Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11166601 | Cleaning agent supply device | SONGWEN YE | 2021-11-09 |
| 11111909 | Liquid foam delivery device | — | 2021-09-07 |
| 11002260 | Liquid pump capable of achieving pressure equilibrium | LU-QIANG LIN | 2021-05-11 |
| 10912430 | Paper quantity detection device and paper containing box having the paper quantity detection device | — | 2021-02-09 |
| 10913081 | Spray quantity adjustable foam/liquid dual-purpose distribution device | — | 2021-02-09 |