Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1081949 | Air purifier | Dayou Zhang, Hongyu Ran, Yan Zhang, Bing Xiang | 2025-07-01 |
| 12179218 | Easy-to-clean separable purification core | Hongyu Ran, Yigang Liu | 2024-12-31 |
| D1031968 | Fan | Hongyu Ran, Qi Chen, Yigang Liu | 2024-06-18 |
| D1024268 | Water purifier | Dayou Zhang, Hongyu Ran, Yigang Liu, Hongqiang Li | 2024-04-23 |
| D1013852 | Air purifier | Hongyu Ran, Qi Chen, Yigang Liu | 2024-02-06 |
| D1002829 | Air purifier | Hongyu Ran, Qi Chen, Yigang Liu | 2023-10-24 |
| 11618041 | Base body and dust collector | Hongyu Ran, Yigang Liu | 2023-04-04 |
| D971395 | Air purifier | Hongyu Ran, Qidong Zhang, Qi Chen | 2022-11-29 |