SUNSTONE TECHNOLOGIES, LLC
8Patents
8Active
8Granted
46Portfolio score
Filing activity: Jun 4, 2007 → Sep 8, 2017 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7743823B2 | Force balanced rotating pressure control device | Emerging Cross-Sectional Technologies | 30 | Active |
| US9845645B2 | Tapered spline connection for drill pipe, casing, and tubing | Emerging Cross-Sectional Technologies | 12 | Active |
| US8403059B2 | External jet pump for dual gradient drilling | Fixed Constructions | 10 | Active |
| US9540898B2 | Annular drilling device | Fixed Constructions | 8 | Active |
| US8739861B2 | Electrical wiring for drill pipe, casing, and tubing | Electricity | 8 | Active |
| US10060197B2 | Tapered spline connection for drill pipe, casing, and tubing | Emerging Cross-Sectional Technologies | 3 | Active |
| US10066446B2 | Tapered spline connection for drill pipe, casing, and tubing | Emerging Cross-Sectional Technologies | 3 | Active |
| US10006255B2 | Tapered spline connection for drill pipe, casing, and tubing | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.