Robert Dugal
6Patents
2h-index
16Co-inventors
44Inventor score
Filing activity: Jul 29, 2005 → Jan 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7503397B2 | Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly | Fixed Constructions | 37 | Expired |
| US10270603B2 | Processing certificate validation warnings | Electricity | 2 | Active |
| US10329854B2 | Tubular transfer system and method | Fixed Constructions | 2 | Active |
| US10570679B2 | Elevator with securing apparatus and method of moving tubulars | Fixed Constructions | 1 | Active |
| US8919841B2 | Method and apparatus for attachment of a secondary tool handling device to a primary tool handling device | Fixed Constructions | 1 | Active |
| US10927616B2 | Elevator with securing apparatus and method of moving tubulars | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.