Roy L. Nelson
3Patents
2h-index
1Co-inventors
38Inventor score
Filing activity: Feb 28, 1992 → Jan 27, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5236063A | Rail lubricating device | Performing Operations; Transporting | 16 | Expired |
| US9561809B2 | Rail road track lubrication apparatus and method | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10421469B2 | Rail road track lubrication apparatus and method | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.