Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8308424 | Power generation system using helical turbine | Jin Soon Park, Ki Dai Yum, Kwang Soo Lee, Jae-Youll Jin, Woo-Sun Park | 2012-11-13 |
| 8222761 | Power generation system using helical turbine | Jin Soon Park, Ki Dai Yum, Kwang Soo Lee, Jae-Youll Jin, Woo-Sun Park | 2012-07-17 |
| 5692557 | U-tube heat exchanger, equipped with a tube antivibration stabilizing system and a hold-down system | Nicolas Gillet, Christian Valadon, Jean-Pierre Roinjard, Joseph Chabrerie | 1997-12-02 |