Ralf Widmann
3Patents
1h-index
5Co-inventors
37Inventor score
Filing activity: Jan 26, 2000 → Nov 10, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6290456A | Ventilator with brush type blocking device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US8991156B2 | Method and storage container for determining a stored amount of ammonia for catalytic exhaust gas purification | Emerging Cross-Sectional Technologies | 0 | Active |
| US7256583B2 | Device and method for testing the seal tightness of a fuel tank system of a motor vehicle | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.