William G. Riel
3Patents
3h-index
8Co-inventors
36Inventor score
Filing activity: Oct 25, 2004 → Dec 28, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7152700B2 | Dual wall drill string assembly | Fixed Constructions | 75 | Expired |
| US7318491B2 | Apparatus and method for modified horizontal directional drilling assembly | Fixed Constructions | 11 | Expired |
| US8033345B1 | Apparatus and method for a drilling assembly | Fixed Constructions | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.