O.J. Pipelines Canada
2Patents
0Active
2Granted
22Portfolio score
Filing activity: Sep 24, 2001 → Sep 29, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6953909B2 | External pipe welding apparatus | Performing Operations; Transporting | 9 | Expired |
| US6657161B2 | External pipe welding apparatus | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.