Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D932858 | Drill | Jie Kuang, Song Zhang, Jens Näslund, Thomas Arnell | 2021-10-12 |
| D926397 | Debris blower | Philip C. Dretzka, Nicholas Suchoza, Chang Wang | 2021-07-27 |
| D924794 | Battery | Jie Kuang, Song Zhang, Thomas Arnell, Jens Näslund | 2021-07-13 |