Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808453 | Gas mixing device and gas water heating device | Yanli Duan, Ziwen Fu | 2023-11-07 |
| 11583071 | Foldable shelf convenient to transport and assemble | — | 2023-02-21 |
| 11585573 | Gas mixing device and gas water heating device | Le Zhao, Ziwen Fu | 2023-02-21 |
| 11564548 | Cleaning robot capable of simultaneously driving a driving wheel and an impeller by single motor | Weijin Li | 2023-01-31 |