Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439835 | Pump shell for multistage metal working pump | Huan-Jan Chien, Pao-Yin Ou, Rong-Jau Liaw | 2002-08-27 |
| 6398493 | Floatable impeller for multistage metal working pump | Huan-Jan Chien, Pao-Yin Ou, Rong-Jau Liaw | 2002-06-04 |
| 6267555 | Sheet metal casing for multistage pump and method for manufacturing the same | Huan-Jan Chien, Pao-Yin Ou, Rong-Jau Liaw | 2001-07-31 |
| 6220819 | Centrifugal pump impeller | Huan-Jan Chien, Pao-Yin Ou, Jing-Fuh Chen | 2001-04-24 |