Outinord St. Amand, S.A.
3Patents
0Active
3Granted
22Portfolio score
Filing activity: Jul 24, 1979 → Sep 21, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4261542A | Improvements in retractile tunnel forms for poured concrete | Fixed Constructions | 8 | Expired |
| US4439064A | Tunnel framings | Fixed Constructions | 8 | Expired |
| US6619885B2 | Telescopic tunnel form | Fixed Constructions | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.