Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12469373 | Door monitoring system and method | Xiaoduo Cui, Bruce Burwell, Zhenjie Wu | 2025-11-11 |
| 12264530 | Closure system and method thereof | Zhizhou Wu, Xin Cui | 2025-04-01 |
| 12104425 | Apparatus and method for door control | Zhizhuo Wu | 2024-10-01 |
| 12098979 | Communication interface device for wireless door controllers | Zhizhuo Wu, Xin Cui | 2024-09-24 |
| 11952823 | Apparatus and method for door control | Zhizhuo Wu | 2024-04-09 |
| 11875655 | Door monitoring system and method | Xin Cui, Bruce Burwell, Zhizhuo Wu | 2024-01-16 |
| 11551497 | Communication interface device for wireless door controllers | Zhizhuo Wu, Xin Cui | 2023-01-10 |
| 11512518 | Apparatus and method for door control | Zhizhuo Wu | 2022-11-29 |
| 11354988 | Door monitoring system and method | Xin Cui, Bruce Burwell, Zhizhuo Wu | 2022-06-07 |
| 8087686 | Bicycle drop out assembly | Jason MacNeil | 2012-01-03 |
| 7350797 | Rear bicycle suspension | — | 2008-04-01 |
| 6886846 | Rear bicycle suspension | — | 2005-05-03 |