Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11840044 | Multilayer tube and method for making same | Michael J. Tzivanis, Jianfeng Zhang, Charles S. Golub | 2023-12-12 |
| 11590333 | Tubular coupling | Jianfeng Zhang, Jian L. Ding | 2023-02-28 |