Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1009698 | Tie plate for railroad | Yu Tian | 2024-01-02 |
| 11353072 | Pumpjack lock | — | 2022-06-07 |
| 10697129 | Hot forged tie plate for railroad | Zheng Gu | 2020-06-30 |
| 10697506 | Pumpjack lock | — | 2020-06-30 |
| 10273636 | Hot forged tie plate for railroad | Zheng Gu | 2019-04-30 |
| D804991 | Hot forged tie plate for railroad | Zheng Gu | 2017-12-12 |
| D804352 | Hot forged tie plate for railroad | Zheng Gu | 2017-12-05 |
| D794506 | Hot forged tie plate for railroad | Zheng Gu | 2017-08-15 |