Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10286581 | Centrifugal hollow basic body forming method and device | — | 2019-05-14 |
| 9822516 | Explosion-proof method of a pressure type toilet tank and an explosion-proof pressure type toilet tank | — | 2017-11-21 |
| 9115519 | Damping structure | Feiyong Li | 2015-08-25 |
| 8689368 | Flushing mechanism | Feiyu Li | 2014-04-08 |
| 8332970 | Flushing mechanism | Feiyu Li | 2012-12-18 |