Robert G. Upton
3Patents
3h-index
6Co-inventors
43Inventor score
Filing activity: Jul 14, 1980 → Jul 8, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4334585A | Insert retention and cooling apparatus for drag bits | Fixed Constructions | 39 | Expired |
| US5362073A | Composite seal for rotary cone rock bits | Emerging Cross-Sectional Technologies | 31 | Expired |
| USRE36452E | Composite seal for rotary cone rock bits | General | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.