Eric Johnson
2Patents
1h-index
5Co-inventors
41Inventor score
Filing activity: Oct 30, 2000 → May 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6309159A | Self drilling roof bolt | Fixed Constructions | 15 | Expired |
| US11828117B2 | High-pressure drilling assembly | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.