Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337271 | Mobile purification device having heated filter for killing biological species, including COVID-19 | Zhifeng Ren, Luo Yu | 2025-06-24 |
| 12330107 | Purification device having heated filter for killing biological species, including COVID-19 | Zhifeng Ren, Luo Yu | 2025-06-17 |
| 12226728 | Detoxification device having heated filter for killing pathogens | Zhifeng Ren, Luo Yu | 2025-02-18 |
| 11446600 | Detoxification device having heated filter for killing pathogens | Zhifeng Ren, Luo Yu | 2022-09-20 |
| 6408592 | Methods and apparatuses for protecting windows and buildings during a wind storm | — | 2002-06-25 |