Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209498 | System and method for simultaneous excavation and segment erection of TBM by thrust shell | Behzad Khorshidi | 2025-01-28 |
| 10746022 | Helical segmental lining | Behzad Khorshidi | 2020-08-18 |