Stellarton Technologies Inc.
5Patents
3Active
5Granted
36Portfolio score
Filing activity: Sep 23, 2005 → May 5, 2009 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7188670B2 | Plunger lift system | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US8056621B2 | Master ball valve with integrated hanger | Fixed Constructions | 14 | Active |
| US7347273B2 | Bottom hold completion system for an intermittent plunger | Fixed Constructions | 4 | Expired |
| US8387710B2 | Downhole fluid recirculation valve and method for recirculating fluid in a well | Emerging Cross-Sectional Technologies | 2 | Active |
| US8347954B2 | Plunger lift system with seal and ball detent arrangement | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.