Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12085192 | Straight-stroke no-material-loss high-temperature normal-pressure filler sealing structure | Yushan Ma, Haixia SU, Zhandong Chang, Zhiyun Feng | 2024-09-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12085192 | Straight-stroke no-material-loss high-temperature normal-pressure filler sealing structure | Yushan Ma, Haixia SU, Zhandong Chang, Zhiyun Feng | 2024-09-10 |