Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10620069 | Multi-bolt loosening test machine for flange with tension and bending compound loading | Qingchao Sun, Bao Zhang, Wei Sun, Bin Yang | 2020-04-14 |
| 10598567 | Multi-bolt loosening test machine for flange with tension, bending and torsion compound loading | Qingchao Sun, Bao Zhang, Wei Sun, Bin Yang | 2020-03-24 |