E2Tech Limited
7Patents
1Active
7Granted
30Portfolio score
Filing activity: Dec 21, 2001 → Jun 11, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7243722B2 | Expander device | Fixed Constructions | 44 | Expired |
| US7228915B2 | Device and method to seal boreholes | Emerging Cross-Sectional Technologies | 35 | Expired |
| US7178601B2 | Methods of and apparatus for casing a borehole | Fixed Constructions | 19 | Expired |
| US7073583B2 | Method and apparatus for expanding tubing downhole | Fixed Constructions | 15 | Expired |
| US7578354B2 | Device and method to seal boreholes | Emerging Cross-Sectional Technologies | 7 | Active |
| US7275600B2 | Apparatus and method for expanding tubular members | Fixed Constructions | 1 | Expired |
| US7228911B2 | Apparatus for and method of radial expansion of a tubular member | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.