Friedemann Grupp
2Patents
2h-index
4Co-inventors
30Inventor score
Filing activity: Apr 27, 1998 → Jan 24, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6364072B1 | Sintered material for a magnetic track brake | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6648108B2 | Sintered material for a magnetic track brake | Mechanical Engineering; Lighting; Heating | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.