Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1071392 | Animal feeder | Huifeng Chen, Yong Yao | 2025-04-15 |
| D1070188 | Animal feeder | Huifeng Chen, Yong Yao | 2025-04-08 |
| D1065716 | Animal liquid feeder | Huifeng Chen, Yong Yao | 2025-03-04 |
| D1060875 | Animal feeder | Yong Yao, Yaoling Fan | 2025-02-04 |
| D1036793 | Retractable animal leash | Huifeng Chen, Yong Yao | 2024-07-23 |
| 12022808 | Automatic pet feeding device | Huifeng Chen | 2024-07-02 |
| D965232 | Pet feeder | Huifeng Chen, Yong Yao | 2022-09-27 |