Tom Unsgaard
5Patents
3h-index
8Co-inventors
42Inventor score
Filing activity: May 13, 1998 → Oct 26, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6209636A | Wellbore primary barrier and related systems | Fixed Constructions | 59 | Expired |
| US6158512A | Method and apparatus for the removal of sand in an underwater well | Fixed Constructions | 31 | Expired |
| US6119775A | Inflatable downhole seal | Fixed Constructions | 4 | Expired |
| US7900695B2 | Well pump device | Fixed Constructions | 2 | Active |
| US7610963B2 | Method and device for fluid displacement | Fixed Constructions | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.