Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1076474 | Rocking chair | — | 2025-05-27 |
| 11686356 | Electromagnetic dog clutch | Ping Yu, Zhengqiang Pei, Yuxia Hei | 2023-06-27 |
| 11444505 | Sealing structure of electric-machine-shaft extension end | Zhengqiang Pei, Ping Yu, Pengfei Liu | 2022-09-13 |
| 9375059 | Safety lock for zipper bags | — | 2016-06-28 |