John Dahl
3Patents
3h-index
7Co-inventors
47Inventor score
Filing activity: Sep 28, 1984 → Jun 23, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4716271A | Apparatus for positioning a tool with respect to a cylindrical work piece | Performing Operations; Transporting | 31 | Expired |
| US10605944B2 | Formation acoustic property measurement with beam-angled transducer array | Physics | 3 | Active |
| US9617851B2 | In-situ downhole cuttings analysis | Fixed Constructions | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.