AB Durgo
3Patents
0Active
3Granted
23Portfolio score
Filing activity: Jun 20, 1996 → Mar 6, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5881759A | Air-ventilating valve | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5803112A | Reflux valve means | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5983929A | Air valve | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.