Frank Opferkuch
4Patents
2h-index
16Co-inventors
37Inventor score
Filing activity: May 6, 2004 → Aug 3, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7797928B2 | Method and apparatus for purifying exhaust gases | Emerging Cross-Sectional Technologies | 10 | Active |
| US8561451B2 | Tubes and method and apparatus for producing tubes | Emerging Cross-Sectional Technologies | 8 | Active |
| US8522862B2 | Vehicle radiator | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8313688B2 | Method for in-line heat exchanger tube brazing | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.