Brett Fears
17Patents
6h-index
21Co-inventors
62Inventor score
Filing activity: May 7, 2004 → Apr 4, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7673688B1 | Casing wiping dart with filtering layer | Fixed Constructions | 44 | Active |
| US8381808B2 | Cement head | Fixed Constructions | 16 | Active |
| US7322413B2 | Equalizer valve assembly | Fixed Constructions | 13 | Expired |
| US7255162B2 | Methods and apparatus for use in subterranean cementing operations | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US8695715B2 | Cement head | Fixed Constructions | 10 | Active |
| US9194181B2 | Motor and rotor catch assembly | Fixed Constructions | 8 | Active |
| US7866392B2 | Method and apparatus for sealing and cementing a wellbore | Fixed Constructions | 6 | Active |
| US10648290B2 | Sleeve shifting tool | Fixed Constructions | 3 | Active |
| US7549475B2 | Systems for actuating a downhole tool | Fixed Constructions | 3 | Active |
| US11560756B2 | Rotational speed reduction in downhole tool assemblies | Fixed Constructions | 1 | Active |
| US10012033B2 | Connection apparatus for coiled tubing and method of attaching same | Emerging Cross-Sectional Technologies | 1 | Active |
| US9593535B2 | Drill pipe perforator apparatus and method of use | Fixed Constructions | 1 | Active |
| US11434693B2 | Downhole tool assembly advancement through wellbore | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12146378B2 | Downhole plug deployment in a subterranean well | Fixed Constructions | 0 | Active |
| US11332983B2 | Downhole disconnect tool | Fixed Constructions | 0 | Active |
| US11125052B2 | Frac valve | Fixed Constructions | 0 | Active |
| US11753901B2 | Fluid pulse generation in subterranean wells | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.