Earth Support Systems
2Patents
1Active
2Granted
34Portfolio score
Filing activity: Aug 30, 1993 → Jun 27, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5385504A | Permanent ventilation seal | Fixed Constructions | 14 | Expired |
| US7481921B2 | Inlet filter for storm drain | Emerging Cross-Sectional Technologies | 13 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.