Robert L. Coffee
4Patents
4h-index
7Co-inventors
43Inventor score
Filing activity: Sep 28, 1977 → Sep 16, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5224556A | Downhole activated process and apparatus for deep perforation of the formation in a wellbore | Fixed Constructions | 48 | Expired |
| US4867237A | Pressure monitoring apparatus | Fixed Constructions | 11 | Expired |
| US4107037A | Method and apparatus for automatic control of filtrate quality | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4527626A | Process and apparatus for removing dissolved oxygen | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.