Alf K. Sevre
10Patents
3h-index
11Co-inventors
49Inventor score
Filing activity: Oct 22, 2008 → Jun 2, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7784532B2 | Shunt tube flowpaths extending through swellable packers | Fixed Constructions | 27 | Active |
| US7841417B2 | Use of swellable material in an annular seal element to prevent leakage in a subterranean well | Fixed Constructions | 11 | Active |
| US8127859B2 | Use of swellable material in an annular seal element to prevent leakage in a subterranean well | Fixed Constructions | 8 | Active |
| US8459366B2 | Temperature dependent swelling of a swellable material | Fixed Constructions | 3 | Active |
| US9074464B2 | Verification of swelling in a well | Fixed Constructions | 2 | Active |
| US9938817B2 | Verification of swelling in a well | Fixed Constructions | 1 | Active |
| US8607883B2 | Swellable packer having thermal compensation | Fixed Constructions | 1 | Active |
| US8833443B2 | Retrievable swellable packer | Fixed Constructions | 0 | Active |
| US8960270B2 | Shunt tube flowpaths extending through swellable packers | Fixed Constructions | 0 | Active |
| US9540901B2 | Retrievable swellable packer | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.