Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660559 | Filter life prediction method and filter type detection method | Yordan Konstantinov Kralev | 2023-05-30 |
| 11633687 | Air purifier | Yordan Konstantinov Kralev | 2023-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660559 | Filter life prediction method and filter type detection method | Yordan Konstantinov Kralev | 2023-05-30 |
| 11633687 | Air purifier | Yordan Konstantinov Kralev | 2023-04-25 |