David Belew
8Patents
3h-index
4Co-inventors
46Inventor score
Filing activity: Feb 23, 1999 → Aug 3, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6920945B1 | Method and system for facilitating horizontal drilling | Fixed Constructions | 31 | Expired |
| US7686101B2 | Method and apparatus for laterally drilling through a subterranean formation | Fixed Constructions | 22 | Active |
| US6257353A | Horizontal drilling method and apparatus | Fixed Constructions | 13 | Expired |
| US9845641B2 | Method and system for laterally drilling through a subterranean formation | Fixed Constructions | 2 | Active |
| US8312939B2 | Method and system for laterally drilling through a subterranean formation | Fixed Constructions | 1 | Active |
| US8915311B2 | Method and apparatus for drilling a zero-radius lateral | Fixed Constructions | 1 | Active |
| US9097083B2 | Method and apparatus for milling a zero radius lateral window in casing | Fixed Constructions | 0 | Active |
| US9316079B2 | Method and apparatus for milling a zero radius lateral window in casing | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.