Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D946840 | Robot vacuum cleaner | — | 2022-03-22 |
| D921308 | Robotic vacuum cleaner | Pei Cao, Tengteng Du | 2021-06-01 |
| 10823150 | Connecting structure for steel tube truss and tower barrel of lattice wind power generation tower, prestressed polygon wind tower provided with circular box girder for direct fan on top of tower, wind power generation tower, and wind tower having prestressed anti-fatigue structure | Tonghua Wang | 2020-11-03 |