Firefly Energy, Inc.
5Patents
2Active
5Granted
35Portfolio score
Filing activity: Dec 20, 2002 → Feb 24, 2009 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6979513B2 | Battery including carbon foam current collectors | Emerging Cross-Sectional Technologies | 46 | Expired |
| US7033703B2 | Composite material and current collector for battery | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7105252B2 | Carbon coated battery electrodes | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8399134B2 | Lead acid battery including a two-layer carbon foam current collector | Emerging Cross-Sectional Technologies | 5 | Active |
| US8617747B2 | Electrode plate for a battery | Emerging Cross-Sectional Technologies | 4 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.