Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8757518 | Water-saving valve | Chih-Hung Kao | 2014-06-24 |
| 8028356 | Water controlling valve | Chih-Hung Kao | 2011-10-04 |
| 7677473 | Spout for foaming and saving water | — | 2010-03-16 |
| 7143997 | Plug assembly for a faucet to automatically stop water flow | — | 2006-12-05 |