Ningchuan Zhang
2Patents
0h-index
9Co-inventors
21Inventor score
Filing activity: Dec 9, 2014 → Dec 9, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9995086B2 | Center-pillared full-face shaft drilling machine | Fixed Constructions | 0 | Active |
| US10202807B2 | Vertical shaft drilling rig using novel drilling method | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.