Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104459 | Seal for repeatedly switchable stepless fracturing sliding sleeve | Zeming Qin, Guangming Huang | 2024-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104459 | Seal for repeatedly switchable stepless fracturing sliding sleeve | Zeming Qin, Guangming Huang | 2024-10-01 |