Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7735550 | Throttle unit for dump bailer and method of blocking a water out zone in a production well utilizing the same | Chi-San Sun, Chia Shui Wu, Lai Fuh Fan, Te Kun Huang, Chen Hui Fan | 2010-06-15 |
| 7694737 | Method of blocking water-out zone in a gas well by dumping cement and injecting pressurizing gas | Chi-San Sun, Chia Shui Wu, Lai Fuh Fan, Te Kun Huang, Chen Hui Fan | 2010-04-13 |
| 7082696 | Sole structure of Goodyear's dual-intake air-capsule shoes | — | 2006-08-01 |
| D509949 | Sole | — | 2005-09-27 |
| 6789334 | Punch-to-fix structure of steel-head shoes | — | 2004-09-14 |
| 6564477 | Stitch structure of steel-head shoes | — | 2003-05-20 |