Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11475749 | Smoke detector capable of multi-mode charging and firefighting system including the same | Hanshu Dong, Jianwei Zhao | 2022-10-18 |
| 11448581 | High sensitivity fiber optic based detection system | Michael J. Birnkrant, Alan Matthew Finn, Jennifer M. Alexander, David L. Lincoln, Jun Hou | 2022-09-20 |
| 11361121 | Implementation of fiber high-sensitivity smoke detector system utilizing a building information model | Michael J. Birnkrant | 2022-06-14 |
| 11299371 | System and method for detecting elevator maintenance behavior in elevator hoistway | Yuanjing Sun, Junyang Lin, Tianyuan Chen, Zhen Jia | 2022-04-12 |