Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697423 | Method to enhance operation efficiency of water turbines and to reduce cavitation of components thereof | — | 2020-06-30 |
| 8800459 | Rudder resistance reducing method | — | 2014-08-12 |
| 7901158 | Underwater oil storage method and system | — | 2011-03-08 |
| 7874258 | Method of reducing frictional resistance between ship body and water by releasing gases in water | — | 2011-01-25 |