Dirk Wexel
10Patents
4h-index
15Co-inventors
53Inventor score
Filing activity: Feb 7, 2003 → Aug 4, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7354669B2 | Operation method and purging system for a hydrogen demand/delivery unit in a fuel cell system | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8313871B2 | Fuel cell heating | Emerging Cross-Sectional Technologies | 7 | Active |
| US7226680B2 | Integrated air cooler, filter, and humidification unit for a fuel cell stack | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7368196B2 | Cold start pre-heater for a fuel cell system | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8835065B2 | Fuel cell startup method for fast freeze startup | Emerging Cross-Sectional Technologies | 2 | Active |
| US7155916B2 | Supply unit cooling | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7217469B2 | Fluid handling device for hydrogen-containing process fluids | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US7718297B2 | Fuel cell system having water-retaining material | Emerging Cross-Sectional Technologies | 1 | Active |
| US7716938B2 | External control of a vehicle coolant pump with remote heating option | Emerging Cross-Sectional Technologies | 0 | Active |
| US9728799B2 | Fuel cell startup method for fast freeze startup | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.