John McCullagh
2Patents
1h-index
6Co-inventors
37Inventor score
Filing activity: May 1, 2008 → Mar 23, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8307913B2 | Drilling system with drill string valves | Fixed Constructions | 12 | Active |
| US12351426B2 | Roller apparatus for a cover and method of use thereof | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.