Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11371298 | Support device for rotation of high-capacity and compact drill pipe storage unit of seabed drilling rig in lying state | Buyan Wan, Yongping Jin, Xiaojun Huang | 2022-06-28 |