Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10821561 | Exothermic welding cup and exothermic welding capsule | Fanjiao Chen, Zhoubo Lyu | 2020-11-03 |
| 10758997 | Exothermic welding apparatus and exothermic welding method | Fanjiao Chen, Zhoubo Lv | 2020-09-01 |