Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8733389 | Mixed water control valve | Chu-Wan Hong, Ching-chen Shieh, Yuan-Hao Chang | 2014-05-27 |
| 8272395 | Water dispensing device capable of recycling cold water | — | 2012-09-25 |
| 8069503 | Water refilling device for water saving toilets | — | 2011-12-06 |
| 7694355 | Pressure vessel | — | 2010-04-13 |
| 7111333 | Toilet structure | Jin Wang | 2006-09-26 |
| D523939 | Trapway of toilet | Yao-sheng Cheng | 2006-06-27 |
| 6834399 | Pressure vessel | — | 2004-12-28 |