ou, WeiHua Yuan, Jing Nie | 2019-04-02 |