Charles E. Gibbs
8Patents
3h-index
7Co-inventors
50Inventor score
Filing activity: Aug 20, 1984 → Feb 1, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8944403B2 | Blowout preventer with pressure-isolated operating piston assembly | Emerging Cross-Sectional Technologies | 11 | Active |
| US5335729A | Tubular connection, method for making same, and tool therefor | Fixed Constructions | 8 | Expired |
| US4580630A | Mudline casing hanger assembly | Fixed Constructions | 3 | Expired |
| US8857784B2 | Linear clutch for blowout preventer | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9068427B2 | Asymmetrical button for ram-type blowout preventers | Emerging Cross-Sectional Technologies | 2 | Active |
| US10767437B2 | Blowout preventer bonnet retention methods and systems | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9803447B2 | Asymmetrical button for ram-type blowout preventers | Emerging Cross-Sectional Technologies | 1 | Active |
| US9759032B2 | Blowout preventer end connection | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.