Helpful Alliance Company
1Patents
1Active
1Granted
36Portfolio score
Filing activity: Apr 7, 2009 → Apr 7, 2009
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8672643B2 | Method and system for anode gas recirculation in fuel cells | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.