Donald E. Ritchie
2Patents
2h-index
3Co-inventors
30Inventor score
Filing activity: Jan 31, 1986 → May 13, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4688634A | Running and setting tool for well packers | Fixed Constructions | 21 | Expired |
| US4852654A | Wireline hydraulic isolation packer system | Fixed Constructions | 16 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.