Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D930927 | Upright vacuum cleaner | Jing Yang, Guoqiang Yi | 2021-09-14 |
| D928432 | Vacuum cleaner | Mackenzie L. Knapp | 2021-08-17 |
| D928433 | Vacuum cleaner | Mackenzie L. Knapp | 2021-08-17 |
| D926401 | Vacuum cleaner | Mackenzie L. Knapp | 2021-07-27 |
| D924504 | Vacuum cleaner | Mackenzie L. Knapp | 2021-07-06 |
| D924505 | Vacuum cleaner | Mackenzie L. Knapp | 2021-07-06 |