Shield Security Systems, LLC
7Patents
5Active
7Granted
41Portfolio score
Filing activity: May 20, 1991 → Dec 10, 2009 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5375444A | Multi-key core lock assembly | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7861314B2 | Interactive key control system and method of managing access to secured locations | Emerging Cross-Sectional Technologies | 13 | Active |
| US7653945B2 | Interactive key control system and method of managing access to secured locations | Emerging Cross-Sectional Technologies | 8 | Active |
| US7120935B2 | Interactive key control system and method of managing access to secured locations | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7702913B2 | Interactive security control system with real time activity reports | Emerging Cross-Sectional Technologies | 5 | Active |
| US7840010B2 | Interactive security control system with conflict checking | Physics | 1 | Active |
| US7844823B2 | Interactive security control system with conflict checking | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.