Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345033 | Vortex flush toilet | — | 2025-07-01 |
| 11226052 | Electric valve | — | 2022-01-18 |
| 10975556 | Tank-less automatic flush toilet | — | 2021-04-13 |
| 10895069 | Automatic flush toilet | — | 2021-01-19 |
| 9222592 | Composite structure of rotary valve | — | 2015-12-29 |
| 6105678 | Heat responsive fire extinguishing assembly for a ventilating duct | — | 2000-08-22 |