Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1081949 | Air purifier | Dayou Zhang, Yan Zhang, Bing Xiang, Yaoyuan Lu | 2025-07-01 |
| 12179218 | Easy-to-clean separable purification core | Yigang Liu, Yaoyuan Lu | 2024-12-31 |
| 12081148 | Gear control circuit and system for alternating current motor, switch controller, and electronic device | Yan Zhang, Yigang Liu, Mingming Wei, Hongqiang Li | 2024-09-03 |
| D1031968 | Fan | Yaoyuan Lu, Qi Chen, Yigang Liu | 2024-06-18 |
| D1024268 | Water purifier | Dayou Zhang, Yigang Liu, Yaoyuan Lu, Hongqiang Li | 2024-04-23 |
| 11914006 | Driving circuit, magnetic sensing circuit, and electrical device | Yan Zhang, Yigang Liu, Hongqiang Li, Mingming Wei | 2024-02-27 |
| D1013852 | Air purifier | Yaoyuan Lu, Qi Chen, Yigang Liu | 2024-02-06 |
| D1002829 | Air purifier | Yaoyuan Lu, Qi Chen, Yigang Liu | 2023-10-24 |
| 11618041 | Base body and dust collector | Yigang Liu, Yaoyuan Lu | 2023-04-04 |
| D971395 | Air purifier | Yaoyuan Lu, Qidong Zhang, Qi Chen | 2022-11-29 |
| 9868123 | Purification and variable frequency system and method | Yigang Liu, Xianghui Gao | 2018-01-16 |
| 9735568 | Ionic wind purifier and discharge monitoring and protective circuit of high-voltage ion purifier | Zhaofeng Wei, Yan Zhang, Yigang Liu | 2017-08-15 |
| 8466624 | Electrohydrodynamic fluid accelerator device with collector electrode exhibiting curved leading edge profile | Nels Jewell-Larsen, Kenneth Honer, Matt Schwiebert, Piyush Savalia, Yan Zhang | 2013-06-18 |
| 8411407 | Reversible flow electrohydrodynamic fluid accelerator | Nels Jewell-Larsen, Kenneth Honer, Matt Schwiebert, Piyush Savalia, Yan Zhang | 2013-04-02 |
| 8411435 | Electrohydrodynamic fluid accelerator with heat transfer surfaces operable as collector electrode | Nels Jewell-Larsen, Kenneth Honer, Matt Schwiebert, Piyush Savalia, Yan Zhang | 2013-04-02 |