Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11674283 | Semi-submersible immersed tube transportation and installation integrated ship and construction process | Yiyong Li, Naishou Zhang, Zengjun Li, Yuanping Fu, Yuxi FENG +1 more | 2023-06-13 |
| 11655608 | Water stopping device of suspension and sliding type and an application thereof | Zengjun Li, Naishou Zhang, Wei Pan, Yiyong Li, Qiang Wang +1 more | 2023-05-23 |
| D983958 | Fireplace screen | — | 2023-04-18 |